/* Remylo website — VARIANT B: pure Swiss (Dieter Rams / Braun direction)
   Cool near-white + ink + sharp corners. One terracotta signal, on the CTA only. */

/* ---- Fonts (self-hosted, no third-party calls) ---- */
@font-face {
    font-family: "Geist";
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url("assets/fonts/geist-latin-wght-normal.woff2") format("woff2");
}
@font-face {
    font-family: "Geist Mono";
    font-style: normal;
    font-weight: 400 500;
    font-display: swap;
    src: url("assets/fonts/geist-mono-latin-wght-normal.woff2") format("woff2");
}

:root {
    color-scheme: light dark;
    --paper: #f4f4f1;
    --ink: #18191b;
    --ink-soft: rgba(24, 25, 27, 0.62);
    --ink-faint: rgba(24, 25, 27, 0.42);
    --line: rgba(24, 25, 27, 0.16);
    --accent: #b04a3a;
    --accent-hover: #973e30;
    --accent-text: #faf9f5;
    --bezel-fill: linear-gradient(145deg, #f6e8c4 0%, #dcbf80 24%, #c2a25d 48%, #ecd6a0 70%, #b58c49 100%);
    --bezel-edge: rgba(255, 248, 224, 0.6);
    --radius: 0;
    --radius-screen: 0;
    --maxw: 1120px;
    --font: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #121315;
        --ink: #f1f1ee;
        --ink-soft: rgba(241, 241, 238, 0.64);
        --ink-faint: rgba(241, 241, 238, 0.44);
        --line: rgba(241, 241, 238, 0.17);
        --accent: #d78974;
        --accent-hover: #e49a86;
        --accent-text: #18191b;
    }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
    min-height: 100%;
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

/* ---- Focus + skip link ---- */
.skip-link {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 0.7rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    color: var(--ink);
    transform: translateY(-160%);
    transition: transform 0.18s ease;
}
.skip-link:focus { transform: translateY(0); }

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* ---- Shared measure ---- */
main,
.site-header,
.site-footer {
    width: calc(100% - 3rem);
    max-width: var(--maxw);
    margin-inline: auto;
}

/* ---- Header: a hairline, no pills, no shadow ---- */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: 70px;
    border-bottom: 1px solid var(--line);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--ink);
    font-weight: 600;
    font-size: 1.04rem;
    letter-spacing: -0.01em;
}

.brand-mark img {
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 6px;
}

.site-nav,
.site-footer nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.4rem;
}

.site-nav a,
.site-footer nav a {
    display: inline-flex;
    align-items: center;
    color: var(--ink-soft);
    font-size: 0.92rem;
    transition: color 0.15s ease;
}

.site-nav a:hover,
.site-footer nav a:hover { color: var(--ink); }

.site-nav .nav-cta { color: var(--ink); font-weight: 500; }
.site-nav .nav-cta:hover { color: var(--accent); }

/* ---- Type ---- */
.eyebrow {
    margin: 0 0 1.1rem;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    line-height: 1.5;
    text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2 {
    font-weight: 500;
    letter-spacing: -0.028em;
    font-style: normal;
}

h1 {
    max-width: 13ch;
    margin-bottom: 1.3rem;
    font-size: clamp(2.5rem, 5.4vw, 3.8rem);
    line-height: 1.02;
}

h2 {
    margin-bottom: 0.9rem;
    font-size: clamp(1.8rem, 3.6vw, 2.6rem);
    line-height: 1.08;
}

h3 {
    margin-bottom: 0.5rem;
    font-size: 1.04rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

p { color: var(--ink-soft); }

/* ---- Buttons: terracotta is the one signal, marking the action ---- */
.primary-button {
    min-height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    padding: 0 1.3rem;
    background: var(--accent);
    color: var(--accent-text);
    font-size: 0.94rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: background 0.15s ease, transform 0.15s ease;
}

.primary-button::after {
    content: "\2192";
    margin-left: 0.55rem;
    font-family: var(--mono);
    font-weight: 400;
    transition: transform 0.15s ease;
}

.primary-button:hover { background: var(--accent-hover); transform: translateY(-1px); }
.primary-button:hover::after { transform: translateX(3px); }

/* ---- Hero ---- */
.hero-section {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.8fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
    padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4.5rem);
}

.hero-copy { min-width: 0; }

.hero-subtitle {
    max-width: 34ch;
    margin-bottom: 2rem;
    font-size: clamp(1.1rem, 1.6vw, 1.25rem);
    line-height: 1.5;
    color: var(--ink-soft);
}

.cta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem 1.15rem;
    margin-bottom: 0;
}

.cta-row p,
.final-cta > p:last-child {
    max-width: 26rem;
    margin: 0;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.02em;
    line-height: 1.5;
}

