/* ═══════════════════════════════════════════
TOKENS
═══════════════════════════════════════════ */

:root {
    --bg: #010808;
    --bg2: #010A0A;
    --bg3: #021212;
    --card: #010D0D;
    --border: rgba(255, 255, 255, 0.07);
    --border2: rgba(255, 255, 255, 0.12);
    --ink: #D3D9DF;
    --ink-mid: rgba(211, 217, 223, 0.6);
    --ink-dim: rgba(211, 217, 223, 0.35);
    --teal: #01B7A5;
    --teal-dim: rgba(1, 183, 165, 0.12);
    --teal-glow: rgba(1, 183, 165, 0.06);
    --serif: 'Instrument Serif', Georgia, serif;
    --sans: 'DM Sans', system-ui, sans-serif;
    --label: 'Syne', system-ui, sans-serif;
    --r: 10px;
}

/* ═══════════════════════════════════════════
RESET & BASE
═══════════════════════════════════════════ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ═══════════════════════════════════════════
GRAIN TEXTURE OVERLAY
═══════════════════════════════════════════ */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    pointer-events: none;
    opacity: 0.4;
}

.page-wrap {
    position: relative;
    z-index: 1;
}

/* ═══════════════════════════════════════════
LAYOUT
═══════════════════════════════════════════ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 32px;
}

section {
    position: relative;
}

/* ═══════════════════════════════════════════
TYPOGRAPHY SYSTEM
═══════════════════════════════════════════ */
.eyebrow {
    font-family: var(--label);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    display: block;
    margin-bottom: 1.2rem;
}

.display-1 {
    font-family: var(--serif);
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 400;
    line-height: 1.04;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.display-2 {
    font-family: var(--serif);
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.display-3 {
    font-family: var(--serif);
    font-size: clamp(1.4rem, 2.5vw, 1.9rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h4 {
    font-family: var(--label);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--ink);
}

.body-lg {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.7;
}

.body-md {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.65;
}

.body-sm {
    font-size: 0.82rem;
    font-weight: 300;
    color: var(--ink-dim);
    line-height: 1.6;
}

em.serif {
    font-family: var(--serif);
    font-style: italic;
    color: var(--teal);
}

/* ═══════════════════════════════════════════
BUTTONS
═══════════════════════════════════════════ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--teal);
    color: #010808;
    font-family: var(--label);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 13px 28px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.btn-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--teal);
    color: #010808;
    font-family: var(--label);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 6px 15px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-header:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--ink-mid);
    font-family: var(--label);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 13px 24px;
    border-radius: 100px;
    border: 1px solid var(--border2);
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.btn-ghost:hover {
    border-color: var(--teal);
    color: var(--ink);
    transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
NAV
═══════════════════════════════════════════ */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(1, 8, 8, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    animation: nav-in 0.6s ease both;
}

@keyframes nav-in {
    from {
    opacity: 0;
    transform: translateY(-8px);
    }

    to {
    opacity: 1;
    transform: translateY(0);
    }
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
}

.nav-logo img {
    height: 10.5px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--ink-mid);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--ink);
}

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

/* ═══════════════════════════════════════════
HERO
═══════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 32px 160px;
    position: relative;
    overflow: hidden;
}

/* Background orb */
.hero-orb {
    position: absolute;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(1, 183, 165, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orb-drift 12s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes orb-drift {
    0% {
    transform: translate(-52%, -52%) scale(1);
    }

    50% {
    transform: translate(-48%, -50%) scale(1.06);
    }

    100% {
    transform: translate(-50%, -48%) scale(0.97);
    }
}

/* Subtle grid lines */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--teal-dim);
    border: 1px solid rgba(1, 183, 165, 0.2);
    border-radius: 100px;
    padding: 6px 16px;
    font-family: var(--label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 2.5rem;
    animation: fade-up 0.8s ease 0.2s both;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
    opacity: 1;
    transform: scale(1);
    }

