/* =============================================
   AI IN RETAIL - MODERN STYLES
   ============================================= */

:root {
  /* Brand Colors - AI Theme with RHV Gold */
  --ai-gold: #b8a456;
  --ai-gold-dark: #9a8a48;
  --ai-gold-light: #d4c88a;
  --ai-charcoal: #1a1a1a;
  --ai-dark: #0d0d0d;
  --ai-cream: #faf9f6;
  --ai-white: #ffffff;
  --ai-cyan: #00d4ff;
  --ai-purple: #8b5cf6;

  /* Fonts */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--ai-dark);
  color: var(--ai-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* =============================================
   NAVIGATION
   ============================================= */
.aiir-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: all 0.3s ease;
}

.aiir-nav.scrolled {
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo-icon {
  height: 50px;
  width: auto;
  transition: all 0.3s ease;
}

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

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

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

.nav-cta {
  background: var(--ai-gold) !important;
  color: var(--ai-charcoal) !important;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s ease !important;
}

.nav-cta:hover {
  background: var(--ai-gold-light) !important;
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--ai-white);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    display: none;
  }

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

/* =============================================
   HERO SECTION
   ============================================= */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 2rem 80px;
  overflow: hidden;
}

.hero-bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(13, 13, 13, 0.85) 0%,
    rgba(26, 26, 26, 0.75) 50%,
    rgba(13, 13, 13, 0.9) 100%
  );
}

/* Lighter overlay for more visible flag */
.hero-bg-overlay-light {
  background: linear-gradient(
    to bottom,
    rgba(13, 13, 13, 0.25) 0%,
    rgba(13, 13, 13, 0.2) 40%,
    rgba(13, 13, 13, 0.5) 100%
  );
}

/* Fullscreen hero layout */
.hero-fullscreen {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-bottom: 0;
}

.hero-main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  padding: 120px 2rem 40px;
}

.hero-text-centered {
  text-align: center;
  max-width: 800px;
}

.hero-text-centered .hero-collaboration {
  justify-content: center;
}

.hero-text-centered .hero-badge-ai {
  margin-left: auto;
  margin-right: auto;
}

.hero-logo-large {
  margin-bottom: 2rem;
}

.hero-logo-large .hero-logo-img {
  max-width: 500px;
}

.hero-subtitle-centered {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons-centered {
  justify-content: center;
}

/* Bottom Countdown - Large */
.hero-countdown-bottom {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 3rem 2rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.countdown-container-large {
  max-width: 700px;
  margin: 0 auto;
}

.countdown-header-large {
  margin-bottom: 2rem;
  text-align: center;
}

.event-date-large {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--ai-gold);
  font-weight: 500;
  font-size: 1.1rem;
}

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

.countdown-item-large {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(184, 164, 86, 0.1);
  border: 1px solid rgba(184, 164, 86, 0.3);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.countdown-item-large:hover {
  border-color: var(--ai-gold);
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(184, 164, 86, 0.2);
}

.countdown-number-large {
  display: block;
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--ai-gold);
  line-height: 1;
}

.countdown-label-large {
  display: block;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.75rem;
}

@media (max-width: 600px) {
  .countdown-grid-large {
    gap: 1rem;
  }

  .countdown-item-large {
    padding: 1.5rem 1rem;
  }

  .countdown-number-large {
    font-size: 3rem;
  }

  .countdown-label-large {
    font-size: 0.8rem;
    letter-spacing: 2px;
  }

  .hero-logo-large .hero-logo-img {
    max-width: 300px;
  }
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  position: relative;
  z-index: 2;
  min-height: calc(100vh - 200px);
  padding-bottom: 80px;
}

/* Countdown positioned lower */
.hero-countdown-wrapper {
  align-self: end;
}

.countdown-location {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-collaboration {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero-collaboration span {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.6);
}

.aws-logo {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.hero-badge-ai {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(184, 164, 86, 0.15);
  border: 1px solid rgba(184, 164, 86, 0.3);
  border-radius: 50px;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ai-gold);
}

.ai-pulse {
  width: 8px;
  height: 8px;
  background: var(--ai-gold);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-logo {
  margin-bottom: 1.5rem;
}

.hero-logo-img {
  max-width: 400px;
  width: 100%;
  height: auto;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--ai-white);
}

.hero-title sup {
  font-size: 40%;
  vertical-align: super;
  color: var(--ai-gold);
}

.highlight-ai {
  background: linear-gradient(135deg, var(--ai-gold), var(--ai-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.35rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  max-width: 500px;
  line-height: 1.7;
}

