/* =============================================================
   OCAP Landing Page — Full Styles
   ============================================================= */

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

:root {
    --bg: #07060e;
    --bg-card: rgba(18, 14, 30, 0.85);
    --purple: #8b5cf6;
    --purple-dim: rgba(139, 92, 246, 0.15);
    --cyan: #06b6d4;
    --cyan-dim: rgba(6, 182, 212, 0.12);
    --gold: #fbbf24;
    --gold-dim: rgba(251, 191, 36, 0.12);
    --green: #22c55e;
    --green-dim: rgba(34, 197, 94, 0.12);
    --red: #ef4444;
    --red-dim: rgba(239, 68, 68, 0.12);
    --text: #f1f0f5;
    --text-dim: rgba(255, 255, 255, 0.55);
    --border: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(139, 92, 246, 0.25);
    --radius: 18px;
    --radius-sm: 12px;
}

html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ===================== BACKGROUND ===================== */
.landing-bg {
    position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.bg-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(139,92,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139,92,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridDrift 20s linear infinite;
}
@keyframes gridDrift { 0% { transform: translate(0,0); } 100% { transform: translate(60px,60px); } }
.bg-orb {
    position: absolute; border-radius: 50%; filter: blur(100px); animation: orbFloat 16s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: rgba(139,92,246,0.18); top: -15%; left: -10%; }
.orb-2 { width: 400px; height: 400px; background: rgba(6,182,212,0.12); bottom: 10%; right: -8%; animation-delay: -6s; }
.orb-3 { width: 300px; height: 300px; background: rgba(34,197,94,0.08); top: 40%; left: 50%; animation-delay: -10s; }
@keyframes orbFloat {
    0%, 100% { transform: translate(0,0) scale(1); }
    33% { transform: translate(40px,-30px) scale(1.1); }
    66% { transform: translate(-30px,40px) scale(0.9); }
}
#particleCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ===================== NAVBAR ===================== */
.landing-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(7,6,14,0.7); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s, box-shadow 0.3s;
}
.landing-nav.scrolled { background: rgba(7,6,14,0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.4); }
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 70px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-logo { width: 36px; height: 36px; }
.nav-brand-text { font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: 16px; }
.nav-brand-accent { color: var(--cyan); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
    font-size: 14px; font-weight: 500; color: var(--text-dim); transition: color 0.3s; position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--cyan); transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
    padding: 8px 20px; border-radius: 10px; font-size: 13px; font-weight: 600;
    background: linear-gradient(135deg, var(--purple), #6d28d9); color: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(139,92,246,0.4); }
.nav-hamburger {
    display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px;
}
.nav-hamburger span {
    width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ===================== HERO ===================== */
.hero {
    position: relative; z-index: 10; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 100px 24px 60px; max-width: 1200px; margin: 0 auto; gap: 60px;
}
.hero-content { flex: 1; max-width: 580px; }
.hero-visual { flex: 0 0 380px; display: flex; justify-content: center; align-items: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--green-dim); border: 1px solid rgba(34,197,94,0.25);
    border-radius: 30px; padding: 6px 16px; font-size: 12px; font-weight: 600; color: var(--green);
    margin-bottom: 24px; animation: fadeInUp 0.8s ease forwards;
}
.hero-title {
    font-family: 'Orbitron', sans-serif; font-size: clamp(28px, 5vw, 52px);
    font-weight: 800; line-height: 1.15; margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.15s forwards; opacity: 0;
}
.gradient-text {
    background: linear-gradient(135deg, var(--purple), #a78bfa, var(--purple));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-text-cyan {
    background: linear-gradient(135deg, #06b6d4, #22d3ee, #67e8f9);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
    font-size: 16px; color: var(--text-dim); max-width: 480px; margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.3s forwards; opacity: 0;
}
.hero-subtitle strong { color: var(--cyan); }
.hero-stats {
    display: flex; align-items: center; gap: 24px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 24px; margin-bottom: 36px;
    animation: fadeInUp 0.8s ease 0.45s forwards; opacity: 0;
}
.hero-stat { text-align: center; flex: 1; }
.stat-value { font-family: 'Orbitron', sans-serif; font-size: 24px; font-weight: 800; color: var(--cyan); }
.stat-label { font-size: 11px; color: var(--text-dim); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-actions {
    display: flex; gap: 14px; flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s forwards; opacity: 0;
}

