/* ==========================================================================
   Product microsite — shared base (reset, layout, components)
   Product-specific files (e.g. vidduka.css) define the --color-* tokens;
   this file only consumes them, so every new product page reuses it as-is.
   ========================================================================== */

:root {
  --color-ink-900: #0f172a;
  --color-ink-700: #334155;
  --color-ink-500: #64748b;
  --color-ink-400: #94a3b8;

  --color-surface: #ffffff;
  --color-surface-alt: #f8fafc;
  --color-surface-inverse: #0b1224;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.05);

  --container: 1160px;
  --nav-height: 76px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink-700);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 {
  color: var(--color-ink-900);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
button { cursor: pointer; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 200ms var(--ease);
  font-weight: 600;
}
.skip-link:focus { top: 16px; }

/* Layout */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

section { padding-block: 96px; }

@media (max-width: 768px) {
  section { padding-block: 64px; }
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 16px; }
.section-head p { font-size: 18px; color: var(--color-ink-500); }

.alt-bg { background: var(--color-surface-alt); }

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease),
    background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-ink-900);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* Header / nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}
/* Blur lives on a pseudo-element, not .site-header itself — backdrop-filter on the
   header would make it a containing block for its position:fixed .nav-links child,
   clipping the mobile menu to the header's own height. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--color-ink-900);
  letter-spacing: -0.01em;
}
.brand img { width: 30px; height: 30px; }
.brand .brand-sub {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-ink-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-links { display: flex; align-items: center; gap: 32px; min-width: 0; }
.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink-700);
  padding: 8px 2px;
  position: relative;
  transition: color 200ms var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--color-primary);
  transition: right 220ms var(--ease);
  border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-ink-900); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms var(--ease), transform 220ms var(--ease);
  }
  .nav-links a {
    padding: 16px 4px;
    border-bottom: 1px solid var(--color-border);
    font-size: 17px;
  }
  .nav-links a::after { display: none; }
  body.nav-open .nav-links { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-cta .btn-secondary { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* Icon badge */

.icon-badge {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-50);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-badge svg { width: 24px; height: 24px; }

/* Stat tiles (reused pattern) */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
@media (max-width: 860px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: left;
}
.stat-tile .stat-number {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  display: block;
  font-variant-numeric: tabular-nums;
}
.stat-tile .stat-label {
  margin-top: 8px;
  color: var(--color-ink-500);
  font-size: 14.5px;
  line-height: 1.5;
}

/* Footer */

.site-footer {
  background: var(--color-surface-inverse);
  color: #b7bfe0;
  padding-block: 56px 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
@media (max-width: 760px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
.footer-brand .brand { color: #fff; }
.footer-brand p {
  margin-top: 14px;
  font-size: 14.5px;
  max-width: 40ch;
  color: #97a0c4;
}
.footer-col h4 {
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.footer-col a, .footer-col span {
  font-size: 14.5px;
  color: #97a0c4;
  overflow-wrap: break-word;
  transition: color 200ms var(--ease);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 13.5px;
  color: #7680a3;
}

/* Reveal on scroll */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}