:root {
  --color-cream-50: #fbf3ea;
  --color-cream-100: #f4e6d7;
  --color-cream-200: #ead6c3;
  --color-graphite-900: #1e2a2f;
  --color-graphite-700: #344148;
  --color-graphite-500: #657077;
  --color-bronze-600: #b57947;
  --color-bronze-700: #956237;
  --color-bronze-100: #ead0b9;
  --color-surface: rgba(255, 250, 244, 0.82);
  --color-line: rgba(30, 42, 47, 0.12);
  --shadow-soft: 0 18px 50px rgba(56, 41, 29, 0.08);
  --radius-card: 18px;
  --radius-control: 999px;
  --container: min(1120px, calc(100vw - 40px));
  --font-main: Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-graphite-900);
  font-family: var(--font-main);
  background: linear-gradient(
      180deg,
      rgba(255, 250, 244, 0.42),
      rgba(244, 230, 215, 0.92)
    ),
    var(--color-cream-50);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image: linear-gradient(
      rgba(30, 42, 47, 0.035) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(30, 42, 47, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.34), transparent 76%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  width: var(--container);
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(16px);
}

.brand,
.site-nav,
.hero__actions,
.contact__panel {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand__mark {
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.site-nav {
  justify-content: flex-end;
  gap: clamp(14px, 2.3vw, 30px);
  color: var(--color-graphite-700);
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--color-bronze-700);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 0.94rem;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease,
    background 180ms ease;
}

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

.button--small {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 0.86rem;
}

.button--primary {
  color: #fffaf4;
  background: var(--color-graphite-900);
}

.button--primary:hover {
  background: #111a1e;
}

.button--secondary {
  color: var(--color-graphite-900);
  border-color: var(--color-bronze-100);
  background: rgba(255, 250, 244, 0.62);
}

.button--secondary:hover {
  border-color: var(--color-bronze-600);
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(44px, 6vw, 88px);
  align-items: center;
  min-height: calc(84svh - 80px);
  padding: 28px 0 44px;
}

.hero__content {
  max-width: 640px;
}

.eyebrow,
.section-label,
.card__index,
.step span,
.architecture-card span,
.gallery-card span,
.gallery-feature__caption span {
  color: var(--color-bronze-700);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1,
h2 {
  letter-spacing: 0;
  line-height: 1.02;
}

h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(2.9rem, 4.7vw, 4.8rem);
  font-weight: 800;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2.1rem, 4vw, 4rem);
  font-weight: 800;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.12rem;
}

p {
  color: var(--color-graphite-500);
  line-height: 1.7;
}

.hero__text {
  max-width: 560px;
  margin-bottom: 34px;
  font-size: 1.1rem;
}

.hero__actions {
  flex-wrap: wrap;
  gap: 12px;
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 410px;
}

.hero__visual::before,
.hero__visual::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(181, 121, 71, 0.36);
  border-radius: 50%;
}

.hero__visual::before {
  width: min(92%, 560px);
  aspect-ratio: 1;
}

.hero__visual::after {
  width: min(68%, 410px);
  aspect-ratio: 1;
  border-color: rgba(30, 42, 47, 0.08);
}

.hero__image-shell {
  position: relative;
  z-index: 1;
  width: min(82%, 470px);
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid rgba(181, 121, 71, 0.2);
  border-radius: 50%;
  background: rgba(255, 250, 244, 0.72);
  box-shadow: var(--shadow-soft);
}

.hero__image-shell img {
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
}

.repo-panel {
  position: absolute;
  right: 0;
  bottom: 34px;
  z-index: 2;
  width: min(78%, 360px);
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.repo-panel__topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.repo-panel__topline span,
.repo-panel__meta,
.repo-panel pre {
  color: var(--color-graphite-500);
}

.repo-panel__topline span {
  color: var(--color-graphite-900);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.repo-panel__topline strong {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-radius: var(--radius-control);
  color: var(--color-bronze-700);
  background: rgba(181, 121, 71, 0.12);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.repo-panel__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(30, 42, 47, 0.1);
  font-size: 0.86rem;
  font-weight: 750;
}

.repo-panel pre {
  margin: 0;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(30, 42, 47, 0.1);
  border-radius: 12px;
  background: rgba(255, 250, 244, 0.68);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.58;
  white-space: pre-wrap;
}

.intro,
.features,
.process,
.architecture,
.gallery,
.contact {
  padding: 92px 0;
  border-top: 1px solid var(--color-line);
}

.intro {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(30px, 7vw, 96px);
}

.intro__copy {
  max-width: 830px;
}

.intro__copy p,
.section-heading > p,
.section-heading--split > p {
  max-width: 660px;
  font-size: 1.04rem;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}

.section-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 36px;
  max-width: none;
  align-items: end;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.step,
.gallery-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.card {
  min-height: 270px;
  padding: 32px;
}

.card__index {
  display: inline-block;
  margin-bottom: 54px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(181, 121, 71, 0.36);
}

.step {
  position: relative;
  min-height: 245px;
  margin-top: -1px;
  padding: 30px 24px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  background: rgba(255, 250, 244, 0.58);
}

