/* ─── RESET & VARIABLES ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue-950: #0a1628;
  --blue-900: #1e3a8a;
  --blue-800: #1e40af;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-300: #93bbfd;
  --blue-200: #bfdbfe;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --white: #ffffff;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-900);
  background: var(--white);
  overflow-x: hidden;
}

/* ─── NAVBAR ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 72px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30,64,175,0.08);
  box-shadow: 0 2px 24px rgba(30,64,175,.12);
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { height: 40px; width: auto; object-fit: contain; }
.nav-links {
  display: flex; align-items: center; gap: 32px; list-style: none;
}
.nav-links a {
  text-decoration: none; font-size: .92rem; font-weight: 500;
  color: var(--gray-700); transition: color .2s;
}
.nav-links a:hover { color: var(--blue-600); }
.nav-links a.active { color: var(--blue-600); }
.nav-mobile-toggle {
  display: none; cursor: pointer; background: none; border: none; padding: 8px;
}
.nav-mobile-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--gray-700); margin: 5px 0; transition: .3s;
}
.nav-mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0;
  background: white; flex-direction: column; z-index: 99;
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  padding: 16px 5%; text-decoration: none; color: var(--gray-700);
  font-weight: 500; border-bottom: 1px solid var(--gray-100);
  font-size: .95rem;
}
.nav-mobile-menu a:hover { color: var(--blue-600); }

/* ─── PAGE HERO (interior pages) ─── */
.page-hero {
  position: relative;
  padding: 150px 5% 110px;
  background: radial-gradient(circle at 20% 30%, #1e40af 0%, transparent 55%),
              radial-gradient(circle at 85% 70%, #1d4ed8 0%, transparent 50%),
              linear-gradient(135deg, var(--blue-950) 0%, var(--blue-900) 100%);
  text-align: center;
  color: white;
  overflow: hidden;
}
.page-hero::before, .page-hero::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: .35; pointer-events: none;
}
.page-hero::before { width: 380px; height: 380px; background: #3b82f6; top: -120px; left: -80px; }
.page-hero::after  { width: 320px; height: 320px; background: #60a5fa; bottom: -100px; right: -60px; opacity: .25; }
.page-hero-deco {
  position: absolute; top: 50%; right: 7%; transform: translateY(-50%);
  width: 110px; height: 110px; opacity: .08; pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.page-hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: 3rem; font-weight: 800;
  letter-spacing: -.02em; line-height: 1.1;
  margin-bottom: 18px;
}
.page-hero p {
  font-size: 1.1rem; color: rgba(255,255,255,.78);
  max-width: 600px; margin: 0 auto; line-height: 1.7;
}
.page-hero-wave {
  position: absolute; bottom: -1px; left: 0; right: 0;
  width: 100%; height: 60px; display: block; pointer-events: none;
}
.page-hero .tag {
  display: inline-block;
  background: rgba(96,165,250,.15); border: 1px solid rgba(96,165,250,.3);
  color: var(--blue-200);
  padding: 6px 16px; border-radius: 50px;
  font-size: .8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .5px;
  margin-bottom: 20px;
}

/* ─── WHATSAPP FLOAT ─── */
.wa-float {
  position: fixed; bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform .2s;
  z-index: 50;
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 8px 32px rgba(37,211,102,.6); }
.wa-float svg { width: 28px; height: 28px; fill: white; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
}
@media (max-width: 768px) {
  .page-hero { padding: 130px 5% 80px; }
  .page-hero h1 { font-size: 2.1rem; }
  .page-hero p { font-size: .98rem; }
  .page-hero-deco { display: none; }
}