:root {
  --primary-color: #2E5C9A;
  --secondary-color: #E8EEF5;
  --accent-color: #4A7FC1;
  --dark-color: #1a1a2e;
  --dark-gradient-start: #1a3a5c;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  line-height: 1.6;
  padding-top: 70px;
}

.sft-py-120 { padding: 120px 0; }
.sft-py-80 { padding: 80px 0; }
.sft-text-15 { font-size: 15px; line-height: 1.7; color: #666; }
.sft-text-20 { font-size: 20px; line-height: 1.6; }

.sft-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.sft-tag-black {
  background: var(--dark-color);
  color: white;
}

.navbar {
  padding: 15px 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-brand img {
  margin-right: 10px;
}

.brand-text {
  font-weight: 700;
  font-size: 20px;
  color: var(--primary-color);
}

.navbar-nav .nav-link {
  color: #333;
  font-weight: 500;
  padding: 10px 15px;
}

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

.dropdown-menu {
  border: none;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  border-radius: 12px;
  padding: 15px;
  min-width: 300px;
}

.dropdown-item {
  padding: 12px 15px;
  border-radius: 8px;
  white-space: normal;
}

.dropdown-item:hover {
  background: var(--secondary-color);
}

.dropdown-item strong {
  display: block;
  color: #333;
  margin-bottom: 4px;
}

.dropdown-item small {
  color: #666;
  font-size: 13px;
}

.navbar-cta .btn {
  margin-left: 10px;
  padding: 8px 20px;
  font-weight: 500;
}

.btn-primary {
  background: var(--primary-color);
  border: none;
}

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

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

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

.mobile-menu-cta {
  display: none;
  padding: 15px 20px;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

.navbar-collapse.show + .mobile-menu-cta,
.navbar-collapse.collapsing + .mobile-menu-cta {
  display: block;
}

.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 100px 0 80px;
  color: white;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 30px;
}

.hero-buttons .btn {
  padding: 12px 30px;
  font-size: 16px;
  font-weight: 600;
}

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

.phone-mockup {
  max-width: 300px;
  margin: 0 auto;
  background: #1a1a1a;
  border-radius: 40px;
  padding: 10px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}

.phone-mockup img {
  width: 100%;
  border-radius: 30px;
}

.phone-mockup-small {
  max-width: 280px;
  margin: 0 auto;
  background: #1a1a1a;
  border-radius: 36px;
  padding: 8px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.phone-mockup-small img {
  width: 100%;
  border-radius: 28px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 50px;
}

.problem-section {
  background: white;
}

.problem-list, .solution-list {
  max-width: 500px;
  margin: 0 auto;
}

.problem-item, .solution-item {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  background: #f8f9fa;
  border-radius: 10px;
  margin-bottom: 12px;
}

.problem-item i, .solution-item i {
  font-size: 24px;
  margin-right: 15px;
}

.problem-item span, .solution-item span {
  font-size: 16px;
  font-weight: 500;
}

.why-section {
  background: linear-gradient(135deg, var(--dark-gradient-start) 0%, var(--primary-color) 100%);
  padding: 100px 0;
}

.why-card {
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  color: white;
  height: 100%;
  transition: transform 0.3s ease;
}

.why-card:hover {
  transform: translateY(-5px);
}

.why-icon {
  width: 70px;
  height: 70px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.why-icon i {
  font-size: 28px;
}

.why-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
}

.why-card p {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px;
}

.features-grid-section {
  background: #f8f9fa;
}

.feature-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  height: 100%;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary-color);
}

.feature-icon i {
  font-size: 24px;
}

.feature-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: #666;
  margin: 0;
}

.feature-detail-section {
  background: white;
}

.feature-detail-alt {
  background: #f8f9fa;
}

.feature-detail-section h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
}

.feature-link {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
}

.feature-link i {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.feature-link:hover {
  color: var(--accent-color);
  text-decoration: none;
}

.feature-link:hover i {
  transform: translateX(5px);
}

.wide-screenshot {
  max-width: 350px;
  margin: 0 auto;
  background: #1a1a1a;
  border-radius: 36px;
  padding: 8px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.wide-screenshot img {
  width: 100%;
  border-radius: 28px;
}

.how-it-works-section {
  background: white;
}

.how-it-works-section .nav-tabs {
  border: none;
}

.how-it-works-section .nav-link {
  border: none;
  padding: 12px 30px;
  font-weight: 600;
  color: #666;
  border-radius: 30px;
  margin: 0 5px;
}

.how-it-works-section .nav-link.active {
  background: var(--primary-color);
  color: white;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  margin-bottom: 40px;
}

.timeline-number {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
  margin-right: 30px;
}

