/* ═══════════════════════════════════════════
   FOYL LANDING PAGE
   Aesthetic: Cyber sacred - tradition meets tech
   ═══════════════════════════════════════════ */

:root {
    /* Core palette (from styles.css) */
    --bg-void: #0a0a0c;
    --bg-surface: #121215;
    --bg-panel: #0a0a0a;
    --bg-input: #050505;
    --bg-elevated: #1a1a1f;

    --text-primary: #c8c8c8;
    --text-secondary: #707070;
    --text-muted: #3a3a3a;
    --text-ghost: #222222;

    --red: #a01020;
    --red-bright: #cc1a2e;
    --red-dim: #661018;
    --red-glow: #ff1a30;

    --green: #00cc44;
    --green-bright: #00ff55;
    --green-dim: #005522;
    --green-glow: #00ff41;

    --gold: #8a7a2a;
    --gold-bright: #b8a830;

    --wire: #1a1a1a;
    --wire-light: #252525;
    --wire-bright: #333333;

    /* Landing-specific colors */
    --surface-alpha: rgba(18, 18, 21, 0.65);
    --elevated-alpha: rgba(26, 26, 31, 0.55);
    --border: rgba(42, 42, 50, 0.5);
    --border-solid: #2a2a32;
    --border-bright: rgba(42, 42, 50, 0.8);

    --stream-red: #ff3d00;
    --stream-red-dim: #cc2800;
    --stream-red-glow: rgba(255, 61, 0, 0.4);
    --stream-blue: #4a9eff;
    --terminal: #5a9c6a;

    --bone: #e8e4df;
    --ash: #9a9590;
    --smoke: #6a6560;
    --char: #3a3632;

    /* Typography */
    --font-mono: 'JetBrains Mono', monospace;
    --font-serif: 'Crimson Pro', Georgia, serif;
    --font-display: 'sabbath-black', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--border-solid) var(--bg-void);
}

body {
    background: var(--bg-void);
    color: var(--bone);
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

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

::selection {
    background: var(--red-dim);
    color: var(--text-primary);
}

/* ======================== */
/* HERO BACKGROUND (Shader) */
/* ======================== */
.hero-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-bg canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ======================== */
/* NOISE OVERLAY            */
/* ======================== */
.noise {
    position: fixed;
    inset: -50%;
    width: 200%;
    height: 200%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.035;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation: grain 8s steps(10) infinite;
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-2%, -2%); }
    20% { transform: translate(2%, 1%); }
    30% { transform: translate(-1%, 2%); }
    40% { transform: translate(1%, -1%); }
    50% { transform: translate(-2%, 2%); }
    60% { transform: translate(2%, -2%); }
    70% { transform: translate(-1%, -1%); }
    80% { transform: translate(1%, 2%); }
    90% { transform: translate(-2%, 1%); }
}

/* ======================== */
/* SCROLL CONTENT LAYER     */
/* ======================== */
.scroll-content {
    position: relative;
    z-index: 10;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ======================== */
/* FROSTED GLASS PANE       */
/* ======================== */
.glass-pane {
    background: var(--surface-alpha);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.glass-pane::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='0.015'/%3E%3C/svg%3E");
    pointer-events: none;
}

.glass-pane-elevated {
    background: var(--elevated-alpha);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
}

.glass-pane-hover {
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.glass-pane-hover:hover {
    border-color: rgba(255, 61, 0, 0.3);
    box-shadow: 0 0 40px rgba(255, 61, 0, 0.05), inset 0 0 40px rgba(255, 61, 0, 0.02);
}

/* ======================== */
/* NAV                      */
/* ======================== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: transform 0.4s ease, opacity 0.4s ease, background 0.3s ease;
}

nav.nav-hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

nav.nav-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-sigil {
    display: inline-block;
    height: 1.8rem;
    width: 1.8rem;
    background-color: var(--bone);
    -webkit-mask-image: url('/static/triluna-sigil.svg');
    mask-image: url('/static/triluna-sigil.svg');
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.nav-sigil:hover {
    opacity: 1;
}

.nav-wordmark {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--bone);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--smoke);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover { color: var(--bone); }

