/* =========================================================
   MediFex — Design System
   ========================================================= */

:root {
  /* Brand */
  --bg-0: #05101F;          /* deepest */
  --bg-1: #0A1A2E;          /* base */
  --bg-2: #0F2540;          /* elevated */
  --bg-3: #14315A;          /* panel */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);

  --fg-0: #F6F8FC;          /* primary text */
  --fg-1: #C9D3E2;          /* secondary */
  --fg-2: #8FA0B8;          /* tertiary */
  --fg-3: #5D6E87;          /* muted */

  /* Accents — cool tech gradient family */
  --c-cyan: #5EE7FF;
  --c-blue: #4F8EFF;
  --c-violet: #8B7CFF;
  --c-mint: #6EF2C3;
  --c-warn: #FFB454;

  --grad-aurora: linear-gradient(120deg, #5EE7FF 0%, #4F8EFF 45%, #8B7CFF 100%);
  --grad-aurora-soft: linear-gradient(120deg, rgba(94,231,255,.18), rgba(139,124,255,.18));
  --grad-glow: radial-gradient(60% 80% at 50% 0%, rgba(79,142,255,.35), transparent 70%);

  /* Type scale — Pretendard everywhere */
  --f-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --f-mono: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --f-display: "Pretendard", system-ui, sans-serif;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;
  --sp-10: 128px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, p, li, span, a, div, label, button { word-break: keep-all; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

/* ─── Background canvas — subtle grid + glow ────────────── */
.bg-canvas {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(94,231,255,.10), transparent 60%),
    radial-gradient(700px 500px at 10% 110%, rgba(139,124,255,.10), transparent 60%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}
/* Floating aurora blobs */
.bg-blob {
  position: fixed;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
}
.bg-blob.b1 {
  background: radial-gradient(circle, var(--c-cyan), transparent 60%);
  top: -200px; right: -200px;
  animation: blobFloat1 22s ease-in-out infinite;
}
.bg-blob.b2 {
  background: radial-gradient(circle, var(--c-violet), transparent 60%);
  bottom: -200px; left: -200px;
  animation: blobFloat2 28s ease-in-out infinite;
}
@keyframes blobFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-80px, 120px) scale(1.15); }
  66% { transform: translate(60px, -40px) scale(0.95); }
}
@keyframes blobFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(120px, -80px) scale(1.1); }
}

/* Shimmer for grad-text */
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.grad-text {
  background-size: 200% auto;
  animation: gradShift 6s ease-in-out infinite;
}

/* Hover lift refinement */
.card, .driver-card, .market-card, .service-card, .team-card, .sol-card {
  will-change: transform;
}

/* Pulse for tag dots */
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(94,231,255,.7); }
  50% { box-shadow: 0 0 0 6px rgba(94,231,255,0); }
}
.tag .dot { animation: dotPulse 2.4s ease-in-out infinite; }

/* Scale-in animation for stats */
@keyframes scaleIn {
  from { transform: scale(.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.reveal.scale-in.in {
  animation: scaleIn .8s var(--ease);
}
.bg-grid {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 30%, #000 30%, transparent 80%);
}

/* ─── Layout primitives ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: 32px;
  position: relative;
  z-index: 1;
}
@media (max-width: 720px) { .container { padding-inline: 20px; } }

section { position: relative; z-index: 1; }

/* ─── Top Nav ────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(5, 16, 31, 0.55);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 15px;
}
.brand-logo {
  height: 22px;
  width: auto;
  display: block;
}
.footer .brand-logo { height: 26px; }
.brand-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--grad-aurora);
  position: relative;
  box-shadow: 0 0 24px rgba(94,231,255,.35);
}
.brand-mark::after {
  content: ""; position: absolute; inset: 6px;
  background: var(--bg-0); border-radius: 3px;
}
.brand-mark::before {
  content: ""; position: absolute;
  width: 4px; height: 4px; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: var(--c-cyan); border-radius: 50%;
  box-shadow: 0 0 8px var(--c-cyan);
  z-index: 1;
}
.nav-links {
  display: flex; gap: 36px; list-style: none;
  font-size: 14px; font-weight: 500;
}
.nav-links a {
  color: var(--fg-1); transition: color .2s var(--ease);
  position: relative; padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--fg-0); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--grad-aurora); border-radius: 2px;
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
  background: var(--grad-aurora);
  color: #04101E;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(94,231,255,.35);
}
/* ── Hamburger toggle (mobile only) ── */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  align-items: center; justify-content: center;
  padding: 0;
  position: relative;
  z-index: 101;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px; height: 2px;
  background: var(--fg-0);
  border-radius: 2px;
  position: relative;
  transition: transform .25s var(--ease), opacity .2s var(--ease), background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top:  6px; }
.nav-toggle.open span             { background: transparent; }
.nav-toggle.open span::before     { transform: translateY(6px)  rotate(45deg); }
.nav-toggle.open span::after      { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 880px) {
  /* 햄버거를 로고보다 왼쪽으로, 정렬을 좌측 시작으로 */
  .nav-inner { justify-content: flex-start; gap: 12px; }
  .nav-toggle { display: inline-flex; order: -1; }
  .nav-inner > nav { margin-left: auto; }
  .nav-links { display: none; }
  .nav-cta { display: none; }

  /* 메뉴 열림: backdrop-filter 제거 → fixed 자식이 viewport 기준이 되도록 */
  .nav.open {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg-0);
  }

