/* ==========================================================================
   Runestone — Branding service page
   ========================================================================== */

:root,
:root[data-theme="dark"] {
    --bg: #07091a;
    --bg-elev: #0d1024;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-strong: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #ffffff;
    --text-soft: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --topbar-bg: rgba(7, 9, 26, 0.7);
    --display-bg: linear-gradient(135deg, rgba(99, 102, 241, 0.07), rgba(236, 72, 153, 0.04));
    --grid-line: rgba(255, 255, 255, 0.025);
    --btn-primary-bg: #ffffff;
    --btn-primary-text: #0a0e27;
    --gradient: linear-gradient(120deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --accent: #8b5cf6;
    --accent-rgb: 139, 92, 246;
    --max-w: 1100px;
}

:root[data-theme="light"] {
    --bg: #fafafa;
    --bg-elev: #ffffff;
    --surface: rgba(0, 0, 0, 0.03);
    --surface-strong: rgba(0, 0, 0, 0.06);
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.16);
    --text: #0a0a0a;
    --text-soft: #404040;
    --text-muted: #525252;
    --text-dim: #737373;
    --topbar-bg: rgba(250, 250, 250, 0.78);
    --display-bg: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.03));
    --grid-line: rgba(0, 0, 0, 0.04);
    --btn-primary-bg: #0a0a0a;
    --btn-primary-text: #ffffff;
}

/* Concept palettes — override gradient/accent + display typography per concept.
   Heritage/elevated headings adopt the concept's display face; body remains
   Inter so reading flow stays familiar. */
/* Any concept: primary buttons + topbar CTA inherit the brand primary,
   so the page itself reads as the selected world from the very first
   pixel — not just inside d2-d9. */
body[data-concept] {
    --btn-primary-bg: var(--cs-primary);
    --btn-primary-text: var(--cs-primary-ink);
}

body[data-concept="hexagon"] {
    --gradient: linear-gradient(120deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --accent: #8b5cf6;
    --accent-rgb: 139, 92, 246;
    --display-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --display-weight: 800;
    --display-tracking: -0.04em;
    --cs-primary: #6366f1; --cs-primary-ink: #ffffff;
    --cs-accent: #8b5cf6;  --cs-accent-ink: #ffffff;
    --cs-highlight: #ec4899; --cs-highlight-ink: #ffffff;
    --cs-ink: #07091a;     --cs-ink-ink: #fafafa;
    --cs-paper: #fafafa;   --cs-paper-ink: #0a0a0a;
    --icon-stroke: 1.8;
    --icon-cap: round;
    --icon-join: round;
}
body[data-concept="stone"] {
    --gradient: linear-gradient(120deg, #0f766e 0%, #d97706 60%, #b45309 100%);
    --accent: #d97706;
    --accent-rgb: 217, 119, 6;
    --display-font: 'Playfair Display', Georgia, serif;
    --display-weight: 700;
    --display-tracking: -0.02em;
    --cs-primary: #0f766e; --cs-primary-ink: #ffffff;
    --cs-accent: #d97706;  --cs-accent-ink: #ffffff;
    --cs-highlight: #b45309; --cs-highlight-ink: #ffffff;
    --cs-ink: #1c1917;     --cs-ink-ink: #faf5e8;
    --cs-paper: #faf5e8;   --cs-paper-ink: #1c1917;
    --icon-stroke: 2.5;
    --icon-cap: butt;
    --icon-join: miter;
}
body[data-concept="othala"] {
    --gradient: linear-gradient(120deg, #b91c1c 0%, #d4af37 100%);
    --accent: #b91c1c;
    --accent-rgb: 185, 28, 28;
    --display-font: 'Cormorant Garamond', Georgia, serif;
    --display-weight: 600;
    --display-tracking: 0;
    --cs-primary: #b91c1c; --cs-primary-ink: #ffffff;
    --cs-accent: #d4af37;  --cs-accent-ink: #1a1a1a;
    --cs-highlight: #57534e; --cs-highlight-ink: #ffffff;
    --cs-ink: #0a0a0a;     --cs-ink-ink: #fafaf5;
    --cs-paper: #fafaf5;   --cs-paper-ink: #0a0a0a;
    --icon-stroke: 1.2;
    --icon-cap: round;
    --icon-join: round;
}
body[data-concept="monogram"] {
    --gradient: linear-gradient(120deg, #0a0a0a 0%, #ff5b3a 60%, #84cc16 100%);
    --accent: #ff5b3a;
    --accent-rgb: 255, 91, 58;
    --display-font: 'Archivo Black', 'Inter', sans-serif;
    --display-weight: 400;
    --display-tracking: -0.02em;
    --cs-primary: #0a0a0a; --cs-primary-ink: #fafafa;
    --cs-accent: #ff5b3a;  --cs-accent-ink: #ffffff;
    --cs-highlight: #84cc16; --cs-highlight-ink: #0a0a0a;
    --cs-ink: #292524;     --cs-ink-ink: #fef3c7;
    --cs-paper: #fef3c7;   --cs-paper-ink: #0a0a0a;
    --icon-stroke: 2.6;
    --icon-cap: butt;
    --icon-join: miter;
}

/* Surface palette per concept × theme — full page bg / text shifts to the
   concept's Paper / Ink so people feel the brand world from any scroll. */
[data-theme="dark"] body[data-concept="stone"] {
    --bg: #1c1917; --bg-elev: #292524;
    --surface: rgba(250, 245, 232, 0.04);
    --surface-strong: rgba(250, 245, 232, 0.07);
    --border: rgba(250, 245, 232, 0.09);
    --border-strong: rgba(250, 245, 232, 0.16);
    --text: #faf5e8; --text-soft: #d6d3d1; --text-muted: #a8a29e; --text-dim: #78716c;
    --topbar-bg: rgba(28, 25, 23, 0.72);
    --display-bg: linear-gradient(135deg, rgba(15, 118, 110, 0.07), rgba(217, 119, 6, 0.05));
}
[data-theme="light"] body[data-concept="stone"] {
    --bg: #faf5e8; --bg-elev: #ffffff;
    --surface: rgba(28, 25, 23, 0.04);
    --surface-strong: rgba(28, 25, 23, 0.07);
    --border: rgba(28, 25, 23, 0.08);
    --border-strong: rgba(28, 25, 23, 0.18);
    --text: #1c1917; --text-soft: #44403c; --text-muted: #78716c; --text-dim: #a8a29e;
    --topbar-bg: rgba(250, 245, 232, 0.78);
    --display-bg: linear-gradient(135deg, rgba(15, 118, 110, 0.06), rgba(217, 119, 6, 0.05));
}

