:root {
  --gold: #CC9933;
  --gold-hover: #E6AC3D;
  --gold-dim: #8B6914;
  --gold-light: rgba(204,153,51,0.12);
  --gold-glow: rgba(204,153,51,0.4);
  --gold-gradient: linear-gradient(135deg,#CC9933,#E6AC3D,#FFD700);
  --bg-primary: #050505;
  --bg-secondary: #0C0C0C;
  --bg-tertiary: #141414;
  --bg-card: rgba(12,12,12,0.8);
  --text-primary: #F0F0F0;
  --text-secondary: #8A8A8A;
  --text-muted: #555555;
  --glass-bg: rgba(255,255,255,0.02);
  --glass-border: rgba(204,153,51,0.1);
  --glass-shadow: rgba(0,0,0,0.6);
  --font-display: 'Syne',sans-serif;
  --font-body: 'Space Grotesk',sans-serif;
  --font-mono: 'JetBrains Mono',monospace;
  --ease: cubic-bezier(0.4,0,0.2,1);
  --ease-out: cubic-bezier(0,0,0.2,1);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="light"] {
  --bg-primary: #FAFAFA;
  --bg-secondary: #F2F2F2;
  --bg-tertiary: #E8E8E8;
  --bg-card: rgba(255,255,255,0.85);
  --text-primary: #0A0A0A;
  --text-secondary: #4A4A4A;
  --text-muted: #888888;
  --glass-bg: rgba(0,0,0,0.02);
  --glass-border: rgba(204,153,51,0.2);
  --glass-shadow: rgba(0,0,0,0.08);
  --gold-glow: rgba(204,153,51,0.15);
  --gold-light: rgba(204,153,51,0.08);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; border-radius: 0 !important; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
::selection { background: var(--gold); color: #0A0A0A; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--gold); }
::-webkit-scrollbar-thumb:hover { background: var(--gold-hover); }

img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-hover); }
ul { list-style: none; }

h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); line-height: 1.15; color: var(--text-primary); font-weight: 700; }
h1 { font-size: clamp(2.2rem,6vw,4.5rem); }
h2 { font-size: clamp(1.6rem,3.5vw,2.8rem); }
h3 { font-size: 1.15rem; font-weight: 600; }
p { color: var(--text-secondary); line-height: 1.75; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 5rem 0; position: relative; z-index: 1; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { margin-bottom: 0.75rem; letter-spacing: -0.02em; }
.section-title::after { content: ''; display: block; width: 40px; height: 2px; background: var(--gold); margin: 0.75rem auto 0; }
.section-subtitle { max-width: 640px; margin: 0 auto; color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }

.skip-link { position: absolute; top: -100%; left: 50%; transform: translateX(-50%); background: var(--gold); color: #0A0A0A; padding: 0.75rem 1.5rem; z-index: 9999; font-weight: 600; }
.skip-link:focus { top: 1rem; }

#eth-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; transition: opacity 0.3s ease; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
@keyframes pulseGold { 0%,100% { box-shadow: 0 0 0 0 var(--gold-glow); } 50% { box-shadow: 0 0 20px 2px var(--gold-glow); } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes gridMove { 0% { transform: perspective(500px) rotateX(60deg) translateY(0); } 100% { transform: perspective(500px) rotateX(60deg) translateY(50px); } }
@keyframes borderSweep { 0% { width: 0; } 100% { width: 100%; } }
@keyframes countUp { from { opacity: 0.5; } to { opacity: 1; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes lineExpand { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ===== HEADER ===== */
.header { position: fixed; top: 0; width: 100%; z-index: 1000; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); background: rgba(5,5,5,0.7); border-bottom: 1px solid var(--glass-border); transition: var(--transition); }
[data-theme="light"] .header { background: rgba(250,250,250,0.8); }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.header.scrolled { background: var(--bg-card); box-shadow: 0 2px 20px var(--glass-shadow); }
.logo { font-family: 'Space Grotesk', sans-serif; font-size: 1.2rem; font-weight: 700; background: var(--gold-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: -0.01em; }
.nav-menu { display: flex; gap: 1.25rem; align-items: center; }
.nav-link { color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; transition: var(--transition); font-weight: 500; position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background: var(--gold); transition: width 0.3s var(--ease); }
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.header-actions { display: flex; gap: 0.5rem; align-items: center; }
.theme-toggle { width: 36px; height: 36px; border: 1px solid var(--glass-border); background: transparent; color: var(--gold); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.theme-toggle:hover { border-color: var(--gold); background: var(--gold-light); }
.theme-toggle svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.mobile-toggle { display: none; width: 36px; height: 36px; border: 1px solid var(--glass-border); background: transparent; color: var(--gold); cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-toggle span { display: block; width: 18px; height: 1.5px; background: var(--gold); transition: var(--transition); }

