/* ===== Sorto Services — A/C and Heat ===== */
:root{
  --navy:#0b2b4a;
  --navy-2:#0a2038;
  --ink:#12202f;
  --yellow:#ffe000;
  --yellow-deep:#f5c400;
  --hot:#ff3b1d;
  --hot-2:#ff7a00;
  --cold:#1f8fff;
  --cold-2:#17c3ff;
  --paper:#f4f2ec;
  --paper-2:#eae6dc;
  --line:#d8d2c4;
  --white:#ffffff;
  --shadow:0 18px 40px -22px rgba(9,20,34,.55);
  --radius:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Oswald',Arial,sans-serif;text-transform:uppercase;line-height:1.02;margin:0}

/* grain/rough texture used across dark panels */
.card-rough,.section--dark,.hero,.section--cta{
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  background-blend-mode:overlay;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:'Oswald',sans-serif;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;font-size:.95rem;
  padding:.72rem 1.35rem;border-radius:10px;border:2px solid transparent;
  transition:transform .12s ease, box-shadow .12s ease, background .2s;
  cursor:pointer;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--call{
  background:linear-gradient(180deg,var(--hot-2),var(--hot));
  color:#fff;box-shadow:0 10px 22px -10px rgba(255,59,29,.8);
}
.btn--call:hover{filter:brightness(1.06)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--lg{font-size:1.05rem;padding:.95rem 1.7rem}

/* ===== Topbar ===== */
.topbar{
  background:var(--navy-2);color:#cfe0f2;
  display:flex;justify-content:space-between;align-items:center;
  padding:.4rem clamp(1rem,4vw,3rem);font-size:.82rem;
  letter-spacing:.03em;
}
.topbar__tag{opacity:.85}
.topbar__call{color:var(--yellow);font-weight:700;font-family:'Oswald',sans-serif;letter-spacing:.05em}

/* ===== Header ===== */
.header{
  position:sticky;top:0;z-index:40;
  background:rgba(244,242,236,.92);backdrop-filter:blur(8px);
  border-bottom:3px solid var(--navy);
  display:flex;align-items:center;gap:1.5rem;
  padding:.6rem clamp(1rem,4vw,3rem);
}
.header__brand img{height:46px;width:auto}
.header__nav{margin-left:auto;display:flex;gap:1.6rem;font-family:'Oswald',sans-serif;
  text-transform:uppercase;font-weight:600;font-size:.92rem;letter-spacing:.05em}
.header__nav a{padding:.3rem 0;border-bottom:2px solid transparent;transition:border-color .15s,color .15s}
.header__nav a:hover{color:var(--hot);border-color:var(--hot)}
.header__cta{margin-left:.5rem}

/* ===== Hero ===== */
.hero{
  background:
    radial-gradient(1000px 500px at 78% -10%, rgba(31,143,255,.18), transparent 60%),
    radial-gradient(900px 500px at 5% 120%, rgba(255,59,29,.16), transparent 55%),
    linear-gradient(160deg,var(--navy) 0%, var(--navy-2) 65%, #071a2e 100%);
  color:#eaf2fb;position:relative;overflow:hidden;
  border-bottom:6px solid var(--yellow);
}
.hero__grid{
  max-width:1180px;margin:0 auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center;
  padding:clamp(3rem,7vw,6rem) clamp(1rem,4vw,3rem) clamp(3rem,6vw,5rem);
}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;
  font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.14em;
  font-size:.82rem;color:var(--yellow);margin:0 0 1rem}
.eyebrow .dot{width:9px;height:9px;border-radius:50%;background:var(--cold-2);
  box-shadow:0 0 0 4px rgba(23,195,255,.25)}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:700;letter-spacing:.01em}
.hero h1 .hot{color:var(--hot-2)}
.hero h1 .cold{color:var(--cold-2)}
.hero__lead{max-width:36rem;color:#c4d4e6;font-size:1.08rem;margin:1.4rem 0 2rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:1.6rem}
.hero__badges{list-style:none;display:flex;flex-wrap:wrap;gap:1.2rem;padding:0;margin:0;
  font-size:.9rem;color:#9fc0e0;font-weight:600}

/* Hero gauge panel */
.hero__panel{display:flex;justify-content:center}
.gauge{
  width:100%;max-width:340px;background:#12324f;border:2px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow);
  transform:rotate(-1.4deg);
}
.gauge__head{display:flex;justify-content:space-between;align-items:center;
  font-family:'Oswald',sans-serif;letter-spacing:.14em;color:#9fc0e0;font-size:.78rem}
.gauge__ref{background:var(--yellow);color:#12202f;font-weight:700;padding:.1rem .5rem;border-radius:5px}
.gauge__rows{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin:1rem 0 .8rem}
.gauge__cell{background:#0b243b;border:1px solid rgba(255,255,255,.08);border-radius:9px;
  padding:.7rem .8rem;text-align:left}
.gauge__cell b{font-family:'Oswald',sans-serif;font-size:1.7rem;color:#eaf6ff;display:block;line-height:1}
.gauge__cell b span{font-size:.7rem;color:#7fa6c8;margin-left:2px}
.gauge__cell small{font-size:.66rem;letter-spacing:.12em;color:#7fa6c8}
.gauge__cell--ok b{color:#4ade80}
.gauge__foot{font-size:.72rem;color:#7fa6c8;letter-spacing:.04em;text-align:center;margin-top:.4rem}

