:root {
  --bg: #0b1220;
  --bg-soft: #111827;
  --card: #ffffff;
  --card-dark: #111827;
  --text: #0f172a;
  --text-soft: #475569;
  --text-light: #e5edf8;
  --line: rgba(15, 23, 42, 0.1);
  --line-dark: rgba(255, 255, 255, 0.08);
  --brand: #f59e0b;
  --brand-strong: #d97706;
  --brand-soft: rgba(245, 158, 11, 0.12);
  --white: #ffffff;
  --success: #25d366;
  --shadow: 0 20px 50px rgba(2, 8, 23, 0.12);
  --shadow-strong: 0 25px 70px rgba(2, 8, 23, 0.24);
  --radius: 22px;
  --radius-sm: 16px;
  --container: 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(--text);
  background: #f8fafc;
  line-height: 1.6;
}

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

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

iframe {
  width: 100%;
  border: 0;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  width: auto;
  height: auto;
  margin: 1rem;
  padding: .75rem 1rem;
  clip: auto;
  background: var(--white);
  color: var(--text);
  z-index: 999;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  color: var(--white);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand small {
  color: rgba(255, 255, 255, 0.7);
  font-size: .88rem;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  position: relative;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 1), rgba(217, 119, 6, 1));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 12px 24px rgba(245, 158, 11, .24);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 2px solid rgba(255,255,255,.86);
  transform: skewY(-18deg);
}

.brand-mark::after {
  inset: 15px 8px 8px 15px;
  opacity: .75;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  color: rgba(255, 255, 255, 0.86);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,.16);
  background: transparent;
  border-radius: 14px;
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
  border-radius: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 50px;
  padding: .85rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  border: 1px solid transparent;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary,
.btn-nav {
  color: var(--white);
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  box-shadow: 0 14px 28px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover,
.btn-nav:hover,
.btn-light:hover {
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.18);
}

.btn-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
}

.btn-light {
  color: var(--bg);
  background: var(--white);
  white-space: nowrap;
}

.btn-block {
  width: 100%;
}

.hero {
  position: relative;
  padding: 5.5rem 0 4rem;
  color: var(--white);
  background:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.16), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.08), transparent 25%),
    linear-gradient(180deg, #0b1220 0%, #111827 100%);
  overflow: clip;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.hero-grid,
.section-grid,
.contact-grid,
.cta-wrap,
.footer-grid {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin: 0 0 1rem;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--brand);
}

.eyebrow::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  box-shadow: 0 0 0 8px var(--brand-soft);
}

.hero h1,
.section h2,
.cta-band h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 12.5ch;
  font-size: clamp(2.25rem, 3.8vw, 4.3rem);
}

.hero-text {
  max-width: 58ch;
  margin: 1.15rem 0 0;
  font-size: 1.05rem;
  color: rgba(229, 237, 248, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 1.8rem;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  padding: .95rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(229, 237, 248, 0.95);
}

.hero-visual {
  position: relative;
  min-height: 500px;
  isolation: isolate;
}

.frame,
.beam {
  position: absolute;
  border-radius: 28px;
}

.frame {
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), var(--shadow-strong);
}

.frame-a {
  inset: 0 8% 18% 18%;
}

.frame-b {
  inset: 14% 24% 4% 0;
}

.frame-c {
  inset: 28% 2% 0 30%;
}

.beam {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.9), rgba(255, 255, 255, 0.22));
  box-shadow: 0 0 0 1px rgba(255,255,255,.06), 0 20px 50px rgba(245, 158, 11, 0.18);
}

.beam-a {
  width: 68%;
  height: 22px;
  top: 18%;
  right: 6%;
  transform: rotate(-22deg);
}

.beam-b {
  width: 56%;
  height: 22px;
  top: 38%;
  left: 0;
  transform: rotate(26deg);
}

.beam-c {
  width: 46%;
  height: 20px;
  bottom: 18%;
  right: 0;
  transform: rotate(-34deg);
}

.beam-d {
  width: 44%;
  height: 18px;
  bottom: 8%;
  left: 16%;
  transform: rotate(8deg);
}

.trust-bar {
  margin-top: 0;
  position: relative;
  z-index: 2;
  padding-top: 1.35rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.trust-grid article,
.info-card,
.service-card,
.feature-card,
.project-card,
.step-card,
.map-card,
.faq-list details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.trust-grid article {
  padding: 1.2rem 1.15rem;
}

.trust-grid strong {
  display: block;
  margin-bottom: .35rem;
}

.section {
  padding: 5.5rem 0;
}

.section-dark {
  color: var(--text-light);
  background: linear-gradient(180deg, #111827 0%, #0b1220 100%);
}

.section-dark .service-card,
.section-dark .map-card {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-dark);
  box-shadow: none;
}

.section-alt {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.about-grid {
  grid-template-columns: 1.15fr .85fr;
  align-items: start;
}

.section h2,
.cta-band h2 {
  font-size: clamp(2rem, 3vw, 3.15rem);
}

.section p,
.cta-band p,
.service-card p,
.feature-card p,
.project-card p,
.step-card p,
.faq-list p,
.site-footer p {
  color: var(--text-soft);
}

