:root {
  --bg: #09111f;
  --bg-soft: #0f1b2c;
  --panel: rgba(11, 24, 39, 0.76);
  --panel-strong: rgba(14, 28, 45, 0.92);
  --panel-border: rgba(176, 206, 238, 0.16);
  --text: #f6f0e9;
  --muted: #b6c5d5;
  --muted-strong: #dce7f2;
  --accent: #e8c88c;
  --accent-soft: #9dc8dd;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: min(1180px, calc(100vw - 2rem));
  --display-font: "Cormorant Garamond", "Times New Roman", serif;
  --body-font: "Instrument Sans", "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: var(--body-font);
  background:
    radial-gradient(circle at 18% 14%, rgba(156, 197, 220, 0.19), transparent 26%),
    radial-gradient(circle at 82% 8%, rgba(232, 200, 140, 0.14), transparent 20%),
    radial-gradient(circle at 50% 78%, rgba(63, 102, 127, 0.18), transparent 27%),
    linear-gradient(180deg, #0d1625 0%, #08101c 36%, #060b14 100%);
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
  opacity: 0.24;
}

img {
  max-width: 100%;
  display: block;
}

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

p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 1rem;
  transform: translate(-50%, -180%);
  z-index: 50;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: #fff;
  color: #09111f;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

.site-shell {
  position: relative;
  width: var(--content-width);
  margin: 0 auto;
  padding: 1.2rem 0 4rem;
}

.shell-glow {
  position: fixed;
  top: 12vh;
  width: 28vw;
  height: 28vw;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(24px);
  opacity: 0.6;
}

.shell-glow-left {
  left: -12vw;
  background: radial-gradient(circle, rgba(160, 207, 235, 0.22), transparent 68%);
}

.shell-glow-right {
  right: -10vw;
  background: radial-gradient(circle, rgba(233, 201, 144, 0.18), transparent 64%);
}

.topbar {
  position: sticky;
  top: 0.8rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(181, 210, 240, 0.12);
  border-radius: 999px;
  background: rgba(6, 13, 23, 0.7);
  backdrop-filter: blur(24px) saturate(135%);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
}

.brand-link {
  flex: 0 1 320px;
}

.brand-wordmark {
  width: 100%;
  max-width: 248px;
  height: auto;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.topnav a {
  position: relative;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.topnav a:is(:hover, :focus-visible),
.topnav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.section {
  position: relative;
  margin-bottom: 1.5rem;
  padding: clamp(1.4rem, 2vw, 2rem);
  border: 1px solid rgba(182, 214, 240, 0.1);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 34%),
    linear-gradient(180deg, rgba(11, 21, 35, 0.84), rgba(8, 15, 25, 0.9));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.section::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: center;
  min-height: min(86svh, 880px);
  padding-top: clamp(1.8rem, 4vw, 3rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto 10% -26% auto;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 200, 140, 0.17), rgba(232, 200, 140, 0) 66%);
  filter: blur(12px);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.eyebrow {
  margin-bottom: 0.85rem;
  color: var(--accent-soft);
  font-size: 0.83rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.quote-panel blockquote {
  margin: 0;
  font-family: var(--display-font);
  font-weight: 700;
  line-height: 0.95;
}

.hero h1 {
  font-size: clamp(4rem, 9vw, 7.8rem);
  letter-spacing: -0.04em;
}

.hero-lead {
  margin-top: 1rem;
  max-width: 18ch;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.25;
  color: var(--muted-strong);
}

.hero-body,
.section-heading p,
.mode-card p,
.use-card p,
.faq-item p,
.footer-copy,
.info-panel p {
  color: var(--muted);
  line-height: 1.72;
}

.hero-body {
  max-width: 58ch;
  margin-top: 1.15rem;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.65rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 500;
  transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.button:is(:hover, :focus-visible) {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, #f1dfb7, #d8b173);
  color: #0b1220;
}

.button-secondary {
  border-color: rgba(191, 219, 242, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.9rem;
}

.hero-stats div {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid rgba(190, 218, 240, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.035);
}

.hero-stats dt {
  color: var(--accent-soft);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-stats dd {
  margin: 0.65rem 0 0;
  color: var(--text);
  line-height: 1.35;
}

.hero-media {
  position: relative;
  justify-self: end;
  width: min(100%, 490px);
}

