@charset "utf-8";
/* ============================================================
   Dear TOPIK — Landing Page Styles
   * V4 Minimal Academic 톤을 베이스로 트렌디 요소 추가
   *   - 큰 디스플레이 타이포 (clamp)
   *   - 단청 그라데이션 mesh 배경 (절제된 사용)
   *   - 부드러운 reveal 모션
   *   - 비대칭 hero 레이아웃
   * 본 파일은 페이지 전용입니다. 메인 앱과 자산을 공유하지 않습니다.
   * 목차
   *   1. 공통 (container · 버튼 · 헤더)
   *   2. Hero
   *   3. Trust bar
   *   4. Features
   *   5. How it works
   *   6. Preview
   *   7. Personas
   *   8. FAQ
   *   9. Final CTA
   *  10. Footer
   *  11. Reveal motion
   *  12. Mockup variants (preview)
   *  13. Responsive (≤880, ≤640)
   ============================================================ */


/* ============================================================
   1. 공통 — container · 버튼 · 헤더
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}
.container.narrow { width: 100%; }

.section { padding-top: var(--sec-y); padding-bottom: var(--sec-y); }
.section.tight { padding-top: var(--sec-y-sm); padding-bottom: var(--sec-y-sm); }



/* 섹션 헤더 */
.sec-head { margin-bottom: var(--sp-7); }
.sec-head h2 {
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: var(--lh-snug);
  margin-top: var(--sp-3);
  letter-spacing: -0.028em;
}
.sec-head .sec-sub {
  margin-top: var(--sp-3);
  font-size: var(--fs-md);
  color: var(--c-text-2);
  max-width: 560px;
  line-height: 1.65;
}

/* 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0px 16px;
  height: 42px;
  border-radius: var(--r-pill);
  font-size: var(--fs-base);
  font-weight: var(--fw-m);
  line-height: 1;
  border: 1px solid transparent;
  transition: transform var(--t-quick), background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--c-navy);
  color: #fff;
  /* box-shadow: 0 8px 20px -8px rgba(0,52,120,0.6); */
}
.btn-primary:hover {
  background: var(--c-navy-deep);
  /* box-shadow: 0 14px 28px -10px rgba(0,52,120,0.7); */
}
.btn-ghost {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-border-2);
}
.btn-ghost:hover {
  border-color: var(--c-ink);
  background: var(--c-bg-alt);
}
.btn-light {
  background: #fff;
  color: var(--c-navy);
  border-color: rgba(255,255,255,0.0);
}
.btn-light:hover { background: var(--c-navy-50); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.8);
}

/* size variant — 단일 CTA에 무게감 부여 */
.btn-lg {
  padding: 0px 24px;
  font-size: var(--fs-md);
  letter-spacing: -0.012em;
  height: 52px;
}

.btn .arrow {
  display: inline-block;
  transition: transform var(--t);
}
.btn:hover .arrow { transform: translateX(3px); }

/* ---- Header ---- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: var(--z-header);
  background: rgba(255,255,255,0.0);
  transition: background var(--t), border-color var(--t), backdrop-filter var(--t);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,0.85);
  border-bottom-color: var(--c-border);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-7);
}

/* 브랜드 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo {
  width: 120px;
  height: auto;
  object-fit: contain;
}



/* nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex: 1;
}
.site-nav a {
  font-size: var(--fs-base);
  font-weight: var(--fw-sb);
  color: var(--c-text-2);
  transition: color var(--t);
}
.site-nav a:hover { color: var(--c-ink); }

.header-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
}

/* 언어 메뉴 */
.lang-wrap { position: relative; }
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0px 16px;
  min-width: 90px;
  height: 42px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,0.6);
  font-size: var(--fs-sm);
  font-weight: var(--fw-m);
  color: var(--c-ink);
  letter-spacing: 0.04em;
  transition: border-color var(--t), background var(--t);
}
.lang-toggle:hover { border-color: var(--c-border-2); background: #fff; }

.lang-toggle .chev {
  width: 8px; height: 8px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--t);
}
.lang-toggle[aria-expanded="true"] .chev { transform: rotate(225deg) translateY(-2px); }

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 6px;
  box-shadow: var(--sh-lg);
  display: none;
  z-index: var(--z-menu);
}
.lang-menu.is-open { display: block; animation: dropIn 180ms ease both; }
@keyframes dropIn { from { opacity:0; transform: translateY(-4px); } to { opacity:1; transform: none; } }

