/* ===== MAINTENANCE MODE ===== */
.maintenance-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99999;
  background: #0A0A0F;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.maintenance-content {
  max-width: 500px;
  padding: 2rem;
}

.maintenance-logo {
  width: 120px;
  height: auto;
  margin: 0 auto 2rem;
  border-radius: 12px;
}

.maintenance-overlay h1 {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #F5F5F7;
  margin-bottom: 1rem;
}

.maintenance-overlay p {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  font-size: 1.1rem;
  color: #F5F5F7;
  line-height: 1.6;
}

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

:root {
  --primary: #C8102E;
  --primary-dark: #9B0A20;
  --accent: #1A1A2E;
  --dark: #0A0A0F;
  --dark-surface: #111118;
  --dark-card: #16161F;
  --gray-700: #2A2A35;
  --gray-500: #4A4A5A;
  --gray-300: #F5F5F7;
  --gray-100: #F5F5F7;
  --white: #F5F5F7;
  --gold: #C9A84C;
  --blue-accent: #2563EB;
  --font-heading: 'Inter', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 16, 46, 0.15);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.nav-logo img {
  height: 60px;
  width: auto;
}

.nav-logo span {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 245, 247, 0.7);
  transition: color 0.3s ease;
}

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

.nav-links a.btn-primary {
  color: var(--white) !important;
  background: var(--primary);
}

.nav-links a.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white) !important;
}

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

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

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(200, 16, 46, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(200, 16, 46, 0.4);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  color: var(--primary);
}

.hero-text {
  font-size: 1.1rem;
  color: var(--gray-300);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-image {
  position: relative;
  z-index: 1;
}

.hero-image img {
  width: 100%;
  border-radius: 12px;
  filter: drop-shadow(0 20px 60px rgba(200, 16, 46, 0.15));
}

.hero-image::after {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(200, 16, 46, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200, 16, 46, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--gray-500);
}

.btn-outline:hover {
  border-color: var(--white);
  transform: translateY(-2px);
}

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

.btn-gold:hover {
  background: #d4b35a;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 168, 76, 0.3);
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== PROBLEM SECTION ===== */
.problem {
  background: var(--dark-surface);
}

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

.problem-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.problem-image img {
  width: 100%;
  border-radius: 12px;
}

.problem-image .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  font-size: 0.85rem;
  color: var(--gray-300);
}

.problem h2 {
  margin-bottom: 1.5rem;
}

.problem-text {
  color: var(--gray-300);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.stat-row {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ===== SOLUTION SECTION ===== */
.solution {
  position: relative;
}

.solution-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.solution-header h2 {
  margin-bottom: 1rem;
}

.solution-header p {
  color: var(--gray-300);
  font-size: 1.05rem;
}

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

.solution-card {
  background: var(--dark-card);
  border: 1px solid var(--gray-700);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.solution-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.solution-card .card-icon {
  width: 48px;
  height: 48px;
  background: rgba(200, 16, 46, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}

.solution-card h3 {
  margin-bottom: 0.75rem;
}

.solution-card p {
  color: var(--gray-300);
  font-size: 0.95rem;
}

/* ===== TECHNOLOGY / SHOWCASE ===== */
.showcase {
  background: var(--dark-surface);
}

.showcase-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.showcase-header h2 {
  margin-bottom: 1rem;
}

.showcase-header p {
  color: var(--gray-300);
}

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

.showcase-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-700);
  transition: border-color 0.3s;
  cursor: pointer;
}

.showcase-item:hover {
  border-color: var(--primary);
}

.showcase-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.showcase-item:hover img {
  transform: scale(1.03);
}

.showcase-item .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 1.5rem 1.25rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
}

.showcase-item .overlay h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.showcase-item .overlay p {
  font-size: 0.88rem;
  color: var(--gray-100);
  line-height: 1.5;
}

.showcase-item .zoom-hint {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--white);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.showcase-item:hover .zoom-hint {
  opacity: 1;
}

/* ===== LIGHTBOX ===== */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 2rem;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  transform: scale(0.92);
  transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-content {
  transform: scale(1);
}

.lightbox-content img {
  width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-caption {
  text-align: center;
  margin-top: 1.25rem;
}

.lightbox-caption h4 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.lightbox-caption p {
  font-size: 0.95rem;
  color: var(--gray-300);
  line-height: 1.5;
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev {
  left: -4rem;
}

.lightbox-next {
  right: -4rem;
}

@media (max-width: 968px) {
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
  .lightbox-close { top: -2.5rem; right: 0; }
}

.showcase-item.featured {
  grid-column: span 2;
}

.showcase-item.featured img {
  height: 400px;
}

/* ===== VIDEO SECTION ===== */
.videos {
  position: relative;
}

.videos-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.videos-header h2 {
  margin-bottom: 1rem;
}

