@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* ─── Tokens ──────────────────────────────────────────────── */
:root {
  --p-bg:       #0c0f14;
  --p-surface:  #111318;
  --p-surface2: #131820;
  --p-surface3: #1a1f28;
  --p-border:   #1c2028;
  --p-border2:  #2a3038;
  --p-text:     #cdd3dc;
  --p-sub:      #555e6b;
  --p-dim:      #333a45;
  --p-green:    #00ff87;
  --p-green-dim: rgba(0,255,135,0.12);
  --p-green-mid: rgba(0,255,135,0.3);
  --p-warn:     #ffc107;
  --p-error:    #ff4d6a;
  --p-info:     #4da6ff;

  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-w: 1100px;
  --nav-h: 64px;
}

/* ─── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--p-bg);
  color: var(--p-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--p-green); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }
code, pre { font-family: var(--font-mono); }

/* ─── Top rule ────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--p-green);
  opacity: 0.6;
  z-index: 1000;
}

/* ─── Layout ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

main {
  padding-top: var(--nav-h);
  min-height: calc(100vh - var(--nav-h));
}

/* ─── Nav ─────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--p-bg);
  border-bottom: 1px solid var(--p-border);
  z-index: 500;
  display: flex;
  align-items: center;
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.30em;
  line-height: 1;
  text-decoration: none;
  color: var(--p-green);
}

.nav-logo-mark {
  height: 1.61em;
  position: relative;
  top: 0.545em;
  flex: none;
}

.nav-logo-text {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.03em;
}

.nav-logo-text span { color: var(--p-green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--p-sub);
  transition: color 0.15s;
}

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

.nav-cta {
  display: inline-block;
  padding: 8px 18px;
  background: var(--p-green);
  color: #0c0f14;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 5px;
  transition: opacity 0.15s;
}

.nav-cta:hover { opacity: 0.88; text-decoration: none; }

/* ─── Nav right (CTA + hamburger) ────────────────────────── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger button — hidden on desktop, shown on mobile */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--p-border2);
  border-radius: 5px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--p-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Animate three bars into an X when open */
.site-nav.nav-open .nav-hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-nav.nav-open .nav-hamburger span:nth-child(2) {
  opacity: 0;
}
.site-nav.nav-open .nav-hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer — hidden on desktop */
.nav-mobile {
  display: none;
  position: absolute;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--p-surface);
  border-bottom: 1px solid var(--p-border);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.25s ease, opacity 0.18s ease;
}

.site-nav.nav-open .nav-mobile {
  max-height: 320px;
  opacity: 1;
}

.nav-mobile-links {
  list-style: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--p-border);
}

.nav-mobile-links li a {
  display: block;
  padding: 13px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--p-text);
  transition: color 0.15s;
}

.nav-mobile-links li a:hover { color: var(--p-green); text-decoration: none; }

.nav-mobile-cta {
  display: block;
  margin: 16px;
  text-align: center;
}

/* ─── Section label ───────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--p-sub);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.section-label::before {
  content: '#';
  color: var(--p-green);
}

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--p-border);
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--p-green);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 680px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--p-sub);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  background: var(--p-green);
  color: #0c0f14;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 5px;
  transition: opacity 0.15s;
}

.btn-primary:hover { opacity: 0.88; text-decoration: none; }

.btn-ghost {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid var(--p-border2);
  color: var(--p-text);
  font-size: 0.9rem;
  border-radius: 5px;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover { border-color: var(--p-green); color: var(--p-green); text-decoration: none; }

/* ─── Tools grid ──────────────────────────────────────────── */
.tools-section {
  padding: 72px 0;
}

.section-header {
  margin-bottom: 36px;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--p-border);
  border: 1px solid var(--p-border);
  border-radius: 6px;
  overflow: hidden;
}

.tool-card {
  background: var(--p-surface);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}

.tool-card:hover { background: var(--p-surface2); text-decoration: none; }

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.tool-card-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

.tool-card-desc {
  font-size: 0.83rem;
  color: var(--p-sub);
  line-height: 1.6;
  flex: 1;
}

.tool-card-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--p-green);
  letter-spacing: 0.2px;
}

/* ─── Badge ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-green  { background: rgba(0,255,135,0.12); color: var(--p-green); }
.badge-blue   { background: rgba(77,166,255,0.12); color: var(--p-info); }
.badge-yellow { background: rgba(255,193,7,0.12); color: var(--p-warn); }
.badge-purple { background: rgba(168,85,247,0.12); color: #a855f7; }

