/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-primary: #0066cc;
  --clr-primary-dark: #004d99;
  --clr-accent: #00a86b;
  --clr-accent-light: #e6f7f0;
  --clr-bg: #ffffff;
  --clr-bg-alt: #f7f9fc;
  --clr-bg-dark: #0f172a;
  --clr-text: #1e293b;
  --clr-text-light: #64748b;
  --clr-border: #e2e8f0;
  --clr-highlight: #fff7ed;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12);
  --max-width: 1140px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--clr-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--clr-primary-dark); }

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

/* === Navigation === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-size: 1.25rem; font-weight: 700; color: var(--clr-text);
}
.nav-logo span { color: var(--clr-primary); }
.nav-links {
  list-style: none; display: flex; align-items: center; gap: 28px;
}
.nav-links a {
  font-size: .9rem; font-weight: 500; color: var(--clr-text-light);
}
.nav-links a:hover { color: var(--clr-primary); }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 28px; height: 20px; position: relative;
}
.nav-toggle span {
  display: block; width: 100%; height: 2px; background: var(--clr-text);
  position: absolute; left: 0; transition: .3s;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 9px; }
.nav-toggle span:nth-child(3) { top: 18px; }

/* === Buttons === */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: .95rem; text-align: center;
  transition: all .2s; cursor: pointer; border: 2px solid transparent;
}
.btn-primary {
  background: var(--clr-primary); color: #fff; border-color: var(--clr-primary);
}
.btn-primary:hover {
  background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); color: #fff;
}
.btn-outline {
  background: transparent; color: var(--clr-primary); border-color: var(--clr-primary);
}
.btn-outline:hover { background: var(--clr-primary); color: #fff; }
.btn-sm { padding: 8px 20px; font-size: .85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* === Hero === */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 50%, #f0fdf4 100%);
  text-align: center;
}
.hero-tag {
  display: inline-block; background: var(--clr-accent-light); color: var(--clr-accent);
  font-weight: 600; font-size: .85rem; padding: 6px 16px; border-radius: 20px;
  margin-bottom: 20px; letter-spacing: .02em;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800;
  line-height: 1.2; margin-bottom: 20px; color: var(--clr-text);
}
.hero-sub {
  font-size: 1.15rem; color: var(--clr-text-light); max-width: 640px;
  margin: 0 auto 32px; line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-disclaimer {
  margin-top: 32px; font-size: .78rem; color: var(--clr-text-light);
  max-width: 560px; margin-left: auto; margin-right: auto;
}

/* === Trust Bar === */
.trust-bar {
  background: var(--clr-bg-dark); color: #fff; padding: 32px 0 24px;
}
.trust-items {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  text-align: center;
}
.trust-item strong { display: block; font-size: 1.5rem; margin-bottom: 4px; }
.trust-item span { font-size: .85rem; color: #94a3b8; }
.trust-note {
  text-align: center; font-size: .75rem; color: #64748b;
  margin-top: 16px;
}

/* === Sections === */
.section { padding: 80px 0; }
.section:nth-child(even) { background: var(--clr-bg-alt); }
.section-title {
  text-align: center; font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700; margin-bottom: 12px;
}
.section-sub {
  text-align: center; color: var(--clr-text-light); max-width: 600px;
  margin: 0 auto 48px; font-size: 1.05rem;
}

/* === Benefits Grid === */
.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.benefit-card {
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 32px 28px;
  transition: transform .2s, box-shadow .2s;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.benefit-icon {
  width: 48px; height: 48px; color: var(--clr-primary);
  margin-bottom: 16px;
}
.benefit-icon svg { width: 100%; height: 100%; }
.benefit-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.benefit-card p { color: var(--clr-text-light); font-size: .92rem; line-height: 1.7; }

/* === Process Steps === */
.process { background: var(--clr-bg-alt); }
.process-steps { max-width: 700px; margin: 0 auto; }
.step {
  display: flex; gap: 24px; margin-bottom: 36px;
  position: relative;
}
.step:not(:last-child)::after {
  content: ''; position: absolute; left: 23px; top: 52px;
  width: 2px; height: calc(100% - 16px); background: var(--clr-border);
}
.step-number {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%;
  background: var(--clr-primary); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; position: relative; z-index: 1;
}
.step-content h3 { margin-bottom: 6px; font-size: 1.05rem; }
.step-content p { color: var(--clr-text-light); font-size: .92rem; }

