/* -----------------------------
   AESTHETICS — Presentation CSS
   No inline styles; responsive; accessible focus; reduced motion.
------------------------------ */

:root {
  color-scheme: dark;
  --bg: #0b0f1a;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.09);
  --border: rgba(233, 231, 255, 0.14);

  --text: rgba(233, 231, 255, 0.92);
  --muted: rgba(233, 231, 255, 0.7);

  --mint: #3ef0c8;
  --orchid: #b9a6ff;
  --amber: #ffd27a;
  --pink: #ff6bd6;

  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;

  --wrap: 1120px;
  --pad: clamp(16px, 4vw, 28px);

  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --focus: 0 0 0 3px rgba(62, 240, 200, 0.35),
    0 0 0 6px rgba(185, 166, 255, 0.18);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f7f7ff;
    --surface: rgba(10, 16, 28, 0.06);
    --surface-2: rgba(10, 16, 28, 0.09);
    --border: rgba(10, 16, 28, 0.14);

    --text: rgba(10, 16, 28, 0.92);
    --muted: rgba(10, 16, 28, 0.72);

    --shadow: 0 16px 40px rgba(10, 16, 28, 0.12);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: radial-gradient(
      1000px 600px at 20% 10%,
      rgba(185, 166, 255, 0.22),
      transparent 55%
    ),
    radial-gradient(
      900px 500px at 80% 20%,
      rgba(62, 240, 200, 0.18),
      transparent 55%
    ),
    radial-gradient(
      900px 700px at 50% 95%,
      rgba(255, 107, 214, 0.12),
      transparent 55%
    ),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 10px;
}

.skip-link {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transform: translateY(-140%);
  transition: transform 160ms ease;
  z-index: 999;
}

.skip-link:focus {
  transform: translateY(0);
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -----------------------------
   Header + Nav
------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    to bottom,
    rgba(11, 15, 26, 0.78),
    rgba(11, 15, 26, 0.35)
  );
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: light) {
  .site-header {
    background: linear-gradient(
      to bottom,
      rgba(247, 247, 255, 0.86),
      rgba(247, 247, 255, 0.45)
    );
  }
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 68px;
}

@media screen and (max-width: 720px) {
  .header-grid {
    flex-direction: column;
    padding: 10px 0;
  }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(185, 166, 255, 0.22),
    rgba(62, 240, 200, 0.14)
  );
  border: 1px solid var(--border);
}

.brand-text {
  font-size: 0.98rem;
}

.nav {
  display: flex;
  gap: clamp(10px, 2vw, 18px);
  align-items: center;
  flex-wrap: wrap;
}

@media screen and (max-width: 480px) {
  .nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
}

.nav a:hover {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
}

/* -----------------------------
   Hero
------------------------------ */

.hero {
  padding: clamp(34px, 6vw, 78px) 0 clamp(22px, 4.8vw, 56px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(16px, 3vw, 28px);
  align-items: center;
}

@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.2rem, 3.4vw, 3.4rem);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.lead {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 58ch;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 12px;
}

.metric dt {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.metric dd {
  margin: 6px 0 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

@media (max-width: 520px) {
  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

.hero-art {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.03)
  );
  box-shadow: var(--shadow);
}

.art {
  display: block;
  width: 100%;
  height: auto;
}

/* -----------------------------
   Sections
------------------------------ */

.section {
  padding: clamp(26px, 5vw, 62px) 0;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2.1rem);
  letter-spacing: -0.015em;
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }
}

.card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.05)
  );
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0 0 10px;
}

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

.muted {
  color: var(--muted);
}

.list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li {
  margin: 6px 0;
}

.quote {
  margin-top: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: radial-gradient(
      800px 180px at 15% 0%,
      rgba(62, 240, 200, 0.18),
      transparent 60%
    ),
    radial-gradient(
      800px 180px at 85% 0%,
      rgba(185, 166, 255, 0.18),
      transparent 60%
    ),
    var(--surface);
  padding: 16px;
}

/* Quotes */
.quotes {
  margin-top: 14px;
}

.quote-card {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: radial-gradient(
      800px 180px at 15% 0%,
      rgba(62, 240, 200, 0.18),
      transparent 60%
    ),
    radial-gradient(
      800px 180px at 85% 0%,
      rgba(185, 166, 255, 0.18),
      transparent 60%
    ),
    var(--surface);
  padding: 16px;
}

.quote-text {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.quote-meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--muted);
}

.quote-text {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.quote-meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--muted);
}

/* -----------------------------
   Palette
------------------------------ */

.palette {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 980px) {
  .palette {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .palette {
    grid-template-columns: 1fr;
  }
}

.swatch {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 12px;
}

.chip {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.chip-ink {
  background: #0b0f1a;
}

.chip-mist {
  background: #e9e7ff;
}

.chip-mint {
  background: var(--mint);
}

.chip-orchid {
  background: var(--orchid);
}

.chip-amber {
  background: var(--amber);
}

.swatch-name {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.swatch-desc {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.small-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* -----------------------------
   CTA
------------------------------ */

.cta {
  margin-top: 18px;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--border);
  background: linear-gradient(
    135deg,
    rgba(255, 107, 214, 0.14),
    rgba(62, 240, 200, 0.12),
    rgba(185, 166, 255, 0.12)
  );
  padding: 16px;
  box-shadow: var(--shadow);
}

.cta-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.cta-text {
  margin: 10px 0 14px;
  font-size: 1.05rem;
  max-width: 70ch;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
  font-weight: 650;
}

.button:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* -----------------------------
   Footer
------------------------------ */

.site-footer {
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0));
}

.footer-grid {
  display: grid;
  gap: 8px;
  align-items: start;
}

.footer-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* -----------------------------
   Motion preferences
------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
    animation: none !important;
  }
}