/* ==============================================
   Landing Page — Self-contained styles
   ============================================== */

/* ---- Navigation ---- */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  height: 68px;
}

.landing-nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.landing-nav-left {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.landing-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.landing-logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.landing-nav-link {
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.landing-nav-link:hover {
  color: var(--color-primary);
}

.landing-nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.landing-nav-login {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  text-decoration: none;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.landing-nav-login:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

.landing-nav-cta {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-primary);
  padding: var(--spacing-2) var(--spacing-5);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.landing-nav-cta:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}

/* ---- Landing Page Base ---- */
.landing-page {
  min-height: 100vh;
  background: var(--color-white);
  overflow-x: hidden;
}

.landing-main {
  padding-top: 68px;
}

/* ---- Hero Carousel ---- */
.hero-carousel {
  position: relative;
  width: 100%;
  height: calc(100vh - 68px);
  min-height: 380px;
  max-height: 680px;
  overflow: hidden;
  background: var(--color-gray-100);
}

.hero-carousel-track-container {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s ease-in-out;
}

.hero-carousel-slide {
  min-width: 100%;
  height: 100%;
}

.hero-carousel-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-gray-800);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  z-index: 10;
}

.hero-carousel-arrow:hover {
  background: var(--color-white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-50%) scale(1.06);
}

.hero-carousel-arrow svg { width: 22px; height: 22px; }
.hero-carousel-arrow-prev { left: 1rem; }
.hero-carousel-arrow-next { right: 1rem; }

.hero-carousel-dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-2);
  z-index: 10;
}

.hero-carousel-dot {
  width: 10px;
  height: 10px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.hero-carousel-dot:hover { background: rgba(255, 255, 255, 0.8); }
.hero-carousel-dot.active { background: var(--color-white); width: 28px; border-radius: 5px; }

/* ---- Section Header (shared) ---- */
.about-header,
.benefits-header,
.testimonials-header {
  text-align: center;
  margin-bottom: 3rem;
}

.about-title,
.benefits-title,
.testimonials-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin: 0 0 var(--spacing-2);
}

.about-subtitle,
.benefits-subtitle,
.testimonials-subtitle {
  font-size: 1.063rem;
  color: var(--color-gray-500);
  margin: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- About Section ---- */
.about-section {
  padding: 4.5rem 1.5rem;
  background: var(--color-white);
}

.about-container {
  max-width: 1140px;
  margin: 0 auto;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.about-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.25s;
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

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

.about-card-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.about-card-icon svg { width: 34px; height: 34px; }

.about-card-title {
  font-size: 1.19rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0 0 var(--spacing-3);
}

.about-card-description {
  font-size: 0.938rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin: 0;
}

/* ---- Benefits Section ---- */
.benefits-section {
  padding: 4.5rem 1.5rem;
  background: var(--color-gray-50);
}

.benefits-container {
  max-width: 1140px;
  margin: 0 auto;
}

.benefits-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.benefits-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s;
  flex: 0 1 calc(33.333% - 1.25rem);
  max-width: 370px;
}

.benefits-item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.benefits-item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(var(--color-primary-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.benefits-item-icon svg { width: 24px; height: 24px; }

.benefits-item-content { flex: 1; }

.benefits-item-title {
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0 0 0.375rem;
}

.benefits-item-description {
  font-size: 0.813rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  margin: 0;
}

/* ---- Testimonials Section ---- */
.testimonials-section {
  padding: 4.5rem 1.5rem;
  background: var(--color-white);
}

.testimonials-container {
  max-width: 1140px;
  margin: 0 auto;
}

.testimonials-carousel {
  position: relative;
  display: flex;
  align-items: center;
}

.testimonials-arrow {
  position: absolute;
  z-index: 10;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-gray-700);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.testimonials-arrow:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.testimonials-arrow svg { width: 22px; height: 22px; }
.testimonials-arrow-prev { left: -20px; }
.testimonials-arrow-next { right: -20px; }

.testimonials-track-container {
  width: 100%;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 1rem);
  margin: 0 0.5rem;
  padding: 1.5rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  position: relative;
}

.testimonial-quote-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 28px;
  height: 28px;
  color: rgba(var(--color-primary-rgb), 0.18);
}

.testimonial-quote-icon svg { width: 100%; height: 100%; }

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--spacing-3);
}

.testimonial-star {
  width: 16px;
  height: 16px;
  fill: var(--color-gray-300);
  stroke: none;
}

.testimonial-star.filled { fill: var(--color-warning); }

.testimonial-review {
  font-size: 0.813rem;
  color: var(--color-gray-700);
  line-height: 1.7;
  margin: 0 0 1.25rem;
  min-height: 72px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding-top: 0.875rem;
  border-top: 1px solid var(--color-gray-200);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial-avatar-initials {
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.813rem;
  font-weight: 600;
}

.testimonial-name {
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0;
}

.testimonial-meta {
  font-size: 0.688rem;
  color: var(--color-gray-500);
  margin: 0.125rem 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.testimonials-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
  margin-top: 2rem;
}

