:root {
  --ink: #111815;
  --muted: #69756f;
  --deep: #053f3a;
  --deep-2: #12635b;
  --mint: #dcefeb;
  --paper: #f6f2e9;
  --soft: #e8eee8;
  --white: #fff;
  --yellow: #d7b05c;
  --line: rgba(17, 24, 21, 0.12);
  --ivory: #fbfaf5;
  --sage: #a9bdb1;
  --clay: #b98462;
  --copper: #a66c48;
  --charcoal: #0b1210;
  --shadow: 0 24px 70px rgba(17, 24, 21, 0.1);
  --shadow-strong: 0 34px 90px rgba(5, 63, 58, 0.18);
  --champagne: #d8bc7a;
  --glass: rgba(255, 255, 255, 0.78);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Manrope, Montserrat, Arial, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(247, 247, 242, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.logo {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--deep);
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.logo-mark {
  display: grid;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: repeating-linear-gradient(
    to bottom,
    #36b7b1 0 7px,
    transparent 7px 12px
  );
  border: 1px solid rgba(0, 70, 68, 0.12);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.nav a {
  white-space: nowrap;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--deep);
  border-radius: 999px;
  background: var(--deep);
  color: var(--white);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
}

.btn.yellow {
  border-color: var(--yellow);
  background: var(--yellow);
  color: var(--deep);
}

.btn.ghost {
  background: transparent;
  color: var(--deep);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 36px;
  min-height: calc(100svh - 76px);
  padding: clamp(38px, 5vw, 70px) clamp(18px, 4vw, 54px) 32px;
  background: var(--mint);
}

.hero.compact {
  min-height: 520px;
}

.crumb {
  margin: 0 0 22px;
  color: var(--deep);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 920px;
  font-size: clamp(44px, 5.5vw, 76px);
  line-height: 0.95;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 680px;
  margin-top: 24px;
  color: #31413d;
  font-size: clamp(17px, 1.8vw, 24px);
  line-height: 1.3;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-media {
  position: relative;
  align-self: stretch;
  min-height: 430px;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 16% 0 0 8%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.hero-media img {
  position: absolute;
  right: -5%;
  bottom: -4%;
  width: min(560px, 105%);
  max-height: 95%;
  object-fit: contain;
  filter: drop-shadow(0 32px 40px rgba(0, 70, 68, 0.2));
}

.strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strip a,
.strip button {
  min-height: 104px;
  padding: 22px;
  border: 0;
  border-right: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  font-weight: 900;
  text-transform: uppercase;
}

.strip span {
  display: block;
  margin-bottom: 18px;
  color: var(--deep);
  font-size: 12px;
}

.section {
  padding: clamp(58px, 8vw, 110px) clamp(18px, 4vw, 54px);
}

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

.section.dark {
  background: var(--deep);
  color: var(--white);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

h2 {
  font-size: clamp(36px, 5.8vw, 82px);
  line-height: 0.96;
  text-transform: uppercase;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.45;
}

.dark .lead {
  color: rgba(255, 255, 255, 0.72);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

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

.grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  display: grid;
  min-height: 290px;
  align-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.card.dark-card {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.card img {
  width: 100%;
  height: 220px;
  margin-bottom: 24px;
  object-fit: contain;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.05;
  text-transform: uppercase;
}

.card p {
  color: var(--muted);
  line-height: 1.45;
}

.solution-card {
  min-height: 340px;
}

.compact-card {
  min-height: 230px;
}

.card-result {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid rgba(0, 70, 68, 0.18);
  border-radius: 8px;
  background: var(--soft);
  color: var(--deep);
  font-weight: 900;
  line-height: 1.35;
}

.mini-spec {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
}

.mini-spec div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.mini-spec dt {
  margin-bottom: 5px;
  color: var(--deep);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.mini-spec dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
}

.compare {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.compare-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.compare-card h3 {
  margin-bottom: 24px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 0.96;
  text-transform: uppercase;
}

.compare-card dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.compare-card div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.compare-card dt {
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.compare-card dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.spec-table {
  display: grid;
  gap: 1px;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.spec-table div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  padding: 14px 16px;
  background: var(--white);
}

.spec-table b {
  color: var(--deep);
  font-size: 12px;
  text-transform: uppercase;
}

.spec-table span {
  color: var(--muted);
  line-height: 1.35;
}

.dark-spec {
  margin-top: 26px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.dark-spec div {
  background: rgba(255, 255, 255, 0.07);
}

.dark-spec b {
  color: var(--yellow);
}

.dark-spec span {
  color: rgba(255, 255, 255, 0.78);
}

.system-rows {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.system-row {
  display: grid;
  grid-template-columns: 90px minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 22px;
  background: var(--white);
}

.system-row b {
  color: var(--deep);
  font-size: 28px;
}

.system-row h3 {
  font-size: 22px;
  line-height: 1.08;
  text-transform: uppercase;
}

.system-row p {
  color: var(--muted);
  line-height: 1.45;
}

.system-cards {
  display: grid;
  gap: 14px;
}

.system-switch {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: -12px 0 18px;
}

.system-switch a {
  display: grid;
  gap: 10px;
  min-height: 96px;
  align-content: space-between;
  padding: 16px;
  border: 1px solid rgba(17, 24, 21, 0.1);
  border-radius: 8px;
  background: rgba(251, 250, 245, 0.9);
  box-shadow: 0 16px 42px rgba(17, 24, 21, 0.05);
  transition: transform 260ms var(--ease), border-color 260ms var(--ease), box-shadow 260ms var(--ease), background 260ms var(--ease);
}

.system-switch a:hover,
.system-switch a:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(215, 176, 92, 0.56);
  background: var(--deep);
  box-shadow: var(--shadow);
}

