:root {
  --bg: #0a0a0a;
  --bg-2: #111111;
  --bg-3: #181818;
  --fg: #f0ebe3;
  --fg-2: #9e9588;
  --gold: #d4af37;
  --gold-dim: #a8892c;
  --teal: #2dd4bf;
  --teal-dim: #1a9e8c;
  --white: #ffffff;
  --border: rgba(212, 175, 55, 0.15);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 80px 24px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #d4af37 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #2dd4bf 0%, transparent 70%);
  bottom: -100px;
  right: 10%;
  opacity: 0.2;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 860px;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 2px;
  margin-bottom: 40px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(72px, 15vw, 160px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

.hero-title-main {
  display: block;
  color: var(--fg);
}

.hero-title-accent {
  display: block;
  color: var(--gold);
  font-style: italic;
}

.hero-sub {
  font-size: clamp(17px, 2.5vw, 21px);
  color: var(--fg-2);
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.desktop-break { display: none; }
@media (min-width: 640px) { .desktop-break { display: inline; } }

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 13px;
  color: var(--fg-2);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.hero-meta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
  flex-shrink: 0;
}

.hero-meta-sep {
  width: 1px;
  height: 14px;
  background: var(--fg-2);
  opacity: 0.3;
}

/* ===== QUADRANTS ===== */
.quadrants {
  padding: 120px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.quadrant-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 80px;
}

.quadrant-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.quadrant-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.quadrant-desc {
  color: var(--fg-2);
  font-size: 17px;
  line-height: 1.7;
}

.quadrant-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .quadrant-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .quadrant-grid { grid-template-columns: repeat(4, 1fr); }
}

.quadrant-card {
  background: var(--bg-3);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.quadrant-card:hover { transform: translateY(-4px); }

.quadrant-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.quadrant-card-1::before { background: #8B6914; }
.quadrant-card-2::before { background: var(--gold); }
.quadrant-card-3::before { background: var(--teal-dim); }
.quadrant-card-4::before { background: var(--teal); }

.quadrant-number {
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  opacity: 0.08;
  position: absolute;
  top: 16px;
  right: 24px;
}

.quadrant-days {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 16px;
}

.quadrant-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.25;
}

.quadrant-focus {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
  margin-bottom: 24px;
}

.quadrant-freq {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
}

/* ===== FREQUENCIES ===== */
.frequencies {
  padding: 120px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.frequencies-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: center;
}

@media (min-width: 900px) {
  .frequencies-inner { grid-template-columns: 1fr 1fr; }
}

.frequencies-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.frequencies-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.frequencies-body {
  color: var(--fg-2);
  font-size: 16px;
  line-height: 1.75;
}

.frequencies-visual {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.freq-bar {
  display: grid;
  grid-template-columns: 64px 1fr 52px;
  align-items: center;
  gap: 12px;
}

.freq-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
  text-align: right;
}

.freq-bar-inner {
  height: 6px;
  background: linear-gradient(90deg, var(--gold-dim), var(--gold), var(--teal));
  border-radius: 1px;
  position: relative;
  max-width: 100%;
  width: calc(var(--fill, 0.5) * 100%);
}

.freq-hz {
  font-size: 12px;
  font-weight: 500;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.freq-transition {
  font-size: 11px;
  color: var(--fg-2);
  text-align: right;
  margin-top: 8px;
  font-style: italic;
}

/* ===== TOOLS ===== */
.tools {
  padding: 120px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.tools-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.tools-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.tools-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .tools-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .tools-grid { grid-template-columns: repeat(4, 1fr); }
}

.tool-card {
  background: var(--bg-3);
  padding: 36px 28px;
  transition: transform 0.3s ease;
}

.tool-card:hover { transform: translateY(-4px); }

.tool-icon {
  margin-bottom: 20px;
}

.tool-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.tool-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing-quote-mark {
  width: 40px;
  height: 40px;
  margin: 0 auto 32px;
  background: var(--gold);
  opacity: 0.6;
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}

.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 40px;
}

.closing-attr {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.footer-sub {
  font-size: 13px;
  color: var(--fg-2);
  margin-bottom: 16px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.footer-meta {
  font-size: 12px;
  color: var(--fg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.footer-sep { opacity: 0.4; }

/* ===== RESPONSIVE ===== */
@media (max-width: 639px) {
  .quadrant-card { padding: 28px 24px; }
  .quadrant-number { font-size: 60px; }
  .freq-bar { grid-template-columns: 56px 1fr 48px; }
}