.lang-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-sb);
  color: var(--c-text);
  text-align: left;
}
.lang-item:hover { background: var(--c-navy-50); color: var(--c-navy); }
.lang-item.is-active {
  background: var(--c-navy);
  color: #fff;
}
.lang-item .lang-code {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: var(--fw-b);
  letter-spacing: 0.08em;
  background: var(--c-navy-100);
  color: var(--c-navy);
  padding: 3px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.lang-item.is-active .lang-code {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

/* nav toggle (mobile) */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 1.8px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.is-menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.is-menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
.is-menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================================
   2. Hero
   ============================================================ */

.hero {
  position: relative;
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: var(--sec-y);
  overflow: hidden;
  background: var(--c-bg);
    isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/visual-bg.svg");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;
  z-index: 0;
  pointer-events: none;
}


.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-8);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 12px 14px;
  height: 38px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: var(--fw-m);
  color: var(--c-text);
}

.hero-title {
  margin-top: var(--sp-6);
  font-size: var(--fs-display);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: var(--fw-eb);
  color: var(--c-navy);
}
.hero-title .line-2 {
  display: block;
  margin-top: 12px;
  background: var(--grad-mark);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.hero-sub {
  margin-top: var(--sp-5);
  font-size: var(--fs-md);
  color: var(--c-text);
  line-height: 1.7;
  max-width: 520px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-7);
  flex-wrap: wrap;
}
/* Hero mockup */
.hero-art { position: relative; min-height: 480px; }

.hero-mock {
  position: relative;
  margin-top: 60px;
  width: 100%;
}
.hero-ai-bubble {
  position: absolute;
  z-index: 3;
  /* 위치 조정 */
  top: 18%;
  right: 1%;
  width: 150px;
  height: auto;
  display: block;
  filter: drop-shadow(0 12px 24px rgba(0, 52, 120, 0.18));
  animation: aiBubbleFloat 1.5s ease-in-out infinite;
  pointer-events: none;
}
.hero-img{
    width: 110%;
}
.hero-img img{
  width: 100%;
  height: auto;
  display: block;
}

@keyframes aiBubbleFloat {
  0% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }

  100% {
    transform: translateY(0);
  }
}



/* ============================================================
   3. Trust bar
   ============================================================ */
/* ============================================================
   3. Trust bar
============================================================ */

/* ============================================================
   3. Trust bar
============================================================ */

.trust {
  background: #fff;
  padding: var(--sp-7) 0;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  align-items: center;
}

.trust-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  text-align: left;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.trust-item + .trust-item {
  padding-left: var(--sp-7);
  border-left: 1px solid #eeeeee;
}

.trust-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.trust-icon {
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.trust-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.trust-copy {
  min-width: 0;
}

.trust-value {
  font-family: var(--ff-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: var(--fw-eb);
  color: var(--c-ink);
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.trust-label {
  margin-top: 8px;
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  font-weight: var(--fw-sb);
}
.trust-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.trust-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.trust-value {
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   4. Features
   ============================================================ */

#features { background: var(--c-bg-alt); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.feature-card {
  position: relative;
  padding: var(--sp-6);
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
  overflow: hidden;
}

.feature-card:hover {
  box-shadow: var(--sh-card);
}
.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 22px;
}
.feature-tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: var(--fw-eb);
  letter-spacing: 0.06em;
  color: var(--c-navy);
  background: var(--c-navy-100);
  padding: 4px 8px;
  border-radius: 4px;
}
.feature-title {
  margin-top: var(--sp-4);
  font-size: var(--fs-xl);
  letter-spacing: -0.025em;
  line-height: var(--lh-snug);
}
.feature-body {
  margin-top: var(--sp-3);
  font-size: var(--fs-base);
  color: var(--c-text-2);
  line-height: 1.7;
}
.feature-chips {
  margin-top: var(--sp-5);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: var(--r-pill);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  font-size: 11.5px;
  font-weight: var(--fw-sb);
  color: var(--c-text-2);
  letter-spacing: -0.005em;
}


/* ============================================================
   5. How it works
   ============================================================ */

.how {
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-alt) 100%);
}
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  counter-reset: step;
}
.steps::before {
  /* 연결선 */
  content: "";
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--c-border-2) 0 6px,
    transparent 6px 12px
  );
  z-index: 0;
}
.step-card {
  position: relative;
  z-index: 1;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: var(--sp-6);
  transition: transform var(--t), box-shadow var(--t);
}
.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--c-ink);
  color: #fff;
  border-radius: 10px;
  font-family: var(--ff-mono);
  font-weight: var(--fw-eb);
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
}
.step-card:nth-child(2) .step-num { background: var(--c-navy); }
.step-card:nth-child(3) .step-num { background: var(--c-red); }
.step-title {
  margin-top: var(--sp-4);
  font-size: var(--fs-xl);
  letter-spacing: -0.025em;
}
.step-body {
  margin-top: var(--sp-3);
  font-size: var(--fs-base);
  color: var(--c-text-2);
  line-height: 1.7;
}


