/* ==========================================================================
   Sevicos main stylesheet
   Methodology: BEM (block__element--modifier). No frameworks, no build step.

   1.  Design tokens
   2.  Base & reset
   3.  Layout utilities (container, section, eyebrow, skip link)
   4.  Buttons & links
   5.  Site header & navigation
   6.  Site footer
   7.  Homepage hero & chapters
   8.  Section heading
   10. Forms
   11. Page hero (inner pages)
   12. Cards, features, projects, CTA band, split
   13. Prose, steps, 404
   14. Stacks, rows, FAQ, business details
   15. Shopify plan calculator
   16. Blog
   17. Motion & reduced motion
   ========================================================================== */

/* ==========================================================================
   1. Design tokens
   ========================================================================== */
:root {
    /* Colour: warm paper surfaces, near-black ink and an electric blue accent */
    --color-bg: #F3F2EE;
    --color-surface: #FFFFFF;
    --color-ink: #111216;
    --color-text: #45474F;
    --color-muted: #6E7079;
    --color-primary: #2440F0;
    --color-primary-hover: #1A30C4;
    --color-accent-soft: #E9ECFD;
    --color-border: #DCDBD5;
    --color-border-strong: #C5C4BD;
    --color-selected: #ECEFFE;
    --color-error: #B42318;
    --color-error-bg: #FEF3F2;
    --color-dark: #16171B;
    --color-dark-raised: #202127;
    --color-on-dark: #ECEDF1;
    --color-on-dark-muted: #9EA1AC;
    --color-primary-on-dark: #8C9DFF;

    /* Type */
    --font-heading: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --fs-display: clamp(3rem, 1.6rem + 6vw, 6.5rem);       /* 48 -> 104px */
    --fs-hero: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);         /* 40 -> 72px */
    --fs-h1: clamp(2.375rem, 1.5rem + 3.4vw, 4rem);         /* 38 -> 64px */
    --fs-h2: clamp(2rem, 1.35rem + 2.5vw, 3.25rem);         /* 32 -> 52px */
    --fs-h3: 1.125rem;
    --fs-lead: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);   /* 17 -> 19px */

    /* Shape & depth */
    --radius-sm: 3px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(17, 18, 22, 0.05);
    --shadow-md: 0 18px 40px -24px rgba(17, 18, 22, 0.28);

    /* Layout */
    --container: 90rem; /* 1440px */
    --measure: 66ch;
    --gutter: clamp(1rem, 0.5rem + 2vw, 2rem);
    --space-section: clamp(2.5rem, 1.75rem + 3.2vw, 5.5rem);
    --header-h: 4.25rem;

    color-scheme: light;
}

/* ==========================================================================
   2. Base & reset
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

main {
    flex: 1 0 auto;
}

main:focus {
    outline: none;
}

[id] {
    scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

h1,
h2,
h3,
h4 {
    margin: 0;
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
}

h3,
h4 {
    font-weight: 600;
}

p {
    margin: 0;
}

img,
svg {
    display: block;
    max-width: 100%;
}

img {
    height: auto;
}

ul,
ol {
    margin: 0;
    padding: 0;
}

a {
    color: var(--color-primary);
    text-underline-offset: 0.2em;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

/* Visible keyboard focus everywhere */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

.on-dark :focus-visible,
.site-footer :focus-visible {
    outline-color: var(--color-primary-on-dark);
}

::selection {
    background: var(--color-selected);
    color: var(--color-ink);
}

/* ==========================================================================
   3. Layout utilities
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.container--narrow {
    max-width: 52rem;
}

.section {
    padding-block: var(--space-section);
}

.section--first {
    padding-top: clamp(2rem, 1rem + 3vw, 4rem);
}

.section--flush-top {
    padding-top: 0;
}

.section--tight {
    padding-bottom: clamp(2rem, 1rem + 3vw, 3.5rem);
}

.section--panel {
    background: var(--color-surface);
    border-block: 1px solid var(--color-border);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 100;
    padding: 0.7rem 1.1rem;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transform: translateY(-200%);
}

.skip-link:focus {
    transform: none;
    outline: 2px solid var(--color-ink);
    outline-offset: 2px;
}

.eyebrow {
    margin: 0 0 1.25rem;
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow__num {
    color: var(--color-primary);
}

.on-dark .eyebrow__num,
.section--dark .eyebrow__num {
    color: var(--color-primary-on-dark);
}

.section--blue .eyebrow__num {
    color: #fff;
}

.eyebrow--blue {
    color: var(--color-primary);
}

.eyebrow--light {
    color: var(--color-on-dark-muted);
}

.section--blue .eyebrow--light {
    color: rgba(255, 255, 255, 0.78);
}

/* ==========================================================================
   4. Buttons & links
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 2.875rem;
    padding: 0.75rem 1.375rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn__icon {
    flex: none;
    transition: transform 0.2s ease;
}

.btn:hover .btn__icon--arrow-up-right {
    transform: translate(2px, -2px);
}

.btn:hover .btn__icon--arrow-right {
    transform: translateX(3px);
}

.btn--primary {
    background: var(--color-ink);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-primary);
}

.btn--accent {
    background: var(--color-primary);
    color: #fff;
}

.btn--accent:hover {
    background: var(--color-primary-hover);
}

.btn--outline-light {
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
}

.btn--outline-light:hover {
    background: #fff;
    border-color: #fff;
    color: var(--color-ink);
}

.btn--secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-ink);
}

.btn--secondary:hover {
    border-color: var(--color-border-strong);
}

.btn--sm {
    min-height: 2.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--block {
    width: 100%;
}

.btn[aria-busy="true"] {
    opacity: 0.75;
    cursor: progress;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.link-arrow__icon {
    flex: none;
    transition: transform 0.2s ease;
}

.link-arrow:hover {
    color: var(--color-primary-hover);
}

.link-arrow:hover .link-arrow__icon {
    transform: translateX(3px);
}

.link-arrow--ink {
    color: var(--color-ink);
}

.link-arrow--ink:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   5. Site header & navigation
   Desktop: logo left, links centred, CTA right. The bar tucks away while
   scrolling down, slides back on scroll up and settles into a floating pill.
   Mobile: full-screen menu with large staggered links.
   ========================================================================== */
.site-header {
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    position: sticky;
    top: 0;
    z-index: 50;
    padding-top: 0;
    transition: transform 0.45s var(--ease-out), padding 0.45s var(--ease-out);
}

.site-header.is-hidden {
    transform: translateY(calc(-100% - 2.5rem));
}

.site-header__inner {
    padding-inline: var(--gutter);
    transition: padding 0.45s var(--ease-out);
}

.site-header__bar {
    position: relative;
    z-index: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: var(--header-h);
    padding-inline: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 0;
    transition:
        min-height 0.45s var(--ease-out),
        padding 0.45s var(--ease-out),
        border-radius 0.45s var(--ease-out),
        border-color 0.3s ease,
        background-color 0.3s ease,
        box-shadow 0.45s var(--ease-out);
}

/* The blur lives on a pseudo-element: backdrop-filter on the bar itself would
   trap the fixed-position mobile menu inside it. */
.site-header__bar::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
}

@supports (backdrop-filter: blur(8px)) {
    .site-header__bar::before {
        -webkit-backdrop-filter: saturate(1.4) blur(14px);
        backdrop-filter: saturate(1.4) blur(14px);
    }
}

/* Floating pill once the page has scrolled */
.site-header.is-scrolled {
    padding-top: 0.75rem;
}

.site-header.is-scrolled .site-header__bar {
    min-height: 3.5rem;
    padding-inline: 0.75rem 0.5rem;
    background-color: rgba(255, 255, 255, 0.86);
    border-color: var(--color-border);
    border-radius: 999px;
    box-shadow: 0 14px 34px -22px rgba(17, 18, 22, 0.35);
}

.site-header.is-scrolled .site-header__brand {
    padding-left: 0.5rem;
}

.site-header__brand {
    position: relative;
    z-index: 2;
    display: inline-flex;
    flex: none;
    align-items: center;
    border-radius: 4px;
    transition: padding 0.45s var(--ease-out);
}

.site-header__logo {
    width: auto;
    height: 2rem;
    transition: height 0.45s var(--ease-out);
}

.site-header.is-scrolled .site-header__logo {
    height: 1.75rem;
}

.site-header__cta {
    flex: none;
}

.site-header.is-scrolled .site-header__cta {
    border-radius: 999px;
}

/* Hamburger: two bars that fold into a cross */
.site-header__toggle {
    position: relative;
    z-index: 2;
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-ink);
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-header__burger {
    position: relative;
    display: block;
    width: 1.125rem;
    height: 0.625rem;
}

.site-header__burger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.4s var(--ease-out), top 0.4s var(--ease-out);
}

.site-header__burger span:first-child {
    top: 0;
}

.site-header__burger span:last-child {
    top: calc(100% - 2px);
}

.site-header__toggle[aria-expanded="true"] .site-header__burger span:first-child {
    top: calc(50% - 1px);
    transform: rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__burger span:last-child {
    top: calc(50% - 1px);
    transform: rotate(-45deg);
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.9rem;
    color: var(--color-ink);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 999px;
    transition: color 0.2s ease, background-color 0.25s ease;
}

.site-nav__link:hover {
    background: rgba(36, 64, 240, 0.07);
    color: var(--color-ink);
}

.site-nav__link[aria-current] {
    background: var(--color-selected);
    color: var(--color-primary);
}

.site-nav__arrow,
.site-nav__footer {
    display: none;
}

@media (min-width: 62em) {
    .site-nav__link {
        white-space: nowrap;
    }
}

/* Five links plus the CTA: tighten link padding until there is room */
@media (min-width: 62em) and (max-width: 74.99em) {
    .site-nav__list {
        gap: 0;
    }

    .site-nav__link {
        padding-inline: 0.65rem;
    }
}

@media (min-width: 62em) {
    /* Links sit in the true centre of the bar */
    .site-nav {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 61.99em) {
    .site-header__toggle {
        display: inline-flex;
    }

    .site-header__cta {
        display: none;
    }

    .site-header__logo {
        height: 1.75rem;
    }

    .site-header.is-scrolled .site-header__logo {
        height: 1.5rem;
    }

    .site-header.is-scrolled .site-header__bar {
        padding-inline: 0.5rem 0.375rem;
    }

    .site-header.is-scrolled .site-header__toggle {
        width: 2.5rem;
        height: 2.5rem;
    }

    /* Full-screen menu panel */
    .site-nav {
        position: fixed;
        inset: 0;
        z-index: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 2rem;
        height: 100vh;
        height: 100dvh;
        padding: calc(var(--header-h) + 1.5rem) var(--gutter) max(1.5rem, env(safe-area-inset-bottom));
        overflow-y: auto;
        background: var(--color-bg);
        visibility: hidden;
        opacity: 0;
        clip-path: inset(0 0 100% 0);
        transition:
            clip-path 0.55s var(--ease-out),
            opacity 0.3s ease,
            visibility 0s linear 0.55s;
    }

    .site-nav.is-open {
        visibility: visible;
        opacity: 1;
        clip-path: inset(0 0 0 0);
        transition:
            clip-path 0.55s var(--ease-out),
            opacity 0.2s ease,
            visibility 0s;
    }

    /* While the menu is open the bar is flat and part of the panel */
    .nav-open .site-header {
        transform: none;
    }

    .nav-open .site-header__bar {
        background-color: transparent;
        box-shadow: none;
    }

    .nav-open .site-header__bar::before {
        display: none;
    }

    .nav-open .site-header.is-scrolled .site-header__bar {
        border-color: transparent;
    }

    .nav-open {
        overflow: hidden;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .site-nav__item {
        border-bottom: 1px solid var(--color-border);
        opacity: 0;
        transform: translateY(1.25rem);
        transition: opacity 0.3s ease, transform 0.3s var(--ease-out);
    }

    .site-nav.is-open .site-nav__item {
        opacity: 1;
        transform: none;
        transition: opacity 0.5s ease, transform 0.6s var(--ease-out);
    }

    .site-nav.is-open .site-nav__item:nth-child(1) { transition-delay: 0.12s; }
    .site-nav.is-open .site-nav__item:nth-child(2) { transition-delay: 0.17s; }
    .site-nav.is-open .site-nav__item:nth-child(3) { transition-delay: 0.22s; }
    .site-nav.is-open .site-nav__item:nth-child(4) { transition-delay: 0.27s; }
    .site-nav.is-open .site-nav__item:nth-child(5) { transition-delay: 0.32s; }
    .site-nav.is-open .site-nav__item:nth-child(6) { transition-delay: 0.37s; }

    .site-nav__link {
        display: flex;
        justify-content: space-between;
        gap: 1rem;
        padding: 1.1rem 0;
        color: var(--color-ink);
        font-family: var(--font-heading);
        font-size: clamp(1.75rem, 1.2rem + 2.6vw, 2.5rem);
        font-weight: 700;
        line-height: 1.1;
        letter-spacing: -0.03em;
        border-radius: 0;
    }

    .site-nav__link:hover,
    .site-nav__link[aria-current] {
        background: transparent;
        color: var(--color-primary);
    }

    .site-nav__arrow {
        display: block;
        flex: none;
        color: var(--color-muted);
        transition: transform 0.3s var(--ease-out), color 0.2s ease;
    }

    .site-nav__link:hover .site-nav__arrow,
    .site-nav__link[aria-current] .site-nav__arrow {
        color: var(--color-primary);
        transform: translateX(4px);
    }

    .site-nav__footer {
        display: grid;
        gap: 1rem;
        opacity: 0;
        transform: translateY(1rem);
        transition: opacity 0.3s ease, transform 0.3s var(--ease-out);
    }

    .site-nav.is-open .site-nav__footer {
        opacity: 1;
        transform: none;
        transition: opacity 0.5s ease 0.38s, transform 0.6s var(--ease-out) 0.38s;
    }

    .site-nav__cta {
        width: 100%;
        min-height: 3.25rem;
        border-radius: 999px;
    }

    .site-nav__meta {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.35rem;
        color: var(--color-muted);
        font-size: 0.875rem;
    }

    .site-nav__email {
        color: var(--color-primary);
        font-weight: 500;
        text-decoration: none;
    }

    /* Without JavaScript the menu is simply shown under the logo */
    .no-js .site-header {
        position: static;
    }

    .no-js .site-header__bar {
        flex-wrap: wrap;
        padding-block: 0.75rem;
    }

    .no-js .site-header__toggle {
        display: none;
    }

    .no-js .site-nav {
        position: static;
        flex: 1 1 100%;
        height: auto;
        padding: 0;
        overflow: visible;
        background: transparent;
        visibility: visible;
        opacity: 1;
        clip-path: none;
    }

    .no-js .site-nav__item,
    .no-js .site-nav__footer {
        opacity: 1;
        transform: none;
    }

    .no-js .site-nav__link {
        font-size: 1.125rem;
    }
}

/* ==========================================================================
   6. Site footer
   ========================================================================== */
.site-footer {
    background: var(--color-dark);
    color: var(--color-on-dark-muted);
    padding-block: clamp(2.75rem, 2rem + 3vw, 4.5rem) 1.5rem;
    font-size: 0.9375rem;
    --color-border: rgba(255, 255, 255, 0.12);
}

.site-footer__top {
    display: grid;
    gap: 2.5rem;
}

.site-footer__brand {
    max-width: 24rem;
}

.site-footer__logo-link {
    display: inline-block;
    border-radius: 4px;
}

.site-footer__logo {
    width: auto;
    height: 2rem;
    filter: brightness(0) invert(1);
}

.site-footer__about {
    margin-top: 1rem;
    font-size: 0.8125rem;
    line-height: 1.65;
}

.site-footer__contact {
    margin-top: 0.9rem;
}

.site-footer__email {
    color: var(--color-on-dark);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.site-footer__email:hover {
    border-bottom-color: currentColor;
}

.site-footer__nav {
    display: grid;
    border-block: 1px solid var(--color-border);
}

.site-footer__col + .site-footer__col {
    border-top: 1px solid var(--color-border);
}

.site-footer__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 1rem;
    color: var(--color-on-dark-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    list-style: none;
}

.site-footer__heading::-webkit-details-marker {
    display: none;
}

.site-footer__heading::marker {
    content: "";
}

.site-footer__chevron {
    flex: none;
    color: var(--color-on-dark-muted);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-footer__col[open] .site-footer__chevron {
    transform: rotate(180deg);
}

.site-footer__list {
    display: grid;
    gap: 0.25rem;
    margin: 0;
    padding: 0 0 1rem;
    list-style: none;
}

.site-footer__list a {
    display: block;
    padding-block: 0.4rem;
}

.site-footer__link {
    color: var(--color-on-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer__link:hover {
    color: #fff;
    text-decoration: underline;
}

.site-footer__bottom {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.4rem 1.5rem;
    margin-top: clamp(2rem, 1.5rem + 2vw, 3rem);
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-on-dark-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

@media (max-width: 39.99em) {
    .site-footer__bottom {
        margin-top: 1.5rem;
        padding-top: 0;
        border-top: 0;
    }
}

.site-footer__sep {
    margin-inline: 0.4rem;
}

.site-footer__business {
    color: var(--color-on-dark-muted);
}

@media (min-width: 40em) {
    .site-footer__nav {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 2rem;
        border-top: 0;
    }

    .site-footer__nav {
        border-bottom: 0;
    }

    .site-footer__col + .site-footer__col {
        border-top: 0;
    }

    .site-footer__heading {
        padding-block: 0 0.75rem;
        cursor: default;
    }

    .site-footer__chevron {
        display: none;
    }

    .site-footer__list {
        padding-bottom: 0;
    }

    .site-footer__list a {
        display: inline-block;
        padding-block: 0.15rem;
    }
}

@media (min-width: 62em) {
    .site-footer__top {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: start;
        gap: 4rem;
    }

    .site-footer__nav {
        grid-template-columns: repeat(3, minmax(10rem, 1fr));
        gap: 2.5rem;
    }

    .site-footer__bottom {
        flex-direction: row;
    }
}

/* ==========================================================================
   7. Homepage hero & chapters
   ========================================================================== */
.home-hero {
    position: relative;
    overflow: hidden;
    padding-top: clamp(1.5rem, 0.5rem + 3vw, 3rem);
}

/* The hero fills the first screen; the tags and "Scroll to explore" sit at its bottom. */
.home-hero > .container {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--header-h) - clamp(1.5rem, 0.5rem + 3vw, 3rem));
    min-height: calc(100svh - var(--header-h) - clamp(1.5rem, 0.5rem + 3vw, 3rem));
}

.home-hero__inner {
    display: grid;
    flex: 1;
    gap: 1rem 2rem;
    align-items: center;
}

.home-hero__title {
    margin-bottom: 1.5rem;
    font-size: var(--fs-display);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.home-hero__line {
    display: block;
}

.home-hero__line--accent {
    color: var(--color-primary);
}

.home-hero__lead {
    max-width: 27rem;
    margin-bottom: 2rem;
    font-size: var(--fs-lead);
    line-height: 1.5;
}

.home-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 2rem;
}

.home-hero__visual {
    position: relative;
    display: grid;
    place-items: center;
}

.home-hero__ribbon {
    width: min(100%, 30rem, 62svh);
    height: auto;
    animation: ribbon-in 1.1s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) both;
}

@keyframes ribbon-in {
    from {
        opacity: 0;
        transform: translateY(1.5rem) rotate(6deg) scale(0.96);
    }
}

.home-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 1rem;
    margin-top: clamp(1.5rem, 0.5rem + 2vw, 2.5rem);
    padding-block: 1rem;
    border-top: 1px solid var(--color-border-strong);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.home-hero__tags {
    color: var(--color-muted);
}

.home-hero__tags span {
    margin-inline: 0.4rem;
}

.home-hero__scroll {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    letter-spacing: 0;
    text-decoration: none;
    text-transform: none;
}

.home-hero__scroll:hover {
    color: var(--color-primary);
}

.home-hero__scroll .icon {
    animation: nudge 2.4s ease-in-out infinite;
}

@keyframes nudge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(3px); }
}

@media (max-width: 47.99em) {
    .home-hero__visual {
        order: -1;
        justify-items: end;
        margin-bottom: -2rem;
    }

    .home-hero__ribbon {
        width: 13rem;
        margin-right: -1rem;
    }
}

@media (min-width: 48em) {
    .home-hero__inner {
        grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    }
}

@media (min-width: 62em) {
    .home-hero__inner {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    }

    .home-hero__ribbon {
        margin-block: -2rem -1rem;
    }
}

/* Chapters: numbered sections with a split heading and body */
.section--dark {
    background: var(--color-dark);
    color: var(--color-on-dark-muted);
}

.section--dark h2,
.section--dark h3 {
    color: #fff;
}

.section--blue {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.85);
}

.section--blue h2,
.section--blue h3 {
    color: #fff;
}

/* Light sections that follow each other are separated by a fine rule */
main > .section:not(.section--dark):not(.section--blue) + .section:not(.section--dark):not(.section--blue) {
    border-top: 1px solid var(--color-border);
}

.chapter__split {
    display: grid;
    gap: 2rem 4rem;
    align-items: start;
}

.chapter__title {
    max-width: 13em;
    font-size: var(--fs-h2);
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.chapter__lead {
    max-width: 28rem;
    margin-top: 1.25rem;
    font-size: var(--fs-lead);
    line-height: 1.5;
}

.chapter__actions {
    margin-top: 2rem;
}

.chapter__aside {
    max-width: 24rem;
    font-size: var(--fs-lead);
    line-height: 1.5;
}

.chapter__aside .link-arrow {
    margin-top: 1rem;
    font-size: 1rem;
}

.chapter__logo {
    width: auto;
    height: 2.25rem;
    margin-bottom: 1rem;
}

.figure-caption {
    margin-top: 0.75rem;
    color: var(--color-muted);
    font-size: 0.75rem;
}

.section--dark .figure-caption {
    color: var(--color-on-dark-muted);
}

@media (min-width: 62em) {
    .chapter__split {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .chapter__split--media {
        grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
        align-items: center;
    }

    .chapter__split--head {
        align-items: end;
    }

    .chapter__aside {
        justify-self: end;
    }
}

/* Numbered index list (what we build) */
.index-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.index-list__item + .index-list__item {
    border-top: 1px solid var(--color-border);
}

.index-list__link {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding-block: 1.1rem;
    color: inherit;
    text-decoration: none;
}

.index-list__item:first-child .index-list__link {
    padding-top: 0;
}

.index-list__num {
    align-self: start;
    padding-top: 0.25rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
}

.index-list__title {
    display: block;
    color: var(--color-ink);
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: color 0.2s ease;
}

.index-list__text {
    display: block;
    margin-top: 0.15rem;
    color: var(--color-muted);
    font-size: 0.875rem;
}

.index-list__arrow {
    color: var(--color-ink);
    transition: transform 0.25s ease, color 0.2s ease;
}

.index-list__link:hover .index-list__title,
.index-list__link:hover .index-list__arrow {
    color: var(--color-primary);
}

.index-list__link:hover .index-list__arrow {
    transform: translateX(4px);
}

/* Storefront concept (Shopify chapter) */
.storefront {
    position: relative;
    margin: 0;
    padding-right: clamp(2.5rem, 1rem + 6vw, 5rem);
}

.storefront__browser {
    overflow: hidden;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
    color: var(--color-ink);
}

.storefront__chrome {
    display: flex;
    gap: 0.3rem;
    padding: 0.55rem 0.75rem;
    background: #EEEDE9;
}

.storefront__chrome span {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: #FF5F57;
}

.storefront__chrome span:nth-child(2) { background: #FEBC2E; }
.storefront__chrome span:nth-child(3) { background: #28C840; }

