/* ═══════════════════════════════════════════════════════
   ROOTCRAFT — CYBERPUNK LANDING PAGE
   ═══════════════════════════════════════════════════════ */

:root {
  --black:      #080c10;
  --darker:     #0a0f14;
  --dark:       #0d1520;
  --surface:    #111a24;
  --surface-2:  #162030;
  --border:     #1a3a2a;
  --border-2:   #0f2820;

  --green:      #00ff41;
  --green-dim:  #00cc34;
  --green-glow: rgba(0, 255, 65, 0.15);
  --cyan:       #00e5ff;
  --cyan-dim:   #00b8cc;
  --red:        #ff2a4a;
  --yellow:     #ffd000;
  --purple:     #9d00ff;

  --text:       #c8e8c8;
  --text-dim:   #6a9a7a;
  --text-muted: #3a5a4a;

  --font-mono:  'Share Tech Mono', 'Courier New', monospace;
  --font-head:  'Orbitron', sans-serif;
  --font-body:  'Rajdhani', sans-serif;

  --glow-green: 0 0 8px rgba(0,255,65,0.6), 0 0 20px rgba(0,255,65,0.3);
  --glow-cyan:  0 0 8px rgba(0,229,255,0.6), 0 0 20px rgba(0,229,255,0.2);

  --radius:     4px;
  --nav-h:      64px;
}

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

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

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Matrix canvas ──────────────────────────────────── */
#matrix-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.04;
  pointer-events: none;
}

/* ── Scanlines ──────────────────────────────────────── */
.scanlines {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.08) 3px,
    rgba(0,0,0,0.08) 4px
  );
}

/* ── Shared layout ──────────────────────────────────── */
.section { position: relative; z-index: 2; padding: 100px 0; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
  opacity: 0.8;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.section-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 64px;
}
.accent { color: var(--green); }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--green);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::before { opacity: 0.06; }

.btn-primary {
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  box-shadow: var(--glow-green);
}
.btn-primary:hover {
  background: #00ff60;
  box-shadow: 0 0 16px rgba(0,255,65,0.8), 0 0 40px rgba(0,255,65,0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-ghost:hover {
  background: var(--green-glow);
  box-shadow: var(--glow-green);
  transform: translateY(-1px);
}

.btn-nav {
  background: transparent;
  color: var(--green);
  border: 1px solid rgba(0,255,65,0.4);
  padding: 8px 20px;
  font-size: 0.82rem;
}
.btn-nav:hover {
  border-color: var(--green);
  background: var(--green-glow);
}

.btn-lg { padding: 16px 36px; font-size: 0.95rem; }
.btn-icon { font-size: 0.75em; }
.full-width { width: 100%; justify-content: center; }

/* ── Nav ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(8, 12, 16, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 48px;
}
.logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 900;
  white-space: nowrap;
  letter-spacing: 0.12em;
}
.logo-bracket { color: var(--text-dim); }
.logo-text { color: #fff; margin: 0 2px; }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  flex: 1;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--green); }

/* ── Hero ───────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
  background:
    radial-gradient(ellipse 70% 50% at 70% 50%, rgba(0,255,65,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(0,229,255,0.03) 0%, transparent 60%);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.15em;
  border: 1px solid rgba(0,255,65,0.3);
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 28px;
  background: rgba(0,255,65,0.04);
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s infinite;
}

/* ── Glitch effect ──────────────────────────────────── */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}
.glitch::before {
  color: var(--cyan);
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
  transform: translate(-3px, 0);
  animation: glitch-1 4s infinite;
}
.glitch::after {
  color: var(--red);
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
  transform: translate(3px, 0);
  animation: glitch-2 4s infinite;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 16px;
}
.hero-title .accent { display: block; color: var(--green); text-shadow: var(--glow-green); }
.hero-sub {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  color: var(--cyan);
  margin-bottom: 24px;
  opacity: 0.9;
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-desc strong { color: var(--text); }

