/*
 * dp.css — 신남오토 세부 페이지 공용 디자인 시스템
 * 메인 페이지(html.php) 브랜드 기준 통일
 */

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

:root {
  --primary:     #1a1a2e;
  --secondary:   #16213e;
  --hero-from:   #0f172a;
  --hero-to:     #1e293b;
  --accent:      #e94560;
  --accent-dark: #c73350;
  --white:       #ffffff;
  --gray-50:     #f8f9fa;
  --gray-100:    #f1f3f5;
  --gray-200:    #e9ecef;
  --gray-300:    #dee2e6;
  --gray-400:    #ced4da;
  --gray-500:    #adb5bd;
  --gray-600:    #868e96;
  --gray-700:    #495057;
  --gray-800:    #343a40;
  --gray-900:    #212529;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:   0 8px 30px rgba(0,0,0,.12);
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --max-w:       1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--gray-900);
  background: var(--white);
  overflow-x: hidden;
  word-break: keep-all;
}

h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; }

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

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

/* ── Layout ───────────────────────────────────── */
.dp-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.dp-section {
  padding: 80px 24px;
}

.dp-section-alt {
  padding: 80px 24px;
  background: var(--gray-50);
}

/* ── Hero ─────────────────────────────────────── */
.dp-hero {
  position: relative;
  padding: 140px 24px 88px;
  background: linear-gradient(160deg, var(--hero-from) 0%, var(--hero-to) 100%);
  overflow: hidden;
  text-align: center;
}

.dp-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.dp-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 48px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.dp-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.dp-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--white);
  margin-bottom: 16px;
}

.dp-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  font-weight: 300;
  margin-bottom: 32px;
  line-height: 1.8;
}

.dp-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 50px;
  transition: background .2s, transform .2s;
}

.dp-hero-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

/* ── Typography ───────────────────────────────── */
.dp-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.dp-title {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  color: var(--gray-900);
  margin-bottom: 12px;
}

.dp-subtitle {
  font-size: 15px;
  color: var(--gray-600);
  font-weight: 400;
  margin-bottom: 48px;
}

/* ── SEO Text Block ───────────────────────────── */
.dp-prose {
  max-width: 720px;
  margin: 0 auto;
}

.dp-prose p {
  color: var(--gray-700);
  margin-bottom: 20px;
  font-weight: 300;
}

.dp-prose strong { font-weight: 600; color: var(--gray-900); }

/* ── Cards ────────────────────────────────────── */
.dp-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 36px;
  transition: transform .3s, box-shadow .3s;
}

.dp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.dp-card-dark {
  background: linear-gradient(135deg, var(--hero-from) 0%, var(--hero-to) 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 36px;
  color: var(--white);
  transition: transform .3s, box-shadow .3s;
}

.dp-card-dark:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ── Compare Table ────────────────────────────── */
.dp-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.dp-compare-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.dp-compare-label-before {
  background: var(--gray-100);
  color: var(--gray-600);
}

.dp-compare-label-after {
  background: rgba(233,69,96,.15);
  color: var(--accent);
}

.dp-compare-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
}

.dp-compare-row:last-child { border-bottom: none; }

.dp-compare-row span:first-child { color: var(--gray-600); font-weight: 300; }
.dp-compare-row span:last-child  { font-weight: 700; color: var(--gray-900); }

.dp-card-dark .dp-compare-row { border-bottom-color: rgba(255,255,255,.1); }
.dp-card-dark .dp-compare-row span:first-child { color: rgba(255,255,255,.65); }
.dp-card-dark .dp-compare-row span:last-child  { color: var(--white); }

/* ── Icon Box ─────────────────────────────────── */
.dp-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(233,69,96,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  flex-shrink: 0;
}

/* ── Related Links Grid ───────────────────────── */
.dp-rel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.dp-rel-card {
  display: block;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.dp-rel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.dp-rel-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.dp-rel-card p {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 300;
  line-height: 1.6;
}

/* ── YouTube ──────────────────────────────────── */
.dp-yt-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.dp-yt-embed {
  position: relative;
  padding-bottom: 56.25%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.dp-yt-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── CTA Section ──────────────────────────────── */
.dp-cta-section {
  padding: 80px 24px;
  background: linear-gradient(160deg, var(--hero-from) 0%, var(--hero-to) 100%);
  text-align: center;
}

.dp-cta-section h2 {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  color: var(--white);
  margin-bottom: 12px;
}

.dp-cta-section p {
  color: rgba(255,255,255,.65);
  font-weight: 300;
  margin-bottom: 36px;
}

.dp-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  padding: 16px 40px;
  border-radius: 50px;
  transition: background .2s, transform .2s;
}

.dp-cta-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.dp-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.dp-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 50px;
}

/* ── Floating Action Button ───────────────────── */
.dp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(233,69,96,.45);
  transition: background .2s, transform .2s;
}

.dp-fab:hover {
  background: var(--accent-dark);
  transform: scale(1.08);
}

.dp-fab::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: rgba(233,69,96,.25);
  animation: dp-pulse 2.5s infinite;
}

@keyframes dp-pulse {
  0%   { transform: scale(1);   opacity: .6; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ── Fade-in animation ────────────────────────── */
.dp-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.23,1,.32,1), transform .7s cubic-bezier(.23,1,.32,1);
}

.dp-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ───────────────────────────────── */
@media (max-width: 768px) {
  .dp-section, .dp-section-alt, .dp-cta-section { padding: 56px 20px; }
  .dp-hero { padding: 120px 20px 72px; }
  .dp-compare-grid { grid-template-columns: 1fr; }
  .dp-rel-grid { grid-template-columns: 1fr; }
  .dp-card, .dp-card-dark { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .dp-hero h1 { font-size: 1.75rem; }
  .dp-rel-grid { grid-template-columns: repeat(2, 1fr); }
}