/* ============================================================
   VYUHA.AI — GLOBAL STYLESHEET
   Design System: Dark Sovereign / Electric Teal
   ============================================================ */

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

:root {
  --bg:           #0B0C10;
  --surface:      #131620;
  --card:         #1A1E2E;
  --card-hover:   #1E2235;
  --teal:         #66FCF1;
  --teal-dim:     #45B8B3;
  --teal-dark:    #2A7A76;
  --silver:       #C5C6C7;
  --text:         #F4F6F7;
  --muted:        #8A9BA8;
  --border:       rgba(102,252,241,0.12);
  --border2:      rgba(197,198,199,0.12);
  --glow-sm:      0 0 16px rgba(102,252,241,0.15);
  --glow-md:      0 0 28px rgba(102,252,241,0.22);
  --glow-lg:      0 0 48px rgba(102,252,241,0.18);
  --font-display: 'Figtree', sans-serif;
  --font-body:    'Instrument Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --nav-height:   64px;
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    14px;
  --radius-xl:    20px;
  --transition:   all 0.22s ease;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
img, svg { display: block; }
button { cursor: pointer; }

/* ============================================================
   NAVIGATION
   ============================================================ */

#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: var(--nav-height);
  background: rgba(11,12,16,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(11,12,16,0.96);
  border-bottom-color: rgba(102,252,241,0.18);
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-svg { width: 38px; height: 38px; }

.logo-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.logo-teal { color: var(--teal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item { position: relative; }

.nav-btn {
  background: none;
  border: none;
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--teal);
  background: rgba(102,252,241,0.07);
}

.nav-btn svg {
  width: 11px; height: 11px;
  transition: transform 0.2s ease;
  opacity: 0.6;
  flex-shrink: 0;
}

.nav-item .dropdown.open ~ .nav-btn svg,
.nav-item:has(.dropdown.open) .nav-btn svg { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 230px;
  background: #131620;
  border: 1px solid rgba(102,252,241,0.18);
  border-radius: var(--radius-md);
  padding: 6px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  box-shadow: 0 24px 64px rgba(0,0,0,0.7);
  z-index: 200;
}

/* JS adds .open — no gap between button and dropdown so mouse path is stable */
.dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dd-item {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--silver);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.dd-item:hover {
  color: var(--teal);
  background: rgba(102,252,241,0.08);
}

.dd-item small {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
  font-family: var(--font-mono);
}

.cta-btn {
  background: transparent;
  border: 1px solid var(--teal);
  color: var(--teal);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.03em;
  margin-left: 10px;
  text-decoration: none;
  white-space: nowrap;
  display: inline-block;
}

.cta-btn:hover {
  background: rgba(102,252,241,0.1);
  box-shadow: var(--glow-sm);
  transform: translateY(-1px);
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 40px 60px;
  margin-top: var(--nav-height);
}

#bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.55;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(102,252,241,0.08);
  border: 1px solid rgba(102,252,241,0.22);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
  width: fit-content;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(102,252,241,0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(102,252,241,0); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.8vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
  color: var(--text);
}

.hero h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero-sub {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
  margin-bottom: 36px;
  max-width: 490px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.gateway-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
}

.gateway-svg { width: 100%; height: 100%; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary {
  display: inline-block;
  background: var(--teal);
  color: #0B0C10;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  padding: 13px 26px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--teal-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(102,252,241,0.28);
}

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 13px 26px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-ghost:hover {
  border-color: rgba(197,198,199,0.32);
  color: var(--text);
  background: rgba(197,198,199,0.06);
}

/* ============================================================
   SECTION UTILITIES
   ============================================================ */

.section-wrap {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.8vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text);
}

.section-sub {
  color: var(--muted);
  font-size: 15.5px;
  max-width: 580px;
  line-height: 1.75;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 40px;
}

/* ============================================================
   PLATFORM CARDS
   ============================================================ */

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.p-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
}

.p-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(102,252,241,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.p-card:hover {
  border-color: rgba(102,252,241,0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.45), var(--glow-sm);
}

.p-card:hover::before { opacity: 1; }

.p-card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--teal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.powered-badge {
  background: rgba(102,252,241,0.08);
  border: 1px solid rgba(102,252,241,0.18);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 10px;
}

.p-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.p-card > p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.feat {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.feat-dot {
  width: 6px; height: 6px;
  min-width: 6px;
  background: var(--teal);
  border-radius: 50%;
  margin-top: 8px;
}

.feat-text {
  font-size: 13.5px;
  color: var(--silver);
  line-height: 1.55;
}

.feat-text strong {
  color: var(--text);
  font-weight: 600;
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}

.card-link {
  position: absolute;
  bottom: 28px;
  right: 28px;
  color: var(--teal);
  font-size: 20px;
  opacity: 0.5;
  transition: var(--transition);
  text-decoration: none;
}

