:root {
  --green: #0b4a2a;
  --green-2: #126f3f;
  --green-3: #eaf5ee;
  --dark: #111614;
  --muted: #66736d;
  --line: #dfe8e3;
  --white: #ffffff;
  --bg: #f7faf8;
  --shadow: 0 24px 70px rgba(9, 48, 30, 0.13);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(11, 74, 42, 0.08);
}
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 22px; }
.brand img { width: 172px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 26px; font-weight: 700; font-size: 14px; color: #27332e; }
.main-nav a:not(.nav-cta) { position: relative; }
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  left: 0;
  bottom: -8px;
  background: var(--green);
  transition: width .25s ease;
}
.main-nav a:hover::after { width: 100%; }
.nav-cta {
  background: var(--green);
  color: var(--white);
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(11, 74, 42, 0.18);
}
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 28px; height: 3px; margin: 5px 0; background: var(--dark); border-radius: 4px; }

.hero { position: relative; overflow: hidden; padding: 86px 0 70px; background: linear-gradient(135deg, #ffffff 0%, #eef7f1 48%, #f7faf8 100%); }
.hero-bg-lines {
  position: absolute;
  inset: 0;
  opacity: .33;
  background-image: radial-gradient(circle at 20% 20%, rgba(18,111,63,.22), transparent 32%), radial-gradient(circle at 82% 12%, rgba(11,74,42,.14), transparent 28%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 54px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-weight: 800; text-transform: uppercase; letter-spacing: .09em; font-size: 12px; }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--green); border-radius: 99px; }
h1, h2, h3 { margin: 0; line-height: 1.12; }
h1 { margin-top: 14px; font-size: clamp(38px, 6vw, 70px); letter-spacing: -0.055em; max-width: 780px; }
h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.04em; }
h3 { font-size: 21px; letter-spacing: -0.02em; }
p { margin: 0; color: var(--muted); }
.hero-content p { margin-top: 22px; font-size: 18px; max-width: 690px; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; justify-content: center; align-items: center; border: 0; border-radius: 999px; padding: 15px 24px; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green); color: var(--white); box-shadow: 0 14px 32px rgba(11, 74, 42, .22); }
.btn-secondary { background: var(--white); color: var(--green); border: 1px solid var(--line); }
.btn-light { background: var(--white); color: var(--green); box-shadow: 0 14px 32px rgba(0,0,0,.12); }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.trust-list span { background: rgba(255,255,255,.72); border: 1px solid var(--line); padding: 10px 14px; border-radius: 999px; color: #3b4944; font-size: 14px; font-weight: 700; }
.hero-card { background: rgba(255,255,255,.82); border: 1px solid rgba(11,74,42,.12); border-radius: 34px; padding: 28px; box-shadow: var(--shadow); }
.hero-card img { width: 100%; max-width: 380px; margin: 0 auto; border-radius: 22px; }
.hero-card-info { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.hero-card-info strong { display: block; font-size: 24px; margin-bottom: 6px; }
.card-link { margin-top: 22px; display: block; text-align: center; background: var(--green-3); color: var(--green); font-weight: 800; padding: 14px; border-radius: 16px; }

.section { padding: 86px 0; }
.stats-section { padding: 34px 0; background: var(--dark); color: var(--white); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stats-grid div { padding: 16px 0; }
.stats-grid strong { display: block; font-size: 24px; }
.stats-grid span { color: rgba(255,255,255,.72); }
.section-heading { max-width: 740px; margin-bottom: 38px; }
.section-heading h2 { margin-top: 12px; }
.section-heading p { margin-top: 14px; font-size: 18px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card, .step-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 12px 40px rgba(9, 48, 30, .05); }
.service-card .icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 14px; background: var(--green-3); color: var(--green); font-weight: 900; margin-bottom: 18px; }
.service-card p, .step-card p { margin-top: 12px; }

.split-section { background: #ffffff; }
.split-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.split-visual { min-height: 430px; border-radius: 34px; background: linear-gradient(135deg, #0b4a2a, #11251b); position: relative; overflow: hidden; box-shadow: var(--shadow); }
.split-visual::before {
  content: ""; position: absolute; inset: 0; opacity: .45;
  background: repeating-radial-gradient(ellipse at 28% 28%, transparent 0 18px, rgba(255,255,255,.18) 19px 21px);
}
.map-card { position: absolute; inset: auto 32px 32px 32px; background: rgba(255,255,255,.92); border-radius: 26px; padding: 28px; min-height: 180px; display: grid; gap: 14px; }
.map-card span { display: block; height: 11px; background: #d9e7df; border-radius: 99px; }
.map-card span:nth-child(2) { width: 75%; }
.map-card span:nth-child(3) { width: 88%; }
.map-card span:nth-child(4) { width: 60%; }
.map-card strong { color: var(--green); font-size: 24px; }
.split-content p { margin-top: 18px; font-size: 17px; }
.check-list { padding: 0; margin: 24px 0 30px; list-style: none; display: grid; gap: 12px; }
.check-list li { padding-left: 30px; position: relative; color: #34423d; font-weight: 700; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 900; }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step-card span { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 50%; background: var(--green); color: #fff; font-weight: 900; margin-bottom: 18px; }



