:root {
    --bg: #061018;
    --bg-2: #0c1520;
    --panel: rgba(11, 22, 35, 0.78);
    --panel-strong: rgba(9, 17, 28, 0.92);
    --panel-soft: rgba(255, 255, 255, 0.035);
    --border: rgba(128, 183, 255, 0.15);
    --border-strong: rgba(128, 183, 255, 0.28);
    --text: #f4f7fb;
    --muted: #a7b8c8;
    --muted-2: #7f92a5;
    --accent: #8df7cb;
    --accent-2: #6ec8ff;
    --warning: #ffd66b;
    --danger: #ff8f8f;
    --success: #8df7cb;
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    --radius-lg: 1.8rem;
    --radius-md: 1.2rem;
    --radius-sm: 0.9rem;
    --page-bg:
        radial-gradient(circle at top left, rgba(110, 200, 255, 0.18), transparent 28%),
        radial-gradient(circle at 85% 20%, rgba(141, 247, 203, 0.14), transparent 24%),
        linear-gradient(180deg, #071019 0%, #0d1621 48%, #08111b 100%);
}

body[data-ui-theme="aurora"] {
    --bg: #081118;
    --bg-2: #10192a;
    --panel: rgba(13, 20, 38, 0.76);
    --panel-strong: rgba(7, 15, 31, 0.92);
    --border: rgba(156, 216, 255, 0.18);
    --border-strong: rgba(156, 216, 255, 0.34);
    --accent: #9fffe1;
    --accent-2: #8ec5ff;
    --warning: #ffd4f9;
    --shadow: 0 34px 90px rgba(3, 8, 20, 0.46);
    --page-bg:
        radial-gradient(circle at 10% 10%, rgba(142, 197, 255, 0.24), transparent 24%),
        radial-gradient(circle at 82% 15%, rgba(159, 255, 225, 0.18), transparent 22%),
        linear-gradient(180deg, #07101a 0%, #10192a 48%, #0a121f 100%);
}

body[data-ui-theme="graphite"] {
    --bg: #0e1014;
    --bg-2: #171a21;
    --panel: rgba(18, 20, 25, 0.86);
    --panel-strong: rgba(14, 15, 20, 0.95);
    --panel-soft: rgba(255, 255, 255, 0.025);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.17);
    --text: #f5f7fb;
    --muted: #a7acb8;
    --muted-2: #878e9b;
    --accent: #dfebff;
    --accent-2: #8ca9ff;
    --warning: #f0cca3;
    --shadow: 0 26px 80px rgba(0, 0, 0, 0.45);
    --page-bg: linear-gradient(180deg, #101318 0%, #171b23 48%, #0d1015 100%);
}

body[data-ui-theme="ivory"] {
    --bg: #f4f2ea;
    --bg-2: #ebe7dd;
    --panel: rgba(255, 255, 255, 0.8);
    --panel-strong: rgba(255, 255, 255, 0.92);
    --panel-soft: rgba(6, 16, 24, 0.02);
    --border: rgba(26, 46, 63, 0.1);
    --border-strong: rgba(26, 46, 63, 0.18);
    --text: #142234;
    --muted: #586b7b;
    --muted-2: #768899;
    --accent: #0e7c86;
    --accent-2: #275efe;
    --warning: #b96b22;
    --danger: #c24444;
    --success: #17835d;
    --shadow: 0 22px 60px rgba(20, 34, 52, 0.1);
    --page-bg: linear-gradient(180deg, #f7f4ee 0%, #efe9df 48%, #f2eee7 100%);
}

body[data-ui-theme="voltage"] {
    --bg: #0a0b12;
    --bg-2: #141724;
    --panel: rgba(16, 19, 31, 0.82);
    --panel-strong: rgba(11, 13, 24, 0.95);
    --border: rgba(255, 109, 125, 0.18);
    --border-strong: rgba(255, 109, 125, 0.32);
    --text: #faf4f6;
    --muted: #d1bcc4;
    --muted-2: #aa8f98;
    --accent: #ff7d91;
    --accent-2: #ffbf6d;
    --warning: #ffcf7b;
    --danger: #ff8080;
    --success: #8fffd6;
    --shadow: 0 32px 90px rgba(0, 0, 0, 0.52);
    --page-bg:
        radial-gradient(circle at 12% 14%, rgba(255, 125, 145, 0.2), transparent 20%),
        radial-gradient(circle at 85% 10%, rgba(255, 191, 109, 0.14), transparent 18%),
        linear-gradient(180deg, #090a11 0%, #151926 48%, #090b12 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: "IBM Plex Sans", sans-serif;
    color: var(--text);
    background: var(--page-bg);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.page-glow {
    position: fixed;
    width: 34rem;
    height: 34rem;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
    pointer-events: none;
    z-index: 0;
}
.page-glow-left { top: -10rem; left: -8rem; background: rgba(110, 200, 255, 0.35); }
.page-glow-right { top: 22rem; right: -8rem; background: rgba(141, 247, 203, 0.28); }

