/* ═══════════════════════════════════════════════════════════
   NeoSolution — Global Stylesheet
   "데이터로 읽는 소비 트렌드"
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  --primary:       #0f2b46;
  --primary-light: #1a3a5c;
  --primary-dark:  #0a1f33;
  --accent:        #2563eb;
  --accent-hover:  #1d4ed8;
  --accent-light:  #dbeafe;
  --secondary:     #059669;
  --secondary-light:#d1fae5;

  --up:            #16a34a;
  --down:          #dc2626;
  --neutral:       #6b7280;
  --gold:          #f59e0b;
  --warning:       #f97316;

  --bg:            #f8fafc;
  --bg-card:       #ffffff;
  --bg-subtle:     #f1f5f9;
  --bg-dark:       #0f172a;
  --text:          #1e293b;
  --text-muted:    #64748b;
  --text-light:    #94a3b8;
  --border:        #e2e8f0;
  --border-strong: #cbd5e1;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.04);
  --shadow-xl:  0 20px 40px rgba(0,0,0,.12);

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-full: 9999px;

  --font-sans:  'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Noto Serif KR', Georgia, serif;
  --font-mono:  'SF Mono', 'Fira Code', Consolas, monospace;

  --transition: 0.2s ease;
  --max-width:  1200px;
  --content-width: 820px;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* ── Header & Nav ───────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}

header nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
}

.site-title {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.site-logo {
  height: 32px;
  width: auto;
}

.site-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}

.site-name span { color: var(--accent); }

.site-tagline {
  font-size: 0.7rem;
  color: rgba(255,255,255,.45);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 0.15rem;
  margin-left: 1.5rem;
}

.nav-links a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,.1);
}

.nav-cta {
  margin-left: auto;
}

.nav-cta a {
  background: var(--accent);
  color: #fff !important;
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition);
}

.nav-cta a:hover {
  background: var(--accent-hover);
}

/* ── Mobile Menu ────────────────────────────────────────── */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 768px) {
  .menu-toggle { display: block; margin-left: auto; }
  .nav-links { display: none; width: 100%; margin-left: 0; flex-direction: column; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.6rem 0.8rem; width: 100%; }
  .nav-cta { display: none; }
  .nav-cta.open { display: block; width: 100%; margin-left: 0; margin-top: 0.5rem; }
  .nav-cta a { display: block; text-align: center; }
}

/* ── Main Layout ────────────────────────────────────────── */
main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

main.wide {
  max-width: var(--max-width);
}

/* ── Homepage Hero ──────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 4rem 2rem 3rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  margin: -2rem -1.5rem 3rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero h1 span { color: var(--gold); }

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.8rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); color: #fff; }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.35);
}

.btn-outline:hover { border-color: #fff; color: #fff; }

/* ── Section Headers ────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card-sm {
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

/* ── Insight Cards ──────────────────────────────────────── */
.insight-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.insight-card .card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.insight-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.insight-card .card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.insight-card .card-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-muted);
}

.tag-accent {
  background: var(--accent-light);
  color: var(--accent);
}

/* ── NCI Gauge ──────────────────────────────────────────── */
.nci-section {
  margin: 2rem 0;
}

.nci-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.nci-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nci-hint {
  font-size: 0.72rem;
  color: var(--text-light);
}

.nci-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.nci-gauges {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.nci-gauge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nci-gauge-label {
  width: 120px;
  flex-shrink: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

.nci-gauge-track {
  flex: 1;
  height: 24px;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.nci-gauge-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

.nci-gauge-val {
  width: 45px;
  flex-shrink: 0;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: right;
}

/* ── ISI Bars ───────────────────────────────────────────── */
.isi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.isi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  text-align: center;
}

.isi-sector {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.isi-value {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.2;
}

.isi-change {
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.isi-change.up { color: var(--up); }
.isi-change.down { color: var(--down); }
.isi-change.flat { color: var(--neutral); }

/* ── Prediction Cards ───────────────────────────────────── */
.prediction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.prediction-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.prediction-direction {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  flex-shrink: 0;
}

.prediction-direction.up { background: #dcfce7; color: var(--up); }
.prediction-direction.down { background: #fee2e2; color: var(--down); }
.prediction-direction.neutral { background: var(--bg-subtle); color: var(--neutral); }

.prediction-info { flex: 1; }
.prediction-asset { font-weight: 700; font-size: 0.9rem; }
.prediction-label { font-size: 0.78rem; color: var(--text-muted); }
.prediction-confidence { font-size: 0.75rem; font-weight: 600; color: var(--accent); }

/* ── Key Numbers ────────────────────────────────────────── */
.key-numbers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.key-number {
  text-align: center;
  padding: 1rem;
}

.key-number-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.key-number-value {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
}

.key-number-change {
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

/* ── Service Cards ──────────────────────────────────────── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.service-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* ── CTA Banner ─────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
  margin: 3rem 0;
}

.cta-banner h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: rgba(255,255,255,.75);
  margin-bottom: 1.5rem;
}

.cta-banner .btn-primary {
  background: var(--gold);
  color: var(--primary);
}

.cta-banner .btn-primary:hover {
  background: #eab308;
}

/* ── Newsletter Signup ──────────────────────────────────── */
.newsletter-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
}

.newsletter-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.newsletter-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  max-width: 420px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-sans);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.newsletter-form button {
  padding: 0.6rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.newsletter-form button:hover {
  background: var(--accent-hover);
}

/* ── Editorial Content ──────────────────────────────────── */
.editorial-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.editorial-content h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
  color: var(--primary);
}

.editorial-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  color: var(--text);
}

.editorial-content p { margin-bottom: 1.25rem; }

.editorial-content ul, .editorial-content ol {
  margin: 1rem 0 1.25rem 1.5rem;
}

.editorial-content li { margin-bottom: 0.4rem; }

.editorial-content blockquote {
  border-left: 4px solid var(--accent);
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--bg-subtle);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
}

.editorial-content strong { color: var(--primary); }

.editorial-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Insight Box ────────────────────────────────────────── */
.insight-box {
  background: linear-gradient(135deg, var(--accent-light) 0%, #eff6ff 100%);
  border: 1px solid rgba(37,99,235,.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}

.insight-box-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.insight-box-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}

/* ── Tomorrow Signals ───────────────────────────────────── */
.tomorrow-signals {
  margin: 2rem 0;
}

.tomorrow-signals h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.signal-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.signal-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.signal-icon {
  width: 28px;
  height: 28px;
  background: var(--gold);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
}

.signal-title { font-weight: 700; font-size: 0.9rem; }
.signal-body { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.6);
  padding: 3rem 2rem 2rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-contact {
  font-size: 0.8rem;
  line-height: 1.8;
}

.footer-section h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-section a {
  display: block;
  font-size: 0.82rem;
  padding: 0.2rem 0;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}

.footer-section a:hover { color: #fff; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ── Share Buttons ──────────────────────────────────────── */
.share-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  transition: opacity var(--transition);
}

.share-btn:hover { opacity: 0.85; color: #fff; }
.share-btn-kakao { background: #fee500; color: #3c1e1e !important; }
.share-btn-naver { background: #03c75a; }
.share-btn-telegram { background: #0088cc; }
.share-btn-link { background: var(--text-muted); }

/* ── Disclaimer ─────────────────────────────────────────── */
.disclaimer {
  font-size: 0.75rem;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.5rem;
  line-height: 1.7;
}

/* ── Utility ────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }