/* ==========================================================================
   AspiGrow - Human-Crafted Modern Design System
   High-Contrast Dark/Light Theming & Mobile-First Responsiveness
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Space+Grotesk:wght@500;600;700;800&display=swap');

:root {
  /* High-Contrast Color Palette - Dark Mode (Default) */
  --bg-primary: #070b14;
  --bg-secondary: #0d1527;
  --bg-tertiary: #131f38;
  --bg-card: #0f1a2e;
  --bg-card-hover: #16243f;
  --bg-glass: rgba(7, 11, 20, 0.94);
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(99, 102, 241, 0.6);
  
  /* High Contrast Typography */
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;       /* Crystal clear, never dim */
  --text-muted: #94a3b8;           /* High readability */
  
  /* Brand Accents */
  --accent-primary: #4f46e5;
  --accent-primary-light: #6366f1;
  --accent-secondary: #0284c7;
  --accent-secondary-light: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #4f46e5 0%, #0284c7 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #cbd5e1 100%);
  --grad-accent-text: linear-gradient(135deg, #93c5fd 0%, #818cf8 50%, #38bdf8 100%);

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

  /* Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px -8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px -12px rgba(0, 0, 0, 0.7);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme - High Contrast */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(248, 250, 252, 0.94);
  --border-subtle: rgba(15, 23, 42, 0.1);
  --border-hover: rgba(79, 70, 229, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --grad-text: linear-gradient(135deg, #0f172a 30%, #334155 100%);
  --grad-accent-text: linear-gradient(135deg, #4338ca 0%, #0284c7 100%);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px -8px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 20px 50px -12px rgba(15, 23, 42, 0.15);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  background-image: 
    radial-gradient(at 0% 0%, rgba(79, 70, 229, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(2, 132, 199, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
}

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

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

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

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-secondary-light);
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

[data-theme="light"] .section-tag {
  color: #0369a1;
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.2);
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  margin-bottom: 0.85rem;
}

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

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-brand);
  color: #ffffff !important;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Dark/Light Logo Visibility
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.15rem 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 0.7rem 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

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

/* Logo container with dark theme inversion filter for crisp contrast */
.header-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: filter var(--transition-fast);
}

[data-theme="dark"] .header-logo-img {
  /* Invert black/navy letters to clean white while preserving orange/blue mark */
  filter: brightness(0) invert(1);
}

[data-theme="light"] .header-logo-img {
  filter: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 0.35rem 0;
  position: relative;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary-light);
  transform: rotate(15deg);
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 0.25rem;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  padding: 2rem 1.5rem;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  box-shadow: var(--shadow-lg);
  transition: right var(--transition-normal);
}

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

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.mobile-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  list-style: none;
}

.drawer-nav .nav-link { font-size: 1.15rem; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 8.5rem;
  padding-bottom: 4.5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
  margin-bottom: 1.25rem;
}

.live-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  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); }
}

.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.14;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.partners-banner-wrap {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.partners-banner-img {
  max-height: 38px;
  width: auto;
  object-fit: contain;
}

.hero-visual-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  animation: float 4s ease-in-out infinite;
}
.floating-badge.badge-top-right { top: -16px; right: -16px; animation-delay: 0s; }
.floating-badge.badge-bottom-left { bottom: -16px; left: -16px; animation-delay: 2s; }

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

.hero-proof-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.proof-avatars {
  display: flex;
  align-items: center;
}

.proof-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  margin-left: -8px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
}
.proof-avatar:first-child { margin-left: 0; }

.proof-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.proof-text strong { color: var(--text-primary); }

/* ==========================================================================
   Metrics Section (Responsive 2x2 Grid on Mobile)
   ========================================================================== */
.counts-section {
  padding: 2.75rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

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

.metric-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  flex-shrink: 0;
}
.metric-icon-wrap.indigo { background: rgba(79, 70, 229, 0.14); color: #818cf8; }
.metric-icon-wrap.amber { background: rgba(245, 158, 11, 0.14); color: #fbbf24; }
.metric-icon-wrap.rose { background: rgba(244, 63, 94, 0.14); color: #fb7185; }
.metric-icon-wrap.emerald { background: rgba(16, 185, 129, 0.14); color: #34d399; }

