/* ===========================================================
   Dummy 13 Accessories STL — shared stylesheet
   Bright, minimalist, professional, trustworthy palette.
   =========================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f8fc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1f2933;
  --color-text-muted: #52606d;
  --color-primary: #2563eb;      /* bright but professional blue */
  --color-primary-dark: #1d4ed8;
  --color-accent: #ff7a1a;       /* CTA accent: bright, high contrast */
  --color-accent-dark: #e6690f;
  --color-success: #16a34a;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --max-width: 1120px;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), #60a5fa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-download {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-md);
  letter-spacing: 0.02em;
}

.btn-download:hover,
.btn-download:focus-visible {
  background: var(--color-accent-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(37, 99, 235, 0.08);
}

.btn-small {
  padding: 8px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 72px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin: 0 0 18px;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 28px;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.trust-row {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  margin-top: 32px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.trust-row span {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Generic sections ---------- */

section {
  padding: 56px 0;
}

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

h1, h2, h3 {
  color: var(--color-text);
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.section-intro {
  color: var(--color-text-muted);
  max-width: 68ch;
  margin-bottom: 32px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.card p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

/* ---------- Steps (guide page) ---------- */

.steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.step h3 {
  margin: 0 0 6px;
}

.step p {
  color: var(--color-text-muted);
  margin: 0 0 12px;
}

.step-visual {
  margin-top: 10px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

/* ---------- CTA banner ---------- */

.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), #1e3a8a);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 42px;
  text-align: center;
  margin: 0 auto;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 10px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
}

.cta-banner .btn-download {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

/* ---------- Legal pages ---------- */

.legal h1 {
  margin-bottom: 6px;
}

.legal .updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 36px;
}

.legal h2 {
  font-size: 1.25rem;
  margin-top: 36px;
}

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

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
}

.legal table th,
.legal table td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  font-size: 0.92rem;
}

.legal table th {
  background: var(--color-bg-alt);
}

.placeholder {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
  padding: 1px 6px;
  border-radius: 4px;
  font-style: normal;
  font-weight: 600;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 40px 0 28px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.footer-grid h4 {
  margin: 0 0 12px;
  font-size: 0.95rem;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-grid a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ---------- Cookie banner ---------- */

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 100;
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 22px 24px;
  display: none;
}

.cookie-banner.visible {
  display: block;
}

.cookie-banner p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.cookie-banner .cookie-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-prefs {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.cookie-prefs.visible {
  display: block;
}

.cookie-prefs label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

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

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .step {
    grid-template-columns: 1fr;
  }
}