/* =============================================
   CheckFlow - AI 기반 컴플라이언스 자동화 플랫폼
   Main Stylesheet
   ============================================= */

/* ---- CSS Variables ---- */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #7c3aed;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --border: #e2e8f0;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ---- Typography ---- */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Utilities ---- */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.badge-red    { background: rgba(239,68,68,.1); color: #ef4444; }
.badge-blue   { background: rgba(37,99,235,.1); color: #2563eb; }
.badge-purple { background: rgba(124,58,237,.1); color: #7c3aed; }
.badge-teal   { background: rgba(6,182,212,.1); color: #06b6d4; }
.badge-green  { background: rgba(16,185,129,.1); color: #10b981; }
.badge-gold   { background: rgba(245,158,11,.1); color: #d97706; }
.badge-navy   { background: rgba(30,58,138,.1); color: #1e3a8a; }
.badge-white  { background: rgba(255,255,255,.2); color: #fff; border: 1px solid rgba(255,255,255,.3); }

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: rgba(255,255,255,.1);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.2);
  transform: translateY(-2px);
}

/* ---- Logo image shared styles ---- */
/* 솔루션 허브 코어 로고 */
.sol-core-logo-img {
  width: 80px;
  height: auto;
  display: block;
  object-fit: contain;
  /* 다크배경에서 로고 원본 사용 */
}

/* 푸터 로고 */
.footer-logo-img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
  margin-bottom: 4px;
}

/* ============================================
   NAVBAR  —  redesigned
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 14px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(8,14,30,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 10px 0;
  box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 8px 32px rgba(0,0,0,.35);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo block */
.nav-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
  cursor: pointer;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: brightness(1.1);
  transition: opacity 0.3s;
}

.nav-logo-wrap:hover .nav-logo-img {
  opacity: 0.88;
}

.nav-logo-sub {
  font-size: 12px;
  color: rgba(255,255,255,.45);
  font-weight: 400;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

/* Center menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 auto;   /* push to center */
}

.nav-link {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: white;
  background: rgba(255,255,255,.07);
}

/* Right actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-lang {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.nav-lang:hover {
  background: rgba(255,255,255,.13);
  color: white;
}

.nav-demo-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: white;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(37,99,235,.4);
  white-space: nowrap;
}

.nav-demo-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(37,99,235,.55);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO  —  redesigned (2-column)
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #040d1f 0%, #081428 40%, #0d1a3a 70%, #060e22 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
}

/* Background layers */
.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6,182,212,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}

.glow-1 {
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(6,100,220,.28) 0%, transparent 65%);
  top: -180px; left: -160px;
  animation: hfloat 9s ease-in-out infinite;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,.18) 0%, transparent 65%);
  bottom: -180px; right: 20%;
  animation: hfloat 12s ease-in-out infinite reverse;
}
.glow-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,.2) 0%, transparent 65%);
  top: 30%; right: -100px;
  animation: hfloat 10s ease-in-out infinite;
}

@keyframes hfloat {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-28px) scale(1.04); }
}

/* ---- 2-column wrapper ---- */
.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 130px 28px 90px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}

/* ---- LEFT ---- */
.hero-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(6,182,212,.1);
  border: 1px solid rgba(6,182,212,.25);
  border-radius: var(--radius-full);
  color: #67e8f9;
  font-size: 12.5px;
  font-weight: 500;
  width: fit-content;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(36px, 4.8vw, 62px);
  font-weight: 900;
  color: white;
  line-height: 1.18;
  letter-spacing: -1.5px;
  margin: 0;
}

.hero-subtitle {
  font-size: 15px;
  color: rgba(255,255,255,.5);
  line-height: 1.85;
  max-width: 480px;
  margin: 0;
  font-weight: 400;
}

/* CTA buttons */
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(6,182,212,.35);
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(6,182,212,.5);
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: rgba(255,255,255,.8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid rgba(255,255,255,.22);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.btn-hero-outline:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.4);
  color: white;
  transform: translateY(-2px);
}

/* Stats row */
.hero-stats {
  display: flex;
  gap: 0;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px 20px;
  border-right: 1px solid rgba(255,255,255,.07);
  transition: background 0.3s;
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(255,255,255,.04); }

.stat-row {
  display: flex;
  align-items: flex-end;
  line-height: 1;
  gap: 1px;
  margin-bottom: 5px;
}

.stat-number {
  font-size: 30px;
  font-weight: 900;
  color: white;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.stat-unit {
  font-size: 18px;
  font-weight: 700;
  color: #06b6d4;
  margin-bottom: 1px;
}

.stat-label {
  font-size: 11px;
  color: rgba(255,255,255,.42);
  font-weight: 400;
  line-height: 1.4;
}

/* ---- RIGHT  (mockup) ---- */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mockup {
  width: 100%;
  max-width: 480px;
  background: rgba(6,20,55,.75);
  border: 1px solid rgba(6,182,212,.2);
  border-radius: 24px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(6,182,212,.08),
    0 30px 80px rgba(0,0,0,.5),
    0 0 60px rgba(6,100,220,.12);
  backdrop-filter: blur(20px);
}

