/* ============================================================
   DeckTools - Ultra-Fresh Design System
   Fast. Private. Zero-Latency. 100% Client-Side Web Utilities.
   ============================================================ */

/* ---------- Design Tokens (Dark Theme Default) ---------- */
:root {
  --theme-mode: "dark";
  --bg: #080c14;
  --bg-soft: #0c1220;
  --surface: #0e1526;
  --surface-2: #151f38;
  --surface-3: #1c2a4a;
  --border: #1e2c4a;
  --border-soft: #16223b;
  --border-glow: rgba(99, 102, 241, 0.35);
  --text: #f0f4fc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #0284c7 100%);
  --gradient-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.16), rgba(6, 182, 212, 0.1));
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 12px 36px rgba(2, 6, 18, 0.6);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.28), 0 10px 40px rgba(99, 102, 241, 0.2);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --header-h: 72px;
  --maxw: 1240px;
  --header-bg: rgba(8, 12, 20, 0.88);
  --hero-glow-1: rgba(99, 102, 241, 0.2);
  --hero-glow-2: rgba(6, 182, 212, 0.14);
}

/* ---------- Light Theme Override ---------- */
[data-theme="light"], .light-theme {
  --theme-mode: "light";
  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #e2e8f0;
  --surface-3: #cbd5e1;
  --border: #cbd5e1;
  --border-soft: #e2e8f0;
  --border-glow: rgba(79, 70, 229, 0.3);
  --text: #0f172a;
  --text-muted: #475569;
  --text-faint: #64748b;
  --accent: #4f46e5;
  --accent-2: #7c3aed;
  --accent-3: #0284c7;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #0284c7 100%);
  --gradient-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 50%, #0369a1 100%);
  --gradient-soft: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(2, 132, 199, 0.06));
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
  --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.18), 0 12px 35px rgba(79, 70, 229, 0.12);
  --header-bg: rgba(248, 250, 252, 0.9);
  --hero-glow-1: rgba(79, 70, 229, 0.12);
  --hero-glow-2: rgba(2, 132, 199, 0.09);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1000px 520px at 85% -10%, var(--hero-glow-1), transparent 60%),
    radial-gradient(900px 460px at -10% 10%, var(--hero-glow-2), transparent 60%);
  transition: opacity 0.25s ease;
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--accent-3); text-decoration: none; transition: color 0.15s ease; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
main { flex: 1 0 auto; }

.container { width: min(var(--maxw), 92%); margin-inline: auto; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.2; color: var(--text); font-weight: 700; letter-spacing: -0.025em; }
h1 { font-size: clamp(2rem, 4.8vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { color: var(--text-muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.98rem;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--text);
  transition: all 0.18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--gradient); color: #ffffff; box-shadow: 0 6px 22px rgba(99, 102, 241, 0.38); }
.btn-primary:hover { background: var(--gradient-hover); box-shadow: 0 8px 28px rgba(99, 102, 241, 0.55); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-3); background: var(--surface-2); }
.btn-sm { padding: 8px 16px; font-size: 0.88rem; }
.btn-block { width: 100%; }

/* ---------- Header & Controls ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #fff;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.45);
}
.brand-text span { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

.header-controls { display: flex; align-items: center; gap: 12px; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  padding: 9px 16px;
  border-radius: 9px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease, background 0.15s ease;
}
.site-nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.site-nav a.active { color: var(--text); background: var(--gradient-soft); box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.35); }

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent-3);
  background: var(--surface-2);
}
.theme-toggle svg { width: 18px; height: 18px; fill: currentColor; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; border-radius: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 840px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    padding: 14px;
    display: none;
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 16px; }
}

/* ---------- Hero Section ---------- */
.hero { padding: clamp(68px, 11vh, 120px) 0 48px; text-align: center; position: relative; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent-3);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 10px var(--success); }
.hero h1 { margin-bottom: 20px; }
.hero h1 .grad { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { max-width: 680px; margin: 0 auto 34px; font-size: 1.15rem; }
.hero-stats { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.stat-pill {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-muted);
  box-shadow: var(--shadow);
}
.stat-pill strong { color: var(--text); font-size: 1.08rem; }