/* Buttons */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 14px; font-size: 15px; font-weight: 700;
    background: linear-gradient(135deg, var(--purple), #7c3aed);
    color: #fff; border: none; cursor: pointer; transition: all 0.3s; text-decoration: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(139,92,246,0.45); }
.btn-glow { box-shadow: 0 0 20px rgba(139,92,246,0.3); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 14px; font-size: 15px; font-weight: 600;
    background: rgba(255,255,255,0.06); border: 1px solid var(--border);
    color: var(--text); cursor: pointer; transition: all 0.3s; text-decoration: none;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.15); }
.btn-xl { padding: 18px 40px; font-size: 17px; border-radius: 16px; }

/* Hero Doc Visual */
.hero-doc-scene {
    position: relative; width: 300px; height: 300px;
    animation: fadeIn 1s ease 0.5s forwards; opacity: 0;
}
.hero-doc {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 110px; height: 110px; z-index: 5;
}
.doc-face {
    width: 100%; height: 100%; border-radius: 24px;
    background: linear-gradient(145deg, rgba(139,92,246,0.15), rgba(6,182,212,0.15));
    border: 1px solid rgba(139,92,246,0.3);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 40px rgba(139,92,246,0.3);
    animation: docFloat 6s ease-in-out infinite;
}
@keyframes docFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.doc-glow {
    position: absolute; inset: -20px; border-radius: 50%;
    background: radial-gradient(circle, rgba(139,92,246,0.2) 0%, transparent 70%);
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.15); } }
.doc-orbit {
    position: absolute; top: 50%; left: 50%; border-radius: 50%;
    border: 1px dashed rgba(6,182,212,0.2); animation: orbitSpin 20s linear infinite;
}
.doc-orbit.orbit-1 { width: 180px; height: 180px; margin: -90px 0 0 -90px; }
.doc-orbit.orbit-2 { width: 240px; height: 240px; margin: -120px 0 0 -120px; animation-duration: 28s; animation-direction: reverse; }
.doc-orbit.orbit-3 { width: 290px; height: 290px; margin: -145px 0 0 -145px; animation-duration: 35s; }
.orbit-dot {
    position: absolute; top: -4px; left: 50%; margin-left: -4px;
    width: 8px; height: 8px; border-radius: 50%; background: var(--purple);
    box-shadow: 0 0 12px var(--purple);
}
@keyframes orbitSpin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.floating-tag {
    position: absolute; font-size: 12px; font-weight: 600;
    padding: 6px 12px; border-radius: 20px; display: flex; align-items: center; gap: 5px;
    animation: floatTag 4s ease-in-out infinite;
}
.floating-tag.t1 { top: 10%; right: 5%; background: var(--cyan-dim); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); }
.floating-tag.t2 { bottom: 20%; left: 0; background: var(--green-dim); color: var(--green); border: 1px solid rgba(34,197,94,0.3); animation-delay: -1.3s; }
.floating-tag.t3 { top: 55%; right: -5%; background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(139,92,246,0.3); animation-delay: -2.6s; }
@keyframes floatTag { 0%,100% { transform: translateY(0); opacity: 0.8; } 50% { transform: translateY(-12px); opacity: 1; } }

/* ===================== SECTIONS (shared) ===================== */
.section { position: relative; z-index: 10; padding: 100px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block; font-family: 'Orbitron', sans-serif; font-size: 11px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase; color: var(--purple);
    background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2);
    padding: 5px 14px; border-radius: 20px; margin-bottom: 16px;
}
.section-title {
    font-family: 'Orbitron', sans-serif; font-size: clamp(24px, 4vw, 38px);
    font-weight: 800; margin-bottom: 14px;
}
.section-desc { font-size: 15px; color: var(--text-dim); max-width: 620px; margin: 0 auto; }
.section-desc strong { color: var(--text); }

