/* ==========================================================================
   LYNX CREATION - Ultra Modern Dark Theme with #00bba7 Accent
   Full-Spectrum IT Partner & Software Engineering Architecture
   ========================================================================== */

/* 1. CSS Variables & Design Tokens */
:root {
  --bg-darkest: #05070A;
  --bg-body: #07090E;
  --bg-surface: #0E121A;
  --bg-card: #121722;
  --bg-card-hover: #161D2B;
  --bg-glass: rgba(14, 18, 26, 0.75);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(0, 187, 167, 0.45);
  
  --text-white: #FFFFFF;
  --text-silver: #E2E8F0;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --accent: #00bba7;
  --accent-light: #2ee6d2;
  --accent-dark: #008f80;
  --accent-dim: rgba(0, 187, 167, 0.12);
  --accent-glow: 0 0 30px rgba(0, 187, 167, 0.35);
  --accent-glow-sm: 0 0 15px rgba(0, 187, 167, 0.25);
  
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  --container-max: 1240px;
}

/* 2. Reset & Global Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-body);
  color: var(--text-silver);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Selection */
::selection {
  background: var(--accent);
  color: #000000;
}

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

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

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

/* 3. Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.text-accent {
  color: var(--accent);
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* Background Ambient Lighting & Cyber Grid */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.18;
  pointer-events: none;
}

.glow-orb-1 {
  top: -10%;
  left: 15%;
  width: 550px;
  height: 550px;
  background: var(--accent);
}

.glow-orb-2 {
  top: 40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: #00776b;
  opacity: 0.12;
}

.glow-orb-3 {
  bottom: 10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: var(--accent);
  opacity: 0.15;
}

/* Section Header Titles */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 18px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 4. Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 14px 0;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: #05070A;
  box-shadow: var(--accent-glow-sm);
}

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-white);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

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

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

/* Mobile Nav Menu Drawer (Hidden by default on Desktop) */
.nav-menu-mobile {
  display: none;
}


/* 5. Hero Section */
.hero-section {
  padding-top: 170px;
  padding-bottom: 90px;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(0, 187, 167, 0.08);
  border: 1px solid rgba(0, 187, 167, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: 28px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.pulse-indicator {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.pulse-indicator::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
  animation: pulse-wave 2s infinite;
}

@keyframes pulse-wave {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 38px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* Live Stats Grid Bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.stat-item {
  text-align: center;
  padding: 8px 12px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-subtle);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-number span {
  color: var(--accent);
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 6. Infinite Client Logos Marquee & Client Badges */
.clients-section {
  padding: 60px 0 50px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(14, 18, 26, 0.55);
  position: relative;
  z-index: 1;
}

.clients-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.marquee-container {
  overflow: hidden;
  user-select: none;
  position: relative;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 32px;
  width: max-content;
  animation: scroll-marquee 35s linear infinite;
  padding: 10px 0;
}

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

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

.client-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: #0E131C;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  height: 76px;
  min-width: 160px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.client-logo-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 187, 167, 0.3);
  transform: translateY(-3px) scale(1.02);
  background: #131A26;
}

.client-logo-img {
  max-height: 48px;
  max-width: 150px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0.95) contrast(1.05);
  transition: filter var(--transition-fast);
}

.client-logo-item:hover .client-logo-img {
  filter: brightness(1.1) contrast(1.1);
}

/* Featured Client Showcase Grid (Mobile Friendly Cards) */
.client-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all var(--transition-normal);
}

.showcase-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
}

.showcase-logo-box {
  width: 70px;
  height: 70px;
  background: #090C12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  flex-shrink: 0;
}

.showcase-logo-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.showcase-info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

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

/* 7. The "IT Partner" Co-Pilot Comparison Model */
.partner-section {
  position: relative;
  z-index: 1;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
  align-items: stretch;
}

.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 38px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.comparison-card.highlighted {
  background: linear-gradient(180deg, #16202E 0%, #0E141E 100%);
  border: 2px solid var(--accent);
  box-shadow: 0 20px 40px rgba(0, 187, 167, 0.15);
  transform: scale(1.03);
  z-index: 2;
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #05070A;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(0, 187, 167, 0.4);
}

.card-top {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-grow: 1;
  margin-bottom: 30px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
}

