:root {
  --primary: #0a2540;
  --accent: #00a8e8;
  --light: #f4f6f8;
  --text: #222;
}

/* =========================
   RESET / BASE
========================= */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  font-size: 18px;
  background: #fff;
}

/* =========================
   LAYOUT SYSTEM
========================= */

.container {
  max-width: 1100px;
  margin: auto;
  padding: 24px;
}

.narrow {
  max-width: 720px;
}

.center {
  text-align: center;
}

/* =========================
   TOP BANNER
========================= */

.top-banner {
  background: #000;
  color: #fff;
  width: 100%;
  padding: 8px 20px;
  position: relative;
  z-index: 10020;
}

/* =========================
   HAMBURGER BUTTON
========================= */

.hamburger-btn {
  position: fixed;
  top: 38px;
  left: 12px;

  z-index: 10021;

  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 20px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;

  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* =========================
   HERO
========================= */

.hero {
  background: #fff;
  padding: 45px 20px 40px;
  text-align: center;
  border-bottom: 1px solid #e5e5e5;
}

.hero h1 {
  font-size: 38px;
  line-height: 1.1;
  margin-bottom: 12px;
}

/* =========================
   TYPOGRAPHY
========================= */

.lead {
  font-size: 20px;
  color: #444;
  margin-bottom: 25px;
}

.sub {
  font-size: 14px;
  color: #666;
}

/* =========================
   OFFER
========================= */

.offer {
  margin: 20px 0;
}

.price {
  font-size: 52px;
  font-weight: 700;
  display: block;
}

.label {
  font-size: 18px;
}

/* =========================
   CTA
========================= */

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 18px 26px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 18px;
  width: 100%;
  max-width: 320px;
}

.cta.large {
  font-size: 20px;
}

/* =========================
   TRUST
========================= */

.trust {
  margin-top: 18px;
  font-size: 14px;
  color: #555;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* =========================
   SECTIONS
========================= */

.section {
  padding: 70px 20px;
}

.section.alt {
  background: var(--light);
}

/* =========================
   GRID
========================= */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-top: 25px;
}

.card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

/* =========================
   LISTS
========================= */

.list {
  margin-top: 18px;
  padding-left: 18px;
}

.list li {
  margin-bottom: 10px;
}

/* =========================
   HIGHLIGHT
========================= */

.highlight {
  margin-top: 18px;
  font-weight: 600;
}

/* =========================
   CTA SECTION
========================= */

.cta-section {
  text-align: center;
  padding: 80px 20px;
}

/* =========================
   FOOTER
========================= */

footer {
  text-align: center;
  padding: 30px;
  font-size: 13px;
  color: #666;
  border-top: 1px solid #eee;
}

/* =========================
   MOBILE CTA BAR
========================= */

.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--accent);
  color: #fff;
  text-align: center;
  padding: 16px;
  font-weight: 700;
  text-decoration: none;
  display: none;
  z-index: 9999;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 600px) {

  .hero {
    padding: 35px 20px 30px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .price {
    font-size: 40px;
  }

  .cta {
    width: 100%;
  }

  .sticky-cta {
    display: block;
  }

  .hamburger-btn {
    top: 34px;
  }
}

/* =========================
   HAMBURGER MENU (POLISHED)
========================= */

/* Overlay */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.55s ease;
  z-index: 10000;
  backdrop-filter: blur(2px);
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Side menu */
.side-menu {
  position: fixed;
  top: 0;
  left: 0;

  width: 290px;
  height: 100%;

  background: #0f172a;
  color: #fff;

  padding: 90px 20px 20px;

  display: flex;
  flex-direction: column;
  gap: 10px;

  transform: translateX(-105%);
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);

  z-index: 10002;

  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.35);
}

.side-menu.active {
  transform: translateX(0);
}

/* Header */
.menu-header {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 10px;
}

/* Links */
.side-menu a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;

  padding: 12px 12px;
  border-radius: 10px;

  transition: all 0.2s ease;
}

/* Hover */
.side-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(5px);
  color: #fff;
}

/* Click feel */
.side-menu a:active {
  transform: translateX(2px);
}