/* ============================================
   Special Orthodontic LAB
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #07080c;
  --bg-2:    #0d0f16;
  --surface: #121520;
  --surface-2: #181c28;
  --border:  rgba(255,255,255,0.06);
  --border-2: rgba(255,255,255,0.1);
  --blue:    #1d4ed8;
  --blue-h:  #1e40af;
  --accent:  #60a5fa;
  --text:    #eef0f5;
  --muted:   #94a3b8;
  --dim:     #475569;
  --nav-h:   68px;
  --r:       10px;
}

html { background: var(--bg); scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Noto Sans KR', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; }
.d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; }

/* ── Header ─────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  background: rgba(7,8,12,.5);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.header.scrolled {
  background: rgba(7,8,12,.96);
  border-color: var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h); max-width: 1160px; margin: 0 auto; padding: 0 28px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--blue); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 18px; height: 18px; fill: #fff; }
.logo-ko { font-size: 13px; font-weight: 700; color: var(--text); }
.logo-en { font-size: 9px; color: var(--dim); letter-spacing: .12em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  font-size: 13px; font-weight: 500; color: var(--muted);
  padding: 7px 13px; border-radius: 7px;
  transition: color .2s, background .2s;
}
.nav a:hover, .nav a.active { color: var(--text); background: rgba(255,255,255,.05); }
.nav a.active { color: var(--accent); }
.nav .btn-nav {
  background: var(--blue); color: #fff !important;
  padding: 7px 18px; border-radius: 7px; font-weight: 600;
  transition: background .2s;
}
.nav .btn-nav:hover { background: var(--blue-h); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { display: block; width: 20px; height: 1.5px; background: var(--muted); border-radius: 2px; transition: .3s; }

.mobile-nav {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 899;
  background: rgba(7,8,12,.98); border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px); padding: 12px 20px 20px;
  flex-direction: column; gap: 2px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 14px; font-weight: 500; color: var(--muted); padding: 11px 14px; border-radius: 7px; transition: .2s; }
.mobile-nav a:hover, .mobile-nav a.active { color: var(--text); background: rgba(255,255,255,.05); }

/* ── Hero ───────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: var(--nav-h); position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 70% 60% at 55% 45%, rgba(29,78,216,.12) 0%, transparent 65%), var(--bg);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 56px 56px;
}
.hero-inner { position: relative; z-index: 1; padding: 80px 28px; max-width: 1160px; margin: 0 auto; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid rgba(96,165,250,.25); background: rgba(96,165,250,.07);
  border-radius: 100px; padding: 5px 14px; font-size: 11px; font-weight: 600;
  color: var(--accent); letter-spacing: .05em; margin-bottom: 28px;
}
.hero-tag span { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }

.hero h1 {
  font-size: clamp(38px, 5.5vw, 62px); font-weight: 800;
  line-height: 1.12; letter-spacing: -.03em; margin-bottom: 18px;
}
.hero h1 em { color: var(--accent); font-style: normal; }

.hero-sub {
  font-size: 16px; color: var(--muted); max-width: 460px; line-height: 1.75; margin-bottom: 36px;
}

.hero-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-primary {
  background: var(--blue); color: #fff; padding: 13px 26px; border-radius: 9px;
  font-size: 13px; font-weight: 600; transition: background .2s, transform .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary:hover { background: var(--blue-h); transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid var(--border-2); color: var(--muted); padding: 13px 24px;
  border-radius: 9px; font-size: 13px; font-weight: 500; transition: .2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }

.hero-stats { display: flex; gap: 40px; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }
.stat-num { font-size: 32px; font-weight: 800; color: var(--text); line-height: 1; }
.stat-label { font-size: 11px; color: var(--dim); margin-top: 4px; letter-spacing: .05em; }

/* ── Partner bar ───────────────────────── */
.partner-bar {
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.partner-bar-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap;
}
.partner-item { font-size: 12px; color: var(--dim); display: flex; align-items: center; gap: 8px; }
.partner-item strong { color: var(--muted); }
.sep { width: 1px; height: 14px; background: var(--border-2); }

/* ── Section ───────────────────────────── */
section { padding: 88px 0; }
.section-eyebrow { font-size: 10px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.section-title { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -.025em; line-height: 1.2; }
.section-desc { font-size: 14px; color: var(--muted); line-height: 1.8; margin-top: 10px; }
.section-hd { margin-bottom: 48px; }
.section-hd.center { text-align: center; }
.alt-bg { background: var(--bg-2); }

/* ── Grid helpers ──────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }

/* ── Card ──────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 26px;
  transition: border-color .25s, transform .25s;
}
.card:hover { border-color: rgba(29,78,216,.35); transform: translateY(-3px); }
.card-num { font-size: 10px; font-weight: 700; color: var(--blue); letter-spacing: .1em; margin-bottom: 14px; }
.card-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.card-desc { font-size: 13px; color: var(--muted); line-height: 1.75; }

