:root {
  --font-sans: 'Inter', 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
  --primary-color: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --primary-hover-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
  --secondary-color: #0ea5e9;
  --secondary-gradient: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  --accent-color: #10b981;
  --accent-gradient: linear-gradient(135deg, #34d399 0%, #059669 100%);
  --warning-color: #f59e0b;
  
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(203, 213, 225, 0.72);
  --card-shadow: 0 18px 42px -26px rgba(15, 23, 42, 0.34), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  --hover-shadow: 0 24px 54px -28px rgba(79, 70, 229, 0.34), 0 14px 28px -24px rgba(14, 165, 233, 0.34);
  --border-radius: 8px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-dark);
  background: #f8fafc;
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, textarea {
  font-family: inherit;
}

.page-backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(180deg, #f8fbff 0%, #edf7f9 38%, #f8fafc 72%, #ffffff 100%),
    linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(14, 165, 233, 0.06) 48%, rgba(16, 185, 129, 0.05));
}

.page-backdrop::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.78) 32%, transparent 78%);
  opacity: 0.52;
}

/* Layout Utilities - 좌우로 확실하게 여백을 형성하여 꽉 찬 느낌을 해소 */
.container {
  width: min(100% - 200px, var(--max));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 28px 0;
  transition: all 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  padding: 18px 0;
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.05);
}

.header-inner {
  width: min(100% - 160px, var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-dark);
}

.brand-logo-wrapper {
  background: #ffffff;
  border-radius: 8px;
  padding: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav a {
  padding: 10px 20px;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.site-nav a:hover {
  color: var(--primary-color);
  background: rgba(79, 70, 229, 0.05);
}

.site-nav a.nav-cta {
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.15);
}

.site-nav a.nav-cta:hover {
  background: var(--primary-hover-gradient);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.2);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: #ffffff;
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  margin: 5px 0;
  transition: all 0.2s ease;
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.theme-link {
  min-width: 56px;
  padding: 8px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
}

.theme-link:hover {
  color: var(--primary-color);
  background: rgba(79, 70, 229, 0.06);
}

.theme-link.is-active {
  color: #ffffff;
  background: var(--primary-gradient);
  box-shadow: 0 6px 14px rgba(79, 70, 229, 0.18);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
  background: var(--primary-hover-gradient);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-dark);
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: var(--card-shadow);
}

.btn-secondary:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.08);
}

.btn-white {
  background: #ffffff;
  color: var(--primary-color);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.btn-block {
  width: 100%;
}

/* Badge & Headings */
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 16px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary-color);
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
  margin-bottom: 28px;
  border: 1px solid rgba(14, 165, 233, 0.16);
}

.kicker {
  display: block;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--secondary-color);
  margin-bottom: 16px;
}

.gradient-text {
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  max-width: 720px;
  margin-bottom: 70px;
}

.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header h2 {
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-muted);
}

/* Hero Section */
.hero {
  padding: 154px 0 116px;
  min-height: 760px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62) 0%, rgba(248, 250, 252, 0) 72%),
    linear-gradient(118deg, rgba(79, 70, 229, 0.06) 0%, rgba(14, 165, 233, 0.05) 48%, rgba(16, 185, 129, 0.07) 100%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.hero-container {
  width: min(100% - 160px, 1240px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(560px, 1.25fr);
  gap: 58px;
  align-items: center;
}

.hero-text h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0;
  color: var(--text-dark);
  margin-bottom: 28px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero-copy {
  max-width: 620px;
  font-size: 19px;
  color: var(--text-muted);
  margin-bottom: 34px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
  max-width: 650px;
}

.hero-metric {
  min-height: 148px;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(248, 250, 252, 0.78)),
    radial-gradient(circle at 18% 0%, rgba(14, 165, 233, 0.12), transparent 46%);
  box-shadow: 0 16px 36px -30px rgba(15, 23, 42, 0.45);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
  position: relative;
}

