/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --bg-primary: #050b18;
  --bg-secondary: #080f1f;
  --bg-card: #0d1628;
  --bg-card-hover: #111d36;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #3b82f6 100%);
  --gradient-hero: linear-gradient(135deg, #050b18 0%, #0a1628 50%, #0d1f3c 100%);
  --border-color: rgba(59, 130, 246, 0.15);
  --border-hover: rgba(59, 130, 246, 0.4);
  --glass-bg: rgba(13, 22, 40, 0.85);
  --glass-border: rgba(59, 130, 246, 0.12);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --nav-height: 72px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f0f6ff;
  --bg-secondary: #e8f0ff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fbff;
  --text-primary: #0a0e1a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent-blue: #2563eb;
  --accent-cyan: #0891b2;
  --accent-indigo: #4f46e5;
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
  --gradient-secondary: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%);
  --gradient-hero: linear-gradient(135deg, #e8f0ff 0%, #dbeafe 50%, #cffafe 100%);
  --border-color: rgba(37, 99, 235, 0.15);
  --border-hover: rgba(37, 99, 235, 0.4);
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(37, 99, 235, 0.15);
  --shadow-sm: 0 2px 8px rgba(37, 99, 235, 0.08);
  --shadow-md: 0 8px 32px rgba(37, 99, 235, 0.12);
  --shadow-lg: 0 20px 60px rgba(37, 99, 235, 0.15);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-cyan); }

/* ===== SELECTION ===== */
::selection { background: rgba(59, 130, 246, 0.3); color: var(--text-primary); }

/* ===== CONTAINER ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SECTION BASE ===== */
section { padding: 100px 0; position: relative; }

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title.white {
  background: none;
  -webkit-text-fill-color: var(--text-primary);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.5);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--accent-blue);
  padding: 8px 0;
  font-size: 14px;
}

.btn-ghost:hover { gap: 14px; }

.btn-ghost svg { transition: transform 0.3s ease; }
.btn-ghost:hover svg { transform: translateX(4px); }

.btn-lg {
  padding: 18px 36px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

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

#navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.08);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent-blue);
  border-radius: 50%;
}

/* Dropdown */
.nav-item { position: relative; }

.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-dropdown a:hover {
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
  padding-left: 18px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
[data-theme="light"] .theme-toggle .sun-icon { display: block; }
[data-theme="light"] .theme-toggle .moon-icon { display: none; }

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg-primary);
  flex-direction: column;
  padding: 100px 24px 40px;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open { display: flex; }

.mobile-link {
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: var(--transition);
  border: 1px solid transparent;
}

.mobile-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border-color: var(--border-color);
}

.mobile-menu .btn {
  margin-top: 16px;
  justify-content: center;
}

/* ===== HERO SECTION ===== */
#hero {
  min-height: 100vh;
  padding: 0;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-blue);
  top: -200px;
  right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-cyan);
  bottom: -100px;
  left: -50px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-indigo);
  top: 40%;
  left: 40%;
  animation: orbFloat 12s ease-in-out infinite 2s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.4;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: var(--nav-height);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: 100vh;
  width: 100%;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  animation: fadeInUp 0.8s ease 1s both;
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInRight 0.8s ease 0.6s both;
}

.hero-phone-mockup {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.hero-card-float {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
}

.hero-card-1 {
  top: 10%;
  left: -30px;
  animation: floatCard1 6s ease-in-out infinite;
}

.hero-card-2 {
  bottom: 20%;
  right: -20px;
  animation: floatCard2 8s ease-in-out infinite 1s;
}

.hero-card-3 {
  top: 50%;
  left: -40px;
  transform: translateY(-50%);
  animation: floatCard3 7s ease-in-out infinite 2s;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.card-icon.blue { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }
.card-icon.cyan { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.card-icon.indigo { background: rgba(99, 102, 241, 0.2); color: var(--accent-indigo); }

.card-title { font-size: 13px; font-weight: 700; color: var(--text-primary); }
.card-value { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.hero-main-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.tech-icon-box {
  aspect-ratio: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: var(--transition);
}

.tech-icon-box:hover {
  border-color: var(--accent-blue);
  transform: scale(1.08);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

/* ===== ABOUT SECTION ===== */
#about {
  background: var(--bg-secondary);
}

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

.about-visual {
  position: relative;
}

.about-main-img {
  width: 100%;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about-main-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.9), rgba(6,182,212,0.9));
}

