* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1e2b3c;
  background-color: #ffffff;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
section {
  padding: 60px 0;
  border-bottom: 1px solid #e9edf2;
}
h1, h2, h3 {
  font-weight: 600;
  line-height: 1.2;
  color: #0a1a2b;
}
h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}
a {
  text-decoration: none;
}
.hero {
  background: linear-gradient(145deg, #f8fafd 0%, #e6edf5 100%);
  padding: 70px 0 60px;
  text-align: center;
  border-bottom: 1px solid #d0dbe8;
}
.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  color: #0b2a41;
}
.subhead {
  font-size: 1.3rem;
  color: #2c3f55;
  margin-bottom: 2rem;
}
.cta-primary {
  margin: 30px 0 20px;
}
.btn-primary {
  background-color: #ffb800;
  color: #000000;
  font-size: 1.8rem;
  font-weight: 700;
  padding: 18px 60px;
  border-radius: 60px;
  display: inline-block;
  box-shadow: 0 8px 16px rgba(255, 184, 0, 0.3);
  transition: 0.2s;
  border: 2px solid #e09d00;
  letter-spacing: 1px;
}
.btn-primary:hover {
  background-color: #ffa600;
  transform: scale(1.02);
  box-shadow: 0 12px 24px rgba(255, 184, 0, 0.4);
}
.cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 25px 0 10px;
}
.btn-telegram, .btn-whatsapp {
  background-color: #ffffff;
  color: #1e2b3c;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 40px;
  border: 2px solid #2d5a8c;
  transition: 0.15s;
  display: inline-flex;
  align-items: center;
}
.btn-telegram:hover {
  background-color: #2d5a8c;
  color: white;
  border-color: #1e3f62;
}
.btn-whatsapp:hover {
  background-color: #25D366;
  color: white;
  border-color: #128C7E;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
  margin-top: 20px;
}
.feature-item {
  background: #f5f8fc;
  padding: 30px 20px;
  border-radius: 24px;
  text-align: center;
  border: 1px solid #dae2ec;
}
.feature-item h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: #0b2a41;
}
.photo-text {
  background-color: #ffffff;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.photo-text-right .text-block {
  order: 1;
}
.photo-text-right .image-block {
  order: 2;
}
.photo-text-left .text-block {
  order: 2;
}
.photo-text-left .image-block {
  order: 1;
}
.text-block h2 {
  text-align: left;
  margin-bottom: 1rem;
  font-size: 2rem;
}
.text-block p {
  margin-bottom: 1.5rem;
  color: #2d4055;
  font-size: 1.1rem;
}
.text-block ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  color: #1e3a5f;
}
.text-block li {
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.image-block img {
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: 0 20px 30px -10px rgba(0,20,40,0.2);
  border: 1px solid #dbe1e9;
  display: block;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}
.card {
  background: white;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid #dae2ec;
  transition: 0.1s;
}
.card:hover {
  box-shadow: 0 20px 30px -8px rgba(20, 40, 70, 0.15);
}
.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.card h3 {
  font-size: 1.3rem;
  margin: 18px 18px 8px;
  color: #0b2a41;
}
.card p {
  margin: 0 18px 20px;
  color: #2d4b6e;
  font-weight: 500;
}
.icon-cards {
  background-color: #f8fafd;
}
.four-col-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.icon-card {
  background: white;
  border-radius: 24px;
  padding: 30px 20px;
  text-align: center;
  border: 1px solid #dae2ec;
}
.icon-card img {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #ffb800;
  display: block;
  object-fit: cover;
}
.icon-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #0b2a41;
}
.icon-card p {
  color: #2d4055;
}
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}
.tip-item {
  background: #f2f6fb;
  padding: 30px 20px;
  border-radius: 24px;
  border-left: 6px solid #ffb800;
}
.tip-item h3 {
  margin-bottom: 12px;
  color: #0e2c41;
}
.sell-trade {
  background: #e4ecf5;
  text-align: center;
}
.sell-trade p {
  max-width: 700px;
  margin: 0 auto 30px;
  font-size: 1.2rem;
}
.sell-highlight {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.sell-feature {
  background: white;
  padding: 20px 40px;
  border-radius: 60px;
  font-size: 1.5rem;
  font-weight: 600;
  color: #0b2a41;
  border: 1px solid #b3c9df;
}
.sell-feature .num {
  color: #b85b14;
  font-weight: 800;
  margin-right: 8px;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}
.testimonial {
  background: #f9fcff;
  padding: 30px;
  border-radius: 24px;
  border: 1px solid #d6e2f0;
}
.testimonial p {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #162b40;
}
.testimonial cite {
  font-weight: 600;
  color: #0e3d5e;
  font-style: normal;
}
.brand-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  align-items: center;
}
.brand-logos img {
  width: 120px;
  height: auto;
  border-radius: 16px;
  background: #f0f4fa;
  padding: 8px;
  border: 1px solid #d0deef;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.faq-item {
  background: white;
  padding: 25px;
  border-radius: 24px;
  border: 1px solid #ced9e8;
  box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}
.faq-item h3 {
  margin-bottom: 15px;
  font-size: 1.2rem;
  color: #10436b;
}
.final-cta {
  text-align: center;
  background: linear-gradient(145deg, #dde6f0, #eef3f9);
  border-bottom: none;
}
.final-cta h2 {
  margin-bottom: 1rem;
}
.final-sub {
  font-size: 1.2rem;
  color: #1e3a5f;
  margin-bottom: 2rem;
}
.small-note {
  margin-top: 20px;
  color: #2a4d6e;
  font-weight: 500;
}
footer {
  background: #0a1e30;
  color: #adc0d3;
  padding: 30px 0;
  text-align: center;
  font-size: 0.95rem;
}
@media (max-width: 900px) {
  .four-col-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 800px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .photo-text-left .image-block, 
  .photo-text-right .image-block {
    order: 0;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .btn-primary {
    font-size: 1.4rem;
    padding: 14px 40px;
  }
  .four-col-grid {
    grid-template-columns: 1fr;
  }
}