:root {
  color-scheme: dark;

  --bg: #050608;
  --bg-soft: #0a0d12;
  --panel: #0f141b;
  --panel-strong: #141a23;

  --text: #f4f7fb;
  --muted: #9aa4b2;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(8, 113, 228, 0.45);

  --accent: #0871e4;
  --accent-soft: rgba(8, 113, 228, 0.18);
  --accent-glow: rgba(8, 113, 228, 0.28);

  --max-width: 72rem;
  --radius: 22px;
  --radius-sm: 16px;

  --shadow: 0 22px 48px rgba(0, 0, 0, 0.35);

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  font-family: "Inter", "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top, rgba(8, 113, 228, 0.16), transparent 34%),
    radial-gradient(circle at 15% 10%, rgba(8, 113, 228, 0.08), transparent 20%),
    linear-gradient(180deg, #07090c 0%, #0a0d12 42%, #050608 100%);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  color: #dcecff;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(220, 236, 255, 0.55);
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: min(100% - 1.5rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 6, 8, 0.78);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.brand span {
  font-size: 1rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

nav a {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

nav a:hover,
nav a:focus-visible,
nav a[aria-current="page"] {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-1px);
}

main {
  padding: var(--space-4) 0 var(--space-5);
}

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

h1,
h2,
h3 {
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 4.7rem);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-3);
}

h2 {
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

h3 {
  font-size: 1.08rem;
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-3);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  margin-bottom: var(--space-2);
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 0.65rem;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.7;
}

.lead,
.page p,
.small-note,
.body-copy {
  color: var(--muted);
}

.lead {
  margin-bottom: var(--space-3);
}

.tagline {
  font-size: clamp(1.02rem, 2.8vw, 1.2rem);
  color: var(--text);
  max-width: 33rem;
  margin-bottom: var(--space-3);
}

/* Header / page structure */

.hero {
  padding: var(--space-4) 0 var(--space-3);
}

.hero-grid,
.content-grid,
.about-grid,
.learn-grid {
  display: grid;
  gap: var(--space-4);
}

.hero-copy {
  max-width: 40rem;
}

.section {
  margin-top: var(--space-6);
}

.section-heading {
  margin-bottom: var(--space-4);
  max-width: 44rem;
}

.content-grid,
.feature-grid,
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

/* Buttons */

.cta-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
}

.button,
.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.button {
  background: linear-gradient(180deg, #0b7aef 0%, #0765ca 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 34px rgba(8, 113, 228, 0.24);
}

.button-secondary,
.button-ghost {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

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

.button-secondary:hover,
.button-secondary:focus-visible,
.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--border-strong);
  background: rgba(8, 113, 228, 0.12);
}

.button[aria-disabled="true"] {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  box-shadow: none;
  color: var(--muted);
  cursor: default;
}

.button[aria-disabled="true"]:hover,
.button[aria-disabled="true"]:focus-visible {
  transform: none;
}

/* Hero media */

.hero-media,
.panel,
.feature-card,
.screenshot-card,
.contact-card,
.legal-card,
.page {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: var(--shadow);
}

.hero-media {
  border-radius: var(--radius);
  padding: var(--space-3);
  overflow: hidden;
}

.hero-media--plain {
  border: 0;
  background: none;
  box-shadow: none;
  padding: 0;
  display: flex;
  justify-content: center;
  overflow: visible;
}

.app-icon {
  width: min(68vw, 260px);
  height: auto;
  border-radius: 24px;
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.42),
    0 0 42px rgba(8, 113, 228, 0.12);
  background: transparent;
}

.logo-shell {
  display: grid;
  place-items: center;
  min-height: 16rem;
  border-radius: calc(var(--radius) - 4px);
  background:
    radial-gradient(circle at 50% 40%, rgba(8, 113, 228, 0.2), transparent 42%),
    linear-gradient(180deg, #0d1218 0%, #0a0f15 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.logo-shell img {
  width: min(72%, 16rem);
  height: auto;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.5));
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
  border-radius: 0;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.badge::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* Cards */