.videos-header p {
  color: var(--gray-300);
}

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

.video-card {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-700);
  background: var(--dark-card);
  cursor: pointer;
  transition: border-color 0.3s, transform 0.3s;
}

.video-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.video-thumb {
  position: relative;
  overflow: hidden;
}

.video-thumb video {
  width: 100%;
  height: 280px;
  object-fit: cover;
  background: #000;
  pointer-events: none;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: rgba(200, 16, 46, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  transition: transform 0.3s, background 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.video-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(200, 16, 46, 1);
}

.video-card .video-info {
  padding: 1.25rem;
}

.video-card .video-info h4 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.video-card .video-info p {
  font-size: 0.88rem;
  color: var(--gray-100);
  line-height: 1.5;
}

.video-card.featured-video {
  grid-column: span 2;
}

.video-card.featured-video .video-thumb video {
  height: 380px;
}

/* ===== VIDEO LIGHTBOX ===== */
.video-lightbox-content {
  max-width: 960px;
}

.video-lightbox-content video {
  width: 100%;
  max-height: 75vh;
  border-radius: 8px;
  background: #000;
  display: block;
}

/* ===== PLATFORM SECTION ===== */
.platform {
  background: var(--dark-surface);
}

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

.platform-content h2 {
  margin-bottom: 1.5rem;
}

.platform-content > p {
  color: var(--gray-300);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(200, 16, 46, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
}

.feature-text h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.feature-text p {
  font-size: 0.85rem;
  color: var(--gray-300);
}

.platform-image img {
  border-radius: 12px;
  border: 1px solid var(--gray-700);
}

/* ===== BRANDS SECTION ===== */
.brands {
  text-align: center;
}

.brands-header {
  max-width: 700px;
  margin: 0 auto 4rem;
}

.brands-header h2 {
  margin-bottom: 1rem;
}

.brands-header p {
  color: var(--gray-300);
}

.brand-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}

.brand-card {
  background: var(--dark-card);
  border: 1px solid var(--gray-700);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s;
}

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

.brand-card h3 {
  color: var(--gold);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.brand-card .tagline {
  font-style: italic;
  color: var(--gray-300);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.brand-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.brand-card ul li {
  font-size: 0.85rem;
  color: var(--gray-100);
  padding-left: 1.25rem;
  position: relative;
}

.brand-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ===== IP / CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--dark-surface) 0%, rgba(200, 16, 46, 0.08) 100%);
  text-align: center;
  border-top: 1px solid var(--gray-700);
  border-bottom: 1px solid var(--gray-700);
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
}

.cta-section .btn-group {
  justify-content: center;
}

/* ===== FOOTER ===== */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--gray-700);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-brand img {
  height: 50px;
}

.footer-brand span {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.footer-notice {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-style: italic;
}

/* ===== IP PAGE SPECIFIC ===== */
.ip-hero {
  padding: 8rem 0 4rem;
  text-align: center;
  background: var(--dark-surface);
}

.ip-hero h1 {
  margin-bottom: 1rem;
}

.ip-hero p {
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto;
}

.ip-documents {
  padding: 4rem 0 6rem;
}

.ip-doc {
  background: var(--dark-card);
  border: 1px solid var(--gray-700);
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.ip-doc h3 {
  margin-bottom: 0.5rem;
  color: var(--gold);
}

.ip-doc .ip-meta {
  font-size: 0.85rem;
  color: var(--gray-300);
  margin-bottom: 1.5rem;
}

.ip-doc img {
  max-width: 600px;
  margin: 0 auto;
  border-radius: 8px;
  border: 1px solid var(--gray-700);
}

.ip-doc .pdf-notice {
  text-align: center;
  margin-top: 1.5rem;
}

.ip-doc .pdf-notice a {
  color: var(--primary);
  text-decoration: underline;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-300);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  transition: color 0.3s;
}

.back-link:hover {
  color: var(--white);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .hero .container,
  .problem .container,
  .platform .container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .solution-grid,
  .brand-cards {
    grid-template-columns: 1fr;
  }

  .showcase-gallery {
    grid-template-columns: 1fr;
  }

  .showcase-item.featured {
    grid-column: span 1;
  }

  .showcase-item.featured img {
    height: 300px;
  }

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

  .video-card.featured-video {
    grid-column: span 1;
  }

  .stat-row {
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    padding: 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--gray-700);
  }

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

  .nav-toggle {
    display: flex;
  }

  .footer .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 600px) {
  section {
    padding: 4rem 0;
  }

  .container {
    padding: 0 1.25rem;
  }

  .hero {
    min-height: auto;
    padding-top: 7rem;
    padding-bottom: 3rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
  }
}