:root {
  --bg: #05080f;
  --accent: #4da3ff;
  --accent-glow: rgba(77, 163, 255, 0.15);
  --text-main: #ffffff;
  --text-dim: #94a3b8;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.bg-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 600px;
  background: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

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

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--text-main);
  text-decoration: none;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: block;
  object-fit: contain;
}

.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text-main);
}

.hero {
  text-align: center;
  padding: 60px 0 20px;
}

h1 {
  font-size: clamp(32px, 5vw, 80px);
  font-weight: 800;
  line-height: 1;
  margin: 0 0 24px;
  letter-spacing: -0.05em;
  background: linear-gradient(to bottom, #fff 50%, #64748b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p,
.content-card p,
.content-card li,
.step-card p,
.feature-card p,
.note {
  color: var(--text-dim);
}

.hero p {
  max-width: 550px;
  margin: 0 auto 40px;
  font-size: 19px;
}

.cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.btn-download,
.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
  min-width: 200px;
  text-align: left;
}

.btn-apple {
  background: #ffffff;
  color: #000000;
}

.btn-play {
  background: var(--glass);
  color: #ffffff;
  border: 1px solid var(--glass-border);
}

.btn-action {
  background: var(--text-main);
  color: var(--bg);
  font-weight: 800;
}

.video-link-card {
  margin: 24px 0 0;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 24px;
}

.video-link-card a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: var(--text-main);
}

.video-link-card strong {
  font-size: 18px;
}

.video-link-card span {
  color: var(--accent);
  font-weight: 600;
}

.btn-download:hover,
.btn-action:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.btn-text span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.8;
  margin-bottom: -2px;
}

.btn-text strong {
  display: block;
  font-size: 17px;
  font-weight: 600;
}

.carousel-wrapper {
  position: relative;
  margin: 60px 0;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.carousel {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding: 40px 24px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.carousel::-webkit-scrollbar {
  display: none;
}

.carousel::before,
.carousel::after {
  content: '';
  flex: 0 0 calc(50vw - 160px);
}

.carousel-item {
  flex: 0 0 280px;
  scroll-snap-align: center;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.carousel-item img {
  width: 100%;
  border-radius: 38px;
  border: 6px solid #1a1e26;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  background: #000;
}

.carousel-item:hover {
  transform: translateY(-15px) scale(1.02);
}

.how-it-works {
  padding: 80px 0;
  text-align: center;
}

.how-it-works h2,
.content-card h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 60px;
  background: linear-gradient(to bottom, #fff 60%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.content-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 48px;
  border-radius: 32px;
  margin: 40px 0 80px;
  backdrop-filter: blur(10px);
}

.step-grid,
.features {
  display: grid;
  gap: 32px;
}

.step-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card {
  padding: 40px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 32px;
}

.step-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: 32px;
  text-align: left;
  position: relative;
  transition: transform 0.3s ease;
}

.step-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.05);
}

.icon-box {
  width: 56px;
  height: 56px;
  background: rgba(77, 163, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
}

.step-number {
  position: absolute;
  top: 30px;
  right: 40px;
  font-size: 48px;
  font-weight: 900;
  color: #ffffff;
}

.meta {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 40px;
  display: block;
}

h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text-main);
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

p,
li {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 16px;
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 12px;
}

.contact-box,
.email-box {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--glass-border);
}

.email-box {
  margin: 32px 0;
  padding: 30px;
  border-radius: 20px;
  border: 1px dashed var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
}

.email-box code {
  font-size: 16px;
  color: var(--accent);
  font-family: monospace;
}

.btn-action {
  margin-top: 20px;
}

.pill {
  display: inline-block;
  background: rgba(77, 163, 255, 0.1);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 40px;
  display: block;
}

.note {
  font-size: 13px;
  color: #64748b;
  font-style: italic;
  margin-top: 32px;
  line-height: 1.4;
}

footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 14px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 24px;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Hamburger Menu */
nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
  z-index: 1001;
  position: relative;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: all 0.3s ease;
  display: block;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

nav ul {
  display: flex;
  flex-direction: row;
  list-style: none;
  gap: 0;
  padding: 0;
  margin: 0;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s;
  padding: 8px 12px;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--text-main);
}

/* Mobile menu overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
}

.nav-overlay.active {
  display: block;
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 768px) {
  h1 {
    font-size: 48px;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }

  header {
    position: relative;
    z-index: 1002;
  }

  .hamburger {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    background: var(--bg);
    border-left: 1px solid var(--glass-border);
    padding: 80px 24px 40px;
    margin: 0;
    transition: right 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
  }

  nav ul.active {
    right: 0;
  }

  nav ul li {
    padding: 16px 0;
    border-bottom: 1px solid var(--glass-border);
    margin: 0;
  }

  nav ul li:last-child {
    border-bottom: none;
  }

  nav ul li a {
    padding: 0;
    display: block;
    font-size: 16px;
  }


  footer {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-links a {
    margin: 0 10px;
  }

  .content-card {
    padding: 32px 20px;
  }
}

/* Carousel Navigation */
.carousel-controls {
  display: none;
  gap: 16px;
  justify-content: center;
  margin-top: 20px;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.carousel-btn:hover {
  background: rgba(77, 163, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.carousel-btn:active {
  transform: scale(0.95);
}

@media (min-width: 1024px) {
  .carousel-controls {
    display: flex;
  }
}
