/* ==========================================================================
   APP CREATOR IT SOLUTIONS - PREMIUM DESIGN SYSTEM
   Location: Nagpur, Maharashtra, India
   Stack: HTML5, Vanilla CSS3, Vanilla JavaScript
   Clean, modern, responsive, zero-dependency static site
   ========================================================================== */

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

/* ==========================================================================
   DESIGN TOKENS & CSS VARIABLES
   ========================================================================== */
:root {
  /* Brand Primary Colors */
  --color-primary: #2563eb;        /* Vibrant Electric Blue */
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-primary-subtle: #dbeafe;
  
  /* Brand Accent Colors */
  --color-accent: #4f46e5;         /* Indigo / Violet */
  --color-accent-hover: #4338ca;
  --color-accent-cyan: #0284c7;    /* Tech Cyan */
  --color-accent-purple: #7c3aed;  /* Digital Violet */
  
  /* Success / WhatsApp / Status */
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1eb956;
  --color-whatsapp-dark: #075E54;
  --color-success: #10b981;
  --color-success-bg: #ecfdf5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fffbeb;
  --color-info: #0284c7;
  --color-info-bg: #f0f9ff;

  /* Typography / Neutral Charcoal & Slate Palette */
  --color-text-main: #0f172a;      /* Deep Slate / Midnight Navy */
  --color-text-body: #334155;      /* Slate Charcoal */
  --color-text-muted: #64748b;     /* Medium Gray */
  --color-text-subtle: #94a3b8;    /* Light Gray */
  --color-text-inverse: #ffffff;
  
  /* Backgrounds & Surfaces */
  --color-bg-body: #ffffff;
  --color-bg-subtle: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-bg-card: #ffffff;
  --color-bg-dark: #0a0f1d;        /* Deep Navy Footer / Hero Accent */
  --color-bg-dark-card: #141c2e;
  
  /* Borders & Dividers */
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  --color-border-subtle: #f1f5f9;
  --color-border-dark: #1e293b;
  
  /* Gradients */
  --grad-primary: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  --grad-accent: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --grad-hero: linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
  --grad-dark: linear-gradient(135deg, #0a0f1d 0%, #172554 100%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.95) 100%);
  --grad-badge: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);

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

  /* Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 16px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.10), 0 4px 10px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 38px -6px rgba(15, 23, 42, 0.14), 0 8px 16px -3px rgba(15, 23, 42, 0.07);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.25);
  
  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Container */
  --container-max: 1240px;
  --header-height: 76px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  background-color: var(--color-bg-body);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-main);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3vw + 0.5rem, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw + 0.25rem, 1.65rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.95rem; }

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

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

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* Keyboard Focus Rings */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-sm {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

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

.section-bg-dark {
  background: var(--grad-dark);
  color: #e2e8f0;
}

.section-bg-dark h1,
.section-bg-dark h2,
.section-bg-dark h3 {
  color: #ffffff;
}

.section-bg-dark p {
  color: #94a3b8;
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-2xl) auto;
}

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

.section-header .section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-subtle);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.section-bg-dark .section-header .section-tag {
  color: #93c5fd;
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.section-bg-dark .section-subtitle {
  color: #94a3b8;
}

/* Responsive Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Text Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.font-bold { font-weight: 700; }

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

/* ==========================================================================
   NAVIGATION BAR & HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.98);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.brand-logo-img {
  height: 40px;
  width: auto;
}

.brand-text-wrapper {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

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

.brand-subtitle {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Main Desktop Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--color-text-body);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text-main);
}

.mobile-nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Offcanvas Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 380px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transition: right var(--transition-smooth);
  overflow-y: auto;
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.mobile-drawer-close {
  background: transparent;
  border: none;
  padding: var(--space-xs);
  cursor: pointer;
  color: var(--color-text-main);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.mobile-nav-list .nav-link {
  font-size: 1.05rem;
  padding: 0.75rem var(--space-sm);
  display: block;
}

.mobile-nav-list .nav-link.active {
  background-color: var(--color-primary-light);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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

/* ==========================================================================
   BUTTONS & CALL-TO-ACTIONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.45rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.25;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #4338ca 100%);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #ffffff;
  color: var(--color-text-main);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-hover);
  color: var(--color-primary);
}

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

.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-full {
  width: 100%;
}

/* ==========================================================================
   BADGES & HONEST STATUS TAGS
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.badge-client {
  background-color: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.badge-prototype {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.badge-concept {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.badge-personal {
  background-color: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #e9d5ff;
}

/* ==========================================================================
   HERO COMPONENT
   ========================================================================== */
.hero {
  background: var(--grad-hero);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-4xl);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 450px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.07) 0%, rgba(79, 70, 229, 0.03) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-2xl);
}

.hero-text {
  max-width: 650px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.95rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.hero-eyebrow .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.25);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.hero-heading {
  margin-bottom: var(--space-md);
  color: var(--color-text-main);
}

