:root {
  --bg: #090909;
  --bg-soft: #131313;
  --panel: #171717;
  --panel-2: #1e1e1e;
  --paper: #f4efe9;
  --paper-2: #ece4dc;
  --text: #ffffff;
  --text-dark: #111111;
  --muted: #cfc3b7;
  --muted-dark: #5d574f;
  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(0, 0, 0, 0.1);
  --orange: #ef6b1f;
  --orange-2: #ff8f39;
  --orange-deep: #c84e0d;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.32);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.motion-enabled {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(239, 107, 31, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 143, 57, 0.14), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

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

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

.shell {
  width: min(94vw, 1760px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(9, 9, 9, 0.78);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 280px 1fr auto;
  gap: 2rem;
  align-items: center;
  min-height: 88px;
}

.site-brand img {
  width: 210px;
}

.site-nav {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
}

.site-nav a:hover,
.text-link:hover {
  color: var(--orange-2);
}

.site-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.text-link {
  color: rgba(255, 255, 255, 0.82);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

html.motion-enabled .reveal-item {
  opacity: 0;
  transform: translate3d(0, 42px, 0);
  transition:
    opacity 720ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 720ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

html.motion-enabled .reveal-item.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

html.motion-enabled .parallax-item {
  transform: translate3d(0, var(--parallax-y, 0px), 0);
  transition: transform 160ms linear;
  will-change: transform;
}

.button--solid {
  background: linear-gradient(135deg, var(--orange-2), var(--orange-deep));
  color: #fff;
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-band,
.section {
  position: relative;
  overflow: hidden;
}

.hero-band {
  min-height: calc(100svh - 88px);
  padding: clamp(1.4rem, 2.6vh, 2.4rem) 0;
  display: flex;
  align-items: center;
}

.hero-grid,
.section-grid,
.faq-grid,
.final-grid {
  display: grid;
  gap: clamp(2rem, 3vw, 4rem);
  align-items: center;
}

.hero-grid {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  min-height: calc(100svh - 88px - (clamp(1.4rem, 2.6vh, 2.4rem) * 2));
  gap: clamp(1.4rem, 2vw, 2.6rem);
}

.section-grid {
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.section-grid--reverse {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.hero-copy h1,
.section-copy h2,
.final-copy h2 {
  margin: 0;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-copy h1 {
  max-width: 14ch;
  font-size: clamp(2.9rem, 4.9vw, 5.8rem);
  line-height: 0.92;
}

.section-copy h2,
.final-copy h2 {
  font-size: clamp(2.4rem, 4vw, 4.8rem);
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.3rem;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.icon-chip {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 143, 57, 0.3), rgba(239, 107, 31, 0.85));
  color: #fff;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.icon-chip--image {
  padding: 0;
  object-fit: cover;
  border-radius: 16px;
  background: transparent;
  box-shadow: none;
}

.hero-lead,
.section-lead {
  max-width: 42rem;
  margin: 0.85rem 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(0.98rem, 1.25vw, 1.14rem);
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.hero-points,
.triple-points {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.hero-points {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

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

.point-card,
.triple-points article {
  padding: 0.9rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
}

.point-card h2,
.triple-points h3 {
  margin: 0 0 0.45rem;
  font-size: 0.94rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.point-card p,
.triple-points p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.42;
  font-size: 0.85rem;
}

.hero-surfaces {
  display: block;
}

.hero-video-surface {
  display: grid;
  gap: 0.9rem;
}

.hero-video-surface__header {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.hero-video-surface__frame {
  position: relative;
  min-height: 540px;
  padding: 1rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.surface,
.product-window,
.brain-surface,
.video-surface,
.journey-surface,
.control-surface,
.compare-surface,
.stack-surface,
.faq-panel,
.final-collage,
.reply-brain {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.surface,
.product-window,
.video-surface,
.control-surface,
.stack-surface,
.faq-panel {
  border: 1px solid var(--line);
}

.surface {
  padding: 0.85rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
}

.surface--single {
  display: grid;
  gap: 0.9rem;
}

.surface__topbar,
.product-window__bar {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.surface__topbar span,
.product-window__bar span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
}

