/* ============================================================
   Silent Pulse Bridge — Global Stylesheet
   株式会社サイレントパルスブリッジ © 2026
   Font: Zen Kaku Gothic New + Orbitron
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@300;400;500;700&family=Orbitron:wght@400;500;700;900&family=Noto+Sans+JP:wght@200;300;400;500&display=swap');

/* ── Variables ─────────────────────────────────────── */
:root {
  --bg-primary:    #04080f;
  --bg-secondary:  #07101e;
  --bg-card:       rgba(8, 18, 36, 0.75);
  --bg-glass:      rgba(0, 212, 255, 0.03);
  --accent:        #00d4ff;
  --accent-dim:    rgba(0, 212, 255, 0.25);
  --accent-glow:   rgba(0, 212, 255, 0.08);
  --silver:        #a8b8c8;
  --silver-dim:    #607080;
  --white:         #e8f0f8;
  --text-muted:    #4a6080;
  --border:        rgba(0, 212, 255, 0.12);
  --border-silver: rgba(168, 184, 200, 0.15);
  --nav-h:         72px;
  --font-jp:       'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-tech:     'Orbitron', monospace;
  --ease-smooth:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-jp);
  background: var(--bg-primary);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── Particle Canvas ─────────────────────────────────── */
#particle-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ── Navigation ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  z-index: 1000;
  background: rgba(4, 8, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s ease;
}
.nav.scrolled { background: rgba(4, 8, 15, 0.97); }

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.logo-svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.logo-en {
  font-family: var(--font-tech);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  line-height: 1;
  text-transform: uppercase;
}
.logo-jp {
  font-family: var(--font-jp);
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--silver-dim);
  line-height: 1;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--silver);
  padding: 8px 12px;
  border-radius: 4px;
  transition: color 0.25s, background 0.25s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

/* Nav contact button */
.nav-cta {
  font-family: var(--font-tech);
  font-size: 10px !important;
  font-weight: 500;
  letter-spacing: 0.12em !important;
  color: var(--accent) !important;
  border: 1px solid var(--accent-dim) !important;
  padding: 7px 16px !important;
  border-radius: 3px !important;
  transition: all 0.25s !important;
}
.nav-cta:hover {
  background: var(--accent) !important;
  color: var(--bg-primary) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--silver);
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(4, 8, 15, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 20px 0;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--silver);
  padding: 12px 40px;
  transition: color 0.2s, background 0.2s;
  border-left: 2px solid transparent;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--accent);
  background: var(--accent-glow);
  border-left-color: var(--accent);
}

/* ── Hero Section ────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(4,8,15,0.3) 0%,
    rgba(4,8,15,0.1) 40%,
    rgba(4,8,15,0.7) 80%,
    var(--bg-primary) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 40px 24px;
}
.hero-overline {
  font-family: var(--font-tech);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}
.hero-title {
  font-family: var(--font-tech);
  font-size: clamp(28px, 5vw, 58px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}
.hero-title span { color: var(--accent); }
.hero-sub {
  font-family: var(--font-jp);
  font-size: clamp(14px, 1.8vw, 18px);
  font-weight: 300;
  color: var(--silver);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.65s forwards;
}
.hero-jp {
  font-size: 13px;
  font-weight: 200;
  color: var(--silver-dim);
  letter-spacing: 0.12em;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.75s forwards;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.9s forwards;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn-primary {
  font-family: var(--font-tech);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  border: none;
  padding: 14px 32px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3); }

.btn-secondary {
  font-family: var(--font-tech);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent-dim);
  padding: 13px 32px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
}
.btn-secondary:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ── Section Layouts ─────────────────────────────────── */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 40px;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-overline {
  font-family: var(--font-tech);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-tech);
  font-size: clamp(22px, 3.5vw, 38px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.2;
}
.section-title span { color: var(--accent); }
.section-subtitle {
  font-size: 14px;
  font-weight: 300;
  color: var(--silver);
  letter-spacing: 0.06em;
  max-width: 560px;
  margin: 0 auto;
}
.section-divider {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 24px auto 0;
  opacity: 0.5;
}

/* ── Page Hero (inner pages) ─────────────────────────── */
.page-hero {
  position: relative;
  padding: 160px 40px 100px;
  overflow: hidden;
  z-index: 1;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-line {
  position: absolute;
  bottom: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}
.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.page-hero-tag {
  font-family: var(--font-tech);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.page-hero-title {
  font-family: var(--font-tech);
  font-size: clamp(26px, 4.5vw, 52px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.page-hero-title span { color: var(--accent); }
.page-hero-sub {
  font-size: 15px;
  font-weight: 300;
  color: var(--silver);
  letter-spacing: 0.06em;
  max-width: 580px;
}