.p-card:hover .card-link {
  opacity: 1;
  transform: translate(3px, -3px);
}

/* ============================================================
   FDE SECTION
   ============================================================ */

.fde-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}

.fde-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.fde-steps { display: flex; flex-direction: column; }

.fde-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.fde-step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  min-width: 28px;
  padding-top: 4px;
  letter-spacing: 0.05em;
}

.step-body strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.step-body p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.65;
}

/* ============================================================
   PAGE HERO (internal pages)
   ============================================================ */

.page-body { padding-top: var(--nav-height); }

.page-hero {
  padding: 70px 40px 40px;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  margin-bottom: 20px;
  transition: color 0.2s;
}

.back-link:hover { color: var(--teal); }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  color: var(--text);
}

.page-hero > p {
  color: var(--muted);
  font-size: 16px;
  max-width: 620px;
  line-height: 1.78;
}

.powered-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(102,252,241,0.07);
  border: 1px solid rgba(102,252,241,0.2);
  border-radius: var(--radius-sm);
  padding: 5px 13px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--teal);
  margin-top: 18px;
  letter-spacing: 0.05em;
}

/* ============================================================
   FEATURE GRID (inner pages)
   ============================================================ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.feat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.feat-card:hover {
  border-color: rgba(102,252,241,0.26);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.4);
}

.feat-icon {
  width: 46px; height: 46px;
  background: rgba(102,252,241,0.07);
  border: 1px solid rgba(102,252,241,0.16);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 18px;
  color: var(--teal);
}

.feat-icon svg { width: 22px; height: 22px; }

.feat-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 9px;
  color: var(--text);
}

.feat-card p {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.68;
}

/* ============================================================
   CYBER SHIELD TABS
   ============================================================ */

.tab-nav {
  display: flex;
  gap: 6px;
  margin-top: 40px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.tab-btn {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--silver);
  border-color: rgba(197,198,199,0.25);
}

.tab-btn.active {
  background: rgba(102,252,241,0.1);
  border-color: rgba(102,252,241,0.32);
  color: var(--teal);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.shield-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.shield-icon {
  width: 56px; height: 56px;
  background: rgba(102,252,241,0.08);
  border: 1px solid rgba(102,252,241,0.18);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.shield-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.shield-card .desc {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.78;
  margin-bottom: 24px;
}

.shield-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-box {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-lbl {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.manifesto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 48px;
  align-items: start;
}

.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--text);
}

.manifesto-quote em {
  color: var(--teal);
  font-style: normal;
}

.manifesto-body {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.82;
  padding-top: 8px;
}

.manifesto-body p + p { margin-top: 16px; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.stat-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-lbl {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.about-blocks {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 48px;
}

.about-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.about-block h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--teal);
}

.about-block p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 48px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--silver);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(102,252,241,0.4);
  box-shadow: 0 0 0 3px rgba(102,252,241,0.07);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }

.form-group select { appearance: none; }
.form-group select option { background: var(--card); }

.form-group textarea { resize: vertical; min-height: 120px; }

.contact-info { display: flex; flex-direction: column; gap: 24px; }

.info-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.info-block h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 8px;
}

.info-block p {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.65;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 60px 40px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 60px;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-logo span { color: var(--teal); }

.footer-tagline {
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--font-mono);
}

.footer-nav {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 13.5px;
  color: var(--silver);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--teal); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: rgba(138,155,168,0.55);
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   CTA STRIP
   ============================================================ */

.cta-strip {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 40px;
  text-align: center;
}

.cta-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text);
}

.cta-strip p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .hero-inner { gap: 40px; }
  .fde-inner { gap: 40px; }
  .contact-grid { gap: 40px; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .gateway-wrap { display: none; }
  .fde-inner { grid-template-columns: 1fr; }
  .manifesto { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .shield-card { grid-template-columns: 1fr; gap: 28px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .footer-inner { gap: 40px; }
}

@media (max-width: 768px) {
  #navbar { padding: 0 20px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(11,12,16,0.98); border-bottom: 1px solid var(--border); padding: 16px 20px; gap: 4px; }
  .nav-links.open { display: flex; }
  .mobile-menu-btn { display: flex; }
  .hero { padding: 60px 24px 48px; }
  .section-wrap { padding: 60px 24px; }
  .fde-section { padding: 60px 24px; }
  .section-divider { margin: 0 24px; }
  .platform-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 40px 24px 32px; }
  .site-footer { padding: 48px 24px 28px; }
  .footer-nav { gap: 32px; }
  .cta-strip { padding: 52px 24px; }
  .tab-nav { gap: 4px; }
  .tab-btn { font-size: 12px; padding: 8px 12px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .stats-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; text-align: center; }
  .footer-nav { flex-direction: column; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

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

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }
.reveal:nth-child(5) { transition-delay: 0.32s; }
.reveal:nth-child(6) { transition-delay: 0.40s; }