:root {
  --bg: #0a0d12;
  --bg-soft: #11161e;
  --bg-card: rgba(15, 19, 28, 0.92);
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.18);
  --text: #f4f6fb;
  --muted: #b3bac8;
  --muted-2: #8892a6;
  --red: #f1272a;
  --red-dark: #b3131e;
  --green: #1ebf59;
  --shadow: 0 24px 80px rgba(0,0,0,0.32);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1240px;
  --header-h: 92px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(241,39,42,0.08), transparent 28%),
    radial-gradient(circle at 100% 10%, rgba(255,255,255,0.05), transparent 25%),
    var(--bg);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 12px; top: 12px; background: #fff; color: #000; padding: 12px 16px; border-radius: 10px; z-index: 1000; }
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; opacity: 0.25;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 45%, transparent 100%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  font-size: 0.76rem; font-weight: 700; color: #d4d9e5;
}
.eyebrow i { width: 34px; height: 2px; background: linear-gradient(90deg, var(--red), #ff8b8b); border-radius: 999px; display: inline-block; }
.section-head { padding-top: 24px; margin-bottom: 28px; }
.section-head__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: end; }
.section-head h2 { margin: 14px 0 0; font-size: clamp(2rem, 3.6vw, 3.6rem); line-height: 1.02; letter-spacing: -0.05em; }
.section-head h2 span { color: #fff; }
.section-head p { margin: 0; color: var(--muted); line-height: 1.75; font-size: 1.02rem; }
.btn {
  display: inline-flex; justify-content: center; align-items: center; gap: 10px;
  min-height: 56px; padding: 0 22px; border-radius: 16px; border: 1px solid transparent;
  font-weight: 700; transition: .25s ease; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--red), #ff473f); box-shadow: 0 20px 40px rgba(241,39,42,0.26); }
.btn-secondary { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.12); }
.btn-whatsapp { background: linear-gradient(135deg, var(--green), #36dd76); color: #fff; box-shadow: 0 18px 34px rgba(30,191,89,.26); }
.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 80;
  width: 62px; height: 62px; border-radius: 50%; background: linear-gradient(135deg, #20c862, #17a84f);
  display: flex; justify-content: center; align-items: center; box-shadow: 0 18px 45px rgba(0,0,0,.35);
}
.whatsapp-float span { position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%); background: rgba(12,16,22,.9); padding: 10px 12px; border-radius: 12px; font-size: .85rem; opacity: 0; transition: .2s; pointer-events: none; }
.whatsapp-float:hover span { opacity: 1; }
.whatsapp-float svg { width: 28px; fill: #fff; }
.site-header {
  position: sticky; top: 0; z-index: 60; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(7,10,15,.72); border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header.scrolled { background: rgba(7,10,15,.92); }
.header-inner { min-height: var(--header-h); display: flex; align-items: center; gap: 26px; }
.brand img { width: 210px; object-fit: contain; }
.desktop-nav { display: flex; gap: 22px; margin-left: auto; }
.desktop-nav a { color: #d6dbe7; font-size: 0.96rem; }
.desktop-nav a:hover { color: #fff; }
.header-cta {
  margin-left: 14px; padding: 0 18px; min-height: 48px; border-radius: 14px; font-weight: 800;
  background: linear-gradient(135deg, var(--green), #26d567); box-shadow: 0 16px 30px rgba(30,191,89,.2);
}
.menu-toggle {
  display: none; margin-left: auto; width: 52px; height: 52px; border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.menu-toggle span { width: 20px; height: 2px; border-radius: 999px; background: #fff; }
.mobile-panel {
  max-height: 0; overflow: hidden; border-top: 1px solid transparent; transition: max-height .3s ease, border-color .3s ease;
}
.mobile-panel.open { max-height: 360px; border-color: rgba(255,255,255,.08); }
.mobile-panel nav { display: grid; gap: 8px; padding: 0 16px 20px; }
.mobile-panel a { padding: 14px 10px; border-radius: 12px; color: #edf1f7; }
.mobile-panel__cta { background: linear-gradient(135deg, var(--red), #ff473f); text-align: center; font-weight: 800; }
.hero {
  position: relative; min-height: calc(100svh - var(--header-h));
  padding: 40px 0 56px; overflow: clip;
}
