/* Kaissa Global - Main Stylesheet */

:root {
  --primary: #1976d2;
  --primary-dark: #1565c0;
  --secondary: #00bcd4;
  --accent: #ff4081;
  --dark: #1a1a2e;
  --darker: #16213e;
  --light: #f5f5f5;
  --white: #ffffff;
  --text: #333333;
  --text-light: #666666;
  --gradient: linear-gradient(135deg, #1976d2 0%, #00bcd4 100%);
  --shadow: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  font-size: 1.2rem;
}

.logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.btn-primary {
  background: var(--gradient);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 500;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--dark);
}

/* Hero Section */
.hero {
  padding: 140px 0 80px;
  background: var(--gradient);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: rgba(255,255,255,0.05);
  transform: rotate(-15deg);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.btn-light {
  background: var(--white);
  color: var(--primary);
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s;
}

.btn-outline {
  background: transparent;
  color: var(--white);
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--white);
  transition: all 0.3s;
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}

.hero-image {
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-light {
  background: var(--light);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.section-title p {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card .icon {
  width: 80px;
  height: 80px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 36px;
  color: var(--white);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.service-card p {
  color: var(--text-light);
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature {
  text-align: center;
}

.feature .icon {
  font-size: 48px;
  color: var(--secondary);
  margin-bottom: 20px;
}

.feature h3 {
  margin-bottom: 10px;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border: 3px solid var(--primary);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: 20px;
  right: -30px;
  background: var(--accent);
  color: white;
  padding: 5px 40px;
  font-size: 12px;
  transform: rotate(45deg);
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.pricing-card .price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin: 20px 0;
}

.pricing-card .price span {
  font-size: 1rem;
  color: var(--text-light);
}

.pricing-card ul {
  list-style: none;
  margin: 30px 0;
}

.pricing-card ul li {
  padding: 10px 0;
  border-bottom: 1px solid var(--light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-card ul li .mdi {
  color: var(--secondary);
}

.pricing-card .btn-primary {
  display: block;
  text-align: center;
  width: 100%;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--light);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background: var(--darker);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}

.footer-logo img {
  height: 40px;
}

.footer-col h4 {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-col p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  transition: background 0.3s;
}

.social-links a:hover {
  background: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
}

/* Chat Widget */
.chat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 28px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  transition: transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-fab:hover {
  transform: scale(1.1);
}

.chat-drawer {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 360px;
  height: 500px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.chat-drawer.active {
  display: flex;
}

.chat-header {
  background: var(--gradient);
  color: var(--white);
  padding: 15px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header img {
  width: 32px;
  height: 32px;
}

.chat-header span {
  flex: 1;
  font-weight: 600;
}

.chat-close {
  background: none;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: var(--light);
}

.message {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 16px;
  margin-bottom: 12px;
  word-wrap: break-word;
}

.message p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

.message.user {
  background: var(--primary);
  color: var(--white);
  margin-left: auto;
  border-bottom-right-radius: 4px;
}

.message.assistant {
  background: var(--white);
  color: var(--text);
  margin-right: auto;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.quick-replies {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-reply {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 6px 12px;
  border-radius: 15px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s;
}

.quick-reply:hover {
  background: var(--primary);
  color: var(--white);
}

.chat-input {
  padding: 15px;
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--light);
}

.chat-input input {
  flex: 1;
  padding: 10px 15px;
  border: 2px solid var(--light);
  border-radius: 20px;
  font-family: inherit;
  outline: none;
}

.chat-input input:focus {
  border-color: var(--primary);
}

.chat-input button {
  width: 44px;
  height: 44px;
  background: var(--gradient);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.typing {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
}

.typing span {
  width: 8px;
  height: 8px;
  background: #888;
  border-radius: 50%;
  animation: typing 1s infinite;
}

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

@keyframes typing {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Page Header */
.page-header {
  padding: 140px 0 60px;
  background: var(--gradient);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.page-header p {
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    display: none;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

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

  .chat-drawer {
    width: calc(100% - 48px);
    right: 24px;
    left: 24px;
  }

  .pricing-card.featured {
    transform: none;
  }
}