.feature-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item.bad .feature-icon {
  color: #EF4444;
}

.feature-item.good .feature-icon {
  color: var(--accent);
}

/* 8. Core Capabilities Bento Grid */
.services-section {
  position: relative;
  z-index: 1;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

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

.col-span-8 { grid-column: span 8; }
.col-span-4 { grid-column: span 4; }
.col-span-6 { grid-column: span 6; }
.col-span-12 { grid-column: span 12; }

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 22px;
}

.service-title {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

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

.tag-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-silver);
}

.bento-card:hover .tag-pill {
  border-color: rgba(0, 187, 167, 0.25);
  color: var(--text-white);
}

/* 9. The 4-Step Partnership Workflow */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  position: relative;
  transition: all var(--transition-normal);
}

.process-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.process-step-num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.08);
  line-height: 1;
  margin-bottom: 14px;
  transition: color var(--transition-fast);
}

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

.process-card-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.process-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 10. Interactive WhatsApp Project / Consultation Estimator */
.estimator-section {
  position: relative;
  z-index: 1;
}

.estimator-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), var(--accent-glow-sm);
  max-width: 980px;
  margin: 0 auto;
}

.step-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}

.estimator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.choice-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
}

.choice-chip input {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.choice-chip:hover {
  border-color: rgba(0, 187, 167, 0.4);
  background: rgba(0, 187, 167, 0.05);
}

.choice-chip.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--text-white);
  box-shadow: var(--accent-glow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

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

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

.form-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-white);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 187, 167, 0.15);
}

.live-preview-box {
  background: #090D13;
  border: 1px dashed rgba(0, 187, 167, 0.35);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 28px;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.preview-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.preview-text {
  font-family: monospace;
  font-size: 0.88rem;
  color: var(--text-silver);
  white-space: pre-wrap;
  line-height: 1.5;
}

/* 11. FAQ Accordion */
.faq-section {
  position: relative;
  z-index: 1;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  background: transparent;
  color: var(--text-white);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--accent);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

/* 12. Final High-Impact CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, #101824 0%, #06090F 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 70px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), var(--accent-glow-sm);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, var(--accent) 0%, transparent 70%);
  opacity: 0.15;
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  margin-bottom: 18px;
}

.cta-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

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

/* 13. Footer */
.footer {
  background: #040609;
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 18px;
  line-height: 1.7;
  max-width: 320px;
}

.footer-heading {
  font-size: 1rem;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.footer-contact-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

/* 14. Floating WhatsApp Quick Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.whatsapp-bubble {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.whatsapp-bubble:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-bubble::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid #25D366;
  opacity: 0.7;
  animation: pulse-ring 2.2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

.whatsapp-tooltip {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  color: var(--text-white);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  animation: bounce-horizontal 2.5s infinite;
}

@keyframes bounce-horizontal {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-6px); }
}

/* Toast Message Notification */
.toast-notice {
  position: fixed;
  top: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text-white);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), var(--accent-glow-sm);
  z-index: 2000;
  transform: translateY(-100px);
  opacity: 0;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 600;
}

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

/* 15. Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  .comparison-card.highlighted {
    transform: none;
  }
  .col-span-8, .col-span-4, .col-span-6 {
    grid-column: span 12;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-outline {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .nav-menu-mobile {
    display: flex;
    position: fixed;
    top: 74px;
    left: 0;
    width: 100%;
    background: rgba(7, 9, 14, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px 24px;
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    gap: 20px;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }
  
  .nav-menu-mobile.active {
    transform: translateY(0);
  }
  
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    padding: 18px;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .estimator-wrapper {
    padding: 24px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .whatsapp-tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding-top: 130px;
    padding-bottom: 50px;
  }
  
  .hero-title {
    font-size: 2.1rem;
    line-height: 1.15;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 28px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
  }
  
  .stat-item::after {
    display: none !important;
  }
  
  .stat-number {
    font-size: 1.85rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .bento-card {
    padding: 24px 20px;
  }
  
  .estimator-wrapper {
    padding: 20px 16px;
  }
  
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-banner {
    padding: 40px 20px;
  }
  
  .cta-title {
    font-size: 1.75rem;
  }
  
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-bubble {
    width: 52px;
    height: 52px;
  }
}