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.metric-suffix {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--accent-secondary-light);
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* ==========================================================================
   Clients Marquee (High-Contrast White Containers for Perfect Logo Visibility)
   ========================================================================== */
.clients-marquee-container {
  overflow: hidden;
  padding: 1.25rem 0;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.clients-track {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.clients-marquee-container:hover .clients-track { animation-play-state: paused; }

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

/* Clean white pill cards ensure 100% contrast for every single client logo in dark & light modes */
.client-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 74px;
  min-width: 170px;
  padding: 0.65rem 1.35rem;
  background: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-fast);
}

.client-logo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.client-logo-img {
  max-height: 44px;
  max-width: 130px;
  object-fit: contain;
  filter: none !important;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.service-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.service-tab-btn {
  padding: 0.5rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.service-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary-light);
}

.service-tab-btn.active {
  background: var(--grad-brand);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.65rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

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

.service-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
}
.service-icon-box.orange { background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%); }
.service-icon-box.cyan { background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%); }

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.35rem;
  flex-grow: 1;
}

.service-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   About Us Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.about-feature-item:hover { border-color: var(--accent-primary-light); }

.feature-check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
  margin-top: 2px;
}

.mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

.mv-card {
  padding: 1.35rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}
.mv-card:hover { border-color: var(--border-hover); }

.mv-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

/* ==========================================================================
   Certifications Portfolio
   ========================================================================== */
.cert-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.cert-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cert-btn {
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

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

.cert-btn.active {
  background: rgba(79, 70, 229, 0.16);
  color: var(--accent-primary-light);
  border-color: rgba(99, 102, 241, 0.35);
}

.cert-search-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.4rem 1.15rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  min-width: 220px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-fast);
}

.cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-amber);
}

.cert-badge-img-wrap {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-badge-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.cert-card:hover .cert-badge-img {
  transform: scale(1.08);
}

.cert-card h4 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.cert-category-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-secondary-light);
  background: rgba(2, 132, 199, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-top: auto;
}

/* ==========================================================================
   Delivery Methodology Pipeline
   ========================================================================== */
.pipeline-stepper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.pipeline-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.65rem 1.25rem;
  position: relative;
  transition: all var(--transition-fast);
}

.pipeline-step-card:hover,
.pipeline-step-card.active {
  border-color: var(--accent-primary-light);
  transform: translateY(-3px);
}

.pipeline-num-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.14);
  color: var(--accent-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.pipeline-step-card.active .pipeline-num-badge {
  background: var(--grad-brand);
  color: #ffffff;
}

.pipeline-step-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}
.pipeline-step-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ==========================================================================
   Estimator
   ========================================================================== */
.calculator-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.25rem;
  align-items: center;
}

.calc-input-group label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.45rem;
}

.range-slider {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  -webkit-appearance: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary-light);
  cursor: pointer;
}

.calc-result-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  text-align: center;
}

.calc-highlight-number {
  font-family: var(--font-heading);
  font-size: 2.65rem;
  font-weight: 800;
  color: var(--accent-emerald);
  line-height: 1;
  margin: 0.65rem 0 0.25rem 0;
}

.calc-breakdown {
  display: flex;
  justify-content: space-around;
  margin: 1.15rem 0;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.calc-stat-item p { font-size: 0.75rem; margin-bottom: 0.2rem; color: var(--text-secondary); }
.calc-stat-item strong { font-size: 1.05rem; color: var(--text-primary); }

/* ==========================================================================
   Testimonials Slider
   ========================================================================== */
.testimonials-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-slide {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
}
.testimonial-slide.active { display: block; animation: fadeIn 0.4s ease-in-out; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.stars-rating {
  color: var(--accent-amber);
  font-size: 1.15rem;
  margin-bottom: 1.15rem;
}