.mockup-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
}

.mockup-live {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: rgba(255,255,255,.45);
  font-weight: 500;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: livepulse 2s ease-in-out infinite;
}

@keyframes livepulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

.mockup-badge24 {
  font-size: 11px;
  font-weight: 600;
  color: #67e8f9;
  background: rgba(6,182,212,.12);
  border: 1px solid rgba(6,182,212,.2);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* ---- Slider ---- */
.hero-slider {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.hs-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 28px;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  pointer-events: none;
}

.hs-slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.hs-slide.exit {
  opacity: 0;
  transform: translateX(-40px);
  position: absolute;
}

.hs-card {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 32px 28px;
  text-align: center;
}

.hs-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(37,99,235,.4) 0%, rgba(6,182,212,.4) 100%);
  border: 1px solid rgba(6,182,212,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #67e8f9;
  margin: 0 auto 20px;
  box-shadow: 0 0 24px rgba(6,182,212,.2);
}

.hs-card h3 {
  font-size: 24px;
  font-weight: 800;
  color: white;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.hs-card p {
  font-size: 13.5px;
  color: rgba(255,255,255,.5);
  line-height: 1.75;
}

/* ---- Slider footer ---- */
.hs-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px 18px;
  border-top: 1px solid rgba(255,255,255,.05);
}

.hs-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hs-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.2);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.hs-dot.active {
  width: 24px;
  background: #06b6d4;
  box-shadow: 0 0 8px rgba(6,182,212,.6);
}

.hs-count {
  font-size: 12px;
  color: rgba(255,255,255,.3);
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.5px;
}

.hs-count span {
  color: rgba(255,255,255,.65);
}

/* Scroll hint */
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.3);
  font-size: 11px;
  animation: bounce 2.5s infinite;
  pointer-events: none;
}

@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   PROBLEMS
   ============================================ */
/* ============================================
   PROBLEM CAROUSEL  — 원형 회전 캐러셀
   ============================================ */
.problems {
  background: #f8fafc;
  overflow: hidden;
}

/* 전체 래퍼 */
.prob-carousel-wrap {
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 0 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* ── 스테이지 (카드 5개 동시 표시) ── */
.prob-stage {
  position: relative;
  width: 100%;
  height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

/* ── 개별 카드 ── */
.prob-card {
  position: absolute;
  background: #ffffff;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
  padding: 40px 36px 36px;
  text-align: center;
  cursor: pointer;
  user-select: none;
  opacity: 0;
  pointer-events: none;
  transition:
    transform   0.55s cubic-bezier(0.34,1.15,0.64,1),
    opacity     0.45s ease,
    width       0.45s ease,
    box-shadow  0.35s ease;
}

/* === 포지션 클래스 === */

/* 가운데 (active) */
.prob-card.pos-center {
  width: 420px;
  transform: translateX(0) scale(1);
  opacity: 1;
  pointer-events: auto;
  z-index: 5;
  box-shadow: 0 20px 60px rgba(37,99,235,.16);
  border-color: rgba(37,99,235,.22);
}

/* 바로 왼쪽 */
.prob-card.pos-left {
  width: 300px;
  transform: translateX(-370px) scale(0.88);
  opacity: 0.75;
  pointer-events: auto;
  z-index: 4;
}

/* 바로 오른쪽 */
.prob-card.pos-right {
  width: 300px;
  transform: translateX(370px) scale(0.88);
  opacity: 0.75;
  pointer-events: auto;
  z-index: 4;
}

/* 왼쪽 끝 (보임) */
.prob-card.pos-far-left {
  width: 240px;
  transform: translateX(-650px) scale(0.74);
  opacity: 0.45;
  pointer-events: auto;
  z-index: 3;
}

/* 오른쪽 끝 (보임) */
.prob-card.pos-far-right {
  width: 240px;
  transform: translateX(650px) scale(0.74);
  opacity: 0.45;
  pointer-events: auto;
  z-index: 3;
}

/* 아이콘 */
.prob-card-icon {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 24px;
  transition: transform 0.3s;
}
.prob-card.pos-center .prob-card-icon {
  transform: scale(1.08);
}

/* 텍스트 */
.prob-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 14px;
}
.prob-card.pos-left h3,
.prob-card.pos-right h3 {
  font-size: 16px;
}
.prob-card.pos-far-left h3,
.prob-card.pos-far-right h3 {
  font-size: 14px;
}

.prob-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.prob-card.pos-left p,
.prob-card.pos-right p {
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prob-card.pos-far-left p,
.prob-card.pos-far-right p {
  font-size: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── 네비게이션 ── */
.prob-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 8px;
  z-index: 5;
}

.prob-nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: white;
  color: var(--primary);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.prob-nav-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 4px 16px rgba(37,99,235,.25);
}

/* 도트 */
.prob-dots {
  display: flex;
  gap: 8px;
}
.prob-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: #cbd5e1;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s;
  padding: 0;
}
.prob-dot.active {
  background: var(--primary);
  transform: scale(1.35);
}