  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    list-style: none;
    position: fixed;
    top: 68px; left: 0; right: 0; bottom: 0;
    background: var(--bg-0);
    padding: 8px 20px 120px;
    border-top: 1px solid var(--line);
    z-index: 99;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .nav.open .nav-links li { border-bottom: 1px solid var(--line); }
  .nav.open .nav-links a  { display: block; padding: 22px 4px; font-size: 18px; }
  .nav.open .nav-cta {
    display: inline-flex;
    position: fixed;
    bottom: 24px; left: 20px; right: 20px;
    justify-content: center;
    z-index: 100;
    padding: 16px 20px;
    font-size: 15px;
  }
}

/* ─── Typography ─────────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: 12px; font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fg-2);
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px;
  background: var(--grad-aurora);
}
.eyebrow.no-line::before { display: none; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--fg-0);
  text-wrap: balance;
}
.h-display {
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.0;
}
.h-section {
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.h-card {
  font-size: clamp(20px, 1.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.lede {
  font-size: clamp(16px, 1.25vw, 19px);
  color: var(--fg-1);
  line-height: 1.6;
  max-width: 62ch;
  text-wrap: pretty;
}
.body-sm { font-size: 14px; color: var(--fg-1); }
.body-xs { font-size: 12px; color: var(--fg-2); }
.mono { font-family: var(--f-mono); font-feature-settings: "tnum"; font-weight: 500; font-variant-numeric: tabular-nums; }
.grad-text {
  background: var(--grad-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  transition: all .2s var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--grad-aurora);
  color: #04101E;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 44px rgba(94,231,255,.35);
}
.btn-ghost {
  background: rgba(255,255,255,.04);
  color: var(--fg-0);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.25);
}
.btn-arrow svg { transition: transform .2s var(--ease); }
.btn-arrow:hover svg { transform: translateX(3px); }

/* ─── Cards / Panels ─────────────────────────────────────── */
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
  position: relative;
  overflow: hidden;
}
.panel-bare {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: relative;
  transition: all .25s var(--ease);
}
.card:hover {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  transform: translateY(-2px);
}
.card-num {
  font-family: var(--f-mono);
  font-size: 11px; color: var(--fg-3);
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-4);
}

/* ─── Animation helpers ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal[data-delay="1"] { transition-delay: 60ms; }
.reveal[data-delay="2"] { transition-delay: 120ms; }
.reveal[data-delay="3"] { transition-delay: 180ms; }
.reveal[data-delay="4"] { transition-delay: 240ms; }
.reveal[data-delay="5"] { transition-delay: 300ms; }
.reveal[data-delay="6"] { transition-delay: 360ms; }

/* ─── Footer ────────────────────────────────────────────── */
.footer {
  margin-top: var(--sp-10);
  padding: var(--sp-9) 0 var(--sp-6);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.4));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--sp-7);
  margin-bottom: var(--sp-8);
}
.footer-title {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: var(--sp-4);
}
.footer-list { list-style: none; display: grid; gap: 10px; }
.footer-list a { color: var(--fg-1); font-size: 14px; }
.footer-list a:hover { color: var(--fg-0); }
.footer-list-static { color: var(--fg-3); }
.footer-list-static li { color: var(--fg-3); font-size: 14px; line-height: 1.6; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.06em;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
  .footer-bottom { flex-direction: column; gap: 12px; }
}

/* ─── Page header (shared) ───────────────────────────────── */
.page-hero {
  padding: 140px 0 80px;
  position: relative;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-glow);
  z-index: -1;
}
.page-hero .container > .eyebrow { margin-bottom: 24px; }
.page-hero h1 { margin-bottom: 24px; }

/* ─── Section common ────────────────────────────────────── */
.section { padding: var(--sp-10) 0; }
.section-tight { padding: var(--sp-9) 0; }
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: end;
  margin-bottom: var(--sp-8);
}
.section-head .lede { justify-self: end; max-width: 48ch; }
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .section-head .lede { justify-self: start; }
}
/* Mobile spacing override (added 2026-05-26) */
@media (max-width: 720px) {
  .section { padding: 56px 0; }
  .section-tight { padding: 48px 0; }
  .section-head { margin-bottom: 32px; }
  .page-hero { padding: 110px 0 48px; }
}

/* ─── Tag / chip ────────────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--fg-1);
  background: rgba(255,255,255,.03);
}
.tag .dot {
  width: 6px; height: 6px;
  background: var(--c-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--c-cyan);
}

/* ─── Number / stat ──────────────────────────────────────── */
.stat-num {
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(40px, 5vw, 72px);
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--grad-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
}

/* ─── Utility ───────────────────────────────────────────── */
.divider { height: 1px; background: var(--line); margin: var(--sp-8) 0; }

.muted { color: var(--fg-2); }
.dim { color: var(--fg-3); }

/* ─── CTA Banner ────────────────────────────────────────── */
.cta-banner {
  margin: 0 auto;
  padding: 96px 56px;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(94,231,255,.18), transparent 60%),
    radial-gradient(700px 400px at 10% 110%, rgba(139,124,255,.14), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { margin-bottom: 28px; margin-top: 16px; }
.cta-banner .lede { margin: 0 auto 56px; }
.cta-banner .cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
@media (max-width: 720px) {
  .cta-banner { padding: 64px 28px; }
}

/* ─── Form ────────────────────────────────────────────────── */
.field {
  display: grid; gap: 8px;
}
.field label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.field input, .field select, .field textarea {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font: inherit;
  color: var(--fg-0);
  transition: border-color .2s var(--ease), background .2s var(--ease);
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--c-cyan);
  background: rgba(94,231,255,.04);
}
.field textarea { resize: vertical; min-height: 120px; }
.field.error input,
.field.error textarea,
.field.error select { border-color: #ff5d6c; }
.field-err {
  display: none;
  color: #ff8a93;
  font-size: 12px;
  font-family: var(--f-mono);
}
.field.error .field-err { display: block; }