* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2933;
  background: #ffffff;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

/* TOP BAR */
.topbar {
  background: #0b3d57;
  color: #ffffff;
  font-size: 15px;
}

.topbar-inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar a {
  color: #ffffff;
  font-weight: 700;
}

/* HEADER */
header {
  background: #ffffff;
  border-bottom: 1px solid #e7edf1;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  position: relative;
}

.logo img {
  width: 78px;
  height: 78px;
  object-fit: contain;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  color: #19384a;
  font-size: 15px;
  font-weight: 700;
}

nav a:hover {
  color: #1682ae;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-whatsapp {
  background: #1faa59;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 700;
}

.header-whatsapp:hover {
  background: #178a49;
}

.menu-toggle {
  display: none;
  background: #123a50;
  color: #ffffff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  font-size: 24px;
  cursor: pointer;
}

/* HERO */
.hero {
  background: #f2f7fa;
  padding: 68px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 55px;
}

.eyebrow {
  display: inline-block;
  color: #167ba5;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 14px;
}

.hero h1 {
  color: #123a50;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.07;
  margin-bottom: 22px;
}

.hero p {
  font-size: 19px;
  color: #4b5f6b;
  max-width: 650px;
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  color: #294b5d;
  font-size: 15px;
  font-weight: 700;
}

.hero-image img {
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(24, 65, 86, 0.16);
}

.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 700;
  transition: 0.2s;
}

.btn-primary {
  background: #167ba5;
  color: #ffffff;
}

.btn-primary:hover {
  background: #115f80;
}

.btn-whatsapp {
  background: #1faa59;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: #178a49;
}

/* INFO STRIP */
.info-strip {
  background: #103d56;
  color: #ffffff;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.info-item {
  padding: 26px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.16);
}

.info-item:last-child {
  border-right: none;
}

.info-item strong {
  display: block;
  font-size: 19px;
  margin-bottom: 3px;
}

.info-item span {
  font-size: 14px;
  opacity: 0.88;
}

/* GENERAL SECTIONS */
section {
  padding: 75px 0;
}

.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 45px;
}

.section-title h2 {
  color: #123a50;
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-title p {
  color: #637681;
  font-size: 17px;
}

/* PRODUCTS */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 980px;
  margin: 0 auto;
}

.product-card {
  border: 1px solid #dbe6eb;
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(18,58,80,0.07);
}

.product-card img {
  width: 100%;
  height: 310px;
  object-fit: cover;
}

.product-content {
  padding: 28px;
}

.product-content h3 {
  color: #123a50;
  font-size: 26px;
  margin-bottom: 8px;
}

.price {
  color: #167ba5;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.product-content p {
  color: #5f707a;
  margin-bottom: 22px;
}

/* CONTENT */
.content-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 55px;
  align-items: start;
}

.main-content h2,
.content-box h2 {
  color: #123a50;
  font-size: 34px;
  line-height: 1.2;
  margin-bottom: 18px;
}

.main-content h3,
.content-box h3 {
  color: #123a50;
  font-size: 24px;
  margin: 30px 0 12px;
}

.main-content p,
.content-box p {
  color: #566b76;
  font-size: 17px;
  margin-bottom: 18px;
}

.main-content ul {
  margin: 15px 0 25px 20px;
}

.main-content li {
  color: #566b76;
  font-size: 17px;
  margin-bottom: 10px;
}

.main-content a,
.content-box a {
  color: #167ba5;
  font-weight: 700;
}

.content-box {
  max-width: 930px;
  margin: 0 auto;
}

/* SIDEBAR */
.side-card {
  background: #f4f8fa;
  border: 1px solid #dce8ed;
  border-radius: 16px;
  padding: 30px;
  position: sticky;
  top: 125px;
}

.side-card h3 {
  color: #123a50;
  font-size: 25px;
  margin-bottom: 15px;
}

.side-card p {
  color: #5f727c;
  margin-bottom: 18px;
}

.feature-list {
  list-style: none;
  margin: 0 0 25px 0;
}

.feature-list li {
  padding: 10px 0;
  border-bottom: 1px solid #d9e5ea;
  color: #284b5d;
  font-weight: 700;
}

/* DELIVERY */
.delivery {
  background: #edf5f8;
}

.delivery-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 55px;
  align-items: center;
}

.delivery h2,
.delivery-box h2 {
  color: #123a50;
  font-size: 38px;
  line-height: 1.2;
  margin-bottom: 18px;
}

