/* ===================================
   시선디자인 - Main Stylesheet
   =================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Variables --- */
:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1E40AF;
  --color-primary-light: #3B82F6;
  --color-secondary: #0EA5E9;
  --color-accent: #38BDF8;
  --color-slate-900: #0F172A;
  --color-slate-800: #1E293B;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748B;
  --color-slate-400: #94A3B8;
  --color-slate-300: #CBD5E1;
  --color-slate-200: #E2E8F0;
  --color-slate-100: #F1F5F9;
  --color-slate-50: #F8FAFC;
  --color-white: #FFFFFF;
  
  --gradient-primary: linear-gradient(135deg, #2563EB 0%, #0EA5E9 100%);
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
  --gradient-subtle: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 50%, #F0F9FF 100%);
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15), 0 8px 24px rgba(0,0,0,0.10);
  --shadow-blue: 0 10px 40px rgba(37, 99, 235, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-slate-800);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

button {
  cursor: pointer;
  font-family: var(--font-family);
  border: none;
  background: none;
}

/* --- Utility Classes --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge-primary {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-white {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
}

/* ===================================
   NAVIGATION
   =================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 30px rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo img {
  height: 44px;
  width: auto;
  transition: var(--transition-base);
  filter: brightness(0) invert(1);
}

#navbar.scrolled .nav-logo img {
  filter: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: all var(--transition-fast);
  position: relative;
}

#navbar.scrolled .nav-link {
  color: var(--color-slate-700);
}

.nav-link:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}

#navbar.scrolled .nav-link:hover {
  background: var(--color-slate-100);
  color: var(--color-primary);
}

.nav-cta {
  padding: 9px 22px;
  background: var(--gradient-primary);
  color: var(--color-white) !important;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-blue);
  transition: all var(--transition-base);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  background: rgba(0,0,0,0) !important;
  background: var(--gradient-primary) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

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

#navbar.scrolled .hamburger span {
  background: var(--color-slate-800);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--color-slate-200);
  z-index: 999;
  transform: translateY(-20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.mobile-nav.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav a {
  display: block;
  padding: 14px 16px;
  color: var(--color-slate-700);
  font-weight: 500;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  border-bottom: 1px solid var(--color-slate-100);
}

.mobile-nav a:last-child {
  border-bottom: none;
  margin-top: 8px;
  background: var(--gradient-primary);
  color: var(--color-white);
  text-align: center;
  font-weight: 700;
}

.mobile-nav a:hover {
  background: var(--color-slate-100);
  color: var(--color-primary);
}

.mobile-nav a:last-child:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: none;
}

/* ===================================
   HERO SECTION
   =================================== */
#hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

/* Animated background */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}

.hero-bg-circle:nth-child(1) {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-bg-circle:nth-child(2) {
  width: 400px;
  height: 400px;
  background: var(--color-secondary);
  bottom: -100px;
  left: -100px;
  animation-delay: 3s;
}

.hero-bg-circle:nth-child(3) {
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  top: 50%;
  left: 40%;
  animation-delay: 5s;
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 0;
}

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

.hero-text { }

.hero-badge {
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(90deg, #60A5FA, #38BDF8, #67E8F9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item { text-align: center; }

.stat-number {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-number span {
  background: linear-gradient(90deg, #60A5FA, #38BDF8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-mockup-wrap {
  position: relative;
}

.hero-mockup-main {
  background: rgba(10,20,50,0.55);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: 24px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.hero-mockup-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

/* Service Cards in Hero */
.hero-service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-service-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: var(--transition-base);
}

.hero-service-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.35);
}

.hero-service-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.hero-service-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.hero-service-desc {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.8);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Progress bar */
.hero-progress-section {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.08);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: #ffffff;
  margin-bottom: 8px;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.8);
}

/* Floating Cards */
.hero-float-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatCard 3s ease-in-out infinite;
}

.hero-float-card:nth-child(2) {
  bottom: -20px;
  left: -30px;
  animation-delay: 1.5s;
}

.hero-float-card:nth-child(3) {
  top: -20px;
  right: -20px;
  animation-delay: 0.8s;
}

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

.float-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.float-icon.blue { background: rgba(37, 99, 235, 0.1); }
.float-icon.green { background: rgba(16, 185, 129, 0.1); }

.float-text {
  font-size: 0.78rem;
  color: var(--color-slate-800);
}

.float-text strong {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

/* ===================================
   SECTION HEADERS
   =================================== */
.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: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(37, 99, 235, 0.15);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  color: var(--color-slate-900);
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-slate-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===================================
   SERVICES STRIP (between hero & usecases)
   =================================== */
#services-strip {
  background: var(--color-slate-900);
  padding: 20px 0;
  overflow: hidden;
}

.services-ticker {
  display: flex;
  gap: 0;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}

.services-ticker-inner {
  display: flex;
  gap: 48px;
  align-items: center;
  padding: 0 24px;
  flex-shrink: 0;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  font-weight: 500;
}

