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

:root {
  --bg1: #0f172a;
  --bg2: #0b1220;
  --accent: #7c3aed;
  --accent-2: #06b6d4;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-hover: rgba(255, 255, 255, 0.1);
  --text-primary: #e6eef8;
  --text-secondary: #a7b6cf;
  --text-muted: #9fb0cc;
  --border-color: rgba(255, 255, 255, 0.1);
  --overlay: rgba(2, 6, 23, 0.55);
  --transition: all 0.3s ease;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--bg1), var(--bg2));
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  animation: slideDown 0.6s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.brand-name {
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

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

@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  animation: fadeIn 1s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  width: 100%;
  max-width: 800px;
}

.site-name {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fadeIn 0.8s ease 0.2s both;
}

.tagline {
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  animation: fadeIn 0.8s ease 0.4s both;
}

.description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
  animation: fadeIn 0.8s ease 0.6s both;
}

/* Countdown Section */
.countdown-section {
  padding: 3rem 0;
  text-align: center;
  animation: fadeIn 0.8s ease 0.8s both;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  font-weight: 700;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.time-box {
  background: var(--glass);
  border: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  animation: slideUp 0.6s ease backwards;
}

.time-box:nth-child(1) { animation-delay: 0.2s; }
.time-box:nth-child(2) { animation-delay: 0.3s; }
.time-box:nth-child(3) { animation-delay: 0.4s; }
.time-box:nth-child(4) { animation-delay: 0.5s; }

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.time-box:hover {
  background: var(--glass-hover);
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.2);
}

.time-box .num {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--accent-2);
}

.time-box .label {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Newsletter Section */
.newsletter {
  background: var(--glass);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  margin: 4rem 0;
  backdrop-filter: blur(10px);
  animation: fadeIn 1s ease 1s both;
}

.newsletter h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.newsletter > p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.email-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.email-input {
  flex: 1;
  min-width: 200px;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.email-input::placeholder {
  color: var(--text-muted);
}

.email-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(124, 58, 237, 0.1);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.notify {
  padding: 1rem 2.5rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  min-width: 150px;
}

.notify:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(124, 58, 237, 0.4);
}

.notify:active {
  transform: translateY(-1px);
}

.notification-message {
  margin-top: 1rem;
  font-weight: 600;
  min-height: 1.5rem;
}

.notification-message.success {
  color: #10b981;
}

.notification-message.error {
  color: #ef4444;
}

/* Features Section */
.features {
  padding: 4rem 0;
  animation: fadeIn 1s ease 1.2s both;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--glass);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  border-color: var(--accent);
  background: var(--glass-hover);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* About Section */
.about {
  padding: 3rem 0;
  text-align: center;
  animation: fadeIn 1s ease 1.4s both;
}

.about-text {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  color: var(--text-muted);
  animation: fadeIn 1s ease 1.6s both;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.social-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  .hero {
    min-height: 50vh;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .time-box {
    padding: 1.5rem 1rem;
  }

  .time-box .num {
    font-size: 2rem;
  }

  .email-form {
    flex-direction: column;
  }

  .email-input,
  .notify {
    width: 100%;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    flex-direction: row;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .navbar {
    position: relative;
  }

  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .countdown {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .time-box .num {
    font-size: 1.8rem;
  }

  .newsletter {
    padding: 2rem 1rem;
  }
}
  display: block;
}
.cta .notify {
  display: inline-block;
  padding: 10px 18px;
  background: linear-gradient(90deg, var(--accent), #06b6d4);
  color: white;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}
.footer {
  margin-top: 28px;
  color: #9fb0cc;
}

/* Responsive */
@media (max-width: 480px) {
  .brand .site-name {
    font-size: 44px;
  }
  .time-box {
    min-width: 80px;
    padding: 12px;
  }
  .time-box .num {
    font-size: 24px;
  }
}