/* ---------- Category Filter Tabs & Search Bar ---------- */
.search-section { padding: 12px 0 28px; }
.search-box { position: relative; max-width: 680px; margin: 0 auto 24px; }
.search-box svg {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; stroke: var(--text-faint);
  pointer-events: none;
}
.search-box input {
  width: 100%;
  padding: 18px 24px 18px 56px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.05rem;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}
.search-box input::placeholder { color: var(--text-faint); }
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25); }

/* Category Tabs */
.category-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}
.tab-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.tab-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--surface-2);
}
.tab-btn.active {
  background: var(--gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.search-empty { text-align: center; padding: 56px 20px; color: var(--text-muted); display: none; }
.search-empty.visible { display: block; }

/* ---------- Featured Tools Showcase ---------- */
.featured-section { padding: 40px 0 20px; }
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.featured-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  background: var(--gradient-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s ease;
}
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); text-decoration: none; }
.featured-badge {
  display: inline-flex; align-items: center; width: fit-content;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-3); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
}

/* ---------- Main Tool Grids ---------- */
.tools-section { padding: 26px 0 60px; scroll-margin-top: calc(var(--header-h) + 10px); }
.category-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin: 40px 0 22px; }
.category-head:first-child { margin-top: 10px; }
.category-head h2 { display: flex; align-items: center; gap: 12px; }
.category-id { color: var(--accent-3); font-weight: 700; font-size: 0.88rem; }
.category-count { color: var(--text-faint); font-size: 0.9rem; font-weight: 500; }
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.tool-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.tool-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-glow); text-decoration: none; }
.tool-card-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--gradient-soft);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: var(--accent-3);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.tool-card h3 { font-size: 1.05rem; }
.tool-card p { font-size: 0.88rem; line-height: 1.55; flex: 1; }
.tool-card .go { color: var(--accent-3); font-size: 0.85rem; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }

/* ---------- Tool Page Layout ---------- */
.tool-hero { padding: 44px 0 28px; border-bottom: 1px solid var(--border-soft); background: var(--gradient-soft); }
.breadcrumb { font-size: 0.88rem; color: var(--text-faint); margin-bottom: 14px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-3); }
.tool-hero h1 { font-size: clamp(1.8rem, 3.8vw, 2.6rem); margin-bottom: 12px; }
.tool-subtitle { max-width: 760px; font-size: 1.05rem; }

.tool-body { padding: 36px 0 80px; display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 980px) {
  .tool-body.with-aside { grid-template-columns: 1fr 340px; }
}
.tool-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.2vw, 34px);
  box-shadow: var(--shadow);
}
.tool-panel h2 { font-size: 1.3rem; margin-bottom: 20px; }
.tool-aside .tool-panel { padding: 22px; }

/* ---------- Forms & Segmented Control Toggles ---------- */
.field { margin-bottom: 22px; }
.field label { display: block; font-size: 0.92rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.field .hint { font-size: 0.82rem; color: var(--text-faint); margin-top: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.input, .select, .textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}
.textarea { resize: vertical; min-height: 140px; line-height: 1.55; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.22); }
.input[type="number"] { -moz-appearance: textfield; }
.input::-webkit-outer-spin-button, .input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }

/* Segmented Control Toggle Group */
.toggle-group {
  display: flex;
  gap: 4px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 5px;
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}
.toggle-btn {
  flex: 1 1 auto;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.toggle-btn:hover {
  color: var(--text);
  background: var(--surface-2);
}
.toggle-btn.active {
  background: var(--gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.38);
}

.checkbox-row { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-muted); }
.checkbox-row input { accent-color: var(--accent); width: 18px; height: 18px; }