.storefront__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 1rem;
    font-size: 0.5625rem;
}

.storefront__nav strong {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
}

.storefront__links,
.storefront__icons {
    display: flex;
    gap: 1rem;
}

.storefront__icons {
    gap: 0.6rem;
}

.storefront__stage {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    min-height: clamp(12rem, 8rem + 12vw, 17rem);
    padding: 1rem 1.25rem;
    background: linear-gradient(115deg, #EAE6DF 0%, #DCD6CC 55%, #CFC8BC 100%);
}

.storefront__headline {
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 0.8rem + 1.6vw, 2rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
}

.storefront__sub {
    margin-top: 0.5rem;
    font-size: 0.5625rem;
}

.storefront__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.9rem;
    padding: 0.4rem 0.7rem;
    background: var(--color-ink);
    border-radius: 2px;
    color: #fff;
    font-size: 0.5625rem;
}

.storefront__product {
    position: relative;
    height: 100%;
    min-height: 10rem;
}

.storefront__plinth {
    position: absolute;
    right: 8%;
    bottom: 4%;
    width: 70%;
    height: 32%;
    background: linear-gradient(180deg, #CBC4B8, #B3AB9E);
    border-radius: 4px 4px 2px 2px;
    box-shadow: inset 0 6px 0 rgba(255, 255, 255, 0.35);
}

/* Sneakers: simple drawn silhouettes, no photography */
.sneaker {
    position: absolute;
    width: 78%;
    height: auto;
    filter: drop-shadow(0 10px 8px rgba(0, 0, 0, 0.18));
}

.sneaker--dark {
    right: 20%;
    bottom: 36%;
    transform: rotate(-7deg);
}

.sneaker--light {
    right: 0;
    bottom: 10%;
    transform: rotate(3deg);
}

.sneaker--sm {
    top: 50%;
    left: 50%;
    width: 88%;
    transform: translate(-50%, -50%) rotate(-6deg);
}

.storefront__phone {
    position: absolute;
    right: 0;
    bottom: 1.25rem;
    width: clamp(6.5rem, 4rem + 7vw, 9.5rem);
    padding: 0.5rem;
    background: #fff;
    border: 3px solid #0D0E11;
    border-radius: 1rem;
    box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.7);
    color: var(--color-ink);
    font-size: 0.5rem;
}

.storefront__phone-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

.storefront__phone-bar strong {
    font-size: 0.5625rem;
    letter-spacing: 0.04em;
}

.storefront__phone-shot {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(160deg, #EFECE6, #D9D3C9);
    border-radius: 4px;
}

.storefront__phone-name {
    margin-top: 0.4rem;
    font-weight: 500;
}

.storefront__swatches {
    display: flex;
    gap: 0.2rem;
    margin-block: 0.3rem 0.4rem;
}

.storefront__swatches span {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #C9B9A1;
}

.storefront__swatches span:nth-child(2) { background: #16171B; }
.storefront__swatches span:nth-child(3) { background: #E8E4DC; border: 1px solid #ccc; }
.storefront__swatches span:nth-child(4) { background: #A7A9AF; }

.storefront__phone-btn {
    display: block;
    padding: 0.3rem;
    background: var(--color-ink);
    border-radius: 2px;
    color: #fff;
    text-align: center;
}

@media (max-width: 39.99em) {
    .storefront__links {
        display: none;
    }
}

/* vStoreOS dashboard preview */
.dash {
    margin: clamp(2rem, 1.5rem + 2vw, 3rem) 0 0;
}

.dash__app {
    display: grid;
    grid-template-columns: 9.5rem minmax(0, 1fr);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    color: var(--color-ink);
    font-size: 0.6875rem;
}

.dash__side {
    display: grid;
    align-content: start;
    gap: 0.2rem;
    padding: 0.9rem 0.6rem;
    background: var(--color-dark);
    color: var(--color-on-dark);
}

.dash__brand {
    display: block;
    margin-bottom: 0.9rem;
    padding: 0.35rem 0.5rem;
    background: #fff;
    border-radius: 6px;
}

.dash__brand img {
    width: 100%;
    height: auto;
}

.dash__nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.55rem;
    border-radius: 4px;
    color: var(--color-on-dark-muted);
}

.dash__nav.is-active {
    background: var(--color-dark-raised);
    color: #fff;
}

.dash__main {
    min-width: 0;
    padding: 1rem 1.1rem 1.1rem;
    background: #FAFAF8;
}

.dash__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.9rem;
}

.dash__top strong {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    letter-spacing: -0.02em;
}

.dash__pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.5625rem;
}

.dash__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
}

.dash__stat,
.dash__card {
    position: relative;
    padding: 0.7rem 0.8rem;
    background: #fff;
    border: 1px solid #ECEBE6;
    border-radius: 6px;
}

.dash__stat span {
    display: block;
    color: var(--color-muted);
    font-size: 0.5625rem;
}

.dash__stat strong {
    display: block;
    margin-top: 0.2rem;
    font-size: clamp(0.875rem, 0.7rem + 0.5vw, 1.125rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Small three-bar glyph on each stat */
.dash__stat i {
    position: absolute;
    right: 0.8rem;
    bottom: 0.8rem;
    width: 1.4rem;
    height: 1.3rem;
    background:
        linear-gradient(var(--color-primary), var(--color-primary)) 0 100% / 26% 45% no-repeat,
        linear-gradient(var(--color-primary), var(--color-primary)) 50% 100% / 26% 70% no-repeat,
        linear-gradient(var(--color-primary), var(--color-primary)) 100% 100% / 26% 100% no-repeat;
}

.dash__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.15fr) minmax(0, 0.95fr);
    gap: 0.6rem;
    margin-top: 0.6rem;
}

.dash__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.dash__label span {
    color: var(--color-muted);
    font-weight: 400;
}

.dash__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.5625rem;
}

.dash__table th {
    padding: 0.3rem 0.35rem;
    background: #F3F2EE;
    font-weight: 500;
    text-align: left;
}

.dash__table td {
    padding: 0.35rem;
    border-bottom: 1px solid #F0EFEA;
    white-space: nowrap;
}

.dash__thumb {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-right: 0.4rem;
    vertical-align: middle;
    background: linear-gradient(160deg, #EFE9DF, #D6CDBE);
    border-radius: 3px;
}

.dash__status::before {
    content: "";
    display: inline-block;
    width: 0.35rem;
    height: 0.35rem;
    margin-right: 0.3rem;
    border-radius: 50%;
    background: #22A06B;
}

.dash__status.is-low::before {
    background: #E5484D;
}

.dash__bars {
    display: flex;
    align-items: flex-end;
    gap: 6%;
    height: 6.5rem;
    padding-inline: 0.2rem;
}

.dash__bars i {
    flex: 1;
    height: 50%;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
    transform-origin: bottom;
    animation: bar-grow 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.dash__bars i:nth-child(1)  { height: 52%; animation-delay: 0.05s; }
.dash__bars i:nth-child(2)  { height: 30%; animation-delay: 0.1s; }
.dash__bars i:nth-child(3)  { height: 60%; animation-delay: 0.15s; }
.dash__bars i:nth-child(4)  { height: 36%; animation-delay: 0.2s; }
.dash__bars i:nth-child(5)  { height: 72%; animation-delay: 0.25s; }
.dash__bars i:nth-child(6)  { height: 46%; animation-delay: 0.3s; }
.dash__bars i:nth-child(7)  { height: 88%; animation-delay: 0.35s; }
.dash__bars i:nth-child(8)  { height: 40%; animation-delay: 0.4s; }
.dash__bars i:nth-child(9)  { height: 64%; animation-delay: 0.45s; }
.dash__bars i:nth-child(10) { height: 34%; animation-delay: 0.5s; }
.dash__bars i:nth-child(11) { height: 96%; animation-delay: 0.55s; }
.dash__bars i:nth-child(12) { height: 56%; animation-delay: 0.6s; }