    50% {
    opacity: 0.5;
    transform: scale(0.8);
    }
}

.hero h1 {
    font-family: var(--serif);
    font-size: clamp(3.2rem, 7vw, 6.2rem);
    font-weight: 400;
    line-height: 1.03;
    letter-spacing: -0.025em;
    color: var(--ink);
    max-width: 900px;
    animation: fade-up 0.9s ease 0.35s both;
}

.hero h1 em {
    font-style: italic;
    color: var(--teal);
}

.hero-tagline {
    font-family: var(--serif);
    font-size: 1.1rem;
    font-style: italic;
    color: rgba(1, 183, 165, 0.7);
    margin-top: 1rem;
    animation: fade-up 0.9s ease 0.45s both;
}

.hero-sub {
    font-size: clamp(1rem, 1.8vw, 1.22rem);
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.7;
    max-width: 580px;
    margin: 1.5rem auto;
    animation: fade-up 0.9s ease 0.5s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1rem;
    animation: fade-up 0.9s ease 0.65s both;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fade-up 0.9s ease 1s both;
}

.hero-scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--teal), transparent);
    animation: scroll-line 2s ease infinite;
}



@keyframes scroll-line {
    0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 1;
    }

    50% {
    transform: scaleY(1);
    transform-origin: top;
    opacity: 1;
    }

    100% {
    transform: scaleY(1);
    transform-origin: bottom;
    opacity: 0;
    }
}

/* ── POPUP ── */
/* Style the popup box itself */
dialog {
    background: var(--card);
    border: none;
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 4px 4px rgba(1, 56, 41, 0.2);
    max-width: 500px;
    width: 100%;
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--ink-mid);
    align-self: center;
    vertical-align: auto;
    margin: auto;
}

/* Style the dark background overlay */
dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

/* Style the internal layout of the popup */
.popup-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-family: var(--label);
    color: var(--ink-mid);
}

.popup-content h2 {
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-family: var(--label);
    color: var(--ink);
}

.btn-popup {
    display: inline-flex;
    align-items: center;
    margin-top: 18px;
    gap: 8px;
    background: var(--teal);
    color: #010808;
    font-family: var(--label);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 13px 24px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
}

.form-input {
    border: none;
    border-radius: 8px;
    padding: 6px;
    font-family: var(--label);
    color: #010808;
    background: var(--ink);
    max-width: 45%;
    width: 100%;
    margin: 6px 2px;
    font-size: 0.9rem;
    font-weight: 300;
    vertical-align: auto;

}

.close-btn {
    border: none;
    align-self: flex-end;
    padding: 6px 12px;
    cursor: pointer;
    display: inline-flex;
    gap: 8px;
    background: transparent;
    color: var(--ink-mid);
    font-family: var(--label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 100px;
    border: 1px solid var(--border2);
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

/* ── PROBLEMS THREE-COL ── */
.problems-three {
    padding: 0 0 80px;
}

.problems-three-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
}

.prob3-card {
    background: var(--card);
    padding: 36px 32px;
    transition: background 0.25s;
}

.prob3-card:hover {
    background: var(--bg3);
}

.prob3-badge {
    display: inline-block;
    font-family: var(--label);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 16px;
    background: rgba(109, 126, 255, 0.08);
    color: rgba(109, 126, 255, 0.9);
}

.prob3-card h4 {
    margin-bottom: 10px;
    font-size: 1rem;
}

.prob3-card .body-sm {
    font-size: 0.88rem;
    color: var(--ink-mid);
    line-height: 1.6;
    font-weight: 300;
}

/* ── INSIGHT: TRIPLE SYSTEM ── */
.insight {
    padding: 120px 0;
    background: var(--card);
}

.insight-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 72px;
}

.insight-header .display-2 {
    margin-bottom: 1rem;
}

.triple-grid {
    display: grid;
    grid-template-columns: 1fr 56px 1fr 56px 1fr;
    gap: 0;
    align-items: stretch;
}