.nav-cta {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--stream-red);
    color: var(--stream-red);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.nav-cta:hover {
    background: var(--stream-red);
    color: var(--bg-void);
}

/* ======================== */
/* HERO (Two-Column)        */
/* ======================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 80px 32px;
    position: relative;
}

.hero-split {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 48px;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-copy {
    text-align: left;
    padding: 2rem;
    background: rgba(13, 13, 13, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
}

.hero-wordmark {
    font-family: var(--font-display);
    font-size: clamp(5rem, 12vw, 8rem);
    font-weight: 800;
    font-style: normal;
    letter-spacing: 2px;
    color: #ffffff;
    margin-bottom: 1rem;
    margin-left: 0.14em;
    line-height: 0.85;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.4s;
}

.hero-tagline {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.7s;
}

.tagline-line {
    font-family: var(--font-serif);
    font-weight: 400;
    color: #ffffff;
    display: block;
}

.tagline-contrast {
    font-family: var(--font-serif);
    font-weight: 500;
    font-style: italic;
    color: var(--stream-red);
    display: block;
    margin-top: 4px;
}

.hero-sub {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 400;
    color: var(--smoke);
    max-width: 400px;
    line-height: 1.7;
    letter-spacing: 0.5px;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.9s;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 1.1s;
}

.hero-btn-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.hero-cta-note {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--char);
    letter-spacing: 1px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    padding: 14px 24px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--ash);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--bone);
    border-color: var(--bone);
    color: #0a0a0c;
}

.hero-demo {
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 1.3s;
}

.hero-demo .demo-pane {
    max-height: 480px;
}

.hero-demo .demo-body {
    min-height: 400px;
    max-height: 420px;
    overflow-y: auto;
}

.hero-chat {
    padding: 20px;
}

.hero-scroll-cue {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--char);
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 1.6s;
}

.hero-scroll-cue::after {
    content: '';
    display: block;
    width: 1px;
    height: 32px;
    background: linear-gradient(180deg, var(--char), transparent);
    margin: 8px auto 0;
    animation: pulse-line 2s ease-in-out infinite;
}

@keyframes pulse-line {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* ======================== */
/* BUTTONS                  */
/* ======================== */
.btn-primary {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px 36px;
    background: var(--stream-red);
    color: var(--bg-void);
    border: 1px solid var(--stream-red);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--stream-red-dim);
    border-color: var(--stream-red-dim);
    box-shadow: 0 0 30px var(--stream-red-glow);
    transform: translateY(-1px);
}

.btn-glass {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px 36px;
    background: var(--surface-alpha);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--ash);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-glass:hover {
    border-color: var(--border-bright);
    color: var(--bone);
    background: var(--elevated-alpha);
}

.mid-cta {
    text-align: center;
    padding: 40px 0 60px;
}

.btn-action {
    background: none;
    color: var(--text-muted);
    border: 1px solid var(--wire);
    padding: 0.25rem 0.6rem;
    font-size: 0.63rem;
    font-family: var(--font-mono);
    letter-spacing: 2px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.15s;
}

.btn-action:hover {
    color: var(--text-secondary);
    border-color: var(--wire-bright);
}

/* ======================== */
/* SECTIONS                 */
/* ======================== */
section {
    padding: 60px 0;
    position: relative;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-label.red { color: var(--stream-red); }
.section-label.gold { color: var(--gold-bright); }
.section-label.green { color: var(--terminal); }
.section-label.blue { color: var(--stream-blue); }

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #ffffff;
}

.section-intro {
    color: var(--ash);
    font-size: 17px;
    max-width: 560px;
    line-height: 1.8;
}

/* ======================== */
/* DEMO PANE (Hero)         */
/* ======================== */
.demo-pane {
    padding: 0;
    overflow: hidden;
}

.demo-bar {
    padding: 10px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 26, 31, 0.4);
}

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

.demo-dot:first-child { background: var(--stream-red); }

.demo-audience {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--bone);
    letter-spacing: 2px;
    margin-left: 12px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.demo-phase {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1px;
    padding: 3px 8px;
    border: 1px solid var(--stream-red);
    color: var(--stream-red);
    transition: all 0.4s ease;
}