.testimonials-dot {
  width: 9px;
  height: 9px;
  border: none;
  border-radius: 50%;
  background: var(--color-gray-300);
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.testimonials-dot:hover { background: var(--color-gray-400); }
.testimonials-dot.active { background: var(--color-primary); width: 24px; border-radius: 5px; }

/* ---- Footer ---- */
.footer {
  background: var(--color-gray-900);
  color: var(--color-white);
}

.footer-main {
  padding: 3.5rem 1.5rem;
}

.footer-container {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-brand { gap: var(--spacing-3); }

.footer-logo { display: inline-block; }

.footer-logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.footer-tagline {
  color: var(--color-gray-400);
  font-size: 0.813rem;
  margin: 0;
}

.footer-app-download { margin-top: var(--spacing-4); }

.footer-app-title {
  font-size: 0.813rem;
  font-weight: 600;
  margin: 0 0 0.625rem;
  color: var(--color-white);
}

.footer-app-buttons {
  display: flex;
  gap: 0.625rem;
}

.footer-app-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) 0.875rem;
  background: var(--color-gray-800);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.813rem;
  transition: background var(--transition-fast);
}

.footer-app-btn:hover { background: var(--color-gray-700); color: var(--color-white); }
.footer-app-btn svg { flex-shrink: 0; width: 18px; height: 18px; }

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin: 0 0 var(--spacing-4);
  color: var(--color-white);
}

.footer-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-link {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.813rem;
  transition: color var(--transition-fast);
}

.footer-link:hover { color: var(--color-primary); }

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.813rem;
  transition: color var(--transition-fast);
}

.footer-contact-item:hover { color: var(--color-primary); }
.footer-contact-item svg { flex-shrink: 0; }

.footer-social-heading { margin-top: 0; }

.footer-social {
  display: flex;
  gap: 0.625rem;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-gray-800);
  border-radius: 50%;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

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

.footer-social-link svg { width: 18px; height: 18px; }

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding: 1.25rem 1.5rem;
}

.footer-bottom-container {
  max-width: 1140px;
  margin: 0 auto;
  text-align: center;
}

.footer-copyright {
  margin: 0;
  font-size: 0.813rem;
  color: var(--color-gray-500);
}

/* ---- Responsive: Tablet ---- */
@media (max-width: 1024px) {
  .landing-nav-links { display: none; }

  .hero-carousel { max-height: 560px; }
  .hero-carousel-arrow { width: 38px; height: 38px; }
  .hero-carousel-arrow svg { width: 18px; height: 18px; }

  .about-cards { gap: 1.25rem; }
  .about-card { padding: 1.5rem; }

  .benefits-item { flex: 0 1 calc(50% - 1.25rem); max-width: 440px; }

  .testimonials-arrow-prev { left: 0; }
  .testimonials-arrow-next { right: 0; }
  .testimonial-card { flex: 0 0 calc(50% - 1rem); }

  .footer-container { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---- Responsive: Mobile ---- */
@media (max-width: 768px) {
  .landing-nav { height: 60px; }
  .landing-nav-container { padding: 0 1rem; }
  .landing-nav-login { display: none; }
  .landing-logo-img { height: 36px; }
  .landing-main { padding-top: 60px; }

  .hero-carousel { height: calc(100vh - 60px); max-height: 460px; min-height: 260px; }
  .hero-carousel-arrow { width: 34px; height: 34px; }
  .hero-carousel-arrow svg { width: 16px; height: 16px; }
  .hero-carousel-arrow-prev { left: 0.5rem; }
  .hero-carousel-arrow-next { right: 0.5rem; }

  .about-section,
  .benefits-section,
  .testimonials-section { padding: 3rem 1rem; }

  .about-title, .benefits-title, .testimonials-title { font-size: var(--font-size-2xl); }
  .about-subtitle, .benefits-subtitle, .testimonials-subtitle { font-size: 0.938rem; }

  .about-cards { grid-template-columns: 1fr; gap: 1rem; }
  .about-card { padding: 1.25rem; }

  .benefits-item { flex: 0 1 100%; max-width: 100%; }

  .testimonials-arrow { display: none; }
  .testimonial-card { flex: 0 0 calc(100% - 1rem); scroll-snap-align: center; }
  .testimonials-track-container {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .testimonials-track-container::-webkit-scrollbar { display: none; }
  .testimonials-track { transition: none; transform: none !important; }

  .footer-main { padding: 2.5rem 1rem; }
  .footer-container { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { flex-direction: column; }
  .footer-app-buttons { flex-direction: column; max-width: 180px; }
}

/* ---- Responsive: Small Mobile ---- */
@media (max-width: 480px) {
  .landing-nav { height: 56px; }
  .landing-logo-img { height: 32px; }
  .landing-main { padding-top: 56px; }
  .hero-carousel { height: calc(100vh - 56px); max-height: 360px; }

  .about-header, .benefits-header, .testimonials-header { margin-bottom: 2rem; }

  .benefits-item { flex-direction: column; text-align: center; }
  .benefits-item-icon { margin: 0 auto; }

  .testimonial-review { min-height: auto; }
}