/* ═══════════════════════════════════════════════════════════════
   LockGo — Shared Styles for Marketing Site
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --brand-50:  #FFF5F5;
  --brand-100: #FFE8E8;
  --brand-200: #FFD0D1;
  --brand-300: #FFA8AA;
  --brand-400: #FF7E81;
  --brand-500: #FF5A5F;
  --brand-600: #E04850;
  --brand-700: #C23540;
  --brand-800: #A12530;
  --brand-900: #7D1A24;
  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --green-500: #22C55E;
  --green-600: #16A34A;
  --blue-50: #EFF6FF;
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --amber-50: #FFFBEB;
  --amber-500: #F59E0B;
  --amber-600: #D97706;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }

/* ── NAV ───────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
nav .inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.4rem; color: var(--brand-500);
  text-decoration: none;
}
.logo svg { width: 36px; height: 36px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: var(--gray-600); text-decoration: none; font-size: 0.93rem;
  font-weight: 500; transition: color 0.15s;
}
.nav-links a:hover { color: var(--gray-900); }
.nav-links a.active { color: var(--brand-500); font-weight: 600; }

/* Mobile hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle svg { width: 28px; height: 28px; color: var(--gray-700); }

/* ── BUTTONS ───────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 12px; font-weight: 600;
  font-size: 1rem; text-decoration: none; transition: all 0.2s;
  border: none; cursor: pointer; line-height: 1.2;
}
.btn-primary {
  background: var(--brand-500); color: #fff;
  box-shadow: 0 4px 14px rgba(255,90,95,0.35);
}
.btn-primary:hover {
  background: var(--brand-600);
  box-shadow: 0 6px 20px rgba(255,90,95,0.45);
  transform: translateY(-1px);
}
.btn-secondary {
  background: #fff; color: var(--gray-700);
  border: 2px solid var(--gray-200);
}
.btn-secondary:hover {
  border-color: var(--brand-300); color: var(--brand-600);
  transform: translateY(-1px);
}
.btn-nav {
  padding: 10px 24px; border-radius: 10px; font-size: 0.9rem;
  background: var(--brand-500); color: #fff; text-decoration: none;
}
.btn-nav:hover { background: var(--brand-600); }
.btn-outline-white {
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

/* ── SECTION HEADINGS ─────────────────────────────── */
section { padding: 100px 0; }
.section-label {
  display: inline-block; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--brand-500); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800; color: var(--gray-900);
  line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.1rem; color: var(--gray-500);
  max-width: 560px; line-height: 1.65;
}
.section-sub.centered { margin: 0 auto; }

/* ── PAGE HERO (inner pages) ──────────────────────── */
.page-hero {
  padding: 140px 0 60px;
  background: linear-gradient(180deg, var(--brand-50) 0%, #fff 100%);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 900; color: var(--gray-900);
  line-height: 1.12; letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.page-hero h1 span { color: var(--brand-500); }
.page-hero .subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--gray-500); max-width: 600px; margin: 0 auto;
  line-height: 1.65;
}

/* ── FOOTER ────────────────────────────────────────── */
footer {
  padding: 48px 0; border-top: 1px solid var(--gray-200);
  color: var(--gray-500); font-size: 0.9rem;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--gray-500); text-decoration: none; }
.footer-links a:hover { color: var(--brand-500); }

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links a:not(.btn-nav) { display: none; }
  .nav-toggle { display: block; }
  section { padding: 72px 0; }
  .page-hero { padding: 120px 0 48px; }
}