[data-theme="dark"] body[data-concept="othala"] {
    --bg: #0a0a0a; --bg-elev: #1a1a1a;
    --surface: rgba(250, 250, 245, 0.04);
    --surface-strong: rgba(250, 250, 245, 0.07);
    --border: rgba(250, 250, 245, 0.09);
    --border-strong: rgba(250, 250, 245, 0.18);
    --text: #fafaf5; --text-soft: #d6d3d1; --text-muted: #a8a29e; --text-dim: #78716c;
    --topbar-bg: rgba(10, 10, 10, 0.78);
    --display-bg: linear-gradient(135deg, rgba(185, 28, 28, 0.08), rgba(212, 175, 55, 0.05));
}
[data-theme="light"] body[data-concept="othala"] {
    --bg: #fafaf5; --bg-elev: #ffffff;
    --surface: rgba(10, 10, 10, 0.04);
    --surface-strong: rgba(10, 10, 10, 0.07);
    --border: rgba(10, 10, 10, 0.08);
    --border-strong: rgba(10, 10, 10, 0.18);
    --text: #0a0a0a; --text-soft: #404040; --text-muted: #525252; --text-dim: #737373;
    --topbar-bg: rgba(250, 250, 245, 0.78);
    --display-bg: linear-gradient(135deg, rgba(185, 28, 28, 0.06), rgba(212, 175, 55, 0.05));
}

[data-theme="dark"] body[data-concept="monogram"] {
    --bg: #1f1c18; --bg-elev: #292524;
    --surface: rgba(254, 243, 199, 0.05);
    --surface-strong: rgba(254, 243, 199, 0.09);
    --border: rgba(254, 243, 199, 0.10);
    --border-strong: rgba(254, 243, 199, 0.22);
    --text: #fef3c7; --text-soft: #fde68a; --text-muted: #d6d3d1; --text-dim: #a8a29e;
    --topbar-bg: rgba(31, 28, 24, 0.78);
    --display-bg: linear-gradient(135deg, rgba(255, 91, 58, 0.10), rgba(132, 204, 22, 0.06));
}
[data-theme="light"] body[data-concept="monogram"] {
    --bg: #fef3c7; --bg-elev: #fff9e0;
    --surface: rgba(10, 10, 10, 0.04);
    --surface-strong: rgba(10, 10, 10, 0.08);
    --border: rgba(10, 10, 10, 0.12);
    --border-strong: rgba(10, 10, 10, 0.24);
    --text: #0a0a0a; --text-soft: #292524; --text-muted: #525252; --text-dim: #737373;
    --topbar-bg: rgba(254, 243, 199, 0.82);
    --display-bg: linear-gradient(135deg, rgba(255, 91, 58, 0.08), rgba(132, 204, 22, 0.06));
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; padding: 0; }

::selection { background: rgba(var(--accent-rgb), 0.4); color: #fff; }

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin: 0 0 18px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.muted { color: var(--text-muted); }

.mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88em;
    color: var(--text-dim);
    font-weight: 500;
}

.dot-sep { color: var(--text-dim); }

/* SVG symbol library — present in DOM but visually hidden */
.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ==========================================================================
   Floating concept switcher — fixed on the right edge, every scroll position
   ========================================================================== */

.concept-fab {
    position: fixed;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 8px 10px;
    background: rgba(13, 16, 36, 0.72);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border: 1px solid var(--border);
    border-radius: 100px;
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}

[data-theme="light"] .concept-fab {
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.02) inset;
}

.concept-fab__title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.concept-fab__btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--surface);
    border: 1.5px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
    color: var(--text);
}

.concept-fab__btn:hover {
    background: var(--surface-strong);
    transform: scale(1.05);
}

.concept-fab__btn[aria-selected="true"] {
    background: var(--bg-elev);
    border-color: rgba(var(--accent-rgb), 0.55);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.18);
}

.concept-fab__btn:focus-visible {
    outline: 2px solid rgba(var(--accent-rgb), 0.7);
    outline-offset: 3px;
}

.concept-fab__mark { width: 24px; height: 24px; }
.concept-fab__mark--ink { color: var(--text); }

/* Tooltip-style label appearing on hover */
.concept-fab__label {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-elev);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 5px 12px;
    border-radius: 100px;
    font-size: 11px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.04em;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.concept-fab__btn:hover .concept-fab__label,
.concept-fab__btn:focus-visible .concept-fab__label {
    opacity: 1;
    transform: translate(-2px, -50%);
}

@media (max-width: 720px) {
    .concept-fab {
        right: 50%;
        top: auto;
        bottom: 16px;
        transform: translateX(50%);
        flex-direction: row;
        padding: 8px 12px;
    }
    .concept-fab__title { display: none; }
    .concept-fab__btn { width: 38px; height: 38px; }
    .concept-fab__mark { width: 20px; height: 20px; }
    .concept-fab__label {
        right: auto;
        left: 50%;
        bottom: calc(100% + 10px);
        top: auto;
        transform: translateX(-50%);
    }
    .concept-fab__btn:hover .concept-fab__label,
    .concept-fab__btn:focus-visible .concept-fab__label {
        transform: translate(-50%, -2px);
    }
}

/* Concept marks: hexagon/stone/othala bake their colors into the symbol;
   monogram uses currentColor, so canvases that are theme-fixed need an
   explicit cmark--on-* helper so the mark stays visible. */
.cmark--on-dark  { color: #fafafa; }
.cmark--on-light { color: #0a0a0a; }
[data-concept="monogram"] .cmark             { color: var(--text); }
[data-concept="monogram"] .cmark--on-dark    { color: #fafafa; }
[data-concept="monogram"] .cmark--on-light   { color: #0a0a0a; }

/* "Don't" rules adapt to the active concept */
.cmark--stretched { color: #94a3b8; opacity: 0.85; }
.cmark--stretched use { filter: saturate(0.5); }
.cmark--recolor use { filter: hue-rotate(135deg) saturate(0.55); }

/* Brochure mockup — every fill flows from the concept tokens */
.br-dark    { fill: var(--cs-ink); }
.br-paper   { fill: var(--cs-paper); }
.br-corner  { fill: var(--cs-accent); opacity: 0.45; }
.br-wordmark { fill: var(--cs-ink-ink); }
.br-heading { fill: var(--cs-paper-ink); font-family: 'Inter', sans-serif; }
.br-rule    { stroke: color-mix(in srgb, var(--cs-paper-ink) 15%, transparent); }
.br-line    { fill: color-mix(in srgb, var(--cs-paper-ink) 25%, transparent); }
.br-meta      { fill: color-mix(in srgb, var(--cs-paper-ink) 50%, transparent); font-family: 'JetBrains Mono', monospace; }
.br-meta-dark { fill: color-mix(in srgb, var(--cs-ink-ink)   60%, transparent); font-family: 'JetBrains Mono', monospace; }
.br-c1 { fill: var(--cs-primary); }
.br-c2 { fill: var(--cs-accent); }
.br-c3 { fill: var(--cs-highlight); }
.br-c4 { fill: var(--cs-ink); }
.br-c5 { fill: var(--cs-paper); stroke: color-mix(in srgb, var(--cs-paper-ink) 15%, transparent); }