.triple-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 40px;
}

.triple-panel.t-old {}

.triple-panel.t-ik {
    border-color: rgba(1, 183, 165, 0.25);
    background: linear-gradient(135deg, #010D0D 0%, #010808 100%);
    position: relative;
    overflow: hidden;
}

.triple-panel.t-ik::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(1, 183, 165, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.triple-panel.t-agent {
    border-color: rgba(124, 58, 237, 0.25);
    background: linear-gradient(135deg, #0a0510 0%, #010808 100%);
    position: relative;
    overflow: hidden;
}

.triple-panel.t-agent::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.triple-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    position: relative;
}

.triple-divider {
    width: 1px;
    height: 100%;
    background: var(--border);
    position: relative;
}

.triple-divider::before {
    content: '→';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg2);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 1rem;
    color: var(--teal);
    line-height: 36px;
    text-align: center;
}

.triple-divider.agent-div::before {
    color: #a78bfa;
}

.triple-tag {
    font-family: var(--label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}

.triple-tag.muted {
    color: var(--ink-dim);
}

.triple-tag.accent {
    color: var(--teal);
}

.triple-tag.agent-accent {
    color: #a78bfa;
}

.triple-panel .display-3 {
    margin-bottom: 24px;
}

.triple-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.triple-list li {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.5;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.triple-list li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.triple-panel.t-old .triple-list li::before {
    background: rgba(255, 255, 255, 0.2);
}

.triple-panel.t-ik .triple-list li::before {
    background: var(--teal);
}

.triple-panel.t-agent .triple-list li::before {
    background: #a78bfa;
}

.triple-panel.t-ik .triple-list li {
    color: rgba(211, 217, 223, 0.75);
}

.triple-panel.t-agent .triple-list li {
    color: rgba(211, 217, 223, 0.75);
}

.triple-result {
    margin-top: 24px;
    padding: 16px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.55;
}

.triple-result.bad {
    background: rgba(109, 126, 255, 0.08);
    color: rgba(109, 126, 255, 0.9);
}

.triple-result.good {
    background: rgba(1, 183, 165, 0.08);
    color: rgba(1, 183, 165, 0.9);
}

.triple-result.agent {
    background: rgba(124, 58, 237, 0.1);
    color: rgba(167, 139, 250, 0.9);
}

/* ═══════════════════════════════════════════
METRICS STRIP
═══════════════════════════════════════════ */
.metrics-strip {
    background: var(--card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 48px 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    divide: 1px solid var(--border);
}

.metric-cell {
    padding: 0 48px;
    border-right: 1px solid var(--border);
    text-align: center;
}

.metric-cell:last-child {
    border-right: none;
}

.metric-num {
    font-family: var(--serif);
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--teal);
    line-height: 1;
    display: block;
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--ink-mid);
    margin-top: 6px;
    display: block;
}

.metric-sub {
    font-size: 0.72rem;
    color: var(--ink-dim);
    margin-top: 4px;
    display: block;
}

/* ═══════════════════════════════════════════
PROBLEM SECTION
═══════════════════════════════════════════ */
.problem {
    padding: 120px 0;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.problem-text .display-2 {
    margin-bottom: 1.5rem;
}

.problem-text .body-lg {
    max-width: 420px;
    margin-bottom: 2rem;
}

.problem-visual {
    position: relative;
    height: 380px;
}

/* Abstract "static" vs "adaptive" visualization */
.vis-static {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 24px;
    height: 160px;
    overflow: hidden;
}

.vis-static-label {
    font-family: var(--label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 12px;
}

.vis-bar-row {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

.vis-bar {
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
}

.vis-bar.fixed-1 {
    width: 60%;
}

.vis-bar.fixed-2 {
    width: 60%;
}

.vis-bar.fixed-3 {
    width: 60%;
}

.vis-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-family: var(--label);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: rgba(109, 126, 255, 0.12);
    color: #6D7EFF;
    padding: 3px 8px;
    border-radius: 4px;
}