.demo-phase.sep {
    border-color: var(--gold-bright);
    color: var(--gold-bright);
}

.demo-body {
    padding: 24px;
    min-height: 520px;
}

.demo-body::-webkit-scrollbar { width: 3px; }
.demo-body::-webkit-scrollbar-track { background: transparent; }
.demo-body::-webkit-scrollbar-thumb { background: var(--border-solid); }

.chat-msg {
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.5s ease;
}

.chat-msg.visible {
    opacity: 1;
    transform: translateY(0);
}

.chat-who {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.chat-who.user { color: var(--stream-blue); }
.chat-who.foyl { color: var(--stream-red); }

.chat-body {
    font-size: 14px;
    line-height: 1.7;
    color: var(--ash);
    padding-left: 12px;
    border-left: 2px solid var(--border);
}

.chat-body-text {
    display: inline;
}

.chat-who.foyl + .chat-body,
.chat-body:has(.phase-tag) {
    border-left-color: rgba(255, 61, 0, 0.35);
}

.chat-body-sep {
    border-left-color: rgba(138, 122, 42, 0.4) !important;
}

.phase-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--stream-red);
    margin-right: 6px;
}

.phase-tag.sep {
    color: var(--gold-bright);
}

/* Typewriter cursor */
.typewriter-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--stream-red);
    animation: blink 0.7s infinite;
    vertical-align: text-bottom;
    margin-left: 1px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Phase tag flash */
.phase-tag.flash {
    animation: tagFlash 0.5s ease;
}

@keyframes tagFlash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; text-shadow: 0 0 10px currentColor; }
}

/* ======================== */
/* PHASES (Horizontal)      */
/* ======================== */
.phases-pane {
    padding: 56px 48px;
    margin-bottom: 100px;
}

.phase-stepper-wrap {
    margin-top: 48px;
}

.phase-stepper {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    position: relative;
}

.phase-step {
    flex: 1;
    text-align: center;
    padding: 24px 16px;
    border: 1px solid var(--border);
    border-bottom: 2px solid transparent;
    background: var(--surface-alpha);
    transition: border-color 0.2s ease-out, transform 0.2s ease-out;
    cursor: pointer;
}

.phase-step:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.phase-step.active {
    transform: translateY(0);
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(26, 26, 31, 0.9);
}

/* Phase-specific glow effects */
.phase-step[data-phase="diss"].active {
    box-shadow: 0 0 24px rgba(200, 80, 60, 0.15), 0 0 6px rgba(200, 80, 60, 0.25);
    border-color: rgba(200, 80, 60, 0.25);
}
.phase-step[data-phase="sep"].active {
    box-shadow: 0 0 24px rgba(224, 120, 48, 0.15), 0 0 6px rgba(224, 120, 48, 0.25);
    border-color: rgba(224, 120, 48, 0.25);
}
.phase-step[data-phase="ill"].active {
    box-shadow: 0 0 24px rgba(212, 175, 55, 0.15), 0 0 6px rgba(212, 175, 55, 0.25);
    border-color: rgba(212, 175, 55, 0.25);
}
.phase-step[data-phase="int"].active {
    box-shadow: 0 0 24px rgba(80, 200, 120, 0.15), 0 0 6px rgba(80, 200, 120, 0.25);
    border-color: rgba(80, 200, 120, 0.25);
}
.phase-step[data-phase="forge"].active {
    box-shadow: 0 0 24px rgba(64, 224, 208, 0.15), 0 0 6px rgba(64, 224, 208, 0.25);
    border-color: rgba(64, 224, 208, 0.25);
}

.phase-step .phase-num {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.2s ease-out;
}

/* Phase accent colors */
.phase-step[data-phase="diss"] .phase-num { color: #c8503c; }
.phase-step[data-phase="sep"] .phase-num { color: #e07830; }
.phase-step[data-phase="ill"] .phase-num { color: #d4af37; }
.phase-step[data-phase="int"] .phase-num { color: #50c878; }
.phase-step[data-phase="forge"] .phase-num { color: #40e0d0; }

.phase-step .phase-name {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--bone);
}

.phase-step .phase-tagline {
    font-size: 12px;
    color: var(--char);
    font-style: italic;
    line-height: 1.4;
}