/* Wordmark typography per concept (HTML + SVG text) */
.mark-wordmark {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: -0.02em;
}

[data-concept="stone"] .mark-wordmark {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: -0.01em;
}

[data-concept="othala"] .mark-wordmark {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 600;
    letter-spacing: 0;
}

[data-concept="monogram"] .mark-wordmark {
    font-family: 'Archivo Black', sans-serif;
    letter-spacing: -0.02em;
}

/* Bilingual lockup wordmark mirrors the active concept */
.bilingual__lockup span {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: -0.04em;
}

[data-concept="stone"] .bilingual__lockup span {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

[data-concept="othala"] .bilingual__lockup span {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 600;
    letter-spacing: 0;
}

[data-concept="monogram"] .bilingual__lockup span {
    font-family: 'Archivo Black', sans-serif;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   Topbar
   ========================================================================== */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--topbar-bg);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1px solid var(--border);
    transition: background-color 0.3s ease;
}

.topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    gap: 12px;
}

.topbar__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

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

.topbar__brand .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient);
}

.topbar__tools {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar__cta {
    padding: 9px 18px;
    border-radius: 100px;
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    border: 1px solid var(--cs-primary);
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 13px;
    font-weight: var(--display-weight, 600);
    letter-spacing: var(--display-tracking, -0.005em);
    transition: transform 0.18s ease, filter 0.18s ease;
}

.topbar__cta:hover { transform: translateY(-1px); filter: brightness(1.06); }

.icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--surface-strong);
    color: var(--text);
    border-color: var(--border-strong);
}

.icon-btn svg { width: 16px; height: 16px; }
.icon-btn .icon-btn__moon { display: none; }
[data-theme="dark"] .icon-btn .icon-btn__sun { display: none; }
[data-theme="dark"] .icon-btn .icon-btn__moon { display: block; }

.lang-btn {
    height: 36px;
    padding: 0 14px;
    border-radius: 100px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.04em;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    background: var(--surface-strong);
    border-color: var(--border-strong);
}

@media (max-width: 540px) {
    .topbar__cta { display: none; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 100px;
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 15px;
    font-weight: var(--display-weight, 500);
    letter-spacing: var(--display-tracking, -0.005em);
    transition: all 0.2s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn--primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); }
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); }
[data-theme="dark"] .btn--primary:hover { box-shadow: 0 10px 30px rgba(255, 255, 255, 0.12); }

.btn--ghost {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border-strong);
}

.btn--ghost:hover { background: var(--surface-strong); }

.btn--lg {
    padding: 18px 28px;
    font-size: 16px;
    font-weight: 600;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.18), transparent 70%);
    top: -200px;
    right: -150px;
    filter: blur(60px);
    pointer-events: none;
}

[data-theme="light"] .hero::after { opacity: 0.5; }

.hero .container { position: relative; z-index: 1; }

.hero__title {
    font-size: clamp(2.5rem, 7vw, 5.25rem);
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: var(--display-weight, 800);
    line-height: 1.05;
    letter-spacing: var(--display-tracking, -0.04em);
    margin: 0 0 28px;
    max-width: 960px;
}

.hero__lede {
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 0 40px;
    line-height: 1.65;
}

.hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero__marquee {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ==========================================================================
   Section base
   ========================================================================== */

.section {
    padding: 88px 0;
    border-top: 1px solid var(--border);
}

.section--intro {
    padding-bottom: 32px;
}

.section--deliverable {
    padding-top: 64px;
    padding-bottom: 64px;
}

.section__header {
    margin-bottom: 56px;
    max-width: 740px;
}

.section__title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: var(--display-weight, 800);
    line-height: 1.05;
    letter-spacing: var(--display-tracking, -0.03em);
    margin: 0 0 20px;
}

.section__lede {
    color: var(--text-muted);
    font-size: 17px;
    line-height: 1.65;
    margin: 0;
}

/* ==========================================================================
   Deliverable header (numbered)
   ========================================================================== */

.deliverable__header {
    display: grid;
    grid-template-columns: 80px 1fr;
    column-gap: 32px;
    row-gap: 0;
    align-items: baseline;
    margin-bottom: 40px;
    max-width: 880px;
}

.deliverable__num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 0.08em;
    padding-top: 6px;
    font-weight: 600;
}

.deliverable__header h2 {
    font-size: clamp(1.65rem, 3.2vw, 2.4rem);
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: var(--display-weight, 700);
    letter-spacing: var(--display-tracking, -0.025em);
    margin: 0 0 12px;
}

.deliverable__header p {
    grid-column: 2;
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.65;
    margin: 0;
}

@media (max-width: 720px) {
    .deliverable__header {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .deliverable__header p { grid-column: 1; }
}

/* ==========================================================================
   01 Logo concepts (cases)
   ========================================================================== */

.cases__hint {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0 0 18px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.02em;
}

.cases {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.case {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    padding: 20px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: left;
    cursor: pointer;
    color: inherit;
    font: inherit;
    font-family: inherit;
    width: 100%;
}

.case:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.case:focus-visible { outline: 2px solid rgba(var(--accent-rgb), 0.6); outline-offset: 2px; }

/* Selected state — driven by [aria-selected="true"] on the button */
.case[aria-selected="true"] {
    border-color: rgba(var(--accent-rgb), 0.4);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.04));
}

.case[aria-selected="true"]:hover { border-color: rgba(var(--accent-rgb), 0.6); }

.case__badge { display: none; }
.case[aria-selected="true"] .case__badge { display: inline-flex; align-items: center; }

.case__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.case__num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.case__badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 100px;
    background: rgba(var(--accent-rgb), 0.18);
    color: var(--accent);
    border: 1px solid rgba(var(--accent-rgb), 0.3);
}

[data-theme="light"] .case__badge {
    background: rgba(var(--accent-rgb), 0.12);
    color: var(--accent);
    border-color: rgba(var(--accent-rgb), 0.24);
}

.case__art {
    aspect-ratio: 1;
    border-radius: 12px;
    background: var(--display-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    padding: 28px;
}

.case__art svg { width: 100%; height: 100%; max-width: 110px; max-height: 110px; }

.case h3 {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 17px;
    font-weight: var(--display-weight, 600);
    margin: 0 0 6px;
    letter-spacing: var(--display-tracking, -0.01em);
}
.case p { font-size: 13.5px; color: var(--text-muted); line-height: 1.55; margin: 0; }
.case p em { color: var(--text); font-style: italic; }

@media (max-width: 900px) { .cases { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cases { grid-template-columns: 1fr; } }

/* ==========================================================================
   02 Color system — adapts to the active concept
   ========================================================================== */

