/* ==========================================================================
   AD PULSE TECHNOLOGIES - LANDING PAGE DESIGN SYSTEM
   Inspired by Linear, Stripe, Framer, Vercel & Apple
   Mobile-First Optimized with Scroll-Triggered Bottom CTA Bar
   ========================================================================== */

/* 1. CSS VARIABLES & DESIGN TOKENS */
:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --primary-glow: rgba(37, 99, 235, 0.35);
  
  --secondary: #06B6D4;
  --secondary-hover: #0891B2;
  --secondary-light: #ECFEFF;
  
  --accent: #22C55E;
  --accent-hover: #16A34A;
  --accent-light: #DCFCE7;
  
  --dark: #0F172A;
  --dark-card: #1E293B;
  --dark-border: rgba(255, 255, 255, 0.1);
  
  --bg-main: #FFFFFF;
  --card-bg: #F8FAFC;
  --card-border: #E2E8F0;
  
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  
  --font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.12);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. RESET & BASE STYLES */
*, *::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-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  padding-bottom: 85px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button { cursor: pointer; }

/* 3. UTILITY & GLASSMORPHISM CLASSES */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

.badge-accent {
  background: var(--accent-light);
  color: var(--accent-hover);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

/* 4. BUTTON SYSTEM */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
  user-select: none;
  font-size: 0.95rem;
}

.btn-lg {
  padding: 1.1rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #1D4ED8 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(37, 99, 235, 0.55);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--dark);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--card-bg);
  border-color: #CBD5E1;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  transform: translateY(-2px);
}

.btn-pulse::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

/* 5. HEADER & NAVIGATION */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-fast);
  padding: 0.85rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--dark);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  padding: 0.4rem;
}

/* 6. HERO SECTION */
.hero {
  position: relative;
  padding: 7.5rem 0 4rem;
  overflow: hidden;
  background: radial-gradient(100% 100% at 50% 0%, rgba(37, 99, 235, 0.07) 0%, rgba(6, 182, 212, 0.03) 50%, rgba(255, 255, 255, 0) 100%);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.5;
  animation: float-slow 12s ease-in-out infinite alternate;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: rgba(37, 99, 235, 0.2);
  top: -100px;
  right: -50px;
}

.blob-2 {
  width: 300px;
  height: 300px;
  background: rgba(6, 182, 212, 0.18);
  bottom: 0px;
  left: -50px;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -30px) scale(1.08); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge-wrap {
  margin-bottom: 1.25rem;
}

.price-pill {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.08) 0%, rgba(34, 197, 94, 0.08) 100%);
  border: 1px solid rgba(37, 99, 235, 0.25);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.3;
}

.hero-headline {
  font-size: 3.2rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--dark);
  margin-bottom: 1.25rem;
}

.hero-subheading {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--slate-200);
  flex-wrap: wrap;
}

.stars-wrap {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  color: #F59E0B;
}

.trust-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.hero-features-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.hero-pill {
  font-size: 0.78rem;
  background: var(--slate-100);
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* Device Mockup */
.hero-visual { position: relative; }
.mockup-container { position: relative; }

.macbook-frame {
  background: #0F172A;
  border-radius: 16px 16px 0 0;
  padding: 10px 10px 0 10px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.macbook-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 6px;
}

.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.macbook-screen {
  background: #FFFFFF;
  border-radius: 6px 6px 0 0;
  overflow: hidden;
  height: 310px;
  position: relative;
}

.mock-app { height: 100%; display: flex; flex-direction: column; }

.mock-header {
  background: #0F172A;
  color: white;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mock-body {
  padding: 14px;
  background: #F8FAFC;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mock-card {
  background: white;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #E2E8F0;
}

.mock-hero-text {
  height: 10px; width: 75%; background: var(--primary); border-radius: 4px; margin-bottom: 6px;
}

.mock-sub-text {
  height: 6px; width: 90%; background: #CBD5E1; border-radius: 3px; margin-bottom: 10px;
}

.mock-btn {
  height: 20px; width: 45%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 4px;
}

.macbook-base {
  height: 14px; background: #334155; border-radius: 0 0 14px 14px; position: relative;
}

.macbook-base::after {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 50px; height: 4px; background: #1E293B; border-radius: 0 0 4px 4px;
}

/* Floating Overlays */
.floating-card-1 {
  position: absolute;
  top: -15px; left: -20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 24px rgba(0,0,0,0.1);
  border: 1px solid rgba(226,232,240,0.9);
  display: flex; align-items: center; gap: 10px; z-index: 10;
}