.hero-metric::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), transparent 44%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.hero-metric:hover {
  transform: translateY(-3px);
  border-color: rgba(79, 70, 229, 0.18);
  box-shadow: 0 22px 44px -30px rgba(79, 70, 229, 0.42);
}

.hero-metric:hover::before {
  opacity: 1;
}

.hero-metric-visual {
  min-height: 38px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.hero-metric strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.2;
  color: var(--text-dark);
  position: relative;
  z-index: 1;
  word-break: keep-all;
}

.hero-metric-copy {
  display: block;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.workflow-visual {
  display: flex;
  align-items: center;
}

.workflow-visual span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.18);
  color: #0369a1;
  font-size: 10px;
  font-weight: 800;
}

.workflow-visual i {
  display: block;
  flex: 1;
  height: 1px;
  min-width: 7px;
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.46), rgba(99, 102, 241, 0.28));
}

.document-visual {
  display: grid;
  grid-template-columns: 32px 1fr;
  grid-template-rows: 20px 20px;
  column-gap: 10px;
  align-items: center;
}

.document-sheet {
  grid-row: 1 / 3;
  grid-column: 1;
  width: 28px;
  height: 38px;
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(99, 102, 241, 0.22) 0 6px, transparent 6px),
    linear-gradient(180deg, #eff6ff, #bfdbfe);
  box-shadow: 6px 6px 0 rgba(59, 130, 246, 0.18);
}

.document-sheet + .document-sheet {
  transform: translate(6px, 6px);
  opacity: 0.68;
}

.format-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  min-height: 20px;
  padding: 0 8px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.16);
  color: #3730a3;
  font-size: 10px;
  font-weight: 800;
}

.flir-visual {
  width: 74px;
}

.camera-body {
  width: 52px;
  height: 32px;
  border-radius: 7px;
  background: linear-gradient(135deg, #dbeafe, #94a3b8);
  box-shadow: 14px 7px 0 rgba(14, 165, 233, 0.14);
}

.camera-lens {
  position: absolute;
  left: 17px;
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, #0f172a 0 36%, #64748b 38% 62%, #dbeafe 64%);
}

.thermal-bar {
  position: absolute;
  left: 61px;
  top: 3px;
  width: 9px;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(180deg, #f97316, #facc15 35%, #22d3ee 68%, #4f46e5);
}

.hero-visual {
  position: relative;
}

.hero-visual-frame {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.72)),
    linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(16, 185, 129, 0.1));
  box-shadow: 0 42px 90px -50px rgba(15, 23, 42, 0.56);
}

.hero-visual-frame::before {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  pointer-events: none;
}

.hero-window {
  position: relative;
  z-index: 1;
}

.hero-img {
  object-position: left top;
}

.hero-visual-actions {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}

.hero-visual-actions .btn {
  min-width: 190px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.hero-chip {
  position: absolute;
  z-index: 2;
  min-width: 172px;
  padding: 13px 15px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 34px -22px rgba(15, 23, 42, 0.48);
}

.hero-chip-top {
  top: 42px;
  right: -18px;
}

.hero-chip-bottom {
  left: -16px;
  bottom: 54px;
}

.chip-label {
  display: block;
  color: var(--secondary-color);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.hero-chip strong {
  display: block;
  margin-top: 4px;
  color: var(--text-dark);
  font-size: 15px;
  line-height: 1.35;
}

/* Window Mockup */
.window-mockup {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 35px 70px -15px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(15, 23, 42, 0.04);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.window-header {
  background: #f8fafc;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
}

.window-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.window-header .dot.red { background: #ff5f56; }
.window-header .dot.yellow { background: #ffbd2e; }
.window-header .dot.green { background: #27c93f; }

.window-header .window-title {
  margin-left: auto;
  margin-right: auto;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  padding-right: 34px;
}

.window-body img {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Intro Value Section */
.intro-value {
  padding: 80px 0;
}

.intro-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 70px 60px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 100px;
  align-items: center;
  box-shadow: var(--card-shadow);
}

