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

:root {
  /* Colors */
  --c-bg: #080A0D;
  --c-surface: #161A20;
  --c-secondary: #101318;
  --c-text: #F4F4F1;
  --c-muted: #9A9FA8;
  --c-accent: #C5A15A;
  --c-white: #FFFFFF;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Transition */
  --tr-fast: 0.2s ease;
  --tr-smooth: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--tr-fast);
}

ul {
  list-style: none;
}

/* 
  2. Typography 
*/
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-white);
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }

p { margin-bottom: 1rem; }

/* 
  3. Layout & Utilities 
*/
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section { padding: 6rem 0; }
.text-center { text-align: center; }
.text-accent { color: var(--c-accent); }
.text-muted { color: var(--c-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: all var(--tr-fast);
  border-radius: 2px;
}

.btn-primary {
  background-color: var(--c-accent);
  color: var(--c-bg);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--c-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--c-white);
  border: 1px solid var(--c-muted);
}
.btn-outline:hover, .btn-outline:focus {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* 
  4. Header 
*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: transparent;
  transition: background-color var(--tr-smooth), padding var(--tr-smooth);
  padding: 1.5rem 0;
}
.header.scrolled {
  background-color: rgba(8, 10, 13, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav__list {
  display: flex;
  gap: 2.5rem;
}
.nav__link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-muted);
}
.nav__link:hover {
  color: var(--c-accent);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--c-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* 
  5. Hero 
*/
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  background-size: cover;
  background-position: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(8,10,13,0.9) 0%, rgba(8,10,13,0.4) 100%);
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(197, 161, 90, 0.1);
  color: var(--c-accent);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(197, 161, 90, 0.3);
}
.hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

/* 
  6. Sections & Cards
*/
.features {
  background-color: var(--c-secondary);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.feature__item h3 {
  color: var(--c-accent);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Card Grids */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.card {
  background-color: var(--c-surface);
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform var(--tr-fast), border-color var(--tr-fast);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(197, 161, 90, 0.3);
}
.card__img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.card__content {
  padding: 2rem;
}

/* Brands Grid */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.brand-card {
  background-color: var(--c-surface);
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.05);
}

/* 
  7. Footer 
*/
.footer {
  background-color: var(--c-secondary);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.9rem;
  color: var(--c-muted);
}

/* Mobile Sticky CTA */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--c-surface);
  z-index: 99;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 0.5rem;
}
.mobile-sticky-cta__inner {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}
.mobile-sticky-cta .btn {
  flex: 1;
  padding: 0.75rem 0;
  font-size: 0.8rem;
  border-radius: 4px;
}

/* Utility Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}