.floating-card-2 {
  position: absolute;
  bottom: -15px; right: -15px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  color: white;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; gap: 12px; z-index: 10;
}

/* 7. TRUST BAR */
.trust-bar {
  padding: 2rem 0;
  background: var(--card-bg);
  border-y: 1px solid var(--card-border);
}

.trust-title {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.trust-badges-grid {
  display: flex; align-items: center; justify-content: center; gap: 1.5rem; flex-wrap: wrap;
}

.badge-item {
  display: flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--text-main); font-size: 0.88rem; background: #FFFFFF; padding: 0.5rem 1rem; border-radius: var(--radius-full); border: 1px solid var(--card-border); box-shadow: var(--shadow-sm);
}

/* 8. SECTIONS */
.section { padding: 4.5rem 0; position: relative; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section-subtitle { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary); margin-bottom: 0.5rem; }
.section-title { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em; color: var(--dark); line-height: 1.25; margin-bottom: 0.85rem; }
.section-desc { font-size: 1.02rem; color: var(--text-muted); }

/* 9. WHY CHOOSE US */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.why-card { background: #FFFFFF; border: 1px solid var(--card-border); border-radius: var(--radius-lg); padding: 1.8rem; transition: all var(--transition-fast); }
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, 0.4); }
.icon-box { width: 48px; height: 48px; border-radius: var(--radius-md); background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; }
.why-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--dark); }
.why-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.5; }

/* 10. BENEFITS COMPARISON */
.comparison-container { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: stretch; background: var(--card-bg); padding: 2rem; border-radius: var(--radius-xl); border: 1px solid var(--card-border); }
.comp-box { border-radius: var(--radius-lg); padding: 1.8rem; }
.comp-box-negative { background: #FEF2F2; border: 1px solid #FCA5A5; }
.comp-box-positive { background: #FFFFFF; border: 2px solid var(--primary); box-shadow: var(--shadow-md); position: relative; }
.comp-badge-recommended { position: absolute; top: -12px; right: 20px; background: linear-gradient(90deg, var(--primary), var(--secondary)); color: white; padding: 0.2rem 0.8rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.comp-title { font-size: 1.25rem; font-weight: 800; margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.5rem; }
.comp-list { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.comp-item { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.95rem; }
.comp-item-neg { color: #991B1B; }
.comp-item-pos { color: var(--dark); }
.icon-cross { color: #EF4444; flex-shrink: 0; margin-top: 2px; }
.icon-check { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* 11. SERVICES GRID */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.service-card { background: #FFFFFF; border: 1px solid var(--card-border); border-radius: var(--radius-lg); padding: 2rem 1.75rem; display: flex; flex-direction: column; justify-content: space-between; transition: all var(--transition-fast); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.service-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.service-price { font-size: 0.8rem; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 0.35rem 0.75rem; border-radius: var(--radius-full); }
.service-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 0.6rem; }
.service-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 1.25rem; }
.service-features { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.service-features li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; color: var(--text-main); }

/* 12. PORTFOLIO CARDS */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.portfolio-card { background: #FFFFFF; border-radius: var(--radius-lg); border: 1px solid var(--card-border); overflow: hidden; transition: all var(--transition-smooth); }
.portfolio-preview { height: 210px; background: #0F172A; position: relative; }
.portfolio-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15, 23, 42, 0.65); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; gap: 0.75rem; opacity: 0; transition: opacity var(--transition-fast); }
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-body { padding: 1.25rem; }
.portfolio-category { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; color: var(--primary); margin-bottom: 0.3rem; }
.portfolio-title { font-size: 1.15rem; font-weight: 700; color: var(--dark); margin-bottom: 0.5rem; }

/* 13. TIMELINE */
.timeline { position: relative; max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.timeline-step { text-align: center; }
.step-number { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: white; font-size: 1.1rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3); }
.timeline-step h4 { font-size: 0.98rem; font-weight: 700; margin-bottom: 0.3rem; color: var(--dark); }
.timeline-step p { font-size: 0.82rem; color: var(--text-muted); }