.intro-content .kicker {
  color: var(--primary-color);
}

.intro-content h2 {
  font-size: clamp(26px, 3.8vw, 36px);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 20px;
  line-height: 1.35;
}

.intro-content p {
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.75;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-num {
  font-size: clamp(42px, 5.5vw, 56px);
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}

.stat-desc {
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Features Section */
.features-section {
  padding: 150px 0;
}

/* 기능 섹션 제목은 데스크톱에서 한 줄로 보이도록 폭을 확보합니다. */
.features-section .section-header {
  max-width: 1040px;
}

.features-section .section-header h2 {
  white-space: nowrap;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.05);
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--hover-shadow);
  border-color: rgba(79, 70, 229, 0.1);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.06);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  border: 1px solid rgba(79, 70, 229, 0.1);
}

.feature-card h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Workflow Section */
.workflow-section {
  padding: 150px 0;
  background: #f1f5f9;
  border-top: 1px solid rgba(15, 23, 42, 0.04);
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

.workflow-container {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  position: relative;
}

.workflow-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 36px;
  border: 1px solid rgba(15, 23, 42, 0.04);
  box-shadow: var(--card-shadow);
  position: relative;
  transition: all 0.3s ease;
}

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

.workflow-num {
  position: absolute;
  top: 28px;
  right: 28px;
  font-size: 44px;
  font-weight: 900;
  color: rgba(79, 70, 229, 0.08);
  line-height: 1;
}

.workflow-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
  margin-top: 24px;
}

.workflow-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Screens Section */
.screens-section {
  padding: 150px 0;
}

.screens-section .section-header {
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 60px;
}

.screens-section .header-left {
  width: 100%;
}

.screens-section .header-left h2 {
  white-space: nowrap;
}

.screens-section .header-desc {
  max-width: none;
  margin-bottom: 12px;
  white-space: nowrap;
}

.screen-viewer-container {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  align-items: start;
}

.main-viewer {
  box-shadow: 0 40px 80px -20px rgba(15, 23, 42, 0.16);
}

.main-viewer .image-wrapper {
  aspect-ratio: 16/9;
  background: #f1f5f9;
  overflow: hidden;
}

.main-viewer .image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
}

.screen-selector {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.screen-thumb {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: left;
  width: 100%;
}

.screen-thumb:hover {
  border-color: rgba(79, 70, 229, 0.3);
  background: rgba(79, 70, 229, 0.01);
}

.screen-thumb[aria-pressed="true"] {
  border-color: var(--primary-color);
  background: rgba(79, 70, 229, 0.04);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.05);
}

.screen-thumb img {
  width: 96px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
}

.screen-thumb span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.35;
}

.screen-thumb[aria-pressed="true"] span {
  color: var(--primary-color);
}

/* Benefit Section */
.benefit-section {
  padding: 80px 0;
}

.benefit-banner {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  border-radius: 28px;
  padding: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(30, 27, 75, 0.15);
}

.benefit-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: #4f46e5;
  filter: blur(100px);
  opacity: 0.4;
}

.benefit-text {
  max-width: 660px;
  position: relative;
  z-index: 1;
}

.benefit-text h2 {
  font-size: clamp(26px, 3.8vw, 36px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.35;
}

.benefit-text p {
  color: #c7d2fe;
  font-size: 17px;
  line-height: 1.7;
}

.benefit-actions {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* Contact Section */
.contact-section {
  padding: 150px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 120px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(32px, 4.8vw, 48px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.contact-info p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 50px;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 24px;
}

.meta-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(79, 70, 229, 0.1);
}

.meta-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 6px;
}

.meta-val {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  transition: color 0.2s ease;
}

.meta-val:hover {
  color: var(--primary-color);
}

.contact-form-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 50px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 25px 50px -10px rgba(15, 23, 42, 0.05);
}

.contact-form-card h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.contact-form-card p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #f8fafc;
  color: var(--text-dark);
  font-size: 14px;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Footer */
.site-footer {
  background: #f1f5f9;
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  padding: 60px 0;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-left .brand {
  font-size: 20px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-light);
}

