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

:root {
  --black: #0a0a0a;
  --black-2: #111;
  --dark: #1a1a1a;
  --dark-2: #222;
  --gray: #555;
  --gray-light: #888;
  --gray-lighter: #ccc;
  --white: #fff;
  --off-white: #f5f5f5;
  --accent: #d4a853;
  --accent-hover: #c49a3f;
  --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* TOPBAR */
.topbar {
  background: var(--dark-2);
  padding: 8px 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.topbar-inner {
  display: flex;
  gap: 48px;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-light);
  font-weight: 500;
  animation: scrollText 20s linear infinite;
  white-space: nowrap;
  width: max-content;
}

@keyframes scrollText {
  0% { transform: translateX(0); }
  100% { transform: translateX(-33.33%); }
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  padding: 0 24px;
  height: 64px;
  max-width: 1400px;
  margin: 0 auto;
}

.header-inner > * {
  min-width: 0;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 3px;
}

.nav-left {
  display: flex;
  gap: 20px;
  justify-content: flex-start;
  flex-wrap: nowrap;
}

.header-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-right {
  display: flex;
  gap: 20px;
  flex-wrap: nowrap;
}

.nav-right a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: var(--gray-lighter);
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-right a:hover {
  color: var(--accent);
}

.nav-left a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: var(--gray-lighter);
  transition: color 0.2s;
}

.nav-left a:hover {
  color: var(--accent);
}

@media (max-width: 1100px) {
  .header-inner {
    padding: 0 16px;
  }

  .nav-left {
    gap: 16px;
  }

  .nav-right {
    gap: 16px;
  }

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

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--white);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.icon-btn:hover {
  color: var(--accent);
}

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

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: 0.3s;
}

/* MOBILE NAV */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(16px);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mobile-nav-inner a {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gray-lighter);
  transition: color 0.2s;
}

.mobile-nav-inner a:hover {
  color: var(--accent);
}

/* HERO */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero-bg.png');
  background-size: cover;
  background-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(212,168,83,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(255,255,255,0.04) 0%, transparent 45%),
    linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.75) 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.015) 2px,
      rgba(255,255,255,0.015) 4px
    );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: 0 24px;
}

.hero-label {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
}

.text-accent {
  color: var(--accent);
}

.hero-desc {
  font-size: 16px;
  color: var(--gray-light);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* SECTION */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--black-2);
}

.section-recon {
  background: linear-gradient(180deg, var(--black-2), var(--black));
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
}

.section-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-light);
  transition: color 0.2s;
}

.section-link:hover {
  color: var(--accent);
}

/* PRODUCT GRID */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  border-color: rgba(212,168,83,0.3);
  transform: translateY(-4px);
}

.product-card-image {
  aspect-ratio: 1;
  background: var(--dark-2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--black);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 10px;
}

.product-card-body {
  padding: 20px;
}

.product-card-series {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 6px;
}

.product-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-card-subtitle {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 12px;
}

.product-card-price {
  font-size: 16px;
  font-weight: 700;
}

.product-card-price .original {
  text-decoration: line-through;
  color: var(--gray);
  font-weight: 400;
  margin-right: 8px;
}

/* FEATURED */
.featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.featured-image-frame {
  aspect-ratio: 3/4;
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}

.featured-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.featured-image-frame:hover img {
  transform: scale(1.03);
}

.product-series {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.featured-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.1;
}

.featured-desc {
  color: var(--gray-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.featured-specs {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
}

.spec {
  text-align: center;
}

.spec-value {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.spec-label {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.featured-price {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}

.featured-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* SERIES GRID */
.series-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.series-card {
  position: relative;
  aspect-ratio: 3/4;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.4s;
}

.series-card:hover {
  border-color: rgba(212,168,83,0.3);
  transform: translateY(-4px);
}

.series-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s;
}

.series-card:hover .series-card-bg {
  transform: scale(1.05);
}

.series-card-content {
  position: relative;
  padding: 24px;
  width: 100%;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
}

.series-card-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.series-card-content p {
  font-size: 13px;
  color: var(--gray-light);
  margin-top: 4px;
}

/* RECON */
.recon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.recon-content h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  margin: 12px 0 20px;
}

.recon-content p {
  color: var(--gray-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.recon-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.recon-list li {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gray-lighter);
}

.recon-image-frame {
  aspect-ratio: 4/3;
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}

.recon-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.recon-image-frame:hover img {
  transform: scale(1.03);
}

/* SOCIAL */
.social-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.social-card {
  aspect-ratio: 1;
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}

.social-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.social-card:hover {
  border-color: rgba(212,168,83,0.3);
}

.social-card:hover img {
  transform: scale(1.05);
}

/* NEWSLETTER */
.newsletter {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.newsletter h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}

.newsletter p {
  color: var(--gray-light);
  margin-bottom: 32px;
  font-size: 15px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  font-family: var(--font-sans);
}

.newsletter-form input:focus {
  border-color: var(--accent);
}

.newsletter-form input::placeholder {
  color: var(--gray);
}

/* FOOTER */
.footer {
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 20px;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  font-size: 18px;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.social-links a:hover {
  opacity: 1;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 12px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 12px;
  color: var(--gray);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .featured,
  .recon {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .series-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .social-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-inner {
    height: 56px;
  }

  .section {
    padding: 60px 0;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .series-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .social-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .featured-specs {
    gap: 20px;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .hero {
    min-height: 80vh;
  }

  .recon-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .product-card-body {
    padding: 12px;
  }

  .product-card-title {
    font-size: 13px;
  }

  .series-grid {
    grid-template-columns: 1fr;
  }
}