/* Service cards */
.svc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.svc-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 22px;
  transition: border-color .25s;
}
.svc-card:hover { border-color: rgba(29,78,216,.3); }
.svc-card.wide { grid-column: span 2; }
.svc-tag { font-size: 10px; font-weight: 700; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.svc-title { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.svc-list { font-size: 12px; color: var(--dim); line-height: 2.1; }
.svc-link { font-size: 11px; font-weight: 600; color: var(--accent); margin-top: 14px; display: block; }

/* Strength cards */
.str-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.str-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px;
  transition: border-color .25s, transform .25s;
}
.str-card:hover { border-color: rgba(29,78,216,.3); transform: translateY(-3px); }
.str-n { font-size: 10px; font-weight: 700; color: var(--dim); letter-spacing: .1em; margin-bottom: 14px; }
.str-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.str-body { font-size: 13px; color: var(--muted); line-height: 1.75; }

/* Equipment */
.eq-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.eq-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 20px 16px; text-align: center;
  transition: border-color .2s;
}
.eq-card:hover { border-color: var(--border-2); }
.eq-name { font-size: 12px; font-weight: 600; margin-top: 8px; }
.eq-sub { font-size: 10px; color: var(--dim); margin-top: 3px; }

/* Software */
.sw-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 32px; }
.sw-card {
  background: rgba(29,78,216,.07); border: 1px solid rgba(29,78,216,.18);
  border-radius: var(--r); padding: 24px;
}
.sw-title { font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.sw-body { font-size: 12px; color: var(--muted); line-height: 1.7; }

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 20px; }
.tl-item { display: flex; gap: 14px; }
.tl-dot { width: 8px; height: 8px; background: var(--blue); border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.tl-year { font-size: 11px; font-weight: 700; color: var(--accent); min-width: 44px; }
.tl-text { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* CTA */
.cta-section {
  padding: 80px 0; text-align: center;
  background: linear-gradient(135deg, rgba(29,78,216,.12) 0%, rgba(17,24,39,.05) 100%);
  border-top: 1px solid rgba(29,78,216,.12); border-bottom: 1px solid rgba(29,78,216,.12);
}
.cta-section h2 { font-size: clamp(22px, 3vw, 34px); font-weight: 800; margin-bottom: 12px; letter-spacing: -.025em; }
.cta-section p { font-size: 14px; color: var(--muted); margin-bottom: 32px; }
.cta-phone { font-size: 26px; font-weight: 800; color: var(--accent); margin-bottom: 8px; display: block; }
.cta-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* Page header */
.page-hd {
  padding: calc(var(--nav-h) + 52px) 0 52px;
  background: radial-gradient(ellipse 60% 70% at 65% 50%, rgba(29,78,216,.1) 0%, transparent 60%), var(--bg);
  border-bottom: 1px solid var(--border);
}
.page-hd h1 { font-size: clamp(28px, 4vw, 46px); font-weight: 800; letter-spacing: -.03em; }
.page-hd p { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* ── Services page ─────────────────────── */
.svc-section { margin-bottom: 56px; }
.svc-section-hd { font-size: 17px; font-weight: 700; padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 10px; }
.prod-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; text-align: center;
  transition: border-color .2s, transform .2s;
}
.prod-card:hover { border-color: rgba(29,78,216,.3); transform: translateY(-2px); }
.prod-name { font-size: 12px; font-weight: 600; line-height: 1.4; }
.prod-sub { font-size: 10px; color: var(--dim); margin-top: 3px; }

/* Wax bite table */
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 12px; min-width: 680px; }
.tbl th { background: var(--surface-2); color: var(--accent); padding: 12px 14px; text-align: left; font-weight: 600; border-bottom: 1px solid var(--border); }
.tbl td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--muted); vertical-align: top; line-height: 1.5; }
.tbl td:first-child { color: var(--dim); font-weight: 600; }
.tbl td:nth-child(2) { color: var(--text); font-weight: 500; }
.tbl tr:hover td { background: rgba(255,255,255,.015); }

/* ── Gallery page ──────────────────────── */
.filter-bar { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 32px; }
.f-tab {
  padding: 6px 15px; border-radius: 100px; font-size: 12px; font-weight: 500;
  border: 1px solid var(--border); color: var(--muted); background: transparent;
  cursor: pointer; transition: .2s;
}
.f-tab:hover { border-color: var(--border-2); color: var(--text); }
.f-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.gal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 12px; }
.gal-item {
  border-radius: var(--r); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  aspect-ratio: 4/3; position: relative; cursor: pointer;
  transition: transform .25s, border-color .25s;
}
.gal-item:hover { transform: translateY(-3px); border-color: var(--border-2); }
.gal-item img { width: 100%; height: 100%; object-fit: cover; }
.gal-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,.55);
  display: flex; align-items: flex-end; padding: 14px;
  opacity: 0; transition: opacity .25s;
}
.gal-item:hover .gal-overlay { opacity: 1; }
.gal-title { font-size: 12px; font-weight: 600; color: #fff; }
.gal-cat { font-size: 10px; color: rgba(255,255,255,.55); margin-top: 2px; }

