:root {
  --primary: rgba(0, 117, 103, 1);
  --secondary: rgba(255, 123, 0, 1);
  --light-gray: rgba(212, 212, 212, 0.3);
  --bg: #0b0f17;
  --card: #121a28;
  --text: #e7ecf3;
  --muted: #aab3c2;
  --border: rgba(255, 255, 255, 0.12);
  --max: 1360px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
}

/* ================= NAVBAR ================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  backdrop-filter: blur(12px);
  background: white;
  border-bottom: 1px solid white;
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-inner .logo img {
  width: 120px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background-color: var(--light-gray);
  padding: 0.5rem 2.5rem;
  border-radius: 3rem;
}

.nav-links a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: 0.2s ease;
  position: relative;
  padding: 6px 2px;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
  border-radius: 99px;
}

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

.menu-btn {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--primary);
  cursor: pointer;
  font-size: 2rem;
}

.mobile-drawer {
  display: none;
  border-top: 1px solid var(--border);
  padding: 1rem 2rem;
}

.mobile-drawer a {
  display: block;
  padding: 12px 0;
  color: var(--primary);
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: 0.2s ease;
}
.mobile-drawer a:hover {
  color: var(--secondary);
}

/* ================= HERO ================= */
main {
  padding-top: 76px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1rem 0 1rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.hero .hero-image img {
  width: 100%;
}

/* ================= COUNTDOWN ================= */
.countdown-card img {
  width: 100%;
}

.timer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 18px 0;
}

.time-circle {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.progress-ring {
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--secondary);
  stroke-width: 3;
  opacity: 0.9;
}

.ring-progress {
  fill: none;
  stroke: var(--primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 327;
  transition: stroke-dashoffset 0.4s ease;
}

.time-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateY(2px);
}

.time-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.time-label {
  margin-top: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* responsive */
@media (max-width: 640px) {
  .timer {
    grid-template-columns: 1fr 1fr;
  }

  .time-circle {
    width: 110px;
    height: 110px;
  }
}

/* ================= JOIN US ================= */
.join-us {
  background: var(--light-gray);
  color: var(--secondary);
  padding: 1.25rem 6rem;
  margin-top: -5px;
}

.join-us p {
  font-size: 4rem;
  font-weight: bold;
  letter-spacing: -3.5px;
  max-width: var(--max);
  margin: 0 auto;
}

/* ================= FOOTER ================= */
footer {
  border-top: 1px solid var(--border);
  background: var(--primary);
  padding: 3rem 0;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.footer-title p {
  font-weight: 900;
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.social-links a {
  background: white;
  padding: 0.75rem 1rem;
  border-radius: 50%;
  font-weight: 800;
  color: var(--primary);
  transition: 0.2s ease;
}

.social-links a:hover {
  color: var(--text);
  transform: translateY(-2px);
  background: var(--secondary);
}

.footer-logo {
  margin-top: 4rem;
}

.footer-logo img {
  width: 300px;
}

.footer-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.footer-box {
  padding: 14px;
}

.footer-box h4 {
  margin-bottom: 10px;
  font-weight: 900;
  font-size: 2rem;
}

.footer-box a,
.footer-box span {
  display: block;
  color: var(--muted);
  padding: 6px 0;
  transition: 0.2s ease;
}

.footer-box a:hover {
  color: var(--secondary);
}

.copyright {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px 22px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  text-align: center;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-image {
    min-height: 320px;
  }
  .countdown-card {
    max-width: 680px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-right {
    grid-template-columns: 1fr 1fr;
  }

  .join-us {
    padding: 1.25rem 4rem;
  }

  .join-us p {
    font-size: 3rem;
    letter-spacing: 0;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .mobile-drawer {
    display: none;
  }
  .mobile-drawer.open {
    display: block;
  }

  /* stack timer boxes on mobile */
  .timer {
    grid-template-columns: 1fr 1fr;
  }

  .join-us {
    padding: 1.25rem 2rem;
  }

  .join-us p {
    font-size: 2rem;
    letter-spacing: 0;
    text-align: center;
  }

  .footer-inner {
    display: block;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

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

html {
  scroll-behavior: smooth;
}