/* ─── Tool page ───────────────────────────────────────────── */
.tool-page {
  padding: 56px 0 80px;
}

.tool-page-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--p-border);
}

.tool-page-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.tool-page-header p {
  color: var(--p-sub);
  font-size: 0.95rem;
}

.tool-input-area {
  margin-bottom: 40px;
}

.tool-input-row {
  display: flex;
  gap: 10px;
  max-width: 620px;
}

.tool-input {
  flex: 1;
  padding: 12px 16px;
  background: var(--p-surface);
  border: 1px solid var(--p-border2);
  border-radius: 5px;
  color: var(--p-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

.tool-input::placeholder { color: var(--p-dim); }
.tool-input:focus { border-color: var(--p-green); }

.tool-input-validation {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--p-error);
  min-height: 1em;
}

.tool-check-btn {
  padding: 12px 24px;
  background: var(--p-green);
  color: #0c0f14;
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.tool-check-btn:hover { opacity: 0.88; }

.tool-results {
  display: none;
}

.tool-results.visible { display: block; }

.results-card {
  background: var(--p-surface);
  border: 1px solid var(--p-border2);
  border-radius: 6px;
  overflow: hidden;
}

.results-card-header {
  padding: 14px 20px;
  background: var(--p-surface2);
  border-bottom: 1px solid var(--p-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.results-card-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--p-sub);
  letter-spacing: 0.3px;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
}

.results-table th {
  padding: 10px 20px;
  background: var(--p-surface2);
  color: var(--p-sub);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-align: left;
  border-bottom: 1px solid var(--p-border2);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.results-table td {
  padding: 10px 20px;
  border-bottom: 1px solid var(--p-border);
  font-size: 0.85rem;
  vertical-align: top;
}

.results-table tr:last-child td { border-bottom: none; }
.results-table tr:hover td { background: var(--p-surface2); }

.results-table .key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--p-text);
  white-space: nowrap;
}

.results-table .val {
  color: var(--p-sub);
  word-break: break-all;
}

/* CTA box on tool pages */
.tool-cta-box {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--p-green-dim);
  border: 1px solid var(--p-green-mid);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.tool-cta-box p {
  font-size: 0.875rem;
  color: var(--p-text);
  margin: 0;
}

.tool-cta-box a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--p-green);
  white-space: nowrap;
}

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--p-border);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--p-dim);
  letter-spacing: 0.2px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.83rem;
  color: var(--p-sub);
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--p-text); text-decoration: none; }

/* ─── Loading state ───────────────────────────────────────── */
.loading {
  display: none;
  padding: 24px 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--p-sub);
}

.loading.visible { display: block; }

/* ─── Error state ─────────────────────────────────────────── */
.tool-error {
  display: none;
  padding: 14px 20px;
  background: rgba(255,77,106,0.08);
  border: 1px solid rgba(255,77,106,0.2);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--p-error);
}

.tool-error.visible { display: block; }

/* ─── Responsive ──────────────────────────────────────────── */

/* Tablet: 2-column tool grid, tighter nav */
@media (max-width: 900px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links {
    gap: 20px;
  }
}

/* Mobile: single column, tighter spacing */
@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }

  /* Nav: hide desktop links + CTA, show hamburger + drawer */
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-right .nav-cta {
    display: none;
  }

  .nav-mobile {
    display: block;
  }

  /* Hero */
  .hero {
    padding: 56px 0 40px;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .hero-sub {
    font-size: 0.95rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .btn-primary,
  .btn-ghost {
    width: 100%;
    text-align: center;
    padding: 12px 20px;
  }

  /* Tools */
  .tools-section {
    padding: 48px 0;
  }

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

  .tool-card {
    padding: 18px 16px;
  }

  /* Tool pages */
  .tool-page {
    padding: 40px 0 56px;
  }

  .tool-input-row {
    flex-direction: column;
    gap: 8px;
  }

  .tool-check-btn {
    width: 100%;
  }

  /* Results table: allow horizontal scroll on narrow screens */
  .results-card {
    overflow-x: auto;
  }

  .results-table th,
  .results-table td {
    padding: 8px 12px;
  }

  /* Footer */
  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}