/* =============================================================
   Dee Editor — Components
   Header · Buttons · Cards · Sections · Footer
   ============================================================= */

/* ── 헤더 ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 900;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-gray-200);
  transition:
    box-shadow var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.97);
}

.site-header .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--sp-8);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

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

.header-logo-text {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--c-navy);
  letter-spacing: -0.5px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-left: auto;
}

.header-nav a {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-gray-600);
  border-radius: var(--radius-sm);
  transition:
    color var(--duration),
    background var(--duration);
}

.header-nav a:hover {
  color: var(--c-primary);
  background: var(--c-primary-50);
}

.header-nav a.active {
  color: var(--c-primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: var(--sp-4);
}

/* ── 버튼 ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  height: 44px;
  padding: 0 var(--sp-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--c-primary);
  color: var(--c-white);
  border: 1.5px solid var(--c-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}
.btn--primary:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border: 1.5px solid var(--c-primary);
}
.btn--outline:hover {
  background: var(--c-primary-50);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--c-gray-600);
  border: 1.5px solid var(--c-gray-300);
}
.btn--ghost:hover {
  background: var(--c-gray-50);
  border-color: var(--c-gray-400);
  color: var(--c-gray-800);
}

.btn--white {
  background: var(--c-white);
  color: var(--c-primary);
  border: 1.5px solid var(--c-white);
  box-shadow: var(--shadow-md);
}
.btn--white:hover {
  background: var(--c-primary-50);
  transform: translateY(-1px);
}

.btn--lg {
  height: 52px;
  padding: 0 var(--sp-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn--sm {
  height: 34px;
  padding: 0 var(--sp-4);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.release--btn--sm {
  height: 34px;
  padding: 0 var(--sp-4);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── 섹션 공통 ────────────────────────────────────────────── */
.section {
  padding: var(--sp-24) 0;
}

.section--alt {
  background: var(--c-gray-50);
}

.section--dark {
  background: var(--c-navy);
  color: var(--c-white);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--sp-3);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  color: var(--c-gray-900);
  letter-spacing: -0.5px;
}

.section--dark .section-title {
  color: var(--c-white);
}

.section-desc {
  font-size: var(--text-md);
  color: var(--c-gray-500);
  line-height: var(--leading-loose);
  max-width: 560px;
}

.section--dark .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.section-header .section-desc {
  margin-inline: auto;
  margin-top: var(--sp-4);
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--header-h) + var(--sp-16));
  padding-bottom: var(--sp-20);
  background: linear-gradient(160deg, #f0f7ff 0%, #e8f0fe 40%, #ede9fe 100%);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(37, 99, 235, 0.12) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.1) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 5px 14px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: var(--sp-5);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--c-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.4);
  }
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--c-gray-900);
  margin-bottom: var(--sp-5);
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--c-primary) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: var(--text-md);
  color: var(--c-gray-500);
  line-height: var(--leading-loose);
  margin-bottom: var(--sp-8);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-6);
  font-size: var(--text-xs);
  color: var(--c-gray-400);
}

.hero-trust-dot {
  width: 3px;
  height: 3px;
  background: var(--c-gray-300);
  border-radius: 50%;
}

.hero-visual {
  position: relative;
  /* 시너지 칩들이 카드 외부로 나오므로 overflow 허용 */
  overflow: visible;
}

/* 기존 스크린샷 스타일 (미사용 시 안전하게 유지) */
.hero-screenshot {
  border-radius: var(--radius-lg);
  box-shadow:
    var(--shadow-xl),
    0 0 0 1px rgba(0, 0, 0, 0.06);
  width: 100%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 구형 hero 플로팅 배지 (레거시, 미사용) */
.hero-badge-float {
  position: absolute;
  background: var(--c-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--c-gray-700);
  white-space: nowrap;
}

.hero-badge-float--tl {
  top: -16px;
  left: -20px;
  animation: float 5s ease-in-out infinite;
}

.hero-badge-float--br {
  bottom: -16px;
  right: -20px;
  animation: float 7s ease-in-out infinite reverse;
}

.hero-badge-float .icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.hero-badge-float--tl .icon {
  background: #dbeafe;
}
.hero-badge-float--br .icon {
  background: #d1fae5;
}