.vis-adaptive {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card);
    border: 1px solid rgba(1, 183, 165, 0.2);
    border-radius: var(--r);
    padding: 24px;
    height: 200px;
    overflow: hidden;
}

.vis-adaptive-label {
    font-family: var(--label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 12px;
}

.vis-ada-bar-row {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

.vis-ada-bar {
    height: 8px;
    border-radius: 4px;
    background: var(--teal);
    opacity: 0.25;
}

.vis-ada-bar.a1 {
    width: 40%;
    opacity: 0.4;
    animation: bar-pulse 3s ease infinite 0s;
}

.vis-ada-bar.a2 {
    width: 70%;
    opacity: 0.65;
    animation: bar-pulse 3s ease infinite 0.4s;
}

.vis-ada-bar.a3 {
    width: 55%;
    opacity: 0.5;
    animation: bar-pulse 3s ease infinite 0.8s;
}

.vis-ada-bar.a4 {
    width: 80%;
    opacity: 0.8;
    animation: bar-pulse 3s ease infinite 1.2s;
}

@keyframes bar-pulse {

    0%,
    100% {
    opacity: 0.3;
    }

    50% {
    opacity: 0.9;
    }
}

.vis-adaptive .vis-badge {
    background: var(--teal-dim);
    color: var(--teal);
}

.vis-connector {
    position: absolute;
    top: 160px;
    left: 50%;
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.08), rgba(1, 183, 165, 0.3));
    transform: translateX(-50%);
}

.vis-connector::after {
    content: 'vs';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg2);
    font-family: var(--label);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--ink-dim);
    padding: 2px 8px;
}

/* ═══════════════════════════════════════════
INSIGHT SECTION
═══════════════════════════════════════════ */
.insight {
    padding: 120px 0;
    background: var(--card);
}

.insight-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 72px;
}

.insight-header .display-2 {
    margin-bottom: 1rem;
}

.dual-grid {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    gap: 0;
    align-items: stretch;
}

.dual-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 40px;
}

.dual-panel.left {
    /* Uses default panel border-radius */
}

.dual-panel.right {
    border-color: rgba(1, 183, 165, 0.2);
    background: linear-gradient(135deg, #010D0D 0%, #010808 100%);
    position: relative;
    overflow: hidden;
}

.dual-panel.right::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(1, 183, 165, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.dual-center {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    position: relative;
}

.dual-divider {
    width: 1px;
    height: 100%;
    background: var(--border);
    position: relative;
}

.dual-divider::before {
    content: '×';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg2);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 1rem;
    color: var(--teal);
    line-height: 36px;
    text-align: center;
}

.dual-tag {
    font-family: var(--label);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}

.dual-tag.muted {
    color: var(--ink-dim);
}

.dual-tag.accent {
    color: var(--teal);
}

.dual-panel .display-3 {
    margin-bottom: 24px;
}

.dual-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dual-list li {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.5;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.dual-list li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.dual-panel.left .dual-list li::before {
    background: rgba(255, 255, 255, 0.2);
}

.dual-panel.right .dual-list li::before {
    background: var(--teal);
}

.dual-panel.right .dual-list li {
    color: rgba(211, 217, 223, 0.75);
}

.dual-result {
    margin-top: 24px;
    padding: 16px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.55;
}

.dual-result.bad {
    background: rgba(109, 126, 255, 0.08);
    color: rgba(109, 126, 255, 0.9);
}

.dual-result.good {
    background: rgba(1, 183, 165, 0.08);
    color: rgba(1, 183, 165, 0.9);
}

/* ═══════════════════════════════════════════
PRODUCT SECTION
═══════════════════════════════════════════ */
.product {
    padding: 120px 0;
}

.product-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 72px;
}

.product-header .display-2 {
    margin-bottom: 1rem;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
}