/* Reveal animation base */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===================== WHAT IS OCAP ===================== */
.protocol-party-visual {
    display: flex; align-items: center; justify-content: center; gap: 24px;
    margin-bottom: 48px;
}
.party-box {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 20px 32px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 14px; font-weight: 600;
}
.party-box i { font-size: 36px; color: var(--cyan); }
.party-link { font-size: 32px; color: var(--purple); animation: floatTag 3s ease-in-out infinite; }
.protocol-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px 22px; transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.pillar-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: 0 12px 40px rgba(139,92,246,0.15); }
.pillar-icon {
    width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px;
    background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--purple);
}
.pillar-icon.cyan { background: var(--cyan-dim); border-color: rgba(6,182,212,0.2); color: var(--cyan); }
.pillar-icon.gold { background: var(--gold-dim); border-color: rgba(251,191,36,0.2); color: var(--gold); }
.pillar-card h3 { font-family: 'Orbitron', sans-serif; font-size: 14px; font-weight: 700; margin-bottom: 10px; }
.pillar-card p { font-size: 13px; color: var(--text-dim); line-height: 1.6; margin-bottom: 14px; }
.pillar-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 11px; font-weight: 700; color: var(--purple);
    background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2);
    padding: 4px 12px; border-radius: 20px;
}
.pillar-badge.cyan { color: var(--cyan); background: var(--cyan-dim); border-color: rgba(6,182,212,0.2); }
.pillar-badge.gold { color: var(--gold); background: var(--gold-dim); border-color: rgba(251,191,36,0.2); }

/* ===================== FEATURES ===================== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px 22px; transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--border-glow); box-shadow: 0 10px 30px rgba(139,92,246,0.12); }
.feature-icon {
    width: 48px; height: 48px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 24px;
}
.feature-icon.purple { background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2); color: var(--purple); }
.feature-icon.cyan { background: var(--cyan-dim); border: 1px solid rgba(6,182,212,0.2); color: var(--cyan); }
.feature-icon.green { background: var(--green-dim); border: 1px solid rgba(34,197,94,0.2); color: var(--green); }
.feature-icon.gold { background: var(--gold-dim); border: 1px solid rgba(251,191,36,0.2); color: var(--gold); }
.feature-card h3 { font-family: 'Orbitron', sans-serif; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-dim); line-height: 1.6; }

/* ===================== HOW IT WORKS (LIFECYCLE) ===================== */
.lifecycle-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.lifecycle-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px 20px; text-align: center; position: relative;
    transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.lifecycle-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: 0 12px 40px rgba(139,92,246,0.15); }
.lc-step {
    font-family: 'Orbitron', sans-serif; font-size: 42px; font-weight: 900;
    color: rgba(139,92,246,0.08); position: absolute; top: 10px; right: 16px;
}
.lc-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 16px; margin-bottom: 16px;
    background: linear-gradient(135deg, var(--purple-dim), rgba(139,92,246,0.08));
    border: 1px solid rgba(139,92,246,0.2); font-size: 26px; color: var(--purple);
}
.lc-icon.cyan { background: linear-gradient(135deg, var(--cyan-dim), rgba(6,182,212,0.08)); border-color: rgba(6,182,212,0.2); color: var(--cyan); }
.lc-icon.gold { background: linear-gradient(135deg, var(--gold-dim), rgba(251,191,36,0.08)); border-color: rgba(251,191,36,0.2); color: var(--gold); }
.lc-icon.green { background: linear-gradient(135deg, var(--green-dim), rgba(34,197,94,0.08)); border-color: rgba(34,197,94,0.2); color: var(--green); }
.lifecycle-card h3 { font-family: 'Orbitron', sans-serif; font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.lifecycle-card p { font-size: 12px; color: var(--text-dim); line-height: 1.55; }

