:root {
  color-scheme: dark;
  --ink: #f7efe4;
  --muted: #bda88c;
  --dim: #7f725f;
  --paper: #120f0b;
  --panel: rgba(35, 28, 20, 0.72);
  --panel-strong: rgba(54, 42, 29, 0.9);
  --line: rgba(247, 239, 228, 0.16);
  --gold: #f3b64b;
  --ember: #e56539;
  --mint: #9de6c4;
  --blue: #9fb7ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  font-family: Avenir Next, Gill Sans, Trebuchet MS, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(229, 101, 57, 0.24), transparent 34rem),
    radial-gradient(circle at 75% 10%, rgba(157, 230, 196, 0.13), transparent 30rem),
    linear-gradient(135deg, #16100c 0%, #0d0b09 54%, #19120e 100%);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 34rem;
  height: 34rem;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.34;
  pointer-events: none;
}

.ambient-a {
  top: 14rem;
  right: -16rem;
  background: var(--gold);
}

.ambient-b {
  bottom: 2rem;
  left: -18rem;
  background: var(--blue);
}

.section-shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 32px));
  margin: 16px auto 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 15, 11, 0.74);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #1a1108;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--mint));
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}

.nav-links a,
.nav-cta,
.mobile-menu a {
  padding: 12px 16px;
  color: var(--muted);
  border-radius: 999px;
  font-size: 0.86rem;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.mobile-menu a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
}

.nav-cta {
  color: #120f0b;
  background: var(--ink);
  font-weight: 800;
}

.menu-button {
  display: none;
  padding: 12px 16px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font: inherit;
}

.mobile-menu {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.78fr);
  gap: 64px;
  align-items: center;
  min-height: 760px;
  padding: 88px 0 56px;
}

.eyebrow {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: Didot, Bodoni 72, Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

h1 {
  max-width: 820px;
  margin-top: 18px;
  font-size: clamp(4rem, 8vw, 8.7rem);
  line-height: 0.8;
}

h2 {
  font-size: clamp(2.5rem, 5vw, 5.7rem);
  line-height: 0.86;
}

.hero-text,
.section-heading p,
.contact p {
  max-width: 690px;
  margin-top: 26px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 900;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #160f07;
  border-color: transparent;
  background: linear-gradient(135deg, var(--gold), var(--mint));
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
}

.hero-panel {
  position: relative;
  min-height: 620px;
}

.phone-frame {
  position: absolute;
  inset: 0 28px 0 24px;
  overflow: hidden;
  padding: 82px 26px 28px;
  border: 1px solid rgba(247, 239, 228, 0.22);
  border-radius: 62px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.14), transparent 28%),
    linear-gradient(145deg, rgba(243, 182, 75, 0.22), rgba(18, 15, 11, 0.96) 50%, rgba(157, 230, 196, 0.15));
  box-shadow: var(--shadow);
}

.phone-frame::after {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 48px;
  content: "";
  pointer-events: none;
}

.phone-top {
  position: absolute;
  top: 30px;
  left: 50%;
  width: 112px;
  height: 24px;
  border-radius: 999px;
  background: #0a0806;
  transform: translateX(-50%);
}

.preview-stack {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}

.preview-stack article {
  min-height: 142px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 34px;
  background: rgba(10, 8, 6, 0.42);
  backdrop-filter: blur(12px);
}

.preview-stack article:nth-child(2) {
  transform: translateX(-34px);
}

.preview-stack article:nth-child(3) {
  transform: translateX(28px);
}

.preview-stack span,
.card-index {
  color: var(--mint);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.preview-stack strong {
  display: block;
  max-width: 280px;
  margin-top: 18px;
  font-family: Didot, Bodoni 72, Georgia, serif;
  font-size: 2.4rem;
  line-height: 0.94;
}

.signal-card {
  position: absolute;
  right: 0;
  bottom: 56px;
  z-index: 2;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  width: 260px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(247, 239, 228, 0.1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.signal-card p {
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.45;
}

.signal-dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 24px var(--mint);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: var(--line);
}

.metrics div {
  min-height: 190px;
  padding: 28px;
  background: rgba(18, 15, 11, 0.78);
}

.metrics strong {
  display: block;
  margin-bottom: 26px;
  font-family: Didot, Bodoni 72, Georgia, serif;
  font-size: 2.6rem;
  letter-spacing: -0.06em;
}

.metrics span {
  color: var(--muted);
  line-height: 1.6;
}

.products,
.platform,
.principles,
.contact {
  padding: 128px 0 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.62fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 46px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

.section-heading p {
  margin-top: 0;
}

.section-heading.compact {
  display: block;
  max-width: 760px;
}

.section-heading.compact h2 {
  margin-top: 16px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.product-card {
  min-height: 320px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: var(--panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.feature-card {
  grid-row: span 2;
  min-height: 658px;
  background:
    linear-gradient(150deg, rgba(243, 182, 75, 0.22), transparent 45%),
    linear-gradient(0deg, rgba(18, 15, 11, 0.72), rgba(18, 15, 11, 0.72)),
    radial-gradient(circle at 50% 38%, rgba(157, 230, 196, 0.24), transparent 24rem);
}