/* ============================================================
   6. Preview
   ============================================================ */

#preview { background: var(--c-bg); }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.preview-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t);
}
.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-md);
}
.preview-frame {
  aspect-ratio: 4 / 3;
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
  padding: 18px;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  position: relative;
  overflow: hidden;
}
.preview-frame::before {
  /* 상단 가짜 윈도우 도트 */
  content: "";
  position: absolute;
  top: 10px; left: 12px;
  width: 36px; height: 6px;
  background:
    radial-gradient(circle at 4px 3px, #FF5F57 3px, transparent 3.5px),
    radial-gradient(circle at 16px 3px, #FEBC2E 3px, transparent 3.5px),
    radial-gradient(circle at 28px 3px, #28C840 3px, transparent 3.5px);
}
.preview-cap {
  padding: 18px 22px 22px;
}
.preview-name {
  font-size: var(--fs-lg);
  font-weight: var(--fw-eb);
  color: var(--c-ink);
  letter-spacing: -0.02em;
}
.preview-desc {
  margin-top: 6px;
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.65;
}


/* ============================================================
   7. Personas
   ============================================================ */

.personas {
  background: #00224e;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.personas .sec-head h2{
  color: white;
}
.personas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.persona-card {
  padding: var(--sp-7);
  background: #EBF1FA;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}

.persona-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--fw-b);
  letter-spacing: 0.08em;
  color: var(--c-navy);
  background: var(--c-navy-100);
  padding: 5px 10px;
  border-radius: var(--r-pill);
  text-transform: uppercase;
}
.persona-card:nth-child(2) .persona-tag {
  color: var(--c-red);
  background: var(--c-red-100);
}
.persona-title {
  margin-top: var(--sp-4);
  font-size: var(--fs-xl);
  letter-spacing: -0.025em;
  line-height: var(--lh-snug);
}
.persona-body {
  margin-top: var(--sp-3);
  font-size: var(--fs-base);
  color: var(--c-text-2);
  line-height: 1.75;
}


/* ============================================================
   8. FAQ
   ============================================================ */

#faq { background: var(--c-bg); }

.faq-list {
  max-width: 100%;
  margin: 0 auto;
}
.faq-item {
  border-top: 1px solid var(--c-border);
}
.faq-item:last-child { border-bottom: 1px solid var(--c-border); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 22px 0;
  text-align: left;
  font-size: var(--fs-lg);
  font-weight: var(--fw-b);
  color: var(--c-ink);
  letter-spacing: -0.015em;
  transition: color var(--t);
}
.faq-q:hover { color: var(--c-navy); }
.faq-q-text { flex: 1; }
.faq-q-icon {
  width: 22px; height: 22px;
  position: relative;
  flex-shrink: 0;
}
.faq-q-icon::before,
.faq-q-icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 1.8px;
  background: var(--c-ink);
  transform: translate(-50%, -50%);
  border-radius: 2px;
  transition: transform var(--t);
}
.faq-q-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item.is-open .faq-q-icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow);
}
.faq-item.is-open .faq-a { max-height: 320px; }
.faq-a-inner {
  padding: 0 0 22px 0;
  font-size: var(--fs-md);
  color: var(--c-text-2);
  line-height: 1.8;
}


/* ============================================================
   9. Final CTA
   ============================================================ */

.final {
  background-color: #003478;
  background-image: url("../images/final-bg.svg");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.final::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 10% 0%, rgba(255,255,255,0.10), transparent 60%),
    radial-gradient(600px 300px at 90% 100%, rgba(198,12,48,0.20), transparent 60%);
  pointer-events: none;
}
.final-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.final .eyebrow::before { background: rgba(255,255,255,0.65); }
.final h2 {
  margin-top: var(--sp-3);
  color: #fff;
  font-size: clamp(28px, 4.6vw, 56px);
  letter-spacing: -0.03em;
  line-height: var(--lh-snug);
}
.final-sub {
  margin: var(--sp-4) auto 0;
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.78);
  max-width: 520px;
  line-height: 1.7;
}
.final-cta {
  margin-top: var(--sp-7);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}


/* ============================================================
   10. Footer
   ============================================================ */

