/* ============================================================
   AÉRA - Luxury Design System
   Brand: Premium Red Light Hair Therapy
   Market: Oman (Middle East Luxury)
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Color System */
  --color-bg-primary: #0D0D0D;
  --color-bg-secondary: #141414;
  --color-bg-tertiary: #1A1A1A;
  --color-bg-card: #111111;
  --color-bg-elevated: #1C1C1C;
  --color-bg-cream: #F5F0EB;

  --color-text-primary: #F5F0EB;
  --color-text-secondary: rgba(245, 240, 235, 0.7);
  --color-text-tertiary: rgba(245, 240, 235, 0.45);
  --color-text-inverse: #0D0D0D;

  --color-gold: #C8A45C;
  --color-gold-light: #D4B76E;
  --color-gold-dark: #A8873E;
  --color-gold-pale: rgba(200, 164, 92, 0.15);
  --color-gold-subtle: rgba(200, 164, 92, 0.08);
  --color-gold-glow: rgba(200, 164, 92, 0.25);

  --color-amber: #E8D5B7;
  --color-cream: #F5F0EB;
  --color-error: #C94B4B;
  --color-success: #5B9A5B;

  /* Typography */
  --font-heading: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Cormorant Garamond', 'Georgia', serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --border-thin: 1px solid rgba(200, 164, 92, 0.2);
  --border-medium: 1px solid rgba(200, 164, 92, 0.35);
  --border-gold: 1px solid rgba(200, 164, 92, 0.5);
  --border-subtle: 1px solid rgba(245, 240, 235, 0.08);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 4px 24px rgba(200, 164, 92, 0.15);
  --shadow-gold-lg: 0 8px 48px rgba(200, 164, 92, 0.2);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1280px;
  --max-width-narrow: 960px;
  --max-width-wide: 1440px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Selection */
::selection {
  background: var(--color-gold);
  color: var(--color-bg-primary);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-6xl); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

p { margin-bottom: var(--space-4); }

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

a:hover {
  color: var(--color-gold-light);
}

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

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-gold { color: var(--color-gold); }
.text-cream { color: var(--color-cream); }
.text-center { text-align: center; }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.1em; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }

/* --- No Script --- */
noscript .no-js-banner {
  background: var(--color-gold);
  color: var(--color-bg-primary);
  text-align: center;
  padding: var(--space-4);
  font-weight: 600;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-subtle);
}

.header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  letter-spacing: 0.15em;
  color: var(--color-cream);
  text-decoration: none;
}

.header-logo .accent {
  color: var(--color-gold);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header-nav a {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  font-weight: 500;
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--color-cream);
}

.header-nav .btn-nav {
  padding: var(--space-2) var(--space-6);
  border: var(--border-gold);
  border-radius: var(--radius-full);
  color: var(--color-gold);
  transition: all var(--transition-fast);
}

.header-nav .btn-nav:hover {
  background: var(--color-gold);
  color: var(--color-bg-primary);
}

/* Mobile Menu */
.header-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-cream);
  min-width: 44px;
  min-height: 44px;
}

.header-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-cream);
  margin: 5px 0;
  transition: all var(--transition-base);
  transform-origin: center;
}

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

.header-mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, rgba(200, 164, 92, 0.08) 0%, transparent 70%),
              radial-gradient(ellipse at 80% 50%, rgba(200, 164, 92, 0.04) 0%, transparent 50%),
              var(--color-bg-primary);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 50%, rgba(200, 164, 92, 0.03) 0%, transparent 25%),
    radial-gradient(circle at 70% 20%, rgba(200, 164, 92, 0.02) 0%, transparent 20%);
  animation: heroPulse 8s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--space-6);
}

.hero-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border: var(--border-thin);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.8s ease-out;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-title .brand {
  font-family: var(--font-heading);
  color: var(--color-gold);
  font-style: italic;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-10);
  animation: fadeInUp 0.8s ease-out 0.3s both;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.45s both;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  animation: fadeInUp 0.8s ease-out 0.7s both, bounce 2s ease-in-out infinite;
}

.hero-scroll-indicator span {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  margin: 0 auto;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  min-height: 48px;
  min-width: 48px;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

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

.btn-primary:hover {
  background: var(--color-gold-light);
  box-shadow: var(--shadow-gold-lg);
  transform: translateY(-1px);
  color: var(--color-bg-primary);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--color-cream);
  border: var(--border-gold);
}

.btn-outline:hover {
  background: var(--color-gold-pale);
  border-color: var(--color-gold-light);
  transform: translateY(-1px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gold);
}

.btn-ghost:hover {
  background: var(--color-gold-subtle);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
}