.obras-section { background: linear-gradient(180deg, #f6faf8 0%, #ffffff 100%); }
.obras-heading { max-width: 820px; }
.obra-featured { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: stretch; margin-bottom: 28px; }
.obra-featured-image { min-height: 470px; border-radius: 34px; overflow: hidden; box-shadow: var(--shadow); position: relative; background: #102219; }
.obra-featured-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,.24)); pointer-events: none; }
.obra-featured-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.obra-featured-content { background: var(--white); border: 1px solid var(--line); border-radius: 34px; padding: 34px; box-shadow: 0 14px 44px rgba(9, 48, 30, .06); }
.obra-featured-content h3 { font-size: clamp(28px, 3vw, 38px); margin-top: 12px; }
.obra-featured-content p { margin-top: 16px; font-size: 17px; }
.obras-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }
.obra-card { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: 0 12px 34px rgba(9, 48, 30, .06); }
.obra-card img { width: 100%; height: 230px; object-fit: cover; display: block; transition: transform .35s ease; }
.obra-card:hover img { transform: scale(1.035); }
.obra-card figcaption { padding: 14px 16px 16px; color: #33423c; font-weight: 800; font-size: 14px; line-height: 1.35; }

.cta-section { padding: 70px 0; background: linear-gradient(135deg, var(--green), #092f1c); color: var(--white); }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta-box h2 { margin-top: 12px; max-width: 720px; }
.cta-box p { color: rgba(255,255,255,.75); margin-top: 10px; }
.cta-section .eyebrow { color: #cfe9db; }
.cta-section .eyebrow::before { background: #cfe9db; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: start; }
.contact-info p { margin-top: 18px; font-size: 17px; }
.contact-cards { display: grid; gap: 14px; margin-top: 26px; }
.contact-cards a, .contact-cards div { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.contact-cards strong, .contact-cards span { display: block; }
.contact-cards span { color: var(--muted); margin-top: 3px; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 30px; padding: 30px; box-shadow: var(--shadow); display: grid; gap: 18px; }
.contact-form label { display: grid; gap: 8px; font-weight: 800; color: #2e3b35; }
input, select, textarea { width: 100%; border: 1px solid #d7e3dd; border-radius: 14px; padding: 14px 15px; font: inherit; color: var(--dark); background: #fbfdfc; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(11,74,42,.08); }
textarea { resize: vertical; }
.contact-form small { color: var(--muted); text-align: center; }

.site-footer { background: #0c120f; color: #fff; padding-top: 54px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr 1fr; gap: 34px; }
.footer-grid img { width: 165px; background: #fff; border-radius: 14px; margin-bottom: 16px; }
.footer-grid p { color: rgba(255,255,255,.68); max-width: 360px; }
.footer-grid strong { display: block; margin-bottom: 12px; }
.footer-grid a { display: block; color: rgba(255,255,255,.72); margin: 8px 0; }
.footer-bottom { margin-top: 44px; padding: 20px; text-align: center; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.62); }
.floating-whatsapp { position: fixed; right: 22px; bottom: 22px; z-index: 40; background: #12a150; color: #fff; font-weight: 900; padding: 15px 20px; border-radius: 999px; box-shadow: 0 18px 40px rgba(18,161,80,.35); }

@media (max-width: 940px) {
  .obra-featured { grid-template-columns: 1fr; }
  .obras-gallery { grid-template-columns: repeat(2, 1fr); }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; left: 20px; right: 20px; top: 86px; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px; display: none; flex-direction: column; align-items: stretch; box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 8px 0; }
  .nav-cta { text-align: center; }
  .hero-grid, .split-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .obra-featured-image { min-height: 310px; border-radius: 24px; }
  .obra-featured-content { padding: 24px; border-radius: 24px; }
  .obras-gallery { grid-template-columns: 1fr; }
  .obra-card img { height: 240px; }
  .container { width: min(100% - 28px, 1160px); }
  .brand img { width: 145px; }
  .nav-wrapper { min-height: 74px; }
  .main-nav { top: 74px; }
  .hero-actions, .btn { width: 100%; }
  .btn { padding: 15px 18px; }
  .stats-grid, .services-grid, .steps-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-card { padding: 20px; }
  .contact-form { padding: 22px; border-radius: 22px; }
  .floating-whatsapp { left: 16px; right: 16px; text-align: center; }
}