.copyright {
  font-size: 14px;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .container {
    width: min(100% - 100px, var(--max));
  }
  .header-inner,
  .hero-container {
    width: min(100% - 100px, var(--max));
  }
  .hero {
    padding: 140px 0 100px;
  }
  .hero-container {
    grid-template-columns: 1fr;
    gap: 60px;
    text-align: center;
  }
  .hero-copy,
  .hero-metrics {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-text h1 {
    max-width: 600px;
    font-size: 48px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual-frame {
    max-width: 860px;
    margin: 0 auto;
  }
  
  .intro-card {
    grid-template-columns: 1fr;
    gap: 60px;
    padding: 50px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .features-section .section-header h2 {
    white-space: normal;
  }
  
  .workflow-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .screen-viewer-container {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .screen-selector {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }

  .screens-section .header-left h2 {
    white-space: normal;
  }

  .screens-section .header-desc {
    white-space: normal;
  }
  .screen-thumb {
    width: calc(50% - 6px);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 80px;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 60px, var(--max));
  }
  .header-inner,
  .hero-container {
    width: min(100% - 60px, var(--max));
  }

  .site-header {
    padding: 20px 0;
  }

  .header-inner {
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .brand {
    order: 1;
  }
  
  .nav-toggle {
    display: block;
    order: 2;
    margin-left: auto;
  }

  .theme-switcher {
    order: 3;
    width: 100%;
    margin-left: 0;
    justify-content: center;
  }

  .theme-link {
    min-width: 52px;
    padding: 8px 10px;
    font-size: 12px;
  }
  
  .site-nav {
    position: absolute;
    top: calc(100% - 10px);
    left: 20px;
    right: 20px;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .site-nav a {
    text-align: center;
    padding: 14px;
  }
  
  .site-nav a.nav-cta {
    margin-top: 10px;
  }
  .hero {
    min-height: auto;
    padding: 168px 0 76px;
  }
  .hero-text h1 {
    font-size: 40px;
  }
  .hero-copy {
    font-size: 17px;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
  .hero-metric {
    min-height: 0;
  }
  .hero-visual-frame {
    padding: 10px;
  }

  .hero-visual-actions {
    margin-top: 20px;
  }

  .hero-visual-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-visual-frame::before {
    inset: 10px;
  }
  .hero-chip {
    position: static;
    min-width: 0;
    margin-bottom: 10px;
    text-align: left;
  }
  .hero-chip-bottom {
    margin-top: 10px;
    margin-bottom: 0;
  }
  
  .benefit-banner {
    flex-direction: column;
    text-align: center;
    padding: 60px 40px;
    gap: 40px;
  }
  .benefit-actions {
    width: 100%;
  }
  .benefit-actions .btn {
    width: 100%;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }
  .footer-left {
    align-items: center;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 40px, var(--max));
  }
  .header-inner,
  .hero-container {
    width: min(100% - 40px, var(--max));
  }
  .brand {
    gap: 10px;
    font-size: 19px;
  }
  .hero-text h1 {
    font-size: 34px;
  }
  .hero-copy {
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-metrics {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .workflow-container {
    grid-template-columns: 1fr;
  }
  .screen-thumb {
    width: 100%;
  }
}

/* Single-folder dark theme. The light theme remains the default. */
html[data-theme="dark"] {
  --primary-color: #7dd3fc;
  --primary-gradient: linear-gradient(135deg, #2dd4bf 0%, #6366f1 100%);
  --primary-hover-gradient: linear-gradient(135deg, #22d3ee 0%, #4f46e5 100%);
  --secondary-color: #38bdf8;
  --accent-color: #34d399;
  --text-dark: #f8fafc;
  --text-muted: #cbd5e1;
  --text-light: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.72);
  --glass-border: rgba(148, 163, 184, 0.22);
  --card-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.82), 0 1px 0 rgba(255, 255, 255, 0.06) inset;
  --hover-shadow: 0 28px 70px -36px rgba(45, 212, 191, 0.48), 0 18px 32px -26px rgba(99, 102, 241, 0.52);
}

