/* ===================================================
   AI-ModelCraft 제품 상세페이지 CSS v2
   주색상: 파란색(#1565C0 계열) | 포인트: 레드(#C62828) + 블랙(#1A1A2E)
   Width: 1180px 기준
   =================================================== */

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

:root {
  /* ===== 파란색 주색상 계열 ===== */
  --blue-primary:  #1565C0;
  --blue-deep:     #0D47A1;
  --blue-mid:      #1976D2;
  --blue-light:    #1E88E5;
  --blue-bg:       #E3F2FD;
  --blue-bg2:      #BBDEFB;
  --blue-bright:   #42A5F5;

  /* ===== 레드 포인트 ===== */
  --red-accent:    #C62828;
  --red-mid:       #D32F2F;
  --red-light:     #FFEBEE;
  --red-bg:        #FFCDD2;

  /* ===== 블랙 포인트 ===== */
  --black-accent:  #0D0D1A;
  --black-mid:     #1A1A2E;
  --black-soft:    #2D3142;
  --black-text:    #1C1C2E;

  /* ===== 다크 배경 ===== */
  --dark-bg:       #060D1A;
  --dark-card:     #0E1827;
  --dark-card2:    #111D30;
  --dark-border:   #1A2E46;
  --dark-border2:  #243D59;

  /* ===== 중립 ===== */
  --gray-50:       #F8FAFD;
  --gray-100:      #F0F4FA;
  --gray-200:      #E2E8F4;
  --gray-300:      #C8D3E8;
  --gray-400:      #94A3B8;
  --gray-500:      #64748B;
  --gray-700:      #334155;
  --white:         #FFFFFF;

  /* ===== 그라데이션 ===== */
  --grad-blue:     linear-gradient(135deg, #1565C0 0%, #1976D2 50%, #1E88E5 100%);
  --grad-blue-h:   linear-gradient(135deg, #0D47A1 0%, #1565C0 100%);
  --grad-red:      linear-gradient(135deg, #C62828 0%, #D32F2F 100%);
  --grad-dark:     linear-gradient(135deg, #060D1A 0%, #0E1827 60%, #0A1520 100%);
  --grad-hero:     linear-gradient(135deg, #030A14 0%, #071220 50%, #0A1929 100%);
  --grad-mixed:    linear-gradient(135deg, #1565C0 0%, #0D47A1 40%, #0A0D1A 100%);

  /* ===== 섀도우 ===== */
  --shadow-sm:     0 2px 8px rgba(21,101,192,0.08);
  --shadow-md:     0 8px 28px rgba(21,101,192,0.14);
  --shadow-lg:     0 20px 60px rgba(21,101,192,0.18);
  --shadow-blue:   0 8px 32px rgba(21,101,192,0.3);
  --shadow-red:    0 8px 24px rgba(198,40,40,0.25);
  --shadow-dark:   0 8px 32px rgba(0,0,0,0.4);

  /* ===== 기타 ===== */
  --radius-xs:  6px;
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --radius-full: 9999px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', 'Inter', sans-serif;
  color: var(--black-text);
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ---- Typography ---- */
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.3; }

.gradient-text {
  background: linear-gradient(135deg, #42A5F5, #1E88E5, #42A5F5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================================
   STICKY NAV
   =================================================== */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6,13,26,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  padding: 14px 0;
  transition: box-shadow 0.3s;
}
.top-nav.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  border-bottom-color: rgba(21,101,192,0.3);
}
.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.top-nav .nav-logo img {
  height: 30px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.top-nav .nav-links {
  display: flex;
  gap: 24px;
  flex: 1;
  justify-content: center;
}
.top-nav .nav-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}
.top-nav .nav-links a:hover { color: var(--blue-bright); }
.top-nav .nav-cta {
  background: var(--grad-blue);
  color: white;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s;
  box-shadow: var(--shadow-blue);
}
.top-nav .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(21,101,192,0.5);
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--grad-hero);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(21,101,192,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21,101,192,0.07) 1px, transparent 1px);
  background-size: 56px 56px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.glow-1 { width: 700px; height: 700px; top: -200px; right: -150px; background: radial-gradient(circle, rgba(21,101,192,0.2) 0%, transparent 70%); }
.glow-2 { width: 400px; height: 400px; bottom: -100px; left: 0;    background: radial-gradient(circle, rgba(13,71,161,0.15) 0%, transparent 70%); }
.glow-3 { width: 300px; height: 300px; top: 40%; left: 30%; background: radial-gradient(circle, rgba(198,40,40,0.06) 0%, transparent 70%); }

.hero-particles { position: absolute; inset: 0; }
.particle {
  position: absolute;
  width: 2px; height: 2px;
  border-radius: 50%;
  background: rgba(30,136,229,0.7);
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0%   { transform: translateY(100vh) translateX(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.8; }
  100% { transform: translateY(-100px) translateX(20px); opacity: 0; }
}

.hero > .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-inner { }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(21,101,192,0.18);
  border: 1px solid rgba(21,101,192,0.4);
  color: var(--blue-bright);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-logo {
  margin-bottom: 24px;
}
.hero-logo img {
  height: 48px;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