.color-system {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Hero pair: Primary + Accent */
.cs-hero {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 16px;
}

.cs-swatch {
    border-radius: 18px;
    padding: 28px 28px 24px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
    transition: transform 0.25s ease;
}
.cs-swatch:hover { transform: translateY(-2px); }

.cs-swatch--primary { background: var(--cs-primary); color: var(--cs-primary-ink); }
.cs-swatch--accent  { background: var(--cs-accent);  color: var(--cs-accent-ink); }

.cs-swatch__role {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    opacity: 0.72;
    text-transform: uppercase;
}

.cs-swatch__name {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-top: 16px;
}

.cs-swatch__hex {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    opacity: 0.78;
    margin-top: auto;
    padding-top: 28px;
}

/* Generic row block (tints, neutrals, in-use) */
.cs-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    padding: 28px 32px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    align-items: center;
    transition: background-color 0.25s ease;
}
.cs-row:hover { background: var(--surface-strong); }

.cs-row__label { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cs-row__title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text);
    font-weight: 600;
}
.cs-row__sub {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}
.cs-row__content { min-width: 0; }

/* Tint ladder — primary mixed toward paper */
.cs-tints {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}
.cs-tint {
    aspect-ratio: 1.1;
    border-radius: 10px;
    display: flex;
    align-items: flex-end;
    padding: 10px 12px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
}
.cs-tint span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
}
.cs-tint--100 { background: var(--cs-primary); color: var(--cs-primary-ink); }
.cs-tint--75  { background: color-mix(in srgb, var(--cs-primary) 75%, var(--cs-paper)); color: var(--cs-primary-ink); }
.cs-tint--50  { background: color-mix(in srgb, var(--cs-primary) 50%, var(--cs-paper)); color: var(--cs-paper-ink); }
.cs-tint--25  { background: color-mix(in srgb, var(--cs-primary) 25%, var(--cs-paper)); color: var(--cs-paper-ink); }
.cs-tint--10  { background: color-mix(in srgb, var(--cs-primary) 10%, var(--cs-paper)); color: var(--cs-paper-ink); }

/* Highlight + Ink + Paper trio */
.cs-trio {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.cs-mini {
    border-radius: 12px;
    padding: 16px 16px 14px;
    aspect-ratio: 1.6;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
}
.cs-mini__role {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9.5px;
    letter-spacing: 0.16em;
    opacity: 0.7;
    text-transform: uppercase;
}
.cs-mini__name {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-top: 6px;
}
.cs-mini__hex {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    opacity: 0.72;
    margin-top: auto;
}
.cs-mini--highlight { background: var(--cs-highlight); color: var(--cs-highlight-ink); }
.cs-mini--ink       { background: var(--cs-ink);       color: var(--cs-ink-ink); }
.cs-mini--paper     { background: var(--cs-paper);     color: var(--cs-paper-ink); }

/* In-use samples */
.cs-use {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}
.cs-use-btn {
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    padding: 12px 22px;
    border-radius: 100px;
    border: 0;
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: -0.005em;
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
}
.cs-use-btn:hover { transform: translateY(-1px); filter: brightness(1.06); }

.cs-use-pill {
    background: var(--cs-accent);
    color: var(--cs-accent-ink);
    padding: 5px 12px;
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.cs-use-link {
    color: var(--cs-primary);
    font-weight: 600;
    font-size: 14.5px;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1.5px;
}
.cs-use-link:hover { color: var(--cs-accent); }

.cs-use-bar {
    flex: 1;
    min-width: 140px;
    height: 14px;
    border-radius: 100px;
    background: linear-gradient(90deg, var(--cs-primary), var(--cs-accent), var(--cs-highlight));
}

@media (max-width: 760px) {
    .cs-hero { grid-template-columns: 1fr; }
    .cs-row {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 22px;
    }
    .cs-tints { grid-template-columns: repeat(5, 1fr); gap: 6px; }
    .cs-trio { grid-template-columns: 1fr; }
    .cs-mini { aspect-ratio: 2.4; }
}

/* Legacy swatch tokens (kept — still referenced if rolled back) */

/* Color tokens — kept in stylesheet so strict CSP (no inline styles) still applies them */
.s--indigo    { --c: #6366f1; --ink: #ffffff; }
.s--violet    { --c: #8b5cf6; --ink: #ffffff; }
.s--magenta   { --c: #ec4899; --ink: #ffffff; }
.s--midnight  { --c: #07091a; --ink: #ffffff; }
.s--snow      { --c: #fafafa; --ink: #0a0a0a; }

.s--pine      { --c: #0f766e; --ink: #ffffff; }
.s--amber     { --c: #d97706; --ink: #ffffff; }
.s--bronze    { --c: #b45309; --ink: #ffffff; }
.s--bark      { --c: #1c1917; --ink: #ffffff; }
.s--linen     { --c: #faf5e8; --ink: #1c1917; }

.s--crimson   { --c: #b91c1c; --ink: #ffffff; }
.s--gold      { --c: #d4af37; --ink: #1a1a1a; }
.s--slate     { --c: #57534e; --ink: #ffffff; }
.s--onyx      { --c: #0a0a0a; --ink: #fafafa; }
.s--bone      { --c: #fafaf5; --ink: #0a0a0a; }

.s--carbon    { --c: #0a0a0a; --ink: #fafafa; }
.s--vermilion { --c: #ff5b3a; --ink: #ffffff; }
.s--lime      { --c: #84cc16; --ink: #0a0a0a; }
.s--char      { --c: #292524; --ink: #ffffff; }
.s--butter    { --c: #fef3c7; --ink: #0a0a0a; }

/* ==========================================================================
   03 Typography system — adapts to the active concept
   ========================================================================== */

.type-spec {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    overflow: hidden;
}

.type-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    padding: 32px 36px;
    border-bottom: 1px solid var(--border);
    align-items: center;
    transition: background-color 0.25s ease;
}

.type-row:last-child { border-bottom: 0; }
.type-row:hover { background: var(--surface-strong); }

.type-row__meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.type-row__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text);
    font-weight: 600;
}

.type-row__spec {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.type-row__use {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: var(--text-dim);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: 4px;
}

.type-row__sample {
    color: var(--text);
    min-width: 0;
}

.type-row__sample--display {
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    line-height: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.type-row__sample--display .type-row__alt { color: var(--text-soft); }

.type-row__sample--heading {
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    line-height: 1.15;
}

.type-row__sample--body p {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    max-width: 580px;
    margin: 0;
}

.type-row__sample--caption {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.type-row__sample--mono {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.02em;
    color: var(--text-soft);
}

