/* ============================================================
   ETM Mining — Premium Web3 Stylesheet
   Sections: variables · base · utilities · header · hero ·
   stats · why · chains · plans · details · compounding ·
   reward · etm · income · security · how · faq · footer ·
   animations · responsive
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --bg: #050a1a;
  --bg-2: #0a1230;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --border-glow: rgba(56, 189, 248, 0.45);

  --text: #f1f5ff;
  --text-dim: #9fb0d8;
  --text-faint: #6b7ba3;

  --primary: #1e9bf9;
  --primary-2: #38bdf8;
  --primary-deep: #0a4fd6;
  --accent: #22d3ee;
  --neon: #38bdf8;

  --success: #34d399;
  --warning: #fbbf24;
  --error: #f87171;

  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;

  --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.25);
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.45);

  --container: 1200px;
  --font-head: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(30, 155, 249, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 20%, rgba(34, 211, 238, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 60%, rgba(10, 79, 214, 0.12), transparent 60%);
  background-attachment: fixed;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }

::selection { background: var(--primary); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--primary), var(--primary-deep)); border-radius: 10px; }

/* ---------- Layout Utilities ---------- */
.container { width: min(var(--container), 92%); margin-inline: auto; }

.section { padding: clamp(64px, 8vw, 120px) 0; position: relative; }

.section__head { text-align: center; max-width: 720px; margin: 0 auto clamp(40px, 5vw, 64px); }
.section__title { font-size: clamp(1.9rem, 4vw, 3rem); margin-bottom: 14px; }
.section__sub { color: var(--text-dim); font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary-2);
  margin-bottom: 14px;
}

.gradient-text {
  background: linear-gradient(100deg, #fff 0%, var(--primary-2) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 1000; box-shadow: 0 0 12px var(--neon);
  transition: width 0.1s linear;
}

/* ---------- Particle Canvas ---------- */
.particles {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: -2; pointer-events: none; opacity: 0.7;
}

/* ---------- Floating Blockchain Icons ---------- */
.floating-icons { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.float-icon {
  position: absolute;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-head);
  font-weight: 700; font-size: 0.7rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.15);
  animation: floatY 14s ease-in-out infinite;
  opacity: 0.55;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-40px) rotate(8deg); }
}

/* ---------- Glass Card ---------- */
.glass-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.glass-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), transparent 50%);
  opacity: 0; transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.glass-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--shadow-glow), var(--shadow-soft); }
.glass-card:hover::before { opacity: 1; }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600; font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  overflow: hidden;
  white-space: nowrap;
}
.btn--lg { padding: 15px 30px; font-size: 1rem; }
.btn--block { width: 100%; justify-content: center; }

.btn--primary {
  background: linear-gradient(100deg, var(--primary), var(--primary-deep));
  color: #fff;
  box-shadow: 0 8px 30px rgba(30, 155, 249, 0.4);
}
.btn--primary::after {
  content: ''; position: absolute; top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(30, 155, 249, 0.6); }
.btn--primary:hover::after { left: 130%; }

.btn--glass {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn--glass:hover { border-color: var(--border-glow); box-shadow: var(--shadow-glow); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
}
.btn--ghost:hover { border-color: var(--primary-2); color: var(--primary-2); }

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(5, 10, 26, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 1.3rem; }
.logo__mark { color: var(--primary-2); display: grid; place-items: center; filter: drop-shadow(0 0 8px rgba(56,189,248,0.5)); }
.logo__accent { color: var(--primary-2); }

.nav { display: flex; gap: 6px; }
.nav__link {
  padding: 8px 14px; border-radius: 999px;
  font-size: 0.92rem; color: var(--text-dim);
  transition: color 0.25s, background 0.25s;
}
.nav__link:hover, .nav__link.active { color: var(--text); background: var(--surface-2); }