.feature-card,
.panel,
.contact-card,
.legal-card,
.screenshot-card {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
}

.feature-card {
  min-width: 0;
  min-height: 100%;
}

.feature-card .accent-line,
.accent-line {
  width: 3rem;
  height: 0.2rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), rgba(8, 113, 228, 0.1));
  box-shadow: 0 0 18px rgba(8, 113, 228, 0.3);
  margin-bottom: var(--space-2);
}

.feature-card h3 {
  margin-bottom: var(--space-1);
}

.feature-card p,
.screenshot-card p,
.legal-card p,
.contact-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.text-block {
  max-width: 42rem;
}

/* Learn More */

.learn-cards,
.feature-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  align-items: stretch;
}

/* Screenshot carousel */

.screenshot-carousel,
.carousel {
  margin-top: var(--space-3);
  position: relative;
  overflow: hidden;
}

.screenshot-track,
.carousel-track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--space-3);
  padding: 4px 2px var(--space-3);
  scrollbar-width: none;
}

.screenshot-track::-webkit-scrollbar,
.carousel-track::-webkit-scrollbar {
  display: none;
}

.screenshot-card {
  flex: 0 0 min(360px, 82vw);
  scroll-snap-align: start;
  margin: 0;
  padding: var(--space-4);
}

.screenshot-card figure {
  margin: 0;
}

.screenshot-card img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  border-radius: calc(var(--radius-sm) - 4px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(8, 12, 18, 0.65);
}

.screenshot-card figcaption {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.carousel-dot[aria-selected="true"] {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(8, 113, 228, 0.55);
}

/* Generic page cards */

.page {
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 48px);
}

.page h1 {
  font-size: clamp(2rem, 6vw, 3.3rem);
}

.page h2 {
  margin-top: var(--space-4);
}

.page p,
.page li {
  color: var(--muted);
}

.page p:last-child,
.page li:last-child {
  margin-bottom: 0;
}

.page ul,
.page ol {
  padding-left: 1.2rem;
}

.page a,
.contact-card a,
.legal-card a {
  color: #dcecff;
  text-decoration: underline;
}

.page a.button,
.page a.button-secondary,
.page a.button-ghost,
.contact-card a.button,
.contact-card a.button-secondary,
.contact-card a.button-ghost,
.legal-card a.button,
.legal-card a.button-secondary,
.legal-card a.button-ghost {
  text-decoration: none;
}

.page a:hover,
.page a:focus-visible,
.contact-card a:hover,
.contact-card a:focus-visible,
.legal-card a:hover,
.legal-card a:focus-visible {
  color: #ffffff;
}

.fine-print {
  font-size: 0.92rem;
  color: var(--muted);
}

.contact-card strong,
.legal-card strong {
  color: var(--text);
}

.section-surface {
  margin-top: 1rem;
}

/* Footer */

.footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 6, 8, 0.88);
}

.footer-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) 0;
}

.footer-copy {
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-links a {
  color: #c9d6e8;
  padding: 0.4rem 0;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(220, 236, 255, 0.4);
}

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

/* Global non-underlined interactive styles */

nav a,
.brand,
.button,
.button-secondary,
.button-ghost {
  text-decoration: none;
}

/* Responsive */

@media (min-width: 720px) {
  .nav-wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  main {
    padding-top: var(--space-5);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    align-items: center;
  }

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

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

  .about-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .cta-row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hero {
    padding-inline: 0;
  }

  .footer-wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .content-grid,
  .feature-grid,
  .learn-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .screenshot-card {
    flex-basis: 360px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1rem, var(--max-width));
  }

  .page {
    padding: 22px;
  }

  .feature-card,
  .panel,
  .contact-card,
  .legal-card,
  .screenshot-card {
    padding: 20px;
  }

  .screenshot-card {
    flex-basis: 86vw;
  }

  .screenshot-card img {
    height: 360px;
  }
}