.system-switch b {
  color: var(--copper);
  font-size: 12px;
  font-weight: 950;
}

.system-switch span {
  color: var(--deep);
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 950;
  line-height: 0.95;
  text-transform: uppercase;
}

.system-switch a:hover b,
.system-switch a:focus-visible b {
  color: var(--yellow);
}

.system-switch a:hover span,
.system-switch a:focus-visible span {
  color: var(--white);
}

.system-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.34fr) minmax(0, 1fr);
  gap: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.system-card-media {
  min-height: 360px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--soft);
}

.system-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.system-card-content {
  padding: 8px;
}

.system-card-content h3 {
  max-width: 980px;
  margin-bottom: 10px;
  color: var(--deep);
  font-size: clamp(28px, 4vw, 52px);
  line-height: 0.98;
  text-transform: uppercase;
}

.system-card-content > p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.4;
}

.system-card-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.system-card-metrics div {
  padding: 14px 16px;
  border: 1px solid rgba(215, 176, 92, 0.4);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(215, 176, 92, 0.16), rgba(251, 250, 245, 0.95));
}

.system-card-metrics b {
  display: block;
  margin-bottom: 6px;
  color: var(--copper);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.system-card-metrics span {
  color: var(--deep);
  font-weight: 900;
  line-height: 1.32;
}

.system-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.system-card-grid > div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.system-card-grid b {
  display: block;
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 12px;
  text-transform: uppercase;
}

.system-card-grid p,
.system-card-grid li {
  color: var(--muted);
  line-height: 1.4;
}

.system-card-grid ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 18px;
}

.search-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin: 0 0 18px;
}

.search-box input {
  min-height: 56px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 18px;
  background: var(--white);
  color: var(--deep);
  font: inherit;
}

.search-result {
  text-decoration: none;
}

.search-result span {
  display: inline-flex;
  margin-top: 18px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.source-section {
  background: var(--paper);
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.source-card {
  display: grid;
  min-height: 250px;
  align-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.source-card b {
  color: var(--deep);
  font-size: 13px;
  font-weight: 950;
}

.source-card h3 {
  margin: 24px 0 12px;
  color: var(--deep);
  font-size: 25px;
  line-height: 1.02;
  text-transform: uppercase;
}

.source-card p {
  color: var(--muted);
  line-height: 1.45;
}

.source-links {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.source-links a {
  display: grid;
  gap: 8px;
  min-height: 120px;
  align-content: start;
  padding: 16px;
  border: 1px solid rgba(0, 70, 68, 0.18);
  border-radius: 8px;
  background: var(--mint);
}

.source-links strong {
  color: var(--deep);
  font-size: 12px;
  text-transform: uppercase;
}

.source-links span {
  color: #31413d;
  font-size: 13px;
  line-height: 1.35;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.cert-card {
  display: grid;
  min-height: 210px;
  align-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.cert-card span {
  color: var(--deep);
  font-size: 26px;
  font-weight: 950;
  line-height: 1;
  text-transform: uppercase;
}

.cert-card p {
  color: var(--muted);
  line-height: 1.45;
}

.cert-card b {
  color: var(--deep);
  font-size: 12px;
  text-transform: uppercase;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
}

.gallery-card {
  position: relative;
  min-height: 320px;
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--soft);
}

.gallery-card:nth-child(4n + 1) {
  min-height: 560px;
  grid-row: span 2;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-card figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(16, 24, 22, 0.78);
  color: var(--white);
}

.gallery-card b {
  font-size: 18px;
  text-transform: uppercase;
}

.gallery-card span {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.35;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.faq-item h3 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.1;
  text-transform: uppercase;
}

.faq-item p {
  color: var(--muted);
  line-height: 1.45;
}

.dark .card p,
.dark-card p {
  color: rgba(255, 255, 255, 0.72);
}

.meta {
  margin-bottom: 22px;
  color: var(--deep);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.benefit {
  min-height: 220px;
  padding: 24px;
  background: var(--paper);
}

.benefit b {
  display: block;
  margin-bottom: 40px;
  color: var(--deep);
  font-size: 42px;
  line-height: 1;
}

.benefit span {
  display: block;
  margin-bottom: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.benefit p {
  color: var(--muted);
  line-height: 1.42;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--deep);
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
}

.filter.active {
  border-color: var(--deep);
  background: var(--deep);
  color: var(--white);
}

.path-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.path-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 88px;
  padding: 18px 22px;
  background: var(--white);
}

.path-row b {
  color: var(--deep);
}

.path-row strong {
  text-transform: uppercase;
}

.feature {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.1fr);
  gap: 30px;
  align-items: stretch;
}

.feature-image {
  overflow: hidden;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
  line-height: 1.4;
}

.list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  text-transform: uppercase;
}

.form-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 34px;
  background: var(--ink);
  color: var(--white);
}

.form-panel .lead {
  color: rgba(255, 255, 255, 0.68);
}

form {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

input,
select,
textarea {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
}

textarea {
  min-height: 104px;
  padding-top: 14px;
  resize: vertical;
}

.form-note {
  display: none;
  padding: 14px 16px;
  border-radius: 6px;
  background: rgba(233, 194, 0, 0.16);
  color: var(--white);
  line-height: 1.35;
}

.form-note.is-visible {
  display: block;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 28px;
  padding: 46px clamp(18px, 4vw, 54px);
  background: #071311;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer img {
  width: 124px;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
}

.site-footer h3 {
  margin-bottom: 14px;
  color: var(--white);
  font-size: 14px;
  text-transform: uppercase;
}

.site-footer a,
.site-footer span {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
}

.copy {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

/* Premium editorial layer */
body {
  background:
    linear-gradient(180deg, var(--ivory) 0%, var(--paper) 34%, #edf3ef 100%);
  text-rendering: geometricPrecision;
}

.site-header {
  background: rgba(251, 250, 245, 0.9);
  box-shadow: 0 18px 44px rgba(11, 18, 16, 0.06);
  backdrop-filter: blur(22px) saturate(140%);
}

.nav a,
.btn,
.filter,
.card,
.compare-card,
.cert-card,
.source-card,
.path-row,
.system-card,
.system-row,
.gallery-card,
.benefit {
  transition:
    transform 260ms var(--ease),
    box-shadow 260ms var(--ease),
    border-color 260ms var(--ease),
    background 260ms var(--ease),
    color 220ms var(--ease),
    opacity 260ms var(--ease);
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--champagne), transparent);
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.nav a:hover {
  color: var(--deep);
}

.nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.btn {
  box-shadow: 0 12px 30px rgba(5, 63, 58, 0.14);
}

.btn:hover,
.filter:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 46px rgba(5, 63, 58, 0.2);
}

.btn.yellow {
  border-color: var(--champagne);
  background: linear-gradient(135deg, #f0d993 0%, var(--champagne) 52%, #b98a45 100%);
  color: #092522;
}

.btn:focus-visible,
.filter:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

.hero {
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(11, 18, 16, 0.94) 0%, rgba(5, 63, 58, 0.86) 48%, rgba(220, 239, 235, 0.74) 100%),
    var(--mint);
  color: var(--white);
}

.hero .crumb,
.dark .crumb {
  color: var(--champagne);
}

.hero-copy {
  color: rgba(255, 255, 255, 0.78);
}

.hero-media::before {
  border-color: rgba(255, 255, 255, 0.24);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.44));
  box-shadow: 0 42px 110px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(10px);
}

.hero-media img {
  filter: drop-shadow(0 36px 54px rgba(0, 0, 0, 0.34));
}

.section.alt {
  background: linear-gradient(180deg, rgba(232, 238, 232, 0.94), rgba(251, 250, 245, 0.9));
}

.section.dark {
  background: linear-gradient(145deg, var(--charcoal) 0%, var(--deep) 72%, #173e35 100%);
}

.card,
.compare-card,
.cert-card,
.source-card,
.system-card,
.system-row,
.faq-item {
  border-color: rgba(17, 24, 21, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 250, 245, 0.96));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.82) inset;
}

.card:hover,
.compare-card:hover,
.cert-card:hover,
.source-card:hover,
.path-row:hover,
.system-card:hover,
.gallery-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 188, 122, 0.46);
  box-shadow: var(--shadow-strong);
}

.card.dark-card:hover {
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.18);
}

.card h3,
.compare-card h3,
.source-card h3,
.system-card-content h3,
.faq-item h3 {
  color: var(--deep);
}

.dark .card h3,
.dark .compare-card h3 {
  color: var(--white);
}

.card-result,
.mini-spec div,
.system-card-grid > div {
  background: linear-gradient(135deg, rgba(220, 239, 235, 0.92), rgba(251, 250, 245, 0.94));
}

.source-links a {
  background: linear-gradient(135deg, rgba(220, 239, 235, 0.95), rgba(246, 242, 233, 0.98));
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.source-links a:hover {
  transform: translateY(-3px);
  border-color: rgba(216, 188, 122, 0.54);
  box-shadow: var(--shadow);
}

.gallery-card img,
.feature-image img,
.system-card-media img,
.card img,
.hero-media img {
  transition: transform 420ms var(--ease), filter 420ms var(--ease);
}

.gallery-card:hover img,
.feature:hover .feature-image img,
.system-card:hover .system-card-media img,
.card:hover img {
  transform: scale(1.025);
}

.strip a:hover,
.strip button:hover {
  background: var(--ivory);
  color: var(--deep);
  box-shadow: inset 0 -2px 0 var(--champagne);
}

.path-row {
  background: rgba(255, 255, 255, 0.72);
}

.path-row:hover {
  background: var(--ivory);
}

input,
select,
textarea {
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--champagne);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(216, 188, 122, 0.16);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav {
    display: none;
  }

  .hero,
  .feature,
  .form-panel {
    grid-template-columns: 1fr;
  }

  .strip,
  .benefits,
  .grid,
  .grid.three,
  .grid.four,
  .media-grid,
  .source-grid,
  .cert-grid,
  .gallery-grid,
  .source-links,
  .system-switch,
  .system-card-metrics,
  .system-card-grid,
  .system-card,
  .system-row,
  .site-footer {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-media {
    min-height: 360px;
  }

  .hero-collage {
    min-height: 430px;
  }

  .hero-shot-main {
    width: 72%;
    height: 70%;
  }

  .hero-shot-side {
    width: 46%;
    height: 44%;
  }
}

@media (max-width: 1280px) {
  .site-header {
    gap: 16px;
    padding-right: 28px;
    padding-left: 28px;
  }

  .nav {
    gap: 14px;
    font-size: 12px;
  }

  .header-actions .ghost {
    display: none;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
    gap: 12px;
  }

  .logo {
    font-size: 13px;
  }

  .logo-mark {
    width: 30px;
    height: 30px;
  }

  .header-actions .ghost {
    display: none;
  }

  .btn {
    min-height: 42px;
    padding: 0 15px;
    font-size: 12px;
  }

  .hero {
    min-height: auto;
    padding-top: 30px;
  }

  h1 {
    font-size: clamp(38px, 12vw, 48px);
    line-height: 1;
  }

  .hero-copy,
  .lead {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 430px;
    margin-top: 18px;
  }

  .hero-collage {
    min-height: 410px;
  }

  .hero-shot-main {
    right: 0;
    width: 82%;
    height: 62%;
  }

  .hero-shot-side {
    top: 0;
    left: 0;
    width: 56%;
    height: 40%;
  }

  .hero-material-card {
    top: auto;
    bottom: 14px;
    left: 0;
    min-width: 132px;
  }

  .hero-note {
    top: 44%;
    right: 0;
    max-width: 210px;
    font-size: 12px;
  }

  .hero-shot figcaption {
    right: 10px;
    bottom: 10px;
    left: 10px;
    padding: 11px;
  }

  .card-visual {
    min-height: 210px;
  }

  .strip,
  .benefits,
  .grid,
  .grid.two,
  .grid.three,
  .grid.four,
  .media-grid,
  .compare,
  .source-grid,
  .cert-grid,
  .gallery-grid,
  .source-links,
  .system-switch,
  .system-card-metrics,
  .system-card-grid,
  .system-card,
  .system-row,
  .search-box,
  .spec-table div,
  .section-head,
  .path-row,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .strip a,
  .strip button {
    min-height: 86px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .card,
  .benefit {
    min-height: auto;
  }

  .feature-image {
    min-height: 340px;
  }

  .gallery-card,
  .gallery-card:nth-child(4n + 1) {
    min-height: 320px;
    grid-row: auto;
  }

  .media-tile,
  .media-tile.wide {
    min-height: 320px;
    grid-row: auto;
  }

  .path-row {
    align-items: start;
  }
}

/* Premium visual layer */
body {
  min-width: 320px;
  background:
    radial-gradient(circle at 10% -10%, rgba(215, 176, 92, 0.15), transparent 28rem),
    linear-gradient(180deg, var(--ivory) 0%, var(--paper) 52%, #f1ede4 100%);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(215, 176, 92, 0.36);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 4px;
}

a,
button,
.card,
.path-row,
.source-card,
.cert-card,
.gallery-card,
.faq-item,
.system-row,
.system-card,
.compare-card,
.benefit,
input,
select,
textarea {
  transition:
    color 220ms var(--ease),
    background-color 220ms var(--ease),
    border-color 220ms var(--ease),
    box-shadow 260ms var(--ease),
    transform 260ms var(--ease),
    opacity 220ms var(--ease);
}

.site-header {
  min-height: 84px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(251, 250, 245, 0.86);
  box-shadow: 0 14px 40px rgba(17, 24, 21, 0.06);
  backdrop-filter: blur(22px) saturate(1.16);
}

.logo {
  color: var(--ink);
  letter-spacing: 0.04em;
}

.logo-mark {
  position: relative;
  overflow: hidden;
  border-color: rgba(215, 176, 92, 0.42);
  background:
    linear-gradient(135deg, rgba(215, 176, 92, 0.92), rgba(18, 99, 91, 0.88)),
    repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 0 5px, transparent 5px 10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.44), 0 12px 24px rgba(5, 63, 58, 0.16);
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 3px;
}

.nav a {
  position: relative;
  color: rgba(17, 24, 21, 0.78);
  letter-spacing: 0.035em;
}

.nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 260ms var(--ease);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--deep);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-color: rgba(5, 63, 58, 0.92);
  background: linear-gradient(135deg, var(--deep), var(--deep-2));
  box-shadow: 0 14px 30px rgba(5, 63, 58, 0.18);
  letter-spacing: 0.045em;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 42%);
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(5, 63, 58, 0.24);
}

.btn:hover::before,
.btn:focus-visible::before {
  opacity: 1;
}

.btn.yellow {
  border-color: rgba(215, 176, 92, 0.92);
  background: linear-gradient(135deg, #f1d88d, var(--yellow) 62%, #bd8b45);
  color: #13221e;
  box-shadow: 0 16px 34px rgba(166, 108, 72, 0.22);
}

.btn.ghost {
  border-color: rgba(5, 63, 58, 0.2);
  background: rgba(255, 255, 255, 0.56);
  color: var(--deep);
  box-shadow: none;
}

.btn:disabled {
  cursor: progress;
  opacity: 0.66;
  transform: none;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(5, 63, 58, 0.1);
  background:
    linear-gradient(120deg, rgba(251, 250, 245, 0.96) 0%, rgba(220, 239, 235, 0.9) 45%, rgba(169, 189, 177, 0.78) 100%),
    var(--mint);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 63, 58, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(5, 63, 58, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.38), transparent 62%);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.crumb,
.meta {
  color: var(--copper);
  letter-spacing: 0.11em;
}

h1,
h2,
.compare-card h3,
.system-card-content h3 {
  max-width: 13ch;
  color: var(--ink);
  font-weight: 950;
  letter-spacing: 0;
}

h1 {
  text-wrap: balance;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.62);
}

.hero-copy,
.lead {
  color: rgba(17, 24, 21, 0.68);
  text-wrap: pretty;
}

.hero-media::before {
  inset: 10% 3% 4% 2%;
  border-color: rgba(255, 255, 255, 0.68);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(232, 238, 232, 0.64)),
    radial-gradient(circle at 70% 20%, rgba(215, 176, 92, 0.2), transparent 18rem);
  box-shadow: var(--shadow-strong);
}

.hero-media::after {
  content: "";
  position: absolute;
  right: 6%;
  bottom: 9%;
  width: 46%;
  height: 18px;
  border-radius: 999px;
  background: rgba(5, 63, 58, 0.16);
  filter: blur(16px);
}

.hero-media img {
  filter: drop-shadow(0 34px 46px rgba(5, 63, 58, 0.22));
  transition: transform 600ms var(--ease), filter 600ms var(--ease);
}

.hero:hover .hero-media img {
  transform: translate3d(-8px, -6px, 0) scale(1.015);
  filter: drop-shadow(0 44px 58px rgba(5, 63, 58, 0.26));
}

