/*
Theme Name: Nội Dung Số
Theme URI: https://kiemtienxyz.com
Author: kiemtienxyz
Author URI: https://kiemtienxyz.com
Description: Landing page Sáng Tạo Nội Dung Số — Kiếm Tiền Thật, Chia Sẻ Thật
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: noidungso
Tags: landing-page, one-page, dark
*/

:root {
  --navy: #0B1628;
  --navy-mid: #132240;
  --navy-light: #1a2f52;
  --amber: #F5A623;
  --amber-dark: #D4891A;
  --coral: #FF6B6B;
  --teal: #00C9A7;
  --purple: #A78BFA;
  --cream: #F7F3ED;
  --cream-dim: #C8C0B4;
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--navy); color: var(--cream); font-family: 'Inter', sans-serif; font-size: 16px; line-height: 1.6; overflow-x: hidden; }

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 48px; display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(24px); background: rgba(11,22,40,0.92);
  border-bottom: 1px solid var(--glass-border);
}
.nav-logo { font-family: 'Playfair Display', serif; font-size: 1.1rem; font-weight: 700; color: var(--amber); letter-spacing: -0.02em; }
.nav-logo span { color: var(--cream-dim); font-weight: 400; font-size: 0.82rem; margin-left: 10px; font-family: 'Inter', sans-serif; }
.nav-group-btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--amber); color: var(--amber);
  padding: 9px 22px; border-radius: 6px; font-weight: 600; font-size: 0.875rem; text-decoration: none; transition: all 0.2s;
}
.nav-group-btn:hover { background: var(--amber); color: var(--navy); }

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  padding-top: 65px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 55% 65% at 75% 55%, rgba(0,201,167,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 35% 55% at 15% 85%, rgba(245,166,35,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.hero-left {
  padding: 72px 56px 72px 72px;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-right {
  padding: 72px 72px 72px 48px;
  display: flex; flex-direction: column; gap: 16px; justify-content: center;
  border-left: 1px solid var(--glass-border);
}
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.18em; margin-bottom: 28px; }
.hero-eyebrow::before { content: ''; display: inline-block; width: 28px; height: 1px; background: var(--teal); }
.hero h1 { font-family: 'Playfair Display', serif; font-size: clamp(2.2rem, 3.8vw, 4rem); font-weight: 900; line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 26px; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero-intro { font-size: 1rem; color: var(--cream-dim); max-width: 480px; line-height: 1.8; margin-bottom: 34px; }
.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.btn-group { background: var(--amber); color: var(--navy); padding: 14px 30px; border-radius: 8px; font-weight: 700; font-size: 0.95rem; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; transition: all 0.25s; box-shadow: 0 4px 32px rgba(245,166,35,0.25); }
.btn-group:hover { background: var(--amber-dark); transform: translateY(-2px); }
.btn-scroll { color: var(--cream-dim); font-size: 0.88rem; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: color 0.2s; }
.btn-scroll:hover { color: var(--cream); }

.hero-stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-stat-block {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 18px 16px;
}
.hero-stat-block .big { font-family: 'JetBrains Mono', monospace; font-size: 1.7rem; font-weight: 700; color: var(--amber); line-height: 1; display: block; margin-bottom: 5px; }
.hero-stat-block .lbl { font-size: 0.75rem; color: var(--cream-dim); line-height: 1.45; display: block; }
.hero-stat-block .src { font-family: 'JetBrains Mono', monospace; font-size: 0.57rem; color: rgba(200,192,180,0.38); margin-top: 4px; display: block; }
.hero-stat-block.teal .big { color: var(--teal); }
.hero-stat-block.purple .big { color: var(--purple); }

.hero-honest {
  display: flex; align-items: flex-start; gap: 12px;
  background: rgba(0,201,167,0.06); border: 1px solid rgba(0,201,167,0.15);
  border-radius: 10px; padding: 16px 18px;
}
.hero-honest .icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.hero-honest p { font-size: 0.83rem; color: var(--cream-dim); line-height: 1.7; }
.hero-honest p strong { color: var(--teal); font-weight: 600; }

