/* ── Reset & base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ivory:   #F2EEE3;
  --paper:   #EBE5D6;
  --ink:     #0A0A0A;
  --ink70:   rgba(10, 10, 10, 0.7);
  --ink40:   rgba(10, 10, 10, 0.4);
  --ink15:   rgba(10, 10, 10, 0.15);
  --ink08:   rgba(10, 10, 10, 0.08);
  --red:     #9E2A2B;
  --blue:    #1F3FB8;
  --gold:    #C8932B;
  --font-display: "Archivo Black", "Archivo", sans-serif;
  --font-sans:    "Archivo", system-ui, sans-serif;
  --font-body:    "Inter Tight", system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 2rem;
}

/* ── Header ───────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ivory);
  border-bottom: 1.5px solid var(--ink15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 4px;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
}

.btn:hover { text-decoration: none; opacity: 0.88; }

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--ink15);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--paper); }

.btn-primary {
  background: var(--red);
  color: var(--ivory);
  border: none;
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--ink15);
  color: var(--ink);
}
.btn-secondary:hover { background: var(--paper); }

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  padding-block: 5rem 4rem;
  border-bottom: 1.5px solid var(--ink15);
}

.hero-inner { max-width: 900px; }

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--ink70);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* ── Download grid ────────────────────────────────────────────── */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.platform-card {
  background: var(--paper);
  border: 1.5px solid var(--ink15);
  border-radius: 6px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.platform-icon {
  width: 36px;
  height: 36px;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.platform-icon svg { width: 100%; height: 100%; }

.platform-name {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.platform-sub {
  font-size: 0.8125rem;
  color: var(--ink40);
  margin-bottom: 0.75rem;
}

.platform-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
}

.platform-actions .btn { text-align: center; }

.releases-link {
  margin-top: 1.75rem;
  font-size: 0.875rem;
  color: var(--ink40);
}

.releases-link a {
  color: var(--blue);
  text-decoration: underline;
}

/* ── Section rule ─────────────────────────────────────────────── */
.section-rule {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 0;
  padding-inline: 2rem;
  max-width: 1100px;
  margin-inline: auto;
  margin-block: 0;
}

.section-rule::before,
.section-rule::after {
  content: "";
  flex: 1;
  height: 1.5px;
  background: var(--ink15);
}

.section-rule span {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink40);
  white-space: nowrap;
  padding-block: 2rem;
}

/* ── Features ─────────────────────────────────────────────────── */
.features {
  padding-block: 1rem 5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0;
  border-top: 1.5px solid var(--ink15);
  border-left: 1.5px solid var(--ink15);
}

.feature-card {
  padding: 2rem;
  border-right: 1.5px solid var(--ink15);
  border-bottom: 1.5px solid var(--ink15);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--red);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--ink70);
  line-height: 1.55;
}

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  border-top: 1.5px solid var(--ink15);
  padding-block: 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--ink40);
}

.footer-copy a { color: var(--blue); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero { padding-block: 3rem 2.5rem; }
  .hero-sub { font-size: 1rem; }
  .download-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}