.timeline-content {
  flex: 1;
}

.timeline-content h5 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-content p {
  color: #666;
  margin-bottom: 15px;
}

.timeline-image {
  max-width: 200px;
  background: #1a1a1a;
  border-radius: 24px;
  padding: 5px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.timeline-image img {
  width: 100%;
  border-radius: 20px;
}

.testimonial-section {
  background: var(--secondary-color);
}

.testimonial-carousel {
  max-width: 100%;
}

.testimonial-item {
  padding: 0 15px;
}

.testimonial-bubble {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  position: relative;
}

.testimonial-bubble i {
  color: var(--primary-color);
  font-size: 24px;
  margin-bottom: 15px;
  display: block;
}

.testimonial-bubble p {
  font-size: 18px;
  font-weight: 500;
  margin: 0;
  color: #333;
}

.target-section {
  background: white;
}

.target-card {
  background: #f8f9fa;
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  height: 100%;
  transition: transform 0.3s ease;
}

.target-card:hover {
  transform: translateY(-5px);
}

.target-icon {
  width: 60px;
  height: 60px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary-color);
}

.target-icon i {
  font-size: 24px;
}

.target-card p {
  font-size: 15px;
  font-weight: 500;
  margin: 0;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 100px 0;
  color: white;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 15px;
}

.cta-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 40px;
}

.store-badges {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.store-badge img {
  height: 50px;
}

.qr-codes {
  margin-top: 40px;
}

.qr-item {
  text-align: center;
  margin: 0 20px;
}

.qr-item img {
  width: 120px;
  height: 120px;
  background: white;
  padding: 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}

.qr-item p {
  font-size: 14px;
  opacity: 0.9;
  margin: 0;
}

.footer-section {
  background: var(--dark-color);
  color: white;
  padding: 60px 0 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-brand img {
  margin-right: 10px;
}

.footer-brand span {
  font-size: 20px;
  font-weight: 700;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
}

.footer-contact strong {
  color: rgba(255,255,255,0.9);
}

.footer-section h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-store-badges a {
  display: block;
  margin-bottom: 10px;
}

.footer-store-badges img {
  height: 35px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  margin: 0;
}

.page-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 100px 0 80px;
  color: white;
  text-align: center;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-hero .sft-text-20 {
  opacity: 0.9;
}

.sft-card {
  background: white;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.sft-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sft-feature-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 12px;
}

.sft-feature-list i {
  color: var(--primary-color);
  margin-right: 12px;
  margin-top: 4px;
}

.accordion .card {
  border: none;
  margin-bottom: 10px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.accordion .card-header {
  background: white;
  padding: 0;
  border: none;
}

.accordion .card-header button {
  width: 100%;
  text-align: left;
  padding: 20px;
  font-weight: 600;
  color: #333;
  text-decoration: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion .card-header button:hover {
  text-decoration: none;
  color: var(--primary-color);
}

.accordion .card-header button::after {
  content: '\f107';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  transition: transform 0.3s ease;
}

.accordion .card-header button[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.accordion .card-body {
  background: #f8f9fa;
  padding: 20px;
  color: #666;
  line-height: 1.8;
}

.faq-category {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  margin: 40px 0 20px;
  padding-left: 15px;
  border-left: 3px solid var(--primary-color);
}

.pricing-card {
  border: 3px solid var(--primary-color);
  border-radius: 16px;
  padding: 40px;
  max-width: 400px;
  margin: 0 auto;
  background: white;
  box-shadow: 0 10px 40px rgba(46, 92, 154, 0.15);
  text-align: center;
}

.pricing-badge {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--primary-color);
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.pricing-price {
  font-size: 48px;
  font-weight: 700;
  color: #333;
}

.pricing-period {
  color: #666;
  font-size: 16px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  text-align: left;
}

.pricing-features li {
  padding: 10px 0;
  display: flex;
  align-items: center;
}

.pricing-features i {
  color: var(--primary-color);
  margin-right: 12px;
}

.guide-tabs .nav-tabs {
  border: none;
  justify-content: center;
  margin-bottom: 50px;
}

.guide-tabs .nav-link {
  border: 2px solid #ddd;
  border-radius: 30px;
  padding: 12px 40px;
  margin: 0 10px;
  font-weight: 600;
  color: #666;
}

.guide-tabs .nav-link.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
}

.guide-step {
  display: flex;
  margin-bottom: 60px;
  align-items: center;
}

.guide-step.reverse {
  flex-direction: row-reverse;
}

.guide-step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}

.guide-step-content {
  flex: 1;
  padding: 0 40px;
}

.guide-step-content h4 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.guide-step-content p {
  color: #666;
  margin: 0;
}

.guide-step-image {
  max-width: 220px;
  flex-shrink: 0;
}

.guide-step-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-story {
  max-width: 700px;
  margin: 0 auto;
}