.site-footer {
  background: #0B1220;
  color: rgba(255,255,255,0.7);
  padding: var(--sp-9) 0 var(--sp-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--sp-7);
}
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text small { color: rgba(255,255,255,0.45); }
.footer-desc {
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  max-width: 320px;
}
.footer-col-title {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  margin-bottom: var(--sp-4);
}
.footer-col-list { display: flex; flex-direction: column; gap: 10px; }
.footer-col-list a {
  font-size: var(--fs-base);
  color: rgba(255,255,255,0.78);
  transition: color var(--t);
}
.footer-col-list a:hover { color: #fff; }

.footer-bottom {
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.02em;
}


/* ============================================================
   11. Reveal motion (fade-up)
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow), transform var(--t-slow);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}


/* ============================================================
   12. Mockup variants (preview)
   ============================================================ */

.mk {
  flex: 1;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 14px;
  margin-top: 18px;
  font-size: 11px;
  color: var(--c-text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--ff-sans);
  position: relative;
  z-index: 1;
}

/* dashboard */
.mk-dash .mk-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mk-dash .mk-card {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mk-dash .mk-lab {
  font-size: 9px;
  font-weight: var(--fw-b);
  letter-spacing: 0.1em;
  color: var(--c-text-3);
  text-transform: uppercase;
}
.mk-dash .mk-big {
  font-family: var(--ff-mono);
  font-size: 22px;
  font-weight: var(--fw-eb);
  color: var(--c-ink);
  letter-spacing: -0.02em;
}
.mk-dash .mk-sm { font-size: 10px; color: var(--c-text-3); margin-left: 2px; }
.mk-dash .mk-dday .mk-big { color: var(--c-red); }
.mk-dash .mk-streak .mk-big { color: var(--c-navy); }

.mk-dash .mk-weak ul { display: flex; flex-direction: column; gap: 5px; margin-top: 6px; }
.mk-dash .mk-weak li {
  display: flex; justify-content: space-between;
  font-size: 10.5px;
  padding: 4px 6px;
  background: #fff;
  border-radius: 4px;
}
.mk-dash .mk-weak li b { color: var(--c-red); font-weight: var(--fw-b); }
.mk-dash .mk-cta {
  background: var(--c-navy);
  color: #fff;
  border-radius: 6px;
  padding: 8px 10px;
  text-align: center;
  font-weight: var(--fw-b);
  font-size: 11px;
}

/* quiz */
.mk-quiz .mk-tab {
  font-size: 10px;
  color: var(--c-text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: var(--fw-b);
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 6px;
}
.mk-quiz .mk-qline { font-size: 10.5px; color: var(--c-text-2); }
.mk-quiz .mk-quote {
  background: var(--c-paper);
  border-left: 3px solid var(--c-navy);
  padding: 8px 10px;
  font-size: 10.5px;
  color: var(--c-text);
  border-radius: 0 4px 4px 0;
  line-height: 1.5;
}
.mk-quiz .mk-opts {
  display: flex; flex-direction: column; gap: 4px;
}
.mk-quiz .mk-opts li {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  font-size: 10.5px;
}
.mk-quiz .mk-opts li.on {
  background: var(--c-navy-50);
  border-color: var(--c-navy);
  color: var(--c-navy);
  font-weight: var(--fw-b);
}
.mk-quiz .mk-num {
  width: 16px; height: 16px;
  border-radius: 99px;
  background: var(--c-bg-alt);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 9px;
  font-weight: var(--fw-b);
}
.mk-quiz .mk-opts li.on .mk-num {
  background: var(--c-navy); color: #fff;
}
.mk-quiz .mk-foot {
  display: flex; justify-content: space-between;
  padding-top: 6px;
  border-top: 1px solid var(--c-border);
  font-size: 10px;
  color: var(--c-text-2);
  font-family: var(--ff-mono);
}
.mk-quiz .mk-timer { color: var(--c-red); font-weight: var(--fw-b); }