/* ===================== ARCHITECTURE ===================== */
.arch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
.arch-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 32px 28px; transition: transform 0.4s, border-color 0.4s;
}
.arch-card:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.arch-card-header { margin-bottom: 20px; }
.arch-badge {
    display: inline-flex; font-family: 'Orbitron', sans-serif; font-size: 10px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase; padding: 4px 12px; border-radius: 20px; margin-bottom: 10px;
}
.arch-badge.purple { color: var(--purple); background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2); }
.arch-badge.cyan { color: var(--cyan); background: var(--cyan-dim); border: 1px solid rgba(6,182,212,0.2); }
.arch-card-header h3 { font-family: 'Orbitron', sans-serif; font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.arch-subtitle { font-size: 13px; color: var(--text-dim); }
.arch-items { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.arch-items li {
    display: flex; align-items: flex-start; gap: 12px; font-size: 13px; color: var(--text-dim);
    padding: 10px 14px; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius-sm); transition: border-color 0.3s;
}
.arch-items li:hover { border-color: var(--border-glow); }
.arch-items li i { font-size: 18px; color: var(--purple); flex-shrink: 0; margin-top: 1px; }
.arch-items li strong { color: var(--text); }
.arch-quote {
    text-align: center; padding: 28px; background: var(--bg-card); border: 1px solid var(--border-glow);
    border-radius: var(--radius); display: flex; align-items: center; gap: 16px; justify-content: center;
}
.arch-quote i { font-size: 28px; color: var(--cyan); flex-shrink: 0; }
.arch-quote p { font-size: 14px; color: var(--text-dim); line-height: 1.7; max-width: 700px; }
.arch-quote em { color: var(--text); font-style: normal; font-weight: 600; }

/* ===================== 3-LAYER ARBITRATION ===================== */
.arb-layers { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 0; }
.arb-layer {
    display: flex; gap: 20px; padding: 28px; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius);
    transition: border-color 0.4s, box-shadow 0.4s;
}
.arb-layer:hover { border-color: var(--border-glow); box-shadow: 0 8px 30px rgba(139,92,246,0.12); }
.arb-layer.final { border-color: rgba(251,191,36,0.3); }
.arb-layer.final:hover { box-shadow: 0 8px 30px rgba(251,191,36,0.15); }
.arb-layer-num {
    font-family: 'Orbitron', sans-serif; font-size: 32px; font-weight: 900;
    color: rgba(139,92,246,0.15); flex-shrink: 0; width: 40px; text-align: center;
}
.arb-layer-icon {
    width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
    background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--purple);
}
.arb-layer-icon.cyan { background: var(--cyan-dim); border-color: rgba(6,182,212,0.2); color: var(--cyan); }
.arb-layer-icon.gold { background: var(--gold-dim); border-color: rgba(251,191,36,0.2); color: var(--gold); }
.arb-layer-content { flex: 1; }
.arb-layer-content h3 { font-family: 'Orbitron', sans-serif; font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.arb-layer-content > p { font-size: 13px; color: var(--text-dim); line-height: 1.6; margin-bottom: 12px; }
.arb-layer-content ul { list-style: none; display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.arb-layer-content li { font-size: 12px; color: var(--text-dim); display: flex; align-items: flex-start; gap: 6px; }
.arb-layer-content li i { color: var(--green); font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.arb-layer-content li strong { color: var(--text); }
.arb-cost {
    display: inline-flex; font-size: 11px; font-weight: 700; padding: 4px 12px;
    border-radius: 20px;
}
.arb-cost.free { color: var(--green); background: var(--green-dim); border: 1px solid rgba(34,197,94,0.2); }
.arb-cost.paid { color: var(--gold); background: var(--gold-dim); border: 1px solid rgba(251,191,36,0.2); }
.arb-cost.final { color: var(--gold); background: var(--gold-dim); border: 1px solid rgba(251,191,36,0.2); }
.arb-escalation {
    text-align: center; padding: 12px 0; font-size: 12px; font-weight: 600;
    color: var(--text-dim); display: flex; align-items: center; justify-content: center; gap: 6px;
}
.arb-escalation i { font-size: 16px; color: var(--purple); }