/* scrolling strip */
.hero__strip{
  background:var(--yellow);color:#12202f;
  font-family:'Oswald',sans-serif;font-weight:700;text-transform:uppercase;
  letter-spacing:.12em;font-size:.9rem;
  display:flex;gap:1.3rem;align-items:center;
  padding:.7rem 1rem;overflow:hidden;white-space:nowrap;
  flex-wrap:wrap;justify-content:center;
}
.hero__strip i{color:var(--hot);font-style:normal}

/* ===== Sections ===== */
.section{max-width:1180px;margin:0 auto;padding:clamp(3.5rem,7vw,6rem) clamp(1rem,4vw,3rem)}
.section--dark,.section--cta{max-width:none}
.section__head{max-width:44rem;margin:0 auto 2.6rem;text-align:center}
.kicker{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.2em;
  font-size:.82rem;color:var(--hot);margin:0 0 .6rem;font-weight:600}
.kicker--light{color:var(--yellow)}
.section h2{font-size:clamp(2rem,4.5vw,3rem);font-weight:700;color:var(--navy)}
.section--dark h2,.section--cta h2{color:#fff}
.section__sub{color:#5c6b7a;margin:.8rem 0 0;font-size:1.05rem}

/* rough card base */
.card-rough{background-color:var(--white);border:2px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow)}

/* Services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.svc{padding:1.6rem 1.5rem;position:relative;overflow:hidden;transition:transform .15s, border-color .15s}
.svc:hover{transform:translateY(-4px);border-color:var(--navy)}
.svc::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;
  background:linear-gradient(var(--hot-2),var(--hot))}
.svc__ic{width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
  font-size:1.5rem;margin-bottom:1rem;color:#fff}
.svc__ic--cold{background:linear-gradient(135deg,var(--cold),var(--cold-2))}
.svc__ic--hot{background:linear-gradient(135deg,var(--hot-2),var(--hot))}
.svc h3{font-size:1.3rem;color:var(--navy);margin-bottom:.5rem}
.svc p{margin:0;color:#556575;font-size:.98rem}

/* Why (dark) */
.section--dark{background:linear-gradient(160deg,var(--navy),#071a2e);
  padding:clamp(3.5rem,7vw,6rem) clamp(1rem,4vw,3rem);border-top:6px solid var(--yellow);border-bottom:6px solid var(--yellow)}
.why{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem}
.why__item{border-top:3px solid var(--hot);padding-top:1rem}
.why__num{font-family:'Oswald',sans-serif;font-size:2.4rem;font-weight:700;color:var(--yellow);display:block;line-height:1}
.why__item h3{color:#fff;font-size:1.25rem;margin:.5rem 0}
.why__item p{color:#a9c2da;margin:0;font-size:.96rem}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.shot{overflow:hidden;padding:0}
.shot img{aspect-ratio:4/3;width:100%;height:auto;object-fit:cover;display:block;
  transition:transform .4s ease}
.shot:hover img{transform:scale(1.05)}
.shot figcaption{padding:.9rem 1.1rem;font-family:'Oswald',sans-serif;text-transform:uppercase;
  letter-spacing:.05em;color:var(--navy);font-weight:600;font-size:.95rem}
.gallery__note{text-align:center;color:#8493a2;font-size:.85rem;margin-top:1.4rem}
.gallery__note code{background:var(--paper-2);padding:.1rem .4rem;border-radius:4px}

/* CTA */
.section--cta{background:
  radial-gradient(700px 400px at 90% 10%, rgba(31,143,255,.22),transparent 60%),
  linear-gradient(160deg,#0d3157,var(--navy-2));
  padding:clamp(3.5rem,7vw,6rem) clamp(1rem,4vw,3rem);border-top:6px solid var(--yellow)}
.cta{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.cta__copy p{color:#bcd2e8;margin:.8rem 0 1.6rem;max-width:30rem}
.cta__info{list-style:none;padding:0;margin:0;display:grid;gap:1rem}
.cta__info li{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:11px;padding:1rem 1.2rem;display:flex;flex-direction:column;gap:.15rem}
.cta__label{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.14em;
  font-size:.72rem;color:var(--yellow)}
.cta__info a,.cta__info strong,.cta__info span{color:#eaf2fb;font-size:1.05rem;font-weight:600}
.cta__info a:hover{color:var(--cold-2)}

/* Footer */
.footer{background:var(--navy-2);color:#9fb6cd;text-align:center;
  padding:2.4rem 1rem;display:flex;flex-direction:column;align-items:center;gap:1rem}
.footer__logo{height:52px;background:#fff;padding:.5rem .8rem;border-radius:10px}
.footer p{margin:0;font-size:.9rem}
.footer a{color:var(--yellow);font-weight:600}

/* Floating call button (mobile) */
.fab{position:fixed;right:18px;bottom:18px;z-index:50;
  width:58px;height:58px;border-radius:50%;display:none;place-items:center;
  background:linear-gradient(180deg,var(--hot-2),var(--hot));color:#fff;font-size:1.5rem;
  box-shadow:0 12px 26px -8px rgba(255,59,29,.8)}

/* ===== Responsive ===== */
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:2.4rem}
  .hero__panel{order:-1}
  .services{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:1fr 1fr}
  .cta{grid-template-columns:1fr;gap:2rem}
}
@media (max-width:680px){
  .header__nav{display:none}
  .topbar__tag{display:none}
  .topbar{justify-content:center}
  .services{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .fab{display:grid}
  .header__cta{margin-left:auto}
}