*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0f1e;
  --surface:   #121929;
  --border:    #1e2d47;
  --accent:    #00c8b4;
  --accent-dim:#00a898;
  --accent-bg: rgba(0,200,180,0.08);
  --text:      #e8eef8;
  --muted:     #6b7fa3;
  --error:     #f06060;
  --radius:    12px;
  --transition: 180ms ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── ACCESSIBILITY: focus + skip link ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #0a0f1e;
  padding: 0.6rem 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 0 0 8px 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 clamp(1rem, 5vw, 3rem);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  cursor: pointer;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* ── HAMBURGER ── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  flex-direction: column;
  padding: 0.5rem 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--text); background: var(--bg); }

/* ── STATIC PAGE CONTENT ── */
.static-page {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1rem, 5vw, 3rem) clamp(3rem, 6vw, 5rem);
}
.static-page h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 1.25rem; }
.static-page h2 { font-size: 1.15rem; margin: 1.75rem 0 0.6rem; color: var(--text); }
.static-page p, .static-page li { font-size: 0.95rem; color: var(--muted); margin-bottom: 0.8rem; }
.static-page ul { padding-left: 1.25rem; margin-bottom: 0.8rem; }
.static-page a { color: var(--accent); }
.static-page .updated { font-family: 'DM Mono', monospace; font-size: 0.75rem; color: var(--muted); margin-bottom: 2rem; display: block; }
.contact-form { display: flex; flex-direction: column; gap: 0.85rem; max-width: 420px; margin-top: 1.5rem; }
.contact-form label { font-size: 0.8rem; color: var(--muted); margin-bottom: -0.4rem; }
.contact-form textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.65rem 0.85rem; color: var(--text); font-family: inherit; font-size: 0.9rem;
  resize: vertical; min-height: 110px; outline: none;
}
.contact-form textarea:focus, .contact-form input:focus { border-color: var(--accent); }

/* ── BREADCRUMB (tool pages) ── */
.breadcrumb {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.1rem clamp(1rem, 5vw, 3rem) 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span[aria-current] { color: var(--text); }

/* ── HERO ── */
.hero {
  padding: clamp(2rem, 8vw, 6rem) clamp(1rem, 5vw, 3rem) clamp(2rem, 5vw, 4rem);
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

/* ── LOCATION CARD ── */
.location-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
}

.location-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.location-card-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #0a0f1e;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-dim); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.8rem; }
.btn-xs { padding: 0.25rem 0.5rem; font-size: 0.75rem; border-radius: 6px; }

.location-body { padding: 1.5rem; }

#location-status {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
  min-height: 1.4em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
#location-status[role="alert"]:empty { display: none; }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.spinner.active { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

.location-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.location-field {
  background: var(--bg);
  padding: 0.85rem 1rem;
}

.field-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}

.field-value {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text);
  word-break: break-word;
}

.field-value.empty { color: var(--muted); font-weight: 400; }

.location-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.accuracy-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}

/* ── TOOLS SECTION ── */
.tools {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 5vw, 3rem);
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.tool-card:hover { border-color: var(--accent); }

.tool-icon {
  width: 40px; height: 40px;
  background: var(--accent-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.tool-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.tool-card p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.tool-result {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-bg);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  min-height: 34px;
  word-break: break-word;
  display: none;
}

.tool-result.visible { display: block; }
.tool-result.error { color: var(--error); background: rgba(240,96,96,0.08); }

.tool-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  padding-right: 2.9rem;
}

.input-btn-overlay {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.4rem;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--accent);
}
.input-btn-overlay:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-bg); }

label.field-tip {
  font-size: 0.75rem;
  color: var(--muted);
}

input[type="text"], input[type="number"], select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  outline: none;
  width: 100%;
  transition: border-color var(--transition);
}

input:focus, select:focus { border-color: var(--accent); }
input::placeholder { color: var(--muted); }

/* ── TOOL PAGE: explanatory content ── */
.tool-page-content {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(1rem, 5vw, 2rem) clamp(1rem, 5vw, 3rem) 0;
}
.tool-page-content h2 { font-size: 1.15rem; margin: 1.75rem 0 0.6rem; color: var(--text); }
.tool-page-content p, .tool-page-content li { font-size: 0.95rem; color: var(--muted); margin-bottom: 0.8rem; }
.tool-page-content ul { padding-left: 1.25rem; }

.related-tools {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem) 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.related-tools a {
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  background: var(--accent-bg);
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.related-tools a:hover { border-color: var(--accent); }

/* ── PRIVACY / TRUST SECTION ── */
.privacy {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 5vw, 3rem);
  border-top: 1px solid var(--border);
}

.privacy h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.privacy-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.privacy-item strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.privacy-item span {
  font-size: 0.825rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem clamp(1rem, 5vw, 3rem);
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer span.copyright {
  font-size: 0.825rem;
  color: var(--muted);
}

.footer-links { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.footer-links a {
  font-size: 0.825rem;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }
.footer-links .sep { color: var(--border); }

/* ── MAP ── */
#map-container {
  height: 200px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-radius: 0 0 4px 4px;
  overflow: hidden;
  display: none;
}

#map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 0.65rem 1.25rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: transform 300ms cubic-bezier(.34,1.56,.64,1);
  z-index: 999;
  white-space: nowrap;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .location-grid { grid-template-columns: 1fr 1fr; }

  /* tightened mobile spacing (no layout/hierarchy changes) */
  .hero { padding-top: 1.75rem; padding-bottom: 2rem; }
  .hero-eyebrow { margin-bottom: 1rem; }
  .hero-sub { margin-bottom: 1.75rem; }
  .location-body { padding: 1.1rem; }
  .location-card-header { padding: 1rem 1.1rem; }
  .tools { padding-top: 1.75rem; padding-bottom: 2rem; }
  .tools-grid { gap: 0.85rem; }
  .tool-card { padding: 1.15rem; }
  .tool-icon { margin-bottom: 0.75rem; }
  .tool-page-content { padding-top: 0.75rem; }
  .tool-page-content h2 { margin-top: 1.35rem; }
}

@media (max-width: 380px) {
  .location-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .toast { white-space: normal; max-width: 88vw; text-align: center; }
  footer { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}