/* Trust signals: one quiet mono line, hairline above, no pills */
.hero-trust-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.9rem;
    margin: 2.4rem 0 0;
    padding: 1.3rem 0 0;
    border-top: 1px solid var(--line);
    list-style: none;
}

.hero-trust-list li {
    position: relative;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.03em;
}

.hero-trust-list li + li::before {
    content: "\00b7";
    margin-right: 0.9rem;
    color: var(--ink-faint);
}

.hero-visual {
    position: relative;
    display: grid;
    place-items: center;
}

/* ---- iPhone frame: graphite bezel, rounded screen, Dynamic Island ---- */
.device-frame {
    --device-width: 320px;
    --bezel: max(9px, calc(var(--device-width) * 0.032));
    position: relative;
    width: min(100%, var(--device-width));
    aspect-ratio: 414 / 900;
    padding: var(--bezel);
    background: var(--bezel-fill);
    border-radius: calc(var(--device-width) * 0.145);
    box-shadow: inset 0 0 0 1px var(--bezel-edge),
                0 16px 38px rgba(24, 25, 27, 0.18);
    overflow: hidden;
}

.device-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--device-width) * 0.108);
}

/* Dynamic Island */
.device-frame::before {
    content: "";
    position: absolute;
    top: calc(var(--bezel) + max(8px, calc(var(--device-width) * 0.028)));
    left: 50%;
    transform: translateX(-50%);
    width: 30%;
    height: 3%;
    min-height: 16px;
    background: #000;
    border-radius: 999px;
    z-index: 2;
}

.device-notch { display: none; }

.device-frame-main { --device-width: min(330px, 80vw); }
.device-frame-small { --device-width: clamp(190px, 22vw, 260px); }
.device-frame-dark { --device-width: min(320px, 82vw); }
.feature-hero-device { --device-width: min(280px, 70vw); justify-self: center; }

/* ---- Section rhythm: hairline rules + whitespace, never floating cards ---- */
.problem-band,
.section-shell,
.final-cta {
    padding: clamp(3rem, 6vw, 5.5rem) 0;
    border-top: 1px solid var(--line);
}

.problem-band h2 {
    max-width: 14ch;
    margin-bottom: 1.2rem;
    font-size: clamp(2.1rem, 5vw, 3.4rem);
}

.problem-band p:last-child {
    max-width: 52ch;
    margin-bottom: 0;
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
}

.section-heading {
    max-width: 60ch;
    margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.section-heading p:last-child {
    max-width: 46ch;
    margin-bottom: 0;
    font-size: 1.04rem;
}

/* ---- Missed reminder recovery loop: native disclosure + recurring rail ---- */
.loop-heading {
    max-width: 68ch;
}

.recovery-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: stretch;
}

.recovery-timeline,
.resurface-rail {
    margin: 0;
    padding: 0;
    list-style: none;
}

.recovery-timeline {
    display: grid;
    gap: 1px;
    border: 1px solid var(--line);
    background: var(--line);
}

.recovery-timeline > li {
    position: relative;
    background: var(--paper);
}

.recovery-timeline > li::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: -1px;
    left: clamp(2.35rem, 5vw, 3rem);
    width: 1px;
    background: var(--line);
}

.recovery-timeline > li:last-child::before {
    bottom: 50%;
}

.recovery-node {
    position: relative;
    min-height: 6.1rem;
    padding: clamp(1rem, 2.2vw, 1.35rem) clamp(1.1rem, 2.4vw, 1.6rem);
}

.recovery-node summary {
    position: relative;
    display: grid;
    grid-template-columns: clamp(2.8rem, 5vw, 3.6rem) minmax(0, 1fr);
    gap: 1rem;
    align-items: center;
    min-height: 2.8rem;
    color: var(--ink);
    cursor: pointer;
    list-style: none;
}

.recovery-node summary::-webkit-details-marker { display: none; }

.recovery-node summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 0.35rem;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.9rem;
}

.recovery-node[open] summary::after {
    content: "-";
}

.recovery-node .step-number {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    margin: 0;
    border: 1px solid var(--line);
    background: var(--paper);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}

.recovery-node summary span:last-child {
    max-width: 26ch;
    padding-right: 1.7rem;
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    font-weight: 600;
    letter-spacing: -0.012em;
    line-height: 1.18;
}

.recovery-node p {
    max-width: 48ch;
    margin: 0.7rem 0 0;
    padding-left: calc(clamp(2.8rem, 5vw, 3.6rem) + 1rem);
    color: var(--ink-soft);
    font-size: 0.98rem;
}

.resurface-panel {
    display: grid;
    align-content: start;
    gap: 1.2rem;
    min-width: 0;
    border: 1px solid var(--line);
    padding: clamp(1.2rem, 2.6vw, 1.75rem);
}