/* ── Cards ───────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: border-color 0.3s, background 0.3s;
}
.card:hover .card-icon {
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}
.card-icon svg { width: 24px; height: 24px; }
.card-num {
  font-family: var(--font-tech);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 14px;
  opacity: 0.7;
}
.card-title {
  font-family: var(--font-tech);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 8px;
}
.card-title-jp {
  font-size: 11px;
  font-weight: 300;
  color: var(--silver-dim);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.card-text {
  font-size: 13px;
  font-weight: 300;
  color: var(--silver);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ── Feature Row ─────────────────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 100px;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-visual {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.feature-visual img { width: 100%; height: 100%; object-fit: cover; }
.feature-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  box-shadow: inset 0 0 40px rgba(0, 212, 255, 0.04);
}
.feature-content {}
.feature-tag {
  font-family: var(--font-tech);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.feature-title {
  font-family: var(--font-tech);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  line-height: 1.3;
}
.feature-text {
  font-size: 14px;
  font-weight: 300;
  color: var(--silver);
  line-height: 1.85;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  font-weight: 300;
  color: var(--silver);
  letter-spacing: 0.04em;
}
.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 1px;
  background: var(--accent);
  margin-top: 11px;
}

/* ── Stats Row ───────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 80px 0;
}
.stat-item {
  background: var(--bg-card);
  padding: 40px 24px;
  text-align: center;
  transition: background 0.3s;
}
.stat-item:hover { background: var(--accent-glow); }
.stat-num {
  font-family: var(--font-tech);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 11px;
  font-weight: 300;
  color: var(--silver);
  letter-spacing: 0.1em;
}

/* ── Glass Panel ─────────────────────────────────────── */
.glass-panel {
  background: rgba(0, 212, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.glass-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

/* ── Timeline ────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent-dim) 20%, var(--accent-dim) 80%, transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -44px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-dim);
}
.timeline-year {
  font-family: var(--font-tech);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 8px;
}
.timeline-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}
.timeline-text {
  font-size: 13px;
  font-weight: 300;
  color: var(--silver);
  line-height: 1.75;
  letter-spacing: 0.03em;
}

/* ── Tabs ────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
  overflow-x: auto;
}
.tab-btn {
  font-family: var(--font-jp);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver-dim);
  padding: 14px 24px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.tab-btn.active, .tab-btn:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Form ────────────────────────────────────────────── */
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-family: var(--font-tech);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 13px 16px;
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.04em;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--silver-dim); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-select option { background: var(--bg-secondary); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ── Toast notification ──────────────────────────────── */
.toast {
  position: fixed;
  bottom: 40px;
  right: 40px;
  background: rgba(8, 18, 36, 0.96);
  border: 1px solid var(--accent-dim);
  border-radius: 8px;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s var(--ease-out);
  max-width: 360px;
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 20px var(--accent-glow);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { color: var(--accent); font-size: 18px; flex-shrink: 0; }
.toast-text { font-size: 13px; font-weight: 300; color: var(--silver); letter-spacing: 0.04em; }
.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--silver-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  line-height: 1;
  transition: color 0.2s;
}
.toast-close:hover { color: var(--white); }

/* ── Separator line ──────────────────────────────────── */
.sep {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
  margin: 0 40px;
}

/* ── Footer ──────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 72px 40px 36px;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-silver);
  margin-bottom: 36px;
}
.footer-brand {}
.footer-logo-text {
  font-family: var(--font-tech);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 4px;
}
.footer-logo-jp {
  font-size: 10px;
  font-weight: 300;
  color: var(--silver-dim);
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}
.footer-desc {
  font-size: 12.5px;
  font-weight: 300;
  color: var(--silver-dim);
  line-height: 1.85;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  max-width: 280px;
}
.footer-contact-info {
  font-size: 11.5px;
  font-weight: 300;
  color: var(--silver-dim);
  letter-spacing: 0.04em;
  line-height: 2;
}
.footer-contact-info a { transition: color 0.2s; }
.footer-contact-info a:hover { color: var(--accent); }
.footer-col-title {
  font-family: var(--font-tech);
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 12.5px;
  font-weight: 300;
  color: var(--silver-dim);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 11px;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.footer-policy {
  display: flex;
  gap: 24px;
}
.footer-policy a {
  font-size: 11px;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.footer-policy a:hover { color: var(--silver); }

/* ── Animations ──────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.8); opacity: 0; }
}
@keyframes scan-line {
  0%   { transform: translateY(-100%); opacity: 0; }
  10%  { opacity: 0.3; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(100vh); opacity: 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0,212,255,0.2); }
  50%       { box-shadow: 0 0 40px rgba(0,212,255,0.4); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.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; }

/* Scan line decoration */
.scan-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}
.scan-overlay::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.3), transparent);
  animation: scan-line 8s linear infinite;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 80px 24px; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row.reverse { direction: ltr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .glass-panel { padding: 32px 24px; }
}
@media (max-width: 640px) {
  :root { --nav-h: 60px; }
  .nav { padding: 0 16px; }
  .logo-en { font-size: 9px; }
  .section { padding: 60px 16px; }
  .page-hero { padding: 120px 16px 60px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  footer { padding: 48px 16px 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .sep { margin: 0 16px; }
  .toast { bottom: 16px; right: 16px; left: 16px; max-width: none; }
  .hero-actions { flex-direction: column; }
}