/* ── 통계 바 ──────────────────────────────────────────────── */
.stats-bar {
  background: var(--c-navy);
  padding: var(--sp-8) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  text-align: center;
}

.stat-item {
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.stat-value span {
  color: #60a5fa;
}

.stat-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  margin-top: var(--sp-1);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
  align-self: stretch;
}

/* ── 기능 카드 그리드 ─────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  transition:
    box-shadow var(--duration) var(--ease),
    transform var(--duration) var(--ease),
    border-color var(--duration);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--c-primary-100);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  font-size: 24px;
}

.feature-icon--blue {
  background: var(--c-primary-100);
}
.feature-icon--violet {
  background: #ede9fe;
}
.feature-icon--green {
  background: #d1fae5;
}
.feature-icon--amber {
  background: #fef3c7;
}
.feature-icon--rose {
  background: #ffe4e6;
}
.feature-icon--cyan {
  background: #cffafe;
}
.feature-icon--indigo {
  background: #e0e7ff;
}
.feature-icon--teal {
  background: #ccfbf1;
}
.feature-icon--orange {
  background: #ffedd5;
}

.feature-card-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: var(--sp-2);
}

.feature-card-desc {
  font-size: var(--text-sm);
  color: var(--c-gray-500);
  line-height: var(--leading-loose);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.feature-tag {
  padding: 2px 8px;
  background: var(--c-gray-100);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--c-gray-500);
}

/* ── 하이라이트 스플릿 섹션 ───────────────────────────────── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.split-section--reverse {
  direction: rtl;
}
.split-section--reverse > * {
  direction: ltr;
}

.split-content {
}

.split-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.split-list-item {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.split-list-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
  margin-top: 2px;
}

.split-list-text {
}
.split-list-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--c-gray-900);
  margin-bottom: 2px;
}

.split-list-desc {
  font-size: var(--text-sm);
  color: var(--c-gray-500);
  line-height: var(--leading-normal);
}

.split-visual {
  position: relative;
}

.split-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
}

/* ── 데모 섹션 ────────────────────────────────────────────── */
.demo-section {
  background: linear-gradient(180deg, var(--c-gray-50) 0%, var(--c-white) 100%);
}

.demo-tabs {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
  background: var(--c-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--sp-1);
  width: fit-content;
}

.demo-tab {
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-gray-500);
  transition: all var(--duration);
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.demo-tab:hover {
  color: var(--c-gray-800);
}
.demo-tab.active {
  background: var(--c-white);
  color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}

.demo-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow:
    var(--shadow-xl),
    0 0 0 1px rgba(0, 0, 0, 0.06);
  background: var(--c-white);
}

.demo-browser-bar {
  background: var(--c-gray-100);
  padding: var(--sp-3) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  border-bottom: 1px solid var(--c-gray-200);
}

.demo-browser-dots {
  display: flex;
  gap: 6px;
}

.demo-browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.demo-browser-dots span:nth-child(1) {
  background: #ff5f57;
}
.demo-browser-dots span:nth-child(2) {
  background: #febc2e;
}
.demo-browser-dots span:nth-child(3) {
  background: #28c840;
}

.demo-browser-url {
  flex: 1;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: var(--text-xs);
  color: var(--c-gray-400);
  font-family: var(--font-mono);
}

.demo-editor-wrap {
  padding: var(--sp-5);
}

/* ── 접근성 배지 섹션 ─────────────────────────────────────── */
.a11y-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-8);
}

.a11y-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  text-align: center;
}

.a11y-card .icon {
  font-size: 32px;
  margin-bottom: var(--sp-3);
}

.a11y-card-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: var(--sp-1);
}

.a11y-card-desc {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-normal);
}

/* ── 요금제 카드 ──────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  align-items: start;
}

.pricing-card {
  background: var(--c-white);
  border: 2px solid var(--c-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  position: relative;
  transition:
    box-shadow var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-blue);
}

.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--c-primary), #7c3aed);
  color: var(--c-white);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-type {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
}

.pricing-name {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--c-gray-900);
  margin-bottom: var(--sp-4);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
  margin-bottom: var(--sp-5);
}

.pricing-amount {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--c-gray-900);
  letter-spacing: -1px;
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--c-gray-400);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--c-gray-500);
  margin-bottom: var(--sp-6);
  line-height: var(--leading-normal);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--c-gray-100);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--c-gray-700);
}

