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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: #0a0a0a;
  color: white;
}

/* CONTAINER */
.container {
  width: 90%;
  max-width: 1280px;
  margin: auto;
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* NAVBAR */
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: white;
  white-space: nowrap;
  line-height: 1;
}

/* NAVIGATION */
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  text-decoration: none;
  color: white;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: 0.3s;
}

.nav a:hover {
  color: #facc15;
}

/* HERO SECTION */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
}

.hero-content {
  position: absolute;
  top: 52%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  max-width: 900px;
  z-index: 2;
}

.subtitle {
  color: #facc15;
  text-transform: uppercase;
  letter-spacing: 6px;
  margin-bottom: 18px;
  font-size: 14px;
}

.hero-content h1 {
  font-size: 72px;
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-text {
  color: #d4d4d4;
  font-size: 20px;
  margin-bottom: 40px;
}

/* HERO BUTTONS */
.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  padding: 16px 36px;
  border-radius: 18px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.3s;
}

.btn-primary {
  background: #facc15;
  color: black;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: scale(1.05);
}

/* SECTIONS */
.section {
  padding: 110px 0;
}

.dark-section {
  background: #171717;
}

.section-heading {
  text-align: center;
  margin-bottom: 60px;
}

.section-heading p {
  color: #facc15;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.section-heading h2 {
  font-size: 52px;
  font-weight: 800;
}

/* GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

/* CARDS */
.card,
.product-card,
.contact-box {
  background: black;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}

.card video {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.card-content,
.product-card,
.contact-box {
  padding: 32px;
}

.card-content h3,
.product-card h3,
.contact-box h3 {
  font-size: 30px;
  margin-bottom: 16px;
}

.card-content p,
.product-card p,
.contact-box p {
  color: #a3a3a3;
  line-height: 1.7;
}

/* PAGE HEADERS */
.page-header {
  padding-top: 180px;
  padding-bottom: 100px;
  text-align: center;
}

.page-header h1 {
  font-size: 68px;
}

/* CONTENT */
.content-section {
  padding-bottom: 100px;
}

.content-section h2 {
  font-size: 54px;
  margin-bottom: 24px;
}

.content-section p {
  color: #a3a3a3;
  margin-bottom: 18px;
  line-height: 1.8;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

input,
textarea {
  width: 100%;
  padding: 18px;
  margin-bottom: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  background: #111;
  color: white;
}

textarea {
  height: 160px;
}

button {
  background: #facc15;
  color: black;
  border: none;
  padding: 16px 36px;
  border-radius: 18px;
  font-weight: 700;
  cursor: pointer;
}

/* FOOTER */
.footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 40px;
  text-align: center;
  color: #737373;
}

/* MOBILE RESPONSIVE */
@media(max-width: 768px) {

  .nav-container {
    flex-direction: column;
    gap: 16px;
    padding: 12px 0;
  }

  .logo {
    justify-content: center;
  }

  .logo-img {
    width: 36px;
    height: 36px;
  }

  .logo-text {
    font-size: 16px;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }

  .nav a {
    font-size: 11px;
    letter-spacing: 1px;
  }

  .hero-content h1 {
    font-size: 42px;
  }

  .hero-text {
    font-size: 18px;
  }

  .section-heading h2,
  .page-header h1,
  .content-section h2 {
    font-size: 38px;
  }

  .hero-buttons {
    gap: 14px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 14px 28px;
  }
}