/* BrickPartManager website — matches app “lego” theme */
:root {
  --primary: #cc0000;
  --primary-dark: #a30000;
  --accent: #ffd700;
  --accent-dark: #c9a800;
  --bg: #fff9e6;
  --card: #ffffff;
  --text: #1a1a1a;
  --sub: #666666;
  --border: #eee8d5;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --max: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 249, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

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

.brand-logo { width: 40px; height: 40px; flex-shrink: 0; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.75;
  color: var(--primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover { color: var(--primary); }

.lang-switch {
  position: relative;
}

.lang-switch summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
}

.lang-switch summary::-webkit-details-marker { display: none; }

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  min-width: 9rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 0.35rem 0;
  z-index: 200;
}

.lang-menu a {
  display: block;
  padding: 0.45rem 0.85rem;
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
}

.lang-menu a:hover,
.lang-menu a[aria-current="page"] {
  background: var(--bg);
  color: var(--primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--sub);
  margin: 0 0 1.5rem;
  max-width: 34rem;
}

.hero-note {
  font-size: 0.82rem;
  color: var(--sub);
  margin-top: 1rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.hero-store {
  margin-top: 1.25rem;
}

.hero-store-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sub);
  margin: 0 0 0.55rem;
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem 0.4rem 0.65rem;
  border-radius: 10px;
  background: #1a1a1a;
  color: #fff;
  text-decoration: none;
  min-height: 44px;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.store-badge:hover {
  text-decoration: none;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.store-badge-icon {
  flex-shrink: 0;
  opacity: 0.95;
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.store-badge-sub {
  font-size: 0.58rem;
  font-weight: 400;
  opacity: 0.85;
  letter-spacing: 0.01em;
}

.store-badge-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(204, 0, 0, 0.25);
}

.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-secondary {
  background: var(--card);
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-secondary:hover { background: #fff5f5; color: var(--primary); }

.btn-muted {
  background: #eee;
  color: #888;
  cursor: default;
  pointer-events: none;
}

/* Phone mockup */
.phone-mock {
  justify-self: center;
  width: min(100%, 280px);
  background: var(--card);
  border-radius: 28px;
  box-shadow: var(--shadow), 0 0 0 8px #1a1a1a;
  overflow: hidden;
}

.phone-notch {
  height: 24px;
  background: #1a1a1a;
}

.phone-screen {
  padding: 1rem;
  background: var(--bg);
  min-height: 380px;
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.mock-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary);
}

.mock-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--primary);
}

.mock-set {
  background: var(--card);
  border-radius: 12px;
  padding: 0.85rem;
  margin-bottom: 0.65rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.mock-set-name { font-weight: 700; font-size: 0.88rem; margin-bottom: 0.35rem; }

.mock-progress {
  height: 6px;
  background: #eee;
  border-radius: 99px;
  overflow: hidden;
}

.mock-progress-bar {
  height: 100%;
  width: 72%;
  background: linear-gradient(90deg, var(--primary), #e53935);
  border-radius: 99px;
}

.mock-meta {
  font-size: 0.72rem;
  color: var(--sub);
  margin-top: 0.35rem;
}

/* Sections */
section { padding: 3.5rem 0; }

.section-title {
  font-size: 1.65rem;
  font-weight: 800;
  text-align: center;
  margin: 0 0 2rem;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  border: 1px solid var(--border);
}

.feature-icon { font-size: 1.75rem; margin-bottom: 0.65rem; }

.feature-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--sub);
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.how-step {
  text-align: center;
  padding: 1.25rem;
}

.how-step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.how-step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.how-step p { margin: 0; font-size: 0.9rem; color: var(--sub); }

.download-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.download-box {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
}

.download-box p { color: var(--sub); }

.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.25rem;
}

/* Legal pages */
.legal-page {
  padding: 2rem 0 4rem;
}

.legal-page h1 {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
}

.legal-meta {
  font-size: 0.88rem;
  color: var(--sub);
  margin-bottom: 2rem;
}

.legal-content {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  border: 1px solid var(--border);
}

.legal-content h2 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.65rem;
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  color: #333;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
}

.legal-nav a { font-weight: 600; }

/* Join page */
.join-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 3rem 0;
}

.join-card {
  max-width: 420px;
  margin-inline: auto;
  background: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.join-code {
  font-size: 1.75rem;
  letter-spacing: 0.2em;
  font-weight: 800;
  background: var(--bg);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  display: inline-block;
  margin: 0.75rem 0 1.25rem;
  font-family: ui-monospace, monospace;
}

.join-hint {
  font-size: 0.85rem;
  color: var(--sub);
  margin-top: 1rem;
}

/* Footer */
.site-footer {
  background: #1a1a1a;
  color: #ccc;
  padding: 2.5rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.site-footer h3 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.85rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin-bottom: 0.4rem; }

.footer-links a {
  color: #ccc;
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-links a:hover { color: #fff; }

.footer-contact a { color: var(--accent); }

.footer-notice {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  line-height: 1.5;
  color: #999;
  border-top: 1px solid #333;
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.footer-notice p { margin: 0 0 0.5rem; }

.footer-copy {
  text-align: center;
  font-size: 0.78rem;
  color: #777;
  margin-top: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open { display: flex; }

  .header-inner { position: relative; flex-wrap: wrap; }

  .hero-grid { grid-template-columns: 1fr; }
  .phone-mock { order: -1; }
  .footer-grid { grid-template-columns: 1fr; }
  .legal-content { padding: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}