/* ========================================
   RandevuBot Landing Page
   ======================================== */

/* Design System Tokens */
:root {
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-500: #3b82f6;
  --blue-100: #dbeafe;
  --blue-50: #eff6ff;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --green-600: #059669;
  --amber-400: #f59e0b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 36px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-blue: 0 4px 16px rgba(37,99,235,0.25);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1e293b;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
  border: none;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: #1d4ed8;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #2563eb;
  border: 2px solid #2563eb;
}

.btn-secondary:hover {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.btn-outline {
  background: transparent;
  color: #2563eb;
  border: 2px solid #2563eb;
}

.btn-outline:hover {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.btn-lg {
  padding: 16px 44px;
  font-size: 1.125rem;
  border-radius: 10px;
}

/* Section Titles */
.section-title {
  font-family: 'Outfit', 'DM Sans', sans-serif;
  font-size: clamp(1.625rem, 4vw, 2.25rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 10px;
  color: #1e293b;
  letter-spacing: -0.02em;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-500));
  border-radius: 2px;
  margin: 16px auto 0;
}

.section-sub {
  text-align: center;
  color: #64748b;
  font-size: 1.125rem;
  margin-bottom: 52px;
  line-height: 1.7;
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: 'Outfit', 'DM Sans', sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: #2563eb;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: #475569;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #2563eb;
}

.nav-cta {
  background: #2563eb;
  color: #ffffff !important;
  padding: 8px 20px;
  border-radius: 6px;
  transition: background-color 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: #1d4ed8 !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.nav-cta-dark {
  background: #1e293b !important;
}

.nav-cta-dark:hover {
  background: #334155 !important;
  box-shadow: 0 2px 8px rgba(30, 41, 59, 0.3);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #1e293b;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero
   ======================================== */
.hero {
  padding: 130px 0 80px;
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 50%, #eff6ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-family: 'Outfit', 'DM Sans', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  color: #1e293b;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 1.2rem;
  color: #475569;
  margin-bottom: 24px;
  line-height: 1.7;
  max-width: 520px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #475569;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Phone mockup */
.phone-mockup {
  background: #1e293b;
  border-radius: 36px;
  padding: 12px;
  max-width: 340px;
  margin: 0 auto;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.18), 0 8px 16px rgba(0, 0, 0, 0.08);
  position: relative;
}

.phone-notch {
  width: 120px;
  height: 24px;
  background: #1e293b;
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.phone-screen {
  background: #e5ddd5;
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat-header {
  background: #075e54;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 28px;
}

.chat-header-avatar {
  width: 32px;
  height: 32px;
  background: #128c7e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
}

.chat-header-info {
  display: flex;
  flex-direction: column;
}

.chat-header-name {
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
}

.chat-header-status {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.6875rem;
}

.chat-body {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 380px;
}

.chat-bubble {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8125rem;
  line-height: 1.4;
  max-width: 88%;
  position: relative;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.chat-bubble.show {
  opacity: 1;
  transform: translateY(0);
}

.chat-bubble.hide {
  opacity: 0;
  transform: translateY(0);
  transition: opacity 0.3s ease;
}

/* Typing indicator */
.typing-indicator {
  display: none;
  align-self: flex-end;
  background: #dcf8c6;
  padding: 12px 18px;
  border-radius: 8px;
  border-bottom-right-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  gap: 4px;
  align-items: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.typing-indicator.show {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 50%;
  animation: typingDot 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.35; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.chat-incoming {
  background: #ffffff;
  align-self: flex-start;
  border-top-left-radius: 0;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.chat-outgoing {
  background: #dcf8c6;
  align-self: flex-end;
  border-top-right-radius: 0;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

/* ========================================
   Stats Bar
   ======================================== */
.stats-bar {
  padding: 48px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* ========================================
   Features
   ======================================== */
.features {
  padding: 96px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 36px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.1);
  border-color: transparent;
  background: linear-gradient(#ffffff, #ffffff) padding-box,
              linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(59, 130, 246, 0.1)) border-box;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2563eb;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #1e293b;
}

