/* index.css - Koobz Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1f1f1f;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent-color: #ea548f;
  /* Brand pink */
  --accent-glow: rgba(234, 84, 143, 0.4);
  --border-color: #333333;

  /* Typography */
  --font-family: 'Outfit', sans-serif;

  /* Spacing */
  --section-padding: 100px 5%;
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography Utility */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(3rem, 5vw, 5rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 60ch;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

/* Layout Utilities */
.container {
  max-width: 1400px;
  margin: 0 auto;
}

.flex {
  display: flex;
}

.grid {
  display: grid;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

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

/* Pattern Grid */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.pattern-card {
  background: var(--bg-secondary);
  padding: 0;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}

.pattern-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
}

.pattern-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.pattern-card h4 {
  margin: 20px 20px 5px 20px;
  font-size: 1.25rem;
}

.pattern-card p {
  margin: 0 20px 20px 20px;
  font-size: 0.9rem;
}

/* Benefits Layout Section */
.benefits-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  padding: 15px 5%;
  border-bottom: 1px solid var(--border-color);
}

.navbar .logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

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

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

.trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.trust-badge span {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--bg-primary);
  opacity: 0.6;
  text-transform: uppercase;
  transition: var(--transition);
  letter-spacing: -0.02em;
}

.trust-badge:hover span {
  opacity: 1;
  transform: scale(1.05);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-family);
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(234, 84, 143, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 0 30px rgba(234, 84, 143, 0.8);
  transform: translateY(-2px);
  color: var(--bg-primary);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--text-primary);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: 60px 5% 20px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo img {
  height: 30px;
  margin-bottom: 20px;
}

.footer-links h4 {
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
}

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

.copyright {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Hamburger hidden on desktop */
.hamburger { display: none; }

.factory-img {
  width: 100%; height: 100%; object-fit: cover; object-position: left center;
  min-height: 600px; border-radius: var(--border-radius); box-shadow: 0 20px 40px var(--accent-glow);
}

/* Responsive */
@media (max-width: 768px) {
  /* Hide nav links and CTA button, show hamburger */
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.5rem;
  }

  /* Hide nav-cta (Partner With Us) button on mobile */
  .nav-cta { display: none !important; }

  /* Benefits: stack vertically, hide image */
  .benefits-layout {
    grid-template-columns: 1fr;
  }

  .factory-img { min-height: 250px !important; height: 250px !important; }

  .benefits-content {
    width: 100%;
  }

  .benefits-grid {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Center Why Koobz benefit tiles */
  .benefit-card {
    text-align: center;
  }

  /* Hamburger button */
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 5px;
  }

  .hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
  }

  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Center Why Koobz benefit tiles */
  .benefit-card {
    text-align: center;
  }

  /* Footer Responsiveness */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-logo img {
    height: 30px;
    margin: 0 auto 20px auto;
  }

  /* Trust Badges Responsiveness */
  .logos-container {
    gap: 20px;
  }

  .trust-badge {
    font-size: 1rem;
  }
}