/*
  Trinetra Enterprises - Styles
  Lightweight, responsive, modern UI with focus on performance and clarity
*/

:root {
  --bg: #050b1a;
  --card: #0b1b3b;
  --muted: #93a4c8;
  --text: #eaf0ff;
  --accent: #4cc9f0;
  --accent-2: #a3e635;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.5);
  --radius: 16px;
  --radius-sm: 12px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1000px 600px at 80% -10%, #0a1a3a 0%, transparent 60%),
              radial-gradient(800px 500px at -10% 10%, #0a223f 0%, transparent 60%),
              var(--bg);
  line-height: 1.6;
}

img, video { max-width: 100%; display: block; }

.container {
  width: min(100% - 32px, var(--maxw));
  margin-inline: auto;
}

.section { padding: 80px 0; }
.section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)); }
.section-title { font-size: 2rem; margin: 0 0 10px; letter-spacing: 0.2px; }
.section-subtitle { color: var(--muted); margin: 0 0 32px; }
.section-note { color: var(--muted); font-size: 0.95rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 11, 26, 0.6);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; }
.brand-text { letter-spacing: 0.3px; }
.nav-links { display: flex; gap: 18px; }
.nav-links a { color: var(--text); text-decoration: none; opacity: 0.9; }
.nav-links a:hover { color: var(--accent); }
.nav-toggle { display: none; background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,0.15); border-radius: 8px; padding: 6px 10px; }

/* Hero */
.hero { position: relative; overflow: clip; padding: 72px 0; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: center; }
.hero-text h1 { font-size: clamp(1.9rem, 2.5vw + 1rem, 3.2rem); line-height: 1.15; margin-bottom: 10px; }
.hero-text p { color: var(--muted); margin-bottom: 22px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.trust-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.trust-badges span { font-size: 0.9rem; color: var(--muted); border: 1px dashed rgba(255,255,255,0.2); padding: 6px 10px; border-radius: 999px; }
.hero-media { position: relative; display: grid; grid-template-columns: 1fr 0.7fr; gap: 14px; }
.glass-card { border-radius: var(--radius); overflow: hidden; background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.15); box-shadow: var(--shadow); }
.glass-card.small { transform: translateY(20px); opacity: 0.95; }
.glass-card img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.hero-bg { position: absolute; inset: -10% -20% auto -20%; height: 320px; background: radial-gradient(800px 300px at 70% 10%, rgba(76, 201, 240, 0.18), transparent 60%), radial-gradient(800px 300px at 10% 20%, rgba(163,230,53,0.16), transparent 60%); pointer-events: none; filter: blur(20px); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: #06152f; font-weight: 700; background: #fff; border-radius: 999px; padding: 10px 16px; border: 1px solid rgba(255,255,255,0.2); box-shadow: 0 6px 18px rgba(0,0,0,0.2); }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(180deg, var(--accent), #2aaed2); color: #051023; }
.btn-secondary { background: linear-gradient(180deg, #e2e8f0, #cbd5e1); color: #0b1b3b; }
.btn.large { padding: 14px 22px; font-size: 1.05rem; }

/* Cards */
.grid { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(4, 1fr); }
.card { background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-sm); padding: 18px; box-shadow: var(--shadow); transition: transform 0.2s ease; }
.card:hover { transform: translateY(-4px); }
.card .icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 10px; background: linear-gradient(180deg, rgba(76,201,240,0.2), rgba(76,201,240,0.06)); color: var(--accent); margin-bottom: 10px; }
.card h3 { margin: 6px 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }

/* Features */
.features { grid-template-columns: repeat(4, 1fr); }
.feature { background: transparent; border: 1px dashed rgba(255,255,255,0.15); border-radius: var(--radius-sm); padding: 16px; }
.feature h3 { margin: 4px 0 6px; }
.feature p { color: var(--muted); margin: 0; }

/* Testimonials - removed section styles retained intentionally in case re-added */
/* .testimonials { grid-template-columns: repeat(3, 1fr); }
.testimonial { margin: 0; background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-sm); padding: 16px; box-shadow: var(--shadow); color: #e8eeff; }
.testimonial p { margin-top: 0; }
.testimonial cite { color: var(--muted); font-style: normal; } */

/* Contact */
.contact { padding: 70px 0; }
.contact-inner { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; background: linear-gradient(180deg, rgba(76,201,240,0.12), rgba(163,230,53,0.10)); border: 1px solid rgba(255,255,255,0.16); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.contact-text h2 { margin: 0 0 6px; }
.contact-text p { margin: 0; color: var(--muted); }
.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,0.1); background: rgba(5, 11, 26, 0.7); backdrop-filter: blur(8px); padding: 18px 0; }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; }
.footer-brand { display: inline-flex; gap: 8px; align-items: center; opacity: 0.9; }
.footer-contact a { color: var(--text); text-decoration: none; }
.footer-note { color: var(--muted); font-size: 0.95rem; }

/* Gallery */
.gallery { grid-template-columns: repeat(4, 1fr); }
.gallery-item { position: relative; overflow: hidden; border-radius: 12px; border: 1px solid rgba(255,255,255,0.16); background: rgba(255,255,255,0.04); box-shadow: var(--shadow); }
.gallery-item img, .gallery-item video { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.gallery-item .caption { position: absolute; inset: auto 0 0 0; padding: 8px 10px; background: linear-gradient(180deg, transparent, rgba(0,0,0,0.5)); color: #f0f6ff; font-size: 0.92rem; }
.gallery-item:hover { transform: translateY(-2px); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; display: none; place-items: center; padding: 24px; }
.lightbox.open { display: grid; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(6px); }
.lightbox-content { position: relative; z-index: 2; width: min(100% - 40px, 960px); max-height: 86vh; background: rgba(11,27,59,0.8); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.lightbox-content img, .lightbox-content video { width: 100%; height: 100%; object-fit: contain; background: #0b1b3b; }
.lightbox .caption { padding: 10px 12px; color: var(--muted); background: rgba(0,0,0,0.3); }
.lightbox-close { position: absolute; top: 10px; right: 10px; z-index: 3; border: 0; border-radius: 999px; width: 36px; height: 36px; font-size: 22px; background: rgba(255,255,255,0.85); color: #06152f; cursor: pointer; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .nav-links { display: none; position: absolute; right: 16px; top: 54px; flex-direction: column; background: rgba(5, 11, 26, 0.95); border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; padding: 8px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}