.hero-scroll { position: absolute; bottom: 28px; left: 72px; display: flex; align-items: center; gap: 12px; font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--cream-dim); letter-spacing: 0.1em; opacity: 0.38; }
.scroll-line { width: 36px; height: 1px; background: var(--cream-dim); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { width: 36px; opacity: 0.3; } 50% { width: 52px; opacity: 0.8; } }

/* ===================== COMMON ===================== */
.section-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.18em; display: block; margin-bottom: 12px; }
.section-header { margin-bottom: 52px; }
.section-header h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.9rem, 3.5vw, 2.9rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.12; }
.section-header p { font-size: 0.97rem; color: var(--cream-dim); max-width: 560px; margin-top: 14px; line-height: 1.75; }

/* ===================== TRUTH ===================== */
.truth-section { background: var(--navy-mid); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); padding: 80px 64px; }
.truth-inner { max-width: 1100px; margin: 0 auto; }
.truth-header { margin-bottom: 48px; }
.truth-header h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.truth-header h2 em { font-style: normal; color: var(--coral); }
.truth-header p { font-size: 0.97rem; color: var(--cream-dim); max-width: 560px; margin-top: 14px; line-height: 1.75; }
.truth-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.truth-card { background: var(--navy); border: 1px solid var(--glass-border); border-radius: 14px; padding: 28px 24px; transition: border-color 0.25s; }
.truth-card:hover { border-color: rgba(245,166,35,0.22); }
.truth-label { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--amber); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 8px; display: block; }
.truth-card h4 { font-size: 0.97rem; font-weight: 700; margin-bottom: 10px; line-height: 1.3; }
.truth-card p { font-size: 0.83rem; color: var(--cream-dim); line-height: 1.7; }

/* ===================== STATS ===================== */
.stats-section { padding: 80px 64px; }
.stats-inner { max-width: 1100px; margin: 0 auto; }
.stats-intro { margin-bottom: 52px; }
.stats-intro h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; letter-spacing: -0.02em; }
.stats-intro h2 em { font-style: normal; color: var(--coral); }
.stats-intro p { font-size: 0.95rem; color: var(--cream-dim); max-width: 500px; margin-top: 12px; line-height: 1.7; }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; background: var(--glass-border); border: 1px solid var(--glass-border); border-radius: 14px; overflow: hidden; }
.stat-card { background: var(--navy-mid); padding: 32px 18px; text-align: center; transition: background 0.25s; }
.stat-card:hover { background: var(--navy-light); }
.stat-number { font-family: 'JetBrains Mono', monospace; font-size: clamp(1.6rem, 2.6vw, 2.4rem); font-weight: 700; color: var(--amber); line-height: 1; margin-bottom: 10px; display: block; }
.stat-label { font-size: 0.77rem; color: var(--cream-dim); line-height: 1.45; }
.stat-source { font-family: 'JetBrains Mono', monospace; font-size: 0.57rem; color: rgba(200,192,180,0.35); margin-top: 8px; display: block; }
.stats-note { margin-top: 20px; font-size: 0.8rem; color: var(--cream-dim); font-style: italic; text-align: right; }

/* ===================== AI SECTION ===================== */
.ai-section { background: var(--navy-mid); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); padding: 80px 64px; }
.ai-inner { max-width: 1200px; margin: 0 auto; }
.ai-header { margin-bottom: 52px; }
.ai-header h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.9rem, 3.5vw, 2.9rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.12; }
.ai-header h2 em { font-style: normal; color: var(--purple); }
.ai-header p { font-size: 0.97rem; color: var(--cream-dim); max-width: 640px; margin-top: 14px; line-height: 1.75; }