.hero-overlay,
.hero-gradient { position: absolute; inset: 0; pointer-events: none; }
.hero-overlay { background: radial-gradient(circle at 20% 10%, rgba(241,39,42,.12), transparent 26%), linear-gradient(180deg, rgba(11,14,20,.72), rgba(11,14,20,.92)); }
.hero-gradient { background: linear-gradient(90deg, rgba(10,13,18,.88) 0%, rgba(10,13,18,.55) 42%, rgba(10,13,18,.22) 68%, rgba(10,13,18,.1) 100%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1fr .94fr; align-items: center; gap: 34px; }
.hero-copy { padding: 28px 0 24px; position: relative; z-index: 2; }
.hero h1 { margin: 18px 0 0; font-size: clamp(3rem, 6vw, 5.7rem); line-height: .96; letter-spacing: -0.06em; max-width: 700px; }
.hero h1 span { color: var(--red); }
.hero-text { max-width: 640px; color: var(--muted); font-size: 1.12rem; line-height: 1.75; margin: 22px 0 0; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-contact-row {
  display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; max-width: 690px;
  margin-top: 30px;
}
.hero-contact-row > div {
  padding: 18px 20px; border-radius: 18px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.09);
}
.hero-contact-row small { display: block; color: var(--muted-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 7px; }
.hero-contact-row strong { font-size: 1.05rem; }
.hero-badges { display: flex; gap: 12px; padding: 0; margin: 24px 0 0; list-style: none; flex-wrap: wrap; }
.hero-badges li { padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); color: #d6dce8; font-size: .92rem; }
.hero-media { position: relative; z-index: 1; }
.hero-stage-card {
  position: relative; border-radius: 34px; overflow: hidden; min-height: 620px;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow);
}
.hero-base { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(.46) saturate(.95); }
.hero-worker {
  position: absolute; right: 4%; bottom: 0; width: clamp(240px, 42%, 360px);
  object-fit: contain; filter: drop-shadow(0 20px 60px rgba(0,0,0,.4));
}
.hero-stage-card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 14% 18%, rgba(255,120,120,.16), transparent 28%), linear-gradient(90deg, rgba(5,7,11,.32), transparent 30%, rgba(5,7,11,.12) 100%);
}
.hero-stamp {
  position: absolute; left: 26px; top: 28px; z-index: 2; display: grid; gap: 10px;
}
.hero-stamp span { padding: 10px 14px; border-radius: 999px; background: rgba(10,13,18,.72); border: 1px solid rgba(255,255,255,.08); font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; width: fit-content; }
.trust-bar { padding: 18px 0 4px; }
.trust-grid {
  display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px;
}
.trust-grid > div {
  padding: 18px 18px 20px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); border-radius: 18px;
}
.trust-grid strong { display: block; margin-bottom: 6px; font-size: 1rem; }
.trust-grid span { color: var(--muted); line-height: 1.6; font-size: .95rem; }
.build-section,
.services,
.difference,
.projects,
.contact { padding: 88px 0; }
.build-sequence { height: 280vh; position: relative; }
.build-sticky {
  position: sticky; top: calc(var(--header-h) + 16px); min-height: calc(100svh - var(--header-h) - 32px);
  display: grid; grid-template-columns: .88fr 1.12fr; gap: 30px; align-items: center;
}
.build-copy-panel {
  padding: 34px; border-radius: 28px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); position: relative; min-height: 560px; overflow: hidden;
}
.build-step { position: absolute; inset: 34px 34px 34px 34px; opacity: 0; transform: translateY(18px); transition: .35s ease; pointer-events: none; }
.build-step.active { opacity: 1; transform: none; pointer-events: auto; }
.build-index { display: inline-flex; align-items: center; justify-content: center; min-width: 60px; height: 60px; border-radius: 18px; background: rgba(241,39,42,.14); color: #fff; font-size: 1.15rem; font-weight: 800; }
.build-step h3 { font-size: clamp(2rem, 3vw, 3.2rem); line-height: 1; letter-spacing: -0.05em; margin: 18px 0 0; }
.build-step p { color: var(--muted); line-height: 1.8; font-size: 1.02rem; margin: 16px 0 0; max-width: 560px; }
.build-step ul { display: grid; gap: 12px; padding: 0; margin: 24px 0 0; list-style: none; }
.build-step li { padding-left: 22px; position: relative; color: #dfe4ef; line-height: 1.7; }