/* ===================== NFC AUTHENTICATION ===================== */
.nfc-flow {
    display: flex; align-items: flex-start; justify-content: center; gap: 0; flex-wrap: wrap;
}
.nfc-step {
    flex: 0 0 160px; text-align: center; padding: 24px 16px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform 0.4s, border-color 0.4s;
    position: relative;
}
.nfc-step:hover { transform: translateY(-4px); border-color: var(--cyan); }
.nfc-num {
    position: absolute; top: 8px; right: 12px;
    font-family: 'Orbitron', sans-serif; font-size: 12px; font-weight: 800;
    color: var(--cyan); background: var(--cyan-dim); border-radius: 50%;
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
}
.nfc-step > i { font-size: 32px; color: var(--cyan); display: block; margin-bottom: 12px; }
.nfc-step h4 { font-family: 'Orbitron', sans-serif; font-size: 11px; font-weight: 700; margin-bottom: 6px; }
.nfc-step p { font-size: 11px; color: var(--text-dim); line-height: 1.4; }
.nfc-arrow {
    display: flex; align-items: center; padding-top: 40px; width: 28px;
    color: var(--cyan); font-size: 16px;
}

/* ===================== ON-CHAIN STORAGE ===================== */
.immutable-blocks {
    display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 48px;
}
.imm-block {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 20px 24px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); min-width: 140px;
    transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
    cursor: default; position: relative;
}
.imm-block::after {
    content: ''; position: absolute; inset: 0; border-radius: var(--radius);
    pointer-events: none; border: 2px solid transparent; transition: border-color 0.3s;
}
.imm-block:hover { transform: translateY(-4px); border-color: var(--cyan); box-shadow: 0 8px 24px rgba(6,182,212,0.15); }
.imm-block:hover::after { border-color: var(--cyan); }
.imm-block i { font-size: 28px; color: var(--cyan); }
.imm-block span { font-size: 12px; font-weight: 700; }
.imm-block small { font-size: 9px; font-weight: 700; letter-spacing: 1px; color: var(--green); text-transform: uppercase; }

.compare-boxes { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 700px; margin: 0 auto; }
.compare-box {
    padding: 24px; border-radius: var(--radius); border: 1px solid var(--border);
}
.compare-box.bad { background: rgba(239,68,68,0.05); border-color: rgba(239,68,68,0.2); }
.compare-box.good { background: rgba(34,197,94,0.05); border-color: rgba(34,197,94,0.2); }
.compare-label {
    display: flex; align-items: center; gap: 8px; font-family: 'Orbitron', sans-serif;
    font-size: 13px; font-weight: 700; margin-bottom: 14px;
}
.compare-box.bad .compare-label { color: var(--red); }
.compare-box.good .compare-label { color: var(--green); }
.compare-box ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.compare-box li { font-size: 13px; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }
.compare-box.bad li::before { content: '\2717'; color: var(--red); font-weight: 700; }
.compare-box.good li::before { content: '\2713'; color: var(--green); font-weight: 700; }

/* ===================== PAYMENT SYSTEM ===================== */
.payment-flow {
    display: flex; align-items: flex-start; justify-content: center; gap: 0; flex-wrap: wrap;
    margin-bottom: 32px;
}
.pay-stage {
    flex: 0 0 180px; text-align: center; padding: 28px 20px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform 0.4s, border-color 0.4s;
}
.pay-stage:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.pay-icon {
    width: 52px; height: 52px; border-radius: 14px; margin: 0 auto 14px;
    background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--purple);
}
.pay-icon.cyan { background: var(--cyan-dim); border-color: rgba(6,182,212,0.2); color: var(--cyan); }
.pay-icon.gold { background: var(--gold-dim); border-color: rgba(251,191,36,0.2); color: var(--gold); }
.pay-icon.green { background: var(--green-dim); border-color: rgba(34,197,94,0.2); color: var(--green); }
.pay-stage h4 { font-family: 'Orbitron', sans-serif; font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.pay-label {
    font-size: 11px; font-weight: 600; color: var(--cyan);
    display: inline-block; margin-bottom: 8px;
}
.pay-stage p { font-size: 12px; color: var(--text-dim); line-height: 1.4; }
.pay-arrow {
    display: flex; align-items: center; padding-top: 50px; width: 28px;
    color: var(--purple); font-size: 16px;
}
.payment-note {
    display: flex; align-items: center; gap: 14px; justify-content: center;
    padding: 20px 28px; background: var(--bg-card); border: 1px solid var(--border-glow);
    border-radius: var(--radius); max-width: 700px; margin: 0 auto;
}
.payment-note i { font-size: 24px; color: var(--green); flex-shrink: 0; }
.payment-note p { font-size: 13px; color: var(--text-dim); }