.header__actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Pill ---------- */
.pill {
  display: inline-block; padding: 7px 16px;
  border-radius: 999px; font-size: 0.82rem; font-weight: 600;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-dim);
}
.pill--glow { color: var(--primary-2); border-color: var(--border-glow); box-shadow: 0 0 24px rgba(56,189,248,0.25); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero__glow {
  position: absolute; top: 10%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 700px; max-width: 90vw;
  background: radial-gradient(circle, rgba(30,155,249,0.28), transparent 65%);
  filter: blur(40px); pointer-events: none;
}
.hero__inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; position: relative; }
.hero__title { font-size: clamp(2.2rem, 5.5vw, 4.2rem); font-weight: 800; margin: 22px 0; }
.hero__sub { color: var(--text-dim); font-size: 1.12rem; max-width: 540px; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero__trust { display: flex; gap: 36px; flex-wrap: wrap; }
.hero__trust-item { display: flex; flex-direction: column; }
.hero__trust-item strong { font-family: var(--font-head); font-size: 1.4rem; color: #fff; }
.hero__trust-item span { font-size: 0.82rem; color: var(--text-faint); }

.hero__visual { position: relative; height: 460px; display: grid; place-items: center; }
.orb {
  position: absolute; border-radius: 50%;
  display: grid; place-items: center;
}
.orb--outer { width: 380px; height: 380px; border: 1px solid var(--border); background: radial-gradient(circle, rgba(30,155,249,0.08), transparent 70%); animation: spin 40s linear infinite; }
.orb--mid { width: 240px; height: 240px; border: 1px solid var(--border-glow); background: radial-gradient(circle, rgba(56,189,248,0.15), transparent 70%); animation: spin 25s linear infinite reverse; box-shadow: var(--shadow-glow); }
.orb--core {
  width: 130px; height: 130px;
  background: linear-gradient(140deg, var(--primary), var(--primary-deep));
  box-shadow: 0 0 60px rgba(56,189,248,0.6), inset 0 0 30px rgba(255,255,255,0.2);
  animation: pulse 4s ease-in-out infinite;
}
.orb__label { font-family: var(--font-head); font-weight: 800; font-size: 1.6rem; color: #fff; letter-spacing: 0.05em; }
.orbit {
  position: absolute; border: 1px dashed rgba(56,189,248,0.2); border-radius: 50%;
}
.orbit--1 { width: 320px; height: 320px; animation: spin 30s linear infinite; }
.orbit--2 { width: 420px; height: 420px; animation: spin 50s linear infinite reverse; }
.orbit--3 { width: 520px; height: 520px; animation: spin 70s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

.hero__scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid var(--border); border-radius: 14px;
  display: grid; justify-items: center; padding-top: 8px;
}
.hero__scroll span { width: 4px; height: 8px; background: var(--primary-2); border-radius: 2px; animation: scrollDot 1.8s ease-in-out infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- Stats ---------- */
.stats__grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.stat { padding: 26px 20px; text-align: center; }
.stat__icon {
  width: 48px; height: 48px; margin: 0 auto 14px;
  display: grid; place-items: center;
  border-radius: 14px; color: var(--primary-2);
  background: rgba(56,189,248,0.10); border: 1px solid var(--border);
}
.stat__value { font-family: var(--font-head); font-size: 1.7rem; font-weight: 800; color: #fff; }
.stat__label { color: var(--text-dim); font-size: 0.88rem; margin-top: 4px; }

/* ---------- Why ---------- */
.why__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { padding: 28px 24px; }
.feature__icon {
  width: 56px; height: 56px; margin-bottom: 18px;
  display: grid; place-items: center; border-radius: 16px;
  color: var(--primary-2);
  background: linear-gradient(140deg, rgba(56,189,248,0.15), rgba(30,155,249,0.05));
  border: 1px solid var(--border);
  transition: transform 0.4s var(--ease);
}
.feature:hover .feature__icon { transform: scale(1.08) rotate(-4deg); }
.feature h3 { font-size: 1.12rem; margin-bottom: 8px; }
.feature p { color: var(--text-dim); font-size: 0.94rem; }

/* ---------- Chains ---------- */
.chains__grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 16px; margin-bottom: 40px; }
.chain {
  padding: 22px 12px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.chain__badge {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 800; font-size: 0.78rem; color: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 0 18px rgba(56,189,248,0.2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.chain:hover .chain__badge { transform: translateY(-4px) scale(1.1); box-shadow: 0 0 28px rgba(56,189,248,0.5); }
.chain__name { font-size: 0.85rem; color: var(--text-dim); font-weight: 500; }

