/* ===== CyberLayer — Design System ===== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #060a12;
  --bg-alt: #0a111c;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eaf0f8;
  --text-dim: #93a1b8;
  --text-faint: #5c6b84;
  --accent: #35e0c4;
  --accent-2: #7c8cff;
  --accent-glow: rgba(53, 224, 196, 0.35);
  --danger: #ff5c7a;
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1200px;
  --font-head: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; padding: 100px 0; }

@media (max-width: 768px) {
  section { padding: 64px 0; }
}

/* background grid/glow texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 15% 10%, rgba(53, 224, 196, 0.10), transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(124, 140, 255, 0.10), transparent 45%),
    linear-gradient(var(--bg), var(--bg-alt));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #22b8a0);
  color: #04120f;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.btn-block { width: 100%; justify-content: center; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 10, 18, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text);
}

.logo-mark {
  width: 30px;
  height: auto;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -20px;
  height: 2px;
  background: var(--accent);
}

.nav-actions { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s ease;
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 71px;
    left: 0; right: 0;
    background: rgba(8, 13, 22, 0.98);
    backdrop-filter: blur(14px);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links a {
    width: 100%;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
  }
  .nav-links a.active::after { display: none; }
  .nav-actions .btn-ghost { display: none; }
}

/* ===== Hero ===== */
.hero {
  padding: 120px 0 100px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(53, 224, 196, 0.08);
  border: 1px solid rgba(53, 224, 196, 0.25);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  max-width: 900px;
  margin: 0 auto 22px;
}

.hero h1 .grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  max-width: 620px;
  margin: 0 auto 40px;
  font-size: 1.15rem;
  color: var(--text-dim);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.trust-strip {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.trust-item { text-align: center; }
.trust-item .num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}
.trust-item .num span { color: var(--accent); }
.trust-item .label {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 4px;
}

/* ===== Section headers ===== */
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin: 14px 0 16px;
}
.section-head p {
  color: var(--text-dim);
  font-size: 1.05rem;
}
.section-head.left { margin: 0 0 48px; text-align: left; }

/* ===== Cards / Grid ===== */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(6px);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(53,224,196,0.18), rgba(124,140,255,0.18));
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.card p { color: var(--text-dim); font-size: 0.95rem; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

/* ===== Process / Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.step {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.step .step-num {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  display: block;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 0.9rem; }

/* ===== Split section ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
}

.feature-list { margin-top: 28px; display: flex; flex-direction: column; gap: 18px; }
.feature-item { display: flex; gap: 14px; align-items: flex-start; }
.feature-item .check {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(53, 224, 196, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.feature-item strong { display: block; margin-bottom: 2px; }
.feature-item span.desc { color: var(--text-dim); font-size: 0.92rem; }

.visual-panel {
  background: linear-gradient(160deg, rgba(53,224,196,0.08), rgba(124,140,255,0.06));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.visual-panel .layer-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.visual-panel .layer-row .dot-ico {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  flex-shrink: 0;
}
.visual-panel .layer-row span { font-size: 0.9rem; color: var(--text-dim); }

/* ===== CTA banner ===== */
.cta-banner {
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(135deg, rgba(53,224,196,0.10), rgba(124,140,255,0.08));
  padding: 64px 48px;
  text-align: center;
}
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.cta-banner p { color: var(--text-dim); max-width: 520px; margin: 0 auto 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
.footer-brand p { color: var(--text-dim); font-size: 0.92rem; margin-top: 14px; max-width: 280px; }
.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: var(--text-dim); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.85rem;
}

/* ===== Page hero (interior pages) ===== */
.page-hero {
  padding: 72px 0 56px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-bottom: 16px; }
.page-hero p { color: var(--text-dim); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }

/* ===== Service detail rows ===== */
.service-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 20px;
}
@media (max-width: 700px) {
  .service-row { grid-template-columns: 1fr; text-align: left; }
}
.service-row .card-icon { margin-bottom: 0; }
.service-row h3 { margin-bottom: 6px; }
.service-row p { color: var(--text-dim); font-size: 0.92rem; }
.service-row ul.tags {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px;
}
.service-row ul.tags li {
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.info-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  margin-bottom: 16px;
}
.info-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.info-card p, .info-card a { color: var(--text-dim); font-size: 0.9rem; }
.info-card a:hover { color: var(--accent); }

.form-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.05);
}
.field textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-top: 14px;
  text-align: center;
}

/* ===== Legal / policy text ===== */
.legal {
  max-width: 780px;
  margin: 0 auto;
}
.legal h2 {
  font-size: 1.3rem;
  margin: 40px 0 14px;
}
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li {
  color: var(--text-dim);
  font-size: 0.96rem;
  margin-bottom: 14px;
}
.legal ul { padding-left: 20px; list-style: disc; }
.legal ul li { margin-bottom: 8px; }
.legal .updated {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin-bottom: 40px;
}

/* ===== Values / About ===== */
.value-card { text-align: left; }

.stat-block {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 760px) { .stat-block { grid-template-columns: repeat(2, 1fr); } }
.stat-block .num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-block .label { color: var(--text-dim); font-size: 0.9rem; margin-top: 6px; }

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }

.reveal {
  opacity: 1;
}