:root {
  --ink: #141411;
  --ink-soft: #292721;
  --paper: #f5f1ea;
  --paper-2: #ebe3d8;
  --white: #ffffff;
  --sage: #6f7c68;
  --olive: #3f4737;
  --clay: #a15f3f;
  --steel: #9ba19a;
  --line: rgba(20, 20, 17, 0.14);
  --shadow: 0 24px 80px rgba(20, 20, 17, 0.18);
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.6;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }

.section-inner {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}
.section-pad { padding: 96px 0; }
.section-pad.compact { padding: 78px 0; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px 28px;
  color: var(--white);
  background: rgba(20, 20, 17, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}
.brand img { width: 156px; height: auto; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.94rem;
  font-weight: 700;
}
.main-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(255,255,255,0.84);
}
.main-nav a:hover,
.main-nav a.active { color: var(--white); background: rgba(255,255,255,0.11); }
.main-nav .nav-cta {
  margin-left: 8px;
  color: var(--ink);
  background: var(--paper);
}
.nav-toggle { display: none; }

.hero {
  position: relative;
  min-height: 86svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}
.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-bg { object-fit: cover; }
.hero-overlay {
  background: linear-gradient(90deg, rgba(10,10,8,0.88) 0%, rgba(10,10,8,0.54) 42%, rgba(10,10,8,0.16) 100%), linear-gradient(0deg, rgba(10,10,8,0.9) 0%, rgba(10,10,8,0) 42%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 132px 0 42px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
}
.eyebrow::before {
  content: "";
  width: 42px;
  height: 2px;
  background: currentColor;
}
.eyebrow.dark { color: var(--clay); }
.eyebrow.light { color: var(--paper-2); }
.hero h1,
.section-heading h2,
.intro-copy h2,
.about-grid h2,
.payment-grid h2,
.contact-copy h2 {
  margin: 0;
  line-height: 0.96;
  font-weight: 850;
}
.hero h1 {
  max-width: 760px;
  font-size: 5.25rem;
}
.hero-copy {
  max-width: 650px;
  margin-top: 22px;
  color: rgba(255,255,255,0.82);
  font-size: 1.16rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
}
.button-primary { color: var(--ink); background: var(--paper); }
.button-secondary { color: var(--white); border-color: rgba(255,255,255,0.34); background: rgba(255,255,255,0.08); }
.button-dark { color: var(--white); background: var(--ink); }
.button:hover { transform: translateY(-1px); }
.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(100%, 880px);
  margin: 42px 0 0;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.16);
}
.hero-facts div {
  padding: 18px;
  background: rgba(20,20,17,0.48);
}
.hero-facts dt { font-weight: 850; font-size: 1.1rem; }
.hero-facts dd { margin: 4px 0 0; color: rgba(255,255,255,0.68); font-size: 0.88rem; }

.intro { background: var(--paper); }
.intro-grid,
.about-grid,
.payment-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 58px;
  align-items: center;
}
.intro-copy h2,
.about-grid h2,
.payment-grid h2 { font-size: 3.4rem; }
.intro-copy h2 { margin-bottom: 24px; }
.intro-copy p,
.about-grid p,
.payment-grid p,
.section-heading p {
  color: rgba(20,20,17,0.72);
  font-size: 1.04rem;
}
.intro-copy p + p { margin-top: 18px; }
.text-link {
  display: inline-flex;
  margin-top: 24px;
  padding-bottom: 3px;
  font-weight: 850;
  color: var(--clay);
  border-bottom: 2px solid currentColor;
}
.intro-media {
  margin: 0;
  position: relative;
}
.intro-media img {
  width: 100%;
  aspect-ratio: 1.22;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.intro-media figcaption {
  margin-top: 12px;
  color: rgba(20,20,17,0.58);
  font-size: 0.9rem;
}

