:root {
  --bg: #f4efe7;
  --bg-soft: rgba(255, 252, 246, 0.76);
  --panel: rgba(255, 255, 255, 0.58);
  --panel-strong: rgba(22, 27, 25, 0.86);
  --text: #171c1a;
  --text-soft: rgba(23, 28, 26, 0.72);
  --line: rgba(23, 28, 26, 0.1);
  --gold: #ad8f5f;
  --sage: #526851;
  --sage-deep: #40513f;
  --shadow: 0 24px 80px rgba(19, 25, 23, 0.08);
  --radius-xl: 2rem;
  --radius-lg: 1.4rem;
  --radius-md: 1rem;
  --container: min(73rem, calc(100vw - 2rem));
  --display: "Bodoni Moda", Georgia, serif;
  --body: "Jost", "Helvetica Neue", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--body);
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(173, 143, 95, 0.18), transparent 30%),
    radial-gradient(circle at 20% 20%, rgba(82, 104, 81, 0.12), transparent 24%),
    linear-gradient(180deg, #faf7f1 0%, #f5f0e8 48%, #eee7dd 100%);
}

a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: radial-gradient(rgba(17, 20, 19, 0.35) 0.55px, transparent 0.55px);
  background-size: 10px 10px;
  mix-blend-mode: multiply;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 4.5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  background: rgba(250, 247, 241, 0.74);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(23, 28, 26, 0.08);
}

.site-header__brand,
.site-header__nav a,
.site-header__cta,
.text-link {
  color: var(--text);
  text-decoration: none;
}

.site-header__brand {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
}

.site-header__nav {
  display: none;
  gap: 1.5rem;
}

.site-header__nav a,
.site-header__cta {
  font-size: 0.95rem;
}

.site-header__cta {
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
}

.section-kicker {
  margin: 0 0 1rem;
  color: var(--sage);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 42rem;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.hero__title,
.mode-card h3,
.timeline-card h3,
.conversation-card h3,
.closing-shell h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.section-heading h2 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
}

.section-heading p,
.hero__description,
.mode-card p,
.surface-item p,
.timeline-card p,
.conversation-card p,
.faq-item p,
.closing-shell p,
.feature-film__note,
.hero__tagline {
  color: var(--text-soft);
  line-height: 1.72;
}

.section--hero {
  min-height: calc(100svh - 4.5rem);
  display: grid;
  align-items: center;
  overflow: clip;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 24%, rgba(173, 143, 95, 0.24), transparent 0 23%),
    radial-gradient(circle at 50% 30%, rgba(82, 104, 81, 0.16), transparent 0 32%);
  filter: blur(10px);
}

.hero__content {
  position: relative;
  z-index: 1;
  --hero-offset: 0px;
  display: grid;
  justify-items: center;
  text-align: center;
  will-change: transform;
}

.hero__eyebrow {
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(4rem, 13vw, 8.7rem);
  max-width: 9ch;
}

.hero__tagline {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
}

.hero__description {
  max-width: 35rem;
  margin: 1rem 0 0;
  font-size: 1rem;
}

.hero__actions {
  display: grid;
  gap: 0.8rem;
  width: 100%;
  max-width: 25rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.92rem 1.35rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease;
}

.button--primary {
  color: #f7f3ec;
  background: linear-gradient(135deg, #171d1b 0%, #2e3a34 100%);
  box-shadow: 0 18px 36px rgba(22, 27, 25, 0.18);
}

.button--ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
}

.hero__visual {
  position: relative;
  width: min(34rem, 88vw);
  aspect-ratio: 1 / 1;
  margin-top: 2.8rem;
}

.hero__ring,
.hero__orb {
  position: absolute;
  inset: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.hero__ring {
  border: 1px solid rgba(23, 28, 26, 0.08);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 72%);
}

.hero__ring--outer {
  width: 100%;
  height: 100%;
}

.hero__ring--mid {
  width: 74%;
  height: 74%;
}

.hero__ring--inner {
  width: 48%;
  height: 48%;
}

.hero__orb {
  width: 28%;
  height: 28%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0) 35%),
    linear-gradient(160deg, rgba(173, 143, 95, 0.42), rgba(82, 104, 81, 0.7));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 20px 50px rgba(82, 104, 81, 0.2);
}

.hero__pillars {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.hero__pillar {
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(23, 28, 26, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  font-size: 0.85rem;
  color: var(--text-soft);
}

.hero__footnote {
  margin: 1.1rem 0 0;
  color: var(--sage-deep);
  font-size: 0.88rem;
}

.feature-film,
.surface-layout,
.faq-shell {
  display: grid;
  gap: 1.5rem;
}

.feature-film__media,
.surface-visual,
.mode-card,
.surface-item,
.timeline-card,
.conversation-card,
.closing-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--bg-soft);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.feature-film__media {
  min-height: 21rem;
  padding: 1rem;
}