.about-img-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.about-stats-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  gap: 32px;
}

.about-stat-item { text-align: center; }
.about-stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.about-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

.about-content .section-badge { margin-bottom: 16px; }
.about-content .section-title { margin-bottom: 20px; }
.about-content p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-blue);
}

.feature-title { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.feature-desc { font-size: 13px; color: var(--text-muted); }

/* ===== SERVICES SECTION ===== */
#services { background: var(--bg-primary); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  group: true;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
  position: relative;
}

.service-icon-wrap.blue { background: rgba(59, 130, 246, 0.12); }
.service-icon-wrap.cyan { background: rgba(6, 182, 212, 0.12); }
.service-icon-wrap.indigo { background: rgba(99, 102, 241, 0.12); }
.service-icon-wrap.green { background: rgba(16, 185, 129, 0.12); }
.service-icon-wrap.purple { background: rgba(168, 85, 247, 0.12); }
.service-icon-wrap.orange { background: rgba(249, 115, 22, 0.12); }

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ===== PROCESS SECTION ===== */
#process { background: var(--bg-secondary); }

.process-timeline {
  position: relative;
  margin-top: 60px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  opacity: 0.3;
}

.process-step {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 0;
  margin-bottom: 48px;
  align-items: start;
}

.process-step:nth-child(even) .step-content-left {
  order: 1;
}
.process-step:nth-child(even) .step-center { order: 2; }
.process-step:nth-child(even) .step-content-right { order: 3; }

.process-step:nth-child(even) .step-card { margin-left: 0; margin-right: auto; }
.process-step:nth-child(odd) .step-card { margin-left: auto; margin-right: 0; }

.step-content-left, .step-content-right { padding: 0 24px; }

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 360px;
  transition: var(--transition);
}

.step-card:hover {
  border-color: var(--border-hover);
  transform: scale(1.02);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.step-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
  flex-shrink: 0;
}

.step-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== PORTFOLIO SECTION ===== */
#portfolio { background: var(--bg-primary); }

.portfolio-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 40px 0;
}

.filter-btn {
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--border-hover);
}

.portfolio-img {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
}

.portfolio-img-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-img-bg { transform: scale(1.08); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition);
}

.portfolio-overlay-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: scale(1.1);
}

.portfolio-info { padding: 24px; }

.portfolio-category {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.portfolio-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.portfolio-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.portfolio-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.portfolio-tag {
  padding: 3px 10px;
  background: var(--bg-secondary);
  border-radius: 100px;
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* ===== TECHNOLOGIES SECTION ===== */
#technologies { background: var(--bg-secondary); }

.tech-categories { margin-top: 60px; }

.tech-category { margin-bottom: 48px; }

.tech-category-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.tech-category-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: default;
}

.tech-item:hover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(59, 130, 246, 0.1);
}

.tech-item-icon { font-size: 24px; line-height: 1; }
.tech-item-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* ===== TESTIMONIALS SECTION ===== */
#testimonials { background: var(--bg-primary); }

.testimonials-container { margin-top: 60px; position: relative; }

.testimonials-track {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.testimonials-slider {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  color: #f59e0b;
  font-size: 18px;
}

.testimonial-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-name { font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.author-role { font-size: 13px; color: var(--text-muted); }

.testimonials-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.testimonial-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.testimonial-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

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

.testimonial-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.testimonial-dot.active {
  background: var(--gradient-primary);
  width: 24px;
}

/* ===== PRICING SECTION ===== */
#pricing { background: var(--bg-secondary); }

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 40px 0;
}

.pricing-toggle-label { font-size: 14px; font-weight: 500; color: var(--text-secondary); }
.pricing-toggle-label.active { color: var(--text-primary); }

.toggle-switch {
  width: 48px;
  height: 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-switch.on { background: var(--gradient-primary); border-color: transparent; }

.toggle-thumb {
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.toggle-switch.on .toggle-thumb { left: 25px; }

.save-badge {
  padding: 4px 10px;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

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

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px;
  position: relative;
  transition: var(--transition);
}

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

.pricing-card.featured {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.35);
  color: #fff;
}

.pricing-card.featured * { --text-secondary: rgba(255,255,255,0.75); --text-muted: rgba(255,255,255,0.6); }

.pricing-popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: #fff;
  color: var(--accent-blue);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.pricing-plan-name {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.pricing-card.featured .pricing-plan-name { color: rgba(255,255,255,0.8); }

