@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

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

:root {
  --charcoal: #1E2A38;
  --charcoal-light: #2C3E52;
  --charcoal-dark: #131C26;
  --teal: #00B4A6;
  --teal-light: #00D4C4;
  --teal-dark: #008C81;
  --teal-faint: rgba(0,180,166,0.08);
  --off-white: #F5F5F5;
  --white: #FFFFFF;
  --gray-100: #F0F2F4;
  --gray-200: #E2E6EA;
  --gray-400: #9AA5B4;
  --gray-600: #627181;
  --text-primary: #1E2A38;
  --text-secondary: #627181;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --nav-h: 72px;
  --max-w: 1120px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(30,42,56,0.08);
  --shadow-md: 0 8px 32px rgba(30,42,56,0.12);
  --shadow-lg: 0 24px 64px rgba(30,42,56,0.16);
  --transition: 0.28s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(30,42,56,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center;
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 32px;
  width: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head); font-size: 22px; font-weight: 800;
  color: var(--white); text-decoration: none; letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 10px;
}
.nav-logo span { color: var(--teal); }
.nav-logo-mark {
  width: 34px; height: 34px; background: var(--teal);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; color: var(--charcoal-dark);
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.72); text-decoration: none;
  padding: 8px 14px; border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--teal); }
.nav-cta {
  background: var(--teal); color: var(--charcoal-dark) !important;
  font-weight: 600 !important; padding: 9px 20px !important;
  border-radius: 8px !important; transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--teal-light) !important; color: var(--charcoal-dark) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  padding: 14px 28px; border-radius: var(--radius);
  text-decoration: none; cursor: pointer; border: none;
  transition: all var(--transition);
}
.btn-primary { background: var(--teal); color: var(--charcoal-dark); }
.btn-primary:hover { background: var(--teal-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,180,166,0.35); }
.btn-outline { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,0.35); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--charcoal); border: 1.5px solid var(--gray-200); }
.btn-outline-dark:hover { border-color: var(--charcoal); background: var(--gray-100); }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ── SECTION COMMONS ── */
.section { padding: 96px 32px; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal);
  margin-bottom: 16px;
}
.section-label::before { content: ''; display: block; width: 20px; height: 2px; background: var(--teal); border-radius: 1px; }
.section-title {
  font-family: var(--font-head); font-size: clamp(32px,4vw,48px);
  font-weight: 800; line-height: 1.1; letter-spacing: -1px;
  color: var(--charcoal); margin-bottom: 20px;
}
.section-title span { color: var(--teal); }
.section-subtitle { font-size: 17px; color: var(--text-secondary); max-width: 560px; line-height: 1.7; }

/* ── FOOTER ── */
footer {
  background: var(--charcoal-dark); color: rgba(255,255,255,0.6);
  padding: 64px 32px 32px;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 280px; }
.footer-col h4 { font-family: var(--font-head); font-size: 13px; font-weight: 700; color: var(--white); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.55); text-decoration: none; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 15px; transition: all var(--transition);
}
.footer-socials a:hover { background: var(--teal); color: var(--charcoal-dark); }

/* ── FADE-IN ANIMATION ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--charcoal-dark); padding: 20px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 20px; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}