@import url('../fonts/inter.css');

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

html, body {
  height: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: #fff;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ── Video background ── */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

.bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
  z-index: -1;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.bg-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.52);
  z-index: 0;
}

/* ── Layout ── */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding: 2rem;
  text-align: center;
}

/* ── Hero text ── */
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}

.hero .subtitle {
  margin-top: 0.75rem;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.78);
  text-transform: uppercase;
}

/* ── Icon links row ── */
.links {
  display: flex;
  gap: 1.75rem;
  justify-content: center;
  margin-top: 3rem;
  list-style: none;
}

.links li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-decoration: none;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.link-icon:hover,
.link-icon:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-4px);
  outline: none;
}

.link-icon svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.link-label {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
}

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  padding: 1.25rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.04em;
}

/* ── Responsive: narrow portrait ── */
@media (max-width: 480px) {
  .links {
    gap: 1.25rem;
  }
  .link-icon {
    width: 54px;
    height: 54px;
  }
  .link-icon svg {
    width: 24px;
    height: 24px;
  }
}

/* ── Responsive: landscape on phones (short viewport) ── */
@media (max-height: 500px) and (orientation: landscape) {
  main {
    padding: 1rem 2rem;
  }
  .hero h1 {
    font-size: clamp(1.6rem, 5vh, 2.8rem);
  }
  .hero .subtitle {
    margin-top: 0.4rem;
    font-size: clamp(0.75rem, 2vh, 1rem);
  }
  .links {
    margin-top: 1.25rem;
    gap: 1.25rem;
  }
  .link-icon {
    width: 48px;
    height: 48px;
  }
  .link-icon svg {
    width: 22px;
    height: 22px;
  }
  footer {
    padding: 0.6rem;
  }
}

/* ── Responsive: very short landscape (e.g. iPhone SE) ── */
@media (max-height: 380px) and (orientation: landscape) {
  .hero h1 {
    font-size: clamp(1.4rem, 4.5vh, 2rem);
  }
  .links {
    margin-top: 0.9rem;
  }
  .link-label {
    display: none;
  }
}