.chains__note { display: flex; align-items: center; gap: 20px; padding: 28px 32px; }
.chains__note-icon { color: var(--primary-2); flex-shrink: 0; }
.chains__note h3 { font-size: 1.2rem; margin-bottom: 6px; }
.chains__note p { color: var(--text-dim); }

/* ---------- Plans ---------- */
.plans__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.plan {
  padding: 32px 24px; text-align: center;
  display: flex; flex-direction: column; gap: 14px;
}
.plan--featured {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow), var(--shadow-soft);
  background: linear-gradient(160deg, rgba(56,189,248,0.10), var(--surface));
}
.plan__tag {
  align-self: center;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--primary-2);
}
.plan__amount { font-family: var(--font-head); font-size: 2.4rem; font-weight: 800; }
.plan__amount span { font-size: 1.1rem; color: var(--text-dim); }
.plan__divider { height: 1px; background: var(--border); margin: 4px 0; }
.plan__row { display: flex; justify-content: space-between; font-size: 0.9rem; }
.plan__row span { color: var(--text-dim); }
.plan__row strong { color: #fff; }
.plan__cta { margin-top: auto; }

/* ---------- Details Table ---------- */
.table-wrap { padding: 8px; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; min-width: 480px; }
.table th, .table td { padding: 16px 20px; text-align: center; }
.table thead th {
  font-family: var(--font-head); font-size: 0.85rem; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--primary-2); border-bottom: 1px solid var(--border);
}
.table tbody tr { transition: background 0.3s; }
.table tbody tr + tr td { border-top: 1px solid var(--border); }
.table tbody tr:hover { background: rgba(56,189,248,0.06); }
.table td { color: var(--text-dim); font-variant-numeric: tabular-nums; }
.table td:first-child { color: #fff; font-weight: 600; }

.details__features { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 28px; }
.mini { padding: 20px; text-align: center; }
.mini span { display: block; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 6px; }
.mini strong { font-family: var(--font-head); font-size: 1.3rem; color: #fff; }

/* ---------- Compounding ---------- */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; padding: 36px; }
.calc__form { display: flex; flex-direction: column; gap: 22px; }
.calc__field { display: flex; flex-direction: column; gap: 10px; }
.calc__field > span { font-size: 0.85rem; color: var(--text-dim); font-weight: 500; }
.calc__field input {
  padding: 14px 16px; border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  color: #fff; font-size: 1.05rem; transition: border-color 0.3s;
}
.calc__field input:focus { outline: none; border-color: var(--primary-2); box-shadow: 0 0 0 3px rgba(56,189,248,0.15); }
.calc__tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.calc__tab {
  padding: 10px 16px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-dim); font-size: 0.88rem; font-weight: 500;
  transition: all 0.3s var(--ease);
}
.calc__tab:hover { color: var(--text); border-color: var(--border-glow); }
.calc__tab.active { background: linear-gradient(100deg, var(--primary), var(--primary-deep)); color: #fff; border-color: transparent; box-shadow: 0 6px 20px rgba(30,155,249,0.4); }

.calc__result { display: flex; flex-direction: column; gap: 24px; }
.calc__result-head { display: flex; flex-direction: column; gap: 8px; }
.calc__amount { font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
.calc__bars { display: flex; align-items: flex-end; gap: 6px; height: 140px; padding-top: 10px; }
.calc__bar {
  flex: 1; min-width: 4px;
  background: linear-gradient(180deg, var(--primary-2), var(--primary-deep));
  border-radius: 4px 4px 0 0;
  transition: height 0.6s var(--ease);
  box-shadow: 0 0 10px rgba(56,189,248,0.3);
}
.calc__legend { display: flex; gap: 24px; flex-wrap: wrap; padding-top: 12px; border-top: 1px solid var(--border); }
.calc__legend > div { display: flex; flex-direction: column; }
.calc__legend span { font-size: 0.8rem; color: var(--text-faint); }
.calc__legend strong { font-family: var(--font-head); color: #fff; }