/* Phase Detail Pane */
.phase-detail {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
    position: relative;
}

.phase-detail.open {
    max-height: 320px;
    opacity: 1;
    transition: max-height 0.35s ease-out, opacity 0.25s ease-out 0.05s;
}

.phase-detail-content {
    background: rgba(26, 26, 31, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-top: 1px solid rgba(200, 80, 60, 0.35);
    padding: 24px 28px;
    margin-top: 12px;
    transform: translateY(8px);
    opacity: 0;
    transition: transform 0.25s ease-out, opacity 0.25s ease-out;
}

.phase-detail.open .phase-detail-content {
    transform: translateY(0);
    opacity: 1;
}

.phase-detail-item {
    display: none;
    animation: fadeIn 0.2s ease-out;
}

.phase-detail-item.active {
    display: block;
}

/* What happens text */
.phase-what {
    font-family: var(--font-serif);
    font-size: 14px;
    line-height: 1.7;
    color: var(--ash);
    margin: 0 0 16px 0;
}

/* Example block */
.phase-example {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
    color: var(--char);
    background: rgba(0, 0, 0, 0.25);
    padding: 12px 16px;
    margin-bottom: 12px;
    border-left: 2px solid currentColor;
}

.phase-detail-item[data-phase="diss"] .phase-example { border-left-color: #c8503c; }
.phase-detail-item[data-phase="sep"] .phase-example { border-left-color: #e07830; }
.phase-detail-item[data-phase="ill"] .phase-example { border-left-color: #d4af37; }
.phase-detail-item[data-phase="int"] .phase-example { border-left-color: #50c878; }
.phase-detail-item[data-phase="forge"] .phase-example { border-left-color: #40e0d0; }

.example-speaker {
    font-weight: 600;
    color: var(--ash);
}

.example-speaker.foyl {
    color: var(--bone);
}

/* Output arrow */
.phase-output {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.5px;
    margin: 0;
    opacity: 0.8;
}

.phase-output::before {
    content: "→ ";
}

/* Output uses next phase's color */
.phase-output[data-next="sep"] { color: #e07830; }
.phase-output[data-next="ill"] { color: #d4af37; }
.phase-output[data-next="int"] { color: #50c878; }
.phase-output[data-next="forge"] { color: #40e0d0; }
.phase-output[data-next="done"] { color: var(--bone); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ======================== */
/* USE CASES                */
/* ======================== */
.usecase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 48px;
}

.usecase-card {
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.usecase-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: var(--stream-red);
    transition: height 0.4s ease;
}

.usecase-card:hover::after {
    height: 100%;
}

.usecase-who {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--stream-red);
    margin-bottom: 10px;
}

.usecase-card h3 {
    font-family: var(--font-serif);
    font-size: 21px;
    font-weight: 400;
    margin-bottom: 10px;
}

.usecase-card p {
    color: var(--smoke);
    font-size: 14px;
    line-height: 1.7;
}

/* ======================== */
/* SYCOPHANCY PROBLEM       */
/* ======================== */
.diff-pane {
    padding: 48px;
    margin-top: 48px;
    margin-bottom: 100px;
}

.diff-grid {
    display: grid;
    grid-template-columns: 180px 1fr 1fr;
    gap: 0;
}

/* Header row */
.diff-header-spacer {
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

.diff-header {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.diff-header.them {
    color: var(--ash);
    opacity: 0.9;
    border-right: 1px solid var(--border);
}

.diff-header.us {
    color: var(--stream-red);
}

/* Row labels (left column) */
.diff-row-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--smoke);
    padding: 24px 20px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
}

/* Content cells */
.diff-cell {
    padding: 24px;
    font-size: 14px;
    line-height: 1.7;
    border-bottom: 1px solid var(--border);
}

.diff-cell.them {
    color: var(--ash);
    opacity: 0.85;
    border-right: 1px solid var(--border);
}

.diff-cell.us {
    color: var(--ash);
}

/* Remove bottom border from last row */
.diff-grid > .diff-row-label:last-of-type,
.diff-grid > .diff-cell:nth-last-child(-n+2) {
    border-bottom: none;
}