.site-header, .site-footer, main, .flash-stack { position: relative; z-index: 1; }
.site-header {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1.35rem 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: "Space Grotesk", sans-serif;
    letter-spacing: 0.08em;
}
.brand-mark {
    padding: 0.36rem 0.62rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--accent);
    background: rgba(141, 247, 203, 0.08);
}
.brand-name { font-size: 1.06rem; font-weight: 700; }
.site-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    color: var(--muted);
    font-size: 0.95rem;
}
.site-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.lang-switch {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
}
.lang-switch form { margin: 0; }
.lang-pill,
.theme-switch select {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--muted);
    border-radius: 999px;
    min-height: 2.3rem;
    padding: 0 0.85rem;
}
.lang-pill {
    cursor: pointer;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    font-weight: 700;
}
.lang-pill.active {
    color: var(--text);
    border-color: var(--border-strong);
    background: rgba(255,255,255,0.08);
}
.theme-switch select {
    min-width: 10.4rem;
    cursor: pointer;
}
.site-nav a, .nav-button {
    transition: color 180ms ease, border-color 180ms ease, background 180ms ease, transform 180ms ease;
}
.site-nav a:hover, .nav-button:hover { color: var(--text); transform: translateY(-1px); }
.nav-highlight, .nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.6rem;
    padding: 0 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}
.nav-highlight {
    background: linear-gradient(135deg, rgba(141, 247, 203, 0.16), rgba(110, 200, 255, 0.13));
    color: var(--text);
}
.inline-form { margin: 0; }
.nav-button {
    cursor: pointer;
    color: var(--muted);
}

.flash-stack {
    max-width: 1240px;
    margin: 1rem auto 0;
    padding: 0 1.5rem;
    display: grid;
    gap: 0.7rem;
}
.flash {
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
}
.flash-success { border-color: rgba(141,247,203,0.24); }
.flash-warning { border-color: rgba(255,214,107,0.24); }
.flash-error { border-color: rgba(255,143,143,0.24); }

main {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
}
.section { padding-top: 4.8rem; }
.section-tight { padding-top: 2rem; }
.eyebrow {
    display: inline-block;
    margin-bottom: 1.05rem;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--warning);
}
.eyebrow-small { font-size: 0.72rem; margin-bottom: 0.7rem; }

h1, h2, h3 { margin: 0; font-family: "Space Grotesk", sans-serif; }
h1 { font-size: clamp(2.8rem, 6vw, 5.8rem); line-height: 0.94; max-width: 12.8ch; }
h2 { font-size: clamp(1.95rem, 3vw, 3.3rem); line-height: 1.02; max-width: 16ch; }
h3 { font-size: 1.16rem; }

.hero-text, .section-heading p, .card p, .product-card p, .stack-rail p, .launch-panel p,
.activity-item p, .auth-note, .detail-card, .chat-content, .pricing-card p {
    color: var(--muted);
    line-height: 1.75;
}
.hero-large {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    gap: 2rem;
    align-items: end;
    padding-top: 5.2rem;
}
.hero-text { margin: 1.45rem 0 0; max-width: 64ch; font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.2rem;
    padding: 0 1.3rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary {
    color: #041119;
    background: linear-gradient(135deg, var(--accent) 0%, #bbffd7 100%);
}
.button-secondary {
    color: var(--text);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.03);
}
.button-small {
    min-height: 2.4rem;
    padding: 0 1rem;
    font-size: 0.88rem;
}

.landing-shell {
    max-width: 1320px;
}

.landing-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 2rem;
    align-items: stretch;
    padding-top: 5.5rem;
}

.landing-hero-copy {
    padding: 2rem 0 1rem;
}

.landing-hero-copy h1 {
    max-width: 10.5ch;
}

.landing-hero-visual {
    display: grid;
    gap: 1rem;
}

.hero-screen {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    box-shadow: var(--shadow);
    border-radius: 1.7rem;
    padding: 1.4rem;
    backdrop-filter: blur(16px);
}

.hero-screen-primary {
    min-height: 19rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero-screen-secondary {
    min-height: 11rem;
}