.pricing-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 8px;
}

.price-currency { font-size: 1.5rem; font-weight: 700; line-height: 1.5; }
.price-amount { font-size: 3rem; font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.price-period { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }

.pricing-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 28px; }
.pricing-card.featured .pricing-desc { color: rgba(255,255,255,0.75); }

.pricing-divider {
  height: 1px;
  background: var(--border-color);
  margin-bottom: 24px;
}

.pricing-card.featured .pricing-divider { background: rgba(255,255,255,0.2); }

.pricing-features { margin-bottom: 32px; }

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-card.featured .pricing-feature { color: rgba(255,255,255,0.85); }

.pricing-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #10b981;
}

.pricing-card.featured .pricing-check {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

.pricing-x {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ef4444;
  opacity: 0.5;
}

.pricing-card .btn-primary { width: 100%; justify-content: center; }
.pricing-card.featured .btn-secondary {
  width: 100%;
  justify-content: center;
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}

.pricing-card.featured .btn-secondary:hover {
  background: rgba(255,255,255,0.25);
}

/* ===== CONTACT SECTION ===== */
#contact { background: var(--bg-primary); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  margin-top: 60px;
}

.contact-info-items { margin-top: 36px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
  font-size: 20px;
}

.contact-item-title { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.contact-item-value { font-size: 14px; color: var(--text-secondary); }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 36px;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 18px;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }

.form-textarea { resize: vertical; min-height: 140px; }

.form-select { cursor: pointer; }
.form-select option { background: var(--bg-card); }

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

/* ===== MAP PLACEHOLDER ===== */
.map-container {
  width: 100%;
  height: 220px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  overflow: hidden;
  position: relative;
}

.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.map-placeholder span { font-size: 13px; }

/* ===== STATS SECTION ===== */
#stats {
  padding: 60px 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 32px;
  border-right: 1px solid var(--border-color);
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-label { font-size: 14px; color: var(--text-muted); font-weight: 500; }

/* ===== CTA SECTION ===== */
#cta {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.cta-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.btn-white {
  background: #fff;
  color: var(--accent-blue);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

/* ===== FOOTER ===== */
#footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 300px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

.footer-link {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-contact-icon {
  width: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-blue);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-copyright { font-size: 13px; color: var(--text-muted); }

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-link {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-bottom-link:hover { color: var(--accent-blue); }

/* ===== LIVE CHAT WIDGET ===== */
.chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
}

.chat-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.5);
  transition: var(--transition);
  position: relative;
}

.chat-btn:hover { transform: scale(1.1); }

.chat-notification {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: #ef4444;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  border: 2px solid var(--bg-primary);
  animation: pulse 2s ease infinite;
}

.chat-popup {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: var(--transition);
  transform-origin: bottom right;
}

.chat-popup.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chat-header {
  padding: 20px;
  background: var(--gradient-primary);
  color: #fff;
}

.chat-header-title { font-weight: 700; font-size: 15px; margin-bottom: 2px; }
.chat-header-status { font-size: 12px; opacity: 0.8; display: flex; align-items: center; gap: 6px; }
.chat-online-dot { width: 8px; height: 8px; background: #10b981; border-radius: 50%; }

.chat-body { padding: 20px; }

.chat-message {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.chat-input-wrap {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
}

.chat-input:focus { border-color: var(--accent-blue); }

.chat-send {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

/* ===== KID SHIELD FEATURED CARD ===== */
.kidshield-card {
  grid-column: 1 / -1;
  background: #F5A523;
  border: none;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 340px;
  position: relative;
  box-shadow: 0 20px 60px rgba(245, 165, 35, 0.35);
  transition: var(--transition);
}

.kidshield-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 80px rgba(245, 165, 35, 0.5);
}

/* decorative circles */
.kidshield-card::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  top: -80px;
  left: -60px;
  pointer-events: none;
}
.kidshield-card::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  bottom: -60px;
  left: 240px;
  pointer-events: none;
}

.kidshield-body {
  padding: 40px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
}

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

.kidshield-logo-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kidshield-logo-name {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.kidshield-flagship-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.22);
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  width: fit-content;
  margin-bottom: 16px;
}

.kidshield-headline {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.kidshield-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.88);
  line-height: 1.65;
  margin-bottom: 20px;
  max-width: 420px;
}

