/* ═══════════════════════════════════════════════════════════════════
   Sunnyrack - Shared Design Tokens & Global Styles
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-warm: var(--surface);
  --fg: #111111;
  --fg-2: var(--fg);
  --muted: #6b6b6b;
  --meta: var(--muted);
  --border: #e5e5e5;
  --border-soft: var(--border);
  --accent: #2f6feb;
  --accent-on: #ffffff;
  --accent-hover: color-mix(in oklab, var(--accent), black 8%);
  --accent-active: color-mix(in oklab, var(--accent), black 14%);
  --success: #17a34a;
  --warn: #eab308;
  --danger: #dc2626;

  --font-display: "Inter", -apple-system, system-ui, sans-serif;
  --font-body: "Inter", -apple-system, system-ui, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", monospace;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: 48px;
  --text-4xl: 64px;

  --leading-body: 1.5;
  --leading-tight: 1.2;
  --tracking-display: -0.01em;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-20: 80px;

  --section-y-desktop: 80px;
  --section-y-tablet: 48px;
  --section-y-phone: 32px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --elev-flat: none;
  --elev-ring: 0 0 0 1px var(--border);
  --elev-raised: 0 2px 8px color-mix(in oklab, var(--fg), transparent 92%);
  --focus-ring: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 70%);

  --motion-fast: 150ms;
  --motion-base: 200ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);

  --container-max: 1200px;
  --container-gutter-desktop: 24px;
  --container-gutter-tablet: 16px;
  --container-gutter-phone: 12px;
}

/* ─── reset & base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; font-family: var(--font-display); }

/* ─── container ─────────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter-desktop);
}

/* ─── top info bar ──────────────────────────────────────────────── */
.top-bar {
  background: var(--fg);
  color: color-mix(in oklab, var(--surface) 85%, transparent);
  font-size: var(--text-sm);
  padding-block: 8px;
}
.top-bar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }
.top-bar-contact { display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.top-bar-contact a { display: inline-flex; align-items: center; gap: 6px; transition: color var(--motion-fast); }
.top-bar-contact a:hover { color: var(--surface); }
.top-bar-contact svg { width: 14px; height: 14px; flex-shrink: 0; }
.lang-select { position: relative; cursor: pointer; display: flex; align-items: center; gap: 6px; color: color-mix(in oklab, var(--surface) 85%, transparent); }
.lang-select:hover { color: var(--surface); }
.lang-select img { width: 20px; height: 14px; }

/* ─── main navigation ───────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 12px;
}
.navbar-logo { flex-shrink: 0; display: flex; align-items: center; gap: var(--space-3); }
.navbar-logo img { height: 40px; width: auto; }
.navbar-logo span { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); letter-spacing: -0.01em; color: var(--fg); white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: block; padding: 10px 16px;
  font-size: var(--text-sm); font-weight: 500;
  color: var(--fg); border-radius: var(--radius-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
  white-space: nowrap;
}
.nav-links > li > a:hover { background: var(--bg); color: var(--accent); }
.nav-links > li > a.active { background: var(--bg); color: var(--accent); font-weight: 600; }
.nav-links .nav-cta > a { background: var(--accent); color: var(--accent-on); padding: 9px 18px; border-radius: var(--radius-sm); font-weight: 600; }
.nav-links .nav-cta > a:hover { background: var(--accent-hover); color: var(--accent-on); }

/* dropdown */
.nav-dropdown {
  position: absolute; top: 100%; left: 0; min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--elev-raised);
  padding: var(--space-2);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--motion-fast), transform var(--motion-fast), visibility var(--motion-fast);
  z-index: 200;
}
.nav-links > li:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a {
  display: block; padding: 9px 14px;
  font-size: var(--text-sm); color: var(--fg);
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.nav-dropdown a:hover { background: var(--bg); color: var(--accent); }
.nav-search {
  display: flex; align-items: center; margin-left: var(--space-3);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color var(--motion-fast);
}
.nav-search:focus-within { border-color: var(--accent); box-shadow: var(--focus-ring); }
.nav-search input {
  border: none; outline: none; padding: 8px 12px; width: 160px;
  font-size: var(--text-sm); color: var(--fg); background: var(--surface);
  font-family: var(--font-body);
}
.nav-search input::placeholder { color: var(--muted); }
.nav-search button {
  padding: 8px 12px; display: flex; align-items: center;
  color: var(--muted); transition: color var(--motion-fast);
}
.nav-search button:hover { color: var(--accent); }
.nav-search button svg { width: 16px; height: 16px; }