.hero-screen p {
    margin: 0.9rem 0 0;
    color: var(--muted);
    line-height: 1.75;
}

.hero-screen-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

.hero-screen-tags span,
.story-index,
.product-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.05);
    color: var(--muted);
    padding: 0.42rem 0.8rem;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.landing-metric-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.landing-metric-card,
.story-panel,
.surface-card-clean,
.proof-card-clean,
.landing-cta-panel {
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    border-radius: 1.5rem;
}

.landing-metric-card {
    padding: 1rem 1.1rem;
}

.landing-story,
.landing-surfaces,
.landing-proof-strip,
.landing-cta-block {
    padding-top: 5rem;
}

.landing-story-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
}

.story-panel {
    min-height: 18rem;
    padding: 1.45rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.story-panel h3 {
    font-size: clamp(1.35rem, 2vw, 2rem);
}

.story-panel p,
.surface-card-clean p,
.proof-card-clean p,
.landing-cta-panel p {
    color: var(--muted);
    line-height: 1.75;
    margin: 0;
}

.surface-grid-clean {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.surface-card-clean {
    padding: 1.5rem;
    min-height: 15rem;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.surface-card-clean:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: rgba(255,255,255,0.06);
}

.surface-card-clean h3,
.proof-card-clean strong {
    display: block;
    margin: 1rem 0 0.7rem;
}

.landing-proof-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.proof-card-clean {
    padding: 1.2rem;
}

.landing-cta-panel {
    padding: 1.8rem;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: end;
}

body.landing-home .site-header {
    max-width: 1320px;
    padding-top: 1.1rem;
    align-items: center;
}

body.landing-home .site-nav-landing {
    padding: 0.35rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 999px;
    gap: 0.3rem;
}

body.landing-home .site-nav-landing a,
body.landing-home .site-nav-landing .nav-button {
    min-height: 2.45rem;
    padding: 0 0.95rem;
    border-radius: 999px;
}

body.landing-home .site-nav-landing a:hover,
body.landing-home .site-nav-landing .nav-button:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: none;
}

body.landing-home .site-nav-landing .nav-highlight {
    background: linear-gradient(135deg, rgba(141, 247, 203, 0.2), rgba(110, 200, 255, 0.18));
}

.landing-v3 {
    max-width: 1360px;
    padding-bottom: 5.5rem;
}

.landing-v3-hero {
    min-height: calc(100vh - 6.8rem);
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
    gap: 2.4rem;
    align-items: center;
    padding-top: 4.2rem;
}

.landing-v3-copy {
    display: grid;
    gap: 1.3rem;
    align-content: center;
}

.landing-v3-copy h1 {
    max-width: 11.5ch;
    font-size: clamp(3.3rem, 8vw, 7rem);
    letter-spacing: -0.055em;
}

.landing-v3-lead {
    max-width: 45rem;
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.82;
    color: var(--muted);
}

.landing-v3-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    margin-top: 0.4rem;
}

.landing-v3-chip,
.landing-story-card,
.landing-surface-card,
.landing-proof-card,
.landing-closing-panel,
.landing-stage-panel,
.stage-mini-card {
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.landing-v3-chip {
    padding: 1rem 1.05rem;
    border-radius: 1.2rem;
}

.landing-v3-chip span,
.landing-story-metrics span,
.stage-lane span {
    display: block;
    color: var(--muted-2);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.landing-v3-chip strong {
    display: block;
    margin-top: 0.45rem;
    font-size: 1.45rem;
}

.landing-v3-stage {
    display: grid;
    gap: 1rem;
}

.landing-stage-panel {
    border-radius: 2rem;
    padding: 1.7rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025)),
        radial-gradient(circle at top right, rgba(110, 200, 255, 0.15), transparent 28%);
}

.landing-stage-panel-primary {
    min-height: 32rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stage-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.stage-live-dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 0.45rem rgba(141, 247, 203, 0.14);
}

.landing-stage-panel h2 {
    max-width: 10ch;
    margin-top: 0.55rem;
}

.landing-stage-panel p {
    margin: 0.9rem 0 0;
    max-width: 35rem;
    color: var(--muted);
    line-height: 1.8;
}

.stage-lane-list {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.4rem;
}

.stage-lane {
    display: grid;
    grid-template-columns: 3.2rem minmax(0, 1fr);
    gap: 0.9rem;
    padding: 1rem 1.05rem;
    border-radius: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
}