.gal-ph {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px; padding: 20px; text-align: center;
}
.gal-ph-name { font-size: 12px; font-weight: 600; color: var(--text); }
.gal-ph-cat { font-size: 10px; color: var(--dim); }

/* Lightbox */
.lb { display: none; position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,.94); align-items: center; justify-content: center; padding: 24px; }
.lb.open { display: flex; }
.lb-close { position: absolute; top: 18px; right: 22px; font-size: 24px; color: rgba(255,255,255,.6); cursor: pointer; transition: color .2s; }
.lb-close:hover { color: #fff; }
.lb img { max-width: 88vw; max-height: 85vh; object-fit: contain; border-radius: 8px; }

/* ── Contact page ──────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.info-cards { display: flex; flex-direction: column; gap: 12px; }
.info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 20px; display: flex; align-items: flex-start; gap: 14px;
}
.info-icon {
  width: 40px; height: 40px; background: rgba(29,78,216,.12);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.info-label { font-size: 10px; font-weight: 700; color: var(--dim); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 2px; }
.info-val { font-size: 14px; font-weight: 600; }
.info-sub { font-size: 11px; color: var(--dim); margin-top: 2px; }

.form-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 32px; }
.form-box h3 { font-size: 16px; font-weight: 700; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 16px; }
.form-label { font-size: 11px; font-weight: 600; color: var(--muted); display: block; margin-bottom: 6px; letter-spacing: .04em; }
.form-input, .form-textarea, .form-select {
  width: 100%; background: var(--bg); border: 1px solid var(--border-2);
  border-radius: 7px; padding: 10px 14px; font-size: 13px;
  color: var(--text); font-family: inherit; transition: border-color .2s;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { outline: none; border-color: var(--blue); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--dim); }
.form-textarea { resize: vertical; min-height: 110px; }
.form-select option { background: var(--bg-2); }
.form-submit {
  width: 100%; background: var(--blue); color: #fff;
  padding: 12px; border-radius: 8px; font-size: 13px; font-weight: 600;
  transition: background .2s; cursor: pointer;
}
.form-submit:hover { background: var(--blue-h); }
.form-success { display: none; background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.25); border-radius: 7px; padding: 14px; font-size: 13px; color: #4ade80; text-align: center; margin-top: 14px; }

.hours-table { width: 100%; font-size: 12px; border-collapse: collapse; margin-top: 6px; }
.hours-table td { padding: 8px 0; border-bottom: 1px solid var(--border); }
.hours-table td:last-child { text-align: right; font-weight: 600; }

.map-box { border-radius: var(--r); overflow: hidden; border: 1px solid var(--border); height: 260px; margin-top: 12px; }
.map-box iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ── Footer ────────────────────────────── */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 44px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; }
.footer-brand p { font-size: 12px; color: var(--dim); line-height: 1.8; margin-top: 14px; }
.footer-col h4 { font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 7px; }
.footer-links a { font-size: 12px; color: var(--dim); transition: color .2s; }
.footer-links a:hover { color: var(--muted); }
.footer-info { font-size: 12px; color: var(--dim); margin-bottom: 6px; display: flex; gap: 8px; }
.footer-info b { color: var(--muted); min-width: 36px; }
.footer-bottom { max-width: 1160px; margin: 28px auto 0; padding: 20px 28px 0; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p, .footer-bottom span { font-size: 11px; color: var(--dim); }
.footer-badge { background: rgba(29,78,216,.1); border: 1px solid rgba(29,78,216,.2); border-radius: 100px; padding: 3px 10px; }

/* ── Responsive ────────────────────────── */
@media (max-width: 768px) {
  .container, .header-inner { padding: 0 18px; }
  .nav { display: none; }
  .hamburger { display: flex; }
  .grid-2 { grid-template-columns: 1fr; gap: 28px; }
  .grid-3, .str-grid, .svc-grid { grid-template-columns: 1fr; }
  .grid-4, .eq-grid { grid-template-columns: 1fr 1fr; }
  .sw-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .svc-card.wide { grid-column: span 1; }
  .partner-bar-inner { flex-direction: column; gap: 6px; }
  .sep { display: none; }
  section { padding: 60px 0; }
  .gal-grid { grid-template-columns: 1fr 1fr; }
  .prod-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .gal-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}