.section-dark p,
.section-dark li,
.section-dark a,
.section-dark .section-head p {
  color: rgba(229, 237, 248, 0.82);
}

.section-head {
  max-width: 860px;
  margin-bottom: 2.25rem;
}

.section-head.center {
  text-align: center;
  margin-inline: auto;
}

.info-card {
  padding: 1.5rem;
}

.info-card h3 {
  margin-top: 0;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.4rem;
}

.check-list li {
  position: relative;
  padding-left: 1.8rem;
  margin-bottom: .9rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45rem;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
}

.service-grid,
.feature-grid,
.project-grid,
.steps-grid {
  display: grid;
  gap: 1.2rem;
}

.service-grid {
  grid-template-columns: repeat(3, 1fr);
}

.service-card,
.feature-card,
.step-card,
.project-card {
  padding: 1.45rem;
}

.service-card {
  padding: 0;
  overflow: hidden;
}

.service-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, #0f172a, #1e293b);
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.service-card:hover .service-media img,
.service-card:focus-within .service-media img {
  transform: scale(1.04);
}

.service-content {
  padding: 1.4rem;
}

.section-dark .service-content p {
  color: rgba(229, 237, 248, 0.82);
}

.icon-box {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  margin-bottom: 1rem;
  color: var(--bg);
  font-weight: 900;
  background: linear-gradient(135deg, var(--brand), #fbbf24);
}

.feature-grid {
  grid-template-columns: repeat(4, 1fr);
}

.project-grid {
  grid-template-columns: repeat(2, 1fr);
}

.project-thumb {
  min-height: 220px;
  border-radius: 18px;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #111827, #334155);
}

.project-thumb::before,
.project-thumb::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 999px;
}

.project-thumb::before {
  width: 120%;
  height: 14px;
  left: -10%;
  top: 40%;
  transform: rotate(-18deg);
  background: linear-gradient(90deg, rgba(245,158,11,.9), rgba(255,255,255,.18));
}

.project-thumb::after {
  width: 78px;
  height: 78px;
  right: 16px;
  top: 16px;
  background: radial-gradient(circle, rgba(245,158,11,.55), transparent 70%);
}

.project-thumb-2::before { top: 52%; transform: rotate(16deg); }
.project-thumb-3::before { top: 32%; transform: rotate(-8deg); }
.project-thumb-4::before { top: 58%; transform: rotate(24deg); }

.steps-grid {
  grid-template-columns: repeat(4, 1fr);
}

.step-card span {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  margin-bottom: 1rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--bg), #334155);
  font-weight: 900;
}

.cta-band {
  padding: 4.2rem 0;
  color: var(--white);
  background: linear-gradient(135deg, #d97706, #f59e0b);
}

.cta-wrap {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-list details + details {
  margin-top: .9rem;
}

.faq-list details {
  padding: 1.1rem 1.15rem;
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  padding-right: 2rem;
  position: relative;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.35rem;
  color: var(--brand-strong);
}

.faq-list details[open] summary::after {
  content: "−";
}

.contact-grid {
  grid-template-columns: 1fr .95fr;
  align-items: start;
}

.contact-list p {
  margin: .45rem 0;
}

.contact-list a:hover,
.site-footer a:hover {
  color: var(--brand);
}

.map-card {
  padding: 1.2rem;
}

.map-card iframe {
  min-height: 320px;
  border-radius: 18px;
  margin-top: .8rem;
}

.site-footer {
  color: var(--text-light);
  background: #08101c;
  padding-top: 3.2rem;
}

.footer-grid {
  grid-template-columns: 1.2fr .8fr .8fr;
  align-items: start;
}

.brand-footer {
  margin-bottom: 1rem;
}

.site-footer h3 {
  margin-top: 0;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li + li {
  margin-top: .6rem;
}

.footer-bottom {
  padding: 1rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 2rem;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 45;
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 58px;
  padding: 0 1.15rem;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(135deg, #1faa52, var(--success));
  box-shadow: 0 20px 35px rgba(37, 211, 102, 0.24);
  font-weight: 800;
}

.whatsapp-float::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 0 0 7px rgba(255,255,255,.18);
}

@media (max-width: 1080px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .cta-wrap,
  .footer-grid,
  .feature-grid,
  .steps-grid,
  .service-grid,
  .project-grid,
  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + .65rem);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: 20px;
    background: rgba(11, 18, 32, 0.98);
    box-shadow: var(--shadow-strong);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav .btn-nav {
    width: 100%;
    text-align: center;
  }

  .hero-grid,
  .about-grid,
  .contact-grid,
  .cta-wrap,
  .footer-grid,
  .feature-grid,
  .steps-grid,
  .service-grid,
  .project-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .hero-visual {
    min-height: 320px;
  }

  .cta-wrap {
    justify-items: start;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 1.2rem), var(--container));
  }

  .hero h1,
  .section h2,
  .cta-band h2 {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
  }

  .btn,
  .whatsapp-float {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .whatsapp-float {
    right: 12px;
    left: 12px;
    bottom: 12px;
    justify-content: center;
  }
}