.diff-cell sup {
    color: var(--stream-red);
    font-size: 11px;
}

.diff-cell em {
    font-style: italic;
    color: var(--bone);
}

.diff-citations {
    margin-top: 0;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.diff-citations p {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
    color: var(--char);
    opacity: 0.6;
    margin-bottom: 12px;
}

.diff-citations a {
    color: var(--char);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.3s ease;
}

.diff-citations a:hover {
    color: var(--stream-red);
}

.diff-citations sup {
    color: var(--stream-red);
    margin-right: 4px;
}

.diff-closing {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--stream-red);
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ======================== */
/* PRICING                  */
/* ======================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.pricing-card {
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: rgba(255, 61, 0, 0.4);
    box-shadow: 0 0 60px rgba(255, 61, 0, 0.04), inset 0 0 60px rgba(255, 61, 0, 0.02);
}

.pricing-card.featured::after {
    content: 'RECOMMENDED';
    position: absolute;
    top: -1px;
    left: 28px;
    font-family: var(--font-mono);
    font-size: 8px;
    letter-spacing: 2px;
    background: var(--stream-red);
    color: var(--bg-void);
    padding: 3px 10px;
    font-weight: 700;
}

.pricing-tier {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--smoke);
    margin-bottom: 14px;
}

.pricing-price {
    font-family: var(--font-serif);
    font-size: 44px;
    font-weight: 300;
    margin-bottom: 4px;
}

.pricing-price span {
    font-size: 15px;
    color: var(--char);
}

.pricing-tagline {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--char);
    line-height: 1.6;
    margin-bottom: 28px;
    letter-spacing: 0.5px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
    flex-grow: 1;
}

.pricing-features li {
    padding: 7px 0;
    font-size: 14px;
    color: var(--ash);
    border-bottom: 1px solid rgba(42, 42, 50, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li::before {
    content: '+';
    font-family: var(--font-mono);
    color: var(--stream-red);
    font-size: 12px;
    flex-shrink: 0;
}

.pricing-note {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--char);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.pricing-card .btn-primary,
.pricing-card .btn-glass {
    width: 100%;
    text-align: center;
    display: block;
}

/* ======================== */
/* FAQ                      */
/* ======================== */
#faq {
    padding-bottom: 60px;
}

.faq-list {
    max-width: 700px;
    margin: 32px auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    color: var(--bone);
    font-family: var(--font-serif);
    font-size: 17px;
    text-align: left;
    cursor: pointer;
    transition: color 0.3s;
    gap: 16px;
}

.faq-question:hover {
    color: var(--stream-red);
}

.faq-icon {
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--stream-red);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--ash);
    font-size: 15px;
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    max-height: 200px;
    padding-bottom: 20px;
}

/* ======================== */
/* FINAL CTA                */
/* ======================== */
.final-section {
    padding: 160px 0;
    text-align: center;
}

.final-pane {
    padding: 72px 56px;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.final-pane h2 {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 20px;
}

.final-pane p {
    color: var(--ash);
    font-size: 17px;
    margin-bottom: 40px;
}

.email-capture {
    margin-top: 32px;
    text-align: center;
}

.email-capture-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--char);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.email-capture-form {
    display: inline-flex;
    gap: 8px;
}

.email-capture-form input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 10px 16px;
    color: var(--bone);
    font-size: 13px;
    width: 240px;
}

.email-capture-success {
    color: var(--gold);
    font-size: 12px;
    margin-top: 12px;
}

/* ======================== */
/* FOOTER                   */
/* ======================== */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 10;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-lockup-link {
    line-height: 0;
}

.footer-lockup {
    height: 48px;
    width: auto;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.footer-lockup-link:hover .footer-lockup {
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--char);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.3s;
}

.footer-links a:hover { color: var(--smoke); }

/* ======================== */
/* AUTH OVERLAY             */
/* ======================== */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9000;
    background: rgba(10, 10, 12, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-box {
    width: 320px;
    text-align: center;
}

.auth-box h2 {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 6px;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-box form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-box input[type="email"],
.auth-box input[type="password"] {
    width: 100%;
    background: var(--bg-input);
    color: var(--text-primary);
    border: none;
    border-bottom: 1px solid var(--wire);
    padding: 0.6rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    outline: none;
}

