@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =============================================
   CSS CUSTOM PROPERTIES
   ============================================= */
:root {
  --primary-bg: #000000;
  --secondary-bg: #0a0a0a;
  --card-bg: #111111;
  --accent-color: #ffffff;
  --accent-secondary: #e5e7eb;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --border-color: rgba(255, 255, 255, 0.08);
  --hover-glow: rgba(255, 255, 255, 0.1);
  --transition-default: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

/* =============================================
   SCROLLBAR
   ============================================= */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* =============================================
   SELECTION
   ============================================= */
::selection {
  background: rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
}

/* =============================================
   BACKGROUND LAYERS
   ============================================= */
.bg-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-bg);
  z-index: -2;
}

.bg-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.7) 100%);
  backdrop-filter: blur(1px);
  z-index: -1;
}

/* Particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: fixed;
  background: white;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.3;
  animation: particleFloat infinite linear;
}

/* Grid Pattern */
.grid-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  pointer-events: none;
  animation: gridPulse 8s ease-in-out infinite;
}

/* =============================================
   KEYFRAMES
   ============================================= */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  0% {
    opacity: 0;
    transform: translateY(-30px) translateX(-50%);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateX(-50%);
  }
}

@keyframes particleFloat {
  0%, 100% {
    translate: 0 0;
    scale: 1;
    opacity: 0.3;
  }
  25% {
    translate: 50px -100px;
    scale: 1.5;
    opacity: 0.8;
  }
  50% {
    translate: -30px -200px;
    scale: 1;
    opacity: 0.5;
  }
  75% {
    translate: 80px -150px;
    scale: 1.3;
    opacity: 0.7;
  }
}

@keyframes gridPulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

@keyframes tabFadeIn {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInRight {
  0% {
    opacity: 0;
    transform: translateX(8rem) scale(1.15);
  }
  100% {
    opacity: 1;
    transform: translateX(5rem) scale(1.15);
  }
}

/* =============================================
   GRADIENT TEXT UTILITY
   ============================================= */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================
   HEADER / NAVIGATION
   ============================================= */
.header {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 0.6rem 1.2rem;
  animation: fadeInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transition: background var(--transition-default), border-color var(--transition-default);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  padding: 0.4rem 1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  transition: transform var(--transition-default);
  white-space: nowrap;
}

.logo:hover {
  transform: scale(1.02);
}

.nav-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: max-width 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  overflow: hidden;
}

.header.collapsed .nav-links {
  max-width: 0;
  opacity: 0;
}

.header:hover .nav-links {
  max-width: 500px;
  opacity: 1;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  border-radius: 50px;
  transition: color var(--transition-default), background var(--transition-default);
  white-space: nowrap;
  font-weight: 400;
}

.nav-link svg {
  opacity: 0.7;
}

.nav-link:hover {
  color: rgba(255, 255, 255, 0.9);
}

.nav-link.active {
  background: #fff;
  color: #000;
  font-weight: 600;
}

.discord-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #5865F2, #4752C4);
  color: #fff;
  padding: 0.55rem 1.2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 8px 25px rgba(88, 101, 242, 0.4);
  transition: all var(--transition-default);
  white-space: nowrap;
}

.discord-cta:hover {
  background: linear-gradient(135deg, #6875F5, #5865F2);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(88, 101, 242, 0.5);
}

.discord-cta svg {
  flex-shrink: 0;
}

/* =============================================
   MAIN CONTENT & TABS
   ============================================= */
.main-content {
  position: relative;
  z-index: 1;
}

.tab-content {
  display: none;
  opacity: 0;
}

.tab-content.active {
  display: block;
  opacity: 1;
  animation: tabFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6rem;
  align-items: center;
  padding: 10rem 3rem 6rem;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.animate-hero {
  opacity: 0;
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  width: fit-content;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

/* Hero Title */
.hero-title {
  font-size: 5.5rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.05em;
  color: var(--text-primary);
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero Subtitle */
.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

/* Hero CTA */
.hero-cta-group {
  display: flex;
  gap: 1.2rem;
  margin-top: 0.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #000;
  padding: 1.15rem 3.2rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-default);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 1.15rem 3.2rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-default);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.4);
}

/* Hero Right / Image */
.hero-right {
  transform: translateX(5rem) scale(1.15);
}