@keyframes bar-grow {
    from { transform: scaleY(0); }
}

.dash__months {
    display: flex;
    justify-content: space-between;
    margin-top: 0.35rem;
    color: var(--color-muted);
    font-size: 0.5rem;
}

.dash__paid {
    padding: 0.1rem 0.4rem;
    background: #E3F5EC;
    border-radius: 999px;
    color: #1A7F52 !important;
    font-size: 0.5rem;
}

.dash__inv {
    margin-bottom: 0.6rem;
    font-weight: 600;
}

.dash__row {
    display: flex;
    justify-content: space-between;
    padding-block: 0.15rem;
    color: var(--color-muted);
    font-size: 0.5625rem;
}

.dash__row--total {
    margin-top: 0.5rem;
    color: var(--color-ink);
    font-size: 0.6875rem;
    font-weight: 600;
}

.dash__btn {
    display: block;
    margin-top: 0.6rem;
    padding: 0.35rem;
    background: var(--color-ink);
    border-radius: 3px;
    color: #fff;
    font-size: 0.5625rem;
    text-align: center;
}

@media (max-width: 61.99em) {
    .dash__grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .dash__card--table {
        grid-column: 1 / -1;
    }
}

@media (max-width: 47.99em) {
    .dash__app {
        grid-template-columns: minmax(0, 1fr);
    }

    .dash__side {
        grid-auto-flow: column;
        grid-auto-columns: max-content;
        align-items: center;
        overflow: hidden;
        padding: 0.6rem;
    }

    .dash__brand {
        width: 5.5rem;
        margin: 0 0.4rem 0 0;
        padding: 0.25rem 0.4rem;
    }

    .dash__nav:not(.is-active):nth-child(n+4) {
        display: none;
    }

    .dash__main {
        padding: 0.8rem;
    }

    .dash__stat i {
        display: none;
    }

    .dash__grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Three plain labels under the vStoreOS concept */
.feature-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: clamp(1.5rem, 1rem + 2vw, 2.5rem) 0 0;
    padding: 0;
    list-style: none;
    color: var(--color-text);
    text-align: center;
}

.feature-strip li {
    padding: 0.25rem 0.5rem;
}

.feature-strip li + li {
    border-left: 1px solid var(--color-border-strong);
}

/* How we work: four steps on the blue chapter */
.steps-row {
    display: grid;
    gap: 1.5rem;
    margin: clamp(2rem, 1.5rem + 2vw, 3rem) 0 0;
    padding: 0;
    list-style: none;
}

.steps-row__item {
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.35);
}

.steps-row__num {
    display: block;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.75);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.steps-row__title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.steps-row__text {
    margin-top: 0.25rem;
}

@media (min-width: 40em) {
    .steps-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 62em) {
    .steps-row {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0;
    }

    .steps-row__item {
        padding: 0 1.5rem;
        border-top: 0;
    }

    .steps-row__item:first-child {
        padding-left: 0;
    }

    .steps-row__item + .steps-row__item {
        border-left: 1px solid rgba(255, 255, 255, 0.35);
    }
}

/* Why Sevicos: principles with the diagonal slash from the logo's v */
.principles {
    position: relative;
    padding-bottom: 3.5rem;
}

.principles__list {
    max-width: 22rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.principles__list li {
    padding-block: 0.9rem;
    color: var(--color-ink);
    font-size: 1.0625rem;
    font-weight: 500;
}

.principles__list li + li {
    border-top: 1px solid var(--color-border);
}

.principles__list li:first-child {
    padding-top: 0;
}

.slash {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 3.5rem;
    height: 2.75rem;
    background: var(--color-primary);
    clip-path: polygon(55% 0, 100% 0, 45% 100%, 0 100%);
}

@media (min-width: 62em) {
    .principles {
        padding-bottom: 0;
    }

    .slash {
        bottom: 0.5rem;
    }
}

.page-hero {
    position: relative;
    overflow: hidden;
}

/* ==========================================================================
   8. Section heading
   Section heads are numbered 01, 02… down each page, like the homepage
   chapters. On wide screens a narrow section opens into two columns:
   heading on the left, content on the right.
   ========================================================================== */
main {
    counter-reset: chapter;
}

.section-head,
.stack {
    counter-increment: chapter;
}

.section-head__num::before {
    content: counter(chapter, decimal-leading-zero);
}

.section-head {
    max-width: 40rem;
    margin-bottom: clamp(2rem, 1.5rem + 2vw, 3rem);
}

@media (min-width: 62em) {
    .container--narrow:has(> .section-head),
    .container--narrow:has(> .stack),
    .container--narrow:has(> .faq-group) {
        max-width: var(--container);
    }

    .container--narrow:has(> .section-head) {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
        column-gap: clamp(3rem, 1rem + 4vw, 6rem);
        align-items: start;
    }

    .container--narrow:has(> .section-head) > * {
        grid-column: 2;
    }

    .container--narrow:has(> .section-head) > .section-head {
        position: sticky;
        top: calc(var(--header-h) + 2rem);
        grid-column: 1;
        grid-row: 1 / span 6;
        margin-bottom: 0;
    }

    .container--narrow:has(> .section-head) > .rows,
    .container--narrow:has(> .section-head) > .duo,
    .container--narrow:has(> .section-head) > .faq {
        margin-top: 0;
    }

    .stack,
    .faq-group {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
        column-gap: clamp(3rem, 1rem + 4vw, 6rem);
        align-items: start;
    }

    .stack > * {
        grid-column: 2;
    }

    .stack > .eyebrow,
    .stack > .stack__title {
        grid-column: 1;
    }

    .stack > .eyebrow {
        grid-row: 1;
    }

    .stack > .stack__title {
        grid-row: 2 / span 6;
    }

    .stack > .stack__title + .stack__text {
        grid-row: 1 / span 2;
    }

    .faq-group__title {
        position: sticky;
        top: calc(var(--header-h) + 2rem);
    }

    .faq-group .faq {
        margin-top: 0;
    }
}

.section-head__title {
    margin-bottom: 0.75rem;
    font-size: var(--fs-h2);
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.section-head__lead {
    font-size: var(--fs-lead);
}

/* ==========================================================================
   10. Forms
   ========================================================================== */
.form-section {
    display: grid;
    gap: 2rem 4rem;
    align-items: center;
}

.form-section__title {
    margin-bottom: 1rem;
    font-size: var(--fs-h2);
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.form-section__title--page {
    font-size: var(--fs-h1);
}

.form-section__lead {
    max-width: 30rem;
    font-size: var(--fs-lead);
}

.form-section__note {
    margin-top: 0.5rem;
    color: var(--color-muted);
    font-size: 0.9375rem;
}

.form-section__link {
    font-weight: 500;
}

@media (min-width: 62em) {
    .form-section {
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        align-items: start;
    }
}

.form-card {
    padding: clamp(1.25rem, 0.75rem + 2vw, 2rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.form-card__success {
    padding: 2rem 0.5rem;
    text-align: center;
}

.form-card__success:focus {
    outline: none;
}

.form-card__success-icon {
    margin: 0 auto 1rem;
    color: var(--color-primary);
}

.form-card__success-title {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.form-card__success-text {
    max-width: 24rem;
    margin: 0 auto 1.5rem;
}

.form {
    display: grid;
    gap: 1.125rem;
}

.form__row--split {
    display: grid;
    gap: 1.125rem;
}

@media (min-width: 40em) {
    .form__row--split {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.form__trap {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form__status {
    font-size: 0.875rem;
    line-height: 1.5;
}

.form__status:empty {
    display: none;
}

.form__status--error {
    padding: 0.7rem 0.9rem;
    background: var(--color-error-bg);
    border: 1px solid #FECACA;
    border-radius: var(--radius-sm);
    color: var(--color-error);
}

.form__note {
    color: var(--color-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}

.field__label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--color-ink);
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.3;
}

.field__control {
    display: block;
    width: 100%;
    padding: 0.75rem 0.875rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-ink);
    font-size: 1rem;
    line-height: 1.4;
    -webkit-appearance: none;
    appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field__control::placeholder {
    color: var(--color-muted);
    opacity: 1;
}

