/* ==========================================================================
   WebMobileNest Solutions - Creative White Theme Stylesheet
   Modern, Ultra-Clean, Animation-Rich & Mobile-First
   ========================================================================== */

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

/* --- Root CSS Variables --- */
:root {
  /* Color Palette - Crisp Light / White Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-alt: #fcfdfe;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.75);

  /* Text Colors */
  --text-primary: #0f172a;       /* Deep Slate */
  --text-secondary: #334155;     /* Medium Slate */
  --text-muted: #64748b;         /* Muted Slate */
  --text-light: #94a3b8;         /* Light Slate */
  --text-inverse: #ffffff;

  /* Brand Accents & Gradients */
  --primary: #4f46e5;            /* Indigo */
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-border: #e0e7ff;
  --secondary: #0ea5e9;          /* Sky Blue */
  --accent-pink: #ec4899;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
  --gradient-accent: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  --gradient-text: linear-gradient(135deg, #1e1b4b 0%, #4f46e5 50%, #0ea5e9 100%);
  --gradient-hero: radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.08) 0%, transparent 40%),
                         radial-gradient(circle at 90% 30%, rgba(14, 165, 233, 0.08) 0%, transparent 40%),
                         radial-gradient(circle at 50% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);

  /* Borders & Shadows */
  --border-light: rgba(226, 232, 240, 0.8);
  --border-focus: rgba(99, 102, 241, 0.4);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.08), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(79, 70, 229, 0.15);
  --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.2);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

::selection {
  background: #e0e7ff;
  color: #3730a3;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* --- Container & Grid --- */
.container {
  width: 92%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-sm {
  padding: 60px 0;
}

.section-bg-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

/* --- Section Headings --- */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-header.text-left {
  text-align: left;
  margin: 0 0 50px;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.tag-badge i {
  font-size: 0.9rem;
}

.tag-badge.pulse span.dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

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

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.975rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(79, 70, 229, 0.5);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* --- Header & Navigation --- */
.top-announcement {
  background: linear-gradient(90deg, #3730a3, #4f46e5, #0284c7);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 8px 1rem;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

.top-announcement a {
  text-decoration: underline;
  color: #93c5fd;
  font-weight: 700;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-symbol {
  width: 52px;
  height: 48px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  filter: drop-shadow(0 3px 8px rgba(14, 165, 233, 0.3));
  transition: transform var(--transition-bounce), filter var(--transition-fast);
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-logo:hover .logo-symbol {
  transform: scale(1.1) rotate(3deg);
  filter: drop-shadow(0 6px 16px rgba(79, 70, 229, 0.45));
}

.brand-name span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 6px;
}

/* --- Mobile Navigation Drawer --- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 84%;
  max-width: 360px;
  height: 100vh;
  background: #ffffff;
  z-index: 2000;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.active {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.drawer-close {
  background: var(--bg-tertiary);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-primary);
  cursor: pointer;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.drawer-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  padding: 90px 0 120px;
  background: var(--gradient-hero);
  overflow: hidden;
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 660px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.2vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.typewriter-wrapper {
  display: inline-block;
  color: var(--primary);
  border-bottom: 3px solid var(--secondary);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.trust-avatars {
  display: flex;
}

.trust-avatars img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  margin-left: -10px;
  object-fit: cover;
}

.trust-avatars img:first-child {
  margin-left: 0;
}

.trust-info p {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.trust-info span {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.trust-stars {
  color: #fbbf24;
  font-size: 0.75rem;
}

/* --- Hero Visual & Interactive Mockup --- */
.hero-visual {
  position: relative;
  perspective: 1000px;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.main-hero-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(255, 255, 255, 0.8);
  position: relative;
  z-index: 5;
  transition: transform 0.4s ease;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.card-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
}

.card-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}

.metric-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: transform var(--transition-fast);
}

.metric-box:hover {
  transform: translateY(-2px);
  background: #ffffff;
  border-color: var(--primary-border);
}

