/* ============================================================
   SkyMetric — style.css
   Theming via CSS custom properties (colors + fonts).
   ============================================================ */

:root {
  /* Palette */
  --bg: #0a0e1a;            /* deep navy */
  --surface: #111827;       /* card / nav surface */
  --surface-2: #1a2336;
  --accent: #f59e0b;        /* amber */
  --accent-strong: #fbbf24;
  --accent-soft: rgba(245, 158, 11, 0.14);
  --text: #f9fafb;
  --text-2: #94a3b8;
  --border: rgba(148, 163, 184, 0.16);

  /* Fonts */
  --font-head: "Exo 2", "Inter", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  /* Misc */
  --radius: 14px;
  --nav-h: 72px;
  --shadow-glow: 0 10px 40px rgba(245, 158, 11, 0.18);
  --transition: 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  font-size-adjust: from-font;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
              background var(--transition), color var(--transition),
              border-color var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: #0a0e1a;
}
.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.btn-ghost {
  border-color: rgba(249, 250, 251, 0.5);
  color: var(--text);
  background: rgba(10, 14, 26, 0.25);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* ============ Navbar ============ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition),
              backdrop-filter var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
}
.logo-icon { width: 30px; height: 30px; color: var(--accent); flex: none; }
.logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}
.logo-text em { font-style: normal; color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}
.nav-links > a:not(.btn) {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-2);
  position: relative;
  transition: color var(--transition);
}
.nav-links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links > a:not(.btn):hover { color: var(--text); }
.nav-links > a:not(.btn):hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-2);
  transition: border-color var(--transition);
}
.lang-toggle:hover { border-color: var(--accent); }
.lang-opt { transition: color var(--transition); }
.lang-opt.active { color: var(--accent); }
.lang-divider { opacity: 0.4; }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(10, 14, 26, 0.55) 0%,
    rgba(10, 14, 26, 0.45) 50%,
    rgba(10, 14, 26, 0.92) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
  max-width: 820px;
}
.hero-kicker {
  font-family: var(--font-head);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}
.hero-title {
  font-size: clamp(3.2rem, 9vw, 6.2rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.hero-title em { font-style: normal; color: var(--accent); }
.hero-tagline {
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 3vw, 1.9rem);
  font-weight: 500;
  color: var(--text);
  margin-top: 0.4rem;
}
.hero-sub {
  color: var(--text-2);
  max-width: 560px;
  margin-top: 1.1rem;
  font-size: 1.05rem;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 0.75;
}
.mouse {
  display: block;
  width: 26px; height: 42px;
  border: 2px solid var(--text-2);
  border-radius: 14px;
  position: relative;
}
.wheel {
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--accent);
  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============ Sections (shared) ============ */
.section { padding: 6.5rem 0; }
.section-head { max-width: 640px; margin-bottom: 3.2rem; }
.section-kicker {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
}
.section-sub { color: var(--text-2); margin-top: 0.8rem; }

/* ============ About ============ */
.about { background: linear-gradient(180deg, var(--bg) 0%, #0d1322 100%); }
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.stats-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}
.stat {
  background: var(--surface);
  padding: 1.5rem 1.4rem;
}
.stat-num, .stat-plus {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  display: block;
  margin-top: 0.45rem;
  color: var(--text-2);
  font-size: 0.88rem;
}
.about-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.about-img:hover img { transform: scale(1.04); }
.about-right p { color: var(--text-2); margin-bottom: 1.2rem; }
.about-right p:first-child { color: var(--text); font-size: 1.08rem; }

/* ============ Services ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform var(--transition), border-color var(--transition),
              box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 158, 11, 0.55);
  box-shadow: var(--shadow-glow);
}
.service-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}
.service-card p { color: var(--text-2); font-size: 0.94rem; }

/* ============ Gallery ============ */
.gallery { background: linear-gradient(180deg, #0d1322 0%, var(--bg) 100%); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  grid-auto-flow: dense;
  gap: 1rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--border);
}
.gallery-item.tall { grid-row: span 2; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.6rem 1rem 0.8rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  background: linear-gradient(180deg, transparent, rgba(10, 14, 26, 0.88));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}
.gallery-item:hover figcaption { opacity: 1; transform: translateY(0); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 9, 18, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}
.lightbox[hidden] { display: none; }
.lightbox-img {
  max-width: min(1100px, 88vw);
  max-height: 82vh;
  border-radius: 10px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
}
.lightbox-close,
.lightbox-nav {
  position: absolute;
  background: rgba(17, 24, 39, 0.8);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 48px; height: 48px;
  font-size: 1.3rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color var(--transition), color var(--transition);
}
.lightbox-close:hover,
.lightbox-nav:hover { border-color: var(--accent); color: var(--accent); }
.lightbox-close { top: 22px; right: 22px; font-size: 1.7rem; }
.lightbox-nav.prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox-nav.next { right: 22px; top: 50%; transform: translateY(-50%); }
.lightbox-caption {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ============ Contact ============ */
.contact { position: relative; overflow: hidden; }
.contact-bg {
  position: absolute;
  inset: 0;
  /* Low-opacity aerial backdrop — replace with client asset if preferred */
  background:
    linear-gradient(180deg, rgba(10, 14, 26, 0.96), rgba(10, 14, 26, 0.88)),
    url("https://images.unsplash.com/photo-1473968512647-3e447244af8f?auto=format&fit=crop&w=1600&q=50") center/cover no-repeat;
}
.contact .container { position: relative; z-index: 1; }
.contact-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-form {
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
.form-field { margin-bottom: 1.1rem; display: flex; flex-direction: column; }
.form-field label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.95rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.97rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-field textarea { resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-field select option { background: var(--surface); }
.form-status {
  margin-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--accent-strong);
  min-height: 1.4em;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding-top: 0.5rem;
}
.info-item { display: flex; flex-direction: column; gap: 0.2rem; }
.info-label {
  font-family: var(--font-head);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  color: var(--accent);
}
.info-item a:hover { color: var(--accent); }

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--border);
  background: #070b14;
  padding: 3.5rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: 2.5rem;
  align-items: start;
}
.footer-tagline { color: var(--text-2); margin-top: 0.8rem; max-width: 320px; }
.socials { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.socials a {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-2);
  transition: color var(--transition), border-color var(--transition),
              transform var(--transition);
}
.socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}
.socials svg { width: 17px; height: 17px; }
.footer-nav { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-nav a { color: var(--text-2); transition: color var(--transition); }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.88rem;
}

/* ============ Reveal animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-side { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .section { padding: 4.5rem 0; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .lightbox { padding: 1rem; }
  .lightbox-nav.prev { left: 8px; }
  .lightbox-nav.next { right: 8px; }

  /* Mobile nav */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(10, 14, 26, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 4%;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav-links.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links > a:not(.btn) {
    padding: 0.9rem 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
  }
  .nav-links .nav-cta { margin: 1rem 0; }
}

@media (max-width: 460px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.tall { grid-row: span 1; }
  .hero-ctas .btn { width: 100%; text-align: center; }
}