/* ── 반응형 ── */
@media (max-width: 1200px) {
  .prob-card.pos-far-left  { transform: translateX(-560px) scale(0.72); opacity: 0.35; }
  .prob-card.pos-far-right { transform: translateX(560px)  scale(0.72); opacity: 0.35; }
  .prob-card.pos-left  { transform: translateX(-320px) scale(0.86); }
  .prob-card.pos-right { transform: translateX(320px)  scale(0.86); }
  .prob-card.pos-center { width: 380px; }
}

@media (max-width: 900px) {
  .prob-card.pos-far-left,
  .prob-card.pos-far-right { opacity: 0; pointer-events: none; }
  .prob-card.pos-left  { transform: translateX(-270px) scale(0.84); width: 260px; }
  .prob-card.pos-right { transform: translateX(270px)  scale(0.84); width: 260px; }
  .prob-card.pos-center { width: 320px; }
  .prob-stage { height: 380px; }
  .prob-arc { width: 700px; }
}

@media (max-width: 600px) {
  .prob-card.pos-left,
  .prob-card.pos-right { opacity: 0.4; }
  .prob-card.pos-left  { transform: translateX(-200px) scale(0.78); width: 220px; }
  .prob-card.pos-right { transform: translateX(200px)  scale(0.78); width: 220px; }
  .prob-card.pos-center { width: 280px; padding: 32px 24px; }
  .prob-stage { height: 340px; }
}

/* ============================================
   SOLUTION  —  Dynamic Hub Layout
   ============================================ */

.solution {
  position: relative;
  background: var(--dark);
  overflow: hidden;
  padding: 0;
}

/* ── 배경 레이어 ── */
.sol-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.sol-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.8;
}

.sol-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.sol-bg-glow.g1 {
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(37,99,235,.28) 0%, transparent 65%);
  top: -300px; left: -200px;
}
.sol-bg-glow.g2 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,58,237,.22) 0%, transparent 65%);
  bottom: -280px; right: -180px;
}
.sol-bg-glow.g3 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,.15) 0%, transparent 65%);
  top: 40%; left: 50%;
  transform: translate(-50%, -50%);
}

/* ── 파티클 도트 ── */
.sol-particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(96,165,250,.5);
  animation: sol-float 6s ease-in-out infinite;
}
.sol-particle.p1 { width:4px; height:4px; top:15%; left:8%;  animation-delay:0s;   animation-duration:7s; }
.sol-particle.p2 { width:3px; height:3px; top:70%; left:5%;  animation-delay:1.5s; animation-duration:9s; }
.sol-particle.p3 { width:5px; height:5px; top:25%; right:7%; animation-delay:0.8s; animation-duration:8s; }
.sol-particle.p4 { width:3px; height:3px; top:80%; right:12%;animation-delay:2s;   animation-duration:6s; }
.sol-particle.p5 { width:4px; height:4px; top:50%; left:50%; animation-delay:3s;   animation-duration:10s; background:rgba(167,139,250,.5); }

@keyframes sol-float {
  0%,100% { transform: translateY(0) scale(1); opacity: 0.5; }
  50%      { transform: translateY(-18px) scale(1.3); opacity: 1; }
}

/* ── 콘텐츠 래퍼 ── */
.sol-inner {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 110px 24px 100px;
}

/* ── 헤더 ── */
.sol-header {
  text-align: center;
  margin-bottom: 72px;
}

.sol-title {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin: 12px 0 16px;
  letter-spacing: -1px;
  white-space: nowrap;
}

.sol-desc {
  font-size: 17px;
  color: rgba(255,255,255,.55);
  white-space: nowrap;
  margin: 0 auto;
  line-height: 1.8;
}

/* ============================================
   허브 레이아웃  — 오각형 절대위치 + 우측 상세패널
   ============================================ */
.sol-hub-layout {
  display: grid;
  grid-template-columns: 560px 1fr;
  gap: 40px;
  align-items: center;
}

/* ── 오각형 영역 ── */
.sol-pentagon {
  position: relative;
  width: 560px;
  height: 600px;
  flex-shrink: 0;
}

/* ── 중앙 허브 원 래퍼 ── */
.sol-hub-circle {
  position: absolute;
  top: 300px;
  left: 280px;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  z-index: 5;
}

/* 링 애니메이션 */
.sol-hub-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(96,165,250,.14);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: ring-spin 20s linear infinite;
}
.sol-hub-ring.r1 { width: 190px; height: 190px; border-style: dashed; animation-duration: 60s; }
.sol-hub-ring.r2 { width: 155px; height: 155px; border-color: rgba(167,139,250,.12); animation-direction: reverse; animation-duration: 40s; }
.sol-hub-ring.r3 { width: 120px; height: 120px; border-color: rgba(6,182,212,.12); animation-duration: 25s; }

@keyframes ring-spin {
  from { transform: translate(-50%,-50%) rotate(0deg); }
  to   { transform: translate(-50%,-50%) rotate(360deg); }
}

/* 중앙 코어 서클 */
.sol-hub-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e3a8a 0%, #5b21b6 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow:
    0 0 0 8px rgba(37,99,235,.12),
    0 0 0 16px rgba(37,99,235,.06),
    0 0 50px rgba(37,99,235,.5),
    0 10px 40px rgba(0,0,0,.5);
  z-index: 10;
  animation: core-pulse 4s ease-in-out infinite;
}

@keyframes core-pulse {
  0%,100% { box-shadow: 0 0 0 8px rgba(37,99,235,.12), 0 0 0 16px rgba(37,99,235,.06), 0 0 50px rgba(37,99,235,.5), 0 10px 40px rgba(0,0,0,.5); }
  50%      { box-shadow: 0 0 0 12px rgba(37,99,235,.18), 0 0 0 24px rgba(37,99,235,.08), 0 0 80px rgba(37,99,235,.7), 0 10px 40px rgba(0,0,0,.5); }
}

.sol-hub-logo {
  width: 62px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.sol-hub-sub {
  font-size: 7.5px;
  font-weight: 600;
  color: rgba(255,255,255,.55);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: center;
  padding: 0 4px;
}

/* ── 카드 공통 (절대위치 오각형 배치) ── */
/* 오각형 배치: sol-pentagon 560×560, 중심 (280, 280), 반지름 210px
   오각형 꼭짓점 (시계방향, 위쪽 꼭짓점부터):
   pos-0: 상단   (280, 70)   → left=280-75=205, top=70-20=50
   pos-1: 우상단 (480, 210)  → left=480-75=405, top=210-20=190
   pos-2: 우하단 (400, 450)  → left=400-75=325, top=450-20=430
   pos-3: 좌하단 (160, 450)  → left=160-75=85,  top=450-20=430
   pos-4: 좌상단 (80,  210)  → left=80-75=5,    top=210-20=190
   카드 width=150px, 중심기준 offset: left -= 75
*/
.sol-ocard {
  position: absolute;
  width: 150px;
  cursor: pointer;
  z-index: 20;
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1), filter 0.3s;
}

/* 오각형 배치: sol-pentagon 560×600, 중심(280, 300), 반지름 210px
   5각형 꼭짓점 각도: 90°(상단), 18°(우상), 306°(우하), 234°(좌하), 162°(좌상)
   cos/sin 기준으로 계산 (카드 width=150, 수평 중심 offset=-75)
*/
/* 01 : 정상단 */
.sol-ocard.sol-pos-0 { top: -5px;  left: 205px; }
/* 02 : 우상단 */
.sol-ocard.sol-pos-1 { top: 195px; left: 400px; }
/* 03 : 우하단 */
.sol-ocard.sol-pos-2 { top: 430px; left: 338px; }
/* 04 : 좌하단 */
.sol-ocard.sol-pos-3 { top: 430px; left: 72px;  }
/* 05 : 좌상단 */
.sol-ocard.sol-pos-4 { top: 195px; left: 10px;  }

.sol-ocard:hover {
  transform: translateY(-6px) scale(1.04);
  filter: drop-shadow(0 8px 24px rgba(37,99,235,.45));
  z-index: 30;
}

.sol-ocard.active-card .sol-ocard-inner {
  background: linear-gradient(135deg, rgba(37,99,235,.5) 0%, rgba(124,58,237,.4) 100%);
  border-color: rgba(96,165,250,.6);
  box-shadow:
    0 0 0 2px rgba(96,165,250,.3),
    0 8px 32px rgba(37,99,235,.4),
    inset 0 1px 0 rgba(255,255,255,.15);
}

.sol-ocard-inner {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 16px 14px;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.sol-ocard-inner::before {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  margin: -16px -14px 12px;
  border-radius: 16px 16px 0 0;
}

.sol-ocard-num {
  font-size: 10px;
  font-weight: 800;
  color: rgba(96,165,250,.5);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.sol-ocard-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(37,99,235,.5) 0%, rgba(124,58,237,.5) 100%);
  border: 1px solid rgba(96,165,250,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #93c5fd;
  margin-bottom: 8px;
  transition: background 0.3s, box-shadow 0.3s;
}

.sol-ocard.active-card .sol-ocard-icon {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  box-shadow: 0 0 14px rgba(37,99,235,.5);
  color: white;
}

.sol-ocard-title {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,.88);
  line-height: 1.4;
  margin-bottom: 5px;
}

.sol-ocard-desc {
  font-size: 10px;
  color: rgba(255,255,255,.4);
  line-height: 1.55;
  margin-bottom: 7px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sol-ocard-tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(37,99,235,.2);
  border: 1px solid rgba(37,99,235,.3);
  color: #93c5fd;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

/* ─── 우측 상세 패널 ─── */
.sol-detail-panel {
  min-height: 420px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 24px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}

.sol-detail-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96,165,250,.4), transparent);
}

.sol-detail-panel::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
  border-radius: 0 0 24px 24px;
}

.sol-detail-panel.has-content::after {
  transform: scaleX(1);
}

.sol-detail-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,.2);
  text-align: center;
  height: 100%;
  min-height: 300px;
}

.sol-detail-placeholder i {
  font-size: 40px;
  animation: pointer-bounce 2s ease-in-out infinite;
}