/* mobile menu toggle */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer; z-index: 300;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--fg); border-radius: 2px;
  transition: transform var(--motion-base), opacity var(--motion-base);
}

/* ─── section common ────────────────────────────────────────────── */
.section { padding-block: var(--section-y-desktop); }
.section + .section { border-top: 1px solid var(--border); }
.section-label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px);
  font-weight: 700; line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--space-4);
}
.section-subtitle {
  color: var(--muted); font-size: var(--text-lg); line-height: var(--leading-body);
  max-width: 72ch;
}

/* ─── page header ───────────────────────────────────────────────── */
.page-header {
  background: var(--fg-2);
  color: var(--surface);
  padding-block: clamp(48px, 6vw, 80px);
  text-align: center;
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700; line-height: 1.2;
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--space-3);
}
.page-header .breadcrumb {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--surface) 65%, transparent);
  margin-bottom: var(--space-5);
}
.page-header .breadcrumb a { color: color-mix(in oklab, var(--surface) 85%, transparent); transition: color var(--motion-fast); }
.page-header .breadcrumb a:hover { color: var(--surface); }
.page-header .breadcrumb span { margin-inline: 6px; }
.page-header .lead {
  font-size: var(--text-lg);
  color: color-mix(in oklab, var(--surface) 80%, transparent);
  max-width: 60ch; margin-inline: auto;
}

/* ─── buttons ───────────────────────────────────────────────────── */
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  border: 1px solid var(--accent); color: var(--accent);
  border-radius: var(--radius-sm); font-weight: 600; font-size: var(--text-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.btn-outline:hover { background: var(--accent); color: var(--accent-on); }
.btn-outline::after { content: '→'; transition: transform var(--motion-fast); }
.btn-outline:hover::after { transform: translateX(3px); }

/* ─── footer ────────────────────────────────────────────────────── */
.site-footer {
  background: var(--fg);
  color: color-mix(in oklab, var(--surface) 75%, transparent);
  padding-block: clamp(40px, 6vw, 64px);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.footer-col h4 {
  color: var(--surface);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-5);
}
.footer-col p, .footer-col a {
  display: block;
  font-size: var(--text-sm); line-height: 1.8;
  color: color-mix(in oklab, var(--surface) 70%, transparent);
  transition: color var(--motion-fast);
}
.footer-col a:hover { color: var(--surface); }
.footer-form { display: flex; flex-direction: column; gap: 10px; }
.footer-form input, .footer-form textarea {
  padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1px solid color-mix(in oklab, var(--surface) 25%, transparent);
  background: color-mix(in oklab, var(--surface) 8%, transparent);
  color: var(--surface); font: inherit; font-size: var(--text-sm);
  outline: none; transition: border-color var(--motion-fast);
}
.footer-form input:focus, .footer-form textarea:focus {
  border-color: var(--accent);
}
.footer-form input::placeholder, .footer-form textarea::placeholder {
  color: color-mix(in oklab, var(--surface) 40%, transparent);
}
.footer-form textarea { min-height: 80px; resize: vertical; }
.footer-form button {
  padding: 10px; background: var(--accent);
  color: var(--accent-on); font-weight: 600; font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast);
}
.footer-form button:hover { background: var(--accent-hover); }

/* ─── copyright ─────────────────────────────────────────────────── */
.copyright {
  background: var(--fg);
  border-top: 1px solid color-mix(in oklab, var(--surface) 15%, transparent);
  padding-block: 16px;
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--surface) 50%, transparent);
}
.copyright .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }
.copyright-badges { display: flex; gap: 10px; }
.copyright-badges span {
  width: 36px; height: 24px; border-radius: 4px;
  background: color-mix(in oklab, var(--surface) 12%, transparent);
}

/* ─── responsive ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: var(--space-3); box-shadow: var(--elev-raised);
  }
  .nav-links.open { display: flex; }
  .nav-links > li > a { width: 100%; }
  .nav-dropdown {
    position: static; box-shadow: none; border: none; opacity: 1; visibility: visible;
    transform: none; display: none; padding-left: var(--space-4);
  }
  .nav-links > li.open .nav-dropdown { display: block; }
  .nav-search { margin-left: 0; }
  .nav-search input { width: 100%; }
  .top-bar .container { flex-direction: column; text-align: center; }
  .top-bar-contact { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding-block: var(--section-y-tablet); }
  .container { padding-inline: var(--container-gutter-tablet); }
}
@media (max-width: 640px) {
  .section { padding-block: var(--section-y-phone); }
  .container { padding-inline: var(--container-gutter-phone); }
  .copyright .container { flex-direction: column; text-align: center; }
}