.kidshield-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px 20px;
  margin-bottom: 24px;
}

.kidshield-feature {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: rgba(255,255,255,0.92);
  font-weight: 500;
}

.kidshield-feature::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  flex-shrink: 0;
}

.kidshield-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.kidshield-platforms {
  display: flex;
  gap: 8px;
}

.kidshield-platform {
  padding: 5px 12px;
  background: rgba(255,255,255,0.2);
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.kidshield-btn {
  padding: 10px 22px;
  background: #fff;
  color: #E5960A;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.kidshield-btn:hover {
  background: #fff8ee;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.kidshield-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
}

.kidshield-visual-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
}

.kidshield-phones {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  gap: -20px;
}

.kidshield-phone {
  width: 130px;
  height: 240px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.kidshield-phone:first-child {
  transform: rotate(-8deg) translateY(20px);
  z-index: 1;
}

.kidshield-phone:last-child {
  transform: rotate(5deg) translateY(10px);
  z-index: 0;
  margin-left: -30px;
}

.phone-screen-top {
  background: #F5A523;
  padding: 10px 10px 8px;
  flex-shrink: 0;
}

.phone-screen-title {
  font-size: 9px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 2px;
}

.phone-screen-sub {
  font-size: 7px;
  color: rgba(255,255,255,0.8);
}

.phone-screen-body {
  flex: 1;
  background: #f8f9fa;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.phone-stat-row {
  display: flex;
  gap: 5px;
}

.phone-stat-box {
  flex: 1;
  background: #fff;
  border-radius: 6px;
  padding: 5px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  text-align: center;
}

.phone-stat-num {
  font-size: 10px;
  font-weight: 800;
  color: #F5A523;
  line-height: 1;
}

.phone-stat-lbl {
  font-size: 6px;
  color: #888;
  margin-top: 1px;
}

.phone-feature-item {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #fff;
  border-radius: 5px;
  padding: 4px 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.phone-feature-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #F5A523;
  flex-shrink: 0;
}

.phone-feature-lbl {
  font-size: 6.5px;
  color: #444;
  font-weight: 500;
}

.phone-location-bar {
  background: #e8f5e9;
  border-radius: 5px;
  padding: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.phone-loc-icon { font-size: 10px; }
.phone-loc-text { font-size: 6px; color: #2e7d32; font-weight: 600; }

.kidshield-tablet {
  width: 160px;
  height: 200px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 20px 56px rgba(0,0,0,0.22);
  overflow: hidden;
  transform: rotate(3deg) translateY(-10px);
  z-index: 2;
  margin-left: -40px;
  display: flex;
  flex-direction: column;
}

.tablet-top {
  background: #F5A523;
  padding: 10px 12px 8px;
}
.tablet-title { font-size: 10px; font-weight: 800; color: #fff; }
.tablet-sub { font-size: 7px; color: rgba(255,255,255,0.85); margin-top: 1px; }

.tablet-body {
  flex: 1;
  background: #fafafa;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.tablet-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }

.tablet-card {
  background: #fff;
  border-radius: 6px;
  padding: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.tablet-card-icon { font-size: 14px; margin-bottom: 3px; }
.tablet-card-lbl { font-size: 6px; color: #555; font-weight: 600; }
.tablet-card-val { font-size: 9px; font-weight: 800; color: #F5A523; margin-top: 1px; }

.tablet-alert {
  background: #fff3e0;
  border-left: 3px solid #F5A523;
  border-radius: 4px;
  padding: 5px 7px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.tablet-alert-icon { font-size: 9px; }
.tablet-alert-text { font-size: 6px; color: #e65100; font-weight: 600; }

/* Dark mode keeps the same brand colors */
[data-theme="light"] .kidshield-card { box-shadow: 0 20px 60px rgba(245, 165, 35, 0.3); }

@media (max-width: 900px) {
  .kidshield-card { grid-template-columns: 1fr; }
  .kidshield-visual { display: none; }
  .kidshield-body { padding: 32px 28px; }
  .kidshield-features { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   WORLD-CLASS PORTFOLIO & CASE STUDIES
   ═══════════════════════════════════════════════════════════════ */

/* ── Section intro ── */
.cs-intro { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.cs-intro .section-subtitle { margin: 0 auto; }