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}

/* ── Terminal widget ────────────────────────────────── */
.terminal-wrap {
  position: relative;
}
.terminal {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  box-shadow: 0 0 40px rgba(0,255,65,0.08), inset 0 0 30px rgba(0,0,0,0.4);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.terminal-title {
  margin-left: 8px;
  color: var(--text-dim);
  font-size: 0.75rem;
  flex: 1;
  text-align: center;
}
.terminal-body {
  padding: 20px;
  min-height: 280px;
  background: rgba(0,0,0,0.4);
}
.t-line { display: flex; align-items: flex-start; gap: 8px; line-height: 1.6; }
.t-prompt { color: var(--green); white-space: nowrap; }
.t-cmd { color: #fff; }
.t-cursor {
  color: var(--green);
  animation: blink-cursor 1s step-end infinite;
}
.t-output {
  margin-top: 8px;
  color: var(--text-dim);
  line-height: 1.8;
  min-height: 160px;
}
.t-output .t-success { color: var(--green); }
.t-output .t-warn    { color: var(--yellow); }
.t-output .t-error   { color: var(--red); }
.t-output .t-info    { color: var(--cyan); }

.terminal-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(0,255,65,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ── Scroll cue ─────────────────────────────────────── */
.scroll-cue {
  text-align: center;
  padding-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
}
.scroll-arrow {
  font-size: 1.2rem;
  color: var(--green);
  animation: bounce 2s infinite;
  margin-top: 8px;
}

/* ── Stats bar ──────────────────────────────────────── */
.stats-bar {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--darker);
  padding: 28px 0;
}
.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--green);
  text-shadow: var(--glow-green);
}
.stat-suf { font-family: var(--font-head); font-size: 1.4rem; color: var(--green); }
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-top: 4px;
  text-transform: uppercase;
}
.stat-divider {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--border);
}

/* ── Features ───────────────────────────────────────── */
.features { background: var(--black); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--darker);
  border: 1px solid var(--border);
  padding: 36px 30px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: default;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover {
  background: var(--surface);
  border-color: rgba(0,255,65,0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,255,65,0.08);
}
.feature-card:hover::before { opacity: 1; }

.card-index {
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--font-head);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.card-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.feature-card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}
.card-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 0.15em;
  border: 1px solid rgba(0,255,65,0.25);
  display: inline-block;
  padding: 3px 10px;
  border-radius: 2px;
  background: rgba(0,255,65,0.04);
}

/* ── How it works ───────────────────────────────────── */
.how-it-works { background: var(--darker); }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--border-2);
  position: relative;
}
.step-right {
  grid-template-columns: 80px 1fr 1fr;
}
.step:last-child { border-bottom: none; }
.step-line {
  position: absolute;
  left: 39px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border), transparent);
}
.step-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 900;
  color: var(--green);
  text-shadow: var(--glow-green);
  line-height: 1;
  padding-top: 4px;
  flex-shrink: 0;
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.step-content p { font-size: 0.98rem; color: var(--text-dim); }
.step-terminal {
  background: var(--black);
  border: 1px solid var(--border);
  padding: 18px 20px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.8;
}
.step-terminal code { display: block; }

/* ── Courses ────────────────────────────────────────── */
.courses { background: var(--black); }
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  background: var(--darker);
  border: 1px solid var(--border);
  padding: 36px 28px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s;
}
.course-card:hover {
  border-color: rgba(0,255,65,0.3);
  box-shadow: 0 0 30px rgba(0,255,65,0.06);
}
.course-featured {
  border-color: rgba(0,255,65,0.4);
  background: var(--surface);
  box-shadow: 0 0 40px rgba(0,255,65,0.08);
  position: relative;
}
.course-featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--green) 50%, transparent 100%);
}

.course-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}
.accent-badge { color: var(--green); }
.course-icon { font-size: 2.4rem; }
.course-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: 0.05em;
}
.course-desc { font-size: 0.95rem; color: var(--text-dim); }
.course-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.course-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-left: 16px;
  position: relative;
}
.course-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--green);
}
.course-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

