:root {
  --bg: #f6f6f6;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #5b5b5b;
  --line: #dedede;
  --accent: #d31119;
  --shadow: 0 18px 48px rgba(17, 28, 20, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Arial, Helvetica, sans-serif; line-height: 1.5; }
img { display: block; max-width: 100%; }
.home-hero img,
.team img,
.image-frame img,
.project-card img {
  filter: brightness(1.12) contrast(1.03);
}
main { padding-top: 78px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 78px;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(246, 246, 246, 0.92);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(14px);
}
.site-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 34px); }
.site-nav a { color: var(--ink); font-weight: 600; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.is-active { color: var(--accent); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); background: var(--surface); }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--ink); }

.page-view { display: none; }
.page-view.is-active { display: block; }
.section-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.home-hero img { width: 100%; height: auto; object-fit: contain; }
.company { padding: clamp(44px, 6vw, 72px) 0 18px; }
.company h1, .view-heading h1, .section-heading h2 { max-width: 760px; margin: 0 0 16px; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.12; }
.company p:last-child { max-width: 860px; margin: 0; color: var(--muted); }
.highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: 12px;
}
.highlights article {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.highlights strong,
.highlights span {
  display: block;
}
.highlights strong {
  margin-bottom: 8px;
  font-size: 1.02rem;
}
.highlights span {
  color: var(--muted);
}
.team { padding: clamp(28px, 5vw, 48px) 0; }
.team img { width: 100%; margin-top: 24px; }
.team img {
  filter: brightness(1.38) contrast(1.05);
}
.quality-seal { padding: clamp(42px, 6vw, 64px) 0 clamp(72px, 8vw, 96px); text-align: center; }
.quality-seal img {
  width: 100%;
  margin: 20px auto 0;
  filter: brightness(1.28) contrast(1.04);
}
.view-heading { padding: clamp(42px, 6vw, 72px) 0 28px; }

.services { padding-bottom: clamp(64px, 8vw, 96px); }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.service-card { background: var(--surface); border: 1px solid var(--line); box-shadow: 0 10px 28px rgba(15, 25, 18, 0.06); }
.service-card .image-frame {
  cursor: zoom-in;
}
.image-frame { aspect-ratio: 16 / 10; display: grid; place-items: center; overflow: hidden; background: #eef3ee; }
.image-frame img { width: 100%; height: 100%; object-fit: contain; }
.service-card h3 { margin: 18px 18px 8px; font-size: 1.08rem; }
.service-card p { margin: 0 18px 20px; color: var(--muted); }

.project-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; padding-bottom: clamp(64px, 8vw, 96px); }
.project-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.08);
}
.project-card img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: contain;
  background: #f0f0f0;
  filter: brightness(1.12) contrast(1.05);
  cursor: zoom-in;
}
.project-card h2 {
  margin: 0;
  padding: 18px 20px 20px;
  border-top: 1px solid var(--line);
  font-size: 1.18rem;
}
.project-videos {
  padding-bottom: clamp(64px, 8vw, 96px);
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.video-grid video {
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #000;
  object-fit: contain;
}

.whatsapp-button {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 0 18px 0 10px;
  color: #fff;
  background: #25d366;
  border-radius: 999px;
  box-shadow: var(--shadow);
  text-decoration: none;
  border: 0;
  cursor: pointer;
}
.whatsapp-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.18); }
.whatsapp-icon svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}
.image-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.84);
}
.image-modal.is-open {
  display: flex;
}
.image-modal img {
  max-width: min(1100px, 100%);
  max-height: calc(100vh - 48px);
  object-fit: contain;
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.quote-modal {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.62);
}
.quote-modal.is-open {
  display: flex;
}
.quote-panel {
  position: relative;
  width: min(560px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 28px;
  background: var(--surface);
}
.quote-panel h2 {
  margin: 0 48px 20px 0;
  font-size: 1.5rem;
}
.quote-options {
  display: grid;
  gap: 10px;
}
.quote-options button {
  min-height: 48px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  text-align: left;
  cursor: pointer;
}
.quote-options button:hover,
.quote-options button:focus-visible {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}
.quote-close {
  color: var(--ink);
  background: #f4f4f4;
  border-color: var(--line);
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .video-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  main { padding-top: 72px; }
  .site-header {
    justify-content: center;
    min-height: 72px;
    padding: 0 16px;
  }
  .menu-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }
  .site-nav a { padding: 0; }
  .section-shell { width: calc(100% - 32px); }
  .service-grid, .project-gallery, .highlights { grid-template-columns: 1fr; }
}