.hero-tagline {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 2rem;
}

.hero-tagline strong {
  color: var(--ai-gold);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary-ai {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--ai-gold);
  color: var(--ai-charcoal);
  text-decoration: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid var(--ai-gold);
}

.btn-primary-ai:hover {
  background: transparent;
  color: var(--ai-gold);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(184, 164, 86, 0.3);
}

.btn-secondary-ai {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--ai-white);
  text-decoration: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

.btn-secondary-ai:hover {
  border-color: var(--ai-gold);
  color: var(--ai-gold);
}

/* Countdown */
.hero-countdown {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.countdown-header {
  margin-bottom: 2rem;
}

.event-date {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ai-gold);
  font-weight: 500;
}

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

.countdown-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: rgba(184, 164, 86, 0.1);
  border: 1px solid rgba(184, 164, 86, 0.2);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.countdown-item:hover {
  border-color: var(--ai-gold);
  transform: translateY(-5px);
}

.countdown-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ai-gold);
  line-height: 1;
}

.countdown-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 2;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--ai-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; height: 40px; }
  50% { opacity: 0.5; height: 60px; }
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    align-items: center;
    min-height: auto;
    padding-bottom: 40px;
  }

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

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

  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-countdown-wrapper {
    align-self: center;
  }
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
  padding: 120px 2rem;
  background: var(--ai-charcoal);
  position: relative;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.section-badge-ai {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(184, 164, 86, 0.15);
  border: 1px solid rgba(184, 164, 86, 0.3);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ai-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--ai-white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.about-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.about-description strong {
  color: var(--ai-white);
}

.about-principles {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.principle-icon {
  width: 40px;
  height: 40px;
  background: rgba(184, 164, 86, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ai-gold);
}

.principle span {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
}

.butterfly-frame {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(184, 164, 86, 0.15);
}

.butterfly-gif {
  width: 100%;
  display: block;
}

@media (max-width: 968px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

/* =============================================
   VENUE SECTION
   ============================================= */
.venue-section {
  padding: 120px 2rem;
  background: var(--ai-dark);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
}

.venue-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

.venue-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3rem;
}

.venue-address {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  color: var(--ai-gold);
}

.venue-address div {
  display: flex;
  flex-direction: column;
}

.venue-address strong {
  font-size: 1.25rem;
  color: var(--ai-white);
}

.venue-address span {
  color: rgba(255, 255, 255, 0.6);
}

.venue-history,
.venue-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.venue-history strong {
  color: var(--ai-gold);
}

.venue-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ai-gold);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.venue-link:hover {
  gap: 1rem;
}

.venue-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.venue-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(184, 164, 86, 0.1);
  border: 1px solid rgba(184, 164, 86, 0.2);
  border-radius: 16px;
  padding: 1.5rem 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.venue-stat:hover {
  border-color: var(--ai-gold);
  transform: translateY(-5px);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ai-gold);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .venue-content {
    grid-template-columns: 1fr;
  }

  .venue-stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .venue-stat {
    flex: 1 1 150px;
    max-width: 200px;
  }
}

/* =============================================
   PARTNERS SECTION
   ============================================= */
.partners-section {
  padding: 120px 2rem;
  background: var(--ai-charcoal);
  text-align: center;
}

.partners-content {
  max-width: 600px;
  margin: 0 auto 4rem;
}

.partner-logo-large {
  margin-bottom: 2rem;
}

.partner-logo-large img {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
}

.partner-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.rhv-badge {
  padding: 3rem;
  background: rgba(184, 164, 86, 0.1);
  border: 1px solid rgba(184, 164, 86, 0.2);
  border-radius: 24px;
  max-width: 500px;
  margin: 0 auto;
}

.rhv-logo {
  height: 60px;
  width: auto;
  margin-bottom: 1rem;
}

.rhv-badge p {
  color: rgba(255, 255, 255, 0.7);
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  padding: 120px 2rem;
  background: linear-gradient(135deg, var(--ai-dark) 0%, var(--ai-charcoal) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(184, 164, 86, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(184, 164, 86, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--ai-white);
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   FOOTER
   ============================================= */
.aiir-footer {
  background: var(--ai-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 60px 2rem 30px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo-icon {
  height: 50px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-tagline {
  color: var(--ai-gold) !important;
  font-style: italic;
  margin-top: 0.5rem;
}

.footer-column h4 {
  color: var(--ai-white);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

.footer-column a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

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

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

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