.feature-film__screen {
  position: relative;
  height: 100%;
  min-height: 19rem;
  border-radius: calc(var(--radius-xl) - 0.3rem);
  background:
    radial-gradient(circle at 50% 25%, rgba(173, 143, 95, 0.34), transparent 0 28%),
    radial-gradient(circle at 54% 50%, rgba(82, 104, 81, 0.25), transparent 0 24%),
    linear-gradient(160deg, #111614 0%, #26312d 55%, #1c2321 100%);
  overflow: hidden;
}

.feature-film__glow {
  position: absolute;
  inset: 18% 22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 244, 225, 0.42), transparent 68%);
  filter: blur(16px);
}

.feature-film__label {
  position: absolute;
  left: 1.5rem;
  bottom: 1.5rem;
  color: rgba(255, 247, 238, 0.92);
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3.75rem);
}

.feature-film__copy {
  display: grid;
  align-content: center;
}

.feature-film__notes {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.feature-film__note {
  padding-left: 1.15rem;
  position: relative;
}

.feature-film__note::before {
  content: "";
  position: absolute;
  top: 0.72rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--gold);
}

.text-link {
  margin-top: 1.7rem;
  display: inline-flex;
  width: fit-content;
  font-weight: 600;
}

.modes-grid,
.timeline-list,
.conversation-grid,
.surface-list,
.faq-list {
  display: grid;
  gap: 1rem;
}

.modes-grid {
  margin-top: 2rem;
}

.mode-card,
.timeline-card,
.conversation-card,
.surface-item,
.closing-shell {
  padding: 1.4rem;
}

.mode-card__label,
.surface-item__label,
.timeline-card__phase {
  margin: 0 0 0.65rem;
  color: var(--sage);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mode-card h3,
.timeline-card h3,
.conversation-card h3 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin-bottom: 0.65rem;
}

.surface-visual {
  position: relative;
  min-height: 24rem;
  overflow: hidden;
}

.surface-visual__panel {
  position: absolute;
  inset: 10% 12%;
  border-radius: 1.7rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.12)),
    linear-gradient(180deg, rgba(173, 143, 95, 0.2), rgba(82, 104, 81, 0.16));
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.surface-visual__panel--small {
  inset: auto 18% 12% 30%;
  min-height: 8rem;
}

.timeline-card {
  min-height: 15rem;
}

.conversation-card span {
  display: inline-flex;
  width: fit-content;
  margin-top: 1rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  color: var(--sage-deep);
  background: rgba(82, 104, 81, 0.12);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.faq-shell {
  align-items: start;
}

.faq-item {
  border-top: 1px solid rgba(23, 28, 26, 0.08);
  padding: 1rem 0;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-size: 1.08rem;
  font-weight: 600;
}

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

.closing-shell {
  text-align: center;
  padding-block: 3rem;
}

.closing-shell h2 {
  font-size: clamp(2.6rem, 6vw, 5rem);
}

.closing-shell p {
  max-width: 34rem;
  margin: 1rem auto 0;
}

.closing-shell .button {
  margin-top: 1.6rem;
}

.button:hover,
.button:focus-visible,
.mode-card:hover,
.surface-item:hover,
.timeline-card:hover,
.conversation-card:hover,
.site-header__cta:hover {
  transform: translateY(-2px);
}

a:focus-visible,
.button:focus-visible,
summary:focus-visible,
.site-header__cta:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(173, 143, 95, 0.18);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.hero__content.reveal {
  transform: translate3d(0, calc(24px + var(--hero-offset)), 0);
}

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

.hero__content.reveal.is-visible {
  transform: translate3d(0, var(--hero-offset), 0);
}

@media (min-width: 48rem) {
  .site-header {
    padding-inline: 1.5rem;
  }

  .site-header__nav {
    display: flex;
  }

  .hero__actions {
    grid-auto-flow: column;
    justify-content: center;
  }

  .feature-film,
  .surface-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .modes-grid,
  .timeline-list,
  .conversation-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .surface-list,
  .faq-shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .closing-shell {
    padding-inline: 3rem;
  }
}

@media (min-width: 64rem) {
  .section {
    padding: 6.5rem 0;
  }

  .hero__visual {
    width: min(40rem, 72vw);
  }

  .timeline-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

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

  .hero__content.reveal,
  .hero__content.reveal.is-visible,
  .button:hover,
  .button:focus-visible,
  .mode-card:hover,
  .surface-item:hover,
  .timeline-card:hover,
  .conversation-card:hover,
  .site-header__cta:hover {
    transform: none;
  }
}