/* ============================================================
   devscent — Elegant Dark landing
   Ported from Claude Design bundle (index.html / split hero)
   ============================================================ */

.index-elegant,
.index-elegant *,
.index-elegant *::before,
.index-elegant *::after {
  box-sizing: border-box;
}

.index-elegant {
  --bg:             #08090C;
  --surface:        #101218;
  --surface-alt:    #161921;
  --surface-raised: #1E2230;
  --fg:             #E6E4DF;
  --fg-dim:         rgba(230, 228, 223, 0.6);
  --muted:          #565D72;
  --border:         #1E2232;
  --border-strong:  #2C3148;

  --primary:        #2562EB;
  --primary-hover:  #1D4FCC;
  --primary-glow:   rgba(37, 98, 235, 0.22);
  --accent:         #34D399;
  --accent-hover:   #28B880;
  --accent-dim:     rgba(52, 211, 153, 0.12);
  --highlight:      #60A5FA;

  --font-head: 'Syne', 'IBM Plex Sans KR', system-ui, sans-serif;
  --font-body: 'DM Sans', 'IBM Plex Sans KR', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --max-w: 1320px;
  --nav-h: 72px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.index-elegant html { scroll-behavior: smooth; }

.index-elegant a { color: inherit; text-decoration: none; }
.index-elegant img { max-width: 100%; display: block; }
.index-elegant button { font-family: var(--font-body); cursor: pointer; }

/* ── Layout ── */
.index-elegant .container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 768px) {
  .index-elegant .container { padding: 0 24px; }
}

/* ── Typography ── */
.index-elegant .t-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.index-elegant .t-h1 {
  font-family: var(--font-head);
  font-size: clamp(52px, 7vw, 108px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--fg);
  white-space: pre-line;
}

.index-elegant .t-h2 {
  font-family: var(--font-head);
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--fg);
}

.index-elegant .t-h3 {
  font-family: var(--font-head);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg);
}

.index-elegant .t-body      { font-size: 16px; line-height: 1.7; color: var(--fg-dim); }
.index-elegant .t-body-sm   { font-size: 14px; line-height: 1.6; color: var(--fg-dim); }

/* ── Buttons ── */
.index-elegant .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: none;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}

.index-elegant .btn-primary {
  background: var(--primary);
  color: #fff;
}
.index-elegant .btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.index-elegant .btn-ghost {
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--border-strong);
}
.index-elegant .btn-ghost:hover {
  color: var(--fg);
  border-color: var(--fg-dim);
  transform: translateY(-1px);
}

.index-elegant .btn-accent {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(52, 211, 153, 0.25);
}
.index-elegant .btn-accent:hover {
  background: rgba(52, 211, 153, 0.2);
  transform: translateY(-1px);
}

.index-elegant .btn-arrow {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── Cards ── */
.index-elegant .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s var(--ease-out), box-shadow 0.25s;
  display: block;
  cursor: pointer;
  text-decoration: none;
}
.index-elegant .card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* ── Tag/Badge ── */
.index-elegant .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  background: var(--surface-alt);
  color: var(--muted);
  border: 1px solid var(--border);
}
.index-elegant .tag-accent {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(52, 211, 153, 0.2);
}
.index-elegant .tag-blue {
  background: rgba(37, 98, 235, 0.12);
  color: var(--highlight);
  border-color: rgba(96, 165, 250, 0.2);
}

/* ── Section ── */
.index-elegant .section     { padding: 120px 0; }
.index-elegant .section-sm  { padding: 80px 0; }
.index-elegant .divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ── Scroll reveal ── */
.index-elegant .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.index-elegant .reveal.visible {
  opacity: 1;
  transform: none;
}
.index-elegant .reveal-delay-1 { transition-delay: 0.1s; }
.index-elegant .reveal-delay-2 { transition-delay: 0.2s; }
.index-elegant .reveal-delay-3 { transition-delay: 0.3s; }
.index-elegant .reveal-delay-4 { transition-delay: 0.4s; }

/* ── Noise overlay ── */
.index-elegant.noise::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  z-index: 9999;
}