/* ===== MOBILE MENU ===== */
.mobile-menu-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1001; opacity: 0; visibility: hidden; transition: var(--transition); }
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }
.mobile-menu { position: fixed; right: -300px; top: 0; width: 300px; height: 100%; background: var(--bg-secondary); z-index: 1002; transition: right 0.3s var(--ease); padding: 2rem; border-left: 1px solid var(--glass-border); overflow-y: auto; }
.mobile-menu.active { right: 0; }
.mobile-menu-close { width: 36px; height: 36px; border: 1px solid var(--glass-border); background: transparent; color: var(--text-secondary); font-size: 1.25rem; cursor: pointer; margin-bottom: 2rem; display: flex; align-items: center; justify-content: center; }
.mobile-menu .mobile-nav-links { display: flex; flex-direction: column; gap: 0; }
.mobile-menu .mobile-nav-links a { color: var(--text-secondary); padding: 0.85rem 0; font-size: 0.9rem; border-bottom: 1px solid var(--glass-border); transition: var(--transition); letter-spacing: 0.02em; }
.mobile-menu .mobile-nav-links a:hover { color: var(--gold); padding-left: 0.5rem; }

/* ===== HERO ===== */
#hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: left; position: relative; z-index: 1; padding-top: 64px; overflow: hidden; }
.hero-grid-bg { position: absolute; inset: 0; z-index: -1; opacity: 0.15; background-image: linear-gradient(var(--glass-border) 1px, transparent 1px), linear-gradient(90deg, var(--glass-border) 1px, transparent 1px); background-size: 60px 60px; animation: gridMove 4s linear infinite; }
[data-theme="light"] .hero-grid-bg { opacity: 0.08; }
.hero-content { max-width: 100%; padding: 0 1.5rem; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-text {}
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 1rem; border: 1px solid var(--glass-border); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gold); margin-bottom: 1.5rem; font-weight: 500; }
.hero-badge-dot { width: 6px; height: 6px; background: var(--gold); display: inline-block; animation: pulseGold 2s infinite; }
.hero-title { font-family: 'Orbitron', sans-serif; font-size: clamp(2.2rem,5.5vw,4.5rem); font-weight: 800; line-height: 1.05; margin-bottom: 1.5rem; letter-spacing: 0.02em; text-transform: uppercase; }
.hero-title .gradient-text { background: var(--gold-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; background-size: 200% auto; animation: shimmer 4s linear infinite; }
.hero-tagline { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 2.5rem; line-height: 1.7; max-width: 520px; }
.hero-tagline .tagline-word { color: var(--gold); font-weight: 600; display: inline-block; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--glass-border); }
.hero-stat-item {}
.hero-stat-value { font-family: var(--font-mono); font-size: 1.3rem; font-weight: 700; color: var(--text-primary); display: block; }
.hero-stat-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-top: 0.15rem; display: block; }
.hero-3d { display: flex; align-items: center; justify-content: center; min-height: 400px; }
.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); color: var(--gold); animation: float 3s ease-in-out infinite; opacity: 0.5; }
.scroll-indicator svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.8rem 1.75rem; font-weight: 600; cursor: pointer; transition: var(--transition); font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; border: none; position: relative; overflow: hidden; }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.btn-primary { background: var(--gold); color: #0A0A0A; }
.btn-primary:hover { background: var(--gold-hover); box-shadow: 0 0 30px var(--gold-glow); transform: translateY(-2px); color: #0A0A0A; }
.btn-outline { background: transparent; border: 1px solid var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: #0A0A0A; }
.btn-ghost { background: transparent; color: var(--gold); border: 1px solid var(--glass-border); }
.btn-ghost:hover { border-color: var(--gold); }

/* ===== CARDS ===== */
.eth-card { background: var(--glass-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--glass-border); padding: 1.75rem; transition: var(--transition); position: relative; overflow: hidden; }
.eth-card::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 2px; background: var(--gold); transition: width 0.4s var(--ease); }
.eth-card:hover { border-color: var(--gold); background: var(--bg-card); }
.eth-card:hover::before { width: 100%; }