.ai-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }

.ai-banner {
  background: linear-gradient(135deg, rgba(167,139,250,0.07) 0%, rgba(0,201,167,0.05) 100%);
  border: 1px solid rgba(167,139,250,0.18); border-radius: 16px; padding: 30px 28px; margin-bottom: 20px;
}
.ai-banner-row { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 18px; }
.ai-big-num { font-family: 'JetBrains Mono', monospace; font-size: 3rem; font-weight: 700; color: var(--purple); line-height: 1; }
.ai-big-label { font-size: 0.92rem; color: var(--cream-dim); line-height: 1.5; padding-bottom: 5px; }
.ai-banner p { font-size: 0.83rem; color: var(--cream-dim); line-height: 1.7; }
.ai-banner p strong { color: var(--cream); }

.ai-stats-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ai-mini-card { background: var(--navy); border: 1px solid var(--glass-border); border-radius: 10px; padding: 16px; }
.ai-mini-card .num { font-family: 'JetBrains Mono', monospace; font-size: 1.35rem; font-weight: 700; color: var(--teal); display: block; margin-bottom: 4px; }
.ai-mini-card .lbl { font-size: 0.75rem; color: var(--cream-dim); line-height: 1.45; }

.ai-pipeline { display: flex; flex-direction: column; gap: 12px; }
.pipeline-card { background: var(--navy); border: 1px solid var(--glass-border); border-radius: 12px; padding: 18px 20px; display: flex; gap: 14px; align-items: flex-start; transition: border-color 0.2s; }
.pipeline-card:hover { border-color: rgba(167,139,250,0.22); }
.pipeline-step { font-family: 'JetBrains Mono', monospace; font-size: 0.66rem; color: var(--purple); background: rgba(167,139,250,0.08); border: 1px solid rgba(167,139,250,0.18); padding: 3px 8px; border-radius: 6px; flex-shrink: 0; white-space: nowrap; margin-top: 2px; }
.pipeline-content h4 { font-size: 0.93rem; font-weight: 700; margin-bottom: 4px; }
.pipeline-content p { font-size: 0.78rem; color: var(--cream-dim); line-height: 1.6; }
.pipeline-content .tools { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.tool-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.61rem; background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border); padding: 2px 7px; border-radius: 4px; color: var(--cream-dim); }

.ai-warning { background: rgba(255,107,107,0.05); border: 1px solid rgba(255,107,107,0.16); border-radius: 10px; padding: 16px 18px; margin-top: 20px; }
.ai-warning p { font-size: 0.83rem; color: var(--cream-dim); line-height: 1.7; }
.ai-warning p strong { color: var(--coral); }

/* ===================== STREAMS ===================== */
.streams-section { padding: 80px 64px; }
.streams-inner { max-width: 1200px; margin: 0 auto; }
.streams-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.stream-card { background: var(--navy-mid); border: 1px solid var(--glass-border); border-radius: 16px; padding: 32px; position: relative; overflow: hidden; transition: all 0.3s; }
.stream-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--card-accent, var(--amber)); }
.stream-card:hover { border-color: rgba(255,255,255,0.12); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.35); }
.stream-icon { font-size: 1.7rem; margin-bottom: 16px; }
.stream-card h3 { font-family: 'Playfair Display', serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }
.stream-desc { font-size: 0.84rem; color: var(--cream-dim); line-height: 1.72; margin-bottom: 14px; }
.stream-reality { background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border); border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; }
.stream-reality p { font-size: 0.79rem; color: var(--cream-dim); line-height: 1.65; }
.stream-reality strong { color: var(--cream); }
.stream-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.income-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; color: var(--amber); font-weight: 700; background: rgba(245,166,35,0.08); border: 1px solid rgba(245,166,35,0.18); padding: 4px 12px; border-radius: 20px; }
.difficulty-tag { font-size: 0.74rem; color: var(--cream-dim); }

/* ===================== PLATFORMS ===================== */
.platforms-section { background: var(--navy-mid); border-top: 1px solid var(--glass-border); padding: 80px 64px; }
.platforms-inner { max-width: 1200px; margin: 0 auto; }
.platforms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.platform-card { background: var(--navy); border: 1px solid var(--glass-border); border-radius: 12px; padding: 24px 20px; transition: all 0.25s; }
.platform-card:hover { background: var(--navy-light); border-color: rgba(255,255,255,0.1); }
.platform-top { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.platform-name { font-size: 0.93rem; font-weight: 700; }
.platform-badge { font-size: 0.61rem; background: rgba(0,201,167,0.12); color: var(--teal); border: 1px solid rgba(0,201,167,0.2); padding: 2px 8px; border-radius: 10px; font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: 0.05em; }
.platform-desc { font-size: 0.79rem; color: var(--cream-dim); line-height: 1.65; margin-bottom: 12px; }
.platform-earn { font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; color: var(--amber); }