.hero-title {
  font-size: 46px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.hero-desc {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  margin-bottom: 28px;
  line-height: 1.9;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.hero-tags span {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}
.hero-tags span i { color: var(--blue-bright); }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero Screenshot */
.hero-screenshot {
  position: relative;
}
.screenshot-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(21,101,192,0.2);
  background: var(--dark-card);
}
.sf-bar {
  background: #0E1827;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--dark-border);
}
.sf-dots { display: flex; gap: 6px; }
.sf-dots span { width: 10px; height: 10px; border-radius: 50%; }
.sf-dots span:nth-child(1) { background: #FF5F57; }
.sf-dots span:nth-child(2) { background: #FEBC2E; }
.sf-dots span:nth-child(3) { background: #28C840; }
.sf-title { color: rgba(255,255,255,0.5); font-size: 12px; font-weight: 500; }
.sf-body img { width: 100%; display: block; }

.screenshot-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  backdrop-filter: blur(12px);
  white-space: nowrap;
}
.badge-tl { top: -10px; left: -10px; background: rgba(21,101,192,0.9); color: white; border: 1px solid rgba(21,101,192,0.5); }
.badge-br { bottom: -10px; right: -10px; background: rgba(198,40,40,0.9); color: white; border: 1px solid rgba(198,40,40,0.5); }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.3);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ===================================================
   SECTION COMMON
   =================================================== */
.section { padding: 30px 0; }
.bg-dark  { background: var(--dark-bg); }
.bg-light { background: var(--gray-50); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-header.light .section-title { color: var(--white); }
.section-header.light .section-sub   { color: rgba(255,255,255,0.45); }
.section-header.light .section-num   { color: rgba(21,101,192,0.2); }

.section-num {
  font-size: 80px;
  font-weight: 900;
  color: rgba(21,101,192,0.06);
  line-height: 1;
  margin-bottom: -12px;
  letter-spacing: -3px;
  font-family: 'Inter', sans-serif;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--black-mid);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-sub { color: var(--gray-400); font-size: 16px; }

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.2px;
}
.btn-primary {
  background: var(--grad-blue);
  color: white;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(21,101,192,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--blue-primary);
  border: 2px solid var(--blue-primary);
}
.btn-outline:hover {
  background: var(--blue-bg);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}
.btn-hero { padding: 14px 32px; font-size: 15px; }
.btn-full { width: 100%; }

/* ===================================================
   SECTION 01: OVERVIEW
   =================================================== */
.section-overview {
  background: #fff;
  position: relative;
  overflow: hidden;
}
.section-overview::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(21,101,192,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.overview-highlight {
  display: flex;
  gap: 28px;
  background: linear-gradient(135deg, #E3F2FD 0%, #F0F8FF 100%);
  border: 1.5px solid rgba(21,101,192,0.18);
  border-left: 5px solid var(--blue-primary);
  border-radius: var(--radius-md);
  padding: 36px;
  margin-bottom: 56px;
}
.highlight-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  background: var(--grad-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  box-shadow: var(--shadow-blue);
}
.highlight-content h3 { font-size: 19px; font-weight: 700; color: var(--black-mid); margin-bottom: 12px; }
.highlight-content p  { color: var(--gray-700); line-height: 1.85; font-size: 15px; }
.highlight-content strong { color: var(--blue-primary); }

.value-cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

.value-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-blue);
}
.value-card.accent-red::before  { background: var(--grad-red); }
.value-card.accent-black::before { background: linear-gradient(135deg, var(--black-mid), var(--black-soft)); }

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-mid);
}
.value-card.accent-red:hover   { border-color: var(--red-mid); box-shadow: var(--shadow-red); }
.value-card.accent-black:hover { border-color: var(--black-soft); }

.value-num {
  position: absolute;
  top: -1px; right: 18px;
  background: var(--grad-blue);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 0 0 8px 8px;
}
.value-card.accent-red   .value-num { background: var(--grad-red); }
.value-card.accent-black .value-num { background: linear-gradient(135deg, var(--black-mid), var(--black-soft)); }

.value-icon {
  width: 60px; height: 60px;
  background: var(--blue-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--blue-primary);
  margin: 0 auto 16px;
}
.value-card.accent-red   .value-icon { background: var(--red-light); color: var(--red-accent); }
.value-card.accent-black .value-icon { background: rgba(26,26,46,0.07); color: var(--black-mid); }

.value-card h4 { font-size: 15px; font-weight: 700; color: var(--black-mid); margin-bottom: 8px; }
.value-card p  { font-size: 13px; color: var(--gray-500); line-height: 1.65; }

/* ===================================================
   SECTION 02: FEATURES (dark)
   =================================================== */
.arch-diagram {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 56px;
}
.arch-layer { display: flex; justify-content: center; gap: 24px; }
.arch-arrows { display: flex; justify-content: center; margin: 10px 0; }
.arch-arrow-line { width: 2px; height: 28px; background: linear-gradient(to bottom, rgba(21,101,192,0.7), rgba(21,101,192,0.1)); }

.arch-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform 0.3s;
}
.arch-box:hover { transform: translateY(-3px); }
.arch-box span  { font-size: 13px; font-weight: 600; color: white; }
.arch-box small { font-size: 10px; color: rgba(255,255,255,0.45); }
.arch-box i     { font-size: 22px; }

.arch-logo { height: 28px; filter: brightness(0) invert(1); opacity: 0.9; margin-bottom: 4px; }

.arch-main  { background: var(--grad-blue); min-width: 220px; box-shadow: 0 8px 32px rgba(21,101,192,0.35); }
.arch-main i { color: white; }
.arch-web, .arch-local { background: rgba(21,101,192,0.12); border: 1px solid rgba(21,101,192,0.25); min-width: 160px; }
.arch-web i, .arch-local i { color: var(--blue-bright); }
.arch-slm, .arch-public, .arch-data, .arch-rag {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  min-width: 120px;
}
.arch-slm i, .arch-public i, .arch-data i, .arch-rag i { color: rgba(255,255,255,0.55); }

/* Feature Grid */
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }

.feature-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.fc-blue::before  { background: var(--grad-blue); }
.fc-red::before   { background: var(--grad-red); }
.fc-black::before { background: linear-gradient(135deg, var(--black-mid), #334155); }

.feature-card:hover {
  border-color: rgba(21,101,192,0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}
.fc-red:hover   { border-color: rgba(198,40,40,0.3); }
.fc-black:hover { border-color: rgba(45,49,66,0.5); }

.feature-icon-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
.fc-blue  .feature-icon-wrap { background: rgba(21,101,192,0.18); color: var(--blue-bright); }
.fc-red   .feature-icon-wrap { background: rgba(198,40,40,0.18);  color: #EF9A9A; }
.fc-black .feature-icon-wrap { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.65); }

.feature-card h4 { font-size: 15px; font-weight: 700; color: white; margin-bottom: 12px; }
.feature-card ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.feature-card ul li {
  font-size: 12.5px;
  color: rgba(255,255,255,0.5);
  padding-left: 14px;
  position: relative;
  line-height: 1.55;
}
.feature-card ul li::before { content: '—'; position: absolute; left: 0; color: var(--blue-bright); font-size: 10px; top: 3px; }
.fc-red ul li::before { color: #EF9A9A; }
.fc-black ul li::before { color: rgba(255,255,255,0.3); }

/* ===================================================
   SECTION 03: COMPARE
   =================================================== */
.section-compare { background: #fff; position: relative; overflow: hidden; }
.section-compare::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(21,101,192,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.compare-wrap {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 48px;
}
.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-300);
  flex-shrink: 0;
  margin-top: 200px;
  width: 40px;
}

.compare-card {
  flex: 1;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: all 0.3s;
}
.compare-card:hover { border-color: var(--blue-mid); box-shadow: var(--shadow-blue); }
.compare-card.recommended { border-color: var(--blue-primary); box-shadow: var(--shadow-blue); }
.compare-badge {
  position: absolute;
  top: -13px; right: 24px;
  background: var(--grad-blue);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.compare-header { text-align: center; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); }
.compare-icon { width: 60px; height: 60px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 14px; }
.ci-blue  { background: var(--blue-bg); color: var(--blue-primary); }
.ci-black { background: rgba(26,26,46,0.07); color: var(--black-mid); }
.compare-header h3 { font-size: 21px; color: var(--black-mid); margin-bottom: 5px; }
.compare-header p  { font-size: 13px; color: var(--gray-400); }

/* Compare Screenshot */
.compare-screenshot {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--gray-200);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.compare-screenshot img { width: 100%; display: block; }

.compare-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.compare-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--gray-700); }
.compare-list li i { color: var(--blue-primary); margin-top: 3px; flex-shrink: 0; }

.compare-env { display: flex; gap: 8px; flex-wrap: wrap; }
.compare-env span {
  display: flex; align-items: center; gap: 5px;
  background: var(--gray-100); border: 1px solid var(--gray-200);
  padding: 5px 12px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 600; color: var(--gray-700);
}

/* Common Support */
.common-support {
  background: var(--blue-bg);
  border: 1px solid rgba(21,101,192,0.18);
  border-radius: var(--radius-md);
  padding: 36px;
  text-align: center;
}
.common-support h4 {
  font-size: 17px; color: var(--blue-deep); margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.common-support h4 i { color: var(--blue-primary); }
.common-grid { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.common-item {
  display: flex; align-items: center; gap: 8px;
  background: white; border: 1px solid rgba(21,101,192,0.15);
  padding: 10px 20px; border-radius: var(--radius-full);
  font-size: 14px; font-weight: 600; color: var(--blue-deep);
}
.common-item i { color: var(--blue-primary); }

/* ===================================================
   SECTION 04: DETAIL
   =================================================== */
.section-detail { position: relative; overflow: hidden; }

.detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--gray-200);
}
.detail-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.detail-row.reverse { direction: rtl; }
.detail-row.reverse > * { direction: ltr; }

/* App Screenshot */
.app-screenshot-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 60px rgba(0,0,0,0.15);
  border: 1px solid var(--gray-200);
}
.app-screenshot { width: 100%; display: block; }
.screenshot-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(21,101,192,0.85);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(4px);
}

/* Dual Screenshot */
.dual-screenshot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.dual-item { position: relative; border-radius: var(--radius-sm); overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,0.12); border: 1px solid var(--gray-200); }
.dual-item .app-screenshot { width: 100%; }

/* Detail Content */
.detail-tag {
  display: inline-block;
  color: white;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 5px 13px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.dt-blue  { background: var(--grad-blue); }
.dt-red   { background: var(--grad-red); }
.dt-black { background: linear-gradient(135deg, var(--black-mid), #334155); }

.detail-content h3 { font-size: 26px; font-weight: 800; color: var(--black-mid); margin-bottom: 14px; line-height: 1.3; }
.detail-content p  { color: var(--gray-500); font-size: 14.5px; line-height: 1.85; margin-bottom: 24px; }

.detail-points { display: flex; flex-direction: column; gap: 14px; }
.point { display: flex; align-items: flex-start; gap: 14px; }
.point-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-xs);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}
.pi-blue  { background: var(--blue-bg); color: var(--blue-primary); }
.pi-red   { background: var(--red-light); color: var(--red-accent); }
.pi-dark  { background: rgba(26,26,46,0.07); color: var(--black-mid); }
.point strong { display: block; font-size: 14px; color: var(--black-mid); margin-bottom: 2px; font-weight: 700; }
.point span   { font-size: 12.5px; color: var(--gray-500); line-height: 1.6; }

/* Context Menu Preview */
.context-menu-preview {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: inline-flex;
  flex-direction: column;
  min-width: 200px;
}
.cm-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--gray-700);
  cursor: pointer;
  transition: background 0.15s;
}
.cm-item:hover { background: var(--gray-50); }
.cm-item i { width: 14px; color: var(--gray-400); }
.cm-item.cm-default { font-weight: 600; color: var(--black-mid); }
.cm-item.cm-blue { color: var(--blue-primary); }
.cm-item.cm-blue i { color: var(--blue-primary); }
.cm-item.cm-red  { color: var(--red-accent); }
.cm-item.cm-red i { color: var(--red-accent); }
.cm-divider { height: 1px; background: var(--gray-200); margin: 2px 0; }

/* Prompt List Preview */
.prompt-list-preview {
  background: white;
  border: 1.5px solid var(--blue-bg2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.pl-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.15s;
  cursor: pointer;
}
.pl-item:last-child { border-bottom: none; }
.pl-item i { color: var(--blue-mid); width: 16px; text-align: center; }
.pl-item:hover { background: var(--blue-bg); color: var(--blue-primary); }
.pl-item.pl-active { background: var(--blue-bg); color: var(--blue-primary); font-weight: 700; }
.pl-item.pl-active i { color: var(--blue-primary); }

/* ===================================================
   SECTION 05: PROCESS
   =================================================== */
.section-process {
  background: white;
  position: relative;
  overflow: hidden;
}
.section-process::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(21,101,192,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.process-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 28px 16px 24px;
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  position: relative;
  transition: all 0.3s;
  overflow: hidden;
}
.process-step::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.ps-blue::before  { background: var(--grad-blue); }
.ps-red::before   { background: var(--grad-red); }
.ps-black::before { background: linear-gradient(135deg, var(--black-mid), #334155); }
.process-step:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--blue-mid); }

.process-connector {
  display: flex;
  align-items: center;
  padding: 0 10px;
  color: var(--gray-300);
  font-size: 16px;
  margin-top: 55px;
  flex-shrink: 0;
}

.ps-num { font-size: 42px; font-weight: 900; color: rgba(21,101,192,0.07); font-family: 'Inter', sans-serif; line-height: 1; margin-bottom: 10px; }
.ps-red   .ps-num { color: rgba(198,40,40,0.07); }
.ps-black .ps-num { color: rgba(26,26,46,0.07); }

.process-step .ps-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin: 0 auto 12px;
}
.ps-blue  .ps-icon { background: var(--blue-bg); color: var(--blue-primary); }
.ps-red   .ps-icon { background: var(--red-light); color: var(--red-accent); }
.ps-black .ps-icon { background: rgba(26,26,46,0.07); color: var(--black-mid); }

.process-step h4 { font-size: 14px; font-weight: 700; color: var(--black-mid); margin-bottom: 7px; }
.process-step p  { font-size: 12px; color: var(--gray-400); line-height: 1.6; margin-bottom: 12px; }
.ps-duration {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--gray-100); border: 1px solid var(--gray-200);
  color: var(--gray-500); font-size: 11px; font-weight: 600;
  padding: 4px 10px; border-radius: var(--radius-full);
}