.ticker-item span.dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===================================
   USE CASES SECTION
   =================================== */
#usecases {
  background: var(--color-slate-50);
  padding: 100px 0;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.usecase-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-slate-200);
  transition: all var(--transition-base);
  position: relative;
}

.usecase-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.usecase-card-img {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Visual mockup backgrounds */
.uc-bg-1 {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.uc-bg-2 {
  background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
}

.uc-bg-3 {
  background: linear-gradient(135deg, #FFF7ED 0%, #FED7AA 100%);
}

.uc-mockup {
  width: 80%;
  height: 80%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

/* Outdoor sign mockup */
.uc-outdoor {
  background: var(--color-slate-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
}

.uc-signboard {
  width: 160px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
}

.uc-signboard::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 20px;
  background: var(--color-slate-400);
}

.uc-signboard-text {
  color: white;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

/* Banner mockup */
.uc-banner-mock {
  background: linear-gradient(135deg, #065F46 0%, #059669 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
}

.uc-banner-item {
  width: 100%;
  height: 24px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 6px;
}

.uc-banner-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
}

.uc-banner-line {
  height: 4px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
  flex: 1;
}

/* Print mockup */
.uc-print-mock {
  background: #fff;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 10px;
}

.uc-print-item {
  background: var(--color-slate-100);
  border-radius: 4px;
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.uc-print-item:nth-child(1) { background: linear-gradient(135deg, #FEF3C7, #FDE68A); }
.uc-print-item:nth-child(2) { background: linear-gradient(135deg, #DBEAFE, #BFDBFE); }
.uc-print-item:nth-child(3) { background: linear-gradient(135deg, #FCE7F3, #FBCFE8); }
.uc-print-item:nth-child(4) { background: linear-gradient(135deg, #D1FAE5, #A7F3D0); }

.usecase-body {
  padding: 28px;
}

.usecase-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.usecase-number::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-slate-200);
}

.usecase-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-slate-900);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.usecase-desc {
  font-size: 0.9rem;
  color: var(--color-slate-500);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.tag {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-slate-100);
  color: var(--color-slate-600);
  border: 1px solid var(--color-slate-200);
}

/* ===================================
   PRODUCT OVERVIEW SECTION (Dashboard)
   =================================== */
#product-overview {
  background: var(--color-white);
  padding: 100px 0;
  overflow: hidden;
}

.overview-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}

.overview-text .section-header {
  text-align: left;
  margin-bottom: 32px;
}

.overview-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.overview-feature {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate-200);
  background: var(--color-slate-50);
  transition: var(--transition-base);
  cursor: pointer;
}

.overview-feature:hover, .overview-feature.active {
  background: rgba(37, 99, 235, 0.04);
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: var(--shadow-sm);
}

.overview-feature.active {
  border-left: 3px solid var(--color-primary);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-slate-800);
  margin-bottom: 4px;
}

.feature-text p {
  font-size: 0.84rem;
  color: var(--color-slate-500);
  line-height: 1.6;
}

/* Dashboard Mockup */
.dashboard-mockup {
  position: relative;
}

.dashboard-window {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--color-slate-200);
  position: relative;
  z-index: 1;
}

.dashboard-titlebar {
  background: var(--color-slate-800);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.titlebar-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #FF5F57; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #28C840; }

.titlebar-url {
  flex: 1;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  margin: 0 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dashboard-body {
  padding: 0;
}

/* Dashboard sidebar */
.dashboard-layout {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 360px;
}

.dashboard-sidebar {
  background: var(--color-slate-50);
  border-right: 1px solid var(--color-slate-200);
  padding: 20px 12px;
}

.sidebar-logo {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-primary);
  padding: 8px 12px;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.sidebar-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-slate-500);
  margin-bottom: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sidebar-menu-item:hover, .sidebar-menu-item.active {
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
}

.sidebar-menu-item .menu-icon { font-size: 0.9rem; }

/* Dashboard main content */
.dashboard-main {
  padding: 20px;
}

.dashboard-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.dashboard-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-slate-800);
}

.dashboard-period {
  font-size: 0.72rem;
  color: var(--color-slate-400);
  background: var(--color-slate-100);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.dashboard-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.kpi-card {
  background: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 12px;
}

.kpi-label {
  font-size: 0.7rem;
  color: var(--color-slate-500);
  font-weight: 500;
  margin-bottom: 4px;
}

.kpi-value {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-slate-900);
  margin-bottom: 2px;
}

.kpi-change {
  font-size: 0.65rem;
  font-weight: 600;
}

.kpi-change.up { color: #10B981; }
.kpi-change.down { color: #EF4444; }

/* Chart bars */
.dashboard-chart {
  background: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 12px;
}

.chart-row-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-slate-600);
  margin-bottom: 10px;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
}

.chart-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 4px;
}

.chart-bar {
  width: 100%;
  border-radius: 3px 3px 0 0;
  background: var(--gradient-primary);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.chart-bar:hover { opacity: 1; }
.chart-bar.highlight { opacity: 1; box-shadow: 0 2px 8px rgba(37,99,235,0.3); }

