/* astroglade.com — marketing site (OG art + AstroGlade brand) */

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

:root {
  --bg-deep: #030406;
  --bg: #06080c;
  --bg-card: #0c1018;
  --text: #e8eaef;
  --muted: #8b95a8;
  --accent: #e07070;
  --accent-dim: rgba(224, 112, 112, 0.35);
  --accent-glow: rgba(224, 112, 112, 0.22);
  --border: rgba(255, 255, 255, 0.09);
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --font-display: "IBM Plex Serif", Georgia, serif;
  --radius: 16px;
  --radius-lg: 22px;
  --max: 72rem;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
}

/* Subtle starfield + vignette */
.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 80% at 50% -30%, rgba(30, 42, 62, 0.9) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 50%, rgba(224, 112, 112, 0.06) 0%, transparent 45%),
    radial-gradient(ellipse 70% 50% at 0% 80%, rgba(80, 120, 180, 0.05) 0%, transparent 40%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 45%, #0a0d14 100%);
}

.sky::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(1.5px 1.5px at 10% 20%, rgba(255, 255, 255, 0.35) 50%, transparent 50%),
    radial-gradient(1px 1px at 25% 65%, rgba(255, 255, 255, 0.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 72% 30%, rgba(255, 255, 255, 0.25) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 88% 70%, rgba(255, 255, 255, 0.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 45% 12%, rgba(255, 255, 255, 0.15) 50%, transparent 50%),
    radial-gradient(1px 1px at 60% 88%, rgba(255, 255, 255, 0.18) 50%, transparent 50%);
  opacity: 0.65;
}

a {
  color: color-mix(in srgb, var(--accent) 88%, #fff);
}

a:hover {
  color: #f0a0a0;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
  backdrop-filter: blur(12px);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.nav__brand:hover {
  color: var(--text);
  text-decoration: none;
}

.nav__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav__cta {
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.5rem 1.15rem;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(165deg, rgba(224, 112, 112, 0.22) 0%, rgba(224, 112, 112, 0.1) 100%);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  color: var(--text);
  box-shadow: 0 0 0 1px rgba(224, 112, 112, 0.12), 0 8px 28px rgba(0, 0, 0, 0.35);
}

.btn--primary:hover {
  background: linear-gradient(165deg, rgba(224, 112, 112, 0.32) 0%, rgba(224, 112, 112, 0.16) 100%);
  text-decoration: none;
  box-shadow: 0 0 24px var(--accent-glow), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.btn--lg {
  min-height: 52px;
  padding: 0.6rem 1.35rem;
  font-size: 1.02rem;
}

.btn--xl {
  min-height: 56px;
  padding: 0.65rem 1.5rem;
  font-size: 1.05rem;
}

/* Hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.hero__art {
  position: relative;
  margin-bottom: 2.25rem;
}

.hero__glow {
  position: absolute;
  inset: -8%;
  background: radial-gradient(ellipse 55% 45% at 50% 45%, var(--accent-glow) 0%, transparent 70%);
  filter: blur(28px);
  opacity: 0.85;
  pointer-events: none;
}

.hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 24px 64px rgba(0, 0, 0, 0.55),
    0 0 80px rgba(224, 112, 112, 0.08);
  animation: hero-float 8s ease-in-out infinite;
}

@keyframes hero-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.hero__og {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.hero__content {
  max-width: 40rem;
}

.hero__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 2.85rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero__lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.65;
}

.hero__lead strong {
  color: color-mix(in srgb, var(--text) 92%, var(--muted));
  font-weight: 600;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 960px) {
  .hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 3rem;
    align-items: center;
    padding-top: 2.5rem;
    padding-bottom: 3.5rem;
  }

  .hero__art {
    margin-bottom: 0;
    order: 2;
  }

  .hero__content {
    order: 1;
  }
}

/* Accent strip */
.strip {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.strip--accent .strip__inner {
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), var(--accent), var(--accent-dim), transparent);
  opacity: 0.85;
}

/* Features */
.features {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3.5rem;
}

.section-head {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 2.25rem;
}

.section-head__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-head__sub {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.15rem;
  }
}

.feature-card {
  position: relative;
  z-index: 0;
  padding: 1.35rem 1.2rem;
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid var(--border);
  transition:
    transform 0.32s cubic-bezier(0.34, 1.45, 0.64, 1),
    box-shadow 0.32s ease,
    border-color 0.28s ease;
  transform: translateY(0) scale(1);
}

.feature-card:hover {
  z-index: 2;
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-12px) scale(1.03);
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.15),
    0 18px 42px rgba(0, 0, 0, 0.38),
    0 0 0 1px rgba(224, 112, 112, 0.2),
    0 0 32px rgba(224, 112, 112, 0.35),
    0 0 72px rgba(224, 112, 112, 0.22),
    0 0 120px rgba(224, 112, 112, 0.1);
}

.feature-card__icon {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 0.65rem;
  filter: grayscale(0.2);
}

.feature-card__title {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature-card__text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.55;
}

/* CTA band */
.cta {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.cta__inner {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 80% 120% at 50% 100%, rgba(224, 112, 112, 0.12) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-card) 0%, #080a10 100%);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.cta__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.75rem);
  font-weight: 700;
}

.cta__text {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.foot__line {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.foot__sep {
  margin: 0 0.5rem;
  opacity: 0.5;
}

.foot a {
  color: var(--muted);
  text-decoration: none;
}

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

@media (prefers-reduced-motion: reduce) {
  .hero__figure {
    animation: none;
  }

  .feature-card {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .feature-card:hover {
    transform: none;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28), 0 0 40px rgba(224, 112, 112, 0.2);
  }
}