.step::before {
  position: absolute;
  top: -8px;
  left: 24px;
  width: 15px;
  height: 15px;
  border: 3px solid var(--color-cream-50);
  border-radius: 50%;
  background: var(--color-bronze-600);
  content: "";
}

.step span {
  display: inline-block;
  margin-bottom: 44px;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.architecture-card {
  min-height: 290px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: linear-gradient(
      180deg,
      rgba(255, 250, 244, 0.88),
      rgba(255, 250, 244, 0.62)
    ),
    var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.architecture-card span {
  display: inline-block;
  margin-bottom: 56px;
}

.architecture-card--dark {
  background: var(--color-graphite-900);
}

.architecture-card--dark h3,
.architecture-card--dark p {
  color: #fffaf4;
}

.architecture-card--dark span {
  color: var(--color-bronze-100);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: repeat(2, minmax(210px, auto));
  gap: 18px;
}

.gallery-feature {
  position: relative;
  display: grid;
  align-items: stretch;
  grid-row: span 2;
  min-height: 470px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.product-window {
  display: flex;
  min-height: 100%;
  padding: 26px;
  flex-direction: column;
  background: linear-gradient(
      135deg,
      rgba(30, 42, 47, 0.96),
      rgba(52, 65, 72, 0.88)
    ),
    var(--color-graphite-900);
}

.product-window__bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.product-window__bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(234, 208, 185, 0.8);
}

.product-window__body {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 18px;
  flex: 1;
}

.repo-tree,
.pipeline-list {
  padding: 18px;
  border: 1px solid rgba(255, 250, 244, 0.14);
  border-radius: 14px;
  background: rgba(255, 250, 244, 0.06);
}

.repo-tree {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.repo-tree strong,
.pipeline-list strong {
  color: #fffaf4;
}

.repo-tree span,
.pipeline-list span {
  color: var(--color-bronze-100);
  font-size: 0.84rem;
  font-weight: 700;
}

.pipeline-list {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
}

.pipeline-list p {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 250, 244, 0.1);
  line-height: 1.35;
}

.gallery-feature__caption {
  position: absolute;
  right: 22px;
  bottom: 22px;
  left: 22px;
  padding: 18px;
  border: 1px solid rgba(255, 250, 244, 0.55);
  border-radius: 14px;
  background: rgba(30, 42, 47, 0.82);
  backdrop-filter: blur(14px);
}

.gallery-feature__caption strong {
  display: block;
  margin-top: 6px;
  color: #fffaf4;
  font-size: 1.2rem;
}

.gallery-card {
  display: flex;
  min-height: 210px;
  padding: 26px;
  flex-direction: column;
  justify-content: flex-end;
}

.gallery-card strong {
  display: block;
  max-width: 260px;
  margin-top: 10px;
  font-size: 1.16rem;
  line-height: 1.35;
}

.gallery-card:nth-child(3) {
  background: var(--color-graphite-900);
}

.gallery-card:nth-child(3) strong {
  color: #fffaf4;
}

.gallery-card:nth-child(3) span {
  color: var(--color-bronze-100);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: 48px;
  align-items: center;
  padding-bottom: 70px;
}

.contact h2 {
  max-width: 780px;
}

.contact__panel {
  align-items: stretch;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  flex-direction: column;
  gap: 10px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 64px;
  padding: 0 18px;
  border: 1px solid rgba(30, 42, 47, 0.1);
  border-radius: 14px;
  color: var(--color-graphite-900);
  background: rgba(255, 250, 244, 0.56);
  transition: border-color 180ms ease, background 180ms ease,
    transform 180ms ease;
}

.social-link:hover {
  transform: translateY(-1px);
  border-color: rgba(181, 121, 71, 0.4);
  background: rgba(255, 250, 244, 0.82);
}

.social-link span {
  color: var(--color-bronze-700);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.social-link strong {
  font-size: 1rem;
  font-weight: 800;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero,
  .intro,
  .section-heading--split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

  .hero__visual {
    min-height: 440px;
  }

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

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 28px, 1120px);
  }

  .site-header {
    padding: 14px 0;
  }

  .brand__mark {
    width: 36px;
    height: 36px;
  }

  .button--small {
    min-height: 38px;
    padding-inline: 14px;
  }

  h1 {
    font-size: clamp(2.55rem, 12vw, 3.8rem);
  }

  .hero {
    padding-bottom: 74px;
  }

  .hero__visual {
    min-height: 350px;
  }

  .hero__image-shell {
    width: min(88%, 340px);
  }

  .repo-panel {
    right: 8px;
    bottom: 18px;
    width: min(92%, 330px);
  }

  .intro,
  .features,
  .process,
  .architecture,
  .gallery,
  .contact {
    padding: 68px 0;
  }

  .feature-grid,
  .architecture-grid,
  .timeline,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .card,
  .step,
  .gallery-card {
    min-height: auto;
  }

  .card__index,
  .step span {
    margin-bottom: 34px;
  }

  .gallery-feature {
    min-height: 360px;
  }

  .product-window {
    padding: 18px;
  }

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