.feature-card p {
  color: #64748b;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials {
  padding: 96px 0;
  background: #f8fafc;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 32px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1.125rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-text {
  margin-bottom: 24px;
}

.testimonial-text p {
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2563eb;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-info strong {
  color: #1e293b;
  font-size: 0.9375rem;
}

.testimonial-info span {
  color: #94a3b8;
  font-size: 0.8125rem;
}

/* ========================================
   How It Works
   ======================================== */
.how-it-works {
  padding: 96px 0;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}

.step {
  text-align: center;
  flex: 1;
  max-width: 280px;
  background: #ffffff;
  border-radius: 14px;
  padding: 36px 24px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.step-number {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: #ffffff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.step-icon {
  color: #2563eb;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #1e293b;
}

.step p {
  color: #64748b;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.step-connector {
  color: #cbd5e1;
  flex-shrink: 0;
  align-self: center;
  margin-top: 20px;
}

/* ========================================
   Pricing
   ======================================== */
.pricing {
  padding: 96px 0;
  background: #f8fafc;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 40px 32px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}

@keyframes subtleGlow {
  0%, 100% { box-shadow: 0 16px 48px rgba(37, 99, 235, 0.15); }
  50% { box-shadow: 0 16px 48px rgba(37, 99, 235, 0.25); }
}

.pricing-popular {
  border: 2px solid #2563eb;
  transform: scale(1.05);
  box-shadow: 0 16px 48px rgba(37, 99, 235, 0.15);
  z-index: 1;
  animation: subtleGlow 3s ease-in-out infinite;
}

.pricing-popular:hover {
  transform: scale(1.07) translateY(-4px);
  box-shadow: 0 20px 56px rgba(37, 99, 235, 0.22);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: #ffffff;
  padding: 5px 22px;
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.pricing-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
}

.pricing-amount {
  margin-bottom: 32px;
}

.pricing-amount .price {
  font-size: 3.25rem;
  font-weight: 800;
  color: #1e293b;
  line-height: 1;
  letter-spacing: -0.02em;
}

.pricing-amount .currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: #64748b;
  margin-left: 2px;
}

.pricing-amount .period {
  font-size: 1rem;
  color: #94a3b8;
}

.pricing-features {
  list-style: none;
  margin-bottom: 36px;
  text-align: left;
}

.pricing-features li {
  padding: 11px 0;
  color: #475569;
  font-size: 0.9375rem;
  border-bottom: 1px solid #f1f5f9;
  padding-left: 32px;
  position: relative;
  line-height: 1.5;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: #ecfdf5;
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 6l2 2 4-4' stroke='%23059669' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-card .btn {
  width: 100%;
  padding: 14px 28px;
}

.pricing-note {
  text-align: center;
  color: #94a3b8;
  font-size: 0.875rem;
  margin-top: 36px;
}

/* ========================================
   FAQ
   ======================================== */
.faq {
  padding: 96px 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e2e8f0;
}

.faq-item:first-child {
  border-top: 1px solid #e2e8f0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #1e293b;
  gap: 16px;
  font-family: inherit;
  transition: color 0.2s ease;
  min-height: 44px;
}

.faq-question:hover {
  color: #2563eb;
}

.faq-question:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
  border-radius: 4px;
}

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.35s ease;
  color: #94a3b8;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #2563eb;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 22px;
}

.faq-answer p {
  color: #64748b;
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ========================================
   Trust Section
   ======================================== */
.trust-section {
  padding: 96px 0;
  background: #ffffff;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.trust-card {
  text-align: center;
  padding: 32px 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.trust-icon {
  color: #2563eb;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-card strong {
  color: #1e293b;
  font-size: 0.9375rem;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #2563eb 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1875rem;
  margin-bottom: 40px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-section .btn-primary {
  background: #ffffff;
  color: #2563eb;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
  background: #f0f5ff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid #e2e8f0;
  background: #ffffff;
}