/* ── Reusable device mockups ── */
.device-browser {
  width: 100%;
  border-radius: 14px;
  background: #0a1224;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 30px 70px rgba(0,0,0,0.55);
  overflow: hidden;
}
.device-browser-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.device-browser-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.device-browser-bar i:nth-child(1) { background: #ff5f57; }
.device-browser-bar i:nth-child(2) { background: #febc2e; }
.device-browser-bar i:nth-child(3) { background: #28c840; }
.device-browser-url {
  margin-left: 10px; flex: 1;
  height: 18px; border-radius: 6px;
  background: rgba(255,255,255,0.07);
  font-size: 10px; color: rgba(255,255,255,0.5);
  display: flex; align-items: center; padding: 0 10px;
}
.device-browser-screen { padding: 18px; display: grid; gap: 12px; }

/* dashboard widgets inside browser */
.dash-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.dash-kpi {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px; padding: 12px;
}
.dash-kpi b { font-size: 17px; color: #fff; display: block; }
.dash-kpi span { font-size: 9px; color: rgba(255,255,255,0.55); }
.dash-chart {
  height: 110px; border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: flex-end; gap: 7px; padding: 14px;
}
.dash-bar { flex: 1; border-radius: 5px 5px 0 0; background: var(--gradient-primary); animation: dashGrow 1.4s ease both; }
@keyframes dashGrow { from { transform: scaleY(0.15); transform-origin: bottom; } to { transform: scaleY(1); } }

/* phone mockup (generic) */
.device-phone {
  width: 150px; aspect-ratio: 150/310;
  border-radius: 26px;
  background: #0a1224;
  border: 6px solid rgba(255,255,255,0.14);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  overflow: hidden; position: relative;
}
.device-phone::before {
  content: ""; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 46px; height: 5px; border-radius: 5px; background: rgba(255,255,255,0.2); z-index: 2;
}
.device-phone-screen { width: 100%; height: 100%; padding: 22px 12px 12px; display: grid; gap: 8px; align-content: start; }
.dp-head { font-size: 11px; font-weight: 700; color: #fff; }
.dp-sub { font-size: 8px; color: rgba(255,255,255,0.5); margin-bottom: 4px; }
.dp-tile { height: 30px; border-radius: 7px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); }
.dp-tile.accent { background: var(--gradient-primary); border: none; }

/* ─────────────────────────────────────────────
   FEATURED SUCCESS HERO CARD
   ───────────────────────────────────────────── */
.success-hero {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(59,130,246,0.5), rgba(6,182,212,0.15), rgba(99,102,241,0.5));
  margin-bottom: 40px;
  overflow: hidden;
}
.success-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
  background: radial-gradient(120% 140% at 0% 0%, #0e1a33 0%, var(--bg-card) 55%);
  border-radius: calc(var(--radius-xl) - 1px);
  padding: 48px;
  overflow: hidden;
}
.success-hero-inner::before {
  content: ""; position: absolute; top: -120px; right: -120px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.22), transparent 70%);
  pointer-events: none;
}
.success-flag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
  color: #fbbf24;
  background: rgba(251,191,36,0.1); border: 1px solid rgba(251,191,36,0.3);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 18px;
}
.success-logo {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.success-logo-mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; box-shadow: 0 8px 20px rgba(59,130,246,0.35);
}
.success-logo b { font-size: 16px; color: var(--text-primary); }
.success-hero h2 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 14px; }
.success-hero .lede { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 22px; max-width: 540px; }

.success-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-bottom: 24px; }
.success-meta div { display: flex; flex-direction: column; gap: 2px; }
.success-meta span { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.success-meta b { font-size: 14px; color: var(--text-primary); font-weight: 700; }

.success-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 26px; }
.success-metric {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 14px; text-align: center;
  transition: var(--transition);
}
.success-metric:hover { border-color: var(--border-hover); transform: translateY(-3px); background: rgba(59,130,246,0.06); }
.success-metric b {
  display: block; font-size: 22px; font-weight: 800; line-height: 1;
  background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 5px;
}
.success-metric span { font-size: 11px; color: var(--text-secondary); }

.success-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.success-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.success-visual .device-browser { transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.success-hero:hover .success-visual .device-browser { transform: perspective(1200px) rotateY(-6deg) translateY(-6px); }
.success-visual .device-phone {
  position: absolute; right: -10px; bottom: -24px; width: 120px;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.success-hero:hover .success-visual .device-phone { transform: translateY(-10px) rotate(-3deg); }