/* ===================== ROADMAP ===================== */
.roadmap-section { padding: 80px 64px; }
.roadmap-inner { max-width: 1000px; margin: 0 auto; }
.roadmap { margin-top: 52px; position: relative; }
.roadmap::before { content: ''; position: absolute; left: 27px; top: 0; bottom: 60px; width: 2px; background: linear-gradient(to bottom, var(--amber) 0%, var(--teal) 60%, transparent 100%); }
.roadmap-step { display: flex; gap: 36px; margin-bottom: 48px; position: relative; }
.step-marker { width: 56px; height: 56px; border-radius: 50%; background: var(--navy); border: 2px solid var(--amber); display: flex; align-items: center; justify-content: center; font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; font-weight: 700; color: var(--amber); flex-shrink: 0; z-index: 1; }
.step-content { padding-top: 10px; flex: 1; }
.step-tag { display: inline-block; font-size: 0.68rem; font-family: 'JetBrains Mono', monospace; color: var(--teal); background: rgba(0,201,167,0.08); border: 1px solid rgba(0,201,167,0.18); padding: 3px 10px; border-radius: 10px; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.08em; }
.step-content h3 { font-family: 'Playfair Display', serif; font-size: 1.22rem; font-weight: 700; margin-bottom: 8px; }
.step-body { font-size: 0.87rem; color: var(--cream-dim); line-height: 1.75; max-width: 540px; margin-bottom: 14px; }
.step-tips { list-style: none; }
.step-tips li { font-size: 0.83rem; color: var(--cream-dim); padding: 5px 0 5px 18px; position: relative; line-height: 1.6; }
.step-tips li::before { content: '->'; position: absolute; left: 0; color: var(--teal); font-size: 0.78rem; }
.step-tips li strong { color: var(--cream); }

/* ===================== LESSONS ===================== */
.lessons-section { background: var(--navy-mid); border-top: 1px solid var(--glass-border); padding: 80px 64px; }
.lessons-inner { max-width: 1100px; margin: 0 auto; }
.lessons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.lesson-card { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 16px; padding: 28px; }
.lesson-num { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--amber); letter-spacing: 0.1em; margin-bottom: 12px; display: block; }
.lesson-card h3 { font-family: 'Playfair Display', serif; font-size: 1.08rem; font-weight: 700; margin-bottom: 10px; line-height: 1.3; }
.lesson-card p { font-size: 0.85rem; color: var(--cream-dim); line-height: 1.75; }
.lesson-card p strong { color: var(--cream); }

/* ===================== WHO ===================== */
.who-section { padding: 80px 64px; }
.who-inner { max-width: 1100px; margin: 0 auto; }
.who-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 48px; }
.who-col h3 { font-family: 'Playfair Display', serif; font-size: 1.25rem; margin-bottom: 22px; display: flex; align-items: center; gap: 12px; }
.who-col.fit h3 { color: var(--teal); }
.who-col.notfit h3 { color: var(--coral); }
.who-list { list-style: none; }
.who-list li { display: flex; align-items: flex-start; gap: 13px; padding: 12px 0; border-bottom: 1px solid var(--glass-border); font-size: 0.88rem; color: var(--cream-dim); line-height: 1.65; }
.who-list li:last-child { border-bottom: none; }
.who-list li .icon { width: 20px; flex-shrink: 0; margin-top: 2px; }

