/* Modern, progressive UI – light/dark, fluid type, accessible contrast */
:root {
  --bg: #0b0b0c;
  --fg: #e8e8ea;
  --muted: #a3a3ad;
  --brand: #2563eb; /* blue */
  --accent: #ef4444; /* red */
  --brand-ink: #ffffff;
  --card: #121214;
  --elev: 0 10px 30px rgba(0,0,0,.35);
  --ring: 0 0 0 3px color-mix(in hsl, var(--brand) 35%, transparent);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --fg: #0b0b0c;
    --muted: #4b5563;
    --card: #f8fafc;
    --elev: 0 10px 30px rgba(2,6,23,.1);
  }
}

html { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 80% -10%, rgba(37,99,235,.25) 0%, transparent 60%), var(--bg);
  color: var(--fg);
  line-height: 1.6;
  /* space for fixed header (set precisely via JS) */
  padding-top: var(--header-h, 64px);
}

.container { width: min(1100px, 92vw); margin: 0 auto; }
.muted { color: var(--muted); }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 10%, transparent);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; }
.brand { display: inline-flex; gap: .6rem; align-items: center; color: var(--fg); text-decoration: none; font-weight: 700; letter-spacing: .2px; }
.nav { display: none; gap: 1rem; }
.nav a { color: var(--muted); text-decoration: none; padding: .25rem .5rem; border-radius: 6px; }
.nav a:hover { color: var(--fg); background: color-mix(in srgb, var(--fg) 8%, transparent); }
.actions { display: flex; align-items: center; gap: .6rem; }
.actions .lang { background: transparent; border: 1px solid color-mix(in srgb, var(--fg) 12%, transparent); color: var(--fg); padding: .35rem .55rem; border-radius: 8px; cursor: pointer; }
.actions .lang[aria-pressed="true"] { border-color: var(--brand); color: var(--brand); }
.actions .cta { color: var(--brand-ink); background: var(--brand); padding: .5rem .9rem; border-radius: 10px; text-decoration: none; font-weight: 700; }
.actions .cta:hover { filter: brightness(1.05); }

@media (min-width: 880px) { .nav { display: flex; } }

.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; padding: 5rem 0 3rem; }
.hero h1 { font-size: clamp(2rem, 2.4rem + 1.2vw, 3.4rem); line-height: 1.15; margin: 0 0 .6rem; }
.lead { font-size: clamp(1rem, .98rem + .4vw, 1.25rem); margin: 0 0 1rem; color: var(--muted); }
.buttons { display: flex; gap: .8rem; margin: 1rem 0 1.2rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border-radius: 10px; padding: .7rem 1rem; text-decoration: none; font-weight: 600; }
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid color-mix(in srgb, var(--fg) 14%, transparent); }
.btn:hover { transform: translateY(-1px); }

.trust { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .3rem; color: var(--muted); }

.hero-art { position: relative; min-height: 320px; }
.bolt {
  position: absolute; inset: 14% 10% 20% 10%;
  background: radial-gradient(closest-side, rgba(37,99,235,.9) 20%, transparent 60%),
    conic-gradient(from 200deg at 30% 40%, #2563eb, transparent 40%),
    conic-gradient(from -20deg at 60% 70%, #ef4444, transparent 60%);
  filter: blur(24px) saturate(1.2);
  border-radius: 40% 60% 55% 45% / 55% 45% 55% 45%;
  animation: float 8s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0)} 50% { transform: translateY(-10px)} }

.section { padding: 3.2rem 0; }
.section-header { margin-bottom: 1.2rem; }
.section h2 { font-size: clamp(1.6rem, 1.2rem + 1vw, 2.2rem); margin: 0 0 .4rem; }
.cards { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.grid { display: grid; }

.card {
  background: var(--card); border: 1px solid color-mix(in srgb, var(--fg) 8%, transparent);
  border-radius: 14px; padding: 1rem; box-shadow: var(--elev);
  transform: translateY(6px); opacity: .001; transition: .6s ease;
}
.card[data-show] { transform: none; opacity: 1; }

.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.4rem; align-items: start; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.fact { background: var(--card); border: 1px solid color-mix(in srgb, var(--fg) 8%, transparent); border-radius: 12px; padding: .9rem; text-align: center; }
.fact strong { font-size: 1.6rem; display: block; }

.carousel { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; overflow: hidden; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--fg) 10%, transparent); }
.slide { display: grid; grid-template-columns: 1fr .8fr; align-items: stretch; min-height: 260px; }
.slide-media { background: linear-gradient(135deg, #0b1226, #132f5b); overflow: hidden; min-height: 320px; }
.slide-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (min-width: 900px) { .slide-media { min-height: 420px; } }
.slide-caption { display: flex; align-items: center; padding: 1rem; background: var(--card); color: var(--muted); }

.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 1rem; }
.contact-card { background: var(--card); border: 1px solid color-mix(in srgb, var(--fg) 10%, transparent); border-radius: 14px; padding: 1rem; }
.contact-row { display: flex; align-items: center; gap: .6rem; padding: .35rem 0; }
.form .row { display: grid; gap: .35rem; margin-bottom: .8rem; }
input, textarea { background: transparent; border: 1px solid color-mix(in srgb, var(--fg) 12%, transparent); color: var(--fg); border-radius: 10px; padding: .7rem .8rem; font: inherit; }
input:focus, textarea:focus { outline: none; box-shadow: var(--ring); border-color: var(--brand); }
.form-status { min-height: 1.1rem; }

.site-footer { border-top: 1px solid color-mix(in srgb, var(--fg) 10%, transparent); margin-top: 3rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.subfoot { color: var(--muted); padding: .6rem 0 1.6rem; }

@media (max-width: 900px) {
  .hero, .two-col, .contact, .slide { grid-template-columns: 1fr; }
  .hero { padding-top: 3.5rem; }
}

/* small progressive enhancements */
[data-elevate] { will-change: backdrop-filter; }
[data-carousel] { scroll-snap-type: x mandatory; }
[data-carousel] .slide { scroll-snap-align: start; }