.hero-media {
  display: grid;
  align-items: center;
  min-height: 520px;
}

.hero-media::before,
.hero-media::after {
  content: none;
}

.hero-collage {
  position: relative;
  min-height: 500px;
  isolation: isolate;
}

.hero-collage::before {
  content: "";
  position: absolute;
  inset: 8% 2% 4% 6%;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(232, 238, 232, 0.52)),
    radial-gradient(circle at 72% 18%, rgba(215, 176, 92, 0.25), transparent 18rem);
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(14px);
}

.hero-collage::after {
  content: "";
  position: absolute;
  right: 10%;
  bottom: 6%;
  z-index: -2;
  width: 54%;
  height: 30px;
  border-radius: 999px;
  background: rgba(5, 63, 58, 0.18);
  filter: blur(20px);
}

.hero-shot {
  position: absolute;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 8px;
  background: var(--ivory);
  box-shadow: var(--shadow);
}

.hero-shot img {
  position: static;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  filter: none;
}

.hero-shot-main {
  right: 0;
  bottom: 0;
  width: min(560px, 74%);
  height: 72%;
}

.hero-shot-side {
  top: 3%;
  left: 2%;
  width: 43%;
  height: 48%;
}

.hero-shot-side img {
  object-fit: cover;
}

.hero-shot figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(11, 18, 16, 0.72);
  color: var(--white);
  backdrop-filter: blur(14px);
}

.hero-shot figcaption b {
  color: var(--yellow);
  font-size: 12px;
  text-transform: uppercase;
}

.hero-shot figcaption span {
  font-weight: 900;
  line-height: 1.12;
  text-transform: uppercase;
}

.hero-material-card,
.hero-note {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 8px;
  background: rgba(251, 250, 245, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-material-card {
  top: 52%;
  left: 0;
  display: grid;
  gap: 4px;
  min-width: 168px;
  padding: 18px;
}

.hero-material-card b {
  color: var(--deep);
  font-size: clamp(32px, 4vw, 56px);
  line-height: 0.9;
}

.hero-material-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-note {
  right: 6%;
  top: 8%;
  max-width: 300px;
  padding: 15px 18px;
  color: var(--deep);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.25;
  text-transform: uppercase;
}

.card-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 230px;
  margin-bottom: 24px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(220, 239, 235, 0.92), rgba(246, 242, 233, 0.94)),
    var(--soft);
}

.card-visual::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(5, 63, 58, 0.08);
  border-radius: 8px;
}

.card-visual img {
  height: 210px;
  margin: 0;
  padding: 0;
  background: transparent;
  object-fit: contain;
  filter: drop-shadow(0 24px 28px rgba(5, 63, 58, 0.16));
}

.card-visual span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  max-width: calc(100% - 24px);
  padding: 9px 11px;
  border-radius: 999px;
  background: rgba(11, 18, 16, 0.76);
  color: var(--white);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.card-metrics {
  margin-top: 20px;
}

.card-metrics div {
  background: rgba(255, 255, 255, 0.62);
}

.media-showcase {
  overflow: hidden;
}

.media-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.8fr;
  gap: 16px;
}

.media-tile {
  position: relative;
  min-height: 360px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 21, 0.1);
  border-radius: 8px;
  background: var(--soft);
  box-shadow: var(--shadow);
}

.media-tile.wide {
  min-height: 540px;
  grid-row: span 2;
}

.media-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease), filter 700ms var(--ease);
}

.media-tile:hover img {
  transform: scale(1.035);
  filter: saturate(1.05) contrast(1.02);
}

.media-tile figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(11, 18, 16, 0.76);
  color: var(--white);
  backdrop-filter: blur(14px);
}

.media-tile b {
  color: var(--yellow);
  font-size: 12px;
  text-transform: uppercase;
}

.media-tile span {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.35;
}

.video-card {
  gap: 18px;
}

.video-thumb {
  position: relative;
  min-height: 210px;
  margin-bottom: 4px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--soft);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  margin: 0;
  padding: 0;
  object-fit: cover;
  filter: none;
}

.video-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 18, 16, 0.42) 100%);
}

.video-thumb span {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: inline-grid;
  min-width: 72px;
  min-height: 42px;
  place-items: center;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--champagne);
  color: var(--deep);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.section {
  position: relative;
}

.section.alt {
  background:
    linear-gradient(180deg, rgba(232, 238, 232, 0.88), rgba(246, 242, 233, 0.9)),
    var(--soft);
}

.section.dark,
.form-panel {
  background:
    radial-gradient(circle at 12% 0%, rgba(215, 176, 92, 0.14), transparent 30rem),
    linear-gradient(135deg, var(--charcoal), var(--deep) 100%);
}

.section.dark h2,
.form-panel h2 {
  color: var(--white);
}

.section-head {
  border-bottom: 1px solid rgba(17, 24, 21, 0.08);
  padding-bottom: 28px;
}

.dark .section-head,
.form-panel .section-head {
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.grid {
  gap: 16px;
}

.card,
.source-card,
.cert-card,
.faq-item,
.compare-card,
.system-card,
.system-row,
.benefit,
.mini-spec div,
.system-card-grid > div,
.list li {
  border-color: rgba(17, 24, 21, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(251, 250, 245, 0.9)),
    var(--white);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8), 0 16px 42px rgba(17, 24, 21, 0.06);
}

.card:hover,
.source-card:hover,
.cert-card:hover,
.faq-item:hover,
.compare-card:hover,
.system-card:hover,
.system-row:hover,
.benefit:hover,
.path-row:hover,
.source-links a:hover {
  transform: translateY(-4px);
  border-color: rgba(215, 176, 92, 0.52);
  box-shadow: var(--shadow);
}

.card img {
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(220, 239, 235, 0.46), rgba(246, 242, 233, 0.8)),
    var(--soft);
  object-position: center;
  padding: 14px;
}

.card h3,
.source-card h3,
.cert-card span,
.faq-item h3,
.system-row h3,
.compare-card h3 {
  color: var(--deep);
  letter-spacing: 0;
  text-wrap: balance;
}

.card p,
.source-card p,
.cert-card p,
.faq-item p,
.system-row p,
.benefit p,
.spec-table span,
.compare-card dd,
.mini-spec dd,
.system-card-grid p,
.system-card-grid li {
  color: var(--muted);
}

.card.dark-card {
  border-color: rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.055));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.dark .card h3,
.dark-card h3 {
  color: var(--white);
}

.strip {
  border-color: rgba(17, 24, 21, 0.1);
  background: rgba(17, 24, 21, 0.1);
}

.strip a,
.strip button,
.path-row {
  background: rgba(251, 250, 245, 0.9);
}

.strip a:hover,
.strip button:hover {
  background: var(--deep);
  color: var(--white);
}

.strip a:hover span,
.strip button:hover span {
  color: var(--yellow);
}

.filters {
  padding: 8px;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.68);
}

.filter {
  border-color: transparent;
  background: transparent;
  color: rgba(17, 24, 21, 0.62);
  letter-spacing: 0.045em;
}

.filter:hover,
.filter:focus-visible {
  background: rgba(255, 255, 255, 0.72);
  color: var(--deep);
}

.filter.active {
  border-color: rgba(5, 63, 58, 0.9);
  background: linear-gradient(135deg, var(--deep), var(--deep-2));
  box-shadow: 0 12px 24px rgba(5, 63, 58, 0.16);
}

.path-list,
.system-rows,
.spec-table {
  gap: 0;
  border-color: rgba(17, 24, 21, 0.1);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(17, 24, 21, 0.09);
  box-shadow: 0 16px 48px rgba(17, 24, 21, 0.05);
}

.path-row {
  grid-template-columns: 90px minmax(180px, 0.42fr) minmax(220px, 1fr);
}

.path-row b,
.system-row b,
.benefit b {
  color: var(--copper);
}

.path-row span {
  color: var(--muted);
  line-height: 1.4;
}

.source-links {
  gap: 12px;
}

.source-links a {
  border-color: rgba(5, 63, 58, 0.12);
  background:
    linear-gradient(145deg, rgba(220, 239, 235, 0.84), rgba(251, 250, 245, 0.92)),
    var(--mint);
}

.gallery-card {
  box-shadow: var(--shadow);
}

.gallery-card img,
.feature-image img,
.system-card-media img {
  transition: transform 700ms var(--ease), filter 700ms var(--ease);
}

.gallery-card:hover img,
.feature-image:hover img,
.system-card:hover .system-card-media img {
  transform: scale(1.035);
}

.gallery-card figcaption {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(11, 18, 16, 0.76);
  backdrop-filter: blur(14px);
}

.feature-image,
.system-card-media {
  border-color: rgba(17, 24, 21, 0.1);
  box-shadow: var(--shadow);
}

form {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 24px 80px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

input,
select,
textarea {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(251, 250, 245, 0.96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(215, 176, 92, 0.66);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--yellow);
  outline: none;
  box-shadow: 0 0 0 4px rgba(215, 176, 92, 0.2);
}

.form-note {
  border: 1px solid rgba(215, 176, 92, 0.34);
  background: rgba(215, 176, 92, 0.14);
}

.site-footer {
  background:
    radial-gradient(circle at 12% 0%, rgba(215, 176, 92, 0.12), transparent 26rem),
    linear-gradient(135deg, #07100e, #0d211e 100%);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--yellow);
}

@media (max-width: 1100px) {
  .site-header {
    min-height: 74px;
  }

  .section-head,
  .path-row {
    gap: 18px;
  }

  .filters {
    border-radius: 8px;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 68px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .hero {
    padding-bottom: 28px;
  }

  h1,
  h2,
  .compare-card h3,
  .system-card-content h3 {
    max-width: none;
  }

  .section-head {
    padding-bottom: 22px;
  }

  .filters {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter {
    min-width: 0;
    padding-right: 10px;
    padding-left: 10px;
    white-space: normal;
  }

  .path-row {
    grid-template-columns: 1fr;
  }

  .source-links a,
  .card,
  .source-card,
  .cert-card,
  .faq-item,
  .compare-card {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Editorial image direction */
.hero-media,
.feature-image,
.system-card-media,
.gallery-card,
.card:has(> img) {
  isolation: isolate;
}

.hero-media {
  display: grid;
  min-height: clamp(390px, 46vw, 650px);
  padding: clamp(14px, 2vw, 28px);
}

.hero-media::before {
  inset: clamp(18px, 4vw, 48px) clamp(6px, 2vw, 24px) clamp(8px, 2vw, 28px) clamp(18px, 4vw, 54px);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.34) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(145deg, rgba(251, 250, 245, 0.88), rgba(220, 239, 235, 0.66) 52%, rgba(169, 189, 177, 0.48)),
    var(--soft);
  background-size: 44px 44px, 44px 44px, auto, auto;
  clip-path: polygon(0 0, 100% 0, 94% 100%, 7% 100%);
  box-shadow:
    0 44px 110px rgba(5, 63, 58, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.hero-media::after {
  right: auto;
  bottom: clamp(22px, 5vw, 70px);
  left: 0;
  z-index: -1;
  width: 44%;
  height: 34%;
  border: 1px solid rgba(215, 176, 92, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(215, 176, 92, 0.22), rgba(166, 108, 72, 0.08)),
    repeating-linear-gradient(135deg, rgba(5, 63, 58, 0.13) 0 1px, transparent 1px 9px);
  filter: none;
  box-shadow: 0 28px 70px rgba(17, 24, 21, 0.12);
  transform: translateX(4%);
}

.hero-media > img {
  inset: clamp(34px, 6vw, 78px) clamp(-26px, -2vw, -10px) clamp(8px, 2vw, 26px) clamp(34px, 5vw, 70px);
  width: auto;
  height: auto;
  max-width: calc(100% - 34px);
  max-height: calc(100% - 20px);
  margin: auto 0 0 auto;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 30px 42px rgba(5, 63, 58, 0.24));
}

.hero-media:has(img[src*="interior"])::before {
  inset: clamp(10px, 3vw, 34px) clamp(0px, 1vw, 16px) clamp(18px, 3vw, 42px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(180deg, rgba(11, 18, 16, 0.06), rgba(11, 18, 16, 0.16)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.34) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(145deg, #fbfaf5, #dcefeb 58%, #a9bdb1);
  background-size: auto, 56px 56px, 56px 56px, auto;
}

.hero-media:has(> img[src*="interior"]) > img {
  inset: clamp(24px, 4vw, 50px) clamp(18px, 4vw, 56px) clamp(30px, 5vw, 68px) clamp(50px, 8vw, 108px);
  width: calc(100% - clamp(70px, 12vw, 160px));
  height: calc(100% - clamp(62px, 10vw, 128px));
  max-width: none;
  max-height: none;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 8px;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
  box-shadow: 0 28px 70px rgba(5, 63, 58, 0.22);
}

.hero-media:has(> img[src*="logo"]) > img {
  place-self: center;
  max-width: 58%;
  max-height: 58%;
  margin: auto;
  padding: 32px;
  border-radius: 8px;
  background: rgba(251, 250, 245, 0.74);
}

.feature-image {
  position: relative;
  min-height: clamp(430px, 46vw, 650px);
  padding: clamp(14px, 2vw, 24px);
  border: 0;
  background:
    linear-gradient(90deg, rgba(5, 63, 58, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(5, 63, 58, 0.06) 1px, transparent 1px),
    linear-gradient(145deg, rgba(251, 250, 245, 0.92), rgba(220, 239, 235, 0.7)),
    var(--soft);
  background-size: 52px 52px, 52px 52px, auto, auto;
  box-shadow: var(--shadow-strong);
}

.feature-image::before,
.feature-image::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 8px;
  pointer-events: none;
}

.feature-image::before {
  top: 8%;
  right: -4%;
  width: 44%;
  height: 34%;
  border: 1px solid rgba(215, 176, 92, 0.44);
  background: rgba(215, 176, 92, 0.12);
}

.feature-image::after {
  bottom: -3%;
  left: 8%;
  width: 64%;
  height: 18%;
  background: rgba(5, 63, 58, 0.14);
  filter: blur(18px);
}

.feature-image img {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 8px;
  box-shadow: 0 26px 60px rgba(17, 24, 21, 0.16);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  object-position: center;
}

.feature-image:has(img[src*="product"]) img,
.feature-image:has(img[src*="detail"]) img,
.feature-image:has(img[src*="logo"]) img {
  padding: clamp(18px, 3vw, 38px);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(246, 242, 233, 0.5)),
    repeating-linear-gradient(135deg, rgba(5, 63, 58, 0.07) 0 1px, transparent 1px 10px);
  object-fit: contain;
}

.card:has(> img) {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 250, 245, 0.94)),
    var(--white);
}

.card:has(> img)::before {
  content: "";
  position: absolute;
  inset: 14px 14px auto;
  height: 238px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(5, 63, 58, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(5, 63, 58, 0.055) 1px, transparent 1px),
    linear-gradient(145deg, rgba(220, 239, 235, 0.76), rgba(246, 242, 233, 0.92));
  background-size: 34px 34px, 34px 34px, auto;
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0 100%);
}

.card:has(> img)::after {
  content: "";
  position: absolute;
  top: 28px;
  right: 24px;
  width: 68px;
  height: 2px;
  background: var(--champagne);
}

.card img {
  position: relative;
  z-index: 1;
  height: 238px;
  margin: -2px 0 24px;
  padding: 18px;
  border-radius: 8px;
  background: transparent;
  filter: drop-shadow(0 18px 24px rgba(5, 63, 58, 0.16));
}

.system-card {
  position: relative;
  overflow: hidden;
  grid-template-columns: minmax(280px, 0.38fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(16px, 2vw, 24px);
}

.system-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: clamp(180px, 26vw, 420px);
  background:
    linear-gradient(90deg, rgba(215, 176, 92, 0.18), transparent),
    repeating-linear-gradient(135deg, rgba(5, 63, 58, 0.055) 0 1px, transparent 1px 10px);
  pointer-events: none;
}

.system-card-media {
  position: relative;
  min-height: clamp(300px, 34vw, 460px);
  border: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(145deg, rgba(11, 18, 16, 0.92), rgba(5, 63, 58, 0.78) 56%, rgba(166, 108, 72, 0.42));
  background-size: 40px 40px, 40px 40px, auto;
  box-shadow: 0 24px 64px rgba(5, 63, 58, 0.18);
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
}

.system-card-media::before {
  content: "";
  position: absolute;
  inset: 16px;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
}

.system-card-media img {
  padding: clamp(10px, 2vw, 22px);
  object-fit: cover;
  object-position: center;
  mix-blend-mode: normal;
  filter: saturate(0.96) contrast(1.04);
}