.pricing-feature::before {
  content: "✓";
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-success-bg);
  color: var(--c-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-feature--dim {
  color: var(--c-gray-400);
}
.pricing-feature--dim::before {
  background: var(--c-gray-100);
  color: var(--c-gray-400);
  content: "–";
}

/* ── 단축키 테이블 ────────────────────────────────────────── */
.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3) var(--sp-8);
}

.shortcut-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--c-gray-100);
  font-size: var(--text-sm);
  color: var(--c-gray-700);
}

.shortcut-keys {
  display: flex;
  gap: var(--sp-1);
}

.kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 7px;
  background: var(--c-gray-100);
  border: 1px solid var(--c-gray-300);
  border-bottom: 2px solid var(--c-gray-300);
  border-radius: 4px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--c-gray-700);
}

/* ── CTA 배너 ─────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--c-navy) 0%,
    var(--c-primary-dark) 100%
  );
  padding: var(--sp-24) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: -0.5px;
  margin-bottom: var(--sp-4);
}

.cta-desc {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--sp-10);
  max-width: 500px;
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

/* ── 푸터 ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-gray-900);
  color: rgba(255, 255, 255, 0.55);
  padding: var(--sp-16) 0 var(--sp-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}

.footer-brand {
}

.footer-logo {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.footer-logo img {
  flex-shrink: 0;
  height: 28px;
  width: auto;
  display: block;
  filter: brightness(10);
  opacity: 0.9;
}

.footer-logo-text {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--c-white);
}

.footer-logo .footer-tagline {
  font-size: var(--text-sm);
  line-height: 1;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
  padding-bottom: 1px;
  white-space: nowrap;
}

.footer-company {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  line-height: var(--leading-loose);
  white-space: nowrap;
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: var(--sp-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--duration);
}

.footer-links a:hover {
  color: rgba(255, 255, 255, 0.85);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.3);
}

.footer-legal {
  display: flex;
  gap: var(--sp-5);
  flex-wrap: nowrap;
  white-space: nowrap;
}

.footer-legal a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  transition: color var(--duration);
}

.footer-legal a:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* ── 반응형 ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--text-4xl);
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .a11y-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-header .header-nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-title {
    font-size: var(--text-3xl);
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-trust {
    justify-content: center;
  }
  .hero-visual {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .section-title {
    font-size: var(--text-2xl);
  }
  .split-section {
    grid-template-columns: 1fr;
  }
  .split-section--reverse {
    direction: ltr;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .a11y-grid {
    grid-template-columns: 1fr 1fr;
  }
  .shortcut-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-tagline,
  .footer-company {
    white-space: normal;
  }
  .cta-title {
    font-size: var(--text-2xl);
  }

  .section {
    padding: var(--sp-16) 0;
  }
}

/* ── DOM API 섹션 ─────────────────────────────────────────── */

/* 카테고리 카드 그리드 (4열) */
.api-cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-10);
}

.api-cat-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  border: 1.5px solid var(--c-gray-200);
  transition:
    transform var(--duration) var(--ease),
    box-shadow var(--duration);
}
.api-cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.api-cat-card--blue {
  border-top: 3px solid var(--c-primary);
}
.api-cat-card--violet {
  border-top: 3px solid #7c3aed;
}
.api-cat-card--green {
  border-top: 3px solid var(--c-success);
}
.api-cat-card--amber {
  border-top: 3px solid var(--c-warning);
}

.api-cat-icon {
  font-size: 28px;
  margin-bottom: var(--sp-3);
  line-height: 1;
}

.api-cat-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: 2px;
}

.api-cat-count {
  font-size: var(--text-xs);
  color: var(--c-gray-400);
  margin-bottom: var(--sp-4);
  font-weight: 600;
}

.api-cat-methods {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.api-cat-methods li {
  font-size: var(--text-xs);
  color: var(--c-gray-600);
  line-height: 1.4;
}

.api-cat-card--blue .api-cat-methods code {
  color: var(--c-primary);
}
.api-cat-card--violet .api-cat-methods code {
  color: #7c3aed;
}
.api-cat-card--green .api-cat-methods code {
  color: #059669;
}
.api-cat-card--amber .api-cat-methods code {
  color: #d97706;
}