/* ===================== SECURITY ===================== */
.security-card {
    background: var(--bg-card); border: 1px solid var(--border-glow); border-radius: 24px;
    padding: 48px; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 40px; overflow: hidden;
}
.security-content h2 { font-family: 'Orbitron', sans-serif; font-size: clamp(22px, 3.5vw, 32px); font-weight: 800; margin-bottom: 24px; }
.security-features { display: flex; flex-direction: column; gap: 18px; }
.sec-item { display: flex; gap: 14px; }
.sec-item > i { font-size: 28px; color: var(--cyan); flex-shrink: 0; margin-top: 2px; }
.sec-item h4 { font-family: 'Orbitron', sans-serif; font-size: 12px; font-weight: 700; margin-bottom: 4px; }
.sec-item p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.security-visual { display: flex; align-items: center; justify-content: center; }
.shield-container { position: relative; width: 200px; height: 200px; }
.shield-ring {
    position: absolute; inset: 0; border-radius: 50%;
    border: 2px dashed rgba(6,182,212,0.2); animation: orbitSpin 20s linear infinite;
}
.shield-ring.r2 { inset: 20px; animation-duration: 28s; animation-direction: reverse; border-color: rgba(139,92,246,0.2); }
.shield-center {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 80px; height: 80px; border-radius: 20px;
    background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(139,92,246,0.2));
    border: 1px solid rgba(6,182,212,0.3); display: flex; align-items: center; justify-content: center;
    font-size: 36px; color: #06b6d4; box-shadow: 0 0 40px rgba(6,182,212,0.2);
    animation: glowPulse 3s ease-in-out infinite;
}

/* ===================== MOBILE & WEB ===================== */
.platforms-grid {
    display: flex; justify-content: center; gap: 24px; margin-bottom: 32px; flex-wrap: wrap;
}
.platform-device {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 32px 48px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); transition: transform 0.4s, border-color 0.4s;
}
.platform-device:hover { transform: translateY(-4px); border-color: var(--cyan); }
.platform-device i { font-size: 48px; color: var(--cyan); }
.platform-device h4 { font-family: 'Orbitron', sans-serif; font-size: 13px; font-weight: 700; }
.platform-features {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 800px; margin: 0 auto;
}
.pf-item {
    display: flex; align-items: center; gap: 10px; padding: 14px 18px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 13px; color: var(--text-dim); transition: border-color 0.3s;
}
.pf-item:hover { border-color: var(--border-glow); }
.pf-item i { font-size: 20px; color: var(--purple); flex-shrink: 0; }

/* ===================== FIVE PILLARS ===================== */
.five-pillars { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.fp-item {
    flex: 0 0 180px; text-align: center; padding: 28px 20px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform 0.4s, border-color 0.4s;
}
.fp-item:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.fp-item i { font-size: 32px; color: var(--cyan); display: block; margin-bottom: 12px; }
.fp-item h4 { font-family: 'Orbitron', sans-serif; font-size: 12px; font-weight: 700; margin-bottom: 4px; }
.fp-item p { font-size: 11px; color: var(--text-dim); }

/* ===================== COMPARISON TABLE ===================== */
.compare-table-wrap { overflow-x: auto; }
.compare-table {
    width: 100%; border-collapse: collapse; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.compare-table th, .compare-table td {
    padding: 14px 18px; text-align: left; font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.compare-table thead th {
    font-family: 'Orbitron', sans-serif; font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim);
    background: rgba(255,255,255,0.02); border-bottom: 1px solid var(--border);
}
.compare-table thead th.highlight { color: var(--cyan); }
.compare-table tbody td:first-child { font-weight: 600; color: var(--text); }
.compare-table .bad-cell { color: var(--red); }
.compare-table .bad-cell i { color: var(--red); margin-right: 4px; }
.compare-table .warn-cell { color: var(--gold); }
.compare-table .warn-cell i { color: var(--gold); margin-right: 4px; }
.compare-table .good-cell { color: var(--green); font-weight: 600; }
.compare-table .good-cell i { color: var(--green); margin-right: 4px; }
.compare-table tbody tr:hover { background: rgba(139,92,246,0.04); }
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ===================== USE CASES ===================== */
.cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.case-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px 22px; text-align: center;
    transition: transform 0.4s, border-color 0.4s;
}
.case-card:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.case-icon {
    width: 56px; height: 56px; border-radius: 16px; margin: 0 auto 16px;
    background: var(--cyan-dim); border: 1px solid rgba(6,182,212,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--cyan);
}
.case-card h3 { font-family: 'Orbitron', sans-serif; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.case-card p { font-size: 13px; color: var(--text-dim); line-height: 1.6; }