/* ===== STAT CARDS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; }
.stat-card { text-align: center; padding: 1.75rem 1rem; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 140px; }
.stat-card .stat-icon { width: 40px; height: 40px; margin-bottom: 1rem; display: flex; align-items: center; justify-content: center; border: 1px solid var(--glass-border); }
.stat-card .stat-icon svg { width: 20px; height: 20px; stroke: var(--gold); fill: none; stroke-width: 1.5; }
.stat-card .stat-value { font-family: var(--font-mono); font-size: 1.35rem; font-weight: 700; color: var(--text-primary); display: block; min-height: 2rem; letter-spacing: -0.02em; }
.stat-card .stat-value.loaded { animation: countUp 0.3s ease; }
.stat-card .stat-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-top: 0.5rem; display: block; font-weight: 500; }
.stat-change { font-size: 0.75rem; font-weight: 600; margin-top: 0.25rem; display: block; font-family: var(--font-mono); }
.stat-change.positive { color: #22c55e; }
.stat-change.negative { color: #ef4444; }
.stats-note { text-align: center; color: var(--text-muted); font-size: 0.7rem; margin-top: 1.5rem; font-family: var(--font-mono); }

/* ===== GRIDS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }

/* ===== BADGES ===== */
.badge { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.2rem 0.6rem; font-size: 0.65rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; font-family: var(--font-mono); }
.badge-gold { background: var(--gold-light); color: var(--gold); }
.badge-blue { background: rgba(59,130,246,0.1); color: #3b82f6; }
.badge-green { background: rgba(34,197,94,0.1); color: #22c55e; }
.badge-purple { background: rgba(147,51,234,0.1); color: #9333ea; }

/* ===== FEATURE CARDS ===== */
.feature-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; border: 1px solid var(--glass-border); color: var(--gold); }
.feature-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.feature-title { font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); font-size: 1rem; }
.feature-desc { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }
.feature-card .badge { margin-top: 0.75rem; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 2rem; border-left: 1px solid var(--glass-border); }
.timeline-item { position: relative; padding: 0.6rem 0 0.6rem 1.5rem; transition: var(--transition); }
.timeline-item::before { content: ''; position: absolute; left: -2rem; top: 0.75rem; width: 8px; height: 8px; background: var(--bg-primary); border: 1px solid var(--gold); transform: translateX(-3.5px); transition: var(--transition); }
.timeline-item:hover::before { background: var(--gold); box-shadow: 0 0 10px var(--gold-glow); }
.timeline-item:hover { padding-left: 2rem; }
.timeline-year { font-family: var(--font-mono); font-size: 0.75rem; color: var(--gold); font-weight: 700; letter-spacing: 0.02em; }
.timeline-text { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.1rem; }

/* ===== ABOUT LAYOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.key-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin-top: 2rem; }
.key-stat { padding: 1rem; border: 1px solid var(--glass-border); }
.key-stat-value { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; color: var(--gold); }
.key-stat-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-top: 0.15rem; }

/* ===== COMPARISON TABLE ===== */
.comparison-table { width: 100%; border-collapse: collapse; }
.comparison-table th, .comparison-table td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--glass-border); font-size: 0.9rem; }
.comparison-table th { font-family: var(--font-display); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; }
.comparison-table td:first-child { color: var(--text-secondary); font-weight: 500; }
.comparison-table .eth-col { color: var(--gold); font-weight: 600; }
.comparison-table .btc-col { color: var(--text-secondary); }