.metric-label {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.metric-growth {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.hero-interactive-graph {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid var(--border-light);
}

.graph-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-secondary);
}

.graph-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 90px;
}

.bar-item {
  flex: 1;
  background: var(--primary-light);
  border-radius: 6px 6px 0 0;
  height: var(--height, 50%);
  position: relative;
  transition: height 1s ease, background 0.3s ease;
}

.bar-item:hover {
  background: var(--primary);
}

.bar-item.active {
  background: var(--gradient-primary);
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: float-anim 5s ease-in-out infinite;
}

.badge-top-right {
  top: -20px;
  right: -25px;
  animation-delay: 0s;
}

.badge-bottom-left {
  bottom: -20px;
  left: -25px;
  animation-delay: 2.5s;
}

.badge-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.badge-icon.app {
  background: #e0f2fe;
  color: #0284c7;
}

.badge-icon.growth {
  background: #dcfce7;
  color: #16a34a;
}

.badge-text h5 {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-primary);
}

.badge-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

/* --- Ticker / Logo Marquee --- */
.marquee-section {
  padding: 35px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
}

.marquee-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.marquee-track {
  display: flex;
  width: calc(240px * 16);
  animation: marquee-scroll 25s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item {
  width: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-secondary);
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.marquee-item:hover {
  opacity: 1;
  color: var(--primary);
}

.marquee-item i {
  font-size: 1.4rem;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-200px * 8)); }
}

/* --- Services Grid & Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  transition: transform var(--transition-bounce);
}

.service-card:hover .service-icon-wrap {
  transform: scale(1.1) rotate(5deg);
  background: var(--gradient-primary);
  color: #ffffff;
}

.service-card.purple .service-icon-wrap {
  background: #faf5ff;
  color: var(--accent-purple);
}
.service-card.purple:hover .service-icon-wrap {
  background: var(--gradient-accent);
  color: #ffffff;
}

.service-card.emerald .service-icon-wrap {
  background: #ecfdf5;
  color: var(--accent-emerald);
}
.service-card.emerald:hover .service-icon-wrap {
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  color: #ffffff;
}

.service-card.sky .service-icon-wrap {
  background: #f0f9ff;
  color: var(--secondary);
}
.service-card.sky:hover .service-icon-wrap {
  background: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 100%);
  color: #ffffff;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 22px;
}

.service-features {
  margin-bottom: 26px;
  flex-grow: 1;
}

.service-features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-weight: 500;
}

.service-features li i {
  color: var(--accent-emerald);
  font-size: 0.85rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.925rem;
  color: var(--primary);
  margin-top: auto;
}

.service-link i {
  transition: transform var(--transition-fast);
}

.service-link:hover i {
  transform: translateX(5px);
}

/* --- Interactive Project Cost Calculator --- */
.calculator-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.calc-options-side {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-group-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.calc-chip {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  text-align: center;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.calc-chip i {
  font-size: 1.25rem;
  color: var(--primary);
}

.calc-chip:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

.calc-chip.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.calc-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
}

.calc-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.calc-checkbox-label:hover {
  background: #ffffff;
  border-color: #cbd5e1;
}

.calc-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

/* Calculator Summary Box */
.calc-summary-side {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.calc-summary-side::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
}

.calc-summary-header h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.calc-summary-header p {
  color: #94a3b8;
  font-size: 0.875rem;
  line-height: 1.5;
}

.calc-price-display {
  margin: 30px 0;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #a5b4fc;
  margin-bottom: 6px;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: #94a3b8;
}

.calc-meta-details {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.calc-meta-details strong {
  color: #ffffff;
}

/* --- Portfolio & Case Studies --- */
.portfolio-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 45px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: #cbd5e1;
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 30px;
}

.portfolio-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(99, 102, 241, 0.25);
}

