/* ═══════════════════════════════════════════
   SSOMA SAFE — style.css
   Variables, base, componentes, utilidades
═══════════════════════════════════════════ */

:root {
  --brand-primary: #003F8C;
  --brand-light: #7FB4E5;
  --brand-dark: #1E293B;
  --brand-gray: #F5F7FA;
  --white: #FFFFFF;

  --font-sans: 'Inter', sans-serif;
  --font-display: 'Manrope', sans-serif;
  --font-heading: 'Poppins', sans-serif;

  --shadow-brand: 0 20px 60px -10px rgba(0, 63, 140, 0.35);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.06);
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img, video { display: block; max-width: 100%; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--brand-gray); }
::-webkit-scrollbar-thumb { background: var(--brand-primary); border-radius: 3px; }

/* ── Selection ── */
::selection { background: var(--brand-primary); color: white; }

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--brand-light);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
#navbar {
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.3s ease;
}

#navbar.scrolled {
  background: rgba(30, 41, 59, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05), var(--shadow-soft);
}

#navbar.scrolled nav {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-light);
  border-radius: 1px;
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ── Hamburger ── */
#menu-btn.open .ham-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
#menu-btn.open .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-btn.open .ham-line:nth-child(3) {
  width: 24px;
  transform: translateY(-8px) rotate(-45deg);
}

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
#hero {
  min-height: 100svh;
}

#hero-video {
  transition: transform 8s ease-out;
}

/* Partículas */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background: var(--brand-light);
  opacity: 0;
  animation: particleFloat var(--duration) ease-in-out infinite var(--delay);
}

@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(0) scale(0.5); }
  20%  { opacity: 0.3; }
  80%  { opacity: 0.1; }
  100% { opacity: 0; transform: translateY(-120px) scale(1); }
}

/* ═══════════════════════════════════════════
   SECCIONES GENERALES
═══════════════════════════════════════════ */
section {
  position: relative;
}

/* ── Cards de servicios ── */
.service-card {
  cursor: default;
}

.service-card:hover {
  transform: translateY(-4px);
}

/* ── Stat cards ── */
.stat-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.stat-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-brand);
}

/* ── Benefit items ── */
.benefit-item {
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.benefit-item:hover {
  transform: translateY(-4px);
}

/* ── Legal cards ── */
.legal-card {
  transition: transform 0.4s ease, background 0.4s ease, border-color 0.4s ease;
}

.legal-card:hover {
  transform: translateY(-4px);
}

/* ═══════════════════════════════════════════
   FORMULARIO
═══════════════════════════════════════════ */
#contact-form input:invalid:not(:placeholder-shown),
#contact-form select:invalid:not([value=""]),
#contact-form textarea:invalid:not(:placeholder-shown) {
  border-color: #fca5a5;
}

#contact-form input.error,
#contact-form select.error,
#contact-form textarea.error {
  border-color: #ef4444;
  background: #fff5f5;
}

.form-error {
  font-size: 0.75rem;
  color: #ef4444;
  margin-top: 0.25rem;
}

/* ── Loading state ── */
#contact-form button[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* ═══════════════════════════════════════════
   SCROLL INDICATOR
═══════════════════════════════════════════ */
.scroll-indicator {
  animation: fadeInUp 1s ease 2s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ═══════════════════════════════════════════
   GLASSMORPHISM UTILS
═══════════════════════════════════════════ */
.glass {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-headline { font-size: clamp(2rem, 6vw, 4rem); }
}

@media (max-width: 640px) {
  .hero-headline { font-size: clamp(1.75rem, 7vw, 2.5rem); }
  .hero-sub { font-size: 1rem; }
}

/* ── Skip to main ── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  background: var(--brand-primary);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 600;
  z-index: 9999;
}