.resurface-task {
    display: grid;
    gap: 0.2rem;
    padding-bottom: 1.15rem;
    border-bottom: 1px solid var(--line);
}

.resurface-task span:first-child {
    color: var(--ink);
    font-size: clamp(1.35rem, 3vw, 2rem);
    font-weight: 500;
    letter-spacing: -0.028em;
    line-height: 1.05;
    overflow-wrap: break-word;
}

.resurface-task span:last-child {
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
}

.resurface-rail {
    display: grid;
    gap: 0;
}

.resurface-rail li {
    display: grid;
    grid-template-columns: 0.75rem minmax(4.8rem, 0.34fr) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
}

.resurface-rail li::before {
    content: "";
    grid-column: 1;
    grid-row: 1;
    width: 0.42rem;
    height: 0.42rem;
    margin-top: 0.42rem;
    border: 1px solid var(--ink);
    background: var(--paper);
}

.resurface-rail li:last-child {
    border-bottom: 0;
}

.resurface-rail span {
    grid-column: 2;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.resurface-rail strong {
    grid-column: 3;
    min-width: 0;
    color: var(--ink);
    font-size: 0.96rem;
    font-weight: 500;
    line-height: 1.35;
    overflow-wrap: break-word;
}

.loop-strip,
.use-case-detail-grid {
    display: grid;
    gap: 1px;
    border: 1px solid var(--line);
    background: var(--line);
}

.loop-strip {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.loop-strip article,
.use-case-detail-grid article {
    background: var(--paper);
    padding: clamp(1.25rem, 2.5vw, 1.7rem);
}

.loop-strip span {
    display: inline-block;
    margin-bottom: 1.15rem;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.loop-strip h3 {
    font-size: clamp(1.15rem, 2vw, 1.38rem);
}

.loop-strip p,
.use-case-detail-grid p {
    margin-bottom: 0;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.use-case-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.use-case-detail-grid article {
    scroll-margin-top: 1.5rem;
}

.use-case-detail-grid .eyebrow {
    margin-bottom: 0.9rem;
}

.use-case-detail-grid h3 {
    font-size: clamp(1.2rem, 2.2vw, 1.6rem);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1.05rem;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.text-link::after {
    content: "\2192";
}

.text-link:hover {
    color: var(--accent);
}

/* ---- Module grids: crisp hairline separators, paper cells, no fills/shadows ---- */
.loop-grid,
.compare-grid,
.use-case-grid,
.trust-grid,
.feature-proof-grid,
.faq-list {
    display: grid;
    gap: 1px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--line);
    overflow: hidden;
}

.loop-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compare-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.use-case-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.trust-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-proof-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.loop-step,
.compare-card,
.use-case-grid article,
.trust-grid article,
.feature-proof-grid article,
.faq-item {
    background: var(--paper);
}

.loop-step,
.use-case-grid article,
.trust-grid article {
    padding: clamp(1.3rem, 2.4vw, 1.75rem);
}

.loop-step { min-height: 13rem; }
.feature-proof-grid article { padding: clamp(1.3rem, 2.4vw, 1.75rem); min-height: 12rem; }

.step-number {
    display: block;
    margin-bottom: 1.4rem;
    color: var(--ink);
    font-family: var(--mono);
    font-size: clamp(1.8rem, 2.4vw, 2.3rem);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.loop-step p,
.use-case-grid p,
.trust-grid p,
.feature-proof-grid p,
.compare-card li {
    color: var(--ink-soft);
    font-size: 0.95rem;
}

/* Supporting screenshots row */
.device-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    justify-items: center;
    gap: clamp(1.5rem, 4vw, 3rem);
    margin-top: clamp(2rem, 5vw, 3.5rem);
}

/* ---- Before / after ---- */
.compare-card { padding: clamp(1.4rem, 2.6vw, 2rem); }
.compare-card h3 { font-size: clamp(1.2rem, 2.4vw, 1.6rem); margin-bottom: 1.1rem; }

.compare-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.7rem;
}

.compare-card li {
    position: relative;
    padding-left: 1.4rem;
    color: var(--ink-soft);
}

.compare-card li::before {
    content: "\2013";
    position: absolute;
    left: 0;
    color: var(--ink-faint);
}

.highlighted-card li { color: var(--ink); }
.highlighted-card li::before {
    content: "\2192";
    font-family: var(--mono);
    color: var(--ink);
}

/* ---- Retention ---- */
.retention-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.5fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
}

.retention-copy p:not(.eyebrow) {
    max-width: 48ch;
    font-size: 1.04rem;
}

.proof-list {
    display: grid;
    gap: 0.7rem;
    margin: 1.6rem 0 0;
    padding-left: 1.4rem;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.retention-section .device-frame { justify-self: center; }