/* ---------- Results Grid & Metric Display ---------- */
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(175px, 1fr)); gap: 16px; margin-top: 6px; }
.result-box {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 18px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.result-box.highlight {
  border-color: var(--accent);
  background: var(--gradient-soft);
}
.result-box .result-label { font-size: 0.8rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.result-box .result-value { font-size: 1.4rem; font-weight: 800; color: var(--text); word-break: break-word; }
.result-box .result-value.accent { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.result-box .result-value.success { color: var(--success); }
.result-box .result-value.subtext { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin-top: 2px; }
.result-panel { margin-top: 24px; }
.result-actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }

.output-area {
  width: 100%;
  min-height: 160px;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
.output-area.small { min-height: 95px; }

/* Alerts */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); font-size: 0.92rem; margin-top: 18px; display: none; }
.alert.visible { display: block; }
.alert-error { background: rgba(239, 68, 68, 0.14); border: 1px solid rgba(239, 68, 68, 0.4); color: var(--danger); }
.alert-success { background: rgba(16, 185, 129, 0.14); border: 1px solid rgba(16, 185, 129, 0.4); color: var(--success); }
.alert-info { background: rgba(99, 102, 241, 0.14); border: 1px solid rgba(99, 102, 241, 0.4); color: var(--accent-3); }

/* ---------- Interactive FAQ Section ---------- */
.faq-section {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.faq-section h2 { font-size: 1.4rem; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.faq-accordion { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item:hover { border-color: var(--accent); }
.faq-question {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.faq-icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  transition: transform 0.25s ease;
  flex-shrink: 0;
  color: var(--accent-3);
}
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 22px;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 22px 20px;
}

/* ---------- Disclaimer Section ---------- */
.disclaimer-card {
  margin-top: 36px;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.disclaimer-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--warning);
  display: grid; place-items: center;
  flex-shrink: 0;
  font-weight: bold;
}
.disclaimer-body h3 { font-size: 0.98rem; margin-bottom: 6px; color: var(--text); }
.disclaimer-body p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.55; }

/* ---------- Contact / About Page ---------- */
.page-hero { padding: 60px 0 36px; text-align: center; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero p { max-width: 640px; margin: 0 auto; font-size: 1.1rem; }
.section-block { padding: 28px 0 64px; }
.two-col { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.2vw, 34px);
}
.card h2 { font-size: 1.3rem; margin-bottom: 14px; }
.feature-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-muted); font-size: 0.96rem; }
.feature-list .check {
  flex-shrink: 0; width: 24px; height: 24px; margin-top: 2px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #fff; font-size: 0.72rem; font-weight: 800;
  border-radius: 50%;
}
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 10px; }
.value-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.value-card h3 { margin-bottom: 10px; }

.contact-email { display: inline-block; margin-top: 16px; padding: 14px 22px; border-radius: var(--radius-sm); background: var(--bg-soft); border: 1px solid var(--border); font-family: var(--mono); color: var(--accent-3); }
.form-note { font-size: 0.84rem; color: var(--text-faint); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 52px 0 0;
  margin-top: auto;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 40px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text); margin-bottom: 16px; }
.footer-col p { font-size: 0.92rem; margin-top: 14px; max-width: 320px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.94rem; padding: 5px 0; }
.footer-col a:hover { color: var(--accent-3); text-decoration: none; }
.footer-col .social-row { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-col .social-row a {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 16px; border-radius: 9px;
  border: 1px solid var(--border);
  font-size: 0.85rem; font-weight: 600;
  color: var(--text-muted);
}
.footer-col .social-row a:hover { border-color: var(--accent); color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border-soft); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-bottom p { font-size: 0.88rem; color: var(--text-faint); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-1 { margin-top: 10px; } .mt-2 { margin-top: 20px; } .mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; } .mb-2 { margin-bottom: 20px; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-3);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 13px 22px;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 600px) {
  .tool-body { padding-top: 24px; }
}