@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: #000;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Header ---- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: #000;
}

.header__logo svg {
  display: block;
  width: 80px;
  height: auto;
}

.header__close {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.header__close:hover {
  opacity: 1;
}

/* ---- Hero ---- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 60vh;
  padding: 80px 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__heading {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero__text {
  max-width: 560px;
  font-size: 1rem;
  line-height: 1.7;
  opacity: 0.7;
}

.hero__date {
  margin-top: 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.5;
}

/* ---- Index page links ---- */

.index-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 40px;
}

.index-links a {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.7;
  transition: opacity 0.2s;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.index-links a:hover {
  opacity: 1;
}

/* ---- Sections ---- */

.section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 80px 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section__left {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section__right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---- Typography ---- */

.heading-lg {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.heading-md {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.heading-sm {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
}

.heading-xs {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.5;
}

.paragraph {
  font-size: 0.9375rem;
  line-height: 1.75;
  opacity: 0.7;
}

.spacer {
  height: 20px;
}

/* ---- Footer ---- */

.footer {
  padding: 60px 40px;
  text-align: center;
  font-size: 0.8125rem;
  opacity: 0.4;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .header {
    padding: 16px 20px;
  }

  .hero {
    min-height: 50vh;
    padding: 60px 20px;
  }

  .hero__heading {
    font-size: 2rem;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 48px 20px;
  }

  .heading-lg {
    font-size: 2rem;
  }

  .heading-md {
    font-size: 1.375rem;
  }

  .footer {
    padding: 40px 20px;
  }
}