/* ============================================
   Carapax — Styles
   ============================================ */

:root {
  --bg-primary: #0f0e17;
  --bg-secondary: #18181e;
  --bg-card: #1e1e28;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0b0;
  --accent-gold: #f59f0a;
  --accent-gold-dim: #bc671a;
  --accent-teal: #0fa4af;
  --border: #2a2a3a;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* Ensure all content sits above the texture */
body > * {
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 14, 23, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(245, 159, 10, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(15, 164, 175, 0.06) 0%, transparent 60%),
    var(--bg-primary);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text {
  text-align: left;
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.1;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-gold-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 159, 10, 0.25);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 120px 0;
}

.section-dark {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 64px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ============================================
   Products
   ============================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold-dim);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.product-image {
  aspect-ratio: 1 / 1;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.product-image img {
  max-height: 100%;
  object-fit: contain;
}

.product-info {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent-gold);
}

.product-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  text-align: center;
}

.btn-secondary:hover {
  background: var(--accent-gold);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

/* ============================================
   About
   ============================================ */
.about-image img {
  border-radius: 8px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  color: var(--accent-gold);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #555;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(245, 159, 10, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
}

.form-status {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
}

.form-status.success {
  color: #34d399;
}

.form-status.error {
  color: #f87171;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(15, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    gap: 28px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-text {
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .section {
    padding: 80px 0;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    letter-spacing: 0.15em;
  }
}