:root {
  color-scheme: light;
  --graphite: #151922;
  --blue-950: #0b1e3a;
  --blue-700: #2563eb;
  --cyan: #16c7e8;
  --gray-50: #f4f7fa;
  --gray-100: #e8edf3;
  --gray-300: #cad3df;
  --gray-600: #586273;
  --white: #ffffff;
  --green: #22c55e;
  --red: #ef4444;
  --shadow: 0 24px 70px rgba(11, 30, 58, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--graphite);
  background: var(--gray-50);
  font-family: "Segoe UI", Inter, Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(244, 247, 250, 0.92);
  border-bottom: 1px solid rgba(202, 211, 223, 0.7);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-950), var(--blue-700));
  border-radius: 8px;
  font-size: 13px;
}

.main-nav {
  display: flex;
  gap: 22px;
  color: var(--gray-600);
  font-size: 15px;
}

.main-nav a:hover,
.text-link:hover {
  color: var(--blue-700);
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 700;
}

.header-cta {
  padding: 0 16px;
  color: var(--white);
  background: var(--graphite);
}

.button {
  padding: 0 20px;
}

.button.primary {
  color: var(--white);
  background: var(--blue-700);
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.28);
}

.button.secondary {
  color: var(--graphite);
  background: var(--white);
  border: 1px solid var(--gray-300);
}

.text-link {
  display: inline-flex;
  color: var(--blue-700);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(390px, 0.86fr);
  gap: clamp(30px, 5vw, 64px);
  min-height: calc(78vh - 69px);
  align-items: center;
  padding: clamp(34px, 5vw, 58px) clamp(20px, 5vw, 72px) 34px;
  background: linear-gradient(180deg, #fbfdff 0%, #f4f7fa 100%);
}

.eyebrow,
.section-kicker {
  margin-bottom: 12px;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 780;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(44px, 6vw, 74px);
  line-height: 1;
}

.hero-lead {
  max-width: 680px;
  color: #334155;
  font-size: clamp(19px, 1.9vw, 23px);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  color: #1e3a5f;
  background: #eaf2ff;
  border: 1px solid #d7e7ff;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 16px;
}

.trust-line {
  max-width: 720px;
  color: var(--gray-600);
  font-size: 15px;
}

.product-preview {
  overflow: hidden;
  min-height: 430px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.product-shot {
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(202, 211, 223, 0.9);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.product-shot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-shot img {
  object-position: center;
}

.shot-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  color: #334155;
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--gray-100);
  font-size: 14px;
}

.shot-caption strong {
  color: var(--graphite);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 16px;
  color: #dbeafe;
  background: #0b1220;
}

.window-bar span {
  width: 11px;
  height: 11px;
  background: #334155;
  border-radius: 50%;
}

.window-bar strong {
  margin-left: 10px;
  font-size: 14px;
}

.preview-body {
  display: grid;
  grid-template-columns: 118px 1fr;
  min-height: 388px;
}

.preview-sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 12px;
  color: #94a3b8;
  background: #0f172a;
}

.preview-sidebar span {
  padding: 10px;
  border-radius: 7px;
  font-size: 13px;
}

.preview-sidebar .active {
  color: var(--white);
  background: rgba(37, 99, 235, 0.24);
}

.preview-main {
  padding: 18px 20px 20px;
  color: var(--white);
}

.preview-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.preview-heading p {
  margin: 0;
  color: #93c5fd;
  font-size: 13px;
  font-weight: 700;
}

.preview-heading h2 {
  margin: 0;
  color: #f8fafc;
  font-size: 24px;
}

.status-row,
.module-grid div,
.checklist span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-row {
  justify-content: space-between;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
}

.status-row p {
  margin: 0 auto 0 0;
  color: #dbeafe;
}

.status {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.status.ok {
  background: var(--green);
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.7);
}

.status.warn {
  background: var(--red);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.55);
}

.task-input {
  margin: 12px 0;
  padding: 14px;
  color: #bfdbfe;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(22, 199, 232, 0.3);
  border-radius: 10px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.module-grid div,
.checklist {
  padding: 12px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.checklist {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  color: #cbd5e1;
}