/* === Timeline Table === */
.timeline-table-wrap { overflow-x: auto; margin-bottom: 16px; }
.timeline-table {
  width: 100%; border-collapse: collapse; background: var(--clr-bg);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.timeline-table th, .timeline-table td {
  padding: 16px 20px; text-align: left; font-size: .92rem;
}
.timeline-table thead { background: var(--clr-bg-dark); color: #fff; }
.timeline-table th { font-weight: 600; }
.timeline-table tbody tr { border-bottom: 1px solid var(--clr-border); }
.timeline-table tbody tr:last-child { border-bottom: none; }
.timeline-table tbody tr:hover { background: #f8fafc; }
.timeline-table .highlight {
  color: var(--clr-accent); font-weight: 600;
}
.table-note {
  text-align: center; font-size: .78rem; color: var(--clr-text-light);
  max-width: 600px; margin: 0 auto;
}

/* === Cost Section === */
.cost-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: 40px;
}
.cost-card {
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow-sm);
}
.cost-card h3 { font-size: 1.05rem; margin-bottom: 16px; text-align: center; }
.cost-compare { display: flex; flex-direction: column; gap: 12px; }
.cost-item {
  padding: 12px 16px; border-radius: 6px;
  display: flex; flex-direction: column;
}
.cost-high { background: #fef2f2; }
.cost-low { background: var(--clr-accent-light); }
.cost-label { font-size: .78rem; color: var(--clr-text-light); margin-bottom: 2px; }
.cost-value { font-size: 1.1rem; font-weight: 700; }
.cost-low .cost-value { color: var(--clr-accent); }
.cost-high .cost-value { color: #dc2626; }
.cost-equiv { font-size: .8rem; color: var(--clr-text-light); margin-top: 2px; }

.currency-box {
  background: var(--clr-highlight); border: 1px solid #fed7aa;
  border-radius: var(--radius); padding: 28px 32px; text-align: center;
}
.currency-box h3 { margin-bottom: 8px; }
.currency-rates {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 20px;
  margin: 16px 0;
}
.currency-rates span { font-size: .95rem; }
.currency-note { font-size: .78rem; color: var(--clr-text-light); }

/* === FAQ === */
.faq-list { max-width: 740px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--clr-border); border-radius: var(--radius);
  margin-bottom: 12px; background: var(--clr-bg); overflow: hidden;
}
.faq-item summary {
  padding: 18px 24px; font-weight: 600; font-size: .95rem;
  cursor: pointer; list-style: none; display: flex;
  justify-content: space-between; align-items: center;
  transition: background .2s;
}
.faq-item summary:hover { background: #f8fafc; }
.faq-item summary::after {
  content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--clr-text-light);
  transition: transform .2s;
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  padding: 0 24px 18px; color: var(--clr-text-light);
  font-size: .92rem; line-height: 1.7;
}

/* === CTA === */
.cta {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  color: #fff; text-align: center;
}
.cta h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 16px; }
.cta p { color: #94a3b8; max-width: 560px; margin: 0 auto 28px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta .btn-primary { background: var(--clr-accent); border-color: var(--clr-accent); }
.cta .btn-primary:hover { background: #008f5a; border-color: #008f5a; }
.cta .btn-outline { color: #fff; border-color: rgba(255,255,255,.3); }
.cta .btn-outline:hover { background: rgba(255,255,255,.1); color: #fff; }
.cta-note { font-size: .82rem; color: #64748b; margin-top: 20px; }

/* === Footer === */
.footer {
  background: var(--clr-bg-dark); color: #94a3b8; padding: 60px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { margin-top: 12px; font-size: .9rem; max-width: 320px; }
.footer-links h4 { color: #fff; font-size: .9rem; margin-bottom: 16px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #94a3b8; font-size: .88rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #1e293b; padding-top: 24px;
  text-align: center; font-size: .82rem;
}
.footer-disclaimer {
  margin-top: 8px; font-size: .75rem; color: #64748b; max-width: 640px;
  margin-left: auto; margin-right: auto;
}

/* === Responsive === */
@media (max-width: 900px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .cost-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-items { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 16px 24px;
    border-bottom: 1px solid var(--clr-border); gap: 12px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .hero { padding: 110px 0 60px; }
  .hero h1 { font-size: 1.75rem; }

  .benefits-grid { grid-template-columns: 1fr; }
  .cost-grid { grid-template-columns: 1fr; }
  .trust-items { grid-template-columns: 1fr 1fr; gap: 16px; }

  .section { padding: 56px 0; }

  .step { gap: 16px; }
  .step-number { width: 40px; height: 40px; font-size: .95rem; }
  .step:not(:last-child)::after { left: 19px; top: 44px; }

  .currency-rates { flex-direction: column; gap: 8px; }
}