:root {
  --color-primary: #0b2a6f;
  --color-primary-dark: #061a45;
  --color-accent: #16bdeb;
  --color-accent-dark: #078db7;
  --color-accent-soft: #e7f8fd;
  --color-bg: #f8fbff;
  --color-surface: #ffffff;
  --color-text: #102033;
  --color-muted: #5e6b7a;
  --color-border: #dce8f2;
  --shadow-sm: 0 10px 30px rgba(6, 26, 69, 0.08);
  --shadow-lg: 0 24px 70px rgba(6, 26, 69, 0.14);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-dark);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--color-primary-dark);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-top: 0;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(220, 232, 242, 0.85);
  background: rgba(248, 251, 255, 0.92);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-primary-dark);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  object-fit: cover;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
  color: var(--color-text);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-accent-soft);
}

main {
  min-height: calc(100vh - 250px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 9vw, 7.5rem) 0;
  background:
    radial-gradient(circle at 78% 25%, rgba(22, 189, 235, 0.22), transparent 25rem),
    linear-gradient(145deg, #ffffff 0%, #eef9ff 100%);
}

.hero::after {
  position: absolute;
  right: -8rem;
  bottom: -14rem;
  width: 32rem;
  height: 32rem;
  border: 3rem solid rgba(11, 42, 111, 0.04);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 22px;
  height: 3px;
  border-radius: 99px;
  background: var(--color-accent);
  content: "";
}

.hero-copy {
  max-width: 680px;
}

.hero-copy p {
  max-width: 650px;
  color: var(--color-muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.hero-logo {
  width: min(100%, 340px);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid rgba(220, 232, 242, 0.8);
  border-radius: 30px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.8rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.72rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), #1153b5);
  box-shadow: 0 8px 20px rgba(11, 42, 111, 0.18);
  font-weight: 750;
  text-decoration: none;
}

.button:hover {
  color: #fff;
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.button-secondary {
  border-color: var(--color-border);
  color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: none;
}

.button-secondary:hover {
  color: var(--color-primary-dark);
  background: var(--color-accent-soft);
}

.button-disabled,
.button-disabled:hover {
  cursor: default;
  color: var(--color-muted);
  background: #edf3f8;
  box-shadow: none;
  transform: none;
}

.section {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.section-alt {
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
}

.section-heading {
  max-width: 700px;
  margin-bottom: 2rem;
}

.section-heading p,
.muted,
.card p {
  color: var(--color-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}

.card-grid-single {
  grid-template-columns: minmax(0, 560px);
}

.card {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.card-accent {
  position: relative;
  overflow: hidden;
}

.card-accent::before {
  display: block;
  width: 58px;
  height: 5px;
  margin-bottom: 1.5rem;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  content: "";
}

.app-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.app-heading h1,
.app-heading h3 {
  margin-bottom: 0;
}

.app-icon,
.app-icon-placeholder {
  width: 72px;
  height: 72px;
  flex: 0 0 72px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: 0 8px 22px rgba(6, 26, 69, 0.12);
}

.app-icon {
  object-fit: cover;
}

.app-icon-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, var(--color-primary), var(--color-accent));
}

.app-icon-placeholder::before {
  width: 24px;
  height: 32px;
  border: 4px solid #fff;
  border-radius: 50% 50% 50% 0;
  content: "";
  transform: rotate(-45deg);
}

.app-icon-placeholder::after {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff;
  content: "";
}

.app-hero-heading {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.app-hero-heading h1 {
  margin-bottom: 0;
}

.app-hero-heading .app-icon,
.app-hero-heading .app-icon-placeholder {
  width: 88px;
  height: 88px;
  flex-basis: 88px;
  border-radius: 22px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.5rem;
  font-weight: 750;
  text-decoration: none;
}

.text-link::after {
  content: "\2192";
}

.page-hero {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 90% 10%, rgba(22, 189, 235, 0.2), transparent 22rem),
    linear-gradient(150deg, #fff, #eef8ff);
}

.page-hero h1 {
  max-width: 850px;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
}

.page-hero p {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 1.15rem;
}

.badge {
  display: inline-flex;
  margin-bottom: 1.1rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid #bfeaf6;
  border-radius: 999px;
  color: var(--color-primary);
  background: var(--color-accent-soft);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: start;
  gap: 2rem;
}

.content-stack {
  display: grid;
  gap: 1.2rem;
}

.content-section {
  scroll-margin-top: 100px;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.content-section > :last-child {
  margin-bottom: 0;
}

.side-card {
  position: sticky;
  top: 100px;
}

.side-card ul,
.feature-list {
  margin: 0;
  padding-left: 1.2rem;
}

.feature-list li,
.side-card li {
  margin: 0.5rem 0;
}

.screenshots-section .section-heading {
  margin-bottom: 1.5rem;
}

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

.screenshot-thumb {
  min-width: 0;
  padding: 0.45rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: linear-gradient(145deg, #eef8ff, #fff);
  box-shadow: var(--shadow-sm);
  cursor: zoom-in;
}

.screenshot-thumb:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.screenshot-thumb img {
  width: 100%;
  height: min(48vw, 390px);
  border-radius: 14px;
  object-fit: contain;
}

.lightbox[hidden] {
  display: none;
}

.lightbox {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.4rem, 2vw, 1.5rem);
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(2, 10, 28, 0.92);
}

.lightbox-image {
  max-width: 100%;
  max-height: calc(100vh - 4rem);
  margin-inline: auto;
  border-radius: 22px;
  object-fit: contain;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  color: #fff;
  background: rgba(11, 42, 111, 0.8);
  font: inherit;
  font-size: 2rem;
  line-height: 1;
  place-items: center;
  cursor: pointer;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-accent-dark);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.lightbox-open {
  overflow: hidden;
}

.policy-meta {
  margin-bottom: 1.8rem;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-soft);
}

.policy-meta p {
  margin: 0.15rem 0;
}

.site-footer {
  padding: 2.5rem 0;
  color: #cbd8ec;
  background: var(--color-primary-dark);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #dcecff;
}

.footer-links a:hover {
  color: var(--color-accent);
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.8rem 0;
  }

  .site-header {
    position: static;
  }

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

  .hero-grid,
  .card-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    width: min(75%, 300px);
  }

  .app-hero-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-heading {
    align-items: flex-start;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy .eyebrow,
  .hero-copy .actions {
    justify-content: center;
  }

  .side-card {
    position: static;
  }

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

  .screenshot-thumb img {
    height: min(72vw, 430px);
  }

  .lightbox {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 0.75rem;
    padding: 4rem 1rem 1rem;
  }

  .lightbox-image {
    grid-column: 1 / -1;
    grid-row: 1;
    max-height: calc(100vh - 10rem);
  }

  .lightbox-prev,
  .lightbox-next {
    justify-self: center;
  }
}

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