/* ==========================================================================
   NEXUS Webcraft Studio - Master Design System
   Sleek Dark Mode, Glassmorphism, Neon Glow & High Conversion UI
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette - HSL Tailored Dark Theme */
  --bg-primary: #07090E;
  --bg-secondary: #0E131F;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(28, 37, 58, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --accent-cyan: #06B6D4;
  --accent-blue: #3B82F6;
  --accent-purple: #8B5CF6;
  --accent-pink: #EC4899;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;

  /* Gradients */
  --gradient-glow: linear-gradient(135deg, #06B6D4 0%, #3B82F6 50%, #8B5CF6 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
  --gradient-text: linear-gradient(135deg, #FFFFFF 30%, #94A3B8 100%);
  --gradient-accent-text: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);
  --gradient-emerald-text: linear-gradient(135deg, #34D399 0%, #059669 100%);

  /* Borders & Glows */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.4);
  --glow-cyan: 0 0 25px rgba(6, 182, 212, 0.3);
  --glow-blue: 0 0 35px rgba(59, 130, 246, 0.35);
  --glow-purple: 0 0 30px rgba(139, 92, 246, 0.3);

  /* Fonts & Shadows */
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 45%, rgba(139, 92, 246, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Background Grid Pattern */
.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

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

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

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-glow);
  color: #FFFFFF;
  box-shadow: var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(59, 130, 246, 0.6), 0 0 15px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-light);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #10B981;
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.btn-whatsapp:hover {
  background: #059669;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.5);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
}

.btn-full {
  width: 100%;
}

/* Header & Navigation Bar */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-fast);
  padding: 1.25rem 0;
}

.header.scrolled {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.85rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: var(--glow-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

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

/* Badge Component */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(6, 182, 212, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* Hero Section */
.hero {
  padding: 10rem 0 6rem;
  position: relative;
  text-align: center;
}

.hero-content {
  max-width: 880px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 900;
  margin: 1.25rem 0;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

/* Stats Counter Grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
}

.stat-item {
  text-align: center;
}

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

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin: 0.75rem 0 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* AI Consultant Section */
.ai-section {
  padding: 5rem 0;
  position: relative;
}

.ai-card {
  background: linear-gradient(145deg, rgba(14, 19, 31, 0.9) 0%, rgba(22, 32, 53, 0.8) 100%);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--glow-blue), var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-glow);
}

.ai-input-wrapper {
  margin-top: 2rem;
}

.ai-textarea {
  width: 100%;
  background: rgba(7, 9, 14, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  resize: vertical;
  min-height: 120px;
  transition: var(--transition-fast);
  outline: none;
}

.ai-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

.ai-prompt-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.prompt-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.prompt-tag:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* AI Output Box */
.ai-output-box {
  display: none;
  margin-top: 2rem;
  background: rgba(7, 9, 14, 0.9);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: left;
}

.ai-output-box.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.ai-brief-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.brief-info-card {
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.brief-info-card h4 {
  font-size: 0.875rem;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
}

.brief-info-card p {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.ai-actions-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Spinner Loader */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Services Grid */
.services-section {
  padding: 6rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-active);
  box-shadow: var(--glow-blue);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon {
  background: var(--gradient-glow);
  color: #FFFFFF;
  box-shadow: var(--glow-cyan);
}

.service-title {
  font-size: 1.4rem;
  margin-bottom: 0.85rem;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.service-feature-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* Portfolio Section */
.portfolio-section {
  padding: 6rem 0;
}

.portfolio-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-glow);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: var(--glow-cyan);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
}

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

.portfolio-img-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #111827;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 9, 14, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: var(--transition-fast);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.portfolio-tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-cyan);
}

.portfolio-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.portfolio-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Process Timeline Section */
.workflow-section {
  padding: 6rem 0;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.75rem;
  position: relative;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  position: relative;
  backdrop-filter: blur(10px);
}

.workflow-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 1rem;
}

.workflow-title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

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

/* Pricing Section */
.pricing-section {
  padding: 6rem 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(22, 32, 53, 0.95) 0%, rgba(14, 19, 31, 0.9) 100%);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan), var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-glow);
  color: #FFFFFF;
  padding: 0.3rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: var(--glow-blue);
}

.pricing-header h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  margin: 1.5rem 0;
}

.price-currency {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 2rem 0;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.925rem;
  color: var(--text-secondary);
}

.pricing-feature-item svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* Testimonials Section */
.testimonials-section {
  padding: 6rem 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.testimonial-stars {
  color: var(--accent-amber);
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.testimonial-quote {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #FFFFFF;
}

.author-name {
  font-weight: 700;
  font-size: 1rem;
}

.author-role {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-section {
  padding: 6rem 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.faq-question {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-toggle-icon {
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Lead Contact Modal & Direct Form */
.contact-section {
  padding: 6rem 0;
}

.contact-card {
  background: linear-gradient(135deg, rgba(14, 19, 31, 0.9) 0%, rgba(22, 32, 53, 0.8) 100%);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  background: rgba(7, 9, 14, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
}

/* Floating WhatsApp Quick Action Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  background: #10B981;
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(16, 185, 129, 0.6);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Footer */
.footer {
  background: rgba(7, 9, 14, 0.95);
  border-top: 1px solid var(--border-light);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

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

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

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .contact-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .pricing-card.featured {
    transform: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}