/* ===================================================
   SECTION 06: SPEC TABLE (dark)
   =================================================== */
.spec-table-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--dark-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table thead tr th {
  background: var(--grad-blue);
  color: white;
  padding: 18px 24px;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
}
.spec-table thead tr th:not(:last-child) { border-right: 1px solid rgba(255,255,255,0.1); }
.spec-table thead tr th i { margin-right: 7px; }

.spec-table tbody tr td {
  padding: 14px 24px;
  border-bottom: 1px solid var(--dark-border);
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  background: var(--dark-card);
}
.spec-table tbody tr:hover td { background: rgba(21,101,192,0.06); color: rgba(255,255,255,0.88); }
.spec-table tbody tr td:not(:last-child) { border-right: 1px solid var(--dark-border); }

.spec-category td { background: rgba(21,101,192,0.1) !important; color: var(--blue-bright) !important; font-weight: 700; font-size: 12.5px; letter-spacing: 0.5px; }
.spec-category td i { margin-right: 8px; }
.spec-label { font-weight: 600; color: rgba(255,255,255,0.88) !important; }

.spec-badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 700; }
.sb-blue { background: rgba(21,101,192,0.22); color: var(--blue-bright); border: 1px solid rgba(21,101,192,0.3); }
.sb-red  { background: rgba(198,40,40,0.22); color: #EF9A9A; border: 1px solid rgba(198,40,40,0.3); }
.sb-dark { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.65); border: 1px solid rgba(255,255,255,0.1); }

/* ===================================================
   SECTION 07: PIPELINE
   =================================================== */
.section-pipeline {
  background: white;
  position: relative;
  overflow: hidden;
}
.section-pipeline::after {
  content: '';
  position: absolute;
  bottom: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(198,40,40,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.pipeline-intro {
  display: flex; gap: 24px; align-items: flex-start;
  background: linear-gradient(135deg, var(--blue-bg) 0%, #F0F8FF 100%);
  border-left: 5px solid var(--blue-primary);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 44px;
}
.pipeline-intro-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  background: var(--grad-blue);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 22px;
}
.pipeline-intro-text h3 { font-size: 19px; color: var(--black-mid); margin-bottom: 8px; }
.pipeline-intro-text p  { color: var(--gray-500); font-size: 14.5px; line-height: 1.8; }

.pipeline-steps { display: flex; align-items: flex-start; gap: 0; }
.pipeline-step {
  flex: 1;
  text-align: center;
  padding: 24px 14px;
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.pipeline-step::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.pip-blue::before  { background: var(--grad-blue); }
.pip-red::before   { background: var(--grad-red); }
.pip-black::before { background: linear-gradient(135deg, var(--black-mid), #334155); }
.pipeline-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-mid); }
.pip-red:hover   { border-color: var(--red-mid); }
.pip-black:hover { border-color: var(--black-soft); }

.pip-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  color: white; font-size: 12px; font-weight: 800;
  border-radius: 50%;
  margin-bottom: 10px;
}
.pip-blue  .pip-num { background: var(--blue-primary); }
.pip-red   .pip-num { background: var(--red-accent); }
.pip-black .pip-num { background: var(--black-mid); }

.pip-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-xs);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin: 0 auto 10px;
}
.pip-blue  .pip-icon { background: var(--blue-bg); color: var(--blue-primary); }
.pip-red   .pip-icon { background: var(--red-light); color: var(--red-accent); }
.pip-black .pip-icon { background: rgba(26,26,46,0.07); color: var(--black-mid); }

.pipeline-step h4 { font-size: 13px; font-weight: 700; color: var(--black-mid); margin-bottom: 7px; }
.pipeline-step p  { font-size: 11.5px; color: var(--gray-400); line-height: 1.6; margin-bottom: 10px; }
.pip-tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 4px; }
.pip-tags span { font-size: 10px; font-weight: 600; padding: 3px 7px; border-radius: 8px; }
.pip-blue  .pip-tags span { background: var(--blue-bg); color: var(--blue-deep); }
.pip-red   .pip-tags span { background: var(--red-light); color: var(--red-accent); }
.pip-black .pip-tags span { background: rgba(26,26,46,0.07); color: var(--black-mid); }

.pip-arrow { display: flex; align-items: center; padding: 0 8px; color: var(--gray-300); font-size: 13px; margin-top: 45px; flex-shrink: 0; }

/* ===================================================
   SECTION 08: EFFECT
   =================================================== */
.effect-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; margin-bottom: 60px; }

.effect-card {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.effect-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }
.ec-blue::before  { background: var(--grad-blue); }
.ec-red::before   { background: var(--grad-red); }
.ec-black::before { background: linear-gradient(135deg, var(--black-mid), #334155); }

.effect-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.effect-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin: 0 auto 14px;
}
.ec-blue  .effect-icon { background: var(--blue-bg); color: var(--blue-primary); }
.ec-red   .effect-icon { background: var(--red-light); color: var(--red-accent); }
.ec-black .effect-icon { background: rgba(26,26,46,0.07); color: var(--black-mid); }