/* ─────────────────────────────────────────────
   ADVANCED CASE CARDS (with device mockups)
   ───────────────────────────────────────────── */
.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 26px;
}
.cs-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.cs-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.cs-stage {
  position: relative;
  height: 215px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  perspective: 1000px;
}
.cs-stage > .device-phone,
.cs-stage > .device-browser { transition: transform 0.55s cubic-bezier(0.4,0,0.2,1); }
.cs-card:hover .cs-stage > .device-phone { transform: translateY(-6px) rotate(-4deg) scale(1.04); }
.cs-card:hover .cs-stage > .device-browser { transform: rotateX(6deg) translateY(-6px) scale(1.03); }
.cs-stage .device-phone { width: 132px; }
.cs-stage .device-browser { width: 86%; }
.cs-stage .device-browser .device-browser-screen { padding: 12px; }

/* sliding screen "live preview" on hover for phone */
.dp-scroll { animation: none; }
.cs-card:hover .dp-scroll { animation: dpSlide 2.2s ease-in-out infinite alternate; }
@keyframes dpSlide { from { transform: translateY(0); } to { transform: translateY(-26px); } }

/* hover overlay with quick stats */
.cs-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,11,24,0.35), rgba(5,11,24,0.92));
  backdrop-filter: blur(2px);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 18px; gap: 12px;
  opacity: 0; transition: var(--transition);
}
.cs-card:hover .cs-overlay { opacity: 1; }
.cs-overlay-stats { display: flex; gap: 10px; }
.cs-overlay-stat { flex: 1; text-align: center; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); border-radius: 10px; padding: 8px 4px; }
.cs-overlay-stat b { display: block; font-size: 15px; color: #fff; font-weight: 800; }
.cs-overlay-stat span { font-size: 9px; color: rgba(255,255,255,0.7); }
.cs-overlay .btn { justify-content: center; width: 100%; }

.cs-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.cs-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.cs-tag {
  font-size: 11px; font-weight: 600; color: var(--accent-blue);
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.22);
  padding: 4px 11px; border-radius: 100px;
}
.cs-win {
  font-size: 11px; font-weight: 700; color: #10b981;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.25);
  padding: 4px 11px; border-radius: 100px;
}
.cs-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.cs-card p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }
.cs-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.cs-tech span { font-size: 11px; color: var(--text-muted); background: var(--bg-secondary); border: 1px solid var(--border-color); padding: 3px 10px; border-radius: 100px; }
.cs-foot {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.cs-foot-meta { font-size: 11.5px; color: var(--text-muted); }
.cs-foot-meta b { color: var(--text-secondary); font-weight: 600; }
.cs-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent-blue);
  transition: var(--transition);
}
.cs-link:hover { gap: 9px; color: var(--accent-cyan); }

/* ─────────────────────────────────────────────
   INDUSTRIES SERVED
   ───────────────────────────────────────────── */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px; margin-top: 52px;
}
.industry-tile {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  text-align: center;
  transition: var(--transition);
  overflow: hidden;
}
.industry-tile::before {
  content: ""; position: absolute; inset: 0;
  background: var(--gradient-primary); opacity: 0;
  transition: var(--transition); z-index: 0;
}
.industry-tile:hover { transform: translateY(-6px); border-color: transparent; box-shadow: var(--shadow-lg); }
.industry-tile:hover::before { opacity: 1; }
.industry-icon {
  position: relative; z-index: 1;
  width: 52px; height: 52px; margin: 0 auto 14px;
  border-radius: 14px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
  transition: var(--transition);
}
.industry-tile:hover .industry-icon { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.3); transform: scale(1.1) rotate(-6deg); }
.industry-tile span { position: relative; z-index: 1; font-size: 14px; font-weight: 600; color: var(--text-primary); transition: var(--transition); }
.industry-tile:hover span { color: #fff; }

/* ─────────────────────────────────────────────
   CLIENT SUCCESS STORIES
   ───────────────────────────────────────────── */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px; margin-top: 52px;
}
.story-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
  overflow: hidden;
}
.story-card::after {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--gradient-primary); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.story-card:hover { transform: translateY(-6px); border-color: var(--border-hover); box-shadow: var(--shadow-lg); }
.story-card:hover::after { transform: scaleX(1); }
.story-logo {
  width: 48px; height: 48px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #fff; font-weight: 800; margin-bottom: 18px;
}
.story-type { font-size: 12px; font-weight: 600; color: var(--accent-cyan); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.story-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.story-goal { font-size: 13.5px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 20px; }
.story-results { display: flex; gap: 10px; flex-wrap: wrap; }
.story-result {
  flex: 1; min-width: 80px; text-align: center;
  background: rgba(59,130,246,0.06); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); padding: 12px 8px;
}
.story-result b { display: block; font-size: 18px; font-weight: 800; color: var(--text-primary); }
.story-result span { font-size: 10.5px; color: var(--text-muted); }

/* ─────────────────────────────────────────────
   PORTFOLIO STAT STRIP (5 counters)
   ───────────────────────────────────────────── */
.cs-statstrip {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
  position: relative;
}
.cs-statstrip .stat-item { padding: 10px 0; }
.cs-statstrip .stat-item:not(:last-child) { border-right: 1px solid var(--border-color); }

/* Responsive */
@media (max-width: 960px) {
  .success-hero-inner { grid-template-columns: 1fr; gap: 32px; padding: 36px; }
  .success-visual { order: -1; }
  .cs-statstrip { grid-template-columns: repeat(2, 1fr); }
  .cs-statstrip .stat-item:not(:last-child) { border-right: none; }
}
@media (max-width: 560px) {
  .success-hero-inner { padding: 26px; }
  .success-metrics { grid-template-columns: 1fr 1fr; }
  .success-meta { gap: 16px; }
  .cs-statstrip { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────
   CASE STUDY PAGE
   ───────────────────────────────────────────── */
.cstudy-hero { padding: 130px 0 70px; position: relative; overflow: hidden; }
.cstudy-hero-bg { position: absolute; inset: 0; opacity: 0.1; }
.cstudy-cover {
  margin-top: 40px; border-radius: var(--radius-xl); overflow: hidden;
  min-height: 320px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-color); position: relative;
}
.cstudy-section { padding: 70px 0; }
.cstudy-section.alt { background: var(--bg-secondary); }
.cstudy-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.cstudy-block-title { font-size: 1.7rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.01em; }
.cstudy-block-title .em { color: var(--accent-blue); }
.cstudy-prose { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
.cstudy-prose p { margin-bottom: 14px; }
.cstudy-list { display: grid; gap: 14px; margin-top: 8px; }
.cstudy-list-item { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--text-secondary); line-height: 1.6; }
.cstudy-list-item .ck {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 7px; margin-top: 1px;
  background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); color: #10b981;
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}

/* timeline */
.cstudy-timeline { position: relative; margin-top: 40px; padding-left: 30px; }
.cstudy-timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--border-color); }
.cstudy-step { position: relative; padding-bottom: 30px; }
.cstudy-step:last-child { padding-bottom: 0; }
.cstudy-step::before {
  content: ""; position: absolute; left: -30px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--gradient-primary); box-shadow: 0 0 0 4px var(--bg-primary);
}
.cstudy-step h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.cstudy-step .wk { font-size: 12px; color: var(--accent-cyan); font-weight: 600; margin-bottom: 6px; display: block; }
.cstudy-step p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.6; }

/* results grid */
.cstudy-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-top: 16px; }
.cstudy-result {
  text-align: center; padding: 30px 20px;
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  transition: var(--transition);
}
.cstudy-result:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.cstudy-result b { display: block; font-size: 2.4rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; margin-bottom: 8px; }
.cstudy-result span { font-size: 13px; color: var(--text-secondary); }

/* gallery slider */
.cstudy-gallery { margin-top: 16px; position: relative; }
.cstudy-gallery-track { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 14px; scrollbar-width: thin; }
.cstudy-shot {
  flex: 0 0 78%; max-width: 560px; scroll-snap-align: center;
  aspect-ratio: 16/9; border-radius: var(--radius-lg); border: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: center; font-size: 64px; color: #fff;
}
@media (min-width: 768px) { .cstudy-shot { flex-basis: 48%; } }