/* ===================== FAQ ===================== */
.faq-section { background: var(--navy-mid); border-top: 1px solid var(--glass-border); padding: 80px 64px; }
.faq-inner { max-width: 820px; margin: 0 auto; }
.faq-list { margin-top: 48px; }
.faq-item { border-bottom: 1px solid var(--glass-border); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; cursor: pointer; font-weight: 600; font-size: 0.95rem; gap: 20px; transition: color 0.2s; }
.faq-question:hover { color: var(--amber); }
.faq-toggle { width: 26px; height: 26px; border: 1px solid var(--glass-border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; transition: all 0.25s; color: var(--amber); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.25s; font-size: 0.88rem; color: var(--cream-dim); line-height: 1.78; }
.faq-item.open .faq-answer { max-height: 500px; padding-bottom: 22px; }
.faq-item.open .faq-toggle { transform: rotate(45deg); background: var(--amber); border-color: var(--amber); color: var(--navy); }

/* ===================== CTA ===================== */
.cta-section { background: var(--navy); border-top: 1px solid var(--glass-border); padding: 100px 64px; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 700px; height: 500px; border-radius: 50%; background: radial-gradient(ellipse, rgba(245,166,35,0.07) 0%, transparent 65%); pointer-events: none; }
.cta-label { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.18em; margin-bottom: 20px; display: block; }
.cta-section h2 { font-family: 'Playfair Display', serif; font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 900; letter-spacing: -0.03em; max-width: 760px; margin: 0 auto 20px; line-height: 1.1; }
.cta-section h2 em { font-style: normal; color: var(--amber); }
.cta-lead { font-size: 1rem; color: var(--cream-dim); max-width: 520px; margin: 0 auto 40px; line-height: 1.8; }
.cta-group-card { display: inline-block; background: var(--navy-mid); border: 1px solid rgba(245,166,35,0.25); border-radius: 18px; padding: 40px 48px; max-width: 540px; margin-bottom: 24px; text-align: left; }
.cta-group-title { font-family: 'Playfair Display', serif; font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; }
.cta-group-desc { font-size: 0.87rem; color: var(--cream-dim); line-height: 1.75; margin-bottom: 22px; }
.cta-group-perks { list-style: none; margin-bottom: 26px; }
.cta-group-perks li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--cream-dim); padding: 7px 0; border-bottom: 1px solid var(--glass-border); line-height: 1.6; }
.cta-group-perks li:last-child { border-bottom: none; }
.cta-group-perks li span { color: var(--teal); flex-shrink: 0; }
.btn-join-group { display: block; width: 100%; text-align: center; background: var(--amber); color: var(--navy); padding: 15px; border-radius: 10px; font-weight: 700; font-size: 1rem; text-decoration: none; transition: all 0.25s; box-shadow: 0 4px 32px rgba(245,166,35,0.22); }
.btn-join-group:hover { background: var(--amber-dark); transform: translateY(-2px); }
.cta-note { font-size: 0.78rem; color: var(--cream-dim); display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 14px; }

footer { border-top: 1px solid var(--glass-border); padding: 34px 64px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 0.77rem; color: var(--cream-dim); }
.footer-logo { font-family: 'Playfair Display', serif; font-weight: 700; color: var(--amber); font-size: 0.93rem; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.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; }

@media (max-width: 1100px) {
  .truth-grid { grid-template-columns: repeat(2, 1fr); }
  .streams-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .lessons-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-layout { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-left { padding: 100px 36px 36px; }
  .hero-right { border-left: none; border-top: 1px solid var(--glass-border); padding: 32px 36px 56px; }
  .hero-scroll { left: 36px; }
}
@media (max-width: 680px) {
  nav { padding: 14px 20px; }
  .hero-left { padding: 90px 20px 28px; }
  .hero-right { padding: 24px 20px 48px; }
  .truth-section, .streams-section, .roadmap-section, .cta-section { padding: 56px 20px; }
  .stats-section, .platforms-section, .lessons-section, .faq-section, .ai-section, .who-section { padding: 56px 20px; }
  .truth-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .streams-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: 1fr; }
  .lessons-grid { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: 1fr; }
  .cta-group-card { padding: 26px 20px; }
  footer { padding: 26px 20px; flex-direction: column; text-align: center; }
  .roadmap::before { left: 26px; }
}