/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-700);
  border-color: var(--primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--on-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background-color: transparent;
  color: var(--on-surface);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--surface-variant);
  color: var(--on-surface);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-xl);
}

/* Card Styles */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--primary-200);
}

/* Navigation Styles */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: var(--container-xl);
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--on-background);
}

.logo {
  height: 32px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--on-surface);
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--primary-50);
  text-decoration: none;
}

.nav-link.active {
  color: var(--primary);
  background-color: var(--primary-100);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle .bar {
  width: 24px;
  height: 2px;
  background-color: var(--on-surface);
  transition: all var(--transition-fast);
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-4);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
  color: var(--on-surface);
}

.contact-form {
  background-color: var(--surface);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

/* Video Container - Simple Full Width */
.video-container {
  position: relative;
  width: 100vw;
  max-width: none;
  margin: 0;
  padding: 0;
  left: 50%;
  transform: translateX(-50%);
  /* Set explicit aspect ratio container to prevent size jumps */
  aspect-ratio: 16 / 9;
  min-height: 50vh;
}

.product-video {
  width: 100%;
  height: 100%;
  display: block;
  background-color: #000;
  object-fit: contain; /* Show entire video without cropping */
}

/* Make video larger on tablet and desktop screens */
@media (min-width: 768px) {
  .video-container {
    min-height: 60vh; /* Larger minimum height on tablets */
  }
}

@media (min-width: 1200px) {
  .video-container {
    min-height: 70vh; /* Even larger minimum height on desktop */
  }
}

/* Play Button Overlay */
.video-play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.video-play-button:hover {
  background: rgba(255, 255, 255, 1);
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.video-play-button::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 20px solid #333;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px; /* Center the triangle */
}

.video-play-button.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Responsive Navigation Styles */
@media (max-width: 768px) {
  .nav-container {
    padding: var(--space-3) var(--space-4);
  }
  
  .nav-brand {
    font-size: var(--font-size-lg);
    gap: var(--space-2);
  }
  
  .logo {
    height: 28px;
  }
  
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: var(--space-4) 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-menu li {
    width: 100%;
    text-align: center;
  }
  
  .nav-link {
    display: block;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
    border-radius: 0;
    border-bottom: 1px solid var(--border-variant);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .nav-toggle {
    display: flex;
    z-index: 10;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-base);
  padding: var(--space-6);
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-content h3 {
  margin: 0 0 var(--space-4) 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--on-surface-variant);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  line-height: 1;
}

.modal-close:hover {
  background-color: var(--surface-variant);
  color: var(--on-surface);
}

.modal-content p {
  color: var(--on-surface-variant);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.email-signup-form .form-group {
  margin-bottom: var(--space-5);
}

.email-signup-form label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
  color: var(--on-surface);
  font-size: var(--font-size-sm);
}

.email-signup-form input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  background-color: var(--background);
  color: var(--on-background);
  transition: all var(--transition-fast);
}

.email-signup-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.email-signup-form input::placeholder {
  color: var(--on-surface-variant);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.form-message {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
  display: none;
}

.form-message.success {
  background-color: var(--success-100);
  color: var(--success-700);
  border: 1px solid var(--success-200);
  display: block;
}

.form-message.error {
  background-color: var(--error-100);
  color: var(--error-700);
  border: 1px solid var(--error-200);
  display: block;
}