.hero-lead {
  font-size: 1.18rem;
  color: var(--color-text-body);
  line-height: 1.65;
  margin-bottom: var(--space-xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-body);
}

.trust-item svg {
  color: var(--color-success);
  width: 18px;
  height: 18px;
}

.hero-visual {
  position: relative;
}

.hero-mockup-wrapper {
  position: relative;
  transition: transform var(--transition-smooth);
}

.hero-mockup-wrapper:hover {
  transform: translateY(-4px);
}

/* Page Hero Banner (for inner pages) */
.page-hero {
  background: var(--grad-hero);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-hero .section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.3rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-subtle);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.page-hero h1 {
  margin-bottom: var(--space-sm);
}

.page-hero p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.15rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   CARDS & GRID COMPONENTS
   ========================================================================== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* Service Card */
.service-card {
  height: 100%;
}

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-primary-subtle);
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--color-primary);
  color: #ffffff;
  transform: scale(1.05);
}

.service-icon-box svg {
  width: 26px;
  height: 26px;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
}

.service-card p {
  color: var(--color-text-body);
  font-size: 0.96rem;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.service-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: var(--space-lg);
}

.service-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-body);
}

.service-feature-list li svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Solution Card */
.solution-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.solution-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-subtle);
}

.solution-card .solution-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.solution-card h3 {
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
}

.solution-card .benefit-box {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-subtle);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: var(--color-text-main);
  font-weight: 600;
}

/* Portfolio Card */
.portfolio-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.portfolio-thumb {
  position: relative;
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.portfolio-thumb img {
  max-height: 190px;
  width: auto;
  object-fit: contain;
}

.portfolio-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.portfolio-title {
  font-size: 1.25rem;
  margin-bottom: 0;
}

.portfolio-desc {
  font-size: 0.94rem;
  color: var(--color-text-body);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--space-md);
}

.tech-tag {
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-2xl);
}

.tab-btn {
  padding: 0.5rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 700;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-subtle);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

/* ==========================================================================
   PROCESS / STEPPER COMPONENT
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.step-card p {
  font-size: 0.92rem;
  color: var(--color-text-body);
}

.step-deliverable {
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ==========================================================================
   FAQ ACCORDION COMPONENT
   ========================================================================== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-main);
  text-align: left;
  cursor: pointer;
  gap: var(--space-md);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
  font-size: 0.96rem;
  color: var(--color-text-body);
  line-height: 1.65;
}

/* ==========================================================================
   CONTACT FORM & INTERACTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info-card {
  background: var(--color-bg-dark);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.contact-info-card h2,
.contact-info-card h3 {
  color: #ffffff;
}

.contact-info-card p {
  color: #94a3b8;
}

.contact-channel-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.contact-channel {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38bdf8;
  flex-shrink: 0;
}

.channel-icon.whatsapp {
  background: rgba(37, 211, 102, 0.2);
  color: var(--color-whatsapp);
}

.channel-text {
  display: flex;
  flex-direction: column;
}

.channel-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: #94a3b8;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.channel-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.channel-value a {
  color: #ffffff;
}

.channel-value a:hover {
  color: #38bdf8;
}

.contact-form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.35rem;
}

.form-label .optional {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-text-main);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}

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

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.form-disclaimer {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   FLOATING WHATSAPP PILL BUTTON
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-whatsapp);
  color: #ffffff;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  font-size: 0.9rem;
  font-weight: 700;
  z-index: 990;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.floating-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

.floating-whatsapp svg {
  width: 22px;
  height: 22px;
  fill: #ffffff;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: #94a3b8;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-top: 1px solid var(--color-border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .brand-title {
  color: #ffffff;
}

.footer-brand p {
  color: #94a3b8;
  font-size: 0.92rem;
  margin: var(--space-md) 0;
  max-width: 320px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: #cbd5e1;
  margin-bottom: 0.4rem;
}

.footer-contact-item a {
  color: #cbd5e1;
}

.footer-contact-item a:hover {
  color: #38bdf8;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

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

.footer-links a:hover {
  color: #ffffff;
  padding-left: 2px;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom a {
  color: #94a3b8;
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* ==========================================================================
   CALLOUT BANNER / CTA STRIP
   ========================================================================== */
.cta-banner {
  background: var(--grad-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.cta-banner h2 {
  color: #ffffff;
  margin-bottom: var(--space-xs);
}

.cta-banner p {
  color: #cbd5e1;
  font-size: 1.05rem;
}

.cta-banner-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
    margin: 0 auto;
  }

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

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

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner-actions {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }

  .main-nav {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .floating-whatsapp span {
    display: none;
  }

  .floating-whatsapp {
    padding: 0.8rem;
    border-radius: 50%;
    bottom: 18px;
    right: 18px;
  }

  .hero {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-2xl);
  }

  .section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Brand Logo with User Custom Icon */
.brand-icon-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  flex-shrink: 0;
}

.brand-footer-card {
  background: #ffffff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.brand-footer-card img {
  width: 150px;
  height: auto;
  display: block;
}