/* ════════════════════════════════════════════════
   AutoSite Tools — Luxury Dark Design System
   Aesthetic DNA: BrewOak / Setupod Flagship Dark
   Deep Velvet Onyx + Neon Emerald / Mint Cyan Glow
   ════════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

:root {
  /* Brand Atmospheric Dark Colors */
  --bg-primary: #060908;
  --bg-radial: #0d1a16;
  --bg-card: rgba(12, 22, 19, 0.72);
  --bg-card-hover: rgba(18, 32, 28, 0.85);
  --bg-card-active: rgba(22, 42, 36, 0.95);
  --bg-input: rgba(6, 12, 10, 0.65);

  /* Delicate Luminous Borders */
  --border-subtle: rgba(16, 185, 129, 0.14);
  --border-hover: rgba(16, 185, 129, 0.32);
  --border-strong: rgba(16, 185, 129, 0.5);

  /* Accent: Neon Emerald → Mint Cyan */
  --accent-1: #10b981;
  --accent-2: #06b6d4;
  --accent-3: #34d399;
  --accent-glow: rgba(16, 185, 129, 0.28);
  --accent-glow-strong: rgba(16, 185, 129, 0.5);
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --accent-gradient-soft: linear-gradient(135deg, rgba(16, 185, 129, 0.18) 0%, rgba(6, 182, 212, 0.12) 100%);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(240, 253, 244, 0.72);
  --text-tertiary: rgba(240, 253, 244, 0.45);
  --text-muted: rgba(240, 253, 244, 0.3);

  /* Spacing */
  --container-max: 1100px;
  --container-narrow: 820px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-pill: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s var(--ease-out);
  --transition-med: all 0.3s var(--ease-out);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at 50% -12%, var(--bg-radial) 0%, var(--bg-primary) 68%), var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* ── Subtle Dot Matrix Texture (BrewOak DNA) ── */
.bg-mesh {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(16, 185, 129, 0.08) 1px, transparent 0);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* ── Typography & Gradient Text ── */
.font-display {
  font-family: 'Montserrat', sans-serif;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Containers ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ── Luxury Glass Cards (Cockpit Glass Panel) ── */
.card-box, .calc-card, .doc-box, .tool-card, .guide-card, .legal-box {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  z-index: 1;
  transition: var(--transition-med);
}

.card-box:hover, .calc-card:hover, .tool-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.7), 0 0 30px var(--accent-glow);
}

/* ── High-End Form Inputs ── */
.form-input, .form-select {
  width: 100%;
  height: 50px;
  padding: 0 42px 0 16px;
  border-radius: var(--radius-md);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  font-family: 'Montserrat', 'Pretendard', sans-serif;
  font-size: 16px;
  font-weight: 700;
  outline: none;
  transition: var(--transition-fast);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent-1);
  background: rgba(10, 20, 16, 0.85);
  box-shadow: 0 0 0 3px var(--accent-glow), inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

/* ── Luxury Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  height: 52px;
  padding: 0 28px;
  border-radius: 14px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 15px;
  box-shadow: 0 4px 20px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow-strong), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  filter: brightness(1.08);
}

.btn--secondary {
  height: 44px;
  padding: 0 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 14px;
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  color: #ffffff;
}

/* ── Pill Badges ── */
.badge-pill, .section-badge, .top-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.32);
  color: #6ee7b7;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.18);
}

/* ── Site Footer ── */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(4, 8, 7, 0.9);
  padding: 40px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: var(--text-tertiary);
}

.footer-bottom-links {
  display: flex;
  gap: 18px;
}

.footer-bottom-links a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}