/* Dynamical Mind — simplified site styles */

:root {
  --bg: #05070d;
  --bg-soft: #0b1120;
  --panel: rgba(11, 17, 32, 0.82);
  --panel-strong: rgba(14, 22, 40, 0.96);
  --border: rgba(138, 160, 200, 0.16);
  --border-strong: rgba(98, 188, 255, 0.32);
  --text-primary: #eef4ff;
  --text-muted: #a8b4c8;
  --text-faint: #72809b;
  --accent: #61d0ff;
  --accent-soft: rgba(97, 208, 255, 0.14);
  --violet: #97a2ff;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --font-sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --header-h: 76px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-primary);
  background:
    radial-gradient(circle at top, rgba(97, 208, 255, 0.14), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(151, 162, 255, 0.12), transparent 20%),
    linear-gradient(180deg, #060811 0%, #04060b 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 100;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #031018;
  font-weight: 700;
}

.skip-link:focus {
  left: 0.5rem;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin-inline: auto;
}

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: rgba(4, 6, 11, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(4, 6, 11, 0.84);
  border-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
}

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

.logo:hover .logo-image {
  opacity: 0.92;
}

.logo-image {
  display: block;
  height: clamp(2rem, 5vw, 2.5rem);
  width: auto;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  overflow: clip;
}

.hero-glow {
  position: absolute;
  inset: 4rem auto auto 55%;
  width: min(44vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(97, 208, 255, 0.18), transparent 68%);
  filter: blur(16px);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 380px);
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-kicker,
.panel-label {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-title,
.section-title {
  margin: 0 0 1rem;
  font-weight: 650;
  line-height: 1.02;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.hero-title {
  max-width: 10ch;
  font-size: clamp(3rem, 7vw, 5.5rem);
}

.hero-lead,
.section-lead,
.info-card p,
.hero-points li,
.footer-brand,
.footer-note {
  color: var(--text-muted);
}

.hero-lead {
  max-width: 40ch;
  margin: 0 0 1.75rem;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 600;
  transition:
    transform 0.2s var(--ease-out),
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #041019;
  box-shadow: 0 14px 40px rgba(97, 208, 255, 0.22);
}

.btn-primary:hover {
  color: #041019;
}

.btn-secondary {
  border-color: var(--border-strong);
  background: rgba(11, 17, 32, 0.62);
}

.hero-panel,
.info-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hero-panel {
  padding: 1.5rem;
  background:
    radial-gradient(circle at top, rgba(97, 208, 255, 0.08), transparent 40%),
    var(--panel-strong);
  box-shadow: var(--shadow);
}

.hero-points {
  margin: 0;
  padding-left: 1.15rem;
}

.hero-points li + li {
  margin-top: 0.9rem;
}

.section {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.section-alt {
  border-top: 1px solid rgba(138, 160, 200, 0.08);
  border-bottom: 1px solid rgba(138, 160, 200, 0.08);
  background: rgba(8, 12, 22, 0.42);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.15rem);
}

.section-lead {
  margin: 0;
  font-size: 1.08rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.info-card {
  padding: 1.4rem;
}

.info-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.08rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.info-card p {
  margin: 0;
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(138, 160, 200, 0.08);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.85rem;
}

.footer-brand,
.footer-note {
  margin: 0;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

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

  .hero-title {
    max-width: 12ch;
  }

  .hero-panel {
    max-width: 640px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 1.5rem, 1120px);
  }

  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 0.9rem 1.1rem;
  }

  .hero {
    padding-top: 3.25rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }
}