/* ===== Martrònic — electricistes Tarragona · light technical ===== */
:root{
  --bg:#f7f8fa; --bg-2:#ffffff; --ink:#13161c; --ink-2:#494f5c; --ink-3:#8b91a0;
  --blue:#1453ff; --blue-2:#0b3bd6; --yellow:#ffd21e; --line:rgba(19,22,28,.10);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,sans-serif;background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6}
em{font-style:normal;font-family:"Sora",sans-serif;color:var(--blue)}
a{color:inherit;text-decoration:none}
.kicker{font-family:"Sora",sans-serif;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);font-weight:600;margin-bottom:16px}
.sec-title{font-family:"Sora",sans-serif;font-weight:700;font-size:clamp(28px,4.6vw,52px);line-height:1.05;letter-spacing:-.02em}
.sec-head{max-width:760px;margin:0 auto 52px;padding:0 6vw}
.sec-head.center{text-align:center}

[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
.reveal[data-split]{opacity:1;transform:none}

.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;font-family:"Sora",sans-serif;
  font-weight:600;padding:14px 26px;border-radius:10px;font-size:15px;border:none;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s;box-shadow:0 10px 28px -10px rgba(20,83,255,.55)}
.btn-primary:hover{transform:translateY(-2px);background:var(--blue-2);box-shadow:0 16px 36px -10px rgba(20,83,255,.6)}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;padding:14px 22px;border:1px solid var(--line);border-radius:10px;
  font-weight:500;font-size:15px;color:var(--ink-2);transition:.25s var(--ease);background:var(--bg-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--ink)}
.btn-full{width:100%;justify-content:center}

.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:18px 6vw;transition:.4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(14px);padding:12px 6vw;border-color:var(--line)}
.nav-logo{font-family:"Sora",sans-serif;font-weight:700;font-size:21px;letter-spacing:-.02em}
.nav-logo span{color:var(--blue)}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:14.5px;color:var(--ink-2);transition:.2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{font-family:"Sora",sans-serif;font-size:14.5px;font-weight:600;color:var(--blue)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--ink)}

.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 6vw 80px;overflow:hidden}
.hero-glow{position:absolute;top:-10%;right:-5%;width:60vw;height:60vw;z-index:-1;border-radius:50%;
  background:radial-gradient(circle,rgba(20,83,255,.14),transparent 60%);filter:blur(20px)}
.hero::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:6px;background:linear-gradient(90deg,var(--blue),var(--yellow))}
.hero-content{max-width:860px}
.hero-kicker{font-family:"Sora",sans-serif;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-weight:600;margin-bottom:22px}
.hero-title{font-family:"Sora",sans-serif;font-weight:700;font-size:clamp(46px,9vw,108px);line-height:.96;letter-spacing:-.03em;margin-bottom:24px}
.hero-sub{font-size:clamp(16px,2vw,20px);color:var(--ink-2);max-width:580px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-badges{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3)}
.hero-badges .dot{opacity:.5}

.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.trust-inner{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;padding:20px 6vw;font-size:13.5px;color:var(--ink-2);font-family:"Sora",sans-serif}
.trust .sep{color:var(--blue)}

.serveis{padding:110px 0}
.serveis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1180px;margin:0 auto;padding:0 6vw}
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:32px 28px;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.card:hover{transform:translateY(-6px);border-color:rgba(20,83,255,.35);box-shadow:0 18px 40px -22px rgba(20,83,255,.4)}
.card-ico{font-size:32px;margin-bottom:16px}
.card h3{font-family:"Sora",sans-serif;font-size:19px;font-weight:600;margin-bottom:9px;letter-spacing:-.01em}
.card p{font-size:14.5px;color:var(--ink-2)}

.stats{padding:72px 0;background:var(--ink);color:#fff}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;max-width:1100px;margin:0 auto;padding:0 6vw;text-align:center}
.stat-num{font-family:"Sora",sans-serif;font-size:clamp(38px,6vw,64px);font-weight:700;color:var(--yellow)}
.stat-suf{font-family:"Sora",sans-serif;font-size:22px;color:var(--yellow)}
.stat p{font-size:13.5px;color:rgba(255,255,255,.6);margin-top:6px}

.about{padding:110px 0}
.about-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;max-width:1180px;margin:0 auto;padding:0 6vw}
.about-body{font-size:16px;color:var(--ink-2);margin:18px 0}
.about-card{background:var(--ink);color:#fff;border-radius:20px;padding:38px}
.feat{list-style:none;display:flex;flex-direction:column;gap:18px}
.feat li{font-size:15px;color:rgba(255,255,255,.78);padding-left:28px;position:relative}
.feat li::before{content:"⚡";position:absolute;left:0;color:var(--yellow)}
.feat strong{color:#fff;font-weight:600}

.reviews{padding:110px 0;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1180px;margin:0 auto;padding:0 6vw}
.review{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:28px}
.stars{color:var(--yellow);font-size:17px;letter-spacing:2px;margin-bottom:12px}
.review p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px}
.review cite{font-family:"Sora",sans-serif;font-size:12.5px;color:var(--ink-3);font-style:normal;font-weight:600}

.contact{padding:110px 0}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1100px;margin:0 auto;padding:0 6vw;align-items:start}
.contact-title{font-family:"Sora",sans-serif;font-weight:700;font-size:clamp(30px,5vw,52px);line-height:1.04;margin-bottom:14px;letter-spacing:-.02em}
.contact-sub{color:var(--ink-2);margin-bottom:28px}
.contact-details{display:flex;flex-direction:column;gap:14px}
.detail{display:flex;align-items:center;gap:14px;font-size:16px;color:var(--ink-2);transition:.2s}
.detail:hover{color:var(--blue)}
.dico{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--bg-2);border:1px solid var(--line);border-radius:11px;font-size:18px}
.contact-form{display:flex;flex-direction:column;gap:12px}
.inp{width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:11px;padding:14px 16px;color:var(--ink);font-size:15px;font-family:inherit;transition:border-color .2s}
.inp:focus{outline:none;border-color:var(--blue)}
.ta{resize:none}.sel{appearance:none;cursor:pointer}
.inp::placeholder{color:var(--ink-3)}

.footer{padding:54px 6vw 36px;background:var(--ink);color:#fff}
.footer-inner{max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;align-items:center}
.footer-logo{font-family:"Sora",sans-serif;font-weight:700;font-size:19px}
.footer-logo em{color:var(--yellow)}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.5);margin-top:6px}
.footer-nav{display:flex;gap:22px}
.footer-nav a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-nav a:hover{color:var(--yellow)}
.footer-copy{font-size:12.5px;color:rgba(255,255,255,.4);width:100%;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin-top:6px}

@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav.open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--bg-2);padding:20px 6vw;gap:16px;border-bottom:1px solid var(--line)}
  .serveis-grid,.reviews-grid{grid-template-columns:1fr}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:34px 20px}
  .about-inner,.contact-inner{grid-template-columns:1fr;gap:40px}
}
@media(max-width:520px){.hero-actions{flex-direction:column;align-items:stretch}.btn-primary,.btn-ghost{justify-content:center}}