/* 코드 쇼케이스 레이아웃 */
.api-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-6);
  align-items: start;
}

.api-code-panel {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow:
    var(--shadow-xl),
    0 0 0 1px rgba(0, 0, 0, 0.06);
}

.api-code-header {
  background: #1e293b;
  padding: var(--sp-3) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.api-code-filename {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.5);
  flex: 1;
}

.api-code-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  background: rgba(37, 99, 235, 0.35);
  color: #93c5fd;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.api-code-block {
  background: #0f172a;
  color: #e2e8f0;
  padding: var(--sp-6) var(--sp-6);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  overflow-x: auto;
  margin: 0;
  white-space: pre;
}

/* 코드 하이라이트 색상 */
.c-comment {
  color: #475569;
}
.c-kw {
  color: #c084fc;
} /* const, new, await */
.c-cls {
  color: #67e8f9;
} /* DeeEditor */
.c-fn {
  color: #86efac;
} /* 메서드명 */
.c-str {
  color: #fde68a;
} /* 문자열 */
.c-bool {
  color: #f472b6;
} /* true/false */

/* 우측 특징 패널 */
.api-features-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  padding: var(--sp-2) 0;
}

.api-feature-item {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.api-feature-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
  font-family: var(--font-mono);
  letter-spacing: -1px;
}

.api-feature-icon--blue {
  background: var(--c-primary-100);
  color: var(--c-primary);
}
.api-feature-icon--violet {
  background: #ede9fe;
  color: #7c3aed;
}
.api-feature-icon--green {
  background: #d1fae5;
  color: #059669;
}
.api-feature-icon--amber {
  background: #fef3c7;
  color: #d97706;
}

.api-feature-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: 4px;
}

.api-feature-desc {
  font-size: var(--text-sm);
  color: var(--c-gray-500);
  line-height: var(--leading-normal);
}

.api-feature-desc code {
  background: var(--c-gray-100);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-primary-dark);
}

/* 메서드 pill 목록 */
.api-pill-section {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-6) var(--sp-8);
}

.api-pill-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--c-gray-400);
  margin-bottom: var(--sp-4);
}

.api-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.api-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-family: var(--font-mono);
  font-weight: 600;
  cursor: default;
  transition: transform 0.12s;
}
.api-pill:hover {
  transform: scale(1.05);
}

.api-pill--blue {
  background: var(--c-primary-50);
  color: var(--c-primary-dark);
}
.api-pill--violet {
  background: #ede9fe;
  color: #5b21b6;
}
.api-pill--green {
  background: #d1fae5;
  color: #065f46;
}
.api-pill--teal {
  background: #ccfbf1;
  color: #0f766e;
}
.api-pill--amber {
  background: #fef3c7;
  color: #92400e;
}

/* 반응형 */
@media (max-width: 1024px) {
  .api-cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .api-cat-grid {
    grid-template-columns: 1fr 1fr;
  }
  .api-showcase {
    grid-template-columns: 1fr;
  }
  .api-pill-section {
    padding: var(--sp-5);
  }
}

/* ── 시너지 비주얼 (Hero 우측) ────────────────────────────── */
.synergy-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-2);
}

/* 상단: 두 제품 카드 + 커넥터 */
.synergy-products {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--sp-3);
}

.synergy-product-card {
  background: var(--c-white);
  border: 1.5px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--sp-5) var(--sp-4);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition:
    transform 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.synergy-product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.synergy-product-card--editor {
  border-color: rgba(37, 99, 235, 0.3);
  animation: cardFloat1 5s ease-in-out infinite;
}
.synergy-product-card--editor::before {
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.05) 0%,
    transparent 60%
  );
  opacity: 1;
}

.synergy-product-card--upload {
  border-color: rgba(16, 185, 129, 0.3);
  animation: cardFloat2 5.5s ease-in-out infinite;
}
.synergy-product-card--upload::before {
  background: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.05) 0%,
    transparent 60%
  );
  opacity: 1;
}

@keyframes cardFloat1 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
@keyframes cardFloat2 {
  0%,
  100% {
    transform: translateY(-4px);
  }
  50% {
    transform: translateY(4px);
  }
}