/* ---------- Reward ---------- */
.reward__row { display: flex; align-items: stretch; gap: 14px; overflow-x: auto; padding-bottom: 12px; }
.reward__row::-webkit-scrollbar { height: 6px; }
.reward__row::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 6px; }
.reward-card {
  flex: 1 0 220px;
  padding: 28px 22px; text-align: center;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.reward-card__gift {
  width: 60px; height: 60px; margin: 0 auto;
  display: grid; place-items: center; border-radius: 18px;
  color: #fff;
  background: linear-gradient(140deg, var(--primary), var(--primary-deep));
  box-shadow: 0 0 30px rgba(56,189,248,0.5);
  animation: giftFloat 4s ease-in-out infinite;
}
@keyframes giftFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.reward-card__stage { font-family: var(--font-head); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--primary-2); }
.reward-card__title { font-size: 1.25rem; font-weight: 700; }
.reward-card__rows { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.reward-card__row { display: flex; justify-content: space-between; padding: 10px 14px; border-radius: 10px; background: rgba(0,0,0,0.25); border: 1px solid var(--border); }
.reward-card__row span { font-size: 0.82rem; color: var(--text-dim); }
.reward-card__row strong { font-family: var(--font-head); color: #fff; }
.reward-card__reward { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: var(--primary-2); text-shadow: 0 0 20px rgba(56,189,248,0.5); }
.reward-arrow {
  display: flex; align-items: center; color: var(--primary-2);
  flex-shrink: 0; animation: arrowPulse 2s ease-in-out infinite;
}
@keyframes arrowPulse { 0%, 100% { opacity: 0.5; transform: translateX(0); } 50% { opacity: 1; transform: translateX(4px); } }

/* ---------- ETM Token ---------- */
.etm__inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.etm__content .section__title { text-align: left; }
.etm__launch { color: var(--primary-2); font-family: var(--font-head); font-weight: 600; margin-bottom: 28px; font-size: 1.1rem; }
.etm__list { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.etm__list li { display: flex; justify-content: space-between; padding: 16px 20px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); }
.etm__list span { color: var(--text-dim); }
.etm__list strong { font-family: var(--font-head); color: #fff; }
.etm__utility-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.etm__utility-tags span { padding: 8px 16px; border-radius: 999px; font-size: 0.85rem; background: var(--surface-2); border: 1px solid var(--border-glow); color: var(--primary-2); }

.etm__coin { display: grid; place-items: center; }
.coin {
  position: relative; width: 240px; height: 240px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  box-shadow: 0 0 80px rgba(56,189,248,0.5), inset 0 0 40px rgba(255,255,255,0.15);
  animation: coinSpin 6s ease-in-out infinite;
}
@keyframes coinSpin { 0%, 100% { transform: rotateY(0); } 50% { transform: rotateY(180deg); } }
.coin__ring { position: absolute; inset: 14px; border: 2px dashed rgba(255,255,255,0.25); border-radius: 50%; animation: spin 20s linear infinite; }
.coin__face { font-family: var(--font-head); font-weight: 800; font-size: 3rem; color: #fff; letter-spacing: 0.05em; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.coin__shine { position: absolute; top: 10%; left: 15%; width: 50%; height: 30%; background: radial-gradient(ellipse, rgba(255,255,255,0.4), transparent 70%); border-radius: 50%; }

/* ---------- Income ---------- */
.income__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.income-card { padding: 28px 24px; display: flex; align-items: center; gap: 18px; }
.income-card__icon {
  width: 54px; height: 54px; flex-shrink: 0;
  display: grid; place-items: center; border-radius: 16px;
  color: var(--primary-2);
  background: linear-gradient(140deg, rgba(56,189,248,0.15), rgba(30,155,249,0.05));
  border: 1px solid var(--border);
}
.income-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.income-card p { color: var(--text-dim); font-size: 0.88rem; }
.income__note { display: flex; align-items: center; gap: 14px; padding: 22px 28px; margin-top: 28px; color: var(--text-dim); }
.income__note svg { color: var(--primary-2); flex-shrink: 0; }
.income__note strong { color: #fff; }