.effect-stat {
  font-size: 40px; font-weight: 900;
  font-family: 'Inter', sans-serif;
  line-height: 1; margin-bottom: 10px;
}
.ec-blue  .effect-stat { background: var(--grad-blue); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ec-red   .effect-stat { background: var(--grad-red); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ec-black .effect-stat { background: linear-gradient(135deg, var(--black-mid), #334155); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.effect-card h4 { font-size: 14px; font-weight: 700; color: var(--black-mid); margin-bottom: 6px; }
.effect-card p  { font-size: 12.5px; color: var(--gray-400); line-height: 1.6; }

/* Before / After */
.before-after {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 24px;
  align-items: center;
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
}
.ba-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 2px solid;
}
.before .ba-label { color: var(--red-accent); border-color: var(--red-bg); }
.after  .ba-label { color: var(--blue-primary); border-color: var(--blue-bg2); }

.ba-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.ba-col ul li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--gray-700); }
.before ul li i { color: var(--red-accent); margin-top: 3px; flex-shrink: 0; }
.after  ul li i { color: var(--blue-primary); margin-top: 3px; flex-shrink: 0; }

.ba-arrow {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.ba-arrow-icon {
  width: 44px; height: 44px;
  background: var(--grad-blue);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  box-shadow: var(--shadow-blue);
}
.ba-arrow span {
  font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--gray-400); text-align: center; line-height: 1.4;
  writing-mode: horizontal-tb; white-space: nowrap;
}

/* ===================================================
   SECTION 09: PRICING
   =================================================== */
.section-pricing { background: white; }

.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-bottom: 40px; align-items: start; }
.pricing-card {
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all 0.3s;
}
.pricing-card:hover { border-color: var(--blue-mid); transform: translateY(-5px); box-shadow: var(--shadow-blue); }
.pricing-card.featured {
  border-color: var(--blue-primary);
  box-shadow: var(--shadow-blue);
  transform: scale(1.03);
  background: linear-gradient(180deg, #F8FCFF 0%, white 100%);
}
.pricing-card.featured:hover { transform: scale(1.03) translateY(-5px); }

.pricing-best {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--grad-blue);
  color: white; font-size: 11px; font-weight: 800;
  padding: 5px 18px; border-radius: var(--radius-full);
  white-space: nowrap; box-shadow: var(--shadow-blue);
}

.pricing-top { text-align: center; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--gray-200); }
.pricing-icon { width: 58px; height: 58px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 14px; }
.pi-blue { background: var(--blue-bg); color: var(--blue-primary); }
.pi-dark { background: rgba(26,26,46,0.07); color: var(--black-mid); }
.pricing-top h3 { font-size: 21px; color: var(--black-mid); margin-bottom: 5px; }
.pricing-top p  { font-size: 13px; color: var(--gray-400); }

.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--gray-700); }
.pricing-features li i { color: var(--blue-primary); flex-shrink: 0; margin-top: 2px; }
.pricing-features li.disabled { color: var(--gray-300); }
.pricing-features li.disabled i { color: var(--gray-300); }

.pricing-common {
  background: var(--gray-100); border: 1px solid var(--gray-200);
  border-radius: var(--radius-md); padding: 28px; text-align: center;
}
.pricing-common h4 {
  font-size: 15px; color: var(--black-mid); margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.pricing-common h4 i { color: var(--blue-primary); }
.pricing-common-grid { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.pricing-common-grid span {
  display: flex; align-items: center; gap: 6px;
  background: white; border: 1px solid var(--gray-200);
  padding: 7px 16px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 600; color: var(--gray-700);
}
.pricing-common-grid span i { color: var(--blue-primary); }

/* ===================================================
   SECTION 10: CLIENTS (dark)
   =================================================== */
.clients-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 18px; margin-bottom: 48px; }
.client-item { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.client-logo {
  width: 100%; height: 76px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  padding: 10px; transition: all 0.3s;
}
.client-logo:hover { border-color: rgba(21,101,192,0.4); background: rgba(21,101,192,0.06); }
.client-logo img { max-width: 100%; max-height: 100%; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.5; }
.client-placeholder { color: rgba(255,255,255,0.18); font-size: 26px; }
.client-item span { font-size: 11px; color: rgba(255,255,255,0.35); }

.reference-box {
  display: flex; gap: 28px; align-items: flex-start;
  background: var(--dark-card);
  border: 1px solid var(--dark-border2);
  border-left: 4px solid var(--blue-primary);
  border-radius: var(--radius-md);
  padding: 36px;
}
.ref-quote-icon { color: var(--blue-primary); font-size: 28px; flex-shrink: 0; opacity: 0.5; margin-top: 4px; }
.ref-content p { color: rgba(255,255,255,0.75); font-size: 16px; line-height: 1.85; font-style: italic; margin-bottom: 14px; }
.ref-author strong { display: block; color: white; font-size: 14px; margin-bottom: 3px; }
.ref-author span   { color: rgba(255,255,255,0.35); font-size: 13px; }