.hero-image-wrapper {
  position: relative;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--card-bg);
  min-height: 300px;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  z-index: 2;
}

.hero-image-wrapper:hover {
  transform: scale(1.02);
  box-shadow: 0 50px 100px rgba(0, 0, 0, 0.8), 0 0 80px rgba(255, 255, 255, 0.05);
}

.hero-image {
  width: 100%;
  border-radius: 20px;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  min-height: 350px;
}

.hero-image-wrapper.placeholder-active {
  min-height: 350px;
  background: linear-gradient(135deg, #111 0%, #1a1a1a 50%, #111 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-wrapper.placeholder-active::after {
  content: 'Aura Optimizer';
  color: rgba(255, 255, 255, 0.15);
  font-size: 1.5rem;
  font-weight: 700;
}

/* =============================================
   SECTION HEADERS (shared)
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.label-dot {
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  display: inline-block;
}

.section-title {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #ffffff, #888888);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =============================================
   FEATURED SECTION
   ============================================= */
.featured-section {
  padding: 4rem 3rem 8rem;
  max-width: 1400px;
  margin: 0 auto;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* =============================================
   PRICING CARDS
   ============================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 2.5rem 2rem 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.pricing-card-featured {
  border-color: rgba(52, 211, 153, 0.3);
  background: rgba(52, 211, 153, 0.03);
  box-shadow: 0 0 30px rgba(52, 211, 153, 0.06);
}

.pricing-card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #34d399, transparent);
  border-radius: 20px 20px 0 0;
}

.pricing-card-featured:hover {
  border-color: rgba(52, 211, 153, 0.45);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(52, 211, 153, 0.08);
}

.pricing-popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.35rem 1.2rem;
  border-radius: 50px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.pricing-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.pricing-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.pricing-amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.pricing-original {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.3);
  text-decoration: line-through;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.check-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.pricing-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.9rem;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition-default);
  cursor: pointer;
  border: none;
}

.pricing-btn:hover {
  transform: translateY(-2px);
}

.pricing-btn-dark {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-btn-dark:hover {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.pricing-btn-green {
  background: linear-gradient(135deg, #34d399, #059669);
  color: #000;
}

.pricing-btn-green:hover {
  box-shadow: 0 10px 30px rgba(52, 211, 153, 0.3);
}

.pricing-btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.pricing-btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card-featured {
    order: -1;
  }
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

/* Featured Card */
.featured-card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: glowPulse 4s infinite;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-default);
}

.featured-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-default);
  pointer-events: none;
}

.featured-card:hover {
  transform: translateY(-15px) scale(1.03);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(255, 255, 255, 0.05);
}

.featured-card:hover::before,
.featured-card:hover::after {
  opacity: 1;
}

/* Card Badge */
.card-badge,
.product-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: #fff;
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 3;
}

/* Card Image */
.card-image-wrap,
.product-image-wrap {
  position: relative;
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--card-bg);
  min-height: 180px;
}

.card-image-wrap.placeholder-active,
.product-image-wrap.placeholder-active {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #111 0%, #1a1a1a 50%, #111 100%);
}

.card-image-wrap.placeholder-active::after,
.product-image-wrap.placeholder-active::after {
  content: 'Product Image';
  color: rgba(255, 255, 255, 0.15);
  font-size: 0.9rem;
  font-weight: 600;
}

.card-image,
.product-image {
  width: 100%;
  border-radius: 14px;
}

/* Card Icon Box */
.card-icon-box,
.product-icon-box {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.8rem;
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* Card Text */
.card-name,
.product-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-desc,
.product-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Card Price */
.card-price,
.product-price {
  font-size: 1.9rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1rem;
}

.sale-price {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.price-original {
  text-decoration: line-through;
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.1rem;
  font-weight: 500;
}

.price-current {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #34d399, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-sale-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  letter-spacing: 0.08em;
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.btn-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.coming-soon-card {
  opacity: 0.45;
}

/* Card Features */
.card-features,
.product-features {
  margin-bottom: 1.5rem;
}

.card-features.has-dividers li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.6rem;
  margin-bottom: 0.6rem;
}

.card-features.has-dividers li:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.card-features li,
.product-features li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.card-features li::before,
.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
}

