:root{
  --bg: #ffffff;
  --soft: #f4f7f6;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(15, 23, 42, .10);
  --shadow: 0 16px 40px rgba(2, 6, 23, .10);
  --radius: 18px;

  --green: #0f5a45;
  --green-2: #0c4737;
  --green-soft: #e6f4ef;

  --gold: #f0b429;

  --wa: #128C7E;
  --wa-2: #0f766e;

  --focus: rgba(15, 90, 69, .25);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

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

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

.container{
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.center{ text-align:center; }

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 16px; top: 16px; width:auto; height:auto;
  background: #fff; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 10px; z-index: 9999;
  box-shadow: var(--shadow);
}

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

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.90);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand-logo{
  height: 36px;
  width: auto;
}

.nav{ display:flex; align-items:center; gap: 12px; }
.nav-toggle{
  display:none;
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 12px;
  cursor:pointer;
  box-shadow: 0 8px 18px rgba(2,6,23,.06);
}
.nav-toggle:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.nav-menu{
  list-style:none;
  display:flex;
  gap: 18px;
  padding:0;
  margin:0;
  align-items:center;
}
.nav-menu a{
  color: var(--muted);
  font-weight: 800;
  text-decoration: none;
}
.nav-menu a:hover{ color: var(--text); }

/* Buttons (consistent across a/button) */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;

  border-radius: 999px;
  padding: 12px 16px;

  border: 1px solid transparent;

  font-weight: 900;
  letter-spacing: .01em;

  cursor: pointer;
  text-decoration: none !important;

  transition: transform .10s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease, filter .15s ease;
  box-shadow: 0 10px 22px rgba(2,6,23,.08);
}

.btn:active{ transform: translateY(1px); }
.btn:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.btn-primary{
  background: var(--green);
  color: #fff;
}
.btn-primary:hover{ background: var(--green-2); }

.btn-secondary{
  background: rgba(255,255,255,.92);
  border-color: rgba(255,255,255,.35);
  color: var(--text);
  box-shadow: 0 10px 22px rgba(2,6,23,.06);
}
.btn-secondary:hover{ background: #fff; }

.btn-whatsapp{ white-space: nowrap; }

/* Icon utility */
.icon{
  display:inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  flex: 0 0 auto;
  fill: currentColor;
}

/* Hero (full width, text on gradient) */
.hero{
  position: relative;
  padding: 92px 0 74px;
  color: #fff;
  background: #071f1b;
  background-image:
    linear-gradient(90deg, rgba(7,31,27,.92) 0%, rgba(7,31,27,.78) 42%, rgba(7,31,27,.18) 100%),
    linear-gradient(180deg, rgba(7,31,27,.25) 0%, rgba(7,31,27,.65) 100%),
    url("assets/hero.jpg");
  background-size: cover;
  background-position: center;
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background: radial-gradient(60% 60% at 15% 40%, rgba(240,180,41,.12) 0%, rgba(240,180,41,0) 55%);
}

.hero > .container{ position: relative; z-index: 1; }

.hero-copy{
  width: min(640px, 100%);
}

.hero-kicker{
  display:inline-block;
  font-weight: 900;
  letter-spacing: .10em;
  text-transform: uppercase;
  font-size: 12px;
  color: rgba(255,255,255,.80);
  border: 1px solid rgba(255,255,255,.22);
  padding: 6px 10px;
  border-radius: 999px;
  margin: 0 0 14px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(8px);
}

.hero h1{
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.04;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.accent{ color: var(--gold); }

.lead{
  font-size: 18px;
  color: rgba(255,255,255,.86);
  margin: 0 0 18px;
}

.checklist{
  list-style:none;
  padding:0;
  margin: 0 0 18px;
  display:grid;
  gap: 10px;
}
.checklist li{
  position: relative;
  padding-left: 26px;
  color: rgba(255,255,255,.92);
}
.checklist li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color: var(--gold);
  font-weight: 900;
}