.stage-lane strong {
    display: block;
    font-size: 1rem;
}

.stage-lane p {
    margin: 0.35rem 0 0;
    font-size: 0.96rem;
}

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

.stage-mini-card {
    min-height: 9.5rem;
    padding: 1.15rem;
    border-radius: 1.35rem;
}

.stage-mini-card strong {
    display: block;
    margin-top: 0.55rem;
    font-size: 1.18rem;
    line-height: 1.3;
}

.landing-v3-story,
.landing-v3-surfaces,
.landing-v3-proof,
.landing-v3-closing {
    padding-top: 6.5rem;
}

.landing-v3-story {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    gap: 1.5rem;
    align-items: start;
}

.landing-story-sticky {
    position: sticky;
    top: 6rem;
    padding: 1.6rem;
    border-radius: 1.7rem;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
    box-shadow: var(--shadow);
}

.landing-story-sticky h2 {
    max-width: 11ch;
    margin-top: 0.45rem;
}

.landing-story-sticky p {
    margin: 0.95rem 0 0;
    color: var(--muted);
    line-height: 1.8;
}

.landing-story-metrics {
    display: grid;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.landing-story-metrics div {
    padding-top: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-story-metrics strong {
    display: block;
    margin-top: 0.35rem;
    font-size: 1.25rem;
}

.landing-story-cards {
    display: grid;
    gap: 1rem;
}

.landing-story-card {
    min-height: 16rem;
    padding: 1.6rem;
    border-radius: 1.6rem;
}

.story-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3rem;
    height: 2.2rem;
    padding: 0 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.76rem;
}

.landing-story-card h3 {
    margin: 1rem 0 0.85rem;
    font-size: clamp(1.45rem, 2vw, 2rem);
}

.landing-story-card p,
.landing-surface-card p,
.landing-proof-card p,
.landing-closing-panel p {
    margin: 0;
    color: var(--muted);
    line-height: 1.82;
}

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

.landing-surface-card {
    min-height: 16rem;
    padding: 1.45rem;
    border-radius: 1.6rem;
    display: grid;
    align-content: start;
    gap: 0.65rem;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.landing-surface-card:hover,
.landing-proof-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, 0.06);
}

.landing-surface-card-large {
    grid-row: span 2;
    min-height: 34rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
        radial-gradient(circle at top right, rgba(141, 247, 203, 0.16), transparent 26%);
}

.landing-surface-card h3,
.landing-proof-card strong {
    margin: 0.15rem 0 0;
    font-size: 1.45rem;
}

.landing-surface-card ul {
    list-style: none;
    margin: 0.6rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.7rem;
}

.landing-surface-card li {
    color: var(--muted);
    padding-top: 0.7rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-proof-header {
    max-width: 54rem;
    margin-bottom: 1.6rem;
}

.landing-proof-header h2 {
    max-width: 12ch;
    margin-top: 0.45rem;
}

.landing-proof-header p {
    margin: 0.95rem 0 0;
    color: var(--muted);
    line-height: 1.82;
}

.landing-proof-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.landing-proof-card {
    min-height: 15rem;
    padding: 1.35rem;
    border-radius: 1.5rem;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.landing-proof-card strong {
    display: block;
    margin-top: 0.55rem;
}

.landing-closing-panel {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 2rem;
    padding: 2rem;
    border-radius: 2rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
        radial-gradient(circle at top right, rgba(110, 200, 255, 0.16), transparent 24%);
}