.cap-card {
    background: var(--card);
    padding: 36px 32px;
    transition: background 0.25s;
    position: relative;
    overflow: hidden;
}

.cap-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--teal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.cap-card:hover {
    background: var(--bg3);
}

.cap-card:hover::after {
    transform: scaleX(1);
}

.cap-icon {
    width: 40px;
    height: 40px;
    background: var(--teal-dim);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.cap-card h4 {
    margin-bottom: 10px;
}

.cap-card .body-sm {
    color: var(--ink-mid);
    font-size: 0.85rem;
    line-height: 1.6;
    font-weight: 300;
}

.cap-tag {
    display: inline-block;
    margin-top: 16px;
    background: var(--teal-dim);
    color: var(--teal);
    font-family: var(--label);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 100px;
}

/* ═══════════════════════════════════════════
HOW IT WORKS
═══════════════════════════════════════════ */
.how {
    padding: 120px 0;
    background: var(--card);
}

.how-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 72px;
}

.how-header .display-2 {
    margin-bottom: 1rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 32px;
    left: calc(16.67% + 24px);
    right: calc(16.67% + 24px);
    height: 1px;
    background: linear-gradient(to right, var(--teal), rgba(1, 183, 165, 0.2), var(--teal));
}

.step {
    padding: 0 32px;
    text-align: center;
    position: relative;
}

.step-num {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-family: var(--serif);
    font-size: 1.4rem;
    color: var(--teal);
    position: relative;
    z-index: 1;
    transition: border-color 0.3s, background 0.3s;
}

.step:hover .step-num {
    border-color: var(--teal);
    background: var(--teal-dim);
}

.step h4 {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.step .body-sm {
    font-size: 0.85rem;
    color: var(--ink-mid);
    font-weight: 300;
    line-height: 1.6;
}

.step-deploy {
    font-family: var(--label);
    font-size: 0.7rem;
    color: var(--teal);
    margin-top: 12px;
    display: block;
}

/* ═══════════════════════════════════════════
USE CASES
═══════════════════════════════════════════ */
.usecases {
    padding: 120px 0;
}

.usecases-header {
    max-width: 560px;
    margin-bottom: 64px;
}

.usecases-header .display-2 {
    margin-bottom: 1rem;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
}

.uc-card {
    background: var(--card);
    padding: 40px;
    transition: background 0.2s;
    position: relative;
}

.uc-card:hover {
    background: var(--bg3);
}

.uc-industry {
    font-family: var(--label);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 12px;
    display: block;
}

.uc-card h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--ink);
}

.uc-card .body-sm {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.65;
}

.uc-impact {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--label);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--teal);
    letter-spacing: 0.04em;
}

.uc-impact::before {
    content: '↑';
    font-size: 0.85rem;
}

/* ═══════════════════════════════════════════
PRIVACY SECTION
═══════════════════════════════════════════ */
.privacy {
    padding: 80px 0;

}

.privacy-inner {
    background: var(--card);
    border: 1px solid rgba(1, 183, 165, 0.15);
    border-radius: var(--r);
    padding: 56px 64px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 40px;
    align-items: start;
}

.privacy-icon {
    width: 56px;
    height: 56px;
    background: var(--teal-dim);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.privacy-title {
    font-family: var(--label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 12px;
}

.privacy-body {
    font-size: 0.92rem;
    font-weight: 300;
    color: var(--ink-mid);
    line-height: 1.7;
    max-width: 720px;
}

/* ═══════════════════════════════════════════
SOCIAL PROOF
═══════════════════════════════════════════ */
.proof {
    padding: 120px 0;
    background: var(--card);
}

.proof-inner {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.quote-mark {
    font-family: var(--serif);
    font-size: 5rem;
    color: var(--teal);
    opacity: 0.25;
    line-height: 1;
    margin-bottom: -1rem;
}

.proof-quote {
    font-family: var(--serif);
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 400;
    font-style: italic;
    color: var(--ink);
    line-height: 1.5;
    margin-bottom: 2rem;
}