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

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 12px;
}

.footer-desc {
  color: #64748b;
  font-size: 0.9375rem;
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-copy {
  color: #94a3b8;
  font-size: 0.8125rem;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #64748b;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #2563eb;
}

/* ========================================
   Floating WhatsApp Button
   ======================================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #25d366;
  z-index: -1;
  animation: whatsappPulse 2s ease-out infinite;
}

@keyframes whatsappPulse {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ========================================
   Focus Styles for Keyboard Accessibility
   ======================================== */
button:focus-visible,
a:focus-visible,
.btn:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ========================================
   Prefers Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float::after {
    animation: none;
  }

  .chat-bubble {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .typing-indicator {
    display: none !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========================================
   Responsive - Tablet (1024px)
   ======================================== */
@media (max-width: 1024px) {
  .hero-inner {
    gap: 48px;
  }

  .pricing-grid {
    gap: 20px;
  }

  .pricing-popular {
    transform: scale(1.03);
  }

  .pricing-popular:hover {
    transform: scale(1.05) translateY(-4px);
  }

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

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

  .testimonials-grid .testimonial-card:last-child {
    grid-column: 1 / -1;
    max-width: 420px;
    margin: 0 auto;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ========================================
   Responsive - Mobile (768px)
   ======================================== */
@media (max-width: 768px) {
  /* Navbar */
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid #e2e8f0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 1rem;
    padding: 4px 0;
  }

  .nav-cta {
    text-align: center;
    display: block;
    padding: 12px 20px;
  }

  /* Hero */
  .hero {
    padding: 100px 0 48px;
  }

  .hero::before {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-sub {
    font-size: 1.0625rem;
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .phone-mockup {
    max-width: 300px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  /* Sections */
  .section-title {
    font-size: 1.625rem;
  }

  .section-sub {
    font-size: 1rem;
    margin-bottom: 36px;
  }

  /* Features */
  .features {
    padding: 64px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 28px;
  }

  /* Testimonials */
  .testimonials {
    padding: 64px 0;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .testimonials-grid .testimonial-card:last-child {
    max-width: none;
  }

  .testimonial-card {
    padding: 24px;
  }

  /* Steps */
  .how-it-works {
    padding: 64px 0;
  }

  .steps {
    flex-direction: column;
    gap: 16px;
  }

  .step {
    max-width: 100%;
    padding: 28px 20px;
  }

  .step-connector {
    transform: rotate(90deg);
    margin-top: 0;
  }

  /* Pricing */
  .pricing {
    padding: 64px 0;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-popular {
    transform: none;
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.15);
  }

  .pricing-popular:hover {
    transform: translateY(-4px);
  }

  .pricing-card {
    padding: 32px 28px;
  }

  /* FAQ */
  .faq {
    padding: 64px 0;
  }

  .faq-question {
    padding: 18px 0;
    font-size: 1rem;
  }

  /* Trust */
  .trust-section {
    padding: 64px 0;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* CTA */
  .cta-section {
    padding: 64px 0;
  }

  .cta-section::before,
  .cta-section::after {
    display: none;
  }

  .cta-inner h2 {
    font-size: 1.75rem;
  }

  .cta-inner p {
    font-size: 1.0625rem;
    margin-bottom: 32px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer-col ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .footer-col ul li {
    margin-bottom: 0;
  }

  /* WhatsApp Float */
  .whatsapp-float {
    bottom: 16px;
    right: 16px;
    width: 54px;
    height: 54px;
  }
}

/* ========================================
   Responsive - Small Mobile (480px)
   ======================================== */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 88px 0 40px;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .hero-trust {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .feature-card {
    padding: 24px;
  }

  .step {
    padding: 24px 16px;
  }

  .pricing-card {
    padding: 28px 20px;
  }

  .pricing-amount .price {
    font-size: 2.5rem;
  }

  .trust-card {
    padding: 24px 16px;
  }

  .cta-inner h2 {
    font-size: 1.5rem;
  }

  .footer-grid {
    text-align: center;
  }

  .footer-col {
    align-items: center;
  }
}