.landing-closing-panel h2 {
    max-width: 13ch;
    margin-top: 0.45rem;
}

.landing-closing-panel .hero-actions {
    margin-top: 0;
}
.hero-panel, .launch-panel, .card, .product-card, .split-card, .pricing-card, .dashboard-card, .auth-panel {
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}
.hero-panel { padding: 1.45rem; border-radius: var(--radius-lg); }
.status-card { padding: 0.35rem; }
.status-top, .dashboard-card-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.status-top { margin-bottom: 1.3rem; }
.status-pill, .service-pill {
    padding: 0.34rem 0.72rem;
    border-radius: 999px;
    background: rgba(141, 247, 203, 0.12);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.status-label { color: var(--muted); font-size: 0.9rem; }
.status-list, .feature-list, .data-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.85rem;
}
.status-list li, .data-list li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.03);
}
.status-list span, .data-list span { color: var(--muted); }
.status-foot {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-top: 1.2rem;
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.025);
    color: var(--muted);
}
.status-dot {
    width: 0.7rem; height: 0.7rem; border-radius: 50%;
    background: var(--accent); box-shadow: 0 0 0 0.35rem rgba(141,247,203,0.12); flex: 0 0 auto;
}
.hero-metrics, .launch-metrics, .pricing-grid {
    display: grid; gap: 1rem;
}
.hero-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 2rem; }
.hero-metric, .detail-card, .service-card, .chat-row, .activity-item {
    padding: 1rem 1.05rem;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.03);
}
.metric-kicker, .metric-label, .detail-label, .service-meta, .chat-role, .activity-label, .pricing-tier {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}
.section-heading { margin-bottom: 1.9rem; }
.section-heading.narrow p { max-width: 64ch; }
.grid, .product-grid, .service-grid, .dashboard-grid { display: grid; gap: 1.2rem; }
.cards-3, .product-grid, .pricing-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-grid-wide { align-items: stretch; }
.card, .product-card, .pricing-card, .dashboard-card { padding: 1.45rem; border-radius: 1.45rem; }
.public-studio-shell .studio-layout,
.user-dashboard-main { align-items: start; }
.muted-block { color: var(--muted); line-height: 1.7; }
.compact-asset-list { display: grid; gap: 1rem; }
.result-banner {
    margin-bottom: 0.9rem;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(141, 247, 203, 0.22);
    background: rgba(141, 247, 203, 0.08);
    color: var(--text);
}
.result-banner-soft {
    border-color: rgba(110, 200, 255, 0.18);
    background: rgba(110, 200, 255, 0.07);
}
.output-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.65rem;
}
.copy-button {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--muted);
    border-radius: 999px;
    min-height: 2rem;
    padding: 0 0.9rem;
    cursor: pointer;
}
.copy-button:hover { color: var(--text); border-color: var(--border-strong); }
.app-shell-user .dashboard-card h2,
.public-studio-shell .dashboard-card h2 { max-width: none; }
.user-value-grid .dashboard-card,
.public-studio-shell .dashboard-card { min-height: 100%; }
.free-hero .hero-text,
.user-hero .hero-text { max-width: 62ch; }
.product-tag, .split-tag {
    display: inline-block;
    margin-bottom: 0.95rem;
    padding: 0.28rem 0.72rem;
    border-radius: 999px;
    background: rgba(110, 200, 255, 0.12);
    color: var(--accent-2);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.product-tag-premium, .split-tag-premium, .pricing-card-primary .pricing-tier {
    background: rgba(255,214,107,0.12);
    color: var(--warning);
}
.product-card-premium, .pricing-card-primary {
    border-color: rgba(255,214,107,0.22);
    background:
        radial-gradient(circle at top right, rgba(255,214,107,0.08), transparent 42%),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
        var(--panel);
}
.split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
}
.split-card {
    padding: 1.7rem;
    border-radius: 1.6rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)), var(--panel);
}
.feature-list { margin-top: 1rem; }
.feature-list li { position: relative; padding-left: 1.1rem; line-height: 1.7; }
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0; top: 0.72rem;
    width: 0.42rem; height: 0.42rem; border-radius: 50%; background: var(--accent);
}
.feature-list.compact li { line-height: 1.55; }
.ai-showcase {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    gap: 1.25rem;
}
.chat-preview, .ai-console {
    border-radius: 1.6rem;
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
    padding: 1.4rem;
}
.chat-bubble {
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    max-width: 90%;
    margin-bottom: 0.9rem;
    line-height: 1.65;
}
.chat-user { margin-left: auto; background: rgba(110,200,255,0.12); color: var(--text); }
.chat-ai { background: rgba(255,255,255,0.045); }
.ai-side { display: grid; gap: 1rem; }
.stack-layout { display: grid; gap: 1rem; }
.stack-rail {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 1.2rem;
    align-items: start;
    padding: 1.2rem 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.stack-rail:last-child { border-bottom: 1px solid rgba(255,255,255,0.08); }
.stack-index { color: var(--accent); font-family: "Space Grotesk", sans-serif; font-size: 1.7rem; font-weight: 700; }
.pricing-card { min-height: 100%; }
.pricing-price { display: block; margin-top: 1.2rem; color: var(--text); font-size: 1.1rem; }
.launch-panel {
    padding: 2rem; border-radius: 1.8rem;
    background:
        linear-gradient(160deg, rgba(141, 247, 203, 0.08), transparent 38%),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}
.launch-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 1.8rem; }
.launch-metrics > div { padding: 1rem; border-radius: 1rem; background: var(--panel-strong); border: 1px solid rgba(255,255,255,0.05); }
.launch-note {
    margin-top: 1.6rem;
    display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center;
    color: var(--muted);
}
.launch-note strong { color: var(--text); }