.about-story p {
  font-size: 18px;
  line-height: 2;
  color: #444;
  margin-bottom: 20px;
}

.philosophy-card {
  background: white;
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  height: 100%;
}

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

.philosophy-card .icon i {
  font-size: 32px;
  color: var(--primary-color);
}

.philosophy-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
}

.philosophy-card p {
  color: #666;
  margin: 0;
  line-height: 1.7;
}

.thanks-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 80px 0;
  color: white;
  text-align: center;
}

.thanks-section p {
  font-size: 20px;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 30px;
}

.thanks-section .signature {
  font-size: 18px;
  opacity: 0.9;
}

.terms-content {
  max-width: 800px;
  margin: 0 auto;
}

.terms-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 15px;
  color: #333;
}

.terms-content p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 15px;
}

.terms-content ol {
  padding-left: 20px;
}

.terms-content li {
  margin-bottom: 10px;
  line-height: 1.8;
  color: #555;
}

.terms-date {
  color: #666;
  font-size: 14px;
  margin-bottom: 30px;
}

.feature-nav {
  background: #f8f9fa;
  padding: 15px 0;
  position: sticky;
  top: 70px;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.feature-nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.feature-nav li {
  margin: 5px 15px;
}

.feature-nav a {
  color: #666;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

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

.feature-section {
  padding: 100px 0;
}

.feature-section:nth-child(even) {
  background: #f8f9fa;
}

.feature-section h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
}

.fair-distribution-section {
  background: linear-gradient(135deg, var(--dark-gradient-start) 0%, var(--primary-color) 100%);
  color: white;
}

.fair-card {
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
}

.fair-card h5 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 15px;
}

@media (max-width: 991px) {
  .hero-section {
    padding: 80px 0 60px;
    min-height: auto;
  }

  .hero-content {
    text-align: center;
    margin-bottom: 40px;
  }

  .hero-content h1 {
    font-size: 36px;
  }

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

  .hero-buttons .btn {
    margin: 0;
  }

  .section-title {
    font-size: 28px;
  }

  .sft-py-120 {
    padding: 80px 0;
  }

  .page-hero {
    padding: 80px 0 60px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

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

  .navbar-collapse {
    background: white;
    padding: 20px;
    margin-top: 15px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  }

  .dropdown-menu {
    box-shadow: none;
    border-left: 3px solid var(--primary-color);
    border-radius: 0;
    margin-left: 15px;
  }

  .guide-step {
    flex-direction: column;
    text-align: center;
  }

  .guide-step.reverse {
    flex-direction: column;
  }

  .guide-step-content {
    padding: 20px 0;
    order: 2;
  }

  .guide-step-image {
    order: 1;
    margin-bottom: 20px;
  }

  .guide-step-number {
    order: 0;
    margin-bottom: 20px;
  }
}

@media (max-width: 767px) {
  body {
    padding-top: 60px;
  }

  .hero-section {
    padding: 60px 0 40px;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .phone-mockup {
    max-width: 220px;
  }

  .section-title {
    font-size: 24px;
    margin-bottom: 30px;
  }

  .sft-py-120 {
    padding: 60px 0;
  }

  .sft-py-80 {
    padding: 50px 0;
  }

  .why-section {
    padding: 60px 0;
  }

  .cta-section {
    padding: 60px 0;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .store-badges {
    flex-direction: column;
    align-items: center;
  }

  .qr-item img {
    width: 100px;
    height: 100px;
  }

  .page-hero {
    padding: 60px 0 40px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .feature-detail-section h3 {
    font-size: 24px;
  }

  .timeline-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .timeline-number {
    margin-right: 0;
    margin-bottom: 15px;
  }

  .timeline-image {
    margin: 0 auto;
  }

  .testimonial-bubble p {
    font-size: 16px;
  }

  .footer-section {
    padding: 40px 0 20px;
  }

  .pricing-card {
    padding: 30px 20px;
  }

  .pricing-price {
    font-size: 40px;
  }

  .guide-tabs .nav-link {
    padding: 10px 25px;
    margin: 5px;
  }

  .about-story p {
    font-size: 16px;
  }

  .feature-nav ul {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
  }

  .feature-nav li {
    flex-shrink: 0;
  }
}

.slick-dots {
  bottom: -40px;
}

.slick-dots li button:before {
  font-size: 10px;
  color: var(--primary-color);
}

.slick-dots li.slick-active button:before {
  color: var(--primary-color);
}

.slick-prev, .slick-next {
  width: 40px;
  height: 40px;
  z-index: 10;
}

.slick-prev:before, .slick-next:before {
  color: var(--primary-color);
  font-size: 24px;
}