.field__control:hover {
    border-color: var(--color-border-strong);
}

.field__control:focus-visible {
    border-color: var(--color-primary);
    border-radius: 8px;
    outline: 2px solid transparent; /* stays visible in forced-colors mode */
    box-shadow: 0 0 0 3px rgba(36, 64, 240, 0.22);
}

.field__control[aria-invalid="true"] {
    border-color: var(--color-error);
}

.field__control[aria-invalid="true"]:focus-visible {
    box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.18);
}

.field__control--textarea {
    min-height: 8.5rem;
    resize: vertical;
}

.field__select {
    position: relative;
}

.field__select .field__control {
    padding-right: 2.6rem;
    cursor: pointer;
}

.field__select .field__control:invalid {
    color: var(--color-muted);
}

.field__select option {
    color: var(--color-ink);
}

.field__select-icon {
    position: absolute;
    top: 50%;
    right: 0.875rem;
    color: var(--color-muted);
    pointer-events: none;
    transform: translateY(-50%);
}

.field__error {
    margin-top: 0.4rem;
    color: var(--color-error);
    font-size: 0.8125rem;
    line-height: 1.4;
}

/* ==========================================================================
   11. Page hero (inner pages)
   ========================================================================== */
.page-hero {
    padding-block: clamp(2.75rem, 1.5rem + 5vw, 6rem) clamp(2.5rem, 1.5rem + 3vw, 4rem);
}

.page-hero__inner {
    position: relative;
}

/* A fine rule closes every inner hero, echoing the homepage hero */
.page-hero__inner::after {
    content: "";
    display: block;
    margin-top: clamp(2.5rem, 1.5rem + 3vw, 4rem);
    border-top: 1px solid var(--color-border-strong);
}

.page-hero__logo {
    width: auto;
    height: clamp(2.5rem, 2rem + 2vw, 3.5rem);
    margin-bottom: 1.75rem;
}

.page-hero__title {
    max-width: 16em;
    margin-bottom: 1.25rem;
    font-size: var(--fs-h1);
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.page-hero__lead {
    max-width: 42rem;
    font-size: var(--fs-lead);
}

.page-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.75rem;
    margin-top: 2rem;
}

/* ==========================================================================
   12. Cards, features, projects, CTA band, split
   ========================================================================== */
.card-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 40em) {
    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 62em) {
    .card-grid--3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .card-grid--4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.card {
    display: flex;
    flex-direction: column;
    padding: 1.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.card__icon {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1.25rem;
    background: var(--color-selected);
    border-radius: 10px;
    color: var(--color-primary);
}

.card__title {
    margin-bottom: 0.5rem;
    font-size: var(--fs-h3);
    letter-spacing: -0.015em;
}

.card__text {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.card__list {
    display: grid;
    gap: 0.6rem;
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
    font-size: 0.9rem;
    line-height: 1.5;
}

.card__list-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.card__list-icon {
    flex: none;
    margin-top: 0.2rem;
    color: var(--color-primary);
}

.card__link {
    margin-top: auto;
    padding-top: 1.5rem;
}

.section--panel .card {
    background: var(--color-bg);
}

/* Featured offering (media + text) */
.features {
    display: grid;
    gap: clamp(3.5rem, 2.5rem + 5vw, 6.5rem);
}

.feature {
    display: grid;
    gap: 2rem 4rem;
    align-items: center;
}

.feature__title {
    margin-bottom: 1rem;
    font-size: var(--fs-h2);
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.feature__text {
    font-size: var(--fs-lead);
}

.feature__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.75rem;
}

.feature__media {
    margin: 0;
}

.feature__image {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.feature__caption {
    margin-top: 0.6rem;
    color: var(--color-muted);
    font-size: 0.75rem;
}

@media (min-width: 62em) {
    .feature {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature--reverse .feature__media {
        order: -1;
    }
}

.checklist {
    display: grid;
    gap: 0.75rem;
    margin: 1.5rem 0 2rem;
    padding: 0;
    list-style: none;
}

.checklist__item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checklist__icon {
    flex: none;
    margin-top: 0.3rem;
    color: var(--color-primary);
}

/* Work: project cards */
.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: inherit;
    text-decoration: none;
}

a.project-card {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

a.project-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
}

.project-card--placeholder {
    border-style: dashed;
    border-color: var(--color-border-strong);
    background: transparent;
}

.project-card__media {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--color-accent-soft);
}

.project-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card__badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.3rem 0.65rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    line-height: 1;
    text-transform: uppercase;
}

.project-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.project-card__category {
    margin-bottom: 0.6rem;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.project-card__title {
    margin-bottom: 0.5rem;
    font-size: var(--fs-h3);
}

.project-card__summary {
    font-size: 0.9375rem;
    line-height: 1.55;
}

.project-card__meta {
    margin-top: 0.9rem;
    color: var(--color-muted);
    font-size: 0.8125rem;
}

/* Closing call to action: full-width dark chapter with the ribbon motif */
.closing {
    position: relative;
    overflow: hidden;
    padding-block: clamp(3.5rem, 2.5rem + 5vw, 6.5rem);
    background: var(--color-dark);
    color: var(--color-on-dark-muted);
}

.closing__ribbon {
    position: absolute;
    top: 50%;
    right: -9rem;
    width: clamp(18rem, 12rem + 26vw, 34rem);
    opacity: 0.95;
    transform: translateY(-50%) rotate(-62deg);
    pointer-events: none;
}

.closing .container {
    position: relative;
}

.cta-band {
    display: grid;
    gap: 2rem 3rem;
    align-items: end;
}

.cta-band__title {
    max-width: 12em;
    font-size: var(--fs-h2);
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.closing .cta-band__title {
    color: #fff;
}

.cta-band__accent {
    color: #4F68FF;
}

.cta-band__lead {
    max-width: 34rem;
    margin-top: 1rem;
    font-size: var(--fs-lead);
}

.cta-band__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.75rem;
}

.closing .btn--primary {
    background: var(--color-primary);
}

.closing .btn--primary:hover {
    background: #fff;
    color: var(--color-ink);
}

@media (max-width: 47.99em) {
    .closing {
        padding-bottom: 9rem;
    }

    .closing__ribbon {
        top: auto;
        bottom: -9rem;
        right: -5rem;
        width: 16rem;
        transform: rotate(-62deg);
    }
}

@media (min-width: 62em) {
    .cta-band {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .closing .cta-band {
        grid-template-columns: minmax(0, 1fr);
        max-width: 60%;
    }
}

/* Split layout (about) */
.split {
    display: grid;
    gap: 2.5rem 4rem;
    align-items: center;
}

.split__title {
    margin-bottom: 1rem;
    font-size: var(--fs-h2);
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.split__text + .split__text {
    margin-top: 1rem;
}

.split__actions {
    margin-top: 2rem;
}

.split__media {
    margin: 0;
}

@media (min-width: 62em) {
    .split {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ==========================================================================
   13. Prose, steps, 404
   ========================================================================== */
.prose {
    max-width: 46rem;
    font-size: 1rem;
    line-height: 1.75;
}

.prose h2 {
    margin: 2.5rem 0 0.75rem;
    font-size: 1.375rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.prose h2:first-child {
    margin-top: 0;
}

.prose p + p,
.prose ul + p {
    margin-top: 1rem;
}

.prose ul {
    display: grid;
    gap: 0.6rem;
    padding-left: 1.25rem;
}

.prose li::marker {
    color: var(--color-primary);
}

.prose strong {
    color: var(--color-ink);
    font-weight: 600;
}

.steps-title {
    margin: 2.5rem 0 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0;
}

.steps {
    display: grid;
    gap: 0.9rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.steps__item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
}

.steps__number {
    display: grid;
    flex: none;
    place-items: center;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--color-selected);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 0.8125rem;
    font-weight: 600;
}

.not-found {
    padding-block: clamp(2rem, 1rem + 5vw, 5rem);
}

.not-found__title {
    margin-bottom: 1rem;
    font-size: var(--fs-h1);
    line-height: 1.06;
    letter-spacing: -0.035em;
}