/* Spec strings update when the concept changes */
.type-row__spec::before {
    content: attr(data-spec);
}
.spec--display::before  { content: 'Inter · 800 · 64/72 · -0.04em'; }
.spec--heading::before  { content: 'Inter · 700 · 32/36 · -0.025em'; }
.spec--body::before     { content: 'Inter · 400 · 17/28'; }
.spec--caption::before  { content: 'Inter · 500 · 12 · 0.18em'; }
.spec--mono::before     { content: 'JetBrains Mono · 500 · 14'; }

[data-concept="stone"] .spec--display::before  { content: 'Playfair Display · 700 · 64/72 · -0.02em'; }
[data-concept="stone"] .spec--heading::before  { content: 'Playfair Display · 600 · 32/36 · -0.01em'; }

[data-concept="othala"] .spec--display::before { content: 'Cormorant Garamond · 600 · 64/72'; }
[data-concept="othala"] .spec--heading::before { content: 'Cormorant Garamond · 500 · 32/36'; }

[data-concept="monogram"] .spec--display::before { content: 'Archivo Black · 64/72 · -0.02em'; }
[data-concept="monogram"] .spec--heading::before { content: 'Archivo Black · 32/36 · -0.02em'; }

@media (max-width: 760px) {
    .type-row {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px;
    }
}

/* ==========================================================================
   04 Rules (do / dont)
   ========================================================================== */

.rules {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.rule {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.rule__badge {
    display: inline-block;
    align-self: flex-start;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
    font-family: 'JetBrains Mono', monospace;
}

.rule__badge--do {
    background: rgba(16, 185, 129, 0.18);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.rule__badge--dont {
    background: rgba(239, 68, 68, 0.16);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

[data-theme="light"] .rule__badge--do {
    background: rgba(16, 185, 129, 0.1);
    color: #047857;
    border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="light"] .rule__badge--dont {
    background: rgba(239, 68, 68, 0.08);
    color: #b91c1c;
    border-color: rgba(239, 68, 68, 0.25);
}

.rule__visual {
    border-radius: 12px;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    padding: 20px;
    overflow: hidden;
}

.rule__visual--dark { background: #0a0d20; border: 1px solid rgba(255,255,255,0.08); }
.rule__visual--clear { background: var(--display-bg); border: 1px solid var(--border); }
.rule__visual--stretched { background: var(--display-bg); border: 1px solid var(--border); opacity: 0.7; }
.rule__visual--recolor { background: var(--display-bg); border: 1px solid var(--border); opacity: 0.7; }

.clear-space {
    border: 1px dashed rgba(var(--accent-rgb), 0.4);
    border-radius: 8px;
    padding: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.rule p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

@media (max-width: 900px) { .rules { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .rules { grid-template-columns: 1fr; } }

/* ==========================================================================
   05 Applications
   ========================================================================== */

.apps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-flow: row dense;
    gap: 20px;
    align-items: stretch;
}

.app {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Wide items span 2 columns; visual height matches the rest of the grid */
.app--card     { grid-column: span 2; }
.app--cover    { grid-column: span 2; }
.app--pen      { grid-column: span 2; }
.app--brochure { grid-column: span 2; }

.app__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Unified visual cell — same height for every product mockup */
.mockup {
    height: 230px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--surface), var(--surface-strong));
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.mockup:hover { border-color: var(--border-strong); transform: translateY(-2px); }

.mockup svg {
    width: 100%;
    height: auto;
    max-height: 100%;
}

/* Per-mockup tweaks: all share the theme-aware canvas; only padding differs */
.mockup--pen { padding: 36px 22px; }
.mockup--apparel { padding: 14px; }
.mockup--brochure { padding: 22px; }

/* Business card — themed */
.bizcard {
    height: 230px;
    border-radius: 14px;
    /* dark theme defaults */
    --bizcard-bg: linear-gradient(135deg, color-mix(in srgb, var(--cs-ink) 92%, var(--cs-accent)) 0%, var(--cs-ink) 100%);
    --bizcard-fg: var(--cs-ink-ink);
    --bizcard-fg-soft: color-mix(in srgb, var(--cs-ink-ink) 60%, transparent);
    --bizcard-fg-mute: color-mix(in srgb, var(--cs-ink-ink) 70%, transparent);
    --bizcard-border: color-mix(in srgb, var(--cs-ink-ink) 10%, transparent);
    --bizcard-glow: rgba(var(--accent-rgb), 0.18);
    --bizcard-shadow: 0 24px 60px -20px rgba(var(--accent-rgb), 0.22);
    background: var(--bizcard-bg);
    border: 1px solid var(--bizcard-border);
    color: var(--bizcard-fg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--bizcard-shadow);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .bizcard {
    --bizcard-bg: linear-gradient(135deg, var(--cs-paper) 0%, color-mix(in srgb, var(--cs-paper) 92%, var(--cs-ink)) 100%);
    --bizcard-fg: var(--cs-paper-ink);
    --bizcard-fg-soft: color-mix(in srgb, var(--cs-paper-ink) 60%, transparent);
    --bizcard-fg-mute: color-mix(in srgb, var(--cs-paper-ink) 75%, transparent);
    --bizcard-border: color-mix(in srgb, var(--cs-paper-ink) 10%, transparent);
    --bizcard-glow: rgba(var(--accent-rgb), 0.18);
    --bizcard-shadow: 0 28px 60px -24px rgba(var(--accent-rgb), 0.28), 0 4px 12px -4px rgba(0,0,0,0.08);
}

.bizcard::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 100% 0%, var(--bizcard-glow), transparent 60%);
    pointer-events: none;
}

.bizcard__face { display: contents; }

.bizcard__logo { position: relative; z-index: 1; }

.bizcard__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.bizcard__wordmark {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1;
    color: var(--bizcard-fg);
}

.bizcard__brand .bizcard__logo { display: block; flex-shrink: 0; }

.bizcard__info {
    position: relative;
    z-index: 1;
    margin-top: auto;
}

.bizcard__name {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 17px;
    font-weight: var(--display-weight, 700);
    letter-spacing: var(--display-tracking, -0.01em);
    margin-bottom: 8px;
}

.bizcard__role {
    font-size: 12px;
    color: var(--bizcard-fg-soft);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
}

.bizcard__contacts {
    font-size: 12px;
    color: var(--bizcard-fg-soft);
    letter-spacing: 0.04em;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.bizcard__url {
    margin-top: 8px;
    font-size: 11px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.04em;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    font-weight: 600;
}

/* Email signature */
.emailsig {
    height: 230px;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--cs-ink-ink) 10%, transparent);
    background: color-mix(in srgb, var(--cs-ink) 92%, var(--cs-accent));
    color: var(--cs-ink-ink);
    padding: 24px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
}

[data-theme="light"] .emailsig {
    background: var(--cs-paper);
    color: var(--cs-paper-ink);
    border-color: color-mix(in srgb, var(--cs-paper-ink) 10%, transparent);
}