/* ── Placeholder image ── */
.index-elegant .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Nav ── */
.index-elegant .nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.3s, border-color 0.3s;
}
.index-elegant .nav.scrolled {
  background: rgba(8, 9, 12, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.index-elegant .nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.index-elegant .nav-logo {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 6px;
}
.index-elegant .nav-logo span { color: var(--accent); }
.index-elegant .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.index-elegant .nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 400;
  color: var(--fg-dim);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.index-elegant .nav-link:hover,
.index-elegant .nav-link.active {
  color: var(--fg);
  background: var(--surface-alt);
}
.index-elegant .nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Lang dropdown ── */
.index-elegant .lang-dd {
  position: relative;
}
.index-elegant .lang-dd-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.index-elegant .lang-dd-btn.open {
  background: var(--surface-alt);
}
.index-elegant .lang-dd-flag {
  width: 20px;
  height: auto;
  border-radius: 2px;
  display: block;
}
.index-elegant .lang-dd-chevron {
  margin-left: 2px;
  opacity: 0.5;
  transition: transform 0.2s;
}
.index-elegant .lang-dd.open .lang-dd-chevron {
  transform: rotate(180deg);
}
.index-elegant .lang-dd-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  min-width: 140px;
  z-index: 999;
}
.index-elegant .lang-dd.open .lang-dd-menu { display: block; }
.index-elegant .lang-dd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  background: transparent;
  border: none;
  color: var(--fg-dim);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  text-align: left;
  transition: background 0.12s;
}
.index-elegant .lang-dd-item.active {
  background: var(--surface-alt);
  color: var(--fg);
  font-weight: 500;
}
.index-elegant .lang-dd-item:hover {
  background: var(--surface-raised);
}
.index-elegant .lang-dd-item img {
  width: 22px;
  height: auto;
  border-radius: 2px;
  display: block;
}
.index-elegant .lang-dd-item .lang-dd-check {
  margin-left: auto;
}

/* ── Footer ── */
.index-elegant .footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
}
.index-elegant .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.index-elegant .footer-brand-mark {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.index-elegant .footer-brand-mark span { color: var(--accent); }
.index-elegant .footer-brand p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  max-width: 260px;
}
.index-elegant .footer-col h4 {
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
  font-weight: 500;
}
.index-elegant .footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.index-elegant .footer-col ul li a {
  font-size: 14px;
  color: var(--fg-dim);
  transition: color 0.2s;
}
.index-elegant .footer-col ul li a:hover { color: var(--fg); }
.index-elegant .footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.index-elegant .footer-bottom p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
.index-elegant .footer-bottom .footer-made {
  font-size: 12px;
}

@media (max-width: 900px) {
  .index-elegant .footer-grid { grid-template-columns: 1fr 1fr; }
  .index-elegant .nav-links { display: none; }
  .index-elegant .nav-inner { padding: 0 24px; }
}

/* ── Hero ── */
.index-elegant .hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.index-elegant #hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}
.index-elegant .hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

/* Split variant (default) */
.index-elegant .hero-split .hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: 100vh;
  padding-top: var(--nav-h);
}
.index-elegant .hero-split .hero-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.index-elegant .hero-split .hero-right {
  position: relative;
}

/* Hero anim */
.index-elegant .hero-anim {
  opacity: 0;
  transform: translateY(32px);
  animation: heroIn 0.9s var(--ease-out) forwards;
}
.index-elegant .hero-anim-1 { animation-delay: 0.1s; }
.index-elegant .hero-anim-2 { animation-delay: 0.3s; }
.index-elegant .hero-anim-3 { animation-delay: 0.5s; }
.index-elegant .hero-anim-4 { animation-delay: 0.7s; }
@keyframes heroIn {
  to { opacity: 1; transform: none; }
}

/* Scroll indicator */
.index-elegant .scroll-ind {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.index-elegant .scroll-line {
  width: 40px;
  height: 1px;
  background: var(--border-strong);
  position: relative;
  overflow: hidden;
}
.index-elegant .scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent);
  animation: scanLine 2s ease-in-out infinite;
}
@keyframes scanLine {
  0%   { left: -100%; }
  100% { left: 100%; }
}

