:root {
  --ink: #102235;
  --muted: #607083;
  --line: #dfe7ee;
  --paper: #f6f8fb;
  --white: #ffffff;
  --brand: #0f766e;
  --brand-dark: #0b4f4a;
  --accent: #f59e0b;
  --accent-dark: #b45309;
  --danger: #b91c1c;
  --shadow: 0 18px 50px rgba(16, 34, 53, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
}

body.menu-open {
  overflow: hidden;
}

.site-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.10), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, #f6f8fb 46%, #ffffff 100%);
}

.container-soft {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.nav-link {
  position: relative;
  color: #526174;
  font-weight: 700;
  transition: color 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--brand);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--accent);
  transition: transform 180ms ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.btn-primary,
.btn-ghost,
.btn-soft,
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.btn-primary {
  background: var(--brand);
  color: white;
  padding: 12px 18px;
  box-shadow: 0 14px 32px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  padding: 12px 18px;
}

.btn-ghost:hover {
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--brand);
  transform: translateY(-2px);
}

.btn-soft {
  background: #fff7e6;
  color: var(--accent-dark);
  padding: 12px 18px;
}

.btn-soft:hover {
  background: #ffedc2;
  transform: translateY(-2px);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.btn-icon:hover {
  color: var(--brand);
  border-color: rgba(15, 118, 110, 0.35);
}

.section-pad {
  padding: 88px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.headline {
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.02;
}

h1.headline {
  font-size: clamp(1.75rem, 2.6vw, 2.65rem) !important;
  line-height: 1.16;
}

h2.headline {
  font-size: clamp(1.35rem, 1.8vw, 1.9rem) !important;
  line-height: 1.22;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.brand-mark-img {
  width: 42px;
  height: 34px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-text {
  display: inline-block;
  font-family: "Poppins", "Inter", sans-serif;
  font-size: 21px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0;
  white-space: nowrap;
  background-image: linear-gradient(90deg, #9a632c 0%, #6f4a24 34%, #0f766e 72%, #102235 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  color: transparent !important;
  -webkit-text-fill-color: transparent !important;
}

.feature-icon {
  width: 34px !important;
  height: 34px !important;
}

.icon-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: linear-gradient(145deg, rgba(15, 118, 110, 0.10), rgba(245, 158, 11, 0.10));
  color: var(--brand-dark);
  font-weight: 900;
}

.premium-visual {
  background: #f7f4ee;
}

.premium-visual img {
  object-fit: cover;
}

.product-card img[src*="material.png"] {
  object-fit: contain;
  padding: 28px;
  background: #ffffff;
}

.subcopy {
  color: var(--muted);
  line-height: 1.75;
}

.glass-panel {
  border: 1px solid rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.flat-panel {
  border: 1px solid var(--line);
  background: white;
  box-shadow: 0 10px 28px rgba(16, 34, 53, 0.07);
}

.product-card,
.project-card,
.value-card,
.service-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.product-card:hover,
.project-card:hover,
.value-card:hover,
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 118, 110, 0.28);
  box-shadow: var(--shadow);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: rgba(15, 118, 110, 0.08);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
}

.filter-chip {
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: white;
  padding: 8px 14px;
  color: var(--muted);
  font-weight: 800;
  transition: all 180ms ease;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--brand);
  background: var(--brand);
  color: white;
}

.input-field {
  width: 100%;
  min-height: 46px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 11px 13px;
  color: var(--ink);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.input-field:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 240ms ease;
}

.accordion-item.open .accordion-panel {
  max-height: 220px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

.modal {
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.modal.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  transform: translateY(16px) scale(0.98);
  transition: transform 180ms ease;
}

.modal.open .modal-card {
  transform: translateY(0) scale(1);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 80;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 70;
  box-shadow: 0 18px 40px rgba(15, 118, 110, 0.28);
}

.compare {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 16 / 10;
  background: #dbe6ee;
}

.compare img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.compare .after {
  clip-path: inset(0 0 0 50%);
}

.compare input {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  width: calc(100% - 32px);
  margin-inline: 16px;
  accent-color: var(--accent);
}

.compare-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: white;
  box-shadow: 0 0 0 1px rgba(16, 34, 53, 0.12);
}

.mobile-panel {
  transform: translateX(100%);
  transition: transform 220ms ease;
}

.mobile-panel.open {
  transform: translateX(0);
}

@media (max-width: 768px) {
  .section-pad {
    padding: 64px 0;
  }

  .headline {
    line-height: 1.08;
  }

  .wa-float {
    right: 12px;
    bottom: 12px;
  }
}