.emailsig__sub { color: color-mix(in srgb, currentColor 60%, transparent); }

.emailsig__lines { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.emailsig__name { font-family: var(--display-font, 'Inter', sans-serif); font-size: 14px; font-weight: var(--display-weight, 600); letter-spacing: var(--display-tracking, -0.01em); }
.emailsig__sub { font-size: 12px; }
.emailsig__url { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--accent); margin-top: 4px; }

/* Social cover — themed, concept-driven */
.cover {
    height: 230px;
    border-radius: 14px;
    background:
        radial-gradient(circle at 30% 30%, rgba(var(--accent-rgb), 0.55), transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(var(--accent-rgb), 0.32), transparent 60%),
        var(--gradient);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--cs-primary-ink, #fff);
    text-align: center;
    padding: 24px;
    gap: 8px;
}

[data-theme="light"] .cover {
    background:
        radial-gradient(circle at 30% 30%, rgba(var(--accent-rgb), 0.36), transparent 55%),
        radial-gradient(circle at 70% 70%, rgba(var(--accent-rgb), 0.20), transparent 55%),
        linear-gradient(135deg, var(--cs-paper, #f8fafc), #ffffff);
    border: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--cs-paper-ink, #0a0a0a);
    box-shadow: 0 28px 60px -24px rgba(var(--accent-rgb), 0.24), 0 4px 12px -4px rgba(0,0,0,0.06);
}

[data-theme="light"] .cover__tag { color: var(--cs-paper-ink, #525252); opacity: 0.7; }

.cover__logo {
    width: 72px;
    height: 72px;
    padding: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

[data-theme="light"] .cover__logo {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.18), inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* Monogram mark uses currentColor — force ink so it reads on the white puck */
[data-concept="monogram"] .cover__logo { color: #0a0a0a; }

.cover__title {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.cover__tag {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

@media (max-width: 1000px) {
    .apps { grid-template-columns: repeat(2, 1fr); }
    .app--card, .app--cover, .app--pen, .app--brochure { grid-column: span 2; }
}

@media (max-width: 540px) {
    .apps { grid-template-columns: 1fr; }
    .app--card, .app--cover, .app--pen, .app--brochure { grid-column: span 1; }
}

@media (max-width: 560px) {
    .apps { grid-template-columns: 1fr; }
    .app--card, .app--brochure { grid-column: span 1; }
}

/* ==========================================================================
   06 Components — live UI kit driven by concept tokens
   ========================================================================== */

.components {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.comp-block {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    padding: 26px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comp-block__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.comp-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

/* Buttons */
.ui-btn {
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    padding: 10px 18px;
    border-radius: 100px;
    border: 1.5px solid transparent;
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: -0.005em;
    cursor: pointer;
    transition: transform 0.18s ease, filter 0.18s ease;
}
.ui-btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.ui-btn--secondary { background: var(--cs-accent); color: var(--cs-accent-ink); }
.ui-btn--ghost {
    background: transparent;
    border-color: var(--cs-primary);
    color: var(--cs-primary);
}
.ui-btn--sm { padding: 7px 14px; font-size: 12px; }
.ui-btn--lg { padding: 14px 26px; font-size: 15px; }

/* Form */
.ui-field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 130px; }
.ui-field__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.ui-input {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 13.5px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.ui-input:focus {
    outline: none;
    border-color: var(--cs-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.18);
}

/* Toggle */
.ui-toggle, .ui-check {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
}
.ui-toggle input, .ui-check input { display: none; }
.ui-toggle__track {
    width: 36px; height: 20px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 100px;
    position: relative;
    transition: background 0.2s ease, border-color 0.2s ease;
}
.ui-toggle__dot {
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--text);
    position: absolute;
    top: 2px; left: 2px;
    transition: transform 0.2s ease, background 0.2s ease;
}
.ui-toggle input:checked ~ .ui-toggle__track {
    background: var(--cs-primary);
    border-color: var(--cs-primary);
}
.ui-toggle input:checked ~ .ui-toggle__track .ui-toggle__dot {
    transform: translateX(16px);
    background: var(--cs-primary-ink);
}

/* Checkbox */
.ui-check__box {
    width: 18px; height: 18px;
    border: 1.5px solid var(--border-strong);
    border-radius: 5px;
    transition: all 0.18s ease;
    position: relative;
    flex-shrink: 0;
}
.ui-check input:checked ~ .ui-check__box {
    background: var(--cs-primary);
    border-color: var(--cs-primary);
}
.ui-check input:checked ~ .ui-check__box::after {
    content: '';
    position: absolute;
    width: 5px; height: 9px;
    left: 5px; top: 2px;
    border-right: 2px solid var(--cs-primary-ink);
    border-bottom: 2px solid var(--cs-primary-ink);
    transform: rotate(45deg);
}

/* Pills */
.ui-pill {
    padding: 4px 11px;
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.ui-pill--primary   { background: var(--cs-primary);   color: var(--cs-primary-ink); }
.ui-pill--accent    { background: var(--cs-accent);    color: var(--cs-accent-ink); }
.ui-pill--highlight { background: var(--cs-highlight); color: var(--cs-highlight-ink); }
.ui-pill--ghost     { background: transparent; border: 1px solid var(--border-strong); color: var(--text-muted); }

/* Alert */
.ui-alert {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    border-radius: 12px;
    align-items: flex-start;
}
.ui-alert__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cs-primary);
    margin-top: 5px;
    flex-shrink: 0;
}
.ui-alert strong { display: block; font-family: var(--display-font, 'Inter', sans-serif); font-weight: var(--display-weight, 700); font-size: 14px; color: var(--text); letter-spacing: var(--display-tracking, -0.01em); }
.ui-alert p { margin: 4px 0 0; font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* Tabs */
.ui-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
}
.ui-tab {
    background: transparent;
    border: 0;
    padding: 10px 14px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-family: inherit;
    transition: color 0.18s ease, border-color 0.18s ease;
}
.ui-tab:hover { color: var(--text); }
.ui-tab--active {
    color: var(--cs-primary);
    border-bottom-color: var(--cs-primary);
}

/* Segmented */
.ui-segmented {
    display: inline-flex;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 3px;
    align-self: flex-start;
}
.ui-seg {
    background: transparent;
    border: 0;
    padding: 6px 14px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    border-radius: 100px;
    cursor: pointer;
    font-family: inherit;
}
.ui-seg--active {
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
}

@media (max-width: 760px) {
    .components { grid-template-columns: 1fr; }
}

/* ==========================================================================
   07 / 08 Mobile + Web previews
   ========================================================================== */

.device-row {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 56px;
    align-items: center;
}
.device-row--reverse { grid-template-columns: 1fr 1fr; }