/* Code window mockup */
.index-elegant .code-window {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
  transform: rotate(1.5deg);
}
.index-elegant .code-window-bar {
  background: var(--surface-alt);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.index-elegant .code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.index-elegant .code-file {
  margin-left: 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--muted);
}
.index-elegant .code-body {
  padding: 24px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
}
.index-elegant .code-line {
  display: flex;
  gap: 16px;
}
.index-elegant .code-line.empty { opacity: 0.3; }
.index-elegant .code-ln {
  color: var(--muted);
  width: 20px;
  text-align: right;
  user-select: none;
  flex-shrink: 0;
}
.index-elegant .code-kw  { color: #7C8DFF; }
.index-elegant .code-fn  { color: #34D399; }
.index-elegant .code-str { color: #F4A261; }
.index-elegant .code-cm  { color: var(--muted); }
.index-elegant .code-var { color: var(--fg); }
.index-elegant .code-num { color: #60A5FA; }

/* Latest build badge */
.index-elegant .hero-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 16px;
  backdrop-filter: blur(8px);
}
.index-elegant .hero-badge-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-bottom: 4px;
}
.index-elegant .hero-badge-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
}

/* ── Works grid ── */
.index-elegant .section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  gap: 24px;
}
.index-elegant .section-label-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.index-elegant .section-label-bar {
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.index-elegant .works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .index-elegant .works-grid { grid-template-columns: 1fr; }
  .index-elegant .hero-split .hero-inner { grid-template-columns: 1fr; }
  .index-elegant .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

.index-elegant .project-card .project-media {
  height: 220px;
  position: relative;
  overflow: hidden;
}
.index-elegant .project-card .project-media-overlay {
  position: absolute;
  inset: 0;
}
.index-elegant .project-card .project-number {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(8, 9, 12, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--muted);
}
.index-elegant .project-card .project-body {
  padding: 24px 28px 28px;
}
.index-elegant .project-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--fg);
}
.index-elegant .project-card p {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
  margin: 0 0 16px;
}
.index-elegant .project-card .project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ── Services ── */
.index-elegant .services-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.index-elegant .services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1100px) {
  .index-elegant .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .index-elegant .services-grid { grid-template-columns: 1fr; }
}

.index-elegant .service-card {
  display: block;
  color: inherit;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px 32px;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}
.index-elegant .service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.index-elegant .service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 20px;
}
.index-elegant .service-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--fg);
}
.index-elegant .service-card p {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.65;
  margin: 0;
}

/* ── About strip ── */
.index-elegant .about-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.index-elegant .about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
}
@media (max-width: 768px) {
  .index-elegant .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
.index-elegant .about-title {
  white-space: pre-line;
  margin: 0 0 24px;
}
.index-elegant .about-desc {
  max-width: 440px;
  margin: 0 0 32px;
}
.index-elegant .stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.index-elegant .stat-item {
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid var(--border);
}
.index-elegant .stat-num {
  font-family: var(--font-head);
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1;
}
.index-elegant .stat-num.accent { color: var(--highlight); }
.index-elegant .stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* Hero stats */
.index-elegant .hero-stats {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}
.index-elegant .hero-stat {
  padding-right: 16px;
  border-right: 1px solid var(--border);
}
.index-elegant .hero-stat:last-child {
  border-right: none;
}
.index-elegant .hero-stat-num {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.index-elegant .hero-stat-num span {
  color: var(--highlight);
}
.index-elegant .hero-stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── CTA Section ── */
.index-elegant .cta-section {
  background: linear-gradient(135deg, #0D1220 0%, #0A0F1A 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.index-elegant .cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(37, 98, 235, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.index-elegant .cta-inner {
  position: relative;
  z-index: 2;
}
.index-elegant .cta-title {
  white-space: pre-line;
  margin: 0 0 16px;
}
.index-elegant .cta-desc {
  font-size: 17px;
  color: var(--fg-dim);
  margin: 0;
}
.index-elegant .cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}
.index-elegant .cta-btns .btn {
  padding: 16px 32px;
  font-size: 16px;
}