html[data-theme="dark"] body {
  color: var(--text-dark);
  background: #0b1020;
}

html[data-theme="dark"] .page-backdrop {
  background:
    radial-gradient(900px 580px at 76% 20%, rgba(45, 212, 191, 0.16), transparent 64%),
    radial-gradient(760px 520px at 12% 34%, rgba(99, 102, 241, 0.2), transparent 68%),
    linear-gradient(180deg, #070b16 0%, #0f172a 42%, #111827 100%);
}

html[data-theme="dark"] .page-backdrop::before {
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  opacity: 0.5;
}

html[data-theme="dark"] .site-header.is-scrolled {
  background: rgba(8, 13, 26, 0.86);
  border-bottom-color: rgba(148, 163, 184, 0.14);
  box-shadow: 0 18px 36px -24px rgba(0, 0, 0, 0.9);
}

html[data-theme="dark"] .brand-logo-wrapper,
html[data-theme="dark"] .window-mockup,
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .workflow-card,
html[data-theme="dark"] .screen-thumb,
html[data-theme="dark"] .contact-form-card {
  background: rgba(15, 23, 42, 0.86);
  border-color: rgba(148, 163, 184, 0.18);
}

html[data-theme="dark"] .brand-logo-wrapper {
  box-shadow: 0 12px 26px -18px rgba(45, 212, 191, 0.5);
}

html[data-theme="dark"] .site-nav a {
  color: #cbd5e1;
}

html[data-theme="dark"] .site-nav a:hover {
  color: #ffffff;
  background: rgba(45, 212, 191, 0.1);
}

html[data-theme="dark"] .badge {
  background: rgba(45, 212, 191, 0.12);
  color: #67e8f9;
  border-color: rgba(45, 212, 191, 0.28);
}

html[data-theme="dark"] .gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #22d3ee 52%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

html[data-theme="dark"] .hero {
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.45) 0%, rgba(15, 23, 42, 0.04) 72%),
    linear-gradient(118deg, rgba(99, 102, 241, 0.14) 0%, rgba(14, 165, 233, 0.11) 48%, rgba(16, 185, 129, 0.12) 100%);
  border-bottom-color: rgba(148, 163, 184, 0.14);
}

html[data-theme="dark"] .hero-metric {
  background:
    linear-gradient(180deg, rgba(30, 41, 59, 0.92), rgba(15, 23, 42, 0.94)),
    radial-gradient(circle at 18% 0%, rgba(45, 212, 191, 0.12), transparent 46%);
  border-color: rgba(148, 163, 184, 0.2);
  box-shadow: 0 20px 42px -30px rgba(0, 0, 0, 0.86);
}

html[data-theme="dark"] .hero-metric strong {
  color: #f8fafc;
}

html[data-theme="dark"] .hero-metric-copy {
  color: #cbd5e1;
}

html[data-theme="dark"] .workflow-visual span {
  background: rgba(45, 212, 191, 0.12);
  border-color: rgba(45, 212, 191, 0.24);
  color: #a7f3d0;
}

html[data-theme="dark"] .format-pill {
  background: rgba(99, 102, 241, 0.18);
  border-color: rgba(165, 180, 252, 0.28);
  color: #dbeafe;
}

html[data-theme="dark"] .hero-copy,
html[data-theme="dark"] .section-header p,
html[data-theme="dark"] .intro-content p,
html[data-theme="dark"] .feature-card p,
html[data-theme="dark"] .workflow-card p,
html[data-theme="dark"] .header-desc,
html[data-theme="dark"] .contact-info p,
html[data-theme="dark"] .contact-form-card p,
html[data-theme="dark"] .footer-desc,
html[data-theme="dark"] .copyright {
  color: var(--text-muted);
}

html[data-theme="dark"] .hero-chip,
html[data-theme="dark"] .intro-card {
  background: rgba(15, 23, 42, 0.72);
  border-color: rgba(148, 163, 184, 0.2);
  box-shadow: var(--card-shadow);
}