.build-step li::before { content: ""; width: 10px; height: 10px; background: linear-gradient(135deg, var(--red), #ff6767); border-radius: 50%; position: absolute; left: 0; top: .55em; }
.sequence-progress { position: absolute; left: 34px; right: 34px; bottom: 34px; height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.sequence-progress span { display: block; width: 33.333%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--red), #ff5d56); transform-origin: left center; transition: width .25s ease; }
.build-visual-panel { display: grid; gap: 18px; }
.build-visual-frame {
  position: relative; min-height: 600px; border-radius: 28px; overflow: hidden; background: #06080b;
  border: 1px solid rgba(255,255,255,.07); box-shadow: var(--shadow);
}
.build-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.04); transition: .5s ease; }
.build-image.active { opacity: 1; transform: scale(1); }
.visual-caption { padding: 20px 22px; border-radius: 20px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); }
.visual-caption strong { display: block; font-size: 1.12rem; }
.visual-caption p { margin: 8px 0 0; color: var(--muted); line-height: 1.65; }
.service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.service-card {
  overflow: hidden; border-radius: 24px; background: var(--bg-card); border: 1px solid rgba(255,255,255,.07);
  box-shadow: 0 20px 45px rgba(0,0,0,.2); transform: translateY(0); transition: .25s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,.12); }
.service-card img { width: 100%; height: 180px; object-fit: cover; }
.service-card__body { padding: 22px; }
.service-card__body h3 { margin: 0; font-size: 1.32rem; line-height: 1.15; }
.service-card__body p { margin: 12px 0 0; color: var(--muted); line-height: 1.7; min-height: 86px; }
.service-card__body a { display: inline-flex; margin-top: 18px; color: #fff; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.18); padding-bottom: 4px; }
.difference-grid { display: grid; grid-template-columns: 1fr .92fr; gap: 26px; align-items: center; }
.difference-copy h2 { margin: 16px 0 0; font-size: clamp(2.1rem, 3.8vw, 3.7rem); line-height: 1.02; letter-spacing: -0.05em; }
.difference-copy h2 span { color: var(--red); }
.difference-copy > p { margin: 18px 0 0; color: var(--muted); line-height: 1.8; }
.difference-points { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-top: 28px; }
.difference-points article { padding: 22px; border-radius: 22px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); }
.difference-points h3 { margin: 0 0 10px; font-size: 1.08rem; }
.difference-points p { margin: 0; color: var(--muted); line-height: 1.7; }
.highlight-card { position: relative; overflow: hidden; min-height: 620px; border-radius: 28px; border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); }
.highlight-card img { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: brightness(.72); }
.highlight-card__overlay { position: absolute; left: 24px; right: 24px; bottom: 24px; padding: 22px; background: linear-gradient(180deg, rgba(12,15,22,.08), rgba(12,15,22,.85)); border: 1px solid rgba(255,255,255,.08); border-radius: 22px; }
.highlight-card__overlay strong { display: block; font-size: 1.12rem; }
.highlight-card__overlay span { display: block; color: var(--muted); margin-top: 8px; line-height: 1.7; }
.cta-band { padding: 0 0 88px; }
.cta-band__grid {
  display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center;
  background: linear-gradient(135deg, rgba(177,19,30,.88), rgba(241,39,42,.72), rgba(12,16,22,.96));
  border: 1px solid rgba(255,255,255,.08); border-radius: 30px; padding: 34px; box-shadow: var(--shadow);
}
.cta-band__grid h2 { margin: 16px 0 0; font-size: clamp(2rem, 3vw, 3.1rem); line-height: 1.02; letter-spacing: -0.05em; }
.cta-band__grid p { margin: 16px 0 0; color: #f1f4fa; max-width: 760px; line-height: 1.8; }
.cta-band__actions { display: grid; gap: 16px; justify-items: end; }
.cta-phone { text-align: right; }
.cta-phone small { color: rgba(255,255,255,.72); text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; }
.cta-phone strong { display: block; margin-top: 8px; font-size: 1.25rem; }
.project-rail {