.checklist p {
  margin-bottom: 4px;
  color: var(--white);
  font-weight: 740;
}

.split-section,
.section,
.showcase,
.trust-section,
.store-band,
.content-page {
  padding: clamp(56px, 8vw, 92px) clamp(20px, 5vw, 72px);
}

.split-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  background: var(--white);
}

.split-section > div,
.feature-card,
.use-case-list article,
.page-card,
.faq-preview details {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 8px;
}

.split-section > div {
  padding: clamp(24px, 4vw, 38px);
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

h3 {
  line-height: 1.22;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

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

.feature-card {
  padding: 24px;
}

.feature-card h3,
.use-case-list h3 {
  font-size: 20px;
}

.feature-icon {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--blue-700);
  font-weight: 800;
}

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 34px;
  align-items: center;
  color: var(--white);
  background: var(--blue-950);
}

.showcase .section-kicker,
.store-band .section-kicker {
  color: var(--cyan);
}

.showcase p {
  color: #cbd5e1;
}

.screenshot-stack {
  display: grid;
  gap: 14px;
}

.screenshot-gallery {
  display: grid;
  gap: 14px;
}

.screenshot-gallery figure,
.page-shot-grid figure {
  overflow: hidden;
  margin: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.screenshot-gallery img,
.page-shot-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.screenshot-gallery figcaption,
.page-shot-grid figcaption {
  padding: 10px 12px;
  color: #dbeafe;
  font-size: 14px;
  font-weight: 700;
}

.gallery-main img {
  object-position: center;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.screen-card {
  min-height: 150px;
  display: grid;
  place-items: center;
  padding: 22px;
  color: #dbeafe;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(22, 199, 232, 0.11));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  font-weight: 740;
  text-align: center;
}

.screen-card.large {
  min-height: 260px;
}

.screen-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.use-case-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.use-case-list article {
  padding: 22px;
}

.trust-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 32px;
  align-items: start;
  background: var(--white);
}

.trust-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  padding: 16px 18px;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 8px;
}

.store-band {
  color: var(--white);
  background: linear-gradient(135deg, var(--graphite), var(--blue-950));
  text-align: center;
}

.store-band p {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
  color: #dbeafe;
}

.faq-preview {
  max-width: 980px;
  margin: 0 auto;
}

.faq-preview details,
.content-page details {
  margin-bottom: 12px;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 760;
}

details p {
  margin: 12px 0 0;
  color: var(--gray-600);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 5vw, 72px);
  color: #cbd5e1;
  background: #0b1220;
}

.site-footer p {
  margin: 6px 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.content-page {
  max-width: 1120px;
  margin: 0 auto;
}

.content-hero {
  margin-bottom: 36px;
}

.content-hero h1 {
  max-width: 880px;
  font-size: clamp(42px, 7vw, 68px);
  line-height: 1.02;
}

.content-hero p {
  max-width: 760px;
  color: var(--gray-600);
  font-size: 20px;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.page-shot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.page-shot-grid figure {
  background: var(--white);
  border-color: var(--gray-100);
}

.page-shot-grid figcaption {
  color: var(--graphite);
}

.page-card {
  padding: 24px;
}

.page-card h2 {
  font-size: 24px;
}

.notice {
  padding: 18px 20px;
  margin: 24px 0;
  color: #78350f;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
}

.numbered-list {
  display: grid;
  gap: 12px;
  padding-left: 22px;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }

  .hero,
  .split-section,
  .showcase,
  .trust-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .feature-grid,
  .use-case-list,
  .page-grid,
  .page-shot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header-cta {
    display: none;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
  }

  .product-preview {
    min-height: auto;
  }

  .preview-body {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    flex-direction: row;
    overflow-x: auto;
  }

  .module-grid,
  .feature-grid,
  .use-case-list,
  .screen-row,
  .page-grid,
  .page-shot-grid,
  .gallery-thumbs {
    grid-template-columns: 1fr;
  }

  .hero h1,
  .content-hero h1 {
    font-size: 42px;
  }
}