.btn-loading {
  pointer-events: none;
}

.btn-loading .btn-text { opacity: 0; }
.btn-loading .btn-spinner {
  display: block;
  position: absolute;
}

.btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--space-6);
  color: var(--color-cream);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-description {
  margin: 0 auto;
}

/* Divider */
.divider {
  width: 60px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto var(--space-8);
  opacity: 0.5;
}

/* ============================================================
   PRODUCT SHOWCASE / FEATURES
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(200, 164, 92, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  opacity: 0.6;
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  color: var(--color-gold);
  font-size: var(--text-2xl);
}

.feature-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-cream);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   TECHNOLOGY SHOWCASE
   ============================================================ */
.tech-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.tech-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.tech-visual-inner {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(200, 164, 92, 0.1) 0%, transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: techPulse 4s ease-in-out infinite;
}

@keyframes techPulse {
  0%, 100% { box-shadow: 0 0 60px rgba(200, 164, 92, 0.1); }
  50% { box-shadow: 0 0 100px rgba(200, 164, 92, 0.2); }
}

.tech-visual-orbit {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(200, 164, 92, 0.15);
  border-radius: 50%;
  animation: orbitSpin 20s linear infinite;
}

.tech-visual-orbit:nth-child(2) {
  width: 75%;
  height: 75%;
  animation-duration: 15s;
  animation-direction: reverse;
}

.tech-visual-orbit:nth-child(3) {
  width: 50%;
  height: 50%;
  animation-duration: 10s;
}

@keyframes orbitSpin {
  to { transform: rotate(360deg); }
}

.tech-list {
  list-style: none;
}

.tech-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-bottom: var(--border-subtle);
}

.tech-item:last-child {
  border-bottom: none;
}

.tech-item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold-subtle);
  border-radius: var(--radius-md);
  color: var(--color-gold);
  font-size: var(--text-xl);
}

.tech-item h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-cream);
}

.tech-item p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* ============================================================
   BENEFITS / STATS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: rgba(200, 164, 92, 0.3);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(200, 164, 92, 0.3);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  letter-spacing: 2px;
}

.testimonial-text {
  font-family: var(--font-accent);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-gold);
}

.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-cream);
}

.testimonial-location {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-card {
  max-width: 500px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border: var(--border-medium);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.pricing-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background: var(--color-gold-pale);
  color: var(--color-gold);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: var(--text-6xl);
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}

.pricing-price .currency {
  font-size: var(--text-2xl);
  vertical-align: super;
}

.pricing-price .period {
  font-size: var(--text-base);
  color: var(--color-text-tertiary);
  font-family: var(--font-body);
}

.pricing-original {
  font-size: var(--text-lg);
  color: var(--color-text-tertiary);
  text-decoration: line-through;
  margin-bottom: var(--space-6);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-8);
  text-align: left;
}

.pricing-features li {
  padding: var(--space-3) 0;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: var(--border-subtle);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li .check {
  color: var(--color-gold);
  font-weight: bold;
}

.pricing-guarantee {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-4);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: var(--border-subtle);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 500;
  padding: var(--space-6) 0;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  min-height: 44px;
}

.faq-question:hover {
  color: var(--color-gold);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform var(--transition-base);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-gold);
  transition: all var(--transition-base);
}

.faq-icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  transform: translateY(-50%);
}

.faq-icon::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  transform: translateX(-50%);
}

.faq-item.open .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: var(--space-6);
}

.faq-answer p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  text-align: center;
  padding: var(--space-32) 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(200, 164, 92, 0.06) 0%, transparent 70%),
    var(--color-bg-secondary);
}

.cta-section .section-title {
  margin-bottom: var(--space-4);
}

.cta-section .section-description {
  margin: 0 auto var(--space-8);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: var(--border-subtle);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  letter-spacing: 0.15em;
  color: var(--color-cream);
  margin-bottom: var(--space-4);
}

.footer-brand .accent {
  color: var(--color-gold);
}

.footer-about {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-cream);
  margin-bottom: var(--space-6);
}

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

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
}

.footer-payment {
  display: flex;
  gap: var(--space-3);
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

/* ============================================================
   CHECKOUT PAGE
   ============================================================ */
.checkout-page {
  padding-top: calc(var(--header-height) + var(--space-12));
  min-height: 100vh;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-10);
  align-items: start;
}

.checkout-form-section {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.checkout-summary {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-secondary);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  min-height: 48px;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-pale);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}

.form-section-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-subtle);
}

/* Order Summary */
.order-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: var(--border-subtle);
}

.order-item-image {
  width: 64px;
  height: 64px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.order-item-details {
  flex: 1;
}

