/* Dependa Direct — ShadCN-derived design tokens (hand-authored, no build step) */

:root {
  /* Neutral base: cool zinc (very low chroma, hue ~250) */
  --background: oklch(1 0 0);
  --foreground: oklch(0.21 0.006 265);

  --card: oklch(1 0 0);
  --card-foreground: oklch(0.21 0.006 265);

  --muted: oklch(0.967 0.002 265);
  --muted-foreground: oklch(0.55 0.014 265);

  /* Primary: dependable blue */
  --primary: oklch(0.48 0.16 256);
  --primary-hover: oklch(0.43 0.16 256);
  --primary-foreground: oklch(0.985 0 0);

  --secondary: oklch(0.967 0.002 265);
  --secondary-foreground: oklch(0.21 0.006 265);

  --accent: oklch(0.96 0.02 256);
  --accent-foreground: oklch(0.3 0.09 256);

  --border: oklch(0.922 0.004 265);
  --input: oklch(0.922 0.004 265);
  --ring: oklch(0.48 0.16 256);

  --radius: 0.625rem;
  --radius-sm: calc(var(--radius) - 4px);
  --radius-lg: calc(var(--radius) + 4px);

  --shadow-sm: 0 1px 2px 0 oklch(0.21 0.006 265 / 0.05);
  --shadow-md: 0 4px 12px -2px oklch(0.21 0.006 265 / 0.08),
    0 2px 6px -2px oklch(0.21 0.006 265 / 0.05);
  --shadow-lg: 0 12px 32px -8px oklch(0.21 0.006 265 / 0.12);

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

  --container: 72rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: oklch(0.16 0.006 265);
    --foreground: oklch(0.97 0.002 265);

    --card: oklch(0.2 0.006 265);
    --card-foreground: oklch(0.97 0.002 265);

    --muted: oklch(0.24 0.006 265);
    --muted-foreground: oklch(0.7 0.014 265);

    --primary: oklch(0.62 0.16 256);
    --primary-hover: oklch(0.68 0.16 256);
    --primary-foreground: oklch(0.16 0.006 265);

    --secondary: oklch(0.26 0.006 265);
    --secondary-foreground: oklch(0.97 0.002 265);

    --accent: oklch(0.3 0.05 256);
    --accent-foreground: oklch(0.9 0.03 256);

    --border: oklch(1 0 0 / 0.1);
    --input: oklch(1 0 0 / 0.12);
    --ring: oklch(0.62 0.16 256);

    --shadow-sm: 0 1px 2px 0 oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 12px -2px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 12px 32px -8px oklch(0 0 0 / 0.5);
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

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

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

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

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

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.6875rem 1.125rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(0.5px);
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--primary-hover);
}
.btn-outline {
  background: transparent;
  color: var(--foreground);
  border-color: var(--border);
}
.btn-outline:hover {
  background: var(--muted);
}
.btn-ghost {
  background: transparent;
  color: var(--muted-foreground);
  padding: 0.5rem 0.75rem;
}
.btn-ghost:hover {
  color: var(--foreground);
  background: var(--muted);
}
.btn svg {
  width: 1.05rem;
  height: 1.05rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(1 0 0 / 0.8);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) {
  .site-header {
    background: oklch(0.16 0.006 265 / 0.8);
  }
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.wordmark .mark {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 1rem;
}
.wordmark .accent {
  color: var(--primary);
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links {
  display: flex;
  gap: 0.25rem;
}
.nav-links a {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}
.nav-links a:hover {
  color: var(--foreground);
  background: var(--muted);
}
@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
}
/* Very narrow screens: drop the header CTA to avoid header overflow
   (the hero still carries a "Shop on Amazon" button). */
@media (max-width: 400px) {
  .site-header .btn-primary {
    display: none;
  }
}
/* Lift the small eyebrow text in dark mode so it clears WCAG AA on the
   muted section background (4.5:1 for <18px text). */
@media (prefers-color-scheme: dark) {
  .eyebrow {
    color: oklch(0.74 0.13 256);
  }
}

/* ---------- Section scaffolding ---------- */
section {
  padding-block: 5rem;
}
@media (max-width: 720px) {
  section {
    padding-block: 3.5rem;
  }
}
.section-head {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.section-head p {
  margin-top: 0.75rem;
  color: var(--muted-foreground);
  font-size: 1.0625rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 6.5rem 5.5rem;
  border-bottom: 1px solid var(--border);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      60rem 40rem at 70% -10%,
      var(--accent),
      transparent 60%
    ),
    radial-gradient(40rem 30rem at 0% 0%, var(--muted), transparent 55%);
  opacity: 0.9;
  z-index: -1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted-foreground);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.375rem 0.75rem 0.375rem 0.5rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--primary);
}
.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 20ch;
}
.hero h1 .accent {
  color: var(--primary);
}
.hero-sub {
  margin-top: 1.5rem;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--muted-foreground);
  max-width: 44ch;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  margin-top: 3rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-trust svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--primary);
}

/* ---------- Product cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
@media (max-width: 960px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease,
    transform 0.2s ease;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(0.48 0.16 256 / 0.35);
  transform: translateY(-2px);
}
.product-card .icon {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-foreground);
  margin-bottom: 1rem;
}
.product-card .icon svg {
  width: 1.375rem;
  height: 1.375rem;
}
.product-card h3 {
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.product-card p {
  margin-top: 0.375rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

/* ---------- About / trust ---------- */
.about {
  background: var(--muted);
  border-block: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 720px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}
.trust-item {
  display: flex;
  gap: 0.875rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.375rem;
}
.trust-item .check {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--primary);
}
.trust-item .check svg {
  width: 1.2rem;
  height: 1.2rem;
}
.trust-item h3 {
  font-size: 1rem;
  font-weight: 650;
}
.trust-item p {
  margin-top: 0.25rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

/* ---------- Contact ---------- */
.contact-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 8px);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
@media (max-width: 720px) {
  .contact-card {
    grid-template-columns: 1fr;
    padding: 1.75rem;
    gap: 1.75rem;
  }
}
.contact-card h2 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
}
.contact-card p {
  margin-top: 0.75rem;
  color: var(--muted-foreground);
}
.contact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.contact-details {
  display: grid;
  gap: 1rem;
}
.detail {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.detail svg {
  width: 1.2rem;
  height: 1.2rem;
  color: var(--primary);
  margin-top: 0.15rem;
  flex-shrink: 0;
}
.detail .label {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}
.detail .value {
  font-weight: 500;
}
.detail a.value:hover {
  color: var(--primary);
}

/* ---------- Legal / prose ---------- */
.prose {
  max-width: 46rem;
  margin-inline: auto;
}
.prose h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}
.prose .lead {
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}
.prose h2 {
  font-size: 1.1875rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}
.prose p {
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
}
.prose ul {
  color: var(--muted-foreground);
  margin: 0 0 0.75rem;
  padding-left: 1.25rem;
}
.prose li {
  margin-bottom: 0.375rem;
}
.prose a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}
.back-link:hover {
  color: var(--foreground);
}
.back-link svg {
  width: 1rem;
  height: 1rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
}
.footer-legal {
  display: grid;
  gap: 0.25rem;
}
.footer-legal .brand {
  color: var(--foreground);
  font-weight: 650;
}
.footer-links {
  display: flex;
  gap: 1.25rem;
}
.footer-links a:hover {
  color: var(--foreground);
}