/* Purchase Button */
.card-purchase-btn,
.product-purchase-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: #fff;
  color: #000;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid #fff;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-default);
  position: relative;
  overflow: hidden;
}

.card-purchase-btn .arrow,
.product-purchase-btn .arrow {
  margin-left: 0.5rem;
  transition: transform var(--transition-default);
}

.card-purchase-btn:hover .arrow,
.product-purchase-btn:hover .arrow {
  transform: translateX(4px);
}

.card-purchase-btn::before,
.product-purchase-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: translateX(-100%);
  transition: none;
}

.card-purchase-btn:hover::before,
.product-purchase-btn:hover::before {
  animation: shimmer 0.6s ease;
}

.card-purchase-btn:hover,
.product-purchase-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.85);
  border-color: #fff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* View All Button */
.featured-view-all {
  text-align: center;
  margin-top: 3rem;
}

.btn-view-all {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 1.1rem 3.5rem;
  border-radius: 16px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-default);
}

.btn-view-all:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-view-all .arrow {
  transition: transform var(--transition-default);
}

.btn-view-all:hover .arrow {
  transform: translateX(4px);
}

/* =============================================
   CAROUSEL
   ============================================= */
.carousel-wrap {
  position: relative;
}

.carousel-track-wrap {
  overflow: hidden;
  border-radius: 14px;
}

.carousel-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide .placeholder-active {
  min-height: 180px;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-default);
  z-index: 5;
}

.carousel-prev {
  left: 10px;
}

.carousel-next {
  right: 10px;
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 0.75rem;
}

.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all var(--transition-default);
}

.carousel-dot.active {
  background: #fff;
  transform: scale(1.25);
}

/* =============================================
   PRODUCTS SECTION
   ============================================= */
.products-section {
  padding: 9rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - 200px);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

/* Product Card */
.product-card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-default);
}

.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-default);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(255, 255, 255, 0.05);
}

.product-card:hover::before,
.product-card:hover::after {
  opacity: 1;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
  padding: 13rem 3rem 9rem;
  max-width: 1400px;
  margin: 0 auto;
}

.about-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 5rem;
}

.about-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.about-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: #fff;
}

.about-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.about-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff, #888888);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.5);
  padding: 5rem 3rem 2rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
}

.footer-logo {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff, #888888);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 380px;
}

.footer-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-default);
  display: inline-block;
}

.footer-links a:hover {
  color: rgba(255, 255, 255, 0.8);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 4rem;
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.8rem;
}

/* =============================================
   SCROLL ANIMATIONS (initial state)
   ============================================= */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1), transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-animate-card {
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* =============================================
   RESPONSIVE — 1200px
   ============================================= */
@media (max-width: 1200px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-left {
    align-items: center;
    order: 1;
  }

  .hero-right {
    order: -1;
    transform: none;
  }

  .hero-subtitle {
    margin: 0 auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-title {
    font-size: 4.5rem;
  }

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

/* =============================================
   RESPONSIVE — 1024px
   ============================================= */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 4rem;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  /* Nav: full-width, wrap links */
  .header {
    left: 1rem;
    right: 1rem;
    transform: none;
    width: auto;
    animation: none;
  }

  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 0.6rem;
    margin-top: 0.4rem;
    gap: 0.25rem;
    flex-wrap: wrap;
  }

  .header.collapsed .nav-links {
    max-width: none;
    opacity: 1;
  }

  .nav-divider {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .footer-desc {
    margin: 0 auto;
  }

  .footer-brand {
    order: -1;
  }
}

/* =============================================
   RESPONSIVE — 768px
   ============================================= */
@media (max-width: 768px) {
  .hero {
    padding: 7rem 2rem 4rem;
    min-height: auto;
  }

  .hero-title {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2.8rem;
  }

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

  .stat-number {
    font-size: 2rem;
  }

  .header {
    padding: 0.6rem 0.8rem;
  }

  .featured-section,
  .products-section,
  .about-section {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .footer {
    padding: 3rem 1.5rem 2rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: center;
  }

  .about-section {
    padding-top: 9rem;
  }
}

/* =============================================
   RESPONSIVE — 480px
   ============================================= */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .about-cards-grid {
    grid-template-columns: 1fr;
  }
}