.testimonial-quote {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-author-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
}

.author-info h4 { font-size: 1rem; margin-bottom: 0.15rem; }
.author-info p { font-size: 0.8rem; color: var(--accent-secondary-light); }

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.slider-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.slider-btn:hover {
  background: var(--grad-brand);
  color: #ffffff;
  border-color: transparent;
}

.slider-dots { display: flex; gap: 0.4rem; }
.dot-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-subtle);
  cursor: pointer;
}
.dot-indicator.active {
  width: 20px;
  border-radius: var(--radius-full);
  background: var(--accent-primary-light);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-search-box {
  max-width: 480px;
  margin: 0 auto 1.85rem auto;
  position: relative;
}

.faq-search-input {
  width: 100%;
  padding: 0.75rem 1.25rem 0.75rem 2.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.faq-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.faq-accordion {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item:hover { border-color: var(--border-hover); }

.faq-header {
  padding: 1.15rem 1.35rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.faq-header h4 { font-size: 1rem; font-weight: 600; }
.faq-icon-chevron { font-size: 1.1rem; transition: transform var(--transition-fast); color: var(--text-muted); }

.faq-item.open .faq-icon-chevron {
  transform: rotate(180deg);
  color: var(--accent-primary-light);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  padding: 0 1.35rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.faq-item.open .faq-body {
  padding-bottom: 1.25rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.contact-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.contact-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(2, 132, 199, 0.14);
  color: var(--accent-secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.contact-card p, .contact-card a { font-size: 0.85rem; color: var(--text-secondary); }

.contact-form-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}
.form-control:focus {
  border-color: var(--accent-primary-light);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.25rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  margin: 0.85rem 0 1.15rem 0;
  font-size: 0.9rem;
  max-width: 300px;
  color: var(--text-secondary);
}

.social-links { display: flex; gap: 0.6rem; }
.social-link-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}
.social-link-btn:hover {
  background: var(--accent-primary-light);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-col h4 { font-size: 1rem; margin-bottom: 1rem; }
.footer-links-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links-list a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.footer-links-list a:hover { color: var(--accent-secondary-light); transform: translateX(3px); }

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Back to Top */
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  z-index: 999;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}
.back-to-top-btn.visible { opacity: 1; visibility: visible; }
.back-to-top-btn:hover {
  background: var(--grad-brand);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-3px);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 2rem;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}
.modal-overlay.active .modal-container { transform: scale(1); }

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.25rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 2500;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast-msg {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
  animation: slideInLeft 0.3s ease-out;
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   Mobile-First Responsiveness Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .pipeline-stepper { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .calc-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-nav-toggle { display: block; }
  .section { padding: 4rem 0; }
  .section-header { margin-bottom: 2.25rem; }
  
  /* 2x2 neat grid for metrics on mobile */
  .metrics-grid { 
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }
  .metric-card {
    padding: 1rem 0.85rem;
    gap: 0.75rem;
  }
  .metric-number { font-size: 1.75rem; }
  .metric-suffix { font-size: 1.25rem; }
  .metric-icon-wrap { width: 40px; height: 40px; font-size: 1.2rem; }

  .services-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
  .pipeline-stepper { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-proof-bar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding-left: 1rem; padding-right: 1rem; }
  .section { padding: 3.5rem 0; }
  .hero-section { padding-top: 7.5rem; padding-bottom: 3.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-cta-group { flex-direction: column; }
  .btn { width: 100%; }
  
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 0.65rem; }
  .metric-card { flex-direction: column; text-align: center; padding: 0.85rem 0.5rem; }
  .metric-icon-wrap { margin-bottom: 0.25rem; }
  
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 0.65rem; }
  .cert-card { padding: 1rem 0.5rem; }
  .cert-badge-img-wrap { width: 64px; height: 64px; }
  .cert-badge-img { width: 56px; height: 56px; }
  .cert-card h4 { font-size: 0.85rem; }

  .calculator-box { padding: 1.25rem; }
  .contact-form-panel { padding: 1.25rem; }
}