@keyframes pointer-bounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

.sol-detail-placeholder p {
  font-size: 15px;
  line-height: 1.8;
}

.sol-detail-content {
  animation: detail-fadein 0.4s cubic-bezier(.4,0,.2,1);
}

@keyframes detail-fadein {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sol-dc-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(37,99,235,.25);
  border: 1px solid rgba(37,99,235,.4);
  color: #93c5fd;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.sol-dc-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: white;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(37,99,235,.4);
}

.sol-dc-title {
  font-size: 24px;
  font-weight: 800;
  color: white;
  line-height: 1.3;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.sol-dc-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.8;
  margin-bottom: 20px;
}

.sol-dc-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.sol-dc-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.75);
  line-height: 1.5;
}

.sol-dc-list li i {
  color: #34d399;
  font-size: 12px;
  margin-top: 2px;
  flex-shrink: 0;
}

.sol-dc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.sol-dc-chip {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: background 0.2s, border-color 0.2s;
}

.sol-dc-chip:hover {
  background: rgba(37,99,235,.25);
  border-color: rgba(96,165,250,.4);
  color: #93c5fd;
}

/* ─── 하단 스텝 바 ─── */
.sol-bottom-bar {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.sol-step-dots {
  display: flex;
  gap: 8px;
}

.sol-sdot {
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.35);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
}

.sol-sdot:hover {
  background: rgba(37,99,235,.2);
  border-color: rgba(96,165,250,.4);
  color: #93c5fd;
}

.sol-sdot.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(37,99,235,.4);
}

.sol-progress-track {
  width: 240px;
  height: 3px;
  background: rgba(255,255,255,.08);
  border-radius: 999px;
  overflow: hidden;
}

.sol-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 999px;
  transition: width 0.5s ease;
  width: 20%;
}

/* ============================================
   SOLUTION  —  반응형
   ============================================ */
@media (max-width: 1200px) {
  .sol-hub-layout {
    grid-template-columns: 500px 1fr;
    gap: 28px;
  }
  .sol-pentagon { width: 500px; height: 540px; }
  .sol-hub-circle { top: 270px; left: 250px; width: 180px; height: 180px; }
  .sol-hub-ring.r1 { width: 170px; height: 170px; }
  .sol-hub-ring.r2 { width: 138px; height: 138px; }
  .sol-hub-ring.r3 { width: 108px; height: 108px; }
  /* 중심(250,270), 반지름 185px 기준 재배치 */
  .sol-ocard.sol-pos-0 { top: 22px;  left: 175px; }
  .sol-ocard.sol-pos-1 { top: 168px; left: 348px; }
  .sol-ocard.sol-pos-2 { top: 385px; left: 298px; }
  .sol-ocard.sol-pos-3 { top: 385px; left: 52px;  }
  .sol-ocard.sol-pos-4 { top: 168px; left: 2px;   }
}

@media (max-width: 960px) {
  .sol-hub-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sol-pentagon { margin: 0 auto; }
  .sol-detail-panel { margin-top: 0; }
  .sol-title { white-space: normal; }
  .sol-desc  { white-space: normal; }
}

@media (max-width: 600px) {
  .sol-inner { padding: 70px 16px 70px; }
  .sol-hub-layout { gap: 24px; }
  .sol-pentagon { width: 360px; height: 460px; }
  .sol-hub-circle { top: 230px; left: 180px; width: 140px; height: 140px; }
  .sol-hub-ring.r1 { width: 130px; height: 130px; }
  .sol-hub-ring.r2 { width: 105px; height: 105px; }
  .sol-hub-ring.r3 { width: 80px;  height: 80px;  }
  .sol-hub-core { width: 85px; height: 85px; }
  .sol-hub-logo { width: 42px; }
  .sol-ocard { width: 110px; }
  /* 중심(180,230), 반지름 160px 기준 재배치 */
  .sol-ocard.sol-pos-0 { top: 18px;  left: 125px; }
  .sol-ocard.sol-pos-1 { top: 126px; left: 238px; }
  .sol-ocard.sol-pos-2 { top: 316px; left: 200px; }
  .sol-ocard.sol-pos-3 { top: 316px; left: 50px;  }
  .sol-ocard.sol-pos-4 { top: 126px; left: 12px;  }
  .sol-ocard-inner { padding: 10px 8px; }
  .sol-ocard-title { font-size: 10.5px; }
  .sol-ocard-desc { display: none; }
  .sol-detail-panel { padding: 24px 18px; }
  .sol-dc-title { font-size: 20px; }
}

/* ============================================
   PRINCIPLES
   ============================================ */
.principles {
  background: var(--dark);
}

.principles .section-title {
  color: white;
}

.principles .section-desc {
  color: rgba(255,255,255,.6);
}

.principles-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.principles-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 380px;
}

.principle-center {
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: white;
  z-index: 2;
  box-shadow: 0 0 40px rgba(37,99,235,.5);
}

.principle-center i {
  font-size: 28px;
}

.principle-orbit {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,.15);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.principle-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: rotate-reverse 20s linear infinite;
}

@keyframes rotate-reverse {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

.node-1 { top: -30px; left: 50%; transform: translateX(-50%); }
.node-2 { right: -30px; top: 50%; transform: translateY(-50%); }
.node-3 { bottom: -30px; left: 50%; transform: translateX(-50%); }
.node-4 { left: -30px; top: 50%; transform: translateY(-50%); }

.node-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #60a5fa;
  backdrop-filter: blur(10px);
}

.node-label {
  font-size: 11px;
  color: rgba(255,255,255,.6);
  font-weight: 500;
  white-space: nowrap;
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.principle-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  cursor: default;
}

.principle-item:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(37,99,235,.4);
}

.principle-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.principle-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.principle-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: white;
}

.principle-item p {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
}

/* ============================================
   FEATURES
   ============================================ */
.features {
  background: var(--bg-light);
}

.features-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: white;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.tab-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  background: white;
  border-radius: var(--radius-xl);
  padding: 56px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.feature-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.feature-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.8;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-secondary);
}

.feature-list li i {
  color: var(--success);
  margin-top: 3px;
  flex-shrink: 0;
}

/* Mockup Card */
.mockup-card {
  background: var(--dark-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--dark-3);
  border-bottom: 1px solid rgba(255,255,255,.05);
}

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

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #10b981; }

.mockup-title {
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

.mockup-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.check-pass { background: rgba(16,185,129,.1); color: #6ee7b7; }
.check-warn { background: rgba(245,158,11,.1); color: #fcd34d; }
.check-fail { background: rgba(239,68,68,.1); color: #fca5a5; }

.check-item span:nth-child(2) { flex: 1; }

.check-badge {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

.check-badge.pass { background: rgba(16,185,129,.3); color: #34d399; }
.check-badge.warn { background: rgba(245,158,11,.3); color: #fcd34d; }
.check-badge.fail { background: rgba(239,68,68,.3); color: #f87171; }

.check-progress {
  margin-top: 8px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-bottom: 8px;
}

.progress-score {
  font-weight: 700;
  color: #60a5fa;
}

.progress-bar {
  height: 8px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

/* Workflow Visual */
.workflow-visual {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.wf-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.wf-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

.wf-done .wf-circle  { background: var(--success); color: white; }
.wf-active .wf-circle{ background: var(--primary); color: white; box-shadow: 0 0 20px rgba(37,99,235,.5); }
.wf-pending .wf-circle{ background: var(--border); color: var(--gray-light); }

.wf-step span {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.wf-arrow { color: var(--gray-light); font-size: 14px; }

/* Golden Visual */
.golden-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.golden-center {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: white;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 0 30px rgba(37,99,235,.4);
}

.golden-center i { font-size: 28px; }

.golden-channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
}

.channel-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.channel-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.channel-item i {
  font-size: 22px;
  color: var(--primary);
}

.channel-item span {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Audit Visual */
.audit-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.audit-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.audit-card:hover {
  border-color: var(--primary);
  background: white;
  box-shadow: var(--shadow-sm);
}

.audit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  flex-shrink: 0;
}

.audit-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.audit-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

.status-new  { background: rgba(239,68,68,.1); color: #ef4444; }
.status-done { background: rgba(16,185,129,.1); color: #10b981; }

/* ============================================
   WORKFLOW SECTION (BIG STEPS)
   ============================================ */
.workflow-section {
  background: white;
}

.workflow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.wf-big-step {
  flex: 1;
  text-align: center;
  padding: 32px 24px;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

.wf-big-step.visible {
  opacity: 1;
  transform: translateY(0);
}

.wf-big-num {
  font-size: 64px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
  transition: color 0.4s ease, text-shadow 0.4s ease;
}

/* 숫자 하이라이트 상태 */
.wf-big-step.wf-active .wf-big-num {
  color: var(--primary);
  text-shadow:
    0 0 20px rgba(37,99,235,0.5),
    0 0 40px rgba(37,99,235,0.25);
}

.wf-big-step.wf-active .wf-big-icon {
  transform: scale(1.12);
  box-shadow: 0 12px 36px rgba(37,99,235,0.55);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.wf-big-icon {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.wf-big-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
  margin: 0 auto 20px;
  box-shadow: 0 8px 25px rgba(37,99,235,0.3);
}

.wf-big-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.wf-big-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.wf-connector {
  display: flex;
  align-items: center;
  padding-top: 72px;
  color: var(--gray-light);
  font-size: 20px;
}

.wf-line {
  display: none;
}

/* ============================================
   CASES  /  도입 사례
   ============================================ */
.cases {
  background: var(--dark);
}

.badge-teal {
  background: rgba(20,184,166,.15);
  color: #2dd4bf;
  border: 1px solid rgba(20,184,166,.3);
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.case-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 20px;
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.3s, transform 0.3s;
}

.case-card:hover {
  border-color: rgba(96,165,250,.25);
  transform: translateY(-4px);
}

.case-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.case-company {
  font-size: 22px;
  font-weight: 800;
  color: white;
}

.case-badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(20,184,166,.15);
  border: 1px solid rgba(20,184,166,.3);
  color: #2dd4bf;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.case-info {
  font-size: 13px;
  color: rgba(255,255,255,.4);
  margin: -4px 0 0;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.65);
  font-size: 12px;
  font-weight: 500;
}

.case-metrics {
  display: flex;
  gap: 32px;
  margin-top: 8px;
}

.case-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-metric-num {
  font-size: 34px;
  font-weight: 900;
  color: #2dd4bf;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.case-metric-num.teal {
  font-size: 28px;
}

