/* 
* CloudSketcher - Main Stylesheet
* A modern, responsive design for cloud architecture diagramming tool
*/

/* ==================== 
   CSS Variables
====================== */
:root {
  --primary: #1486d1;
  --secondary: #cd35dd;
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
  --dark: #212529;
  --light: #f8f9fa;
  --white: #ffffff;
  --gray: #6c757d;
  --gray-light: #f5f7fa;
  --border-radius: 10px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* ==================== 
 Global Styles
====================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  overflow-x: hidden;
  background-color: var(--white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
  position: relative;
}

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

a:hover {
  color: var(--secondary);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 15px;
}

p {
  margin-bottom: 15px;
  color: var(--gray);
}

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

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
  color: var(--primary);
}

.section-header h2::after {
  content: '';
  display: block;
  width: 70px;
  height: 4px;
  background: var(--gradient);
  margin: 15px auto 0;
  border-radius: 2px;
}

.section-header p {
  font-size: 1.1rem;
}

.subtitle {
  display: block;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1rem;
}

/* ==================== 
 Buttons
====================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn i {
  margin-left: 8px;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 5px 15px rgba(205, 53, 221, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(205, 53, 221, 0.4);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid  #1486d1;
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(20, 134, 209, 0.3);
}

/* ==================== 
 Navigation
====================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  background-color: var(--white);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

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

.logo img {
  height: 45px;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-menu li {
  margin-left: 25px;
}

.nav-menu li a {
  color: var(--dark);
  font-weight: 500;
  padding: 10px 0;
  position: relative;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

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

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--primary);
  position: absolute;
  transition: var(--transition);
}

.menu-toggle span:nth-child(1) {
  top: 0;
}

.menu-toggle span:nth-child(2) {
  top: 9px;
}

.menu-toggle span:nth-child(3) {
  top: 18px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 9px;
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 9px;
}

/* ==================== 
 Hero Section
====================== */
.hero {
  background: var(--gradient);
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  position: relative;
  padding: 150px 0 100px;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--white);
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.device-note {
  font-size: 0.9rem;
  opacity: 0.8;
  font-style: italic;
}

.hero-cta {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.hero-image {
  flex: 1;
  max-width: 550px;
}

.slider-container {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.slide-wrapper {
  display: flex;
  width: 300%;
  animation: slideShow 15s infinite;
}

.slide {
  width: 100%;
  min-width: 100%;
  object-fit: cover;
  transition: var(--transition);
}

@keyframes slideShow {
  0%, 30% {
      transform: translateX(0);
  }
  33%, 63% {
      transform: translateX(-33.33%);
  }
  66%, 100% {
      transform: translateX(-66.66%);
  }
}

.wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  z-index: 1;
}

/* ==================== 
 About Section
====================== */
.about {
  background-color: var(--white);
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.stat-card {
  background: var(--light);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient);
  z-index: -1;
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-10px);
}

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

.stat-card:hover .stat-icon i,
.stat-card:hover .stat-number,
.stat-card:hover p {
  color: var(--white);
}

.stat-icon {
  margin-bottom: 20px;
}

.stat-icon i {
  font-size: 3rem;
  color: var(--primary);
  transition: var(--transition);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.stat-card p {
  font-size: 1.2rem;
  font-weight: 500;
  transition: var(--transition);
}

/* ==================== 
 Features Section
====================== */
.features {
  background-color: var(--light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--gradient);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card:hover::before {
  width: 100%;
  opacity: 0.1;
}

.feature-icon {
  width: 90px;
  height: 90px;
  background-color: rgba(20, 134, 209, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: var(--transition);
}

.feature-icon img {
  width: 60px;
  height: auto;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background-color: rgba(20, 134, 209, 0.2);
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}

/* ==================== 
 Benefits Section
====================== */
.benefits {
  background-color: var(--white);
}

.benefit-row {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-bottom: 100px;
}

.benefit-row:last-child {
  margin-bottom: 0;
}

.benefit-row.reverse {
  flex-direction: row-reverse;
}

.benefit-content,
.benefit-image {
  flex: 1;
}

.benefit-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.benefit-list {
  margin-top: 30px;
}

.benefit-list li {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.benefit-list li i {
  color: var(--primary);
  margin-right: 15px;
  font-size: 1.2rem;
}

.benefit-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.benefit-image img:hover {
  transform: scale(1.02);
}

/* ==================== 
 Pricing Section
====================== */
.pricing {
  background-color: var(--light);
}

.pricing-container {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.pricing-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  flex: 1;
  max-width: 350px;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.popular {
  transform: scale(1.05);
  border: 2px solid var(--secondary);
  z-index: 2;
}

