/* =========================================================
   1. Design tokens
   ========================================================= */

:root {
  --color-bg: #f8fafc;
  --color-bg-soft: #f1f5f9;
  --color-text: #0f172a;
  --color-muted: #475569;
  --color-subtle: #64748b;
  --color-border: #e2e8f0;
  --color-card: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #10b981;
  --color-dark: #020617;
  --color-dark-soft: #0f172a;

  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.08);

  --container: 1120px;

  --font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

/* =========================================================
   2. Reset / base
   ========================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

::selection {
  background: var(--color-primary);
  color: #ffffff;
}

/* =========================================================
   3. Layout
   ========================================================= */

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-dark {
  background: var(--color-dark);
  color: #ffffff;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

/* =========================================================
   4. Typography
   ========================================================= */

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.h1 {
  margin: 0;
  max-width: 820px;
  color: var(--color-text);
  font-size: clamp(42px, 7vw, 72px);
  line-height: 0.95;
  font-weight: 750;
  letter-spacing: -0.055em;
}

.h2 {
  margin: 0;
  max-width: 720px;
  color: var(--color-text);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  font-weight: 720;
  letter-spacing: -0.04em;
}

.h3 {
  margin: 0;
  color: var(--color-text);
  font-size: 20px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lead {
  margin: 20px 0 0;
  max-width: 680px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.75;
}

.text-muted {
  color: var(--color-muted);
}

.text-subtle {
  color: var(--color-subtle);
}

.text-primary {
  color: var(--color-primary);
}

.section-dark .h2,
.section-dark .h3 {
  color: #ffffff;
}

.section-dark .lead,
.section-dark .text-muted {
  color: #cbd5e1;
}

/* =========================================================
   5. Components
   ========================================================= */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-hover {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  border-radius: 14px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

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

.button:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.25);
  outline-offset: 3px;
}

.button-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--color-primary-hover);
}

.button-secondary {
  background: #ffffff;
  color: var(--color-text);
  border-color: var(--color-border);
}

.button-secondary:hover {
  background: var(--color-bg-soft);
  border-color: #cbd5e1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #ffffff;
  padding: 6px 10px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.badge-success {
  border-color: rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.08);
  color: #047857;
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-bg-soft);
  color: var(--color-primary);
}

.proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* =========================================================
   6. Header / nav
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.86);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.site-logo {
  height: 44px;
  width: auto;
  display: block;
  border-radius: full;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
}

.logo-mark img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 10px;
}



.logo {
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo-dot {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a {
  position: relative;
}

.nav-links a[aria-current="page"] {
  color: var(--color-text);
}

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
}

/* =========================================================
   7. Hero
   ========================================================= */

.hero {
  padding: 96px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: center;
  gap: 56px;
}

.hero-card {
  min-height: 360px;
}

/* =========================================================
   8. Responsive
   ========================================================= */

@media (max-width: 900px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 72px 0 56px;
  }

  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .nav {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .lead {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .section {
    padding: 56px 0;
  }

  .card {
    padding: 20px;
    border-radius: var(--radius-lg);
  }

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

  .button {
    width: 100%;
  }
}

/* =========================================================
   Project showcase / screenshots
   ========================================================= */

.project-showcase-dark {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.18), transparent 32%),
    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.10), transparent 28%),
    var(--color-dark);
  color: #ffffff;
}

.project-showcase-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04), transparent 28%),
    linear-gradient(to right, rgba(255, 255, 255, 0.03), transparent 24%);
}

.project-showcase-dark > .container {
  position: relative;
  z-index: 1;
}

.project-showcase-dark .eyebrow {
  color: #60a5fa;
}

.project-showcase-dark .h1,
.project-showcase-dark .h2,
.project-showcase-dark .h3 {
  color: #ffffff;
}

.project-showcase-dark .lead,
.project-showcase-dark .text-muted {
  color: #cbd5e1;
}

.product-frame {
  align-self: start;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: var(--radius-xl);
  background: #020617;
  box-shadow:
    0 24px 80px rgba(2, 6, 23, 0.45),
    0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.product-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.project-showcase-dark .grid-2 {
  align-items: center;
}

.product-frame-caption {
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  padding: 14px 16px;
  background: rgba(15, 23, 42, 0.86);
  color: #cbd5e1;
  font-size: 14px;
  line-height: 1.6;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.screenshot-grid .product-frame {
  border-radius: var(--radius-lg);
}

.screenshot-grid .product-frame-caption {
  font-size: 13px;
}

@media (max-width: 900px) {
  .screenshot-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 32px;
  }

  .product-frame {
    border-radius: var(--radius-lg);
  }
}