:root{
  --bg:#081412;
  --bg2:#0b1f1a;
  --card:rgba(255,255,255,.06);
  --text:#f2f6f5;
  --muted:#c9d4d0;
  --line:rgba(255,255,255,.14);

  --accent:#184531;
  --accent2:#30463C;
  --danger:#9C0304;

  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius:18px;
  --container: 1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

/* ✅ Scroll correcto para header sticky (topbar + header) */
html{
  scroll-behavior: smooth;
  scroll-padding-top: 0px;
}

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(900px 520px at 15% 0%, rgba(48,70,60,.22), transparent 60%),
              radial-gradient(800px 500px at 85% 10%, rgba(24,69,49,.22), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:14px}

.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}

/* Topbar */
.topbar{
  background: rgba(255,255,255,.04);
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:10px 0;
}
.topbar__actions{display:flex; gap:10px; align-items:center}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(8,20,18,.70);
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 0;
  gap:12px;
}

/* ✅ Logo sin “caja blanca” */
.brand{
  display:flex;
  align-items:center;
  padding:0;
  background:transparent;
}
.brand__img{
  height:80px;
  width:auto;
  border-radius:0; /* clave */
  display:block;
}

.nav{display:flex; gap:10px; align-items:center}
.nav a{opacity:.9; padding:8px 10px; border-radius:12px}
.nav a:hover{background:rgba(255,255,255,.06); opacity:1}

.hamburger{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:12px;
  padding:10px;
}
.hamburger span{
  display:block; height:2px; margin:5px 0;
  background:rgba(255,255,255,.85);
  border-radius:2px;
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:#ffffff;
  font-weight:800;
  border:1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  transition: transform .2s ease;
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}

.btn--ghost{
  background: rgba(255,255,255,.06);
  color:var(--text);
  border:1px solid var(--line);
  box-shadow:none;
}

.pill{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
}
.pill:hover{background: rgba(255,255,255,.08)}

/* Hero */
.hero{
  position: relative;
  background:
    linear-gradient(180deg, rgba(20, 90, 65, 0.15), rgba(10, 40, 30, 0.95)),
    url("img/puerto.jpg") center / cover no-repeat;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.15), rgba(0,0,0,0.35));
  z-index:1;
  pointer-events:none;
}
.hero__inner{position:relative; z-index:2; padding:64px 0}
.hero h1{
  font-size: clamp(34px, 4.5vw, 54px);
  margin:0 0 12px;
  letter-spacing:.2px;
}
.hero p{
  max-width: 680px;
  margin:0 0 12px;
  font-size: 18px;
}
.muted{color:var(--muted)}
.hero__cta{display:flex; gap:12px; flex-wrap:wrap; margin:18px 0 22px}

.hero__badges{display:flex; gap:12px; flex-wrap:wrap}
.badge{
  background: rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius: 16px;
  padding:12px 14px;
  min-width: 200px;
}
.badge strong{display:block; position:relative}
.badge strong::after{
  content:"";
  display:block;
  height:3px;
  width:34px;
  margin-top:6px;
  background: var(--danger);
  border-radius:99px;
}
.badge span{color:var(--muted); font-size:14px}

/* Sections */
.section{padding:56px 0}
.section--alt{
  background: rgba(255,255,255,.03);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section h2{margin:0 0 10px; font-size:30px}

/* ✅ Ajuste fino de anclas (evita “hueco”) */
#sectores, #servicios, #porque, #contacto{
  scroll-margin-top: 120px;
}

/* Cards */
.cards{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.card{
  background: rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.cards .card h3{margin:0 0 8px}
.cards .card p{margin:0; color:var(--muted)}

/* Note */
.note{
  margin-top: 18px;
  background: rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.note span{font-weight:800; display:block; margin-bottom:10px}
.note ul{margin:0; padding-left:18px; color:var(--muted)}

