/* Shared CSS Variables & Base Styles */
:root {
  --navy:    #0B2545;
  --blue:    #1D4ED8;
  --blue-lt: #3B82F6;
  --orange:  #F97316;
  --orange-lt: #FDBA74;
  --white:   #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100:#F1F5F9;
  --gray-200:#E2E8F0;
  --gray-300:#CBD5E1;
  --gray-500:#64748B;
  --gray-700:#334155;
  --gray-900:#0F172A;
  --green:   #10B981;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.08);
  --radius:  12px;
  --radius-lg: 20px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', 'Noto Sans SC', sans-serif; color: var(--gray-700); background: var(--white); line-height: 1.6; overflow-x: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 { color: var(--navy); font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
p  { font-size: 1.05rem; line-height: 1.75; }

.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 3rem; }
.section-header p { color: var(--gray-500); margin-top: 1rem; font-size: 1.05rem; }

.section-label { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); background: #FFF7ED; border: 1px solid #FED7AA; padding: .35rem 1rem; border-radius: 50px; margin-bottom: 1rem; }
.section-label.blue { color: var(--blue); background: #EFF6FF; border-color: #BFDBFE; }
.section-label.green { color: var(--green); background: #ECFDF5; border-color: #6EE7B7; }

.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .85rem 2rem; border-radius: var(--radius); font-weight: 700; font-size: 1rem; cursor: pointer; border: none; transition: var(--transition); font-family: inherit; white-space: nowrap; text-decoration: none; }
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: #EA580C; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,.4); }
.btn-secondary { background: var(--white); color: var(--navy); border: 2px solid var(--gray-200); }
.btn-secondary:hover { border-color: var(--navy); }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: #1E40AF; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(29,78,216,.35); }
.btn-whatsapp { background: #25D366; color: var(--white); }
.btn-whatsapp:hover { background: #128C7E; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,.35); }
.btn-lg { padding: 1.1rem 2.6rem; font-size: 1.1rem; }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(11,37,69,.97); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.nav-logo-icon { width: 38px; height: 38px; background: var(--orange); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.nav-logo-text { font-size: 1.2rem; font-weight: 800; color: var(--white); }
.nav-logo-text span { color: var(--orange); }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a { color: rgba(255,255,255,.75); font-size: .9rem; font-weight: 500; padding: .5rem .85rem; border-radius: 8px; transition: var(--transition); text-decoration: none; }
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.1); }
.nav-links a.active { color: var(--orange); }
.nav-cta { background: var(--orange) !important; color: var(--white) !important; font-weight: 700 !important; border-radius: 8px !important; padding: .55rem 1.3rem !important; }
.nav-cta:hover { background: #EA580C !important; transform: translateY(-1px); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: .5rem; }
.nav-hamburger span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; }
.nav-mobile { display: none; position: fixed; top: 68px; left: 0; right: 0; background: var(--navy); padding: 1rem 1.5rem 2rem; flex-direction: column; gap: .25rem; border-top: 1px solid rgba(255,255,255,.08); }
.nav-mobile.open { display: flex; }
.nav-mobile a { color: rgba(255,255,255,.8); padding: .75rem 1rem; border-radius: 8px; font-weight: 500; text-decoration: none; }
.nav-mobile a:hover { background: rgba(255,255,255,.1); color: var(--white); }

/* Footer */
.footer { background: var(--navy); padding: 4rem 1.5rem 2rem; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand p { color: rgba(255,255,255,.5); font-size: .88rem; margin-top: 1rem; line-height: 1.7; max-width: 300px; }
.footer h4 { color: var(--white); font-size: .9rem; font-weight: 700; margin-bottom: 1.2rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-links { display: flex; flex-direction: column; gap: .6rem; }
.footer-links a { color: rgba(255,255,255,.55); font-size: .88rem; text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: var(--orange); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; color: rgba(255,255,255,.35); font-size: .8rem; }

/* Page Hero */
.page-hero { padding: 10rem 1.5rem 5rem; background: var(--navy); text-align: center; }
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero p { color: rgba(255,255,255,.7); font-size: 1.1rem; max-width: 640px; margin: 0 auto; }

/* CTA Banner */
.cta-section { padding: 5rem 1.5rem; background: linear-gradient(135deg, var(--blue) 0%, #1E3A8A 100%); text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='20' cy='20' r='15'/%3E%3C/g%3E%3C/svg%3E"); }
.cta-section h2 { color: var(--white); margin-bottom: 1rem; position: relative; z-index: 1; }
.cta-section p { color: rgba(255,255,255,.75); font-size: 1.1rem; margin-bottom: 2.5rem; position: relative; z-index: 1; }
.cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; gap: .5rem; text-align: center; }
  .cta-btns { flex-direction: column; align-items: center; }
}