:root {
  --bg-deep: #060a14;
  --bg-card: rgba(12, 20, 40, 0.72);
  --navy: #0c1428;
  --cyan: #00e5ff;
  --cyan-dim: #00b8d4;
  --gold: #ffd54f;
  --gold-soft: #ffe082;
  --text: #e8eef8;
  --text-muted: #9aa8c0;
  --glass-border: rgba(0, 229, 255, 0.18);
  --radius: 18px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

/* subtle aurora background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(0, 229, 255, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(255, 213, 79, 0.08), transparent 45%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(0, 184, 212, 0.06), transparent);
  pointer-events: none;
  z-index: -1;
}

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

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(6, 10, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(6, 10, 20, 0.95);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-link { display: flex; align-items: center; text-decoration: none; }

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.3));
}

.main-nav ul {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--cyan);
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--transition);
}

.main-nav a:hover::after { width: 100%; }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
  transition: var(--transition);
}

/* HERO */
.hero {
  min-height: 100vh;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  position: relative;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 213, 79, 0.1));
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.4rem;
  background: linear-gradient(135deg, #fff 0%, var(--gold-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.hero-text p { margin-bottom: 1rem; color: var(--text-muted); }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.7rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: #041018;
  box-shadow: 0 8px 25px rgba(0, 229, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 229, 255, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.hero-visual {
  position: relative;
}

.hero-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow), 0 0 60px rgba(0, 229, 255, 0.15);
  border: 1px solid var(--glass-border);
}

/* TRUST STRIP */
.trust-strip {
  padding: 1.5rem 0;
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.06), rgba(255, 213, 79, 0.05));
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trust-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold);
}

.trust-item span:last-child {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* SECTIONS */
.section {
  padding: 5rem 0;
}

.section h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 1.8rem;
  color: #fff;
  position: relative;
  display: inline-block;
}

.section h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  border-radius: 2px;
}

.section h3 {
  font-size: 1.25rem;
  margin: 1.5rem 0 0.8rem;
  color: var(--gold-soft);
}

/* GLASS CARDS */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
}

.content-card p { margin-bottom: 1rem; color: var(--text-muted); }
.content-card p:last-child { margin-bottom: 0; }

.note {
  margin-top: 1.2rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  border-left: 3px solid var(--cyan);
  padding-left: 1rem;
}

/* TABLE */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.2rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  background: rgba(0, 229, 255, 0.08);
  color: var(--cyan);
  font-weight: 600;
}

td:first-child {
  color: var(--gold-soft);
  font-weight: 500;
  white-space: nowrap;
}

/* STEPS */
.steps-list {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.1rem 1.3rem;
  transition: border-color var(--transition), transform var(--transition);
}

.steps-list li:hover {
  border-color: var(--cyan);
  transform: translateX(4px);
}

.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: #041018;
  font-weight: 700;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
}

/* SPLIT LAYOUTS */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

.rounded-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

/* TWO COL */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.clean-list, .check-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.clean-list li, .check-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--text-muted);
}

.clean-list li::before {
  content: counter(list-item);
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.9rem;
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* METHODS */
.methods {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.7rem;
  margin: 1.2rem 0;
}

.methods li {
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

/* PROS CONS */
.pros h3 { color: #4ade80; }
.cons h3 { color: #f87171; }

.pros ul, .cons ul {
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.pros li, .cons li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--text-muted);
}

.pros li::before { content: '+'; position: absolute; left: 0; color: #4ade80; font-weight: 700; }
.cons li::before { content: '–'; position: absolute; left: 0; color: #f87171; font-weight: 700; }

/* FAQ */
.faq-list { display: grid; gap: 0.8rem; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.active { border-color: var(--cyan); }

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 1.2rem 1.4rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition);
}

.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--cyan);
  transition: transform var(--transition);
}

.faq-item.active .faq-q::after { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-a {
  max-height: 300px;
  padding: 0 1.4rem 1.3rem;
}

.faq-a p { color: var(--text-muted); }

/* CTA FINAL */
.cta-final { padding-bottom: 6rem; }

.cta-box {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(145deg, rgba(0, 229, 255, 0.1), rgba(255, 213, 79, 0.06));
}

.cta-box h2 { margin-bottom: 0.8rem; }
.cta-box p { color: var(--text-muted); margin-bottom: 1.5rem; max-width: 520px; margin-left: auto; margin-right: auto; }

/* FOOTER */
.site-footer {
  background: #04080f;
  border-top: 1px solid var(--glass-border);
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.footer-logo {
  height: 42px;
  width: auto;
  margin-bottom: 0.8rem;
  opacity: 0.9;
}

.footer-brand p, .footer-note p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--cyan); }

/* FLOAT CTA */
.float-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: #041018;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(0, 229, 255, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
}

.float-cta.visible {
  opacity: 1;
  visibility: visible;
}

.float-cta:hover { transform: translateY(-3px); }

/* COOKIE */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(8, 14, 28, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--glass-border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  z-index: 1100;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-notice.show { transform: translateY(0); }

.cookie-notice p { font-size: 0.9rem; color: var(--text-muted); }

.cookie-notice button {
  background: var(--cyan);
  color: #041018;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

/* IMG CENTER */
.img-center {
  margin: 2rem 0;
  text-align: center;
}

.img-center img {
  max-width: 720px;
  margin: 0 auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

/* HIGHLIGHT */
.highlight {
  border-color: rgba(255, 213, 79, 0.25);
  background: linear-gradient(145deg, rgba(12, 20, 40, 0.85), rgba(255, 213, 79, 0.05));
}

/* REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* RESPONSIVE */
@media (max-width: 960px) {
  .hero-content,
  .split,
  .two-col,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .split.reverse { direction: ltr; }

  .trust-grid { grid-template-columns: repeat(2, 1fr); }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(6, 10, 20, 0.98);
    backdrop-filter: blur(16px);
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .mobile-toggle { display: flex; }

  .hero { min-height: auto; padding-top: calc(var(--header-h) + 2rem); }
}

@media (max-width: 560px) {
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
  .hero-ctas { flex-direction: column; }
  .btn { width: 100%; }
  .section { padding: 3.5rem 0; }
  .cookie-notice { flex-direction: column; text-align: center; gap: 0.8rem; }
}