/* ==========================================================================
   GarudaShield — Features page (feature.garudashield.my.id)
   Shares the brand design system with the landing page & docs.
   ========================================================================== */

:root {
  --bg: #0a0e14;
  --bg-soft: #0d131c;
  --bg-elev: #111826;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.055);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #e9edf4;
  --muted: #97a1b3;
  --muted-2: #6b7587;

  --accent: #f5a524;
  --accent-soft: rgba(245, 165, 36, 0.12);
  --accent-glow: rgba(245, 165, 36, 0.35);

  --green: #3ecf8e;

  --wa: #25d366;
  --wa-hover: #2ee06f;
  --wa-soft: rgba(37, 211, 102, 0.12);
  --wa-glow: rgba(37, 211, 102, 0.35);

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1180px;

  --nav-h: 72px;
}

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

html { scroll-behavior: smooth; }

[id] { scroll-margin-top: calc(var(--nav-h) + 14px); }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent-soft); color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

img, svg { display: block; }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
  font-family: var(--font-body);
}

.btn:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 9px 18px; font-size: 0.88rem; }
.btn-lg { padding: 15px 28px; font-size: 1rem; }

.btn-wa {
  background: var(--wa);
  color: #05201a;
  box-shadow: 0 0 0 1px rgba(37, 211, 102, 0.4), 0 8px 24px -8px var(--wa-glow);
}
.btn-wa:hover { background: var(--wa-hover); transform: translateY(-1px); }

.wa-ico { width: 18px; height: 18px; flex-shrink: 0; }
.btn-lg .wa-ico { width: 20px; height: 20px; }

/* ===== Scroll progress ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  z-index: 300;
  background: linear-gradient(90deg, var(--accent), #ffb73d);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* ===== Navbar ===== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 14, 20, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--border);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.brand-mark { width: 34px; height: 34px; color: var(--accent); }
.brand-accent { color: var(--accent); }
.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(245, 165, 36, 0.3);
  padding: 3px 8px;
  border-radius: 6px;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.15s ease;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px 24px;
  background: rgba(10, 14, 20, 0.97);
  border-bottom: 1px solid var(--border);
}
.nav-mobile a {
  padding: 12px 4px;
  font-size: 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.nav-mobile a:last-child { border-bottom: 0; margin-top: 8px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 72px;
  overflow: hidden;
  isolation: isolate;
}

#net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.9;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 75%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(42% 38% at 16% 20%, rgba(245, 165, 36, 0.14), transparent 70%),
    radial-gradient(40% 36% at 84% 28%, rgba(37, 211, 102, 0.09), transparent 70%),
    radial-gradient(55% 45% at 50% 112%, rgba(245, 165, 36, 0.10), transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 260px;
  z-index: -1;
  background: linear-gradient(to bottom, transparent, var(--bg));
}

.hero-inner { max-width: 900px; text-align: center; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 28px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 var(--green);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(62, 207, 142, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(62, 207, 142, 0); }
  100% { box-shadow: 0 0 0 0 rgba(62, 207, 142, 0); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 24px;
  text-wrap: balance;
}
.grad-text {
  background: linear-gradient(100deg, #ffb73d, #f5a524 55%, #e08b00);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  text-wrap: pretty;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 900px;
  margin-inline: auto;
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), rgba(255, 255, 255, 0.01));
}
.stat { text-align: center; }
.stat-value {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--muted-2);
  margin-top: 4px;
}

/* ===== Feature index ===== */
.index { padding: 72px 0 8px; }
.index-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.index-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}
.index-item:hover {
  border-color: rgba(245, 165, 36, 0.45);
  transform: translateY(-2px);
  background: var(--surface-hover);
}
.index-ico {
  width: 38px; height: 38px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(245, 165, 36, 0.22);
}
.index-ico svg { width: 19px; height: 19px; }
.index-name { font-weight: 600; font-size: 0.92rem; flex: 1; min-width: 0; }
.index-arrow { color: var(--muted-2); flex-shrink: 0; transition: color 0.15s ease, transform 0.15s ease; }
.index-item:hover .index-arrow { color: var(--accent); transform: translateX(3px); }

/* ===== Feature blocks ===== */
.feature-block { padding: 96px 0; }
.feature-alt {
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(245, 165, 36, 0.05), transparent 70%),
    var(--bg-soft);
  border-block: 1px solid var(--border);
}

.fb-head {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  max-width: 820px;
  margin-bottom: 48px;
}
.fb-icon {
  width: 58px; height: 58px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(245, 165, 36, 0.25);
}
.fb-icon svg { width: 28px; height: 28px; }
.fb-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 12px 0 10px;
}
.fb-head p { color: var(--muted); max-width: 62ch; }

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(245, 165, 36, 0.25);
  padding: 6px 12px;
  border-radius: 6px;
}

/* ===== Spec grid ===== */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.spec {
  padding: 24px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.spec:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 165, 36, 0.4);
  background: var(--surface-hover);
}
.spec h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.spec h3::before {
  content: "";
  width: 8px; height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}
.spec p { color: var(--muted); font-size: 0.9rem; }
.spec code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: rgba(245, 165, 36, 0.1);
  color: #ffd28a;
  border: 1px solid rgba(245, 165, 36, 0.2);
  padding: 1px 5px;
  border-radius: 4px;
  white-space: nowrap;
}