.proof-attr {
    font-family: var(--label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-dim);
}

.proof-divider {
    width: 48px;
    height: 1px;
    background: var(--teal);
    margin: 48px auto;
    opacity: 0.4;
}

.proof-creds {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.proof-cred {
    text-align: center;
}

.proof-cred-num {
    font-family: var(--serif);
    font-size: 2rem;
    color: var(--ink);
    line-height: 1;
    display: block;
}

.proof-cred-label {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--ink-dim);
    margin-top: 4px;
    display: block;
}

/* ═══════════════════════════════════════════
WHY NOW
═══════════════════════════════════════════ */
.why-now {
    padding: 120px 0;

}

.why-now-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 64px;
}

.why-now-header .display-2 {
    margin-bottom: 1rem;
}

.forces-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.force-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 32px;
    transition: border-color 0.25s;
}

.force-card:hover {
    border-color: rgba(1, 183, 165, 0.2);
}

.force-icon {
    font-family: var(--label);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--teal);
    background: var(--teal-dim);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 16px;
    display: inline-block;
}

.force-card h4 {
    margin-bottom: 10px;
    font-size: 0.92rem;
}

.force-card .body-sm {
    font-size: 0.85rem;
    color: var(--ink-mid);
    font-weight: 300;
    line-height: 1.65;
}

/* ═══════════════════════════════════════════
CTA
═══════════════════════════════════════════ */
.cta-section {
    padding: 120px 0;
    background: var(--card);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(1, 183, 165, 0.07) 0%, transparent 70%);
    pointer-events: none;
}

.cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-inner .display-2 {
    margin-bottom: 1.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.cta-inner .body-lg {
    max-width: 480px;
    margin: 0 auto 2.5rem;
}

.cta-trust {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--ink-dim);
    font-weight: 300;
}

.trust-item::before {
    content: '✓';
    font-size: 0.7rem;
    color: var(--teal);
    font-weight: 700;
}

/* ═══════════════════════════════════════════
FOOTER
═══════════════════════════════════════════ */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
}

.footer-logo img {
    height: 9px;
    width: auto;
    display: block;
}

.footer-tagline {
    font-size: 0.78rem;
    color: var(--ink-dim);
    font-weight: 300;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.footer-links a {
    font-size: 0.82rem;
    color: var(--ink-dim);
    font-weight: 300;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 0.75rem;
    color: var(--ink-dim);
}

/* ═══════════════════════════════════════════
SCROLL ANIMATIONS
═══════════════════════════════════════════ */
@keyframes fade-up {
    from {
    opacity: 0;
    transform: translateY(24px);
    }

    to {
    opacity: 1;
    transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

.form {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    padding-bottom: var(--footer-height);
}

/* ═══════════════════════════════════════════
RESPONSIVE
═══════════════════════════════════════════ */
/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .container {
    padding: 0 20px;
    }

    .problem-grid {
    grid-template-columns: 1fr;
    }

    .problem-visual {
    display: none;
    }

    .triple-grid {
    grid-template-columns: 1fr;
    }

    .triple-connector {
    display: none;
    }

    .triple-panel {
    border-radius: var(--r);
    margin-bottom: 16px;
    }

    .problems-three-grid {
    grid-template-columns: 1fr;
    }

    .capabilities-grid {
    grid-template-columns: 1fr;
    }

    .steps-grid {
    grid-template-columns: 1fr;
    }

    .steps-grid::before {
    display: none;
    }

    .usecases-grid {
    grid-template-columns: 1fr;
    }

    .forces-grid {
    grid-template-columns: 1fr;
    }

    .metrics-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    }

    .metric-cell {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 32px;
    }

    .metric-cell:last-child {
    border-bottom: none;
    }

    .nav-links {
    display: none;
    }

    .privacy-inner {
    grid-template-columns: 1fr;
    }

    .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    }
}