  display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px;
}
.project-card { border-radius: 24px; overflow: hidden; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); }
.project-card img { width: 100%; height: 260px; object-fit: cover; }
.project-card div { padding: 18px 20px 22px; }
.project-card strong { display: block; font-size: 1.15rem; }
.project-card span { display: block; margin-top: 8px; color: var(--muted); line-height: 1.65; }
.contact-box {
  display: grid; grid-template-columns: 1.06fr .94fr; gap: 24px; align-items: start;
  border-radius: 30px; padding: 34px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow);
}
.contact-box h2 { margin: 16px 0 0; font-size: clamp(2rem, 3.2vw, 3.2rem); line-height: 1.03; letter-spacing: -0.05em; }
.contact-box p { margin: 16px 0 0; color: var(--muted); line-height: 1.8; }
.contact-list { display: grid; gap: 14px; }
.contact-list > * { padding: 18px 20px; border-radius: 18px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); }
.contact-list strong { display: block; font-size: 1rem; }
.contact-list span { display: block; margin-top: 6px; color: var(--muted); line-height: 1.6; }
.site-footer { padding: 34px 0 24px; border-top: 1px solid rgba(255,255,255,.06); background: rgba(255,255,255,.02); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 26px; }
.footer-logo { width: 180px; }
.footer-grid p, .footer-grid li { color: var(--muted); line-height: 1.7; }
.footer-grid h3 { margin: 0 0 12px; font-size: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-bottom { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.06); display: flex; justify-content: space-between; gap: 14px; color: var(--muted-2); font-size: .92rem; }

[data-reveal] { opacity: 0; transform: translateY(26px); transition: .6s ease; }
[data-reveal="left"] { transform: translateX(28px); }
[data-reveal].visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .section-head__grid,
  .hero-grid,
  .build-sticky,
  .difference-grid,
  .contact-box,
  .cta-band__grid,
  .footer-grid,
  .trust-grid,
  .service-grid,
  .project-rail { grid-template-columns: 1fr 1fr; }
  .hero-grid { align-items: start; }
  .hero-stage-card { min-height: 520px; }
  .build-sticky { grid-template-columns: 1fr; }
  .build-copy-panel { min-height: 420px; }
  .build-visual-frame { min-height: 420px; }
  .difference-grid { grid-template-columns: 1fr; }
  .contact-box,
  .cta-band__grid,
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band__actions { justify-items: start; }
  .cta-phone { text-align: left; }
}

@media (max-width: 860px) {
  :root { --header-h: 84px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .brand img { width: 172px; }
  .hero { padding-top: 26px; }
  .hero-grid, .section-head__grid, .service-grid, .trust-grid, .project-rail, .difference-points, .hero-contact-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2.6rem, 11vw, 4.5rem); }
  .hero-text { font-size: 1rem; }
  .hero-stage-card { min-height: 420px; }
  .hero-worker { width: min(52vw, 260px); }
  .trust-grid > div { min-height: auto; }
  .build-sequence { height: auto; }
  .build-sticky { position: relative; top: auto; min-height: auto; }
  .build-copy-panel { min-height: auto; }
  .build-step, .build-step.active { position: relative; inset: auto; opacity: 1; transform: none; }
  .build-step + .build-step { margin-top: 28px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.08); }
  .sequence-progress { display: none; }
  .build-visual-frame { min-height: 300px; }
  .build-image { opacity: 1 !important; position: relative; transform: none !important; height: 300px; margin-bottom: 12px; border-radius: 20px; }
  .difference-points { grid-template-columns: 1fr; }
  .highlight-card { min-height: 420px; }
  .contact-box, .cta-band__grid { padding: 26px; }
  .footer-bottom { flex-direction: column; }
  .whatsapp-float { width: 56px; height: 56px; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 20px), var(--container)); }
  .hero-copy { padding-top: 10px; }
  .hero-actions .btn { width: 100%; }
  .hero-badges li { width: 100%; border-radius: 16px; }
  .service-card img { height: 150px; }
  .project-card img { height: 220px; }
  .highlight-card__overlay { left: 14px; right: 14px; bottom: 14px; }
}