.surface__meta,
.surface__label,
.surface__video-badge,
.product-window__header span,
.video-surface__label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.surface__content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0.8rem;
}

.surface__panel,
.surface__video {
  min-height: 160px;
  padding: 0.9rem;
  border-radius: var(--radius-lg);
}

.surface__panel {
  background: linear-gradient(135deg, rgba(255, 143, 57, 0.18), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.surface__image,
.surface__poster,
.surface__video-player,
.product-window__image,
.journey-surface__image,
.control-surface__image,
.compare-surface__image,
.stack-surface__image,
.reply-brain__image,
.collage-card__image,
.collage-card__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.surface__headline {
  margin-top: 0.8rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.surface__rows {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.9rem;
}

.surface__rows span {
  padding: 0.5rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
}

.surface__video {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: end;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(239, 107, 31, 0.22));
  border: 1px dashed rgba(255, 255, 255, 0.18);
  overflow: hidden;
}

.surface__video--hero {
  min-height: 250px;
  padding: 0.9rem;
}

.surface__video-player,
.video-surface__player,
.collage-card__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
  border-radius: var(--radius-lg);
  background: #0b0b0b;
}

.brain-surface__core,
.reply-brain {
  position: relative;
  display: grid;
  place-items: center;
}

.brain-surface__brain,
.reply-brain__orb {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  background: radial-gradient(circle at 30% 30%, var(--orange-2), var(--orange-deep));
  box-shadow: 0 0 60px rgba(239, 107, 31, 0.4);
}

.brain-surface__pulse,
.reply-brain__rings {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.brain-surface__copy p,
.brain-surface__copy strong,
.brain-surface__copy span {
  display: block;
}

.brain-surface__copy p {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.brain-surface__copy strong {
  margin-top: 0.5rem;
  font-size: 1.1rem;
}

.brain-surface__copy span {
  margin-top: 0.6rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.88rem;
}

.section--paper {
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  color: var(--text-dark);
}

.section--paper .section-lead,
.section--paper .section-kicker,
.section--paper .triple-points p {
  color: var(--muted-dark);
}

.section--paper .triple-points article {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--line-dark);
}

.section--dark {
  background:
    radial-gradient(circle at right top, rgba(239, 107, 31, 0.18), transparent 28%),
    linear-gradient(180deg, #0d0d0d, #121212);
}

.section--graphite {
  background: linear-gradient(180deg, #161616, #24201d);
}

.section--coal {
  background: linear-gradient(180deg, #111111, #1b1815);
}

.section--faq {
  background: linear-gradient(180deg, #1a1a1a, #111111);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.section--final {
  background:
    radial-gradient(circle at top right, rgba(255, 143, 57, 0.22), transparent 25%),
    linear-gradient(180deg, #120d09, #090909);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.product-window {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-dark);
}

.product-window--dark {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.product-window__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.product-window__canvas {
  display: block;
}

.product-window__column {
  display: grid;
  gap: 0.75rem;
}

.product-window__column--wide {
  grid-column: auto;
}

.ui-block,
.ui-line {
  border-radius: var(--radius-sm);
  min-height: 58px;
  padding: 1rem;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.08);
  border: 1px solid rgba(10, 10, 10, 0.08);
}

.ui-block--orange {
  background: rgba(239, 107, 31, 0.18);
}

.ui-line--tall {
  min-height: 170px;
}

.ui-line--dark {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

.video-surface {
  margin-top: 1rem;
  padding: 1rem;
  min-height: 180px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(239, 107, 31, 0.16));
}

.video-surface--paper {
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.82);
}

.video-surface__body {
  position: relative;
  margin-top: 1rem;
  min-height: 230px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  background: rgba(9, 9, 9, 0.44);
  color: #fff;
  border: 1px dashed rgba(255, 255, 255, 0.18);
}

.video-surface__poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reply-brain {
  min-height: 310px;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(255, 143, 57, 0.25), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
}