/* ===================== FINAL CTA ===================== */
.final-cta { text-align: center; overflow: hidden; position: relative; }
.cta-bg-effects { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.cta-orb { position: absolute; border-radius: 50%; filter: blur(80px); }
.cta-orb-1 { width: 400px; height: 400px; background: rgba(139,92,246,0.2); top: -30%; left: -10%; }
.cta-orb-2 { width: 350px; height: 350px; background: rgba(6,182,212,0.15); bottom: -20%; right: -5%; }
.cta-inner h2 {
    font-family: 'Orbitron', sans-serif; font-size: clamp(24px, 4vw, 40px);
    font-weight: 800; margin-bottom: 16px;
}
.cta-inner p { font-size: 16px; color: var(--text-dim); max-width: 500px; margin: 0 auto 32px; }

/* ===================== FOOTER ===================== */
.landing-footer {
    position: relative; z-index: 10;
    border-top: 1px solid var(--border); padding: 32px 24px;
    background: rgba(7,6,14,0.9);
}
.footer-inner {
    max-width: 1100px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 28px; height: 28px; }
.footer-brand span { font-family: 'Orbitron', sans-serif; font-size: 13px; font-weight: 700; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--text-dim); transition: color 0.3s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.3); }

/* ===================== ANIMATIONS ===================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 960px) {
    .hero { flex-direction: column; text-align: center; padding-top: 110px; gap: 40px; }
    .hero-content { max-width: 100%; }
    .hero-visual { flex: none; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .lifecycle-grid { grid-template-columns: 1fr 1fr; }
    .protocol-pillars { grid-template-columns: 1fr; }
    .arch-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr 1fr; }
    .security-card { grid-template-columns: 1fr; }
    .security-visual { display: none; }
    .platform-features { grid-template-columns: 1fr 1fr; }
    .nfc-flow { gap: 8px; }
    .nfc-step { flex: 0 0 140px; }
    .nfc-arrow { display: none; }
    .payment-flow { gap: 8px; }
    .pay-stage { flex: 0 0 140px; }
    .pay-arrow { display: none; }
}
@media (max-width: 640px) {
    .nav-links {
        display: none; position: fixed; top: 70px; left: 0; right: 0;
        background: rgba(7,6,14,0.97); backdrop-filter: blur(20px);
        flex-direction: column; padding: 20px 24px; gap: 16px;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: flex; }
    .nav-cta { display: none; }
    .hero-stats { flex-direction: column; gap: 14px; }
    .hero-stat-divider { width: 60px; height: 1px; }
    .hero-doc-scene { width: 220px; height: 220px; }
    .features-grid { grid-template-columns: 1fr; }
    .lifecycle-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .security-card { padding: 28px 20px; }
    .protocol-party-visual { flex-direction: column; gap: 12px; }
    .compare-boxes { grid-template-columns: 1fr; }
    .platform-features { grid-template-columns: 1fr; }
    .five-pillars { flex-direction: column; align-items: center; }
    .arb-layer { flex-direction: column; align-items: center; text-align: center; }
    .arb-layer-content ul { align-items: center; }
    .nfc-flow { flex-direction: column; align-items: center; }
    .nfc-arrow { transform: rotate(90deg); padding-top: 0; }
    .payment-flow { flex-direction: column; align-items: center; }
    .pay-arrow { transform: rotate(90deg); padding-top: 0; }
    .footer-inner { flex-direction: column; text-align: center; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}