/* ===================================================
   SECTION 11: CONTACT
   =================================================== */
.section-contact {
  background: linear-gradient(135deg, #F8FAFF 0%, #EEF5FF 100%);
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(21,101,192,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }

.contact-logo { margin-bottom: 20px; }
.contact-logo img { height: 36px; }

.contact-info h3 { font-size: 24px; font-weight: 800; color: var(--black-mid); margin-bottom: 12px; }
.contact-info > p { color: var(--gray-500); font-size: 15px; line-height: 1.85; margin-bottom: 28px; }

.contact-points { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.cp-item { display: flex; align-items: center; gap: 14px; }
.cp-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.cpi-blue { background: var(--blue-bg); color: var(--blue-primary); }
.cp-item strong { display: block; font-size: 12px; font-weight: 700; color: var(--gray-500); margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.5px; }
.cp-item span   { font-size: 14px; color: var(--blue-primary); font-weight: 600; }

.contact-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.contact-badges span {
  display: flex; align-items: center; gap: 6px;
  background: var(--blue-bg); border: 1px solid rgba(21,101,192,0.18);
  color: var(--blue-deep); padding: 6px 14px;
  border-radius: var(--radius-full); font-size: 12px; font-weight: 600;
}
.contact-badges span i { color: var(--blue-primary); }

/* Form */
.contact-form-wrap {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12.5px; font-weight: 700; color: var(--black-mid); margin-bottom: 7px; letter-spacing: 0.3px; }
.required { color: var(--red-accent); }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--black-mid);
  background: var(--gray-50);
  outline: none;
  resize: vertical;
  transition: all 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--blue-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(21,101,192,0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray-300); }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.checkbox-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-700); cursor: pointer; }
.checkbox-item input { width: auto; accent-color: var(--blue-primary); }

/* ===================================================
   SCROLL ANIMATION
   =================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 1100px) {
  .container { padding: 0 24px; }
  .hero > .container { grid-template-columns: 1fr; }
  .hero-screenshot { display: none; }
  .hero-inner { max-width: 680px; }
}
@media (max-width: 900px) {
  .hero-title { font-size: 34px; }
  .section { padding: 72px 0; }
  .section-title { font-size: 28px; }
  .value-cards { grid-template-columns: repeat(2,1fr); }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .compare-wrap { flex-direction: column; }
  .compare-vs { display: none; }
  .detail-row, .detail-row.reverse { grid-template-columns: 1fr; direction: ltr; gap: 32px; }
  .effect-grid { grid-template-columns: repeat(2,1fr); }
  .before-after { grid-template-columns: 1fr; }
  .ba-arrow { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: scale(1); }
  .clients-grid { grid-template-columns: repeat(3,1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .process-flow { flex-direction: column; }
  .process-connector { display: none; }
  .pipeline-steps { flex-direction: column; }
  .pip-arrow { display: none; }
  .top-nav .nav-links { display: none; }
}
@media (max-width: 600px) {
  .value-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .effect-grid { grid-template-columns: repeat(2,1fr); }
  .clients-grid { grid-template-columns: repeat(2,1fr); }
  .form-row { grid-template-columns: 1fr; }
  .arch-layer { flex-wrap: wrap; }
  .dual-screenshot { grid-template-columns: 1fr; }
}

/* ===================================================
   arch-public-icon (Public LLM 이모지 아이콘)
   =================================================== */
.arch-public-icon {
  font-size: 22px;
  line-height: 1;
  display: block;
}

/* ===================================================
   HERO COMPACT (새 히어로 섹션)
   =================================================== */
.hero-compact {
  min-height: unset !important;
  padding: 28px 0 32px;
}
.hero-compact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}
.hero-left { display: flex; flex-direction: column; gap: 16px; }
.hero-logo-wrap { display: inline-block; }
.hero-logo-img { height: 44px; filter: brightness(0) invert(1); }
.hero-title-compact {
  font-size: 28px;
  font-weight: 800;
  color: white;
  line-height: 1.35;
  letter-spacing: -0.5px;
}
.hero-desc-compact {
  color: rgba(255,255,255,0.6);
  font-size: 13.5px;
  line-height: 1.7;
}
.hero-tags-compact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.htag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 700;
  border: 1.5px solid;
}
.htag-slm  { background: rgba(21,101,192,0.18); border-color: rgba(21,101,192,0.5); color: #64B5F6; }
.htag-net  { background: rgba(198,40,40,0.15);  border-color: rgba(198,40,40,0.4);  color: #EF9A9A; }
.htag-sec  { background: rgba(21,101,192,0.18); border-color: rgba(21,101,192,0.5); color: #64B5F6; }
.htag-pipe { background: rgba(0,0,0,0.25);      border-color: rgba(255,255,255,0.15); color: rgba(255,255,255,0.65); }

