/* ============================================================
   ClawHarbor Design System — base.css
   Shared tokens, reset, typography, components, and utilities.
   ============================================================ */

/* --- Reset & Box Model --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Design Tokens --- */
:root {
  /* Backgrounds */
  --bg:          #0f1012;
  --bg-raised:   #181a1e;
  --bg-input:    #0c0d0f;

  /* Borders */
  --border:       #2c2e33;
  --border-hover: #3d4048;
  --border-green: #1a3a2a;

  /* Brand */
  --green:       #34d399;
  --green-dim:   #22c55e;
  --green-faint: rgba(52,211,153,0.08);
  --amber:       #fbbf24;
  --blue:        #60a5fa;
  --purple:      #a78bfa;
  --red:         #f87171;

  /* Text — all pass WCAG AA (4.5:1) on --bg */
  --text:          #ededef;   /* primary   ~14:1 */
  --text-secondary:#a1a1aa;   /* body copy  ~6.5:1 */
  --text-tertiary: #71717a;   /* meta/label ~4.5:1 */

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radius */
  --radius: 4px;
}

/* --- Base Elements --- */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* --- Focus — Accessibility --- */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* --- Layout --- */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-10);
  padding-right: var(--space-10);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--green);
  color: var(--bg);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  z-index: 1000;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --- Navigation --- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-10);
  height: 3.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(15,16,18,0.95);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--green);
  letter-spacing: 0.1em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--bg);
  background: var(--green);
  padding: var(--space-2) var(--space-4);
  letter-spacing: 0.08em;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.nav-cta:hover {
  background: var(--green-dim);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem var(--space-8);
  background: var(--green);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
  min-height: 2.75rem;
}

.btn-primary:hover {
  background: var(--green-dim);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem var(--space-8);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  min-height: 2.75rem;
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.875rem;
  background: transparent;
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid rgba(248,113,113,0.4);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  min-height: 2.75rem;
}

.btn-danger:hover {
  background: rgba(248,113,113,0.08);
  border-color: var(--red);
}

/* Block-level buttons (full width) */
.btn-block {
  display: flex;
  width: 100%;
  text-align: center;
}

/* Small button variant */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
  min-height: 2.25rem;
}

/* --- Tags --- */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  border-radius: var(--radius);
  min-height: 1.75rem;
}

.tag-green {
  color: var(--green);
  border-color: var(--border-green);
  background: var(--green-faint);
}

.tag-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

/* --- Section Labels --- */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--green);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '// ';
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-12);
}

/* --- Cards / Panels --- */
.panel {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-6);
}

/* --- Meta Lists --- */
.meta-list {
  display: grid;
  gap: 0.625rem;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.625rem;
}

.meta-item span:first-child {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

/* --- Forms --- */
label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
input:not([type]),
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.75rem 0.875rem;
  font: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}

input:focus,
textarea:focus {
  border-color: var(--green);
}

textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.hint {
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  margin-top: var(--space-1);
}

/* --- Eyebrow label (admin pages) --- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.14em;
  margin-bottom: 0.875rem;
}

/* --- Notice / Alert --- */
.notice {
  border: 1px solid rgba(52,211,153,0.2);
  background: var(--green-faint);
  padding: 0.75rem 0.875rem;
  margin-bottom: 1.125rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text);
}

/* --- Footer --- */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8) var(--space-10);
  border-top: 1px solid var(--border);
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--green);
}

/* --- Code Blocks --- */
.code-box {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-6);
}

.code-box code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-all;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border);
}

/* --- Price --- */
.price {
  font-family: var(--font-mono);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--green);
}

.price-unit {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.price-note {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

/* --- Animation --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(1rem); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Status Badges (admin) --- */
.status {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  color: var(--text-tertiary);
}

.status.published {
  color: var(--green);
  border-color: rgba(52,211,153,0.3);
  background: var(--green-faint);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .site-nav,
  .wrap,
  .site-footer {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .footer-links {
    gap: var(--space-4);
  }
}