/* ================================================================
   Noemeos — Landing Page Styles
   ================================================================ */

/* ── Variables: Dark Mode (default) ── */
:root {
  --bg: #080808;
  --bg-alt: #0e0e0e;
  --panel: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.12);
  --border-soft: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.97);
  --text-body: rgba(255,255,255,0.85);
  --text-muted: rgba(255,255,255,0.52);
  --input-bg: rgba(255,255,255,0.06);
  --input-border: rgba(255,255,255,0.15);
  --input-focus: rgba(255,255,255,0.3);
  --btn-bg: rgba(255,255,255,0.95);
  --btn-text: #080808;
  --max: 1200px;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono: 'DM Mono', monospace;
}

/* ── Variables: Light Mode ── */
.light {
  --bg: #f5f4f1;
  --bg-alt: #eae8e4;
  --panel: rgba(0,0,0,0.03);
  --border: rgba(0,0,0,0.12);
  --border-soft: rgba(0,0,0,0.07);
  --text: rgba(0,0,0,0.95);
  --text-body: rgba(0,0,0,0.82);
  --text-muted: rgba(0,0,0,0.50);
  --input-bg: rgba(0,0,0,0.04);
  --input-border: rgba(0,0,0,0.15);
  --input-focus: rgba(0,0,0,0.35);
  --btn-bg: rgba(0,0,0,0.9);
  --btn-text: #f5f4f1;
}

/* ── Reset ── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background 0.4s, color 0.4s;
}

/* ── Background ── */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(255,255,255,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(255,255,255,0.025) 0%, transparent 50%);
  transition: opacity 0.4s;
}

.light .bg-layer { opacity: 0; }

/* ── Layout ── */
.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

/* ================================================================
   Navigation
   ================================================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s, background 0.4s;
}

nav.scrolled {
  background: rgba(8,8,8,0.92);
  border-color: var(--border);
  backdrop-filter: blur(20px);
}

.light nav.scrolled {
  background: rgba(245,244,241,0.92);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  transition: color 0.2s, border-color 0.2s;
}

.theme-toggle:hover { color: var(--text); border-color: var(--text-muted); }

/* ── Hamburger (mobile) ── */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.hamburger:hover { color: var(--text); }

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 24px;
  right: 24px;
  margin-top: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  backdrop-filter: blur(20px);
  padding: 20px 24px;
  flex-direction: column;
  gap: 14px;
  z-index: 50;
}

.mobile-menu a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 0;
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--text); }
.mobile-menu.open { display: flex; }

/* ================================================================
   Hero
   ================================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 96px;
  padding-top: 120px;
}

.hero-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp 1s ease 0.2s forwards;
}

.hero-headline {
  font-size: clamp(3rem, 8vw, 7.5rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.02em;
  max-width: 900px;
  opacity: 0;
  animation: fadeUp 1s ease 0.4s forwards;
}

.hero-headline em {
  font-style: italic;
  color: var(--text-body);
}

.hero-sub {
  margin-top: 48px;
  display: grid;
  gap: 6px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text-body);
  opacity: 0;
  animation: fadeUp 1s ease 0.6s forwards;
}

.hero-statement {
  margin-top: 48px;
  max-width: 600px;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-body);
  opacity: 0;
  animation: fadeUp 1s ease 0.8s forwards;
}

.hero-divider {
  margin-top: 80px;
  display: flex;
  align-items: center;
  gap: 24px;
  opacity: 0;
  animation: fadeUp 1s ease 1s forwards;
}

.hero-divider .line {
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--border);
}

.hero-divider span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ================================================================
   Shared Section Elements
   ================================================================ */
.section-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 80px;
}

.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--text-muted);
}

.section-rule {
  width: 48px;
  height: 1px;
  background: var(--border);
}

.section-label-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-headline {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-headline em {
  font-style: italic;
  color: var(--text-body);
}

/* ================================================================
   01 — The Principle
   ================================================================ */
.principle {
  padding: 160px 0;
  border-top: 1px solid var(--border);
}

.principle-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}

.principle-body { padding-top: 8px; }

.principle-body p {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 400;
  line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 28px;
}

.principle-body p:last-child { margin-bottom: 0; }
.principle-body strong { color: var(--text); font-weight: 400; }

/* ── Hierarchy Table ── */
.hierarchy {
  margin-top: 48px;
  padding: 32px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.hierarchy-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hierarchy-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
}

.hierarchy-row:last-child { border-bottom: none; }

.hierarchy-arrow {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  width: 20px;
  flex-shrink: 0;
}

.hierarchy-name {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  flex: 1;
}

.hierarchy-desc {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-align: right;
}

/* ================================================================
   02 — Where It Applies
   ================================================================ */
.domains {
  padding: 160px 0;
  border-top: 1px solid var(--border);
}

.domains-intro {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 80px;
}

.domains-intro em { font-style: italic; color: var(--text-body); }

.domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
}

.domain-card {
  background: var(--bg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.domain-card:hover { background: var(--panel); }

.domain-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.domain-name {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.domain-signals { display: grid; gap: 10px; margin-bottom: 32px; }

.domain-signal {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-body);
  letter-spacing: 0.05em;
  padding: 10px 14px;
  border: 1px solid var(--border-soft);
  background: var(--panel);
}

.domain-copy {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-body);
}

/* ================================================================
   03 — Contact
   ================================================================ */
.contact {
  padding: 160px 0;
  border-top: 1px solid var(--border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}

.contact-body p {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  font-weight: 400;
  line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 24px;
}

.contact-form {
  display: grid;
  gap: 20px;
}

.form-group { display: grid; gap: 8px; }

.form-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-input,
.form-textarea {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text);
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 300;
  padding: 14px 16px;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--input-focus);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 32px;
  cursor: pointer;
  transition: opacity 0.2s;
  justify-self: start;
}

.form-submit:hover { opacity: 0.85; }

.form-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ================================================================
   04 — Foundation
   ================================================================ */
.foundation {
  padding: 160px 0;
  border-top: 1px solid var(--border);
}

.foundation-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
}

.foundation-body p {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  font-weight: 400;
  line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 24px;
}

.foundation-body p:last-child { margin-bottom: 0; }

/* ── Quote ── */
.quote-block {
  margin-top: 160px;
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.quote-text {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 900px;
  color: var(--text);
}

.quote-attr {
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ================================================================
   Footer
   ================================================================ */
footer {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-patent {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* ================================================================
   Animations
   ================================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 900px) {
  .principle-layout,
  .contact-layout,
  .foundation-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .domains-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .hero { padding-bottom: 64px; padding-top: 100px; }
  .hero-statement { margin-top: 32px; }
  .hero-divider { margin-top: 48px; }
  .principle, .domains, .contact, .foundation { padding: 96px 0; }
  .section-meta { margin-bottom: 48px; }
  .domain-card { padding: 32px 24px; }
  .quote-block { margin-top: 96px; padding: 48px 0; }
}