.not-found__lead {
    max-width: 34rem;
    font-size: var(--fs-lead);
}

.not-found__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.75rem;
    margin-top: 2rem;
}

/* ==========================================================================
   14. Stacks, rows, FAQ, business details
   ========================================================================== */

/* Plain stacked text block */
.stack__title {
    margin-bottom: 1rem;
    font-size: var(--fs-h2);
    text-wrap: balance;
}

.stack__text {
    max-width: var(--measure);
    font-size: var(--fs-lead);
}

.stack__note {
    max-width: var(--measure);
    margin-top: 1rem;
    color: var(--color-muted);
    font-size: 0.9375rem;
}

.stack__actions {
    margin-top: 1.75rem;
}

/* Simple content rows (features, capabilities, about) */
.rows {
    display: grid;
    gap: clamp(1.75rem, 1.25rem + 1.5vw, 2.75rem);
    margin-top: 2.5rem;
}

.rows {
    counter-reset: row;
}

.rows__item {
    position: relative;
    padding-top: 1.5rem;
    padding-left: 3rem;
    border-top: 1px solid var(--color-border);
    counter-increment: row;
}

.rows__item::before {
    content: counter(row, decimal-leading-zero);
    position: absolute;
    top: 1.85rem;
    left: 0;
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
}

.rows__title {
    margin-bottom: 0.6rem;
    font-size: clamp(1.1875rem, 1.05rem + 0.5vw, 1.4375rem);
}

.rows__text {
    max-width: var(--measure);
}

.rows__item .link-arrow {
    margin-top: 0.9rem;
}

/* Brand-name rows: the letter replaces the row number */
.rows--letters .rows__item::before {
    content: attr(data-mark);
    top: 1.3rem;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.rows__summary {
    max-width: var(--measure);
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
}

/* Two compact columns */
.duo {
    display: grid;
    gap: 2rem;
    margin-top: 2.5rem;
}

.duo__title {
    margin-bottom: 0.6rem;
    font-size: 1.25rem;
}

.duo__text {
    max-width: var(--measure);
}

.duo__item .link-arrow {
    margin-top: 0.9rem;
}

@media (min-width: 48em) {
    .duo {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2.5rem;
    }
}

/* FAQ */
.faq {
    margin: 2.25rem 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--color-border);
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: 1.1rem;
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::marker {
    content: "";
}

.faq__question:hover {
    color: var(--color-primary);
}

.faq__question:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.faq__marker {
    flex: none;
    align-self: center;
    color: var(--color-muted);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s ease;
}

.faq__details[open]:not(.is-closing) .faq__marker {
    color: var(--color-primary);
    transform: rotate(180deg);
}

.faq__answer {
    max-width: var(--measure);
    padding-bottom: 1.25rem;
}

.faq__more {
    margin-top: 1.75rem;
}

.faq-group + .faq-group {
    margin-top: clamp(2.25rem, 1.75rem + 2vw, 3.5rem);
}

.faq-group__title {
    margin-bottom: 0.5rem;
    font-size: 1.375rem;
}

/* Verified business identity */
.business-details {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.business-details__title {
    margin-bottom: 0.4rem;
    color: var(--color-muted);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.business-details__text {
    color: var(--color-muted);
    font-size: 0.875rem;
}

.field__optional {
    color: var(--color-muted);
    font-weight: 400;
}

.cta-band__email {
    color: var(--color-muted);
    font-size: 0.9375rem;
}

.closing .cta-band__email {
    color: var(--color-on-dark-muted);
}

.cta-band__email-link {
    color: var(--color-ink);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.cta-band__email-link:hover {
    border-bottom-color: currentColor;
}

.closing .cta-band__email-link {
    color: #fff;
}

/* ==========================================================================
   15. Shopify plan calculator
   ========================================================================== */
.calc {
    display: grid;
    gap: 1.5rem;
    align-items: start;
}

.calc__form {
    display: grid;
    gap: 1.125rem;
}

.calc [hidden] {
    display: none !important;
}

.calc__group {
    display: grid;
    gap: 0;
}

.calc__fieldset {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
}

.calc__hint {
    margin-top: 0.4rem;
    color: var(--color-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}

.calc__segmented {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem;
    padding: 0.25rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
}

.calc__segment {
    position: relative;
    display: block;
    cursor: pointer;
}

.calc__segment input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.calc__segment span {
    display: block;
    padding: 0.55rem 0.75rem;
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.3;
    text-align: center;
    border-radius: 999px;
    transition: background-color 0.25s ease, color 0.2s ease, box-shadow 0.25s ease;
}

.calc__segment input:checked + span {
    background: var(--color-surface);
    color: var(--color-ink);
    box-shadow: 0 1px 3px rgba(17, 18, 22, 0.12);
}

.calc__segment input:focus-visible + span {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

.calc__segment.is-disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.calc__results {
    display: grid;
    gap: 1.25rem;
}

.calc__noscript {
    padding: 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.calc__summary {
    display: grid;
    gap: 1rem;
    padding: clamp(1.25rem, 0.75rem + 2vw, 2rem);
    background: var(--color-dark);
    border-radius: var(--radius-lg);
    color: var(--color-on-dark);
}

.calc__stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 0;
}

.calc__stats dt {
    color: var(--color-primary-on-dark);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.calc__stats dd {
    margin: 0.2rem 0 0;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

.calc__verdict {
    display: grid;
    gap: 0.15rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.calc__verdict-label {
    color: var(--color-primary-on-dark);
    font-size: 0.8125rem;
}

.calc__verdict-plan {
    color: #fff;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.calc__verdict-total {
    color: #fff;
    font-weight: 600;
}

.calc__verdict-note {
    color: var(--color-primary-on-dark);
    font-size: 0.875rem;
}

.calc__verdict--empty {
    color: var(--color-on-dark);
}

.calc__plans {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.calc__plan {
    padding: 1rem 1.125rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.calc__plan.is-best {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.calc__plan-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.25rem 1rem;
}

.calc__plan-name {
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 700;
}

.calc__badge {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.15rem 0.55rem;
    background: var(--color-selected);
    border-radius: 999px;
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    vertical-align: middle;
}

.calc__plan-total {
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
}

.calc__plan-unit {
    margin-left: 0.15rem;
    color: var(--color-muted);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
}

.calc__bar {
    height: 0.375rem;
    margin-block: 0.7rem 0.6rem;
    overflow: hidden;
    background: var(--color-bg);
    border-radius: 999px;
}

.calc__bar-fill {
    display: block;
    width: 0;
    height: 100%;
    background: var(--color-border-strong);
    border-radius: inherit;
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.calc__plan.is-best .calc__bar-fill {
    background: var(--color-primary);
}

.calc__plan-detail,
.calc__plan-note {
    color: var(--color-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}

.calc__plan-note {
    margin-top: 0.3rem;
}

.calc__crossovers {
    padding: 1.125rem 1.25rem;
    background: var(--color-selected);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}

.calc__crossovers-title {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.calc__crossovers ul {
    display: grid;
    gap: 0.4rem;
    margin: 0;
    padding-left: 1.1rem;
}

.calc__crossovers strong {
    color: var(--color-ink);
}

.calc__footnote,
.calc__aside {
    color: var(--color-muted);
    font-size: 0.8125rem;
    line-height: 1.55;
}

.calc__aside {
    margin-top: 1.25rem;
}

.calc__aside--top {
    margin-top: 0;
    margin-bottom: 1rem;
}

.calc__subhead {
    margin: 2rem 0 0.75rem;
    font-size: 1.125rem;
}

.calc-table__wrap {
    margin-bottom: 1.25rem;
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.calc-table {
    width: 100%;
    min-width: 34rem;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.calc-table caption {
    padding: 0.8rem 1rem 0.2rem;
    color: var(--color-ink);
    font-weight: 600;
    text-align: left;
}

.calc-table th,
.calc-table td {
    padding: 0.6rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.calc-table thead th {
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