.auth-page { display: flex; flex-direction: column; }
.auth-shell {
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
    padding: 4.5rem 1.5rem 5rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
    gap: 1.4rem;
}
.auth-panel { border-radius: 1.8rem; padding: 2rem; }
.auth-panel-form { display: flex; align-items: center; }
.auth-form { display: grid; gap: 1rem; width: 100%; }
.auth-form label { display: block; margin-bottom: 0.45rem; color: var(--muted); font-size: 0.92rem; }
.auth-form input, .chat-form textarea {
    width: 100%;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.035);
    color: var(--text);
    padding: 0.95rem 1rem;
    outline: none;
}
.auth-form input:focus, .chat-form textarea:focus { border-color: var(--border-strong); }
.auth-submit { width: 100%; margin-top: 0.25rem; }
.auth-note { margin: 0; font-size: 0.95rem; }
.auth-note a { color: var(--accent); }
.feature-stack { display: grid; gap: 1rem; margin-top: 2rem; }

.app-shell { padding-bottom: 5rem; }
.app-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 1.4rem;
    align-items: end;
}
.app-hero-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.dashboard-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
.dashboard-card { min-height: 100%; }
.dashboard-span-2 { grid-column: span 2; }
.service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.service-card.service-up { border-color: rgba(141,247,203,0.18); }
.service-card.service-down { border-color: rgba(255,143,143,0.18); }
.service-top { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.activity-feed { display: grid; gap: 0.9rem; margin-top: 1rem; }
.chat-history {
    margin-top: 1rem;
    border-radius: 1rem;
    min-height: 320px;
    max-height: 540px;
    overflow: auto;
    display: grid;
    gap: 0.85rem;
    padding-right: 0.2rem;
}
.chat-row-user { border-color: rgba(110,200,255,0.18); background: rgba(110,200,255,0.06); }
.chat-row-ai { border-color: rgba(141,247,203,0.12); }
.chat-role { color: var(--muted-2); }
.chat-content { white-space: pre-wrap; }
.chat-form { margin-top: 1.2rem; display: grid; gap: 0.8rem; }
.chat-form textarea { resize: vertical; min-height: 6rem; }
.chat-form-foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.chat-status { color: var(--muted); font-size: 0.92rem; }
.mode-switcher { display: flex; gap: 0.55rem; flex-wrap: wrap; }
.mode-button {
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.035);
    color: var(--muted);
    border-radius: 999px;
    padding: 0.55rem 0.85rem;
    cursor: pointer;
}
.mode-button.active {
    background: rgba(141,247,203,0.12);
    color: var(--text);
    border-color: rgba(141,247,203,0.24);
}

.site-footer {
    max-width: 1240px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.95rem;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
    .hero-large, .app-hero, .ai-showcase, .auth-shell, .cards-3, .product-grid, .pricing-grid, .dashboard-grid, .launch-metrics, .hero-metrics, .split-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-span-2 { grid-column: span 1; }
    .service-grid, .app-hero-stats { grid-template-columns: 1fr; }
    h1, h2 { max-width: none; }
}

@media (max-width: 760px) {
    .site-header { flex-direction: column; align-items: flex-start; }
    .site-nav { width: 100%; }
    .stack-rail { grid-template-columns: 1fr; }
    .chat-form-foot, .status-list li, .data-list li { flex-direction: column; align-items: flex-start; }
    .site-footer { flex-direction: column; }
}

.app-subnav-wrap {
    position: relative;
    z-index: 1;
    max-width: 1240px;
    margin: 0.65rem auto 0;
    padding: 0 1.5rem;
}
.app-subnav {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
    padding: 0.8rem;
    border-radius: 1.2rem;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.028);
    backdrop-filter: blur(12px);
}
.app-subnav a {
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    color: var(--muted);
    border: 1px solid transparent;
    transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}
.app-subnav a.active,
.app-subnav a:hover {
    color: var(--text);
    background: rgba(141,247,203,0.08);
    border-color: rgba(141,247,203,0.16);
}

.dashboard-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.dashboard-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dashboard-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.quick-card { display: grid; gap: 1rem; }
.button-block { width: 100%; }
.compact-list li { padding: 0.75rem 0.85rem; }
.prompt-chips, .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}
.prompt-chip, .tag {
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.035);
    color: var(--text);
    border-radius: 999px;
    padding: 0.45rem 0.78rem;
    font-size: 0.86rem;
}
.prompt-chip { cursor: pointer; }
.prompt-chip:hover { border-color: var(--border-strong); }
.mini-feed {
    display: grid;
    gap: 0.8rem;
}
.mini-feed-item {
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
}
.mini-feed-item strong {
    display: block;
    margin-bottom: 0.35rem;
}
.mini-feed-item span {
    color: var(--muted);
    line-height: 1.6;
}