.device-meta { align-self: center; }
.device-meta__title {
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    line-height: 1.15;
    margin: 0 0 18px;
    color: var(--text);
}
.device-meta__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.device-meta__list li {
    padding-left: 22px;
    position: relative;
    color: var(--text-muted);
    line-height: 1.55;
    font-size: 15px;
}
.device-meta__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 2px;
    background: var(--cs-primary);
    border-radius: 2px;
}

/* Phone */
.device-phone {
    width: 280px;
    height: 580px;
    background: #1a1a1a;
    border-radius: 42px;
    padding: 8px;
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.55), 0 0 0 1.5px rgba(255,255,255,0.04) inset;
    position: relative;
    justify-self: center;
}
.device-phone__notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 24px;
    background: #1a1a1a;
    border-radius: 0 0 18px 18px;
    z-index: 2;
}
.device-phone__screen {
    width: 100%;
    height: 100%;
    border-radius: 36px;
    overflow: hidden;
    background: var(--cs-paper);
    color: var(--cs-paper-ink);
    display: flex;
    flex-direction: column;
}

.phone-status {
    padding: 14px 24px 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    display: flex;
    justify-content: space-between;
    color: color-mix(in srgb, var(--cs-paper-ink) 70%, transparent);
}
.phone-nav {
    padding: 8px 18px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid color-mix(in srgb, var(--cs-paper-ink) 8%, transparent);
}
.phone-nav__title {
    font-size: 14px;
    font-weight: 700;
    flex: 1;
    color: var(--cs-paper-ink);
}
.phone-nav__icon {
    font-size: 18px;
    color: color-mix(in srgb, var(--cs-paper-ink) 50%, transparent);
}
.phone-hero {
    padding: 18px 18px 16px;
}
.phone-hero__pill {
    display: inline-block;
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    padding: 3px 10px;
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: 12px;
}
.phone-hero__title {
    font-size: 22px;
    line-height: 1.2;
    margin-bottom: 14px;
    color: var(--cs-paper-ink);
}
.phone-hero__cta {
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    border: 0;
    padding: 9px 16px;
    border-radius: 100px;
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: 600;
    font-size: 12.5px;
    cursor: pointer;
}
.phone-list { padding: 4px 18px; flex: 1; overflow: hidden; }
.phone-list__item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 11px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--cs-paper-ink) 6%, transparent);
}
.phone-list__item:last-child { border-bottom: 0; }
.phone-list__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cs-primary);
    margin-top: 6px;
    flex-shrink: 0;
}
.phone-list__dot--accent { background: var(--cs-accent); }
.phone-list__dot--highlight { background: var(--cs-highlight); }
.phone-list__title { font-size: 13.5px; font-weight: 600; color: var(--cs-paper-ink); }
.phone-list__sub { font-size: 11px; color: color-mix(in srgb, var(--cs-paper-ink) 55%, transparent); margin-top: 1px; }
.phone-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid color-mix(in srgb, var(--cs-paper-ink) 8%, transparent);
    background: var(--cs-paper);
    padding-bottom: 8px;
}
.phone-tab {
    background: transparent;
    border: 0;
    padding: 10px 0 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: color-mix(in srgb, var(--cs-paper-ink) 45%, transparent);
    font-size: 9.5px;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
}
.phone-tab__icon { font-size: 17px; line-height: 1; }
.phone-tab--active { color: var(--cs-primary); }

/* Browser */
.device-browser {
    border-radius: 12px;
    overflow: hidden;
    background: var(--cs-paper);
    color: var(--cs-paper-ink);
    border: 1px solid var(--border);
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
}
.device-browser__chrome {
    background: color-mix(in srgb, var(--cs-paper-ink) 6%, var(--cs-paper));
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid color-mix(in srgb, var(--cs-paper-ink) 8%, transparent);
}
.device-browser__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--cs-paper-ink) 18%, transparent);
}
.device-browser__url {
    flex: 1;
    background: var(--cs-paper);
    padding: 5px 12px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: color-mix(in srgb, var(--cs-paper-ink) 55%, transparent);
    text-align: center;
    margin-left: 8px;
    border: 1px solid color-mix(in srgb, var(--cs-paper-ink) 8%, transparent);
}
.device-browser__viewport { padding: 14px 18px 18px; }

.web-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid color-mix(in srgb, var(--cs-paper-ink) 8%, transparent);
}
.web-nav__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--cs-paper-ink);
    font-size: 13.5px;
}
.web-nav__items {
    display: flex;
    gap: 16px;
    align-items: center;
    font-size: 12px;
    color: color-mix(in srgb, var(--cs-paper-ink) 60%, transparent);
}

.web-hero {
    padding: 8px 0 18px;
    text-align: center;
}
.web-hero__eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9.5px;
    letter-spacing: 0.18em;
    color: var(--cs-primary);
    font-weight: 700;
    text-transform: uppercase;
}
.web-hero__title {
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    line-height: 1.1;
    margin: 8px 0 8px;
    color: var(--cs-paper-ink);
}
.web-hero__lede {
    font-size: 12px;
    color: color-mix(in srgb, var(--cs-paper-ink) 60%, transparent);
    margin: 0 auto 14px;
    max-width: 380px;
    line-height: 1.55;
}
.web-hero__cta { display: flex; gap: 8px; justify-content: center; }
.web-hero__cta .ui-btn { padding: 7px 14px; font-size: 12px; }

.web-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.web-card {
    aspect-ratio: 1.4;
    border-radius: 10px;
    background: color-mix(in srgb, var(--cs-paper-ink) 4%, var(--cs-paper));
    border: 1px solid color-mix(in srgb, var(--cs-paper-ink) 8%, transparent);
    padding: 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.web-card__pill {
    align-self: flex-start;
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    padding: 2px 8px;
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.web-card__title {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: var(--display-weight, 700);
    font-size: 14px;
    color: var(--cs-paper-ink);
    letter-spacing: var(--display-tracking, -0.01em);
}

@media (max-width: 920px) {
    .device-row, .device-row--reverse {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .device-phone { justify-self: center; }
}

/* ==========================================================================
   09 Iconography — same 8 glyphs, drawn in the active concept's stroke style
   ========================================================================== */

.iconography {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    padding: 32px 36px;
    position: relative;
}

.iconography__spec {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.iconography__spec::before { content: 'Inter geometric · 1.8px stroke · round caps'; }
[data-concept="stone"]    .iconography__spec::before { content: 'Slab · 2.5px stroke · square caps'; }
[data-concept="othala"]   .iconography__spec::before { content: 'Hairline serif · 1.2px stroke · round caps'; }
[data-concept="monogram"] .iconography__spec::before { content: 'Editorial · 2.6px stroke · square caps'; }

.icons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.icon-cell {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 16px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}
.icon-cell:hover { transform: translateY(-2px); border-color: var(--border-strong); }