.pricing-card.popular:hover {
  transform: translateY(-10px) scale(1.05);
}

.popular-badge {
  position: absolute;
  top: 0;
  right: 30px;
  background: var(--secondary);
  color: var(--white);
  padding: 5px 15px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 0 0 10px 10px;
  z-index: 1;
}

.pricing-header {
  background: var(--gradient);
  padding: 30px;
  text-align: center;
  color: var(--white);
}

.pricing-header h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 15px;
}

.price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.price h2 {
  font-size: 3rem;
  color: var(--white);
  margin-bottom: 0;
}

.price span {
  font-size: 1rem;
  opacity: 0.8;
}

.pricing-features {
  padding: 40px 30px;
}

.pricing-features ul li {
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
}

.pricing-features ul li i {
  color: var(--primary);
  margin-right: 15px;
  margin-top: 3px;
}

.pricing-cta {
  padding: 0 30px 30px;
  text-align: center;
}

.pricing-cta .btn {
  width: 100%;
}

/* ==================== 
 Feedback Section
====================== */
.feedback {
  background-color: var(--white);
}

.feedback-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  padding: 20px;
  transition: var(--transition);
}

.feedback-container:hover {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.airtable-embed {
  width: 100%;
  height: 600px;
  position: relative;
  display: block;
  margin-bottom: -150px; /* Hide Airtable branding */
  transition: var(--transition);
}

/* ==================== 
 Footer Section
====================== */
.footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 80px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-logo img {
  height: 50px;
  margin-bottom: 20px;
}

.footer-logo p {
  color: rgba(255, 255, 255, 0.7);
}

.footer h3 {
  color: var(--white);
  margin-bottom: 25px;
  position: relative;
  display: inline-block;
  font-size: 1.5rem;
}

.footer h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 30px;
  height: 3px;
  background: var(--gradient);
}

.footer-links ul li {
  margin-bottom: 15px;
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.footer-contact p i {
  margin-right: 15px;
  color: var(--primary);
}

.footer-contact p a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact p a:hover {
  color: var(--primary);
}

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

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

.social-icons a:hover {
  background: var(--gradient);
  transform: translateY(-5px);
}

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

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer-bottom a {
  color: var(--primary);
}

.footer-bottom a:hover {
  color: var(--secondary);
}

/* ==================== 
 Back to Top Button
====================== */
.back-to-top {
  position: fixed;
  bottom: -60px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
  opacity: 0;
  z-index: 99;
}

.back-to-top.active {
  bottom: 30px;
  opacity: 1;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* ==================== 
 Responsive Styles
====================== */
@media (max-width: 1200px) {
  .container {
      padding: 0 40px;
  }
  
  .hero h1 {
      font-size: 2.5rem;
  }
  
  .benefit-content h2 {
      font-size: 2rem;
  }
}

@media (max-width: 992px) {
  section {
      padding: 60px 0;
  }
  
  .menu-toggle {
      display: flex;
  }
  
  .nav-menu {
      position: fixed;
      top: 80px;
      left: -100%;
      width: 100%;
      height: calc(100vh - 80px);
      background-color: var(--white);
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding: 40px 0;
      transition: var(--transition);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      overflow-y: auto;
  }
  
  .nav-menu.active {
      left: 0;
  }
  
  .nav-menu li {
      margin: 15px 0;
  }
  
  .nav-menu li a {
      padding: 10px 20px;
      display: block;
  }
  
  .nav-cta {
      margin-top: 20px;
  }
  
  .hero .container {
      flex-direction: column;
      text-align: center;
  }
  
  .hero-content {
      max-width: 100%;
      margin-bottom: 50px;
  }
  
  .hero-cta {
      justify-content: center;
  }
  
  .stats-container {
      grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
      grid-template-columns: repeat(2, 1fr);
  }
  
  .benefit-row {
      flex-direction: column;
      gap: 40px;
      margin-bottom: 70px;
      text-align: center;
  }
  
  .benefit-row.reverse {
      flex-direction: column;
  }
  
  .benefit-list li {
      justify-content: center;
  }
  
  .pricing-container {
      flex-direction: column;
      align-items: center;
  }
  
  .pricing-card {
      width: 100%;
      max-width: 400px;
      margin-bottom: 30px;
  }
  
  .pricing-card.popular {
      transform: scale(1);
  }
  
  .pricing-card.popular:hover {
      transform: translateY(-10px);
  }
  
  .footer-content {
      grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  section {
      padding: 50px 0;
  }
  