.delivery p,
.delivery-box p {
  color: #556a76;
  font-size: 17px;
  margin-bottom: 16px;
}

.delivery-box {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.free-box {
  background: #ffffff;
  border-left: 5px solid #1faa59;
  padding: 20px 22px;
  border-radius: 8px;
  margin: 24px 0;
}

.free-box strong {
  display: block;
  color: #103d56;
  font-size: 19px;
  margin-bottom: 5px;
}

/* STEPS */
.steps {
  background: #f7fafb;
}

.steps-grid,
.steps {
  gap: 24px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.step {
  background: #ffffff;
  padding: 30px;
  border-radius: 14px;
  border: 1px solid #e0e9ed;
}

.step-number {
  width: 42px;
  height: 42px;
  background: #167ba5;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 18px;
}

.step h3 {
  color: #123a50;
  margin-bottom: 8px;
}

.step p {
  color: #61747f;
}

/* GALLERY */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-card {
  background: #ffffff;
  border: 1px solid #dce7ec;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(18,58,80,0.07);
}

.gallery-image {
  background: #f8fafb;
  height: 330px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gallery-content {
  padding: 18px 20px 20px;
}

.gallery-content h3 {
  color: #123a50;
  font-size: 20px;
  margin-bottom: 5px;
}

.gallery-content p {
  color: #647781;
  font-size: 15px;
}

/* RELATED / CARDS */
.related-grid,
.link-grid,
.benefit-grid,
.contact-grid {
  display: grid;
  gap: 25px;
}

.related-grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin: 0 auto;
}

.link-grid,
.benefit-grid {
  grid-template-columns: repeat(3, 1fr);
}

.contact-grid {
  grid-template-columns: 1fr 1fr;
}

.related-card,
.link-card,
.benefit,
.contact-card {
  border: 1px solid #dce7ec;
  border-radius: 14px;
  padding: 28px;
  background: #ffffff;
}

.contact-card {
  box-shadow: 0 10px 28px rgba(18,58,80,0.07);
}

.related-card h3,
.link-card h3,
.benefit h3,
.contact-card h2 {
  color: #123a50;
  margin-bottom: 10px;
}

.related-card p,
.link-card p,
.benefit p,
.contact-card p {
  color: #60737d;
  margin-bottom: 18px;
}

.contact-link {
  display: block;
  color: #167ba5;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

/* CTA */
.cta {
  background: #103d56;
  color: #ffffff;
  text-align: center;
}

.cta h2 {
  font-size: 38px;
  margin-bottom: 12px;
}

.cta p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 26px;
}

/* FOOTER */
footer {
  background: #092c3f;
  color: #ffffff;
  padding: 50px 0 25px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 45px;
  margin-bottom: 35px;
}

footer h3 {
  font-size: 18px;
  margin-bottom: 14px;
}

footer p,
footer a {
  color: #d4e1e7;
  font-size: 15px;
}

footer a {
  display: block;
  margin-bottom: 8px;
}

.copyright {
  border-top: 1px solid rgba(255,255,255,0.13);
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: #aebfc8;
}

/* MOBILE */
@media (max-width: 850px) {

  .topbar-inner {
    flex-direction: column;
    justify-content: center;
    padding: 8px 0;
    gap: 2px;
  }

  .header-inner {
    min-height: 74px;
  }

  .logo img {
    width: 62px;
    height: 62px;
  }

  .header-whatsapp {
    padding: 10px 13px;
    font-size: 13px;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid #e7edf1;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  }

  nav.active {
    display: flex;
  }

  nav a {
    padding: 15px 24px;
    border-bottom: 1px solid #edf2f4;
  }

  .hero {
    padding: 45px 0;
  }

  .hero-grid,
  .delivery-grid,
  .product-grid,
  .content-grid,
  .related-grid,
  .link-grid,
  .benefit-grid,
  .contact-grid,
  .steps-grid,
  .footer-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .hero-image {
    order: -1;
  }

  .hero h1 {
    font-size: 39px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .info-item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.16);
  }

  .side-card {
    position: static;
  }

  .gallery-image {
    height: auto;
  }

  section {
    padding: 55px 0;
  }

  .section-title h2,
  .delivery h2,
  .delivery-box h2,
  .cta h2 {
    font-size: 30px;
  }

  .product-card img {
    height: 250px;
  }
}