/* Layout Styles */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.logo a {
  font-size: 2.4rem;
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
}

.logo span {
  color: var(--color-primary);
}

.main-nav {
  display: flex;
}

.nav-links {
  display: flex;
  gap: var(--space-3);
}

.nav-links a {
  color: var(--color-gray-700);
  font-weight: var(--font-regular);
  transition: color var(--transition-fast);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2.4rem;
  height: 2rem;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-gray-900);
  transition: all var(--transition-medium);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.hero-content {
  max-width: 80rem;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-4) 0;
}

.app-logo {
  margin-bottom: var(--space-3);
}

.app-icon {
  width: 15rem;
  height: 15rem;
  margin: 0 auto;
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-buttons {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-4);
}

.cta-buttons .button {
  min-width: 16rem;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.feature-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 6.4rem;
  height: 6.4rem;
  margin: 0 auto var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Screenshots Section */
.screenshots-section {
  background-color: var(--color-gray-100);
}

.screenshot-slider {
  max-width: 90rem;
  margin: 0 auto;
}

.screenshot-container {
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.screenshot-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.screenshot {
  min-width: 100%;
  display: flex;
  justify-content: center;
  padding: 0 var(--space-2);
}

.screenshot img {
  max-height: 58rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-300);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.prev-button, .next-button {
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
}

.prev-button:hover, .next-button:hover {
  color: var(--color-primary);
}

.slider-dots {
  display: flex;
  gap: var(--space-1);
}

.dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background-color: var(--color-gray-400);
  transition: background-color var(--transition-fast);
}

.dot.active {
  background-color: var(--color-primary);
}

/* FAQ Section */
.faq-section {
  background-color: var(--color-white);
}

.faq-list {
  max-width: 80rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  text-align: left;
}

.faq-question .icon {
  font-size: 2.4rem;
  transition: transform var(--transition-medium);
}

.faq-question.active .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
}

.faq-answer p {
  padding-bottom: var(--space-3);
  color: var(--color-gray-700);
}

/* Contact Section */
.contact-section {
  background-color: var(--color-gray-100);
}

.contact-intro {
  text-align: center;
  max-width: 60rem;
  margin: 0 auto var(--space-4);
  color: var(--color-gray-700);
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: var(--space-4);
}

.contact-method {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--space-3);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium);
}

.contact-method:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  width: 4.8rem;
  height: 4.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-2);
  color: var(--color-primary);
}

.contact-method a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.contact-method a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Footer */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-5) 0 var(--space-3);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.footer-logo a {
  font-size: 2.4rem;
  font-weight: var(--font-bold);
}

.footer-logo span {
  color: var(--color-primary-light);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.footer-col h4 {
  color: var(--color-gray-400);
  margin-bottom: var(--space-2);
  font-size: 1.6rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-col a {
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  transition: background-color var(--transition-fast);
}

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

.copyright {
  text-align: center;
  color: var(--color-gray-600);
  font-size: 1.4rem;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-gray-800);
}