.product-card h3 {
  max-width: 420px;
  margin-top: 110px;
  font-family: Didot, Bodoni 72, Georgia, serif;
  font-size: clamp(2.4rem, 5vw, 5.2rem);
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.product-card:not(.feature-card) h3 {
  margin-top: 64px;
  font-size: clamp(2.1rem, 3.5vw, 3.8rem);
}

.product-card p {
  max-width: 560px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.72;
}

.platform {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1fr);
  gap: 72px;
  align-items: center;
}

.platform-visual {
  position: relative;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 42px;
  background:
    radial-gradient(circle at center, rgba(243, 182, 75, 0.26), transparent 16rem),
    rgba(247, 239, 228, 0.04);
  overflow: hidden;
}

.platform-visual span {
  position: absolute;
  border: 1px solid rgba(247, 239, 228, 0.25);
  border-radius: 46%;
  transform: rotate(-18deg);
}

.platform-visual span:nth-child(1) {
  inset: 16%;
}

.platform-visual span:nth-child(2) {
  inset: 25%;
  border-color: rgba(157, 230, 196, 0.45);
}

.platform-visual span:nth-child(3) {
  inset: 35%;
  border-color: rgba(243, 182, 75, 0.52);
}

.platform-visual span:nth-child(4) {
  inset: 46%;
  background: linear-gradient(135deg, var(--gold), var(--ember));
  box-shadow: 0 0 120px rgba(243, 182, 75, 0.42);
}

.platform-copy h2 {
  margin-top: 18px;
}

.capability-list {
  display: grid;
  gap: 18px;
  margin-top: 44px;
}

.capability-list div,
.principle-row {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.capability-list h3 {
  font-size: 1.02rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.capability-list p,
.principle-row p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

.principle-row {
  display: grid;
  grid-template-columns: 0.38fr 1fr;
  gap: 32px;
  align-items: baseline;
}

.principle-row span {
  font-family: Didot, Bodoni 72, Georgia, serif;
  font-size: clamp(2rem, 4vw, 4.5rem);
  letter-spacing: -0.06em;
}

.principle-row p {
  margin-top: 0;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
}

.contact {
  margin-top: 126px;
  padding: 78px;
  border: 1px solid var(--line);
  border-radius: 48px;
  background:
    linear-gradient(135deg, rgba(243, 182, 75, 0.2), transparent 42%),
    var(--panel-strong);
  box-shadow: var(--shadow);
}

.contact h2 {
  margin-top: 16px;
}

.contact .button {
  margin-top: 34px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  width: min(1160px, calc(100% - 40px));
  margin: 44px auto 0;
  padding: 28px 0 40px;
  color: var(--dim);
  font-size: 0.88rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 920px) {
  .site-header {
    border-radius: 28px;
  }

  .brand span:last-child {
    max-width: 190px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .mobile-menu {
    position: fixed;
    top: 86px;
    right: 16px;
    left: 16px;
    z-index: 9;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(18, 15, 11, 0.94);
    backdrop-filter: blur(20px);
  }

  .mobile-menu.is-open {
    display: grid;
  }

  .hero,
  .section-heading,
  .platform,
  .principle-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    gap: 36px;
    padding-top: 66px;
  }

  .hero-panel {
    min-height: 600px;
  }

  .metrics,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    grid-row: auto;
    min-height: 430px;
  }

  .section-heading p {
    margin-top: -24px;
  }

  .products,
  .platform,
  .principles,
  .contact {
    padding-top: 94px;
  }

  .contact {
    margin-top: 88px;
    padding: 46px 24px;
  }
}

@media (max-width: 620px) {
  .section-shell,
  .site-footer {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    width: min(100% - 24px, 1180px);
  }

  .brand {
    gap: 9px;
    font-size: 0.68rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.8rem);
  }

  h2 {
    font-size: clamp(2.4rem, 13vw, 3.6rem);
  }

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

  .hero-panel {
    min-height: 520px;
  }

  .phone-frame {
    inset: 0 0 0 0;
    border-radius: 42px;
  }

  .preview-stack article:nth-child(2),
  .preview-stack article:nth-child(3) {
    transform: none;
  }

  .preview-stack strong {
    font-size: 1.9rem;
  }

  .signal-card {
    right: 14px;
    bottom: 22px;
    width: calc(100% - 28px);
  }

  .metrics strong,
  .product-card h3,
  .product-card:not(.feature-card) h3 {
    font-size: 2.5rem;
  }

  .product-card {
    min-height: 300px;
    padding: 24px;
  }

  .product-card h3,
  .product-card:not(.feature-card) h3 {
    margin-top: 60px;
  }

  .platform-visual {
    min-height: 380px;
  }
}