.synergy-product-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-3);
  font-size: 26px;
}

.synergy-product-card--editor .synergy-product-icon {
  background: var(--c-primary-100);
}
.synergy-product-card--upload .synergy-product-icon {
  background: #d1fae5;
}

.synergy-product-name {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--c-gray-900);
  margin-bottom: var(--sp-1);
  letter-spacing: -0.2px;
}

.synergy-product-tagline {
  font-size: var(--text-xs);
  color: var(--c-gray-400);
  line-height: 1.4;
}

.synergy-product-tags {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: var(--sp-3);
  align-items: center;
}

.synergy-product-tag {
  font-size: 10px;
  color: var(--c-gray-500);
  background: var(--c-gray-100);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  white-space: nowrap;
}

.synergy-product-card--editor .synergy-product-tag {
  background: var(--c-primary-50);
  color: var(--c-primary-dark);
}

.synergy-product-card--upload .synergy-product-tag {
  background: #d1fae5;
  color: #065f46;
}

/* 가운데 커넥터 */
.synergy-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

.synergy-plus {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary) 0%, #7c3aed 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  animation: plusPulse 2.5s ease-in-out infinite;
}

@keyframes plusPulse {
  0%,
  100% {
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.7);
    transform: scale(1.08);
  }
}

/* 연결 점선 라인 */
.synergy-line {
  width: 2px;
  height: 14px;
  background: repeating-linear-gradient(
    to bottom,
    #2563eb 0px,
    #2563eb 4px,
    transparent 4px,
    transparent 8px
  );
  opacity: 0.4;
}

/* 하단: 시너지 결과 카드 */
.synergy-result {
  background: linear-gradient(135deg, var(--c-navy) 0%, #1a3a6b 100%);
  border-radius: var(--radius-lg);
  padding: var(--sp-5) var(--sp-5);
  position: relative;
  overflow: hidden;
  animation: resultGlow 4s ease-in-out infinite;
}

@keyframes resultGlow {
  0%,
  100% {
    box-shadow: var(--shadow-md);
  }
  50% {
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
  }
}

.synergy-result::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 140px;
  height: 140px;
  background: radial-gradient(
    circle,
    rgba(96, 165, 250, 0.18) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.synergy-result-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.synergy-result-label::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: #60a5fa;
  border-radius: 1px;
}

.synergy-result-title {
  font-size: var(--text-md);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.3px;
  margin-bottom: var(--sp-4);
  line-height: 1.35;
}

.synergy-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2) var(--sp-4);
}

.synergy-benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.45;
}

.synergy-benefit-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #60a5fa;
  flex-shrink: 0;
  margin-top: 4px;
}

/* 우측 상단 플로팅 알림 칩 */
.synergy-chip {
  position: absolute;
  background: var(--c-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  padding: 6px 12px 6px 8px;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 11px;
  font-weight: 600;
  color: var(--c-gray-700);
  white-space: nowrap;
  z-index: 2;
}

.synergy-chip .chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.synergy-chip--1 {
  top: -10px;
  right: 12px;
  animation: chipFloat 4s ease-in-out infinite;
}
.synergy-chip--2 {
  bottom: 150px;
  right: -12px;
  animation: chipFloat 5s ease-in-out infinite reverse;
}

@keyframes chipFloat {
  0%,
  100% {
    transform: translateY(0) rotate(-1deg);
  }
  50% {
    transform: translateY(-6px) rotate(1deg);
  }
}

/* 흐르는 데이터 연결선 (두 카드 사이) */
.synergy-flow-arrow {
  text-align: center;
  color: rgba(37, 99, 235, 0.5);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  animation: arrowFade 2s ease-in-out infinite;
}
@keyframes arrowFade {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

/* 반응형 */
@media (max-width: 768px) {
  .synergy-visual {
    display: none;
  }
}

/* ── 스크롤 애니메이션 ────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.6s var(--ease),
    transform 0.6s var(--ease);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 {
  transition-delay: 0.1s;
}
.fade-up-delay-2 {
  transition-delay: 0.2s;
}
.fade-up-delay-3 {
  transition-delay: 0.3s;
}
.fade-up-delay-4 {
  transition-delay: 0.4s;
}
.fade-up-delay-5 {
  transition-delay: 0.5s;
}