/* ===== FAQ ===== */
.faq-item { border: 1px solid var(--glass-border); margin-bottom: 0.5rem; transition: var(--transition); }
.faq-item:hover { border-color: rgba(204,153,51,0.3); }
.faq-question { width: 100%; padding: 1.25rem 1.5rem; background: transparent; border: none; color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem; font-weight: 500; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); }
.faq-question:hover { color: var(--gold); }
.faq-question svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; transition: transform 0.3s var(--ease); flex-shrink: 0; margin-left: 1rem; }
.faq-item.active .faq-question svg { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease), padding 0.3s ease; padding: 0 1.5rem; }
.faq-item.active .faq-answer { max-height: 500px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ===== SECTION DIVIDER ===== */
.section-alt { background: var(--bg-secondary); }
/* ===== GAS TRACKER ===== */
.gas-prices { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-bottom: 2.5rem; }
.gas-tier { background: var(--glass-bg); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); padding: 1.75rem 1.5rem; text-align: center; transition: var(--transition); position: relative; overflow: hidden; }
.gas-tier::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 2px; background: var(--gold); transition: width 0.4s var(--ease); }
.gas-tier:hover { border-color: var(--gold); }
.gas-tier:hover::before { width: 100%; }
.gas-tier-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); font-weight: 600; margin-bottom: 0.75rem; }
.gas-tier-value { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: var(--text-primary); line-height: 1; }
.gas-tier-gwei { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.25rem; }
.gas-tier-eta { font-size: 0.72rem; color: var(--gold); font-family: var(--font-mono); margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--glass-border); }
.gas-tier-standard .gas-tier-value { color: var(--gold); }
.gas-tier-fast .gas-tier-value { color: #22c55e; }
.gas-chart { background: var(--glass-bg); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); padding: 1.5rem; margin-bottom: 2rem; }
.gas-chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.gas-chart-header h3 { font-size: 0.85rem; font-weight: 600; display: flex; align-items: center; gap: 0.75rem; }
.gas-chart-range { font-size: 0.65rem; font-family: var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 400; }
.gas-chart-container { position: relative; height: 180px; }
#gas-chart-canvas { width: 100%; height: 100%; display: block; }
.gas-chart-empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.8rem; font-family: var(--font-mono); }
.gas-costs { background: var(--glass-bg); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); padding: 1.5rem; }
.gas-costs h3 { font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem; }
.gas-costs-table { width: 100%; border-collapse: collapse; }
.gas-costs-table th, .gas-costs-table td { padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--glass-border); font-size: 0.85rem; }
.gas-costs-table th { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; }
.gas-costs-table td:first-child { color: var(--text-primary); font-weight: 500; }
.gas-units { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.8rem; }
.cost-safe, .cost-standard, .cost-fast { font-family: var(--font-mono); font-weight: 600; text-align: right; }
.cost-safe { color: var(--text-secondary); }
.cost-standard { color: var(--gold); }
.cost-fast { color: #22c55e; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--glass-border); padding: 4rem 0 2rem; position: relative; z-index: 1; }
.footer-disclaimer { border: 1px solid var(--glass-border); padding: 1.25rem; text-align: center; margin-bottom: 2.5rem; color: var(--gold); font-weight: 500; font-size: 0.85rem; }
.footer-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; margin-bottom: 2rem; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.72rem; color: var(--gold); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.footer-col a { color: var(--text-muted); font-size: 0.85rem; display: block; padding: 0.3rem 0; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 0.25rem; }
.footer-bottom { border-top: 1px solid var(--glass-border); padding-top: 1.5rem; text-align: center; color: var(--text-muted); font-size: 0.8rem; }

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal-left.active { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal-right.active { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.95); transition: opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal-scale.active { opacity: 1; transform: scale(1); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.4s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 247.98px) {
  .hero-title { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .stat-card { min-height: 110px; padding: 1.25rem 0.75rem; }
  .stat-card .stat-value { font-size: 1.1rem; }
  .gas-prices { grid-template-columns: 1fr; gap: 0.5rem; }
  .gas-tier-value { font-size: 1.5rem; }
  .gas-chart-container { height: 140px; }
  .gas-costs-table { font-size: 0.75rem; }
  .gas-costs-table th, .gas-costs-table td { padding: 0.6rem 0.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-content { grid-template-columns: 1fr; }
  .btn { padding: 0.65rem 1rem; font-size: 0.7rem; }
  section { padding: 3rem 0; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .key-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (min-width: 248px) and (max-width: 383.98px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 0.5rem; }
  .stat-card { min-height: 115px; padding: 1.25rem 0.75rem; }
  .stat-card .stat-value { font-size: 1.15rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-content { grid-template-columns: 1fr; }
  section { padding: 3.5rem 0; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
}
@media (min-width: 384px) and (max-width: 575.98px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 0.75rem; }
  .stat-card { min-height: 120px; padding: 1.5rem 1rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-content { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
}
@media (min-width: 576px) and (max-width: 767.98px) {
  .stats-grid { grid-template-columns: repeat(3,1fr); }
  .stat-card:last-child:nth-child(5n-1) { grid-column: span 1; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (min-width: 768px) and (max-width: 991.98px) {
  .stats-grid { grid-template-columns: repeat(5,1fr); }
  .stat-card .stat-value { font-size: 1.2rem; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
}
@media (max-width: 991.98px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: flex; }
  .hero-3d { display: none; }
}
@media (min-width: 992px) {
  .mobile-toggle { display: none; }
  .mobile-menu, .mobile-menu-overlay { display: none !important; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
  .grid-4 { grid-template-columns: repeat(3,1fr); }
}
@media (min-width: 1536px) {
  .container { max-width: 1300px; }
}
@media (min-width: 2560px) {
  .container { max-width: 1400px; }
  h1 { font-size: 5rem; }
  h2 { font-size: 3rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity: 1; transform: none; }
  .scroll-indicator { animation: none; }
}