  .container {
      padding: 0 20px;
  }
  
  .section-header h2 {
      font-size: 2rem;
  }
  
  .hero h1 {
      font-size: 2rem;
  }
  
  .hero p {
      font-size: 1rem;
  }
  
  .stats-container {
      grid-template-columns: 1fr;
  }
  
  .features-grid {
      grid-template-columns: 1fr;
  }
  
  .benefit-content h2 {
      font-size: 1.8rem;
  }
  
  .footer-content {
      grid-template-columns: 1fr;
      gap: 40px;
  }
}

@media (max-width: 576px) {
  .hero-cta {
      flex-direction: column;
      width: 100%;
  }
  
  .hero-cta .btn {
      width: 100%;
  }
  
  .hero h1 {
      font-size: 1.8rem;
  }
  
  .benefit-content h2 {
      font-size: 1.5rem;
  }
  
  .back-to-top {
      right: 20px;
      width: 40px;
      height: 40px;
  }
  
  .back-to-top.active {
      bottom: 20px;
  }
}

/* Animation for sliding images */
@keyframes pulse {
  0% {
      transform: scale(1);
  }
  50% {
      transform: scale(1.05);
  }
  100% {
      transform: scale(1);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Fix for mobile device warning */
@media (max-width: 767px) {
  .device-note {
      display: block;
      background: rgba(0, 0, 0, 0.2);
      padding: 10px;
      border-radius: 5px;
      margin: 15px 0;
  }
}

/* Accessibility focus styles */
button:focus, a:focus {
  outline: 3px solid rgba(20, 134, 209, 0.5);
  outline-offset: 2px;
}
        /* Mobile-optimized slider */
        .mobile-slider {
          position: relative;
          width: 100%;
          max-width: 600px;
          height: 300px;
          margin: 0 auto;
          overflow: hidden;
          border-radius: 8px;
          box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
          -webkit-tap-highlight-color: transparent; /* Removes tap highlight on mobile */
      }
      
      .slider-images {
          position: relative;
          width: 100%;
          height: 100%;
      }
      
      .slider-images img {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          object-fit: cover;
          opacity: 0;
          transition: opacity 0.8s ease;
          will-change: opacity; /* Performance optimization */
          -webkit-user-drag: none; /* Prevent dragging on iOS */
          pointer-events: none; /* Prevent image interaction */
      }
      
      .slider-images img.active {
          opacity: 1;
          z-index: 1;
      }
      
      .slider-controls {
          position: absolute;
          bottom: 15px;
          left: 0;
          right: 0;
          z-index: 10;
          display: flex;
          justify-content: center;
          align-items: center;
          gap: 10px;
      }
      
      .slider-dots {
          display: flex;
          gap: 12px;
      }
      
      .dot {
          width: 10px;
          height: 10px;
          border-radius: 50%;
          background-color: rgba(255, 255, 255, 0.4);
          cursor: pointer;
          transition: all 0.3s ease;
          border: 1px solid rgba(255, 255, 255, 0.2);
          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
      }
      
      .dot.active {
          background-color: white;
          transform: scale(1.2);
      }
      
      /* Fullwidth on small screens */
      @media (max-width: 640px) {
          .mobile-slider {
              max-width: 100%;
              height: 250px;
              border-radius: 0;
          }
          
          .dot {
              width: 8px;
              height: 8px;
          }
          
          .slider-controls {
              bottom: 10px;
          }
          
          .slider-dots {
              gap: 10px;
          }
      }
      
      /* Extra small screens */
      @media (max-width: 360px) {
          .mobile-slider {
              height: 200px;
          }
      }
      /* Feature Card Button Styles */
.feature-cta {
  margin-top: 25px;
  text-align: center;
}

.feature-card .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-card .feature-cta {
  margin-top: auto;
  padding-top: 20px;
}

/* Adjust feature card padding to accommodate button */
.feature-card {
  padding-bottom: 25px;
}

/* Optional: Make the button take full width on mobile */
@media (max-width: 576px) {
  .feature-card .btn {
      width: 100%;
  }
  .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
  }
  
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  text-align: center;
  border: 1px solid #e2e8f0;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}


@media (max-width: 768px) {
  .features-grid {
      grid-template-columns: 1fr;
      gap: 20px;
  }
  
  .feature-card {
      padding: 24px;
  }
  
  .section-header h2 {
      font-size: 2rem;
  }
  .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
  }
}
@media (max-width: 1400px) {
  .features-grid {
      grid-template-columns: 1fr;
      gap: 20px;
  }
  
  .feature-card {
      padding: 24px;
  }
  
  .section-header h2 {
      font-size: 2rem;
  }
  .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
  }
}