:root {
  --black: #090b0b;
  --ink: #151514;
  --cream: #f3eadf;
  --cream-2: #e8ded1;
  --muted: #766f68;
  --orange: #d86435;
  --orange-soft: #f39a68;
  --green: #315c42;
  --green-soft: #9fb89f;
  --lilac: #a987d8;
  --line-dark: rgba(255,255,255,.13);
  --line-light: rgba(20,20,20,.13);
  --card-dark: rgba(255,255,255,.045);
  --card-light: rgba(255,255,255,.42);
  --shadow: 0 30px 80px rgba(0,0,0,.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--black);
  color: var(--cream);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, 90%); margin: 0 auto; }

header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(9, 11, 11, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-dark);
}
nav { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 18px; letter-spacing: .18em; text-transform: uppercase; font-size: .82rem; font-weight: 800; }
.mark { font-family: Georgia, serif; font-size: 2.2rem; color: var(--orange-soft); letter-spacing: 0; text-transform: none; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: .95rem; }
.nav-links a { color: rgba(243,234,223,.78); }
.nav-links a:hover { color: var(--cream); }
.subscribe { background: linear-gradient(135deg, var(--orange-soft), var(--orange)); color: white !important; padding: 14px 22px; border-radius: 10px; font-weight: 700; box-shadow: 0 16px 35px rgba(216,100,53,.28); }

.hero {
  position: relative; overflow: hidden; min-height: 680px; display: grid; align-items: center;
  border-bottom: 1px solid var(--line-dark);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 78% 38%, rgba(216,100,53,.22), transparent 35%),
              radial-gradient(circle at 62% 56%, rgba(169,135,216,.16), transparent 28%),
              radial-gradient(circle at 20% 20%, rgba(49,92,66,.16), transparent 30%);
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .85fr; gap: 48px; align-items: center; padding: 86px 0; }
.eyebrow { color: var(--orange-soft); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; margin-bottom: 20px; }
.eyebrow::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--orange); border-radius: 999px; margin-right: 10px; vertical-align: 1px; }
.eyebrow-orange { color: var(--orange-soft); }
.eyebrow-orange::before { background: var(--orange); }
.eyebrow-green { color: var(--green); }
.eyebrow-green::before { background: var(--green); }
.eyebrow-purple { color: var(--lilac); }
.eyebrow-purple::before { background: var(--lilac); }

h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.055em; }
h1 { font-size: clamp(3.4rem, 7vw, 6.2rem); line-height: .95; max-width: 780px; }
h2 { font-size: clamp(2.3rem, 5vw, 3.4rem); line-height: 1; }
.period { color: var(--orange); }
.hero-copy { margin-top: 24px; max-width: 620px; color: rgba(243,234,223,.78); font-size: 1.08rem; }
.actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 12px; padding: 15px 22px; border-radius: 10px; font-weight: 800; border: 1px solid rgba(243,234,223,.28); transition: .2s ease; }
.btn-primary { background: linear-gradient(135deg, var(--orange-soft), var(--orange)); color: white; border: 0; }
.btn:hover { transform: translateY(-2px); }

.orb { width: min(480px, 100%); aspect-ratio: 1; border-radius: 50%; position: relative; margin-left: auto; background: radial-gradient(circle at 70% 35%, rgba(216,100,53,.35), transparent 28%), radial-gradient(circle at 30% 70%, rgba(49,92,66,.24), transparent 24%), radial-gradient(circle at 55% 55%, rgba(169,135,216,.2), transparent 20%), rgba(255,255,255,.015); border: 1px solid rgba(255,255,255,.08); box-shadow: inset 0 0 90px rgba(255,255,255,.04); overflow: hidden; }
.orb::before, .orb::after { content: ""; position: absolute; inset: 10%; border-radius: 50%; border: 1px solid rgba(216,100,53,.28); transform: rotate(-18deg) scaleX(1.35); }
.orb::after { border-color: rgba(169,135,216,.35); transform: rotate(31deg) scaleX(1.45); }
.dots { position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(243,154,104,.85) 1px, transparent 1.5px); background-size: 24px 24px; mask-image: radial-gradient(circle, black 45%, transparent 72%); opacity: .55; }

