/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #0096c7;
  --dark: #080e18;
  --dark2: #0d1520;
  --dark3: #131e2e;
  --gray: #888;
  --light: #f5f5f5;
  --white: #ffffff;
  --accent: #48cae4;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--white);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.btn-primary:hover { background: #c1121f; border-color: #c1121f; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover { border-color: #fff; transform: translateY(-2px); }
.btn.small { padding: 10px 22px; font-size: 14px; }
.btn.full { width: 100%; text-align: center; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
}
.logo span { color: var(--red); }
.nav-links { display: flex; gap: 36px; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
  letter-spacing: 0.5px;
}
.nav-links a:hover { color: #fff; }

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, #080e18 0%, #0a1a2e 50%, #080e18 100%);
}

/* Animated background grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,150,199,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,150,199,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,150,199,0.12) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 750px;
  padding: 0 24px;
}

.hero-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(42px, 7vw, 82px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero-content h1 span { color: var(--red); }

.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.3);
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== STATS ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--dark2);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: background 0.2s;
}
.stat:last-child { border-right: none; }
.stat:hover { background: rgba(230,57,70,0.05); }
.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 13px; color: var(--gray); text-align: center; }

/* ===== SECTION TAGS ===== */
.section-tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}
.section-tag.center { text-align: center; }
h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
h2.center { text-align: center; }

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: var(--dark);
}
.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p { color: rgba(255,255,255,0.65); margin-bottom: 18px; font-size: 16px; }
.about-text .btn { margin-top: 12px; }

.image-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--dark3);
  border: 1px solid rgba(255,255,255,0.08);
  aspect-ratio: 4/3;
}
.image-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
}
.image-placeholder svg { width: 100%; height: auto; }
.badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--red);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 20px;
}

/* ===== MODELS ===== */
.models {
  padding: 100px 0;
  background: var(--dark2);
}
.models .container > p, .models .container > h2 { margin-bottom: 12px; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.card {
  background: var(--dark3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(230,57,70,0.3);
  box-shadow: 0 20px 40px rgba(230,57,70,0.1);
}
.card.featured {
  border-color: var(--red);
  background: linear-gradient(135deg, #0a1a2e, var(--dark3));
}
.card-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 20px;
}
.card-icon { font-size: 40px; }
.card h3 { font-size: 22px; font-weight: 700; }
.card p { color: rgba(255,255,255,0.6); font-size: 15px; }
.card-price { font-size: 18px; font-weight: 800; color: var(--red); margin-top: auto; }

/* ===== SERVICES ===== */
.services {
  padding: 100px 0;
  background: var(--dark);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.service-item {
  background: var(--dark3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s;
}
.service-item:hover {
  transform: translateY(-4px);
  border-color: rgba(230,57,70,0.25);
}
.service-icon { font-size: 36px; margin-bottom: 16px; }
.service-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.service-item p { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--dark2);
}
p.sub { color: rgba(255,255,255,0.55); margin-bottom: 50px; font-size: 16px; }
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  background: var(--dark3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  padding: 14px 18px;
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  font-family: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--red); }
.contact-form select option { background: var(--dark3); }
.contact-form textarea { resize: vertical; }
.success-msg {
  text-align: center;
  margin-top: 20px;
  padding: 16px;
  background: rgba(0,200,100,0.1);
  border: 1px solid rgba(0,200,100,0.3);
  border-radius: 8px;
  color: #4ecca3;
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 24px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer p { color: var(--gray); font-size: 14px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--gray); transition: color 0.2s; }
.footer-links a:hover { color: #fff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .navbar { padding: 16px 24px; }
  .nav-links { gap: 20px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .about .container { grid-template-columns: 1fr; gap: 40px; }
  .about-image { order: -1; }
  .cards { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero-buttons { flex-direction: column; align-items: center; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}