:root {
  --brand-teal-dark: rgb(20, 82, 75);
  --brand-teal-light: rgb(30, 159, 143);
  --brand-gradient: linear-gradient(135deg, var(--brand-teal-dark), var(--brand-teal-light));
  --ink: #0f172a;
  --ink-soft: #475569;
  --bg: #ffffff;
  --bg-alt: #f6f9f9;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,.08);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.container-wide { max-width: 1680px; margin: 0 auto; padding: 0 48px; }
.full-bleed { width: 100%; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 1em; color: var(--ink-soft); }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--brand-gradient);
  color: #fff; font-weight: 600; font-size: 14.5px;
  padding: 10px 20px; border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1.5px solid var(--border); color: var(--ink);
  font-weight: 600; font-size: 14.5px; padding: 10px 20px; border-radius: 999px;
}

/* ===== Header / Mega menu ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo img { height: 34px; }

.mega-nav-list { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.mega-nav-item { position: relative; }
.mega-nav-item > a {
  display: block; padding: 10px 14px; font-weight: 600; font-size: 14.5px; border-radius: 8px;
}
.mega-nav-item > a:hover { background: var(--bg-alt); color: var(--brand-teal-dark); }

.mega-panel {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-md); min-width: 620px; padding: 24px;
  opacity: 0; visibility: hidden; transition: opacity .15s ease, transform .15s ease;
}
.mega-nav-item.has-mega:hover .mega-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega-panel-inner { display: flex; gap: 32px; }
.mega-col { flex: 1; min-width: 160px; }
.mega-col-heading { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 10px; }
.mega-col ul { list-style: none; margin: 0; padding: 0; }
.mega-col li a { display: block; padding: 6px 0; font-size: 14.5px; color: var(--ink); }
.mega-col li a:hover { color: var(--brand-teal-dark); }
.mega-promo { flex: 1; min-width: 200px; background: var(--bg-alt); border-radius: 10px; padding: 16px; }
.mega-promo-eyebrow { font-size: 12px; font-weight: 700; color: var(--brand-teal-dark); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.mega-promo p { font-size: 13.5px; margin-bottom: 10px; }
.mega-promo-cta { font-weight: 700; font-size: 13.5px; color: var(--brand-teal-dark); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.whatsapp-btn { display: flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13.5px; color: #128C7E; padding: 8px 12px; border-radius: 999px; background: #e9f8f6; }
.mobile-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; }

/* ===== Hero ===== */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--bg-alt), #fff); }
.hero .eyebrow { display: inline-block; font-size: 13px; font-weight: 700; color: var(--brand-teal-dark); background: #e6f4f2; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.hero h1 { font-size: clamp(32px, 5vw, 52px); max-width: 780px; }
.hero p.lead { font-size: 18px; max-width: 640px; }
.hero-ctas { display: flex; gap: 12px; margin: 24px 0; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.hero-stats .stat-num { font-size: 30px; font-weight: 800; color: var(--brand-teal-dark); }
.hero-stats .stat-label { font-size: 13.5px; color: var(--ink-soft); }
.hero-flex { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.hero-copy { flex: 1; min-width: 320px; }
.hero-visual { flex-shrink: 0; }
.rate-ticker { overflow: hidden; border-top: 1px solid var(--border); margin-top: 48px; padding: 16px 0; background: #fff; }
.rate-ticker-track { display: flex; gap: 40px; white-space: nowrap; animation: ticker 28s linear infinite; width: max-content; }
.rate-ticker-track span { font-size: 14px; font-weight: 600; color: var(--ink-soft); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== Sections ===== */
section { padding: 64px 0; }
.section-eyebrow { font-size: 13px; font-weight: 700; color: var(--brand-teal-dark); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.section-head { max-width: 640px; margin-bottom: 40px; }

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

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.card .icon { font-size: 26px; margin-bottom: 12px; }
.card h3 { font-size: 18px; }

.rate-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.rate-table th, .rate-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.rate-table th { background: var(--bg-alt); font-weight: 700; font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }
.rate-table tr:last-child td { border-bottom: none; }
.rate-search { margin-bottom: 20px; max-width: 360px; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 999px; width: 100%; font-size: 14.5px; }

/* ===== Blog ===== */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); transition: transform .15s ease; }
.blog-card:hover { transform: translateY(-3px); }
.blog-card img { height: 180px; width: 100%; object-fit: cover; }
.blog-card-body { padding: 18px; }
.blog-card .cat { font-size: 12px; font-weight: 700; color: var(--brand-teal-dark); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.blog-card h3 { font-size: 17px; margin-bottom: 8px; }
.blog-card .meta { font-size: 12.5px; color: var(--ink-soft); }

.blog-post-header { padding: 56px 0 32px; text-align: center; background: var(--bg-alt); }
.blog-post-header h1 { max-width: 760px; margin: 0 auto 12px; }
.blog-post-cover { max-width: 900px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); margin-top: 24px; }
.blog-post-body { max-width: 740px; margin: 40px auto; font-size: 17px; line-height: 1.75; }
.blog-post-body h2 { margin-top: 1.6em; font-size: 26px; }
.blog-post-body h3 { margin-top: 1.3em; font-size: 20px; }
.blog-post-body img { border-radius: 12px; margin: 24px 0; }

/* ===== Footer ===== */
.site-footer { background: #0b1220; color: #cbd5e1; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 32px; }
.footer-brand img { height: 30px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p { color: #94a3b8; font-size: 13.5px; }
.footer-col h4 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #94a3b8; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: #64748b; }
.footer-bottom a { color: #94a3b8; }

@media (max-width: 1100px) {
  /* Tablet */
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .mega-panel { min-width: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  /* Tablet / small tablet: switch to mobile nav */
  .mega-nav { display: none; }
  .header-actions .btn-primary { display: none; }
  .mobile-toggle { display: block; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  /* Mobile */
  .container, .container-wide { padding: 0 16px; }
  .header-inner { height: 60px; }
  .logo img { height: 26px; }
  .whatsapp-btn span { display: none; }
  .hero { padding: 40px 0 32px; }
  .hero h1 { font-size: 28px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-primary, .hero-ctas .btn-outline { width: 100%; text-align: center; justify-content: center; }
  .hero-stats { gap: 20px; }
  section { padding: 40px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .blog-grid { grid-template-columns: 1fr; }
  .rate-table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ===== Mobile nav drawer ===== */
.mobile-nav {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: #fff;
  padding: 20px 24px;
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.mobile-nav-close { background: none; border: none; font-size: 26px; cursor: pointer; }
.mobile-nav-list { list-style: none; margin: 0; padding: 0; }
.mobile-nav-list > li { border-bottom: 1px solid var(--border); }
.mobile-nav-list > li > a, .mobile-nav-group-toggle {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0; font-weight: 700; font-size: 16px; width: 100%;
  background: none; border: none; text-align: left; cursor: pointer; color: var(--ink);
}
.mobile-nav-sub { display: none; padding: 0 0 12px 12px; }
.mobile-nav-sub.open { display: block; }
.mobile-nav-sub-heading { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--ink-soft); margin: 10px 0 6px; }
.mobile-nav-sub a { display: block; padding: 8px 0; font-size: 14.5px; color: var(--ink-soft); }
.mobile-nav-actions { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }