:root {
  --ink: #151a1d;
  --muted: #66747a;
  --line: #dfe7e8;
  --glass: rgba(255, 255, 255, 0.72);
  --frost: #eef7f7;
  --aqua: #76c7c5;
  --brass: #b9925a;
  --charcoal: #20272b;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(25, 37, 40, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { color: var(--white); background: #38777b; }

.scroll-progress { position: fixed; z-index: 100; top: 0; left: 0; width: 0; height: 3px; background: linear-gradient(90deg, var(--aqua), var(--brass)); box-shadow: 0 0 16px var(--aqua); }

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px clamp(18px, 5vw, 64px);
  color: var(--white);
  background: var(--charcoal);
  font-size: 0.88rem;
}

.topbar a {
  font-weight: 750;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 clamp(18px, 5vw, 64px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  overflow: hidden;
  background: #0c0f11;
  border: 1px solid rgba(185, 146, 90, 0.42);
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 10px 24px rgba(31, 72, 75, 0.2);
}

.brand-mark img {
  position: absolute;
  top: 46%;
  left: 50%;
  width: 148px;
  height: auto;
  max-width: none;
  transform: translate(-50%, -37%);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.05rem;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  color: #344147;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:not(.nav-cta) { position: relative; }
.nav-links a:not(.nav-cta)::after { content: ""; position: absolute; right: 0; bottom: 2px; left: 0; height: 2px; background: var(--aqua); transform: scaleX(0); transition: transform 220ms ease; }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { padding: 10px 16px !important; color: var(--white); border-radius: 8px; background: var(--charcoal); }

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 114px);
  padding: clamp(48px, 8vw, 110px) clamp(18px, 5vw, 64px);
  overflow: hidden;
  color: var(--white);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  object-fit: cover;
  transform: scale(1.03);
  animation: heroZoom 14s ease-out both;
}

@keyframes heroZoom { to { transform: scale(1.1); } }

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(21, 26, 29, 0.84), rgba(21, 26, 29, 0.3)),
    linear-gradient(0deg, rgba(21, 26, 29, 0.38), transparent 42%);
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-content {
  align-self: center;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about h2,
.contact h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(2.4rem, 5.5vw, 4.8rem);
  line-height: 0.9;
}

.hero h1 { background: linear-gradient(110deg, #fff 25%, #b7e8e6 55%, #fff 82%); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero p:not(.eyebrow) {
  max-width: 620px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 850;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 14px 35px rgba(0,0,0,.18); }

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

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

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.hero-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  align-self: end;
  max-width: 840px;
  margin-top: 54px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
}

.hero-trust { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 28px; color: rgba(255,255,255,.78); font-size: .88rem; font-weight: 700; }

.trust-strip { display: grid; grid-template-columns: repeat(4,1fr); border-bottom: 1px solid var(--line); background: #f9fcfc; }
.trust-strip div { padding: 24px clamp(18px,3vw,44px); border-right: 1px solid var(--line); }
.trust-strip div:last-child { border: 0; }
.trust-strip strong,.trust-strip span { display: block; }
.trust-strip strong { font-family: Georgia,serif; font-size: 1.35rem; }
.trust-strip span { color: var(--muted); font-size: .82rem; }

.hero-panel div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.1);
}

.hero-panel strong,
.hero-panel span {
  display: block;
}

.hero-panel strong {
  font-size: 0.76rem;
  opacity: 0.74;
  text-transform: uppercase;
}

.hero-panel span {
  margin-top: 4px;
  font-weight: 800;
}

.section,
.portfolio,
.contact {
  padding: clamp(72px, 9vw, 120px) clamp(18px, 5vw, 64px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.section-heading h2,
.about h2,
.contact h2 {
  color: var(--ink);
  font-size: clamp(2.2rem, 5vw, 4.6rem);
}

.services {
  background:
    linear-gradient(180deg, var(--white), var(--frost));
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.service-grid article {
  overflow: hidden;
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 54px rgba(45, 70, 75, 0.08);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}
.service-grid article:hover { transform: translateY(-8px); border-color: rgba(118,199,197,.75); box-shadow: 0 26px 65px rgba(45,70,75,.16); }
.service-mini { display: flex; align-items: flex-end; min-height: 320px !important; background: linear-gradient(145deg,#fff,#e3f2f2) !important; }
.service-mini .service-body { padding-top: 40px; }
.service-body a { display: inline-block; margin-top: 20px; color: #347175; font-size: .88rem; font-weight: 850; }