/* ---- Trust ---- */
.trust-grid span {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

/* ---- FAQ ---- */
.faq-section { max-width: 980px; margin-inline: auto; }

.faq-item {
    display: grid;
    grid-template-columns: minmax(170px, 0.42fr) minmax(0, 1fr);
    gap: 1.2rem;
    padding: clamp(1.2rem, 2.4vw, 1.6rem);
}

.faq-item dt { color: var(--ink); font-weight: 600; }
.faq-item dd { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }

/* ---- Final CTA ---- */
.final-cta {
    display: grid;
    justify-items: start;
    gap: 1.3rem;
}

.final-cta h2 { max-width: 16ch; margin: 0; }

/* ---- Footer ---- */
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0;
    padding: 2.5rem 0;
    border-top: 1px solid var(--line);
    color: var(--ink-faint);
}

.site-footer .brand-mark { font-size: 0.95rem; color: var(--ink-soft); }
.site-footer .brand-mark img { width: 1.5rem; height: 1.5rem; }
.site-footer p {
    margin: 0;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.03em;
}

/* ---- Features page ---- */
.features-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.42fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
    padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4.5rem);
}

.features-hero h1 { max-width: 14ch; }

.features-hero p:last-child,
.feature-proof-copy p:last-child {
    max-width: 48ch;
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
}

.feature-proof-list {
    display: grid;
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
}

.feature-proof-list h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }

/* ---- Legal page ---- */
.legal-page { max-width: 720px; margin: 0 auto; padding: 3.5rem 1.5rem; }

.legal-page h1 {
    margin-bottom: 0.4rem;
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.05;
}

.legal-page .last-updated {
    margin-bottom: 2.5rem;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
}

.legal-page h2 {
    margin-top: 2rem;
    margin-bottom: 0.6rem;
    font-size: 1.25rem;
    color: var(--ink);
}

.legal-page h3 { margin-top: 1.2rem; margin-bottom: 0.4rem; color: var(--ink); }

.legal-page p,
.legal-page li {
    margin-bottom: 0.8rem;
    color: var(--ink-soft);
    font-size: 1rem;
}

.legal-page ul { padding-left: 1.4rem; margin-bottom: 1rem; }

.legal-page a,
.back-link { color: var(--accent); }
.legal-page a:hover { color: var(--accent-hover); }

.back-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: 1.75rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

footer:not(.site-footer) {
    width: min(100% - 3rem, 720px);
    margin: 2.5rem auto 0;
    padding: 2rem 0;
    border-top: 1px solid var(--line);
    text-align: center;
}

footer:not(.site-footer) .footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.4rem;
    margin-bottom: 1rem;
}

footer:not(.site-footer) a { color: var(--ink-soft); }
footer:not(.site-footer) a:hover { color: var(--ink); }
footer:not(.site-footer) p {
    margin: 0;
    color: var(--ink-faint);
    font-family: var(--mono);
    font-size: 0.74rem;
}

/* ---- Responsive ---- */
@media (max-width: 940px) {
    .hero-section,
    .features-hero,
    .retention-section,
    .recovery-layout,
    .feature-proof-list {
        grid-template-columns: 1fr;
    }

    .hero-visual { justify-items: start; }

    .loop-grid,
    .use-case-grid,
    .feature-proof-grid,
    .loop-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trust-grid { grid-template-columns: 1fr; }
    .loop-step,
    .feature-proof-grid article { min-height: auto; }
}

@media (max-width: 620px) {
    main,
    .site-header,
    .site-footer { width: calc(100% - 2rem); }

    .site-header { height: 60px; }

    .site-nav { gap: 1rem; }
    .site-nav a {
        min-height: 44px;
        font-size: 0.86rem;
    }

    .back-link,
    footer:not(.site-footer) a {
        min-height: 44px;
        align-items: center;
    }

    .loop-grid,
    .compare-grid,
    .use-case-grid,
    .use-case-detail-grid,
    .feature-proof-grid,
    .loop-strip,
    .device-strip { grid-template-columns: 1fr; }

    .faq-item { grid-template-columns: 1fr; gap: 0.5rem; }

    .recovery-node {
        min-height: 0;
    }

    .recovery-node p {
        padding-left: 0;
    }

    .resurface-rail li {
        grid-template-columns: 0.75rem minmax(0, 1fr);
        gap: 0.25rem;
    }

    .resurface-rail li::before {
        grid-column: 1;
        grid-row: 1;
    }

    .resurface-rail span,
    .resurface-rail strong {
        grid-column: 2;
    }

    .resurface-rail strong {
        grid-row: 2;
    }

    .primary-button { width: 100%; }

    .cta-row { width: 100%; }

    .site-footer { justify-content: flex-start; }
}