:root {
  --navy-950: #0b0f19;
  --navy-900: #10192e;
  --navy-800: #16223d;
  --blue-500: #2f6fed;
  --blue-400: #4f8bff;
  --blue-300: #8ab4ff;
  --green-500: #17c964;
  --ink: #0b0f19;
  --ink-soft: #4a5568;
  --paper: #ffffff;
  --paper-soft: #f5f7fb;
  --border: #e6e9f2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-md: 0 12px 30px -12px rgba(16, 25, 46, 0.18);
  --shadow-lg: 0 24px 60px -20px rgba(16, 25, 46, 0.28);
  --maxw: 1160px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue-500);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 200;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { box-shadow: var(--shadow-lg); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--blue-400); color: var(--blue-500); }
.btn-outline {
  background: transparent;
  color: var(--blue-500);
  border-color: var(--blue-500);
}
.btn-outline:hover { background: var(--blue-500); color: #fff; }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--blue-500); }
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.brand-badge {
  height: 30px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--blue-500); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 72px 0 96px;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(47,111,237,0.14), transparent 60%),
    var(--paper);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  color: var(--blue-500);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.hero h1 {
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  line-height: 1.12;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 52ch;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.hero-trust li { display: flex; align-items: center; gap: 8px; }
.hero-trust li::before {
  content: "✓";
  color: var(--green-500);
  font-weight: 800;
}

.hero-visual { position: relative; min-height: 360px; display: flex; align-items: center; justify-content: center; }
.device-photo {
  max-width: 320px;
  width: 78%;
  height: auto;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}
.hero-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 2;
}
.hero-card-label { font-size: 0.75rem; color: var(--ink-soft); font-weight: 600; }
.hero-card-value { font-size: 1.05rem; font-weight: 800; }
.hero-card-1 { top: 0; left: 0; }
.hero-card-2 { bottom: 12px; right: 0; }

/* Social proof marquee */
.proof { padding: 36px 0 8px; }
.proof-label {
  text-align: center;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 20px;
}
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: scroll-left 28s linear infinite;
}
.marquee-track span {
  font-weight: 700;
  color: var(--ink-soft);
  font-size: 1rem;
  white-space: nowrap;
  opacity: 0.8;
}
@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--paper-soft); }
.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  text-align: center;
}
.section-sub {
  color: var(--ink-soft);
  text-align: center;
  max-width: 62ch;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pillar {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: left;
}
.pillar-icon { font-size: 1.8rem; margin-bottom: 14px; }
.pillar h3 { margin: 0 0 8px; font-size: 1.08rem; }
.pillar p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Backed by */
.backed-by {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.backed-by .section-title, .backed-by .section-sub { text-align: left; margin: 0 0 0; }
.backed-copy .section-title { margin-bottom: 14px; }
.backed-logos {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.backed-logo {
  background: var(--navy-950);
  color: #fff;
  font-weight: 800;
  padding: 22px 28px;
  border-radius: var(--radius-md);
  flex: 1;
  min-width: 140px;
  text-align: center;
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.product-photo {
  width: 100%;
  height: 180px;
  object-fit: contain;
  margin: 4px 0 14px;
}
.product-issuer-logo {
  width: 100%;
  height: 180px;
  object-fit: contain;
  border-radius: 10px;
  margin: 4px 0 14px;
}
.product-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
}
.product-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--green-500);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.product-card h3 { margin: 6px 0 10px; font-size: 1.2rem; }
.product-desc { color: var(--ink-soft); font-size: 0.92rem; margin: 0 0 16px; flex: 0 0 auto; }
.product-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.product-features li { display: flex; align-items: center; gap: 8px; }
.product-features li::before { content: "✓"; color: var(--green-500); font-weight: 800; }
.product-price {
  font-size: 1.6rem;
  font-weight: 800;
  margin: auto 0 20px;
}
.product-price span { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); }

/* Guarantees */
.guarantees {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.guarantee {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.guarantee strong { font-size: 1.05rem; }
.guarantee span { color: var(--ink-soft); font-size: 0.9rem; }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 44px;
}
.step {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue-500);
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
}
.step h3 { margin: 0 0 8px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }
.steps-cta { text-align: center; }

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px 20px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 16px 0;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 14px;
  font-size: 1.3rem;
  color: var(--blue-500);
  font-weight: 700;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0 0 18px; color: var(--ink-soft); }

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  color: #fff;
  padding: 80px 0;
}
.final-cta-inner { text-align: center; }
.final-cta h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  margin: 0 0 14px;
}
.final-cta p {
  color: rgba(255,255,255,0.75);
  margin: 0 0 30px;
  font-size: 1.05rem;
}

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1.5fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: #fff; }
.footer-brand p { margin: 12px 0 0; font-size: 0.9rem; max-width: 42ch; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.92rem; }
.footer-nav a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.footer-contact a { color: #fff; text-decoration: none; font-weight: 700; }
.footer-contact span { font-size: 0.88rem; }
.footer-bottom { padding-top: 20px; font-size: 0.82rem; }

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 150;
  transition: transform 0.15s ease;
}
.whatsapp-fab:hover { transform: scale(1.06); }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { min-height: 280px; order: -1; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantees { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .backed-by { grid-template-columns: 1fr; text-align: center; }
  .backed-by .section-title, .backed-by .section-sub { text-align: center; margin-left: auto; margin-right: auto; }
  .backed-logos { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .site-header.nav-open .header-cta {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0 24px 20px;
    background: #fff;
  }
  .pillars { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .guarantees { grid-template-columns: 1fr; }
}