html[data-theme="dark"] .hero-visual-frame {
  background:
    linear-gradient(180deg, rgba(30, 41, 59, 0.88), rgba(15, 23, 42, 0.82)),
    linear-gradient(135deg, rgba(45, 212, 191, 0.18), rgba(99, 102, 241, 0.18));
  border-color: rgba(148, 163, 184, 0.2);
  box-shadow: 0 46px 100px -52px rgba(0, 0, 0, 0.95);
}

html[data-theme="dark"] .window-header {
  background: rgba(2, 6, 23, 0.78);
  border-bottom-color: rgba(148, 163, 184, 0.14);
}

html[data-theme="dark"] .window-header .window-title,
html[data-theme="dark"] .stat-desc,
html[data-theme="dark"] .meta-label {
  color: #a7b6cc;
}

html[data-theme="dark"] .btn-secondary {
  background: rgba(15, 23, 42, 0.78);
  color: #f8fafc;
  border-color: rgba(148, 163, 184, 0.22);
}

html[data-theme="dark"] .btn-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
}

html[data-theme="dark"] .hero-visual-actions .btn {
  background: rgba(15, 23, 42, 0.82);
}

html[data-theme="dark"] .features-section,
html[data-theme="dark"] .screens-section,
html[data-theme="dark"] .contact-section {
  background: transparent;
}

html[data-theme="dark"] .workflow-section,
html[data-theme="dark"] .site-footer {
  background: rgba(2, 6, 23, 0.42);
  border-color: rgba(148, 163, 184, 0.12);
}

html[data-theme="dark"] .screen-thumb:hover,
html[data-theme="dark"] .screen-thumb[aria-pressed="true"] {
  background: rgba(45, 212, 191, 0.08);
  border-color: rgba(45, 212, 191, 0.34);
}

html[data-theme="dark"] .main-viewer .image-wrapper {
  background: #111827;
}

html[data-theme="dark"] .benefit-banner {
  background: linear-gradient(135deg, #0f766e 0%, #3730a3 100%);
  box-shadow: 0 30px 70px -42px rgba(45, 212, 191, 0.7);
}

html[data-theme="dark"] .benefit-text p {
  color: #dbeafe;
}

html[data-theme="dark"] .meta-icon {
  background: rgba(45, 212, 191, 0.12);
  color: #67e8f9;
  border-color: rgba(45, 212, 191, 0.24);
}

html[data-theme="dark"] .form-group input,
html[data-theme="dark"] .form-group textarea {
  background: rgba(2, 6, 23, 0.58);
  color: #f8fafc;
  border-color: rgba(148, 163, 184, 0.24);
}

html[data-theme="dark"] .form-group input:focus,
html[data-theme="dark"] .form-group textarea:focus {
  background: rgba(15, 23, 42, 0.92);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.14);
}

html[data-theme="dark"] .nav-toggle {
  background: rgba(15, 23, 42, 0.9);
  border-color: rgba(148, 163, 184, 0.22);
}

html[data-theme="dark"] .nav-toggle span {
  background: #f8fafc;
}

html[data-theme="dark"] .theme-switcher {
  border-color: rgba(148, 163, 184, 0.20);
  background: rgba(15, 23, 42, 0.72);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

html[data-theme="dark"] .theme-link {
  color: #cbd5e1;
}

html[data-theme="dark"] .theme-link:hover {
  color: #ffffff;
  background: rgba(45, 212, 191, 0.10);
}

html[data-theme="dark"] .theme-link.is-active {
  color: #08111f;
  background: linear-gradient(135deg, #67e8f9 0%, #2dd4bf 100%);
  box-shadow: 0 6px 14px rgba(45, 212, 191, 0.22);
}

@media (max-width: 768px) {
  html[data-theme="dark"] .site-nav {
    background: rgba(8, 13, 26, 0.96);
    border-color: rgba(148, 163, 184, 0.2);
  }
}