.auth-box input::placeholder {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.auth-box input:focus {
    border-bottom-color: var(--stream-red);
}

.auth-error {
    font-size: 0.7rem;
    color: var(--red-bright);
    min-height: 1.2em;
    letter-spacing: 1px;
}

.auth-box .btn-primary {
    margin-top: 0.5rem;
    width: 100%;
}

.auth-toggle {
    margin-top: 1.5rem;
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.auth-toggle a {
    color: var(--stream-red);
    text-decoration: none;
    cursor: pointer;
}

.auth-toggle a:hover {
    color: var(--red-bright);
}

.auth-back-btn {
    margin-top: 1.5rem;
    color: var(--text-muted);
    border-color: var(--wire);
    font-size: 0.6rem;
    letter-spacing: 3px;
    padding: 0.4rem 1.5rem;
}

.auth-back-btn:hover {
    color: var(--text-secondary);
    border-color: var(--wire-bright);
}

/* ======================== */
/* ANIMATIONS               */
/* ======================== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ======================== */
/* RESPONSIVE               */
/* ======================== */
@media (max-width: 1024px) {
    .hero-split {
        grid-template-columns: 1fr;
        gap: 32px;
        max-width: 600px;
    }

    .hero-copy {
        text-align: left;
    }

    .hero-actions {
        align-items: flex-start;
    }

    .hero-wordmark {
        font-size: clamp(4rem, 15vw, 7rem);
    }
}

@media (max-width: 768px) {
    section { padding: 48px 0; }
    .container { padding: 0 20px; }

    .hero {
        padding: 60px 24px;
    }

    .hero-copy {
        padding: 1.5rem;
    }

    .hero-wordmark {
        font-size: clamp(3.5rem, 14vw, 5rem);
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .hero-sub {
        font-size: 12px;
        max-width: 100%;
        line-height: 1.6;
    }

    .hero-demo .demo-pane {
        max-height: 360px;
    }

    .hero-demo .demo-body {
        min-height: 300px;
        max-height: 320px;
        padding: 16px;
    }

    /* Phase stepper: stack on mobile */
    .phase-stepper {
        flex-direction: column;
        gap: 12px;
    }

    .phase-step {
        display: flex;
        align-items: center;
        gap: 16px;
        text-align: left;
        padding: 16px;
    }

    .phase-step .phase-num {
        margin-bottom: 0;
        min-width: 32px;
    }

    .phase-step .phase-name {
        margin-bottom: 4px;
    }

    .phase-detail-content {
        padding: 20px;
    }

    .phase-detail-item {
        font-size: 14px;
    }

    .phases-pane { padding: 36px 24px; }
    .diff-pane { padding: 24px 16px; }
    .final-pane { padding: 36px 24px; }

    .usecase-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }

    .diff-grid { grid-template-columns: 1fr 1fr; }
    .diff-header-spacer { display: none; }
    .diff-header { font-size: 11px; padding: 16px; }
    .diff-row-label {
        grid-column: 1 / -1;
        border-right: none;
        padding: 20px 16px 8px;
        font-size: 10px;
    }
    .diff-cell { padding: 8px 16px 20px; font-size: 13px; }
    .diff-cell.them { border-right: 1px solid var(--border); opacity: 1; }
    .diff-citations { padding: 16px 0 0; }
    .diff-citations p { font-size: 10px; }
    .diff-closing { font-size: 10px; margin-top: 24px; padding-top: 16px; }

    .footer-inner { flex-direction: column; gap: 16px; }
    nav { padding: 12px 20px; }
    .nav-links { gap: 16px; }
    .nav-link { display: none; }

    .faq-question {
        font-size: 15px;
        padding: 16px 0;
    }

    .faq-answer {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 20px;
    }

    .hero-copy {
        padding: 1.25rem;
    }

    .hero-wordmark {
        font-size: clamp(3rem, 14vw, 4rem);
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-sub {
        font-size: 11px;
    }

    .nav-wordmark {
        font-size: 1.4rem;
    }

    .btn-primary {
        padding: 12px 28px;
        font-size: 10px;
    }
}