/* ==========================================================================
   AIClone.ae Global Styles
   Royal Futurist Theme: Midnight Blue, Soft Gold, Obsidian Black
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --midnight-blue: #0F172A;
  --obsidian-black: #0A0A0A;
  --soft-gold: #D4AF37;
  --soft-gold-light: #F4E4C1;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;
  
  /* Glassmorphism */
  --glass-bg: linear-gradient(135deg, rgba(15,23,42,0.9), rgba(15,23,42,0.6));
  --glass-border: rgba(148,163,184,0.2);
  --glass-blur: 16px;
  
  /* Shadows */
  --shadow-gold: 0 0 40px rgba(212,175,55,0.35);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --section-padding: 4rem;
  --container-max: 72rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--obsidian-black);
  color: var(--slate-200);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: white;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
}

.gradient-text {
  background: linear-gradient(135deg, var(--soft-gold) 0%, var(--soft-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gold { color: var(--soft-gold); }
.text-slate-300 { color: var(--slate-300); }
.text-slate-400 { color: var(--slate-400); }
.text-slate-500 { color: var(--slate-500); }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 1024px) {
  .container { padding: 0 1.5rem; }
}

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

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

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

/* --------------------------------------------------------------------------
   Glassmorphism Components
   -------------------------------------------------------------------------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: 1.5rem;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: 1.5rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(212,175,55,0.4);
  transform: translateY(-2px);
}

.gold-border {
  border: 1px solid rgba(212,175,55,0.3);
}

.gold-border:hover {
  border-color: var(--soft-gold);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 9999px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--soft-gold) 0%, #C9A961 100%);
  color: var(--obsidian-black);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background: transparent;
  color: var(--soft-gold);
  border: 2px solid var(--soft-gold);
}

.btn-secondary:hover {
  background: rgba(212,175,55,0.1);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.625rem 1.5rem;
  font-size: 0.75rem;
}

.btn-full { width: 100%; }

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--slate-200);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(15,23,42,0.6);
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: 0.5rem;
  color: var(--slate-200);
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--soft-gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--slate-500);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: 1.5rem;
  padding: 1.5rem;
}

.card-icon {
  width: 3rem;
  height: 3rem;
  color: var(--soft-gold);
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--slate-300);
  font-size: 0.9rem;
}

/* Pricing Card */
.pricing-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: 1.5rem;
  padding: 2rem;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--soft-gold);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--soft-gold);
  color: var(--obsidian-black);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-tier {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--soft-gold);
  margin-bottom: 0.5rem;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--slate-400);
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--slate-300);
  margin-bottom: 0.5rem;
}

.pricing-features li svg {
  width: 1rem;
  height: 1rem;
  color: var(--soft-gold);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   Video Placeholder
   -------------------------------------------------------------------------- */
.video-placeholder {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  background: linear-gradient(135deg, var(--midnight-blue), var(--slate-800));
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  overflow: hidden;
}

.video-placeholder-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.video-placeholder-icon {
  width: 4rem;
  height: 4rem;
  background: var(--soft-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.video-placeholder-icon:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
}

.video-placeholder-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--obsidian-black);
  margin-left: 0.25rem;
}

.video-placeholder-text {
  font-size: 0.875rem;
  color: var(--slate-400);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15,23,42,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212,175,55,0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--soft-gold), #F4E4C1);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--obsidian-black);
  box-shadow: var(--shadow-gold);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo-name {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.nav-logo-tagline {
  font-size: 0.75rem;
  color: var(--slate-400);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-300);
  transition: color 0.2s;
}

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

.nav-cta {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 1024px) {
  .nav-cta { display: flex; }
}

.nav-mobile-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 0.5rem;
  color: var(--slate-200);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .nav-mobile-btn { display: none; }
}

.nav-mobile {
  display: none;
  padding: 1rem;
  background: var(--obsidian-black);
  border-top: 1px solid var(--glass-border);
}

.nav-mobile.active {
  display: block;
}

.nav-mobile a {
  display: block;
  padding: 0.75rem 0;
  color: var(--slate-300);
}

.nav-mobile-cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--slate-800);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--slate-400);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--slate-800);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--slate-500);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(212,175,55,0); }
  50% { box-shadow: var(--shadow-gold); }
}

.animate-pulse-glow {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   Accordion (FAQ)
   -------------------------------------------------------------------------- */
.accordion {
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s;
}

.accordion-btn:hover {
  background: rgba(15,23,42,0.5);
}

.accordion-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--soft-gold);
  transition: transform 0.3s;
}

.accordion.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion.active .accordion-content {
  max-height: 500px;
}

.accordion-body {
  padding: 0 1.25rem 1.25rem;
  color: var(--slate-300);
  font-size: 0.9375rem;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  padding: 4rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -20rem;
  left: 50%;
  transform: translateX(-50%);
  width: 50rem;
  height: 30rem;
  background: radial-gradient(ellipse, rgba(212,175,55,0.2) 0%, transparent 70%);
  filter: blur(60px);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30rem;
  height: 30rem;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  filter: blur(60px);
}

.hero-content {
  max-width: 40rem;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--soft-gold);
  margin-bottom: 1rem;
  opacity: 0.9;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero-title { font-size: 3.5rem; }
}

@media (min-width: 1024px) {
  .hero-title { font-size: 4rem; }
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--slate-300);
  margin-bottom: 1rem;
  max-width: 36rem;
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--soft-gold);
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-note {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--slate-500);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

.max-w-3xl { max-width: 48rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.05em; }
.tracking-wider { letter-spacing: 0.1em; }
.tracking-widest { letter-spacing: 0.15em; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

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