.case-metric-label {
  font-size: 12px;
  color: rgba(255,255,255,.45);
  line-height: 1.5;
}

@media (max-width: 760px) {
  .cases-grid { grid-template-columns: 1fr; }
  .case-metrics { gap: 20px; }
  .case-metric-num { font-size: 28px; }
}

/* ============================================
   EFFECTS / RESULTS
   ============================================ */
.effects {
  background: var(--dark);
}

.effects .section-title {
  color: white;
}

.effects .section-desc {
  color: rgba(255,255,255,.6);
}

.effects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.effect-card {
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,.09);
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.effect-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.effect-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(37,99,235,.3);
  border-color: transparent;
  background: var(--gradient-primary);
}

.effect-card:hover .effect-num,
.effect-card:hover .effect-unit,
.effect-card:hover .effect-label,
.effect-card:hover p {
  color: white;
}

.effect-card:hover .effect-icon {
  background: rgba(255,255,255,.2);
  color: white;
}

.effect-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(37,99,235,.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin: 0 auto 20px;
}

.effect-metric {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  margin-bottom: 8px;
  line-height: 1;
}

.effect-num {
  font-size: 52px;
  font-weight: 900;
  color: white;
  font-family: 'Inter', sans-serif;
}

.effect-unit {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.effect-label {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  margin-bottom: 12px;
}

.effect-card p {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
}

/* ============================================
   INDUSTRIES
   ============================================ */
.industries {
  background: white;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.industry-card {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-light);
  transition: var(--transition);
  cursor: default;
}

.industry-card:hover {
  background: white;
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.industry-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  margin: 0 auto 16px;
}

.industry-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.industry-card p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  position: relative;
  background: var(--dark);
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.contact-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.2) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

/* ── 섹션 헤더 ── */
.contact-header {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.contact-header-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: white;
  line-height: 1.3;
  margin: 16px 0;
}

.contact-header-desc {
  color: rgba(255,255,255,.6);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.contact-benefits {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.8);
  font-size: 15px;
}

.benefit-item i {
  color: #34d399;
  font-size: 16px;
}

/* ── 상단 3 카드 ── */
.contact-top-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.ctop-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
  backdrop-filter: blur(8px);
}

.ctop-card:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(96,165,250,.3);
  transform: translateY(-4px);
}

.ctop-emoji {
  font-size: 32px;
  line-height: 1;
  margin-bottom: 4px;
}

.ctop-title {
  font-size: 17px;
  font-weight: 700;
  color: white;
  line-height: 1.3;
}

.ctop-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  flex: 1;
}

.ctop-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(96,165,250,.35);
  background: rgba(37,99,235,.15);
  color: #93c5fd;
  font-size: 12px;
  font-weight: 600;
}

/* ── 하단 폼 박스 ── */
.contact-form-box {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  padding: 48px 56px;
  backdrop-filter: blur(12px);
  max-width: 780px;
  margin: 0 auto;
}

.cfbox-header {
  margin-bottom: 32px;
}

.cfbox-title {
  font-size: 26px;
  font-weight: 800;
  color: white;
  margin-bottom: 6px;
}

.cfbox-sub {
  font-size: 14px;
  color: rgba(255,255,255,.5);
}

/* ── 폼 공통 ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  margin-bottom: 8px;
}

.form-group label span {
  color: #f87171;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(255,255,255,.12);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: white;
  background: rgba(255,255,255,.06);
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
  outline: none;
  resize: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,.28);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,.4)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: #1e293b;
  color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(96,165,250,.6);
  background: rgba(255,255,255,.09);
  box-shadow: 0 0 0 3px rgba(37,99,235,.2);
}

.form-submit {
  width: 100%;
  margin-top: 8px;
  padding: 16px;
  background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 60%, #7c3aed 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: opacity 0.25s, transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 4px 20px rgba(37,99,235,.45);
}

.form-submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,99,235,.55);
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
}

.form-success i {
  font-size: 56px;
  color: #34d399;
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 22px;
  font-weight: 800;
  color: white;
  margin-bottom: 10px;
}

.form-success p {
  color: rgba(255,255,255,.55);
  font-size: 15px;
}

/* ── 반응형 ── */
@media (max-width: 900px) {
  .contact-top-cards { grid-template-columns: 1fr; }
  .contact-form-box  { padding: 36px 28px; }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .contact-form-box  { padding: 28px 20px; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #020617;
  color: rgba(255,255,255,.6);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 32px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.4);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  font-size: 16px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  color: white;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col li a {
  font-size: 14px;
  color: rgba(255,255,255,.4);
  transition: var(--transition);
}

.footer-col li a:hover {
  color: rgba(255,255,255,.8);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 13px;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  color: rgba(255,255,255,.35);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: rgba(255,255,255,.7);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(37,99,235,.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .industry-grid      { grid-template-columns: repeat(3, 1fr); }
  .problems-grid      { grid-template-columns: repeat(2, 1fr); }
  .hero-container     { gap: 40px; }
}