.hero-card {
  position: relative;
  padding: 1rem;
  border-radius: 34px;
  border: 1px solid rgba(190, 221, 241, 0.14);
  background: linear-gradient(180deg, rgba(13, 25, 40, 0.82), rgba(8, 14, 22, 0.96));
}

.hero-card-copy {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.hero-card-title {
  max-width: 16ch;
  font-size: 1.12rem;
  line-height: 1.45;
  color: var(--muted-strong);
}

.hero-card img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.section-heading {
  max-width: 720px;
}

.section-heading h2 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  letter-spacing: -0.04em;
}

.section-heading p {
  margin-top: 1rem;
  max-width: 62ch;
}

.panel-grid,
.uses-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.info-panel,
.use-card,
.mode-card,
.faq-item,
.quote-panel,
.timeline {
  position: relative;
  border: 1px solid rgba(192, 220, 244, 0.11);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent 40%),
    rgba(13, 24, 39, 0.66);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.info-panel,
.use-card,
.mode-card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
}

.panel-index {
  margin-bottom: 1rem;
  color: rgba(232, 200, 140, 0.88);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
}

.info-panel h3,
.use-card h3,
.mode-card h3,
.quote-panel blockquote,
.faq-item summary {
  font-weight: 500;
}

.info-panel h3,
.use-card h3,
.mode-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.3rem;
}

.modes-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.mode-card {
  overflow: hidden;
}

.mode-card::before {
  content: "";
  position: absolute;
  inset: auto auto -18% 66%;
  width: 220px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(233, 201, 144, 0.14), transparent 70%);
  pointer-events: none;
}

.mode-mark {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  aspect-ratio: 1;
  margin-bottom: 1.05rem;
  border-radius: 50%;
  border: 1px solid rgba(210, 225, 240, 0.2);
  color: var(--text);
  font-family: var(--display-font);
  font-size: 1.65rem;
  background: rgba(255, 255, 255, 0.035);
}

.mode-subhead {
  margin-bottom: 0.75rem;
  color: var(--accent-soft);
}

.mode-points {
  margin: 1rem 0 0;
  padding-left: 1.05rem;
  color: var(--muted-strong);
  line-height: 1.72;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.2rem;
  padding: 1.15rem;
  border-radius: var(--radius-lg);
}

.timeline-step {
  padding: 0.9rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
}

.timeline-step span {
  display: inline-block;
  margin-bottom: 0.6rem;
  color: rgba(232, 200, 140, 0.88);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
}

.timeline-step p {
  color: var(--muted-strong);
  line-height: 1.45;
}

.quote-panel {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 28px;
}

.quote-panel img {
  width: 100%;
  height: auto;
}

.quote-panel blockquote {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.04em;
}

.quote-panel p:last-child {
  margin-top: 1rem;
  color: var(--muted);
  line-height: 1.72;
}

.faq-list {
  margin-top: 1.4rem;
}

.faq-item {
  padding: 1.15rem 1.2rem;
  border-radius: 22px;
}

.faq-item + .faq-item {
  margin-top: 0.85rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-size: 1.08rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] summary {
  color: var(--accent-soft);
}

.faq-item p {
  margin-top: 0.9rem;
}

.faq-item a {
  color: var(--accent);
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem 2rem;
  align-items: end;
  padding: 1.2rem 0 0;
}

.footer-title {
  margin-bottom: 0.45rem;
  font-family: var(--display-font);
  font-size: 1.7rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.footer-links a,
.footer-meta {
  color: var(--muted);
}

.footer-meta {
  grid-column: 1 / -1;
  font-size: 0.95rem;
}

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-media {
    justify-self: stretch;
    width: 100%;
  }

  .hero-card {
    max-width: 560px;
  }

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

@media (max-width: 760px) {
  .site-shell {
    width: min(100vw - 1rem, 100%);
    padding-top: 0.65rem;
  }

  .topbar {
    position: static;
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    border-radius: 28px;
  }

  .brand-link {
    flex-basis: auto;
  }

  .brand-wordmark {
    max-width: 230px;
  }

  .topnav {
    justify-content: flex-start;
  }

  .topnav a {
    padding-inline: 0.85rem;
  }

  .section {
    padding: 1.15rem;
    border-radius: 24px;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .hero-stats,
  .panel-grid,
  .uses-grid,
  .modes-layout,
  .timeline,
  .footer {
    grid-template-columns: 1fr;
  }

  .quote-panel {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .quote-panel img {
    width: 120px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@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;
    scroll-behavior: auto !important;
  }

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