:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f6f7fb;
  --surface-2: #eef2ff;
  --surface-3: #f8fafc;
  --text: #0b1220;
  --muted: #5b6472;
  --border: rgba(15, 23, 42, 0.12);
  --border-strong: rgba(15, 23, 42, 0.18);
  --primary: #4f46e5;
  --primary-2: #2563eb;
  --primary-dark: #3730a3;
  --success: #047857;
  --warning: #b45309;
  --shadow-sm: 0 10px 24px rgba(2, 6, 23, 0.08);
  --shadow-md: 0 18px 50px rgba(2, 6, 23, 0.12);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --max-width: 1180px;
  --header-height: 78px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
  color: var(--text);
  line-height: 1.6;
}

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

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

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 120;
  padding: 0.8rem 1rem;
  background: var(--text);
  color: #fff;
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--max-width), calc(100% - 2.5rem));
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section--alt {
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.03), rgba(37, 99, 235, 0.02));
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.section-head {
  max-width: 860px;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-head--left {
  margin-left: 0;
  text-align: left;
}

.section-head h2,
.hero h1,
.site-footer h2 {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.55rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.section-head h2 {
  font-size: clamp(1.65rem, 4vw, 2.8rem);
}

.section-lead,
.lead {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.site-header.is-scrolled {
  box-shadow: 0 16px 36px rgba(2, 6, 23, 0.08);
}

.header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand__mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.28);
}

.brand__text {
  display: grid;
}

.brand__name {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand__tag {
  color: var(--muted);
  font-size: 0.86rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav a {
  position: relative;
  font-weight: 700;
  color: rgba(11, 18, 32, 0.76);
  padding: 0.35rem 0;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 14px;
  padding: 0.65rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 999px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.74);
}

.language-switch__btn {
  padding: 0.42rem 0.85rem;
  font-weight: 700;
  color: rgba(11, 18, 32, 0.58);
}

.language-switch__btn.is-active {
  background: rgba(79, 70, 229, 0.12);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.95rem 1.4rem;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn--sm {
  padding: 0.68rem 1rem;
  font-size: 0.94rem;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 34px rgba(79, 70, 229, 0.24);
}

.btn--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--border);
}

.hero {
  padding-top: 3.5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 2rem;
  align-items: start;
}

.hero__copy {
  padding-top: 1rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary-dark);
  font-size: 0.92rem;
  font-weight: 700;
}

.pill--soft {
  background: rgba(15, 23, 42, 0.05);
  color: var(--muted);
}

.hero__visual {
  display: grid;
  gap: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1rem;
}

.stat-card strong {
  display: block;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.3rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

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

.info-card,
.manifest-card,
.code-card,
.footer-card,
.note-card,
.workflow-card,
.module-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.info-card,
.manifest-card,
.footer-card,
.note-card,
.code-card {
  padding: 1.25rem;
}

.info-card h3,
.workflow-card h3,
.module-card h3,
.note-card h3,
.footer-card h3,
.code-card__label {
  margin: 0 0 0.6rem;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.info-card p,
.manifest-card p,
.workflow-card p,
.module-card p,
.note-card p,
.footer-card p {
  margin: 0;
  color: var(--muted);
}

.info-card--accent {
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.06), rgba(255, 255, 255, 0.96));
}

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

.workflow-card {
  padding: 1.15rem;
  display: grid;
  gap: 1rem;
}

.module-list {
  display: grid;
  gap: 1rem;
}

.module-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1.2rem;
  padding: 1.15rem;
  align-items: start;
}

.checklist,
.bullet-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.checklist li,
.bullet-list li {
  position: relative;
  padding-left: 1.7rem;
  margin-top: 0.8rem;
  color: var(--muted);
}

.checklist li::before,
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
}

.checklist li::before {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.bullet-list li::before {
  background: rgba(15, 23, 42, 0.18);
}

.shot-stack {
  display: grid;
  gap: 1rem;
}

.support-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.92fr);
  gap: 1.2rem;
  align-items: start;
}

.note-card {
  margin-top: 1.2rem;
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.06), rgba(255, 255, 255, 0.98));
}

.note-card--warning {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.12), rgba(255, 255, 255, 0.98));
}

.setup-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: 1.2rem;
  margin-top: 1rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline__item {
  position: relative;
  padding: 1rem 1rem 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline__item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
}

.timeline__item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.timeline__item p {
  margin: 0;
  color: var(--muted);
}

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

.code-card__label {
  display: block;
}

.code-card pre {
  margin: 0.75rem 0 0;
  padding: 1rem;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  color: var(--primary-dark);
  font-weight: 700;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--primary);
}

.shot-card {
  margin: 0;
}

.shot-card__frame {
  position: relative;
  min-height: 250px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(79, 70, 229, 0.06));
  border: 1px dashed rgba(79, 70, 229, 0.28);
  box-shadow: var(--shadow-sm);
}

.shot-card__image {
  display: none;
  width: 100%;
  height: auto;
}

.shot-card__placeholder {
  min-height: 250px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 0.75rem;
  padding: 1.25rem;
}

.shot-card.is-loaded .shot-card__placeholder {
  display: none;
}

.shot-card__badge {
  display: inline-flex;
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.12);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.shot-card__placeholder strong {
  font-size: 1.05rem;
}

.shot-card__placeholder p {
  margin: 0;
  color: var(--muted);
}

.shot-card__placeholder code,
.manifest-card code {
  display: inline-block;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.08);
  word-break: break-all;
}

.shot-card__caption {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.manifest-card {
  display: grid;
  gap: 0.7rem;
}

.manifest-card h3 {
  margin: 0;
  font-size: 1rem;
}

.faq-layout {
  max-width: 980px;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

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

.faq-item p {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.site-footer {
  padding: 4rem 0 5rem;
  background: #0f172a;
  color: #e5e7eb;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.2rem;
  align-items: start;
}

.site-footer .eyebrow {
  color: #a5b4fc;
}

.site-footer h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

.site-footer p {
  color: rgba(229, 231, 235, 0.8);
}

.footer-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.footer-card__meta {
  margin-top: 1rem;
  font-size: 0.92rem;
}

.footer-card a {
  color: #c7d2fe;
}

.cta-group--footer .btn--ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

@media (max-width: 1100px) {
  .card-grid--3,
  .manifest-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module-card,
  .setup-layout,
  .support-panel,
  .hero__grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a::after {
    display: none;
  }

  .header__inner {
    position: relative;
    flex-wrap: wrap;
    padding: 0.9rem 0;
  }

  .header__actions {
    width: 100%;
    justify-content: space-between;
  }

  .workflow-grid,
  .card-grid--3,
  .manifest-grid,
  .code-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(var(--max-width), calc(100% - 1.2rem));
  }

  .header__actions {
    flex-wrap: wrap;
    gap: 0.65rem;
  }

  .brand__tag {
    display: none;
  }

  .cta-group,
  .hero__meta,
  .cta-group--footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .btn--sm {
    width: 100%;
  }

  .shot-card__frame,
  .shot-card__placeholder {
    min-height: 215px;
  }
}