.service-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.service-body {
  padding: 24px 26px 28px;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 28px;
  color: var(--charcoal);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #d8eeee);
  font-family: Georgia, serif;
  font-weight: 900;
}

.service-grid h3,
.project h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

.service-grid p {
  margin: 0;
  color: var(--muted);
}

.portfolio {
  background: var(--charcoal);
}

.portfolio .section-heading h2 {
  color: var(--white);
}

.portfolio .section-heading p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.68);
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -8px 0 26px;
}

.filter-btn {
  min-height: 40px;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--ink);
  background: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 310px;
  gap: 16px;
}

.project {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  border-radius: 8px;
  background: #111;
}
.project::after { content: "View project ↗"; position: absolute; top: 18px; right: 18px; padding: 8px 12px; color: white; border: 1px solid rgba(255,255,255,.4); border-radius: 99px; background: rgba(10,16,18,.38); backdrop-filter: blur(8px); font-size: .72rem; font-weight: 800; opacity: 0; transform: translateY(-8px); transition: 220ms ease; }
.project:hover::after { opacity: 1; transform: translateY(0); }

.project.hidden {
  display: none;
}

.project.featured {
  grid-column: span 2;
  grid-row: span 2;
}

.project img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.project:hover img {
  transform: scale(1.04);
}

.project div {
  position: absolute;
  inset: auto 16px 16px;
  padding: 16px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(10, 16, 18, 0.62);
  backdrop-filter: blur(12px);
}

.project span {
  display: block;
  margin-bottom: 5px;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.project h3 {
  margin: 0;
}

.project p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.9rem;
  line-height: 1.45;
}

.about {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  background: var(--white);
}

.about-copy > p:not(.eyebrow) {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.06rem;
}

.about img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.process { background: #f7fbfb; }
.process-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; counter-reset: step; }
.process-grid article { position: relative; padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.process-grid article > span { position: absolute; top: 22px; right: 22px; color: #aab8bc; font-size: .8rem; font-weight: 900; }
.process-grid article:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 50%; right: -25px; display: grid; place-items: center; width: 34px; height: 34px; color: #41787b; border: 1px solid var(--line); border-radius: 50%; background: white; transform: translateY(-50%); }
.process-symbol { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 38px; color: #2c666b; border-radius: 50%; background: #e0f2f1; font-size: 1.7rem; }
.process-grid h3,.benefit-grid h3 { margin: 0 0 8px; }
.process-grid p,.benefit-grid p { margin: 0; color: var(--muted); }

.testimonials { color: white; background: radial-gradient(circle at 10% 10%,#355b60 0,transparent 32%),#182126; }
.testimonials .section-heading h2 { color: white; }
.benefit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.benefit-grid article { padding: 28px; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; background: rgba(255,255,255,.055); }
.benefit-grid article > span { display: block; margin-bottom: 24px; color: var(--aqua); font-size: 1.8rem; }
.benefit-grid p { color: rgba(255,255,255,.62); }
.review-card { position: relative; max-width: 900px; margin: 70px auto 0; padding: clamp(30px,5vw,58px); border: 1px solid rgba(255,255,255,.17); border-radius: 16px; background: rgba(255,255,255,.07); backdrop-filter: blur(16px); }
.quote-mark { position: absolute; top: -34px; left: 32px; color: var(--aqua); font-family: Georgia,serif; font-size: 7rem; line-height: 1; }
.review-card blockquote { margin: 0 0 28px; font-family: Georgia,serif; font-size: clamp(1.3rem,2.6vw,2rem); line-height: 1.45; }
.review-person { display: flex; align-items: center; gap: 12px; }
.review-person > span { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; color: var(--ink); background: var(--aqua); font-weight: 900; }
.review-person strong,.review-person small { display: block; }.review-person small { color: rgba(255,255,255,.55); }
.stars { position: absolute; right: 42px; bottom: 54px; color: #e4b875; letter-spacing: 4px; }