/* report */
.mk-report .mk-rhead {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px;
}
.mk-report .mk-rhead b { font-weight: var(--fw-eb); color: var(--c-ink); }
.mk-report .mk-up {
  background: #DCFCE7;
  color: #166534;
  padding: 3px 7px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: var(--fw-b);
  letter-spacing: -0.005em;
}
.mk-report .mk-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 70px;
  padding: 6px 4px;
  border-bottom: 1px solid var(--c-border);
}
.mk-report .mk-bar {
  flex: 1;
  height: var(--h);
  background: var(--c-navy-100);
  border-radius: 3px 3px 0 0;
  animation: barUp .8s ease both;
}
.mk-report .mk-bar.on { background: var(--c-navy); }
@keyframes barUp {
  from { height: 0; }
  to   { height: var(--h); }
}
.mk-report .mk-rrow {
  display: flex; justify-content: space-between;
  font-size: 10.5px;
  padding: 2px 0;
  color: var(--c-text-2);
  border-bottom: 1px dashed var(--c-border);
}
.mk-report .mk-rrow:last-of-type { border-bottom: 0; }
.mk-report .mk-rrow span:last-child {
  font-family: var(--ff-mono);
  font-weight: var(--fw-b);
  color: var(--c-ink);
}
.mk-report .mk-pred {
  margin-top: 4px;
  text-align: center;
  font-size: 11px;
  color: var(--c-text-2);
}
.mk-report .mk-pred b {
  font-family: var(--ff-mono);
  font-size: 16px;
  color: var(--c-navy);
  margin-left: 4px;
}


/* ============================================================
   13. Responsive
   ============================================================ */

/* ≤ 1024 — tablet 안쪽 영역 살짝 좁힘 */
@media (max-width: 1024px) {
  .features-grid { gap: var(--sp-4); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; max-width: none; }

   .hero::before {
    background-position: 79% 54%;
  }

}
@media (min-width: 881px){
  .container {
    padding-left: var(--sp-6);
    padding-right: var(--sp-6);
  }
}
/* ≤ 880 — 모바일 메뉴 활성화 */
@media (max-width: 880px) {
  .container {
    padding-left: var(--sp-5);
    padding-right: var(--sp-5);
  }

  .site-header {
    z-index: 9999;
  }

  .site-header .container {
    gap: 12px;
  }

  .site-header.is-menu-open {
    background: #fff;
    border-bottom-color: var(--c-border);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .header-right {
    position: relative;
    z-index: 10000;
  }

  .header-right .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 10001;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;

    width: 100%;
    height: calc(100dvh - var(--header-h));
    min-height: calc(100vh - var(--header-h));

    z-index: 9998;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;

    padding: var(--sp-6) var(--sp-5) var(--sp-8);
    background: #fff;
    border-top: 1px solid var(--c-border);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.16);

    transform: translateX(100%);
    transition: transform var(--t-slow);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .site-header.is-menu-open .site-nav,
  .is-menu-open .site-nav {
    transform: translateX(0);
  }

  .site-nav a {
    display: block;
    width: 100%;
    padding: 18px 0;
    font-size: var(--fs-md);
    font-weight: var(--fw-b);
    color: var(--c-ink);
    border-bottom: 1px solid var(--c-border);
  }

  body.is-locked {
    overflow: hidden;
    touch-action: none;
  }

  .hero::before {
    background-position: 79% 54%;
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .hero-art {
    min-height: auto;
    margin-top: var(--sp-4);
  }

  .hero-mock {
    margin-top: 0;
  }

  .hero-img {
    width: 100%;
  }

  .hero-ai-bubble {
    top: 18%;
    right: 8%;
  }

  .trust-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .trust-item + .trust-item {
    padding-left: var(--sp-6);
  }

  .trust-icon {
    width: 50px;
    height: 50px;
  }

  .features-grid,
  .steps,
  .preview-grid,
  .personas-grid {
    grid-template-columns: 1fr;
  }

  .steps::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ≤ 640 — 모바일 */
/* ≤ 640 — 모바일 */
@media (max-width: 640px) {
  .container {
    padding-left: var(--sp-4);
    padding-right: var(--sp-4);
  }

  .hero::before {
    background-position: 85% 62%;
  }

  .hero-ai-bubble {
    top: 15%;
    right: 8%;
  }

  .hero-cta .btn {
    flex: 1 1 100%;
  }

  .hero-mock {
    transform: rotate(-1.4deg);
    padding: 18px;
    margin-top: 12px;
  }

  .trust-row {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-4);
  }

  .trust-item + .trust-item {
    border-left: 0;
    padding-left: 0;
  }

  .trust-item:nth-child(odd) {
    border-right: 1px solid var(--c-border);
    padding-right: var(--sp-4);
  }

  .trust-item:nth-child(3),
  .trust-item:nth-child(4) {
    padding-top: var(--sp-4);
    border-top: 1px solid var(--c-border);
  }

  .feature-card,
  .step-card,
  .persona-card {
    padding: var(--sp-5);
  }

  .preview-frame {
    aspect-ratio: auto;
    min-height: 220px;
    padding: 24px 14px 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .persona-title,
  .preview-name,
  .feature-title {
    font-size: var(--fs-lg);
  }
}