:root {
  --bg: #050505;
  --accent: #ff6600;
  --accent-light: #ff8833;
  --accent-glow: rgba(255, 102, 0, 0.35);
  --text: #ffffff;
  --text-muted: #c0c0c0;
  --card-bg: rgba(18, 18, 24, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(12px);
  --transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  --shadow-sm: 0 8px 20px -6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 15px 30px -10px rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  scroll-behavior: smooth;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 32px;
  background: transparent;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: var(--glass-blur);
  padding: 12px 32px;
  border-bottom: 1px solid var(--card-border);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  background: rgba(18, 18, 24, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 60px;
  padding: 6px;
  margin: 0 auto;
  width: fit-content;
}

.nav a {
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text);
  transition: var(--transition);
  padding: 8px 28px;
  border-radius: 40px;
  position: relative;
  background: transparent;
}

.nav a:hover {
  color: var(--accent);
  background: rgba(255, 102, 0, 0.1);
}

.nav a.active {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 12px var(--accent-glow);
}

.nav a.active:hover {
  background: var(--accent-light);
  color: #000;
}

main {
  padding-top: 80px;
}

.section-1 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 60px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.section-image {
  max-width: 85%;
  width: auto;
  margin: 0 auto;
  border-radius: 28px;
  overflow: hidden;
  background: #0a0a0a;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.section-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.section-image:hover {
  transform: scale(1.01);
  box-shadow: var(--shadow-md);
}

.section-image:hover img {
  transform: scale(1.02);
}

.section-text p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-muted);
  column-count: 2;
  column-gap: 40px;
  column-rule: 1px solid rgba(255, 255, 255, 0.08);
  text-align: justify;
}

.section-2,
.section-3 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 70px;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.block {
  display: flex;
  align-items: center;
  gap: 48px;
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: 36px;
  padding: 32px;
  border: 1px solid var(--card-border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.block:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  background: rgba(22, 22, 30, 0.85);
}

.block.reverse {
  flex-direction: row-reverse;
}

.block-image {
  flex: 1.1;
  min-width: 200px;
  border-radius: 28px;
  overflow: hidden;
  background: #000;
  transition: var(--transition);
}

.block-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.block-image:hover {
  transform: scale(1.01);
}

.block-image:hover img {
  transform: scale(1.02);
}

.block-text {
  flex: 1;
  padding: 0 16px;
}

.block-text p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
}

.single-photo {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: 36px;
  padding: 20px;
  border: 1px solid var(--card-border);
  transition: var(--transition);
  margin-top: 20px;
}

.single-photo:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.single-photo-image {
  border-radius: 28px;
  overflow: hidden;
}

.single-photo-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.single-photo-image:hover img {
  transform: scale(1.01);
}

.section-4 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 70px;
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.video-single {
  max-width: 650px;
  margin: 0 auto;
  width: 100%;
}

.video-wrapper {
  position: relative;
  cursor: pointer;
  background: #0a0a0a;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  padding-bottom: 56.25%;
  height: 0;
}

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

.video-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: filter 0.3s ease;
}

.video-wrapper:hover .video-preview {
  filter: brightness(0.9);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70px;
  height: 70px;
  background: rgba(255, 102, 0, 0.85);
  border-radius: 50%;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
  box-shadow: 0 0 20px rgba(255, 102, 0, 0.5);
}

.play-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 22px;
  border-color: transparent transparent transparent white;
}

.video-wrapper:hover .play-button {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(255, 102, 0, 1);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  z-index: 2;
}

.video-wrapper.loaded .video-preview {
  display: none;
}

.icon-row {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.icon-item {
  width: 80px;
  height: 80px;
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid var(--card-border);
  text-decoration: none;
}

.icon-item:hover {
  transform: translateY(-6px) scale(1.05);
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

.icon-item img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.icon-item:hover img {
  transform: scale(1.05);
}

.icon-item img[alt="Medium"],
.icon-item img[alt="Twitter"] {
  filter: brightness(0) invert(1);
}

.icon-item:hover img[alt="Medium"],
.icon-item:hover img[alt="Twitter"] {
  filter: brightness(0) invert(0.8);
}

.section-5 {
  padding: 80px 32px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(255,102,0,0.08), #050505);
  border-top: 1px solid var(--card-border);
}