.calc-table tbody tr:last-child th,
.calc-table tbody tr:last-child td {
    border-bottom: 0;
}

.calc-table tbody th {
    color: var(--color-ink);
    font-weight: 600;
}

@media (min-width: 62em) {
    .calc {
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        gap: 2rem;
    }

    .calc__form {
        position: sticky;
        top: calc(var(--header-h) + 1.5rem);
    }
}

/* ==========================================================================
   16. Blog: filter, article list, breadcrumb, article page
   ========================================================================== */

/* Category filter: plain text links, the active one underlined */
.blog-filter {
    display: grid;
    gap: 0.75rem;
    margin-bottom: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
}

.blog-filter__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.5rem;
    list-style: none;
}

.blog-filter__link {
    display: inline-block;
    padding-block: 0.4rem;
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.blog-filter__link:hover {
    color: var(--color-ink);
}

.blog-filter__link[aria-current="true"] {
    color: var(--color-ink);
    border-bottom-color: var(--color-primary);
}

.blog-filter__count {
    color: var(--color-muted);
    font-size: 0.8125rem;
}

@media (min-width: 48em) {
    .blog-filter {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }
}

/* Article list: open items separated by a fine rule, no boxes */
.blog-grid {
    display: grid;
    gap: clamp(2.25rem, 1.75rem + 2vw, 3.5rem) 2.5rem;
}

@media (min-width: 40em) {
    .blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 62em) {
    .blog-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.blog-card {
    display: flex;
    flex-direction: column;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.blog-card[hidden] {
    display: none;
}

.blog-card__category {
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.blog-card__title {
    margin-bottom: 0.75rem;
    font-size: clamp(1.1875rem, 1.05rem + 0.45vw, 1.375rem);
    line-height: 1.25;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.blog-card__link {
    color: var(--color-ink);
    text-decoration: none;
    transition: color 0.2s ease;
}

.blog-card__link:hover {
    color: var(--color-primary);
}

.blog-card__excerpt {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
    color: var(--color-muted);
    font-size: 0.8125rem;
}

.blog-card__more {
    align-self: flex-start;
    margin-top: auto;
    padding-top: 1.25rem;
}

.blog-card:hover .blog-card__more .link-arrow__icon {
    transform: translateX(3px);
}

/* Breadcrumb */
.breadcrumb {
    margin-bottom: clamp(1.75rem, 1.25rem + 2vw, 2.75rem);
    font-size: 0.8125rem;
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0;
    list-style: none;
}

.breadcrumb__item {
    display: inline-flex;
    min-width: 0;
    color: var(--color-muted);
}

.breadcrumb__item + .breadcrumb__item::before {
    content: "/";
    margin-inline: 0.6rem;
    color: var(--color-border-strong);
}

.breadcrumb__link {
    color: var(--color-text);
    text-decoration: none;
}

.breadcrumb__link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.breadcrumb__current {
    overflow: hidden;
    max-width: 28ch;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Article page */
.article__header {
    padding-block: clamp(2rem, 1.25rem + 3vw, 4rem) clamp(2rem, 1.25rem + 2.5vw, 3.5rem);
}

.article__category {
    margin-bottom: 1rem;
}

.article__category-link {
    color: var(--color-primary);
    text-decoration: none;
}

.article__category-link:hover {
    text-decoration: underline;
}

.article__title {
    max-width: 22em;
    margin-bottom: 1.25rem;
    font-size: clamp(2rem, 1.4rem + 2.2vw, 3.125rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
    text-wrap: balance;
}

.article__intro {
    max-width: 44rem;
    font-size: var(--fs-lead);
}

.article__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.6rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    max-width: 44rem;
    color: var(--color-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
}

.article__layout {
    display: grid;
    gap: 2.5rem;
    padding-bottom: var(--space-section);
}

.article__content {
    min-width: 0;
    max-width: 44rem;
}

.article__section-title {
    font-size: 1.5rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.article__faq {
    margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
}

.article__faq .faq {
    margin-top: 1.25rem;
}

.article__cta {
    margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
}

/* A quieter version of the CTA band inside articles */
.article__cta .cta-band {
    grid-template-columns: minmax(0, 1fr);
    padding: 1.75rem 0 0;
    background: none;
    border: 0;
    border-top: 1px solid var(--color-border);
    border-radius: 0;
}

.article__cta .cta-band__title {
    font-size: 1.375rem;
}

/* Contents list: above the article on small screens, beside it on wide ones */
.toc {
    padding: 1.25rem 0;
    border-block: 1px solid var(--color-border);
}

.toc__title {
    margin-bottom: 0.75rem;
    color: var(--color-ink);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.toc__list {
    display: grid;
    gap: 0.5rem;
    list-style: none;
    counter-reset: toc;
}

.toc__item {
    display: flex;
    gap: 0.6rem;
    font-size: 0.9rem;
    line-height: 1.45;
    counter-increment: toc;
}

.toc__item::before {
    content: counter(toc, decimal-leading-zero);
    flex: none;
    color: var(--color-muted);
    font-size: 0.75rem;
    line-height: 1.9;
    font-variant-numeric: tabular-nums;
}

.toc__link {
    color: var(--color-text);
    text-decoration: none;
}

.toc__link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

@media (min-width: 62em) {
    .article__layout {
        grid-template-columns: minmax(0, 44rem) minmax(0, 16rem);
        justify-content: space-between;
        align-items: start;
        gap: 4rem;
    }

    .article__toc {
        position: sticky;
        top: calc(var(--header-h) + 2rem);
        grid-column: 2;
        grid-row: 1;
        padding-top: 0;
        border: 0;
    }

    .article__content {
        grid-column: 1;
        grid-row: 1;
    }
}

/* Long-form article typography (extends .prose) */
.prose--article {
    max-width: none;
    font-size: 1.0625rem;
    line-height: 1.75;
}

.prose--article h2 {
    margin: 3rem 0 1rem;
    font-size: clamp(1.4375rem, 1.25rem + 0.6vw, 1.75rem);
    line-height: 1.2;
}

.prose--article h3 {
    margin: 2rem 0 0.6rem;
    font-size: 1.1875rem;
    line-height: 1.3;
    letter-spacing: -0.015em;
}

.prose--article > :first-child {
    margin-top: 0;
}

.prose--article p,
.prose--article ul,
.prose--article ol,
.prose--article table,
.prose--article blockquote {
    margin-top: 1rem;
}

.prose--article h2 + p,
.prose--article h3 + p,
.prose--article h2 + ul,
.prose--article h3 + ul,
.prose--article h2 + ol,
.prose--article h3 + ol {
    margin-top: 0;
}

.prose--article ol {
    display: grid;
    gap: 0.6rem;
    padding-left: 1.4rem;
}

.prose--article ol li::marker {
    color: var(--color-primary);
    font-weight: 600;
}

.prose--article a {
    text-decoration-thickness: 1px;
}

.prose--article a:hover {
    color: var(--color-primary-hover);
    text-decoration-thickness: 2px;
}

.prose--article blockquote {
    margin-inline: 0;
    padding-left: 1.25rem;
    color: var(--color-ink);
    border-left: 2px solid var(--color-primary);
}

.prose--article code {
    padding: 0.1em 0.35em;
    background: var(--color-selected);
    border-radius: 4px;
    color: var(--color-ink);
    font-size: 0.875em;
    overflow-wrap: anywhere;
}

.prose--article .table-wrap {
    margin-top: 1.25rem;
    overflow-x: auto;
}

.prose--article table {
    width: 100%;
    min-width: 32rem;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.prose--article th,
.prose--article td {
    padding: 0.7rem 0.9rem 0.7rem 0;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--color-border);
}

.prose--article th {
    color: var(--color-ink);
    font-weight: 600;
}

.prose--article .note {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--color-selected);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
}

/* Related articles */
.related {
    padding-top: var(--space-section);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.related__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.related__title {
    font-size: var(--fs-h2);
    letter-spacing: -0.03em;
}

/* ==========================================================================
   17. Motion & reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}