.system-card-grid > div {
  position: relative;
  overflow: hidden;
}

.system-card-grid > div::before {
  content: "";
  display: block;
  width: 42px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--champagne);
}

.system-row {
  position: relative;
  grid-template-columns: 92px minmax(180px, 0.36fr) minmax(0, 1fr);
  overflow: hidden;
}

.system-row::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 22px;
  width: 42px;
  height: 2px;
  background: var(--champagne);
  transform: translateY(-8px);
}

.system-row::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--champagne), rgba(18, 99, 91, 0.1));
  opacity: 0;
  transition: opacity 260ms var(--ease);
}

.system-row:hover::after {
  opacity: 1;
}

.gallery-grid {
  gap: clamp(12px, 2vw, 18px);
}

.gallery-card {
  background:
    linear-gradient(135deg, rgba(5, 63, 58, 0.16), rgba(215, 176, 92, 0.18)),
    var(--soft);
}

.gallery-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 6px;
  pointer-events: none;
}

.gallery-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 44%, rgba(11, 18, 16, 0.58));
  pointer-events: none;
}

.gallery-card:nth-child(4n + 1) {
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}

.gallery-card img {
  filter: saturate(0.95) contrast(1.04);
}

.gallery-card figcaption {
  right: clamp(16px, 2vw, 24px);
  bottom: clamp(16px, 2vw, 24px);
  left: clamp(16px, 2vw, 24px);
  z-index: 2;
  background: rgba(11, 18, 16, 0.68);
}

@media (max-width: 1100px) {
  .hero-media {
    min-height: 390px;
  }

  .system-switch {
    grid-template-columns: repeat(2, 1fr);
  }

  .system-card {
    grid-template-columns: 1fr;
  }

  .system-card::before {
    width: 100%;
    height: 340px;
  }

  .system-card-media {
    min-height: 340px;
  }
}

@media (max-width: 680px) {
  .hero-media {
    min-height: 300px;
    margin-top: 12px;
    padding: 0;
  }

  .hero-media::before {
    inset: 12px 0 0 0;
    clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
  }

  .hero-media::after {
    bottom: 4px;
    left: 12px;
    width: 44%;
    height: 28%;
  }

  .hero-media > img {
    inset: 26px -16px 10px 22px;
    width: calc(100% - 10px);
    max-width: none;
    max-height: calc(100% - 20px);
  }

  .hero-media:has(> img[src*="interior"]) > img {
    inset: 24px 16px 20px 22px;
    width: calc(100% - 38px);
    height: calc(100% - 44px);
  }

  .feature-image {
    min-height: 320px;
    padding: 12px;
  }

  .feature-image::before {
    right: 10px;
    width: 38%;
  }

  .system-card-media {
    min-height: 280px;
    clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
  }

  .system-switch {
    grid-template-columns: 1fr;
  }

  .system-switch a {
    min-height: 78px;
  }

  .system-card-grid > div::before {
    margin-bottom: 10px;
  }

  .system-row::before {
    top: 18px;
    left: 20px;
  }

  .gallery-card,
  .gallery-card:nth-child(4n + 1) {
    min-height: 300px;
    clip-path: none;
  }

  .gallery-card figcaption {
    padding: 14px;
  }

  .card:has(> img)::before {
    height: 210px;
  }

  .card img {
    height: 210px;
  }
}

@media (max-width: 680px) {
  body {
    overflow-x: hidden;
  }

  .hero,
  .hero > div,
  .hero-media {
    min-width: 0;
  }

  h1 {
    font-size: 34px;
    line-height: 1.04;
    overflow-wrap: anywhere;
    text-wrap: auto;
  }

  .hero-copy {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .hero-collage {
    min-height: 430px;
  }

  .hero-shot-main {
    right: -10px;
    width: 64%;
    height: 55%;
  }

  .hero-shot-side {
    left: 10px;
    width: 50%;
    height: 52%;
  }

  .hero-note {
    top: 12%;
    right: 0;
    left: 34%;
    max-width: none;
    padding: 12px;
    font-size: 12px;
  }

  .hero-material-card {
    top: 64%;
    left: 0;
    min-width: 156px;
    padding: 14px 16px;
  }

  .hero-material-card b {
    font-size: 34px;
  }

  .hero-shot figcaption {
    right: 8px;
    bottom: 8px;
    left: 8px;
    padding: 10px 12px;
  }
}

/* Dense content polish: avoid visually empty cards */
.card:not(:has(img)),
.source-card,
.benefit,
.cert-card,
.faq-item,
.compare-card {
  align-content: start;
  gap: 18px;
}

.card:not(:has(img)):not(:has(.btn)),
.source-card,
.benefit {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.compact-card,
.card.dark-card,
.source-card {
  min-height: 210px;
}

.card:not(:has(img)):not(:has(.btn))::before,
.source-card::before,
.benefit::before {
  content: "";
  display: block;
  width: 74px;
  height: 3px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--deep), var(--champagne));
}

.dark .card:not(:has(img)):not(:has(.btn))::before,
.card.dark-card::before {
  background: linear-gradient(90deg, var(--champagne), rgba(255, 255, 255, 0.22));
}

.card:not(:has(img)) h3,
.source-card h3,
.benefit span {
  margin-bottom: 0;
}

.card:not(:has(img)) p,
.source-card p,
.benefit p {
  max-width: 92%;
}

.card.dark-card p {
  max-width: 94%;
}

.card:has(> a.btn),
.card:has(.card-visual) {
  align-content: space-between;
}

.source-grid,
.grid.three,
.grid.four {
  align-items: stretch;
}

.source-links {
  margin-top: 18px;
}

.source-links a {
  min-height: 148px;
  border-radius: 8px;
}

.path-row {
  min-height: 78px;
}