:root {
  --navy: #102a43;
  --blue: #1769aa;
  --ink: #1f2937;
  --muted: #5f6b7a;
  --line: #d7e0ea;
  --soft: #f4f7fa;
  --white: #ffffff;
  --green: #18a058;
  --orange: #f47c20;
  --shadow: 0 16px 38px rgba(16, 42, 67, .12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; background: #dfe8f1; }
button, input, select, textarea { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--navy);
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: white;
}

.rp-mark {
  position: relative;
  font-weight: 900;
  letter-spacing: -.02em;
  background:
    linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,0) 42%),
    linear-gradient(135deg, var(--navy) 0%, var(--blue) 52%, var(--green) 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.22);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: #334155;
}

.nav-item { position: relative; padding: 10px 0; }
.nav-item:hover { color: var(--blue); }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 38px;
  left: -14px;
  min-width: 230px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px;
}
.nav-item:hover .dropdown-menu { display: grid; }
.dropdown-menu a { padding: 10px 12px; border-radius: 6px; }
.dropdown-menu a:hover { background: var(--soft); color: var(--blue); }

.mobile-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  color: var(--navy);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(16,42,67,.14); }
.btn-primary { background: var(--green); color: white; }
.btn-secondary { background: var(--navy); color: white; }
.btn-outline { background: white; color: var(--navy); border-color: var(--line); }
.btn-orange { background: var(--orange); color: white; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.section { padding: 78px 0; }
.section-soft { background: var(--soft); }
.section-head { max-width: 760px; margin-bottom: 32px; }
.eyebrow { color: var(--blue); font-weight: 800; text-transform: uppercase; font-size: 12px; letter-spacing: .08em; }
h1, h2, h3 { margin: 0; line-height: 1.15; color: var(--navy); letter-spacing: 0; }
h1 { font-size: clamp(40px, 6vw, 70px); }
h2 { font-size: clamp(30px, 4vw, 46px); }
h3 { font-size: 21px; }
p { margin: 12px 0 0; color: var(--muted); }

.hero {
  background: linear-gradient(135deg, #eef6ff 0%, #ffffff 48%, #edf8f3 100%);
  padding: 88px 0 62px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 46px;
  align-items: center;
}
.hero-copy p { font-size: 18px; max-width: 670px; }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-image, .image-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: white;
  aspect-ratio: 4 / 3;
}
.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 34px;
}
.trust-pill {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 800;
  color: var(--navy);
  text-align: center;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(16,42,67,.07);
}
.card-body { padding: 22px; }
.card-image { height: 220px; background: #e8eef5; }
.feature-card, .process-step, .material-card, .faq-item {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}
.feature-icon {
  width: 42px;
  height: 42px;
  object-fit: contain;
  margin-bottom: 14px;
}
.process-step strong {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--blue);
  color: white;
  margin-bottom: 16px;
}
.list { padding-left: 18px; color: var(--muted); }
.list li { margin: 7px 0; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; }
.band {
  background: var(--navy);
  color: white;
  padding: 54px;
  border-radius: 8px;
}
.band h2, .band h3, .band p { color: white; }
.band p { opacity: .86; }

.page-hero {
  background: linear-gradient(135deg, #eef6ff 0%, #ffffff 60%);
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}
.page-hero p { max-width: 760px; font-size: 18px; }
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 16px; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-card { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: white; }
.gallery-card .card-image { height: 210px; }
.caption { padding: 14px 16px; color: var(--navy); font-weight: 700; font-size: 14px; }

.product-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.product-detail-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(16,42,67,.07);
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 0;
}

.product-media {
  background: #eef3f8;
  padding: 14px;
}

.product-main-image {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: white;
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.product-thumb {
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  padding: 0;
  background: white;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.product-thumb.is-active {
  border-color: var(--green);
}

.product-info {
  padding: 26px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 4px;
}

.meta-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--navy);
  background: var(--soft);
  font-size: 13px;
  font-weight: 700;
}

.faq-button {
  width: 100%;
  border: 0;
  background: transparent;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
  padding: 0;
}
.faq-answer { display: none; margin-top: 12px; color: var(--muted); }
.faq-item.is-open .faq-answer { display: block; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--navy); font-weight: 800; font-size: 14px; }
.field-hint { color: var(--muted); font-size: 12px; line-height: 1.4; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  background: white;
  color: var(--ink);
}
.field textarea { min-height: 130px; resize: vertical; }
.success-message {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #e9f8ef;
  color: #0f6b3a;
  border: 1px solid #bce7cc;
  font-weight: 700;
}
.success-message.show { display: block; }

.site-footer {
  background: #0c2034;
  color: white;
  padding: 54px 0 26px;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 28px; }
.site-footer h3, .site-footer h4 { color: white; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.75); }
.footer-links { display: grid; gap: 8px; margin-top: 12px; }
.footer-bottom { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.65); font-size: 14px; }

.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  background: var(--green);
  color: white;
  border-radius: 999px;
  padding: 14px 18px;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(24,160,88,.34);
}

@media (max-width: 920px) {
  .mobile-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 67px;
    background: white;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 18px;
    flex-direction: column;
    align-items: stretch;
  }
  .main-nav.is-open { display: flex; }
  .dropdown-menu { position: static; display: grid; box-shadow: none; margin-top: 8px; }
  .header-cta { display: none; }
  .hero-grid, .split, .grid-2 { grid-template-columns: 1fr; }
  .product-detail-card { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .gallery-grid { grid-template-columns: 1fr 1fr; }
  .trust-row { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .section { padding: 56px 0; }
  .hero { padding: 58px 0 42px; }
  .grid-3, .grid-4, .gallery-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .trust-row { grid-template-columns: 1fr; }
  h1 { font-size: 38px; }
  .band { padding: 30px 22px; }
  .whatsapp-float { left: 14px; right: 14px; text-align: center; justify-content: center; border-radius: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}