.studio-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
    gap: 1.25rem;
    align-items: start;
}
.studio-side { display: grid; gap: 1.25rem; }
.content-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
}
.content-form-grid label,
.content-form-grid fieldset {
    display: grid;
    gap: 0.45rem;
    margin: 0;
}
.content-form-grid label span,
.field-label,
.channel-picker legend {
    color: var(--muted);
    font-size: 0.84rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.content-form-grid input,
.content-form-grid textarea,
.content-form-grid select {
    width: 100%;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    color: var(--text);
    padding: 0.95rem 1rem;
}
.content-form-grid textarea { resize: vertical; min-height: 10rem; }
.full-span { grid-column: 1 / -1; }
.channel-picker {
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 1rem;
    padding: 1rem;
}
.channel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
}
.channel-chip {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.8rem 0.9rem;
    border-radius: 0.95rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
}
.channel-chip input { width: auto; margin: 0; }
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.result-shell {
    margin-top: 1.2rem;
    display: grid;
    gap: 1rem;
}
.result-shell.is-empty { display: none; }
.result-card, .output-card, .asset-summary-box {
    padding: 1rem 1.05rem;
    border-radius: 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
}
.result-card h3, .output-card h4 { margin-bottom: 0.6rem; }
.visual-post-card {
    display: grid;
    gap: 0.95rem;
}
.visual-post-preview {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 18px 50px rgba(0,0,0,0.35);
}
.asset-output-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
}
.output-label {
    display: inline-block;
    margin-bottom: 0.55rem;
    color: var(--warning);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.output-card pre,
.asset-summary-box pre,
.log-stream pre,
.result-card pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text);
    font-family: "IBM Plex Sans", sans-serif;
    line-height: 1.68;
}
.muted-line {
    display: block;
    margin-top: 0.45rem;
    color: var(--muted);
    font-size: 0.88rem;
}
.asset-list {
    display: grid;
    gap: 1rem;
}
.asset-item {
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 1.2rem;
    background: rgba(255,255,255,0.025);
    overflow: hidden;
}
.asset-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
}
.asset-item summary::-webkit-details-marker { display: none; }
.asset-item summary span { color: var(--muted); display: block; margin-top: 0.25rem; }
.asset-item > *:not(summary) { margin: 0 1.1rem 1rem; }
.asset-item-wide > *:not(summary) { margin-bottom: 1.1rem; }
.asset-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}
.rules-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}
.brand-grid, .campaign-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
}
.brand-detail-stack {
    display: grid;
    gap: 0.8rem;
    margin: 1rem 0;
}
.drop-card { display: grid; gap: 0.9rem; }
.drop-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.7rem;
}
.priority-high { background: rgba(141,247,203,0.14); color: var(--accent); }
.priority-medium { background: rgba(255,214,107,0.14); color: var(--warning); }
.priority-info { background: rgba(110,200,255,0.14); color: var(--accent-2); }
.compact-actions { margin-top: 0; }
.log-stream {
    display: grid;
    gap: 0.75rem;
    max-height: 32rem;
    overflow: auto;
}
.slim-stream { max-height: 22rem; }
.empty-state {
    padding: 1.4rem;
    border-radius: 1rem;
    border: 1px dashed rgba(255,255,255,0.12);
    color: var(--muted);
    background: rgba(255,255,255,0.02);
}
.mode-switcher-wrap { flex-wrap: wrap; }
.service-grid-compact { grid-template-columns: 1fr; }