.journey-surface {
  padding: 1rem;
  min-height: 260px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.journey-node {
  padding: 1.2rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  text-align: center;
}

.journey-node strong {
  display: block;
  font-size: 1.1rem;
}

.journey-node span {
  display: block;
  margin-top: 0.4rem;
  color: rgba(255, 255, 255, 0.7);
}

.journey-link {
  display: none;
}

.control-surface {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.85);
}

.control-surface__image {
  min-height: 360px;
}

.control-surface__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.control-card {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fff, #f4ece5);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.control-card h3 {
  margin: 0 0 0.4rem;
}

.control-card p {
  margin: 0;
  color: var(--muted-dark);
}

.compare-surface {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.compare-surface__image {
  min-height: 260px;
}

.compare-card {
  padding: 1.25rem;
  min-height: 180px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.compare-card--clean {
  background: linear-gradient(180deg, rgba(239, 107, 31, 0.2), rgba(255, 255, 255, 0.04));
}

.compare-card__label {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--orange-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
}

.compare-arrow {
  font-size: 2rem;
  color: var(--orange-2);
}

.stack-surface {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.84);
}

.stack-surface__image {
  min-height: 280px;
}

.stack-column {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: #f5efea;
  color: var(--text-dark);
}

.stack-column--highlight {
  background: linear-gradient(180deg, rgba(239, 107, 31, 0.92), rgba(200, 78, 13, 0.92));
  color: #fff;
}

.stack-column h3 {
  margin-top: 0;
}

.stack-column ul {
  margin: 0.8rem 0 0;
  padding-left: 1rem;
}

.faq-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.faq-panel {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
}

details {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

details + details {
  margin-top: 0.85rem;
}

summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

details p {
  margin: 0;
  padding: 0 1.1rem 1rem;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.7;
}

.triple-points--compact {
  grid-template-columns: 1fr;
}

.final-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
}

.final-collage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.collage-card {
  position: relative;
  min-height: 170px;
  padding: 1.2rem;
  overflow: hidden;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.collage-card--logo {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, rgba(255, 143, 57, 0.1), rgba(255, 255, 255, 0.03));
}

.collage-card--logo img {
  width: min(100%, 260px);
}

@media (max-width: 1200px) {
  .site-header__inner,
  .hero-grid,
  .section-grid,
  .faq-grid,
  .final-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    padding: 1rem 0;
  }

  .hero-band,
  .hero-grid {
    min-height: unset;
  }

  .hero-copy h1 br {
    display: none;
  }

  .site-nav {
    justify-content: start;
  }

  .hero-points,
  .triple-points,
  .journey-surface,
  .control-surface__grid,
  .stack-surface,
  .final-collage,
  .product-window__canvas,
  .surface__content {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 980px) and (min-width: 1201px) {
  .hero-band {
    padding: 1rem 0;
  }

  .hero-grid {
    gap: 1.5rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.55rem, 4.3vw, 5.1rem);
  }

  .hero-lead {
    font-size: 0.94rem;
    line-height: 1.46;
  }

  .hero-points {
    gap: 0.75rem;
  }

  .point-card {
    padding: 0.75rem 0.82rem;
  }

  .point-card h2 {
    font-size: 0.86rem;
  }

  .point-card p {
    font-size: 0.8rem;
    line-height: 1.34;
  }

  .surface__panel,
  .surface__video {
    min-height: 138px;
  }

  .hero-video-surface__frame {
    min-height: 460px;
  }
}

@media (max-width: 1200px) {
  html.motion-enabled .parallax-item {
    transform: none;
  }
}

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

  html.motion-enabled .reveal-item,
  html.motion-enabled .reveal-item.is-visible,
  html.motion-enabled .parallax-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(92vw, 1760px);
  }

  .hero-copy h1 {
    max-width: 12ch;
  }

  .site-actions {
    flex-wrap: wrap;
  }

  .brain-surface,
  .compare-surface {
    grid-template-columns: 1fr;
  }

  .compare-arrow {
    justify-self: center;
    transform: rotate(90deg);
  }

  .button,
  .hero-actions a {
    width: 100%;
  }
}