.portfolio-preview {
  height: 230px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-banner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 3rem;
  position: relative;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .preview-banner {
  transform: scale(1.05);
}

.banner-app1 { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.banner-app2 { background: linear-gradient(135deg, #10b981, #059669); }
.banner-mkt1 { background: linear-gradient(135deg, #ec4899, #be185d); }
.banner-mkt2 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.banner-web1 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.banner-web2 { background: linear-gradient(135deg, #06b6d4, #0891b2); }

.portfolio-category-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.portfolio-metric-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: #ffffff;
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 6px;
}

.portfolio-metric-badge span {
  color: var(--accent-emerald);
}

.portfolio-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.portfolio-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.p-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

/* --- 4-Step Process --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  position: relative;
}

.process-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-normal);
}

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

.step-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: #e0e7ff;
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition-fast);
}

.process-card:hover .step-num {
  color: var(--primary);
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 18px;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Why Choose Us / Live Stats --- */
.stats-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item h3 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 6px;
}

.stat-item h3 span.highlight {
  color: var(--secondary);
}

.stat-item p {
  font-size: 0.95rem;
  color: #94a3b8;
  font-weight: 600;
}

/* --- Testimonials Carousel --- */
.testimonials-slider {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 45px;
  box-shadow: var(--shadow-md);
  text-align: center;
  display: none;
  animation: fadeIn 0.5s ease;
}

.testimonial-card.active {
  display: block;
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.testimonial-quote {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 30px;
  font-style: italic;
}

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

.author-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-light);
}

.author-info h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  text-align: left;
}

.author-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: left;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
}

.t-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.t-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

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

.t-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.t-dot.active {
  width: 28px;
  border-radius: var(--radius-full);
  background: var(--primary);
}

/* --- FAQ Accordion --- */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-item.active {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 22px 26px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: transform var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary-light);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 26px;
}

.faq-answer p {
  padding-bottom: 22px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.contact-info-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 32px 0;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 18px;
}

.channel-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.channel-info h5 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.channel-info a, .channel-info p {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.channel-info a:hover {
  color: var(--primary);
}

.direct-quick-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.direct-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: #20ba59;
  color: #ffffff;
}

.btn-call {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-call:hover {
  background: #e2e8f0;
}

/* Form Styles */
.contact-form-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

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

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

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-msg.success i {
  color: var(--accent-emerald);
}

/* --- Footer --- */
.footer {
  background: #0b1120;
  color: #ffffff;
  padding: 80px 0 30px;
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 1.1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand .brand-logo {
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-brand .logo-symbol {
  background: #ffffff;
  border-radius: 12px;
  padding: 4px;
  width: 52px;
  height: 48px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
  filter: none;
}

.footer-brand p {
  color: #94a3b8;
  font-size: 0.925rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-column h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: #ffffff;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-newsletter p {
  color: #94a3b8;
  font-size: 0.875rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex: 1;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 0.875rem;
}

.newsletter-input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.12);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}

/* Floating Action / Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #ffffff;
  border: none;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* --- Floating Quick Mobile Bar --- */
.mobile-quick-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px;
  z-index: 1500;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.05);
}

.quick-bar-actions {
  display: flex;
  gap: 10px;
  width: 100%;
}

.quick-bar-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  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; }

/* --- Responsive Media Queries --- */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }

  .hero-content {
    margin: 0 auto;
  }

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

  .hero-trust-badges {
    justify-content: center;
  }

  .calculator-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .nav-menu, .nav-actions .btn-primary {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

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

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

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

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

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

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

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

  .floating-badge {
    display: none; /* Keep clean on small mobile */
  }

  .calculator-wrapper {
    padding: 24px;
  }

  .testimonial-card {
    padding: 28px 20px;
  }

  .testimonial-quote {
    font-size: 1.05rem;
  }

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

  .mobile-quick-bar {
    display: block;
  }

  body {
    padding-bottom: 60px; /* Offset for mobile quick bar */
  }
}