.hero-cinematic {
    min-height: 78vh;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 2rem;
    align-items: center;
}
.hero-copy-tight h1 {
    font-size: clamp(3.2rem, 8vw, 6.4rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
    margin: 0.4rem 0 1rem;
}
.hero-text-strong {
    max-width: 42rem;
    font-size: 1.12rem;
    color: var(--text);
}
.hero-panel-cinematic {
    align-self: stretch;
    display: flex;
}
.cinematic-card {
    width: 100%;
    display: grid;
    gap: 1rem;
}
.surface-stack {
    display: grid;
    gap: 0.9rem;
    margin-top: 0.4rem;
}
.surface-chip {
    display: grid;
    gap: 0.2rem;
    padding: 1rem 1.05rem;
    border-radius: 1.1rem;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.surface-chip span {
    color: var(--muted);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.surface-chip strong {
    font-size: 1rem;
}
.surface-chip:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    background: rgba(255,255,255,0.06);
}
.product-scroll-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    gap: 1.5rem;
    align-items: start;
}
.product-scroll-stick {
    position: sticky;
    top: 6rem;
}
.product-stage-card {
    padding: 1.6rem;
    border-radius: 1.6rem;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    box-shadow: var(--shadow);
}
.product-stage-card h3 {
    margin: 0.4rem 0 0.8rem;
    font-size: 1.7rem;
}
.product-stage-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.1rem;
}
.product-stage-mini span {
    padding: 0.5rem 0.8rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
    background: rgba(255,255,255,0.03);
}
.product-scroll-steps {
    display: grid;
    gap: 1rem;
}
.product-step-card,
.app-surface-card,
.proof-card,
.closing-panel {
    border-radius: 1.4rem;
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
}
.product-step-card {
    padding: 1.5rem;
    min-height: 16rem;
}
.product-step-card h3 {
    margin: 0.35rem 0 0.7rem;
    font-size: 1.55rem;
}
.app-surface-grid,
.proof-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}
.app-surface-card,
.proof-card {
    display: grid;
    gap: 0.6rem;
    padding: 1.4rem;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.app-surface-card:hover,
.proof-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    background: rgba(255,255,255,0.06);
}
.app-surface-card h3,
.proof-card strong {
    font-size: 1.35rem;
    margin: 0;
}
.proof-card strong {
    color: var(--text);
}
.closing-panel {
    padding: 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
}
.closing-panel h2 {
    margin: 0.35rem 0 0.7rem;
    font-size: clamp(1.9rem, 4vw, 3rem);
}

@media (max-width: 1080px) {
    .dashboard-grid-4,
    .dashboard-grid-3,
    .dashboard-grid-2,
    .studio-layout,
    .brand-grid,
    .campaign-grid,
    .asset-output-grid,
    .asset-meta-grid,
    .rules-grid,
    .channel-grid {
        grid-template-columns: 1fr;
    }
    .content-form-grid,
    .hero-cinematic,
    .product-scroll-grid,
    .app-surface-grid,
    .proof-grid,
    .landing-v3-hero,
    .landing-v3-story,
    .landing-surface-layout,
    .landing-proof-grid,
    .landing-v3-summary,
    .landing-stage-strip,
    .landing-hero,
    .landing-story-grid,
    .surface-grid-clean,
    .landing-proof-strip,
    .landing-metric-row {
        grid-template-columns: 1fr;
    }
    .product-scroll-stick {
        position: static;
    }
    .landing-story-sticky {
        position: static;
    }
    .landing-surface-card-large {
        grid-row: auto;
        min-height: 22rem;
    }
    .closing-panel,
    .landing-closing-panel,
    .landing-cta-panel {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 720px) {
    .site-header {
        padding-top: 1rem;
        align-items: flex-start;
    }
    body.landing-home .site-header {
        align-items: flex-start;
    }
    .site-controls {
        width: 100%;
        justify-content: space-between;
    }
    body.landing-home .site-nav-landing {
        width: 100%;
        border-radius: 1.2rem;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    body.landing-home .site-nav-landing a {
        justify-content: center;
    }
    .theme-switch { width: 100%; }
    .theme-switch select { width: 100%; }
    .app-subnav-wrap { padding: 0 1rem; }
    .app-subnav { padding: 0.7rem; }
    .form-actions { flex-direction: column; align-items: stretch; }
    .asset-item summary { flex-direction: column; align-items: flex-start; }
    .landing-v3-hero {
        min-height: auto;
        padding-top: 3.2rem;
    }
    .landing-v3-copy h1 {
        font-size: clamp(2.9rem, 12vw, 4.3rem);
        max-width: 9.8ch;
    }
    .landing-stage-panel,
    .landing-story-sticky,
    .landing-story-card,
    .landing-proof-card,
    .landing-surface-card,
    .landing-closing-panel {
        padding: 1.25rem;
        border-radius: 1.35rem;
    }
    .landing-v3-story,
    .landing-v3-surfaces,
    .landing-v3-proof,
    .landing-v3-closing {
        padding-top: 3rem;
    }
    .landing-hero {
        padding-top: 3.5rem;
    }
    .landing-hero-copy,
    .landing-hero-visual,
    .landing-story,
    .landing-surfaces,
    .landing-proof-strip,
    .landing-cta-block {
        padding-top: 2.5rem;
    }
}