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

:root {
  --primary: #000fa0;
  --primary-light: #1a2fd4;
  --primary-hover: #8c97ff;
  --accent: #0d7c5f;
  --dark: #0a0a1a;
  --dark-bg: #111127;
  --text: #222;
  --text-light: #666;
  --text-muted: #999;
  --white: #fff;
  --gray-bg: #f5f6fa;
  --border: #e2e4ea;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* ===== Header ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.85;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.footer-logo .logo-img {
  height: 40px;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.5px;
  text-shadow: none;
  transition: color var(--transition), text-shadow var(--transition);
}

.logo-tv {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  margin-left: 2px;
  background: linear-gradient(180deg, #ffffff 40%, #ccd0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#header.scrolled .logo-text {
  color: #111;
}

#header.scrolled .logo-tv {
  background: linear-gradient(180deg, var(--primary) 40%, #1a2fd4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo .logo-text {
  color: var(--white);
}

.footer-logo .logo-tv {
  background: linear-gradient(180deg, #ffffff 40%, #ccd0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-list {
  display: flex;
  gap: 36px;
}

.nav-list a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
}

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

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

#header.scrolled .nav-list a {
  color: var(--text);
}

#header.scrolled .nav-list a:hover {
  color: var(--primary);
}

.nav-btn-contact {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  transition: all var(--transition) !important;
}

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

.nav-btn-contact:hover {
  background: #095e48 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(13, 124, 95, 0.35);
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

#header.scrolled .mobile-menu-btn span {
  background: var(--dark);
}

/* ===== Hero Section ===== */
#hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(0, 8, 32, 0.85) 0%, rgba(0, 15, 160, 0.82) 40%, rgba(26, 10, 64, 0.88) 100%),
    url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80') center/cover no-repeat;
  overflow: hidden;
  padding: 100px 24px 60px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(140, 151, 255, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(140, 151, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.hero-sub {
  font-size: 1rem;
  font-weight: 500;
  color: var(--primary-hover);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 36px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(13, 124, 95, 0.9) 0%, rgba(9, 94, 72, 0.95) 100%);
  color: var(--white);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(13, 124, 95, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(13, 124, 95, 1) 0%, rgba(9, 94, 72, 1) 100%);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(13, 124, 95, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-subscribe {
  background: linear-gradient(135deg, rgba(13, 124, 95, 0.9) 0%, rgba(9, 94, 72, 0.95) 100%);
  color: var(--white);
  padding: 18px 40px;
  font-size: 1.1rem;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(13, 124, 95, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-subscribe:hover {
  background: linear-gradient(135deg, rgba(13, 124, 95, 1) 0%, rgba(9, 94, 72, 1) 100%);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(13, 124, 95, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-telegram {
  background: linear-gradient(135deg, rgba(0, 136, 204, 0.9) 0%, rgba(0, 109, 170, 0.95) 100%);
  color: var(--white);
  padding: 18px 40px;
  font-size: 1.1rem;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-telegram:hover {
  background: linear-gradient(135deg, rgba(0, 136, 204, 1) 0%, rgba(0, 109, 170, 1) 100%);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 136, 204, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Hero Decorations */
.hero-decorations {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-float {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  animation: heroFloat 8s ease-in-out infinite;
}

.hero-float-1 {
  width: 400px;
  height: 400px;
  background: var(--primary-hover);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.hero-float-2 {
  width: 250px;
  height: 250px;
  background: var(--accent);
  bottom: -50px;
  left: -50px;
  animation-delay: -3s;
}

.hero-float-3 {
  width: 180px;
  height: 180px;
  background: var(--white);
  top: 40%;
  right: 15%;
  animation-delay: -5s;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* Video Placeholders */
.video-placeholder {
  background: linear-gradient(135deg, #1a1a3a 0%, #0a0a2a 100%);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 2;
  transition: all var(--transition);
}

.video-placeholder-content svg {
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
  transition: transform var(--transition);
}