/* before/after */
.cstudy-ba { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 16px; }
.cstudy-ba-col { border-radius: var(--radius-lg); padding: 30px; border: 1px solid var(--border-color); }
.cstudy-ba-col.before { background: rgba(239,68,68,0.05); border-color: rgba(239,68,68,0.2); }
.cstudy-ba-col.after { background: rgba(16,185,129,0.05); border-color: rgba(16,185,129,0.25); }
.cstudy-ba-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; }
.cstudy-ba-col.before .cstudy-ba-label { color: #ef4444; }
.cstudy-ba-col.after .cstudy-ba-label { color: #10b981; }
.cstudy-ba-col ul { display: grid; gap: 12px; }
.cstudy-ba-col li { font-size: 14px; color: var(--text-secondary); line-height: 1.5; padding-left: 24px; position: relative; }
.cstudy-ba-col.before li::before { content: "✕"; position: absolute; left: 0; color: #ef4444; }
.cstudy-ba-col.after li::before { content: "✓"; position: absolute; left: 0; color: #10b981; }

/* big testimonial */
.cstudy-quote {
  max-width: 820px; margin: 0 auto; text-align: center;
}
.cstudy-quote .q { font-size: clamp(1.2rem, 2.4vw, 1.7rem); font-weight: 600; line-height: 1.5; color: var(--text-primary); margin-bottom: 28px; }
.cstudy-quote .q::before { content: "“"; font-size: 3rem; color: var(--accent-blue); display: block; line-height: 0.4; margin-bottom: 18px; }
.cstudy-quote-author { display: inline-flex; align-items: center; gap: 14px; }
.cstudy-quote-avatar { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; color: #fff; font-size: 16px; }
.cstudy-quote-author b { display: block; font-size: 15px; }
.cstudy-quote-author span { font-size: 13px; color: var(--text-muted); }

@media (max-width: 860px) {
  .cstudy-split { grid-template-columns: 1fr; gap: 32px; }
  .cstudy-ba { grid-template-columns: 1fr; }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  font-size: 18px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg .hero-orb { opacity: 0.08; }

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

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a { color: var(--accent-blue); }
.breadcrumb-sep { opacity: 0.4; }

.page-hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.page-hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== BLOG ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 60px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--border-hover);
}

.blog-img {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-img { transform: scale(1.05); }

.blog-content { padding: 24px; }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-category {
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.blog-date { font-size: 12px; color: var(--text-muted); }

.blog-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.4;
  transition: color 0.3s;
}

.blog-card:hover .blog-title { color: var(--accent-blue); }

.blog-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-author {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.author-mini-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.author-mini-name { font-size: 13px; font-weight: 600; }
.author-mini-role { font-size: 11px; color: var(--text-muted); }

/* ===== LEGAL PAGES ===== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text-primary);
}

.legal-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content ul li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}

/* ===== ANIMATIONS ===== */
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

@keyframes floatCard1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes floatCard2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

@keyframes floatCard3 {
  0%, 100% { transform: translateY(-50%); }
  50% { transform: translateY(calc(-50% - 8px)); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

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

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ===== UTILITY CLASSES ===== */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 16px; }
.mb-0 { margin-bottom: 0; }
.mt-auto { margin-top: auto; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 60px; text-align: center; min-height: auto; padding-top: calc(var(--nav-height) + 60px); padding-bottom: 60px; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-items: center; }
  .hero-visual { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); max-width: 400px; margin: 0 auto; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }

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

  .process-timeline::before { display: none; }
  .process-step { grid-template-columns: 1fr; gap: 0; }
  .process-step:nth-child(even) .step-content-left,
  .process-step:nth-child(odd) .step-content-left { display: none; }
  .process-step:nth-child(even) .step-content-right,
  .process-step:nth-child(odd) .step-content-right { display: none; }
  .step-center { flex-direction: row; gap: 16px; }
  .step-card { max-width: 100%; margin: 0; }

  .process-step {
    grid-template-columns: 1fr;
  }
  .step-content-left { display: none !important; }
  .step-content-right {
    display: block !important;
    padding: 0;
  }
  .step-card { max-width: 100%; margin: 0; }
  .step-center {
    flex-direction: row;
    align-items: center;
    margin-bottom: 12px;
  }

  .contact-grid { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-color); }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--border-color); }
  .stat-item:last-child, .stat-item:nth-last-child(2):nth-child(odd) { border-bottom: none; }
}

@media (max-width: 768px) {
  section { padding: 70px 0; }
  .nav-links { display: none; }
  .nav-actions .btn { display: none; }
  .hamburger { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }

  .cta-card { padding: 48px 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { justify-content: center; }

  .testimonial-card { padding: 32px 24px; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); }

  .pricing-toggle { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .portfolio-filters { gap: 6px; }
  .filter-btn { padding: 8px 14px; font-size: 13px; }
  .cta-actions { flex-direction: column; align-items: center; }
}