:root {
  --navy: #0b1c2e;
  --navy-mid: #13283f;
  --navy-soft: #1c3a58;
  --steel: #5b6d80;
  --line: #d5dde5;
  --paper: #f3f5f7;
  --white: #ffffff;
  --ink: #12202e;
  --muted: #4d5d6c;
  --copper: #c56a2d;
  --copper-dark: #a35420;
  --wa: #128c4b;
  --wa-dark: #0e733d;
  --shadow: 0 12px 32px rgba(11, 28, 46, 0.1);
  --radius: 10px;
  --header: 72px;
  --max: 1120px;
  --font: "Source Sans 3", "Segoe UI", Tahoma, sans-serif;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.45em;
}

p {
  margin: 0 0 1em;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--white);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(11, 28, 46, 0.96);
  color: var(--white);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  min-width: 0;
}

.logo__mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.logo__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.logo__name {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.logo__tag {
  font-size: 0.72rem;
  color: #b7c4d1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: auto;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
}

.site-nav a {
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  font-size: 0.92rem;
  color: #d5deea;
  border-radius: 6px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: 0.5rem;
}

.lang-switch {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: 0;
  color: #c5d0dc;
  padding: 0.38rem 0.42rem;
  font: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.lang-btn[aria-pressed="true"] {
  background: var(--copper);
  color: var(--white);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.7rem 1.05rem;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn--primary:hover {
  background: var(--copper-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn--wa {
  background: var(--wa);
  color: var(--white);
}

.btn--wa:hover {
  background: var(--wa-dark);
}

.btn--sm {
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
}

.hero {
  background:
    linear-gradient(105deg, rgba(11, 28, 46, 0.94) 0%, rgba(19, 40, 63, 0.88) 48%, rgba(11, 28, 46, 0.78) 100%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 12px,
      rgba(255, 255, 255, 0.02) 12px,
      rgba(255, 255, 255, 0.02) 13px
    ),
    var(--navy);
  color: var(--white);
  padding: 4.2rem 0 4.6rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 380px;
  height: 380px;
  border: 18px solid rgba(197, 106, 45, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.kicker {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 0.7rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.35rem);
  max-width: 16ch;
}

.hero__lead {
  color: #c9d4e0;
  font-size: 1.08rem;
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.4rem 0 0.8rem;
}

.hero__note {
  color: #9aabbc;
  font-size: 0.9rem;
}

.hero-panel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 1.25rem;
}

.hero-panel h2 {
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}

.hero-panel label {
  display: block;
  font-size: 0.82rem;
  color: #c5d0dc;
  margin-bottom: 0.35rem;
}

.search-row {
  display: flex;
  gap: 0.45rem;
}

.search-row input {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(6, 16, 28, 0.45);
  color: var(--white);
  border-radius: 8px;
  padding: 0.72rem 0.8rem;
  font: inherit;
}

.search-row input::placeholder {
  color: #8b9aab;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 1rem;
}

.hero-stats div {
  background: rgba(6, 16, 28, 0.35);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
}

.hero-stats strong {
  display: block;
  font-family: var(--display);
  font-size: 1.35rem;
}

.hero-stats span {
  font-size: 0.78rem;
  color: #b3c0ce;
}

.trust {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.trust-item {
  padding: 1.4rem 1.2rem;
  border-right: 1px solid var(--line);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item h3 {
  font-size: 1.05rem;
}

.trust-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 4rem 0;
}

.section--alt {
  background: var(--white);
}

.section-head {
  max-width: 640px;
  margin-bottom: 1.8rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.section-head p {
  color: var(--muted);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin-bottom: 0.85rem;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-width: 220px;
  flex: 1;
}

.filter-field span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--steel);
}

.filter-field select {
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  min-height: 42px;
}

.filter-field select:disabled {
  color: var(--muted);
  background: var(--paper);
  cursor: not-allowed;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
}

.chip.is-active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.results-count {
  color: var(--steel);
  font-size: 0.9rem;
}

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

.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 0 rgba(11, 28, 46, 0.03);
}

.product-card__icon {
  width: 48px;
  height: 48px;
  color: var(--navy-soft);
  margin-bottom: 0.5rem;
}

.product-card__icon svg {
  width: 100%;
  height: 100%;
}

.product-card__cat {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 700;
}

.product-card h3 {
  font-size: 1.25rem;
}

.product-card__spec {
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}

.product-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin: 0.2rem 0 1rem;
}

.product-meta dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.product-meta dd {
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.product-card__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.price-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 0.55rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--paper);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  background: var(--white);
  color: var(--muted);
}

.empty[hidden] {
  display: none !important;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.brand-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  min-height: 120px;
}

.section--alt .brand-card {
  background: var(--white);
}

.brand-card__mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--display);
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
}

.brand-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.brand-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.brands-note {
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

.about-points {
  list-style: none;
  margin: 0;
  padding: 1.2rem;
  background: var(--paper);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.about-points li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  padding-left: 1.4rem;
  position: relative;
}

.about-points li:last-child {
  border-bottom: 0;
}

.about-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--copper);
  position: absolute;
  left: 0;
  top: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1.5rem;
}

.contact-card,
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
}

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

.contact-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-list li:last-child {
  border-bottom: 0;
}

.contact-list span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
}

.contact-form .field {
  margin-bottom: 0.85rem;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: var(--paper);
}

.contact-form textarea {
  min-height: 110px;
  resize: vertical;
}

.form-note,
.form-status {
  font-size: 0.88rem;
  color: var(--muted);
}

.form-status {
  margin-top: 0.8rem;
  color: var(--wa-dark);
  font-weight: 600;
}

.site-footer {
  background: var(--navy);
  color: #b7c4d1;
  padding: 1.6rem 0;
  font-size: 0.88rem;
}

.site-footer p {
  margin: 0 0 0.4rem;
}

@media (max-width: 960px) {
  .hero__grid,
  .about-grid,
  .contact-grid,
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  .trust-grid,
  .brand-grid {
    grid-template-columns: 1fr 1fr;
  }

  .trust-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 780px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    background: var(--navy-mid);
    flex-direction: column;
    align-items: stretch;
    padding: 0.6rem;
    gap: 0;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0.9rem;
  }

  .header-tools {
    margin-left: 0;
  }

  .header-tools .btn--wa {
    display: none;
  }

  .logo__tag {
    display: none;
  }

  .hero__grid,
  .about-grid,
  .contact-grid,
  .product-grid,
  .trust-grid,
  .brand-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 2.4rem 0 2.6rem;
  }

  .search-row {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .lang-btn {
    padding: 0.36rem 0.28rem;
    font-size: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}