.chart-bar-label {
  font-size: 0.6rem;
  color: var(--color-slate-400);
  text-align: center;
}

/* Order list */
.dashboard-orders {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.order-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--color-slate-50);
}

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

.order-name {
  flex: 1;
  font-size: 0.72rem;
  color: var(--color-slate-700);
  font-weight: 500;
}

.order-status {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.status-done { background: #D1FAE5; color: #065F46; }
.status-wip { background: #DBEAFE; color: #1E40AF; }
.status-wait { background: #FEF3C7; color: #92400E; }

/* Decorative elements around dashboard */
.dashboard-deco {
  position: absolute;
  background: rgba(37, 99, 235, 0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.dashboard-deco-1 {
  width: 200px;
  height: 200px;
  top: -20px;
  right: -30px;
  z-index: 0;
}

.dashboard-deco-2 {
  width: 140px;
  height: 140px;
  bottom: -20px;
  left: -20px;
  z-index: 0;
}

/* ===================================
   PROCESS SECTION
   =================================== */
#process {
  background: var(--color-slate-900);
  padding: 80px 0;
  overflow: hidden;
}

#process .section-title { color: var(--color-white); }
#process .section-desc { color: rgba(255,255,255,0.5); }
#process .section-badge {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.12);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-top: 60px;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(10% + 20px);
  right: calc(10% + 20px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  z-index: 0;
  opacity: 0.4;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
  position: relative;
}

.step-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  transition: var(--transition-base);
}

.step-circle.active {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 0 24px rgba(37, 99, 235, 0.5);
}

.step-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
#testimonials {
  background: var(--gradient-subtle);
  padding: 100px 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-slate-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 24px;
  font-size: 120px;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.06;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.15);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 20px;
}

.star { color: #F59E0B; font-size: 0.9rem; }

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-slate-600);
  line-height: 1.9;
  margin-bottom: 28px;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--color-slate-100);
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.author-info h5 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-slate-800);
  margin-bottom: 2px;
}

.author-info span {
  font-size: 0.78rem;
  color: var(--color-slate-400);
}

/* ===================================
   CTA SECTION
   =================================== */
#cta {
  background: var(--gradient-primary);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

#cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.2;
}

.cta-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

.cta-contact-info {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

.cta-contact-item span { font-weight: 600; color: white; }

/* ===================================
   FOOTER
   =================================== */
#footer {
  background: var(--color-slate-900);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(0) invert(1) opacity(0.9);
}

.footer-brand-desc {
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

.footer-contact-item .icon {
  font-size: 0.9rem;
  margin-top: 2px;
  flex-shrink: 0;
  opacity: 0.7;
}

.footer-section-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

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

.footer-links a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

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

.footer-legal a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  transition: var(--transition-fast);
}

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

/* ===================================
   MODAL (Privacy Policy)
   =================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 680px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--color-slate-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--color-white);
  z-index: 1;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-slate-900);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover { background: var(--color-slate-200); }

.modal-body {
  padding: 28px 32px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-slate-600);
}

.modal-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-slate-800);
  margin: 20px 0 8px;
}

.modal-body h3:first-child { margin-top: 0; }

.modal-body p { margin-bottom: 12px; }

/* ===================================
   CONSULTATION MODAL
   =================================== */
.consult-modal .modal-box { max-width: 560px; }

.consult-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate-700);
}

.form-input, .form-select, .form-textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-family: var(--font-family);
  color: var(--color-slate-800);
  background: var(--color-white);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea { resize: vertical; min-height: 100px; }

.form-submit {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 14px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-blue);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===================================
   SCROLL TO TOP
   =================================== */
#scrollTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 500;
  font-size: 1.1rem;
}

#scrollTop.visible {
  opacity: 1;
  transform: translateY(0);
}

#scrollTop:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.5);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

  .overview-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .overview-text .section-header {
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .process-steps::before { display: none; }
  
  .process-step:nth-child(4),
  .process-step:nth-child(5) {
    margin-top: 12px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .section-padding { padding: 72px 0; }
  #usecases, #product-overview, #testimonials, #cta { padding: 72px 0; }

  .nav-menu { display: none; }
  .hamburger { display: flex; }

  .hero-content { padding: 48px 0; }
  
  .hero-stats {
    justify-content: center;
    gap: 24px;
  }

  .usecase-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .process-step:last-child {
    grid-column: 1 / -1;
    max-width: 200px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-contact-info {
    flex-direction: column;
    gap: 16px;
  }

  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar { display: none; }

  .hero-actions {
    flex-direction: column;
    max-width: 320px;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .modal-body, .modal-header {
    padding: 20px 20px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  
  .hero-title { font-size: 2rem; }
  
  .dashboard-kpis { grid-template-columns: 1fr; }

  .hero-service-grid { grid-template-columns: 1fr; }

  .hero-float-card { display: none; }

  .section-title { font-size: 1.6rem; }

  .cta-title { font-size: 1.8rem; }

  .process-steps { grid-template-columns: 1fr; }
  .process-step:last-child {
    grid-column: auto;
    max-width: unset;
    margin: 0;
  }
}