.checklist.compact{ gap: 8px; }
.microcopy{
  margin-top: 14px;
  color: rgba(255,255,255,.78);
  font-size: 13px;
}

.hero-cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* Sections */
.section{
  padding: 64px 0;
}
.section-soft{
  background: var(--soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head{ margin-bottom: 22px; }
.section-head.center{ text-align:center; }
.section-head h2{
  font-size: 32px;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.muted{ color: var(--muted); }

/* Cards */
.cards{ display:grid; gap: 18px; }
.cards.two-col{ grid-template-columns: repeat(2, 1fr); }
.cards.three-col{ grid-template-columns: repeat(3, 1fr); }

.card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: 0 14px 35px rgba(2,6,23,.08);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(2,6,23,.12);
  border-color: rgba(15, 90, 69, .20);
}

.card-img{
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.card-body{
  padding: 18px 18px 20px;
}
.card h3{
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.card p{ margin: 0 0 14px; }
.card .btn{ width: fit-content; }

.tag{
  display:inline-block;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 900;
  vertical-align: middle;
}

.card.mini .card-img{ height: 160px; }
.card.mini .card-body{ padding: 16px; }

/* Contact */
.contact{
  background: #071f1b;
  color: #fff;
}
.contact a{ color:#fff; }
.contact .muted{ color: rgba(255,255,255,.78); }

.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}

.contact-box{
  margin-top: 14px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255,255,255,.06);
  display:grid;
  gap: 14px;
}

.label{
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
  margin-bottom: 6px;
}

.contact-card{
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255,255,255,.06);
  box-shadow: 0 18px 50px rgba(0,0,0,.20);
}
.contact-card h3{ margin: 0 0 8px; font-size: 22px; letter-spacing: -0.01em; }
.contact-card p{ margin: 0 0 14px; }
.contact-card-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.contact-card .btn-secondary{
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.92);
}

/* Footer */
.site-footer{
  background: #051714;
  color: rgba(255,255,255,.78);
  padding: 18px 0;
}
.footer-inner{
  display:flex;
  justify-content:center;
  font-size: 13px;
}

/* Floating WhatsApp button (integrated) */
.wa-float{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9999;

  display: inline-flex;
  align-items: center;
  gap: 10px;

  padding: 12px 14px;
  border-radius: 999px;

  background: var(--wa);
  color: #fff;

  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 16px 40px rgba(2,6,23,.18);

  text-decoration: none;
  font-weight: 900;
}
.wa-float:hover{
  text-decoration: none;
  background: var(--wa-2);
}
.wa-float:focus-visible{
  outline: 3px solid rgba(18, 140, 126, .28);
  outline-offset: 3px;
}
.wa-float .wa-float-text{
  font-size: 14px;
  line-height: 1;
}

/* Responsive */
@media (max-width: 920px){
  .cards.three-col{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .hero{ padding: 78px 0 64px; background-image:
    linear-gradient(180deg, rgba(7,31,27,.90) 0%, rgba(7,31,27,.50) 45%, rgba(7,31,27,.90) 100%),
    url("assets/hero.jpg"); }
  .btn-secondary{ border-color: rgba(15,23,42,.14); }
  .hero-copy{ width: 100%; }
}

@media (max-width: 720px){
  .nav-toggle{ display:inline-flex; }
  .nav-menu{
    display:none;
    position:absolute;
    right: 20px;
    top: 64px;
    background:#fff;
    border:1px solid var(--border);
    border-radius: 14px;
    padding: 10px;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--shadow);
    min-width: 200px;
  }
  .nav-menu.open{ display:flex; }
  .btn-whatsapp{ display:none; }
  .cards.two-col{ grid-template-columns: 1fr; }
}

@media (max-width: 420px){
  .wa-float{ padding: 12px; }
  .wa-float .wa-float-text{ display:none; }
}