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

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

:root {
  --primary: #1319c3;
  --primary-light: #3b4be0;
  --primary-dark: #0d108a;
  --accent: #00b3ff;
  --accent-light: #4dd4ff;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --gray-lighter: #cbd5e1;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --white: #ffffff;
  --green: #22c55e;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--primary-light) !important;
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 600;
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f172a 0%, #1a1f4e 50%, #1319c3 100%);
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,179,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(19,25,195,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,179,255,0.12);
  border: 1px solid rgba(0,179,255,0.25);
  color: var(--accent-light);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

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

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(19,25,195,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(19,25,195,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
}

.hero-stat p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-5deg);
  transition: var(--transition);
}

.hero-image:hover img {
  transform: perspective(1000px) rotateY(0deg);
}

.hero-float-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 4s ease-in-out infinite;
  z-index: 2;
}

.hero-float-card.card-1 {
  top: 20px;
  right: -20px;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 40px;
  left: -30px;
  animation-delay: 2s;
}

.hero-float-card .icon-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.hero-float-card .card-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--dark);
}

.hero-float-card .card-text span {
  font-size: 0.75rem;
  color: var(--gray);
}

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

/* ===== SECTION SHARED ===== */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(19,25,195,0.08);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-dark .section-tag {
  background: rgba(0,179,255,0.15);
  color: var(--accent-light);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--gray);
  line-height: 1.7;
}

.section-dark .section-header p {
  color: rgba(255,255,255,0.6);
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  aspect-ratio: 4/3;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 20px 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.gallery-item.featured {
  grid-row: span 2;
}

/* ===== TECH STACK ===== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tech-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
}

.tech-card:hover {
  background: var(--dark-3);
  border-color: rgba(0,179,255,0.3);
  transform: translateY(-4px);
}

.tech-card .tech-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.tech-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.tech-card p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* ===== INSTALL ===== */
.install-steps {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.install-step {
  background: var(--bg-alt);
  border: 1px solid var(--gray-lighter);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.install-step:hover {
  box-shadow: var(--shadow);
}

.install-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--white);
  border-bottom: 1px solid var(--bg-alt);
}

.install-step-header .step-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
}

.install-step-header .step-num .num {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--gray-lighter);
  color: var(--gray);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

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

.copy-btn.copied {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.install-step pre {
  padding: 16px 20px;
  margin: 0;
  overflow-x: auto;
  background: var(--dark);
  color: #e2e8f0;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.install-step pre .comment {
  color: var(--gray);
}

.install-step pre .cmd {
  color: #6ee7b7;
}

/* ===== RESPONSIBILITY TABLE ===== */
.responsive-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.responsive-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  min-width: 600px;
}

.responsive-table thead {
  background: var(--primary);
  color: var(--white);
}

.responsive-table th {
  padding: 16px 24px;
  text-align: left;
  font-weight: 700;
  font-size: 0.9rem;
}

.responsive-table td {
  padding: 16px 24px;
  font-size: 0.9rem;
  color: var(--dark-3);
  border-bottom: 1px solid var(--bg-alt);
}

.responsive-table tbody tr:last-child td {
  border-bottom: none;
}

.responsive-table tbody tr:hover {
  background: var(--bg);
}

/* ===== DEPLOY SECTION ===== */
.deploy-section {
  background: var(--bg-alt);
}

.deploy-checklist {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.check-card {
  background: var(--white);
  border: 1px solid var(--gray-lighter);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.check-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.check-icon {
  font-size: 2rem;
  margin-bottom: 4px;
}

.check-card strong {
  font-size: 0.95rem;
  color: var(--dark);
}

.check-card span {
  font-size: 0.8rem;
  color: var(--gray);
  line-height: 1.5;
}

.deploy-steps {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.deploy-step {
  background: var(--white);
  border: 1px solid var(--gray-lighter);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.deploy-step:hover {
  box-shadow: var(--shadow);
}

.deploy-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--white);
  border-bottom: 1px solid var(--bg-alt);
}

.deploy-step-header .step-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
}

.deploy-step-header .step-num .num {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}

.deploy-step-body {
  padding: 20px;
}

.deploy-step-body p {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 16px;
  line-height: 1.6;
}

.deploy-step-body code {
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.deploy-step pre {
  padding: 16px 20px;
  margin: 0;
  overflow-x: auto;
  background: var(--dark);
  color: #e2e8f0;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.deploy-step pre .comment {
  color: var(--gray);
}

.deploy-step pre .cmd {
  color: #6ee7b7;
}

.deploy-table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--gray-lighter);
}

.deploy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.deploy-table th {
  background: var(--bg-alt);
  padding: 10px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray);
  border-bottom: 1px solid var(--gray-lighter);
}

.deploy-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--bg-alt);
  color: var(--dark-3);
}

.deploy-table tbody tr:last-child td {
  border-bottom: none;
}

.deploy-table code {
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

@media (max-width: 1024px) {
  .deploy-checklist {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .deploy-table {
    font-size: 0.8rem;
  }

  .deploy-table th,
  .deploy-table td {
    padding: 8px 12px;
  }
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
  background: linear-gradient(135deg, #0f172a 0%, #1a1f4e 50%, #1319c3 100%);
  padding: 100px 0;
}

.download-card {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  backdrop-filter: blur(20px);
}

.download-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 8px 30px rgba(34,197,94,0.35);
}

.download-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.download-card > p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
  line-height: 1.7;
}

.download-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 36px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.download-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
}

.df-icon {
  font-size: 1rem;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 18px 48px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(34,197,94,0.4);
  text-decoration: none;
  font-family: inherit;
}

.download-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 35px rgba(34,197,94,0.55);
}

.download-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.download-trust span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}

@media (max-width: 768px) {
  .download-card {
    padding: 40px 24px;
  }

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

  .download-trust {
    flex-direction: column;
    gap: 12px;
  }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand h3 span {
  color: var(--accent);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.85rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

/* ===== ADMIN SECTION ===== */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.admin-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.admin-card:hover {
  background: var(--dark-3);
  border-color: rgba(0,179,255,0.3);
  transform: translateY(-4px);
}

.admin-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.admin-card-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.45);
}

.admin-card-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
  line-height: 1.4;
}

.admin-copy {
  margin-top: 4px;
}

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

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  cursor: pointer;
}

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

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: scale(0.9);
  transition: var(--transition);
  cursor: default;
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

.lightbox-caption {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(0,0,0,0.5);
  padding: 8px 20px;
  border-radius: 50px;
  backdrop-filter: blur(10px);
  white-space: nowrap;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.scroll-top:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
}

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

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

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }
.fade-up-delay-5 { transition-delay: 0.5s; }
.fade-up-delay-6 { transition-delay: 0.6s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

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

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

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

  .hero-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .hero-image img {
    transform: none;
  }

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

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

  .gallery-item.wide {
    grid-column: span 2;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-float-card {
    display: none;
  }

  .hero-stats {
    gap: 24px;
  }

  .section {
    padding: 60px 0;
  }

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

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

  .gallery-item.wide {
    grid-column: span 1;
    aspect-ratio: 16/9;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

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