.section-5 .cta-inner {
  max-width: 800px;
  margin: 0 auto;
}

.section-5 h2 {
  font-size: 44px;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff, var(--accent-light));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}

.section-5 p {
  font-size: 17px;
  color: var(--text-muted);
}

.section-5 a {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 40px;
  border-radius: 50px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  color: #000;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 6px 14px var(--accent-glow);
}

.section-5 a:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px var(--accent-glow);
}

@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

.section-1,
.section-2 .block,
.section-3 .block,
.section-3 .single-photo,
.section-4,
.section-5 {
  animation: fadeUp 0.6s ease forwards;
  opacity: 0;
}

.section-1 { animation-delay: 0.05s; }
.section-2 .block:first-child { animation-delay: 0.1s; }
.section-2 .block:last-child { animation-delay: 0.2s; }
.section-3 .block:first-child { animation-delay: 0.1s; }
.section-3 .block:last-child { animation-delay: 0.2s; }
.section-3 .single-photo { animation-delay: 0.25s; }
.section-4 { animation-delay: 0.2s; }
.section-5 { animation-delay: 0.1s; }

@media (max-width: 1100px) {
  .block {
    gap: 36px;
    padding: 28px;
  }
  .block-image {
    min-width: 180px;
  }
  .section-image {
    max-width: 90%;
  }
}

@media (max-width: 900px) {
  .header {
    padding: 16px 24px;
  }
  .header.scrolled {
    padding: 10px 24px;
  }
  .nav {
    gap: 6px;
    padding: 5px;
  }
  .nav a {
    padding: 6px 20px;
    font-size: 14px;
  }
  main {
    padding-top: 72px;
  }
  .section-1 {
    padding: 0 24px 50px;
    gap: 24px;
  }
  .section-image {
    max-width: 100%;
  }
  .section-text p {
    font-size: 16px;
    column-count: 1;
    column-rule: none;
    text-align: left;
  }
  .section-2, .section-3 {
    padding: 0 24px 60px;
    gap: 50px;
  }
  .block {
    flex-direction: column;
    padding: 24px;
    gap: 28px;
    text-align: center;
  }
  .block.reverse {
    flex-direction: column;
  }
  .block-image {
    width: 100%;
    min-width: auto;
  }
  .block-text {
    padding: 0;
  }
  .block-text p {
    font-size: 16px;
  }
  .single-photo {
    padding: 16px;
  }
  .section-4 {
    padding: 0 24px 60px;
    gap: 40px;
  }
  .video-grid {
    gap: 20px;
  }
  .icon-row {
    gap: 28px;
  }
  .icon-item {
    width: 70px;
    height: 70px;
  }
  .icon-item img {
    width: 38px;
    height: 38px;
  }
  .section-5 {
    padding: 70px 24px;
  }
  .section-5 h2 {
    font-size: 36px;
  }
  .section-5 p {
    font-size: 16px;
  }
  .section-5 a {
    padding: 12px 32px;
  }
  .play-button {
    width: 55px;
    height: 55px;
  }
  .play-button::after {
    border-width: 10px 0 10px 16px;
  }
}

@media (max-width: 600px) {
  .section-1 {
    gap: 20px;
    padding-bottom: 40px;
  }
  .section-text p {
    font-size: 15px;
  }
  .block {
    padding: 20px;
    gap: 20px;
  }
  .block-text p {
    font-size: 15px;
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
  .icon-item {
    width: 60px;
    height: 60px;
  }
  .icon-item img {
    width: 32px;
    height: 32px;
  }
  .section-5 h2 {
    font-size: 30px;
  }
}

@media (max-width: 480px) {
  .nav {
    gap: 4px;
    padding: 4px;
  }
  .nav a {
    padding: 4px 14px;
    font-size: 12px;
  }
  .section-image {
    max-width: 100%;
  }
  .icon-row {
    gap: 20px;
  }
  .icon-item {
    width: 52px;
    height: 52px;
  }
  .icon-item img {
    width: 28px;
    height: 28px;
  }
  .section-5 a {
    padding: 10px 28px;
    font-size: 14px;
  }
  .play-button {
    width: 45px;
    height: 45px;
  }
  .play-button::after {
    border-width: 8px 0 8px 14px;
  }
}