.icon-cell span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.icon {
    width: 32px;
    height: 32px;
    color: var(--cs-primary);
    stroke: currentColor;
    stroke-width: var(--icon-stroke, 1.8);
    stroke-linecap: var(--icon-cap, round);
    stroke-linejoin: var(--icon-join, round);
    fill: none;
    transition: stroke-width 0.25s ease;
}

@media (max-width: 760px) {
    .icons-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
    .icons-grid { grid-template-columns: repeat(2, 1fr); }
    .iconography { padding: 22px; }
}

/* ==========================================================================
   10 Voice & Tone — copy register that adapts to the active concept
   ========================================================================== */

.voice {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    overflow: hidden;
}

.voice-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    padding: 30px 36px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}
.voice-row:last-child { border-bottom: 0; }
.voice-row:hover { background: var(--surface-strong); }

.voice-row__meta { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.voice-row__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text);
    font-weight: 600;
}
.voice-row__use {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: var(--text-dim);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.voice-row__sample { color: var(--text); min-width: 0; }
.voice-row__sample--headline {
    font-size: clamp(1.6rem, 3.4vw, 2.6rem);
    line-height: 1.12;
}

.voice-row__sample--body p {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    max-width: 580px;
    margin: 0;
}

.voice-row__sample--cta { display: flex; align-items: center; gap: 12px; }

.voice-row__cta-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 100px;
    background: var(--cs-primary);
    color: var(--cs-primary-ink);
    font-size: 14.5px;
    font-weight: var(--display-weight, 600);
    letter-spacing: var(--display-tracking, -0.005em);
}

@media (max-width: 760px) {
    .voice-row {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 24px;
    }
}

/* ==========================================================================
   11 Bilingual
   ========================================================================== */

.bilingual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.bilingual__card {
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--surface);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: all 0.3s ease;
}

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

.bilingual__lang {
    align-self: flex-start;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
}

.bilingual__lockup {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.bilingual__lockup svg { flex-shrink: 0; }

.bilingual__tag {
    font-size: 16px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.55;
}

@media (max-width: 720px) { .bilingual { grid-template-columns: 1fr; } }

/* ==========================================================================
   Process (steps)
   ========================================================================== */

.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step {
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

.step__num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent);
    margin-bottom: 32px;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.step h3 {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 20px;
    font-weight: var(--display-weight, 600);
    margin: 0 0 10px;
    letter-spacing: var(--display-tracking, -0.01em);
}
.step p { font-size: 14.5px; color: var(--text-muted); line-height: 1.6; margin: 0; }

@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }

/* ==========================================================================
   Whys
   ========================================================================== */

.whys {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.why {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    transition: all 0.3s ease;
}

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

.why h3 {
    font-family: var(--display-font, 'Inter', sans-serif);
    font-size: 19px;
    font-weight: var(--display-weight, 600);
    margin: 0 0 12px;
    letter-spacing: var(--display-tracking, -0.01em);
}
.why p { color: var(--text-muted); font-size: 15px; line-height: 1.65; margin: 0; }

@media (max-width: 720px) { .whys { grid-template-columns: 1fr; } }

/* ==========================================================================
   CTA
   ========================================================================== */

.section--cta { padding: 100px 0; }

.cta-block {
    text-align: center;
    padding: 80px 32px;
    border: 1px solid var(--border-strong);
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(236, 72, 153, 0.05));
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(var(--accent-rgb), 0.18), transparent 60%);
    pointer-events: none;
}

.cta-block > * { position: relative; z-index: 1; }

.cta-block__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-family: var(--display-font, 'Inter', sans-serif);
    font-weight: var(--display-weight, 800);
    line-height: 1.1;
    letter-spacing: var(--display-tracking, -0.03em);
    margin: 8px 0 22px;
}

.cta-block__lede {
    color: var(--text-muted);
    font-size: 17px;
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.65;
}

.cta-block__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

@media (max-width: 600px) {
    .cta-block { padding: 56px 24px; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    border-top: 1px solid var(--border);
    padding: 56px 0 40px;
    margin-top: 80px;
    background: linear-gradient(180deg, transparent, rgba(var(--accent-rgb), 0.04));
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px 48px;
    color: var(--text-muted);
    font-size: 13px;
}

.footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    grid-column: 1;
    grid-row: 1;
}

.footer__wordmark {
    font-size: 20px;
    color: var(--text);
}

.footer__copy {
    grid-column: 1;
    grid-row: 2;
    margin: 0;
    color: var(--text-dim);
    font-size: 12.5px;
    letter-spacing: 0.02em;
}

.footer__meta {
    grid-column: 2;
    grid-row: 1 / span 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11.5px;
}

.footer__powered {
    color: var(--text-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer__home {
    color: var(--accent);
    font-weight: 600;
    transition: filter 0.18s ease;
}
.footer__home:hover { filter: brightness(1.15); text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 640px) {
    .footer__inner {
        grid-template-columns: 1fr;
    }
    .footer__meta {
        grid-column: 1;
        grid-row: 3;
    }
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}

/* ==========================================================================
   Brand kit download (d1) & inline download button (used on bizcard)
   ========================================================================== */

.brand-kit-dl {
    margin-top: 48px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    padding: 28px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--surface), var(--surface-strong));
    border: 1px solid var(--border);
    align-items: center;
}

.brand-kit-dl__eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.brand-kit-dl__title {
    margin: 8px 0 12px;
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
    background: linear-gradient(135deg, #6366f1, #8b5cf6 50%, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-kit-dl__body {
    margin: 0 0 14px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.6;
}

.brand-kit-dl__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 6px;
}

.brand-kit-dl__list li {
    position: relative;
    padding-left: 20px;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.5;
}

.brand-kit-dl__list li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #ec4899);
}

.brand-kit-dl__cta {
    display: flex;
    justify-content: center;
}

.dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
    border-radius: 14px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6 50%, #ec4899);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.005em;
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.dl-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 28px rgba(139, 92, 246, 0.36);
    filter: brightness(1.05);
}

.dl-btn:active {
    transform: translateY(0);
}

.dl-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.dl-btn__label {
    line-height: 1;
}

.dl-btn__meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    opacity: 0.75;
    padding-left: 10px;
    margin-left: 4px;
    border-left: 1px solid rgba(255, 255, 255, 0.35);
    line-height: 1;
}

/* Inline variant for use on the bizcard mockup */
.dl-btn--inline {
    padding: 10px 14px;
    font-size: 13px;
    gap: 8px;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.22);
    align-self: flex-start;
}

.dl-btn--inline svg {
    width: 14px;
    height: 14px;
}

.dl-btn--inline .dl-btn__meta {
    font-size: 10px;
    padding-left: 8px;
    margin-left: 2px;
}

@media (max-width: 768px) {
    .brand-kit-dl {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 22px;
    }
    .brand-kit-dl__cta { justify-content: flex-start; }
    .dl-btn { width: 100%; justify-content: center; }
}