/* ===== Table ===== */
.spec-table-wrap {
  margin-top: 40px;
  max-width: 820px;
}
.spec-table-wrap h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin-bottom: 16px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
}
th {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
}
tr:last-child td { border-bottom: 0; }
td { color: var(--muted); }
td:first-child { color: var(--text); font-weight: 500; white-space: nowrap; }
tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* ===== Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  padding: 34px 28px 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.step:hover { transform: translateY(-4px); border-color: rgba(245, 165, 36, 0.35); }
.step-num {
  position: absolute;
  top: 22px; right: 24px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--muted-2);
}
.step h3 { font-family: var(--font-head); font-size: 1.08rem; margin-bottom: 10px; padding-right: 40px; }
.step p { color: var(--muted); font-size: 0.92rem; }
.step code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: rgba(245, 165, 36, 0.1);
  color: #ffd28a;
  border: 1px solid rgba(245, 165, 36, 0.2);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ===== Callout ===== */
.callout {
  margin-top: 36px;
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(62, 207, 142, 0.3);
  background: linear-gradient(180deg, rgba(62, 207, 142, 0.07), transparent);
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 820px;
}
.callout strong { color: var(--green); }
.callout code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: rgba(62, 207, 142, 0.1);
  color: var(--green);
  border: 1px solid rgba(62, 207, 142, 0.25);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ===== Extra features ===== */
.extra-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.extra {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.extra:hover { border-color: rgba(245, 165, 36, 0.4); transform: translateY(-2px); }
.extra-ico {
  width: 42px; height: 42px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(245, 165, 36, 0.22);
}
.extra-ico svg { width: 21px; height: 21px; }
.extra h3 { font-family: var(--font-head); font-size: 1rem; margin-bottom: 6px; }
.extra p { color: var(--muted); font-size: 0.9rem; }

/* ===== CTA ===== */
.cta {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(245, 165, 36, 0.14), transparent 65%),
    var(--bg-soft);
  border-block: 1px solid var(--border);
}
.cta-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.4vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 18px;
  text-wrap: balance;
}
.cta-inner > p { color: var(--muted); max-width: 560px; margin: 0 auto 34px; }
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.cta-note { font-size: 0.85rem; color: var(--muted-2); }
.cta-note a { color: var(--accent); }
.cta-note a:hover { text-decoration: underline; }

/* ===== Floating WhatsApp ===== */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: calc(22px + env(safe-area-inset-bottom));
  z-index: 200;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--wa);
  color: #ffffff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.5);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.wa-float:hover {
  transform: translateY(-3px) scale(1.05);
  background: var(--wa-hover);
  box-shadow: 0 14px 34px -6px rgba(37, 211, 102, 0.6);
}
.wa-float .wa-ico { width: 30px; height: 30px; }
.wa-float::before {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid var(--wa);
  animation: wa-pulse 2.2s ease-out infinite;
}
@keyframes wa-pulse {
  0% { transform: scale(0.92); opacity: 0.9; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { opacity: 0; }
}

/* ===== Back to top ===== */
.to-top {
  position: fixed;
  left: 22px;
  bottom: calc(22px + env(safe-area-inset-bottom));
  z-index: 200;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: rgba(17, 24, 38, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.2s ease, border-color 0.2s ease;
}
.to-top svg { width: 18px; height: 18px; }
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { color: var(--accent); border-color: var(--accent); }

/* ===== Footer ===== */
.footer {
  padding: 72px 0 36px;
  background: var(--bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-about {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 40ch;
  margin: 18px 0 20px;
}
.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid rgba(62, 207, 142, 0.25);
  background: rgba(62, 207, 142, 0.06);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
}
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 18px;
}
.footer-col a, .footer-addr {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-addr { line-height: 1.7; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 28px;
}
.footer-bottom p { color: var(--muted-2); font-size: 0.84rem; }

/* ===== Reveal (fail-safe: only hidden once JS arms it) ===== */
html.reveal .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
html.reveal .reveal.in { opacity: 1; transform: translateY(0); }

/* Subtle stagger */
html.reveal .index-grid .reveal:nth-child(2) { transition-delay: 0.04s; }
html.reveal .index-grid .reveal:nth-child(3) { transition-delay: 0.08s; }
html.reveal .index-grid .reveal:nth-child(4) { transition-delay: 0.12s; }
html.reveal .index-grid .reveal:nth-child(5) { transition-delay: 0.16s; }
html.reveal .index-grid .reveal:nth-child(6) { transition-delay: 0.2s; }
html.reveal .index-grid .reveal:nth-child(7) { transition-delay: 0.24s; }
html.reveal .index-grid .reveal:nth-child(8) { transition-delay: 0.28s; }
html.reveal .spec-grid .reveal:nth-child(2) { transition-delay: 0.05s; }
html.reveal .spec-grid .reveal:nth-child(3) { transition-delay: 0.1s; }
html.reveal .spec-grid .reveal:nth-child(4) { transition-delay: 0.15s; }
html.reveal .spec-grid .reveal:nth-child(5) { transition-delay: 0.2s; }
html.reveal .spec-grid .reveal:nth-child(6) { transition-delay: 0.25s; }
html.reveal .steps .reveal:nth-child(2) { transition-delay: 0.1s; }
html.reveal .steps .reveal:nth-child(3) { transition-delay: 0.2s; }
html.reveal .extra-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
html.reveal .extra-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
html.reveal .extra-grid .reveal:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html.reveal .reveal { opacity: 1; transform: none; transition: none; }
  html.reveal .reveal.in { opacity: 1; transform: none; }
  #net { display: none; }
  .wa-float::before { animation: none; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .index-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-actions .btn-wa { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }
  .nav-mobile.hidden { display: none; }
}

@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .feature-block { padding: 72px 0; }
  .fb-head { flex-direction: column; gap: 16px; }
}

@media (max-width: 560px) {
  .index-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .extra-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding-inline: 18px; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a3346; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #3a4f6f; }
::-webkit-scrollbar-corner { background: var(--bg); }
html { scrollbar-width: thin; scrollbar-color: #2a3346 var(--bg); }