.values,
.process,
.gallery,
.technical { background: var(--paper-2); }
.section-heading {
  margin-bottom: 40px;
}
.section-heading.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: start;
}
.section-heading.align-end { align-items: end; }
.section-heading.centered {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.narrow { max-width: 680px; }
.section-heading h2 { font-size: 3rem; }
.feature-grid,
.advantage-grid,
.technical-grid {
  display: grid;
  gap: 18px;
}
.feature-grid.three { grid-template-columns: repeat(3, 1fr); }
.feature-card,
.advantage-grid article,
.payment-cards article,
.technical-grid article {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.48);
  padding: 26px;
}
.feature-card span,
.payment-cards span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--clay);
  font-weight: 900;
}
h3 { margin: 0; line-height: 1.15; font-size: 1.22rem; }
.feature-card p,
.advantage-grid p,
.payment-cards p,
.technical-grid p,
.project-copy p,
.project-copy li,
.spec-column li,
.process-list p {
  margin-top: 12px;
  color: rgba(20,20,17,0.68);
}
.advantage-grid { grid-template-columns: repeat(5, 1fr); }
.advantage-grid article { min-height: 216px; }
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.process-list li {
  padding: 28px;
  background: var(--paper);
}
.process-list span {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--clay);
  font-size: 2rem;
  font-weight: 900;
}

.projects { background: var(--paper); }
.showcase-strip {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 18px;
  margin-bottom: 64px;
}
.showcase-strip img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
}
.showcase-strip img:nth-child(2) { height: 500px; margin-top: 52px; }
.project-stack {
  display: grid;
  gap: 34px;
}
.project-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.8fr);
  gap: 0;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
.project-panel.reverse .project-media { order: 2; }
.project-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}
.project-copy {
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.project-kicker {
  margin-bottom: 10px;
  color: var(--clay);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.project-copy h3 { font-size: 2.2rem; }
.project-copy ul { margin: 20px 0 0; padding-left: 18px; }
.project-thumbs {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}
.project-thumbs img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: var(--paper);
}
.project-thumbs img:first-child { object-fit: contain; padding: 18px; }
.lightbox-enabled {
  cursor: zoom-in;
}
.lightbox-enabled:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 4px;
}
.project-thumbs-pair {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}
.project-thumbs-pair img {
  height: 270px;
}
.project-thumbs-pair img:first-child {
  padding: 24px;
  object-fit: contain;
}
.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}
.image-lightbox.open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(10, 10, 8, 0.88);
  cursor: zoom-out;
}
.lightbox-frame {
  position: relative;
  z-index: 1;
  width: min(100%, 1180px);
  max-height: 92vh;
  margin: 0;
  display: grid;
  gap: 12px;
}
.lightbox-frame img {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--ink);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.42);
}
.lightbox-frame figcaption {
  color: var(--paper);
  font-size: 0.95rem;
  text-align: center;
}
.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  color: var(--white);
  background: rgba(20,20,17,0.78);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}
body.lightbox-open {
  overflow: hidden;
}

.gallery-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.filter-button {
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255,255,255,0.58);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.filter-button.active,
.filter-button:hover {
  color: var(--white);
  background: var(--ink);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-grid figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  min-height: 250px;
  border-radius: var(--radius);
  background: var(--ink);
}
.gallery-grid figure.is-hidden { display: none; }
.gallery-grid img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  transition: transform 320ms ease;
}
.gallery-grid figure:hover img { transform: scale(1.04); }
.gallery-grid figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--white);
  background: rgba(20,20,17,0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.about { background: var(--paper); }
.finishes { background: var(--paper-2); }
.finish-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.finish-images img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: var(--radius);
}
.spec-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.spec-column {
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
}
.spec-column.dark-column {
  color: var(--white);
  background: var(--ink);
}
.spec-column.dark-column li { color: rgba(255,255,255,0.72); }
.spec-column ul { margin: 18px 0 0; padding-left: 18px; }
.payment { background: var(--paper); }
.payment-cards {
  display: grid;
  gap: 14px;
}
.technical-grid { grid-template-columns: repeat(3, 1fr); }

.contact {
  color: var(--white);
  background: var(--ink);
}
.contact-panel {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  gap: 54px;
  align-items: center;
}
.contact-copy img { width: 210px; margin-bottom: 36px; }
.contact-copy h2 { font-size: 3.35rem; }
.contact-copy p:last-child {
  max-width: 620px;
  margin-top: 22px;
  color: rgba(255,255,255,0.72);
}
.contact-actions {
  display: grid;
  gap: 12px;
}
.contact-link {
  display: grid;
  gap: 2px;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
}
.contact-link.primary { background: var(--paper); color: var(--ink); }
.contact-link span { font-size: 0.78rem; font-weight: 900; text-transform: uppercase; color: var(--clay); }
.contact-link strong {
  font-size: 1.08rem;
  overflow-wrap: anywhere;
}
.site-footer {
  padding: 24px 0;
  color: rgba(255,255,255,0.7);
  background: #0d0d0b;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.footer-inner a { color: var(--white); font-weight: 800; }
.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--white);
  background: #1f7f4c;
  box-shadow: 0 16px 46px rgba(0,0,0,0.25);
  font-weight: 900;
}

@media (max-width: 1100px) {
  .hero h1 { font-size: 4.1rem; }
  .intro-copy h2,
  .about-grid h2,
  .payment-grid h2,
  .contact-copy h2 { font-size: 2.75rem; }
  .section-heading h2 { font-size: 2.45rem; }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .project-panel,
  .project-panel.reverse { grid-template-columns: 1fr; }
  .project-panel.reverse .project-media { order: 0; }
  .project-media img { min-height: 430px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .section-inner { width: min(100% - 32px, var(--max)); }
  .section-pad { padding: 72px 0; }
  .section-pad.compact { padding: 60px 0; }
  .site-header { min-height: 66px; padding: 12px 16px; }
  .brand img { width: 132px; }
  .nav-toggle {
    display: inline-grid;
    gap: 5px;
    width: 44px;
    height: 44px;
    place-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
  }
  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--white);
  }
  .main-nav {
    position: fixed;
    inset: 66px 12px auto 12px;
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: var(--radius);
    background: rgba(20,20,17,0.96);
    border: 1px solid rgba(255,255,255,0.12);
    transform: translateY(-18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { border-radius: var(--radius); }
  .main-nav .nav-cta { margin-left: 0; text-align: center; }
  .hero { min-height: 82svh; align-items: flex-end; }
  .hero-content { padding: 100px 0 30px; }
  .hero h1 { font-size: 3.25rem; }
  .hero-copy { font-size: 1rem; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); margin-top: 30px; }
  .hero-facts div { padding: 14px; }
  .intro-grid,
  .about-grid,
  .payment-grid,
  .section-heading.split,
  .contact-panel,
  .spec-columns { grid-template-columns: 1fr; gap: 28px; }
  .feature-grid.three,
  .technical-grid { grid-template-columns: 1fr; }
  .showcase-strip { grid-template-columns: 1fr; margin-bottom: 40px; }
  .showcase-strip img,
  .showcase-strip img:nth-child(2) { height: 320px; margin-top: 0; }
  .project-copy { padding: 28px; }
  .project-copy h3 { font-size: 1.8rem; }
  .project-thumbs { grid-template-columns: repeat(2, 1fr); }
  .project-thumbs-pair { grid-template-columns: 1fr 1fr; }
  .project-thumbs img { height: 170px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .finish-images { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 540px) {
  body { font-size: 15px; }
  .button { width: 100%; }
  .hero-actions { width: 100%; }
  .hero h1 { font-size: 2.65rem; }
  .intro-copy h2,
  .about-grid h2,
  .payment-grid h2,
  .contact-copy h2 { font-size: 2.18rem; }
  .section-heading h2 { font-size: 2rem; }
  .hero-facts,
  .advantage-grid,
  .process-list,
  .gallery-grid { grid-template-columns: 1fr; }
  .project-media img { min-height: 330px; }
  .project-thumbs,
  .project-thumbs-pair { grid-template-columns: 1fr; }
  .gallery-grid figure,
  .gallery-grid img { min-height: 300px; }
  .finish-images { grid-template-columns: 1fr; }
  .floating-whatsapp { left: 16px; right: 16px; }
  .image-lightbox { padding: 16px; }
  .lightbox-frame img { max-height: 78vh; }
}