/* Accordion */
.accordion{display:grid; gap:10px; margin-top: 16px}
details{
  margin-bottom: 14px;
  border-radius: 14px;
  background: rgba(15, 30, 25, 0.85);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
  padding: 12px 14px;
}
details > summary{
  cursor:pointer;
  font-weight:800;
  transition: background .2s ease, color .2s ease;
}
details > summary:hover{background: rgba(255,255,255,0.06)}
details > summary::marker{color: #7de2b1}
.acc__body{display:flex; gap:8px; flex-wrap:wrap; padding-top:12px}

.tag{
  font-size:13px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--text);
}

/* Quote */
.quote{
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border:1px solid rgba(156,3,4,.35);
  background: rgba(156,3,4,.10);
  font-weight:800;
}

/* Layout */
.grid2{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items:start;
}
.list{padding-left:18px; color:var(--muted)}
.exp{margin-top:16px}

.contact-card .contact-list{display:grid; gap:10px; margin-top:10px}
.mini{margin-top:14px; display:grid; gap:6px}
.contact-details{display:grid; gap:10px; margin-top:14px}

/* Forms */
.form label{display:grid; gap:8px; margin-bottom:12px; font-weight:800}
input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline: none;
}
input:focus, textarea:focus{border-color: rgba(24,69,49,.75)}
.small{font-size:13px}

/* Footer */
.footer{
  padding: 22px 0;
  background: rgba(0,0,0,.18);
}
.footer__inner{
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  color: var(--muted);
  border-top:1px solid var(--line);
  padding-top:16px;
}
.footer__links{display:flex; gap:12px}
.footer__links a:hover{text-decoration:underline; color:var(--text)}

/* Fondos por sección */
.section--services{
  position: relative;
  background:
    linear-gradient(180deg, rgba(30, 90, 85, 0.55), rgba(10, 40, 30, 0.95)),
    url("img/servicios-certificados.jpg") center / cover no-repeat;
}
.section--sectores{
  position: relative;
  background:
    linear-gradient(180deg, rgba(18, 70, 55, 0.75), rgba(10, 40, 30, 0.96)),
    url("img/sectores-nom.jpg") center / cover no-repeat;
}
.section--services *, .section--sectores *{ position: relative; z-index: 2; }

/* Helpers overlay */
.section-bg{ position: relative; }
.section-bg .overlay{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
}

/* ¿Por qué elegir? */
#porque{
  background: url("img/porque-recertiva-bg.jpg") center / cover no-repeat;
  color:#fff;
}
#porque .overlay{
  background: rgba(10, 40, 32, 0.18);
  backdrop-filter: blur(1px);
}
#porque .container{ position:relative; z-index:2; }
#porque .contact-card{
  background: rgba(12,25,20,.85);
  backdrop-filter: blur(6px);
}
#porque h2, #porque h3{
  text-shadow: 0 2px 8px rgba(0,0,0,.35);
}

/* Contacto */
#contacto{
  background: url("img/contacto-bg.png") center / cover no-repeat;
  color:#fff;
}
#contacto .overlay{
  background: rgba(10, 40, 32, 0.18);
  backdrop-filter: blur(.5px);
}
#contacto .container{ position:relative; z-index:2; }
#contacto .card,
#contacto form{
  background: rgba(15, 30, 26, 0.88);
  backdrop-filter: blur(6px);
}
#contacto h2{
  text-shadow: 0 2px 10px rgba(0,0,0,.4);
}

/* Responsive */
@media (max-width: 980px){
  .cards{grid-template-columns: repeat(2, 1fr);}
  .grid2{grid-template-columns: 1fr;}
}
@media (max-width: 720px){
  .nav{
    display:none;
    position:absolute;
    top: 68px;
    left: 16px; right: 16px;
    background: rgba(8,20,18,.92);
    border:1px solid var(--line);
    border-radius: 16px;
    padding: 10px;
    flex-direction:column;
  }
  .nav a{width:100%}
  .hamburger{display:block}
}

details[open] > summary{
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 8px 10px;
}