/* 오른쪽 스크린샷 프레임 */
.screenshot-frame-compact {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(21,101,192,0.2);
}
.screenshot-frame-compact .sf-bar {
  background: rgba(255,255,255,0.06);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.screenshot-frame-compact .sf-dots { display: flex; gap: 5px; }
.screenshot-frame-compact .sf-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
}
.screenshot-frame-compact .sf-title {
  font-size: 12px; color: rgba(255,255,255,0.35); font-weight: 500;
}
.screenshot-frame-compact .sf-body img {
  width: 100%; display: block; aspect-ratio: 16/10; object-fit: cover; object-position: top;
}

/* ===================================================
   OVERVIEW HIGHLIGHT NEW (리디자인 박스)
   =================================================== */
.overview-highlight-new {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  background: linear-gradient(135deg, #EEF5FF 0%, #FFFFFF 60%, #FFF5F5 100%);
  border: 1.5px solid #BBDEFB;
  border-left: 5px solid var(--blue-primary);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 52px;
  box-shadow: 0 6px 32px rgba(21,101,192,0.09);
  position: relative;
  overflow: hidden;
}
.overview-highlight-new::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(21,101,192,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.ohn-left { flex-shrink: 0; padding-top: 4px; }
.ohn-icon-wrap {
  width: 62px; height: 62px;
  background: var(--grad-blue);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; color: white;
  box-shadow: var(--shadow-blue);
}
.ohn-right { flex: 1; }
.ohn-badge {
  display: inline-block;
  background: var(--blue-bg);
  color: var(--blue-primary);
  font-size: 11px; font-weight: 800;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  border: 1px solid var(--blue-bg2);
}
.ohn-title {
  font-size: 22px; font-weight: 800;
  color: var(--black-mid);
  line-height: 1.45;
  margin-bottom: 14px;
}
.ohn-title span {
  color: var(--blue-primary);
  position: relative;
}
.ohn-desc {
  font-size: 14.5px;
  color: var(--gray-500);
  line-height: 1.85;
  margin-bottom: 20px;
}
.ohn-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ohn-pills span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: white;
  border: 1.5px solid var(--blue-bg2);
  color: var(--blue-primary);
  font-size: 12.5px; font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(21,101,192,0.08);
}
.ohn-pills span i { color: var(--blue-primary); }

/* ===================================================
   VALUE CARDS 번호 도형 (새 디자인)
   =================================================== */
.value-num {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900;
  margin-bottom: 14px;
  position: relative;
}
/* 1번: 블루 그라데이션 */
.vn-1 {
  background: var(--grad-blue);
  color: white;
  box-shadow: 0 4px 14px rgba(21,101,192,0.4);
}
/* 2번: 레드 그라데이션 */
.vn-2 {
  background: var(--grad-red);
  color: white;
  box-shadow: 0 4px 14px rgba(198,40,40,0.35);
}
/* 3번: 다크+블루 */
.vn-3 {
  background: linear-gradient(135deg, #1A1A2E 0%, #1565C0 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}
/* 4번: 블루+레드 */
.vn-4 {
  background: linear-gradient(135deg, #1565C0 0%, #C62828 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(21,101,192,0.3);
}

/* value-card 클래스 확장 */
.vc-1, .vc-2, .vc-3, .vc-4 { border-top: 3px solid transparent; }
.vc-1 { border-top-color: var(--blue-primary); }
.vc-2 { border-top-color: var(--red-accent); }
.vc-3 { border-top-color: var(--black-mid); }
.vc-4 { border-top-color: transparent;
  border-image: linear-gradient(135deg, var(--blue-primary), var(--red-accent)) 1; }

/* ===================================================
   CLIENTS NEW (도입 고객사 카드형)
   =================================================== */
.clients-grid-new {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.client-card-new {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--dark-card);
  border: 1px solid var(--dark-border2);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: all 0.3s;
}
.client-card-new:hover {
  border-color: var(--blue-primary);
  box-shadow: 0 8px 32px rgba(21,101,192,0.2);
  transform: translateY(-3px);
}
.client-logo-new {
  width: 80px; height: 80px;
  flex-shrink: 0;
  background: white;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 8px;
}
.client-logo-new img { width: 100%; height: 100%; object-fit: contain; }
.client-logo-icon {
  background: var(--grad-blue) !important;
  color: white;
  font-size: 30px;
}
.client-info-new { flex: 1; }
.client-name-new {
  font-size: 18px; font-weight: 800;
  color: white; margin-bottom: 6px;
}
.client-industry-new {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(21,101,192,0.15);
  border: 1px solid rgba(21,101,192,0.3);
  color: var(--blue-bright);
  font-size: 12px; font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}
.client-case-new {
  display: flex; align-items: flex-start; gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 13.5px;
  line-height: 1.65;
  margin-bottom: 14px;
}
.client-case-new i { color: var(--blue-bright); flex-shrink: 0; margin-top: 2px; }
.client-tags-new {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.client-tags-new span {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.5);
  font-size: 11.5px; font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

@media (max-width: 900px) {
  .hero-compact-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .overview-highlight-new { flex-direction: column; gap: 16px; padding: 24px; }
  .clients-grid-new { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .client-card-new { flex-direction: column; }
  .hero-title-compact { font-size: 22px; }
  .ohn-title { font-size: 18px; }
}