/* ---------- Security ---------- */
.security__inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; align-items: center; }
.security__visual { display: grid; place-items: center; }
.shield {
  width: 220px; height: 220px; border-radius: 50%;
  display: grid; place-items: center; color: var(--primary-2);
  background: radial-gradient(circle, rgba(56,189,248,0.18), transparent 70%);
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-glow);
  animation: pulse 4s ease-in-out infinite;
}
.security__content .section__title { text-align: left; }
.security__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.security__item {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 0.95rem; font-weight: 500;
  transition: border-color 0.3s, transform 0.3s;
}
.security__item:hover { border-color: var(--border-glow); transform: translateX(4px); }
.security__item svg { color: var(--primary-2); flex-shrink: 0; }

/* ---------- How It Works ---------- */
.how__steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.step {
  padding: 26px 20px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  position: relative;
}
.step__num {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 800; color: #fff;
  background: linear-gradient(140deg, var(--primary), var(--primary-deep));
  box-shadow: 0 0 20px rgba(56,189,248,0.4);
}
.step h3 { font-size: 1rem; }
.step p { color: var(--text-dim); font-size: 0.85rem; }
.step__arrow { color: var(--primary-2); font-size: 1.4rem; opacity: 0.5; }

/* ---------- FAQ ---------- */
.faq__inner { max-width: 820px; margin: 0 auto; }
.faq__list { display: flex; flex-direction: column; gap: 14px; }
.faq-item { padding: 0; }
.faq-item__q {
  width: 100%; text-align: left; padding: 22px 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: var(--font-head); font-weight: 600; font-size: 1.02rem;
}
.faq-item__q .chev { transition: transform 0.3s var(--ease); color: var(--primary-2); flex-shrink: 0; }
.faq-item.open .faq-item__q .chev { transform: rotate(180deg); }
.faq-item__a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq-item__a-inner { padding: 0 26px 24px; color: var(--text-dim); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding-top: 64px; margin-top: 40px; background: rgba(5,10,26,0.6); }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer__brand p { color: var(--text-dim); margin: 16px 0 20px; max-width: 320px; font-size: 0.92rem; }
.footer__social { display: flex; gap: 12px; }
.footer__social a {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}
.footer__social a:hover { color: #fff; border-color: var(--border-glow); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
.footer__col h4 { font-size: 0.95rem; margin-bottom: 16px; }
.footer__col a { display: block; color: var(--text-dim); padding: 6px 0; font-size: 0.92rem; transition: color 0.25s; }
.footer__col a:hover { color: var(--primary-2); }
.footer__bottom { border-top: 1px solid var(--border); padding: 22px 0; text-align: center; color: var(--text-faint); font-size: 0.88rem; }

/* ---------- Reveal Animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { height: 360px; }
  .stats__grid { grid-template-columns: repeat(3, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .chains__grid { grid-template-columns: repeat(4, 1fr); }
  .plans__grid { grid-template-columns: repeat(3, 1fr); }
  .details__features { grid-template-columns: repeat(3, 1fr); }
  .etm__inner { grid-template-columns: 1fr; gap: 40px; }
  .etm__content .section__title { text-align: center; }
  .security__inner { grid-template-columns: 1fr; gap: 40px; }
  .security__content .section__title { text-align: center; }
  .how__steps { grid-template-columns: repeat(3, 1fr); }
  .income__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .nav, .header__actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(5,10,26,0.95); backdrop-filter: blur(20px);
    padding: 20px; gap: 4px; border-bottom: 1px solid var(--border);
  }
  .nav.open .nav__link { padding: 12px 16px; }
  .header__actions { display: flex; }
  .header__actions .btn--ghost, .header__actions .btn--primary { display: none; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: 1fr; }
  .chains__grid { grid-template-columns: repeat(2, 1fr); }
  .plans__grid { grid-template-columns: 1fr; }
  .details__features { grid-template-columns: repeat(2, 1fr); }
  .calc { grid-template-columns: 1fr; gap: 28px; padding: 24px; }
  .income__grid { grid-template-columns: 1fr; }
  .security__grid { grid-template-columns: 1fr; }
  .how__steps { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__trust { gap: 24px; }
  .reward-arrow { display: none; }
}

@media (max-width: 420px) {
  .how__steps { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr; }
  .hero__visual { height: 300px; }
  .orb--outer { width: 280px; height: 280px; }
  .orb--mid { width: 180px; height: 180px; }
  .orb--core { width: 100px; height: 100px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}