@media (max-width: 900px) {
  .section-container  { padding: 72px 20px; }

  /* Nav mobile */
  .nav-logo-sub       { display: none; }

  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: #080e1e;
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 32px;
    gap: 4px;
    transition: right 0.35s ease;
    box-shadow: -5px 0 40px rgba(0,0,0,.5);
    z-index: 999;
    margin: 0;
  }
  .nav-menu.open      { right: 0; }
  .nav-link           { width: 100%; font-size: 15px; padding: 12px 16px; }
  .nav-demo-btn       { display: none; }
  .hamburger          { display: flex; z-index: 1001; }

  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Hero 2col → 1col */
  .hero-container {
    grid-template-columns: 1fr;
    padding: 120px 24px 80px;
    gap: 48px;
    text-align: center;
  }
  .hero-left          { align-items: center; }
  .hero-badge         { align-self: center; }
  .hero-subtitle      { max-width: 100%; }
  .hero-right         { justify-content: center; }
  .hero-mockup        { max-width: 400px; }

  /* Other sections */
  .principles-container,
  .contact-inner      { grid-template-columns: 1fr; gap: 48px; }
  .principles-visual  { height: 300px; }
  .feature-detail     { grid-template-columns: 1fr; padding: 36px; gap: 36px; }
  .workflow-steps     { flex-direction: column; gap: 16px; }
  .wf-connector       { transform: rotate(90deg); padding-top: 0; align-self: center; }
  .effects-grid,
  .problems-grid      { grid-template-columns: repeat(2, 1fr); }
  .footer-main        { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .section-container  { padding: 60px 16px; }

  .hero-title         { font-size: 36px; letter-spacing: -1px; }
  .hero-stats         { flex-wrap: wrap; }
  .stat-item          { flex: 0 0 50%; border-right: none; border-bottom: 1px solid rgba(255,255,255,.07); }
  .stat-item:nth-child(odd)  { border-right: 1px solid rgba(255,255,255,.07); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }

  .hero-actions       { flex-direction: column; width: 100%; }
  .btn-hero-primary,
  .btn-hero-outline   { justify-content: center; width: 100%; }

  .effects-grid,
  .problems-grid,
  .industry-grid      { grid-template-columns: 1fr; }
  .industry-grid      { grid-template-columns: repeat(2, 1fr); }

  .features-tabs      { flex-direction: column; align-items: stretch; }
  .tab-btn            { justify-content: center; }

  .footer-links       { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom      { flex-direction: column; gap: 12px; }
  .form-row           { grid-template-columns: 1fr; }
  .contact-form       { padding: 28px 20px; }
  .principles-visual  { display: none; }
  .workflow-visual    { flex-direction: column; }
  .wf-arrow           { transform: rotate(90deg); }
}

/* =============================================
   통합 대시보드 탭 — mockup 비주얼 스타일
   ============================================= */

/* 프로젝트 현황 미니 바 */
.dash-mock-section {
  margin-bottom: 4px;
}

.dash-mock-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.dash-mock-label i {
  color: var(--primary);
}

.dash-mock-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dash-mock-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dash-bar-name {
  font-size: 12px;
  color: var(--text-secondary);
  width: 70px;
  flex-shrink: 0;
}

.dash-bar-track {
  flex: 1;
  height: 6px;
  background: #e2e8f0;
  border-radius: 99px;
  overflow: hidden;
}

.dash-bar-fill {
  height: 100%;
  border-radius: 99px;
}

.dash-bar-tag {
  font-size: 11px;
  font-weight: 600;
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

/* To-Do 미니 리스트 */
.dash-mock-todo {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.dash-todo-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-primary);
}

.dash-todo-item span:nth-child(2) {
  flex: 1;
}

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

.dash-todo-date {
  font-size: 11px;
  color: var(--gray-light);
  flex-shrink: 0;
}

.dash-todo-done span:nth-child(2) {
  text-decoration: line-through;
  color: var(--gray-light);
}

/* =============================================
   온라인 채널 모니터링 탭 — mockup 비주얼 스타일
   ============================================= */

/* 채널 리스트 */
.monitor-channel-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.monitor-channel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  transition: background 0.15s;
}

.monitor-channel-item:hover {
  background: #f0f6ff;
}

.monitor-ch-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.monitor-ch-icon i {
  font-size: 15px;
}

.monitor-ch-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.monitor-ch-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.monitor-ch-product {
  font-size: 11px;
  color: var(--gray-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 상태 배지 */
.monitor-ch-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 99px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  white-space: nowrap;
}

.badge-pass  { background: #d1fae5; color: #065f46; }
.badge-fail  { background: #fee2e2; color: #991b1b; }
.badge-warn  { background: #fef3c7; color: #92400e; }

/* 요약 수치 바 */
.monitor-summary {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.monitor-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 8px;
  background: #f8fafc;
  border-right: 1px solid var(--border);
}

.monitor-stat:last-child {
  border-right: none;
}

.monitor-stat-num {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

.monitor-stat-label {
  font-size: 11px;
  color: var(--gray);
  margin-top: 3px;
}

.dash-todo-done span:nth-child(2) {
  text-decoration: line-through;
  color: var(--gray-light);
}