.order-item-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-cream);
  margin-bottom: var(--space-1);
}

.order-item-qty {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.order-item-price {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gold);
}

.order-totals {
  margin-top: var(--space-6);
}

/* ============================================================
   PAYMENT METHOD SELECTION
   ============================================================ */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.payment-option {
  display: block;
  cursor: pointer;
  background: var(--color-bg-secondary);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
}

.payment-option:hover {
  border-color: rgba(200, 164, 92, 0.3);
  background: var(--color-bg-tertiary);
}

.payment-option.selected {
  border-color: var(--color-gold);
  background: var(--color-gold-subtle);
  box-shadow: var(--shadow-gold);
}

.payment-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.payment-option-content {
  pointer-events: none;
}

.payment-option-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.payment-radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-text-tertiary);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition-fast);
}

.payment-option.selected .payment-radio {
  border-color: var(--color-gold);
}

.payment-option.selected .payment-radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--color-gold);
}

.payment-option-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-cream);
  font-size: var(--text-base);
}

.payment-option-title strong {
  font-weight: 600;
}

.payment-icon {
  font-size: var(--text-xl);
}

.payment-option-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  padding-left: calc(20px + var(--space-4));
}

.payment-cards {
  display: flex;
  gap: var(--space-2);
  padding-left: calc(20px + var(--space-4));
}

.card-badge {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  background: var(--color-bg-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  border: var(--border-subtle);
}

/* Loading overlay for payment processing */
.payment-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}

.payment-loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-gold-pale);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.payment-loading-text {
  color: var(--color-cream);
  font-size: var(--text-lg);
  font-family: var(--font-heading);
}

.payment-loading-subtext {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.order-total-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.order-total-row.grand-total {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-cream);
  border-top: var(--border-subtle);
  padding-top: var(--space-4);
  margin-top: var(--space-2);
}

/* ============================================================
   TRACKING PAGE
   ============================================================ */
.tracking-page {
  padding-top: calc(var(--header-height) + var(--space-12));
  min-height: 100vh;
}

.tracking-form {
  max-width: 500px;
  margin: 0 auto var(--space-12);
}

.tracking-result {
  max-width: 700px;
  margin: 0 auto;
  display: none;
}

.tracking-result.visible {
  display: block;
}

.tracking-timeline {
  position: relative;
  padding-left: var(--space-8);
}

.tracking-timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gold-pale);
}

.tracking-step {
  position: relative;
  padding-bottom: var(--space-8);
}

.tracking-step:last-child {
  padding-bottom: 0;
}

.tracking-step::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 5px);
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-text-tertiary);
  z-index: 1;
}

.tracking-step.completed::before {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.tracking-step.active::before {
  background: var(--color-bg-card);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 4px var(--color-gold-pale);
}

.tracking-step-date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-1);
}

.tracking-step-title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-cream);
  margin-bottom: var(--space-1);
}

.tracking-step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ============================================================
   POLICY PAGES (Terms, Privacy, Refund)
   ============================================================ */
.policy-page {
  padding-top: calc(var(--header-height) + var(--space-12));
  padding-bottom: var(--space-16);
  min-height: 100vh;
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-content h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-8);
}

.policy-content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--color-cream);
}

.policy-content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.policy-content p,
.policy-content li {
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: var(--text-base);
}

.policy-content ul,
.policy-content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.policy-content li {
  margin-bottom: var(--space-2);
}

.policy-content a {
  color: var(--color-gold);
  text-decoration: underline;
}

.policy-content .last-updated {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-elevated);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-cream);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 400px;
  animation: toastIn 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.toast.success {
  border-left: 3px solid var(--color-success);
}

.toast.error {
  border-left: 3px solid var(--color-error);
}

.toast.info {
  border-left: 3px solid var(--color-gold);
}

.toast.exiting {
  animation: toastOut 0.3s ease-in forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

/* ============================================================
   LOADING / SKELETON
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-elevated) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fadeIn 0.2s ease-out;
}

.modal {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.3s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.modal-title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-cream);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ============================================================
   SCROLL-REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --header-height: 72px;
  }

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

  .tech-showcase {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .tech-visual {
    min-height: 300px;
  }

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

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

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

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

  .checkout-summary {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --header-height: 64px;
  }

  .header-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: var(--space-8);
    gap: var(--space-6);
  }

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

  .header-mobile-toggle {
    display: block;
  }

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

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

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

  .hero-title {
    font-size: 2.25rem;
  }

  .section {
    padding: var(--space-16) 0;
  }

  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .pricing-card {
    padding: var(--space-8);
  }

  .checkout-form-section {
    padding: var(--space-6);
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .toast-container {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}