.video-placeholder:hover .video-placeholder-content svg {
  transform: scale(1.2);
}

.video-placeholder-content p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

/* Video Loading */
.videos-loading {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  color: var(--text-light);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Dynamic Video Card */
.video-card-dynamic {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}

.video-card-dynamic:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.video-card-dynamic .video-thumb {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #181818;
  overflow: hidden;
}

.video-card-dynamic .video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.video-card-dynamic:hover .video-thumb img {
  transform: scale(1.05);
}

.video-card-dynamic .video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(255, 0, 0, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.video-card-dynamic:hover .video-play-btn {
  opacity: 1;
}

.video-card-dynamic .video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
}

.video-card-dynamic .video-info {
  padding: 16px;
}

.video-card-dynamic .video-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.video-card-dynamic .video-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
}

/* Video iframe active state */
.video-card-dynamic .video-thumb iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

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

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

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.section-dark .section-tag {
  color: var(--primary-hover);
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 500px;
  margin: 0 auto;
}

/* ===== About Grid ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}

.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.about-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--gray-bg);
  border-radius: 50%;
  margin-bottom: 20px;
  color: var(--primary);
  transition: all var(--transition);
}

.about-card:hover .about-icon {
  background: var(--primary);
  color: var(--white);
}

.about-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Content Grid ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.content-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.content-card {
  display: block;
  background: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.05);
}

.content-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 15, 160, 0.15), 0 8px 16px rgba(0, 0, 0, 0.1);
}

.content-card-img {
  height: 0;
  padding-bottom: 56.25%;
  display: flex;
  align-items: flex-end;
  padding-top: 0;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  background-size: cover;
  background-position: center;
}

.content-card-number {
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.12);
  position: absolute;
  right: 20px;
  top: 12px;
  line-height: 1;
}

.content-card-body {
  padding: 24px;
  background: var(--gray-bg);
  border-top: 3px solid var(--primary);
}

.content-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.content-card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.7;
}

.content-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0, 15, 160, 0.08);
  padding: 4px 12px;
  border-radius: 50px;
}

/* ===== Stats Section ===== */
.section-stats {
  background: linear-gradient(135deg, #000fa0 0%, #1a0a40 100%);
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 20px;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
}

.stat-suffix {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 700;
  color: var(--primary-hover);
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
}

/* ===== Videos Grid ===== */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--dark);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.video-thumb {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #181818;
}

.video-thumb iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

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

/* ===== CTA Section ===== */
.section-cta-full {
  position: relative;
  padding: 120px 0;
  background:
    linear-gradient(135deg, rgba(0, 8, 32, 0.87) 0%, rgba(0, 16, 80, 0.85) 50%, rgba(0, 15, 160, 0.88) 100%),
    url('https://images.unsplash.com/photo-1480714378408-67cf0d13bc1b?w=1920&q=80') center/cover no-repeat;
  text-align: center;
  overflow: hidden;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(140, 151, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.35;
}

.cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.contact-card {
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--white);
  border-radius: 50%;
  margin-bottom: 20px;
  color: var(--primary);
}

.contact-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Footer ===== */
#footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  gap: 40px;
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  color: var(--white) !important;
  margin-bottom: 16px;
  display: inline-flex;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
}

.footer-links {
  display: flex;
  gap: 60px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

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

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-company-info {
  margin-bottom: 12px;
}

.footer-company-info p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.8;
}

.footer-bottom > p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-disclaimer {
  margin-top: 8px;
  font-size: 0.75rem !important;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 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: 991px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .videos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .content-grid,
  .content-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .mobile-menu-btn {
    display: flex;
  }

  #mainNav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  }

  #mainNav.active {
    display: block;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 20px;
  }

  .nav-list a {
    color: var(--text) !important;
    font-size: 1.1rem;
  }

  #hero {
    min-height: auto;
    padding: 140px 20px 80px;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

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

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

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    gap: 40px;
  }

  .section {
    padding: 70px 0;
  }

  .section-cta-full {
    padding: 80px 0;
  }
}