.light-section { background: radial-gradient(circle at 15% 20%, rgba(255,255,255,.5), transparent 30%), linear-gradient(180deg, var(--cream), var(--cream-2)); color: var(--ink); padding: 76px 0; }
.dark-section { background: radial-gradient(circle at 70% 30%, rgba(216,100,53,.12), transparent 28%), linear-gradient(180deg, #0b0d0d, #080909); padding: 76px 0; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.section-head { display: grid; grid-template-columns: 1.1fr .7fr; gap: 40px; align-items: end; margin-bottom: 32px; }
.section-head p { color: var(--muted); max-width: 430px; }
.dark-section .section-head p { color: rgba(243,234,223,.68); }
.link-accent { display: inline-flex; gap: 10px; color: var(--orange); font-weight: 700; margin-top: 14px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { position: relative; min-height: 270px; border: 1px solid var(--line-light); border-radius: 14px; padding: 32px; background: var(--card-light); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; transition: .2s ease; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.dark-card { background: var(--card-dark); border-color: rgba(243,234,223,.18); }
.tag { display: inline-block; width: fit-content; padding: 4px 10px; border-radius: 999px; font-size: .65rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 30px; }
.tag-purple { background: rgba(169,135,216,.22); color: #7b54b9; border: 1px solid rgba(169,135,216,.32); }
.tag-green { background: rgba(49,92,66,.16); color: var(--green); border: 1px solid rgba(49,92,66,.24); }
.tag-orange { background: rgba(216,100,53,.14); color: var(--orange); border: 1px solid rgba(216,100,53,.25); }
.dark-card .tag-green { color: var(--green-soft); }
.dark-card h3, .dark-card p { color: var(--cream); }
.card h3 { font-size: 1.45rem; line-height: 1.05; margin-bottom: 14px; }
.card p { color: #4f4944; font-size: .96rem; }
.dark-card p { color: rgba(243,234,223,.74); }
.meta { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; color: #6d665f; font-size: .9rem; }
.dark-card .meta { color: rgba(243,234,223,.68); }
.arrow { font-size: 1.45rem; }

.lab-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.panel { border-radius: 18px; border: 1px solid var(--line-light); background: rgba(255,255,255,.35); padding: 34px; }
.dark-panel { border-color: var(--line-dark); background: rgba(255,255,255,.04); }
.signal-list { display: grid; gap: 14px; margin-top: 20px; }
.signal { display: flex; justify-content: space-between; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line-light); }
.dark-panel .signal { border-color: var(--line-dark); }
.signal span:first-child { font-weight: 800; }
.signal span:last-child { color: var(--muted); }
.dark-panel .signal span:last-child { color: rgba(243,234,223,.64); }

.about-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-contact h2 { font-size: 2rem; line-height: 1.02; margin-bottom: 14px; }
.about-contact p { color: #514a43; margin-bottom: 14px; }
.contact-panel { border-left: 1px solid var(--line-light); padding-left: 48px; }
.contact-row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line-light); color: var(--ink); }

.page-hero { background: var(--black); color: var(--cream); padding: 96px 0 72px; border-bottom: 1px solid var(--line-dark); }
.page-hero p { max-width: 640px; color: rgba(243,234,223,.74); margin-top: 22px; font-size: 1.1rem; }
.library { background: var(--cream); color: var(--ink); padding: 76px 0; }
.library-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.library-card { border: 1px solid var(--line-light); background: rgba(255,255,255,.38); border-radius: 18px; padding: 30px; min-height: 240px; transition: .2s ease; }
.library-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.library-card h3 { font-size: 1.7rem; margin-bottom: 12px; }
.library-card p { color: #4f4944; margin-bottom: 24px; }

.article-page { background: var(--cream); color: var(--ink); min-height: 100vh; padding: 90px 0; }
.article-container { max-width: 760px; }
.back-link { display: inline-block; margin-bottom: 36px; color: var(--green); font-weight: 700; }
.article-page h1 { font-size: clamp(3rem, 7vw, 5.2rem); line-height: .95; margin-bottom: 22px; }
.article-meta { color: var(--muted); margin-bottom: 36px; }
.article-lead { font-size: 1.35rem; line-height: 1.55; color: #4f4944; margin-bottom: 42px; }
.article-page hr { border: 0; border-top: 1px solid var(--line-light); margin: 42px 0; }
.article-page h2 { font-family: Georgia, "Times New Roman", serif; font-size: 2rem; letter-spacing: -.04em; margin: 42px 0 14px; }
.article-page p { font-size: 1.05rem; color: #4f4944; margin-bottom: 20px; }

footer { background: var(--black); border-top: 1px solid var(--line-dark); padding: 30px 0; color: rgba(243,234,223,.68); font-size: .88rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 30px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-grid, .section-head, .cards, .about-contact, .lab-grid, .library-grid { grid-template-columns: 1fr; }
  .orb { margin: 0; }
  .contact-panel { border-left: 0; padding-left: 0; }
  .footer-inner { flex-direction: column; gap: 18px; }
}