/* 14. TESTIMONIALS */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.testimonial-card { background: #FFFFFF; border-radius: var(--radius-lg); border: 1px solid var(--card-border); padding: 1.75rem; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; justify-content: space-between; }
.google-badge { display: flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; font-weight: 600; color: var(--text-muted); margin-bottom: 0.85rem; }
.testimonial-text { font-size: 0.94rem; color: var(--text-main); line-height: 1.55; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.85rem; }
.author-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--primary); font-size: 0.9rem; }
.author-info h5 { font-size: 0.95rem; font-weight: 700; color: var(--dark); }
.author-info p { font-size: 0.8rem; color: var(--text-muted); }

/* 15. FAQ ACCORDION */
.faq-container { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.85rem; }
.faq-item { background: #FFFFFF; border: 1px solid var(--card-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-item.active { border-color: var(--primary); }
.faq-question { width: 100%; padding: 1.1rem 1.25rem; background: none; display: flex; align-items: center; justify-content: space-between; font-size: 1rem; font-weight: 700; color: var(--dark); text-align: left; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 1.25rem; color: var(--text-muted); font-size: 0.92rem; line-height: 1.55; }
.faq-item.active .faq-answer { max-height: 200px; padding: 0 1.25rem 1.1rem 1.25rem; }
.faq-icon { transition: transform 0.3s ease; }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--primary); }

/* 16. POPUP CONTACT MODAL SYSTEM */
.contact-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 15000;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  overflow-y: auto;
}

.contact-modal-overlay.active {
  display: flex;
  animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  0% { opacity: 0; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

.contact-modal-card {
  background: rgba(30, 41, 59, 0.98);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  width: 100%;
  max-width: 520px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  color: #FFFFFF;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #94A3B8;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.form-header { margin-bottom: 1.5rem; text-align: center; }
.form-header h3 { font-size: 1.6rem; font-weight: 800; color: #FFFFFF; margin-bottom: 0.3rem; }
.form-header p { font-size: 0.9rem; color: var(--text-light); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: #E2E8F0; }
.form-group label span { color: #EF4444; }
.form-input, .form-select, .form-textarea { width: 100%; padding: 0.85rem 1rem; background: rgba(15, 23, 42, 0.85); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: var(--radius-md); color: #FFFFFF; font-size: 0.92rem; transition: all var(--transition-fast); }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3); }
.form-input::placeholder, .form-textarea::placeholder { color: #64748B; }
.form-select option { background: #0F172A; color: #FFFFFF; }
.error-text { color: #F87171; font-size: 0.78rem; font-weight: 500; display: none; }

/* 17. FOOTER STYLING & PERFECT TEXT PLACEMENT */
.footer {
  background: #020617;
  color: #94A3B8;
  padding: 4rem 0 3.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.1fr 1.3fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links li {
  line-height: 1.5;
}

.footer-links a {
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* 18. FLOATING WHATSAPP BUTTON */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 95px;
  right: 18px;
  width: 54px;
  height: 54px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.5);
  z-index: 9999;
  transition: transform var(--transition-fast);
}

.floating-whatsapp-btn:hover {
  transform: scale(1.08);
}

/* 19. PREMIUM MOBILE FIXED BOTTOM FORM CTA BAR (SCROLL TRIGGERED) */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1rem;
  z-index: 10000;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);
  box-sizing: border-box;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sticky-bar.visible {
  transform: translateY(0);
}

.mobile-sticky-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
}

.mobile-sticky-btn:active {
  transform: scale(0.98);
}

/* 20. MOBILE RESPONSIVE BREAKPOINTS */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .comparison-container { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .hero { padding: 5.5rem 0 3rem; }
  .hero-headline { font-size: 2rem; line-height: 1.2; }
  .hero-subheading { font-size: 0.98rem; margin-bottom: 1.25rem; }
  .price-pill { font-size: 0.78rem; padding: 0.35rem 0.75rem; text-align: center; }
  .section-title { font-size: 1.75rem; }
  .nav-links, .header-cta { display: none; }
  .mobile-menu-btn { display: block; }
  
  .mobile-sticky-bar { display: block; }
  .floating-whatsapp-btn { bottom: 95px; right: 16px; width: 50px; height: 50px; }

  .form-row { grid-template-columns: 1fr; gap: 0; }
  .why-grid, .services-grid, .portfolio-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .floating-card-1 { top: -10px; left: -5px; padding: 8px 10px; font-size: 0.75rem; }
  .floating-card-2 { bottom: -10px; right: -5px; padding: 8px 12px; font-size: 0.75rem; }
  .macbook-screen { height: 240px; }

  .footer { padding-bottom: 110px; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.85rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 0.9rem; }
  .hero-headline { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .contact-modal-card { padding: 1.75rem 1.25rem; }
}