/* ── Stats section ──────────────────────────────────── */
.stats-section { background: var(--darker); }
.stats-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-bottom: 64px;
}
.stats-card {
  background: var(--black);
  border: 1px solid var(--border);
  padding: 32px 24px;
  transition: border-color 0.3s;
}
.stats-card:hover { border-color: rgba(0,255,65,0.3); }
.stats-card-icon { font-size: 1.8rem; margin-bottom: 14px; display: block; }
.stats-card h4 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: #fff;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.stats-card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.7; }

/* ── Rank track ─────────────────────────────────────── */
.rank-track {
  border: 1px solid var(--border);
  padding: 32px;
  background: var(--black);
  border-radius: 4px;
}
.rank-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}
.ranks {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.rank {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 2px;
  border: 1px solid;
}
.rank-done  { color: var(--text-dim); border-color: var(--border); background: var(--darker); }
.rank-active {
  color: var(--green);
  border-color: var(--green);
  background: var(--green-glow);
  box-shadow: var(--glow-green);
  animation: pulse-glow 2s infinite;
}
.rank-locked { color: var(--text-muted); border-color: var(--border-2); opacity: 0.5; }
.rank-arrow { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.9rem; }

/* ── CTA section ────────────────────────────────────── */
.cta-section {
  background: var(--black);
  text-align: center;
  overflow: hidden;
}
.cta-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-2) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  pointer-events: none;
}
.cta-bg-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0,255,65,0.06) 0%, transparent 70%);
}
.cta-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 120px;
}
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.15em;
  border: 1px solid rgba(0,255,65,0.3);
  padding: 6px 16px;
  border-radius: 2px;
  margin-bottom: 36px;
  background: rgba(0,255,65,0.04);
}
.badge-dot.pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 1.5s infinite;
}
.cta-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.cta-desc {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.8;
}
.cta-form {
  display: flex;
  gap: 0;
  max-width: 560px;
  width: 100%;
  margin-bottom: 20px;
}
.cta-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-right: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 14px 20px;
  outline: none;
  border-radius: 4px 0 0 4px;
  transition: border-color 0.2s;
}
.cta-input:focus { border-color: var(--green); }
.cta-input::placeholder { color: var(--text-muted); }
.cta-form .btn-primary { border-radius: 0 4px 4px 0; white-space: nowrap; }
.cta-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.cta-note a { color: var(--green); text-decoration: none; }
.cta-features {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ── Footer ─────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  background: var(--darker);
  padding: 36px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-links {
  display: flex;
  gap: 28px;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--green); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Animations ─────────────────────────────────────── */
@keyframes glitch-1 {
  0%,  85%  { opacity: 0; }
  87%        { opacity: 0.8; transform: translate(-3px, -1px); }
  89%        { opacity: 0; }
  91%        { opacity: 0.6; transform: translate(-4px, 1px); }
  93%, 100% { opacity: 0; }
}
@keyframes glitch-2 {
  0%,  85%  { opacity: 0; }
  88%        { opacity: 0.7; transform: translate(3px, 1px); }
  90%        { opacity: 0; }
  92%        { opacity: 0.5; transform: translate(4px, -1px); }
  94%, 100% { opacity: 0; }
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
  50%       { opacity: 0.4; box-shadow: none; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--glow-green); }
  50%       { box-shadow: 0 0 20px rgba(0,255,65,0.6), 0 0 40px rgba(0,255,65,0.3); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
.blink { animation: blink 1.2s step-end infinite; }

/* ── Scroll reveal ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-cards   { grid-template-columns: repeat(2, 1fr); }
  .courses-grid  { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 60px 24px 40px;
  }
  .nav-links { display: none; }
  .nav-inner { padding: 0 24px; }
  .features-grid  { grid-template-columns: 1fr; }
  .stats-cards    { grid-template-columns: 1fr; }
  .stats-inner    { flex-direction: column; gap: 20px; }
  .stat-divider   { display: none; }
  .step {
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto;
  }
  .step-terminal  { grid-column: 1 / -1; }
  .section-inner  { padding: 0 24px; }
  .cta-form { flex-direction: column; }
  .cta-input { border-right: 1px solid var(--border); border-radius: 4px; }
  .cta-form .btn-primary { border-radius: 4px; }
  .ranks { gap: 6px; }
  .rank { font-size: 0.62rem; padding: 4px 10px; }
}