.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(30px,7vw,100px); align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 18px; padding: 23px 0; font-weight: 850; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }.faq summary span { color: #48888b; font-size: 1.4rem; transition: transform .2s; }.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { margin: -6px 40px 24px 0; color: var(--muted); }

.big-cta { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: clamp(55px,8vw,100px) clamp(18px,7vw,100px); color: white; background: linear-gradient(110deg,rgba(12,28,31,.96),rgba(29,86,90,.82)),url('https://media.gettyimages.com/id/108200472/photo/modern-architecture-of-staircases-on-building-facade.jpg?b=1&s=2048x2048&w=0&k=20&c=6a2W9-kwev3UMV-2eABiuV-rJXsZYkNRIUDpaB1AnKc=') center/cover; }
.big-cta h2 { margin: 0; font-family: Georgia,serif; font-size: clamp(2.4rem,5vw,4.8rem); line-height: 1; }.big-cta p:not(.eyebrow){ color: rgba(255,255,255,.7); }
.big-cta .hero-actions { flex-shrink: 0; margin: 0; }

.whatsapp-float { position: fixed; z-index: 30; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 9px; padding: 10px 16px 10px 10px; color: white; border-radius: 99px; background: #20a966; box-shadow: 0 14px 35px rgba(0,0,0,.22); font-size: .88rem; transition: transform .2s; }.whatsapp-float:hover{transform:translateY(-4px)}.whatsapp-float span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:white;color:#20a966;font-size:1.2rem}
.back-to-top { position: fixed; z-index: 29; right: 26px; bottom: 88px; width: 42px; height: 42px; color: white; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: #20272b; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: .2s; }.back-to-top.visible{opacity:1;visibility:visible;transform:none}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }.reveal.is-visible { opacity: 1; transform: none; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.stats div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--frost);
}

.stats strong,
.stats span {
  display: block;
}

.stats strong {
  font-size: 1.8rem;
}

.stats span {
  color: var(--muted);
  font-size: 0.88rem;
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
  background: linear-gradient(135deg, #eef7f7, #ffffff 54%, #f6f0e7);
}

.contact-card,
.quote-form {
  border: 1px solid rgba(115, 139, 144, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.contact-card {
  padding: clamp(26px, 4vw, 42px);
}

.contact-card p:not(.eyebrow) {
  color: var(--muted);
}

.contact-lines {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  font-weight: 800;
}

.contact-lines a,
.contact-lines span {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.quote-form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 34px);
}

.quote-form label {
  display: grid;
  gap: 8px;
  color: #425158;
  font-size: 0.92rem;
  font-weight: 800;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  font: inherit;
}

.quote-form textarea {
  resize: vertical;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  padding: 44px clamp(18px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.78);
  background: #12181b;
}

.site-footer p {
  max-width: 540px;
  margin: 16px 0 0;
}

.footer-brand strong {
  color: var(--white);
}

.footer-brand small {
  color: rgba(255, 255, 255, 0.62);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--white);
  font-weight: 800;
}

.copyright {
  grid-column: 1 / -1;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .process-grid { grid-template-columns: repeat(2,1fr); }.process-grid article::after{display:none}.faq{grid-template-columns:1fr}.big-cta{align-items:flex-start;flex-direction:column}
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    gap: 4px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 16px 18px 22px;
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
  }

  .nav-links.open {
    display: grid;
  }
  .nav-cta { text-align: center; }

  .hero {
    min-height: auto;
  }

  .hero-panel,
  .stats,
  .site-footer {
    grid-template-columns: 1fr;
  }
  .trust-strip,.process-grid,.benefit-grid { grid-template-columns: 1fr; }.trust-strip div{border-right:0;border-bottom:1px solid var(--line)}
  .review-card { margin-top: 50px; }.stars{position:static;margin-top:24px}.big-cta .hero-actions{width:100%}.big-cta .btn{width:100%}
  .whatsapp-float strong { display:none; }.whatsapp-float{padding:8px;right:14px;bottom:14px}.back-to-top{right:17px;bottom:70px}

  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 300px;
  }

  .project.featured {
    grid-column: span 1;
    grid-row: span 1;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) { html{scroll-behavior:auto}.hero-bg{animation:none}.reveal{opacity:1;transform:none;transition:none} }