/* ============================================================
   AC REPAIR SERVICE — Tricity | Premium 3D Style System
   ============================================================ */

:root{
  --navy-950:#050b1c;
  --navy-900:#081229;
  --navy-800:#0d1b3d;
  --navy-700:#122653;
  --blue:#2f7bff;
  --cyan:#22d3ee;
  --cyan-soft:#7dd3fc;
  --orange:#ff6a2b;
  --red:#ff4d4d;
  --white:#ffffff;
  --ink:#eaf1ff;
  --muted:#9fb0d6;
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(125,211,252,.18);
  --radius:20px;
  --shadow-3d:0 24px 48px -18px rgba(2,8,30,.65);
  --glow-cyan:0 0 28px rgba(34,211,238,.35);
  --glow-orange:0 0 26px rgba(255,106,43,.4);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--navy-950);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}

/* ---------- Animated futuristic background ---------- */
.bg-scene{
  position:fixed;inset:0;z-index:-2;overflow:hidden;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(47,123,255,.22), transparent 60%),
    radial-gradient(900px 600px at -10% 40%, rgba(34,211,238,.12), transparent 60%),
    linear-gradient(180deg,var(--navy-950) 0%,var(--navy-900) 55%,var(--navy-950) 100%);
}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;will-change:transform}
.orb-1{width:420px;height:420px;background:rgba(47,123,255,.35);top:-140px;right:-100px;animation:float 14s ease-in-out infinite}
.orb-2{width:320px;height:320px;background:rgba(34,211,238,.28);top:40%;left:-140px;animation:float 18s ease-in-out infinite reverse}
.orb-3{width:260px;height:260px;background:rgba(255,106,43,.16);bottom:-80px;right:12%;animation:float 16s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(30px) translateX(18px)}}

.grid-overlay{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(125,211,252,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,211,252,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
}

/* ---------- Layout ---------- */
.container{width:min(1160px,92%);margin-inline:auto}
section{padding:72px 0}
.section-tag{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan);
  padding:6px 14px;border:1px solid var(--glass-border);border-radius:999px;
  background:var(--glass);backdrop-filter:blur(8px);margin-bottom:16px;
}
h1{font-size:clamp(2rem,5.6vw,3.4rem);line-height:1.12;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;letter-spacing:-.015em;line-height:1.15}
h3{font-size:1.15rem;font-weight:700}
.grad-text{
  background:linear-gradient(92deg,var(--cyan-soft) 0%,var(--cyan) 45%,var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.02rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,11,28,.72);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(125,211,252,.12);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em;font-size:1.02rem;white-space:nowrap}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;box-shadow:var(--glow-cyan);
}
.logo-mark svg{width:22px;height:22px}
.logo span b{color:var(--cyan)}
.nav-desktop{display:flex;align-items:center;gap:30px}
.nav-desktop a{color:var(--muted);font-weight:600;font-size:.95rem;position:relative;padding:4px 0}
.nav-desktop a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .3s ease;
}
.nav-desktop a:hover,.nav-desktop a.active{color:var(--white)}
.nav-desktop a:hover::after,.nav-desktop a.active::after{width:100%}
.menu-toggle{
  display:none;background:var(--glass);border:1px solid var(--glass-border);
  border-radius:10px;padding:9px 10px;color:var(--ink);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.95rem;border-radius:14px;border:none;
  padding:13px 24px;transition:transform .25s ease,box-shadow .25s ease;
  will-change:transform;
}
.btn:active{transform:scale(.97)}
.btn-call{
  background:linear-gradient(135deg,var(--orange),#ff8a3d);color:#fff;
  box-shadow:var(--glow-orange),0 10px 22px -10px rgba(255,106,43,.55);
}
.btn-call:hover{transform:translateY(-3px);box-shadow:0 0 38px rgba(255,106,43,.55),0 16px 30px -12px rgba(255,106,43,.6)}
.btn-wa{
  background:linear-gradient(135deg,#16a34a,#25d366);color:#fff;
  box-shadow:0 0 24px rgba(37,211,102,.3),0 10px 22px -10px rgba(37,211,102,.5);
}
.btn-wa:hover{transform:translateY(-3px)}
.btn-ghost{
  background:var(--glass);border:1px solid var(--glass-border);color:var(--ink);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-3px)}
.btn-sm{padding:9px 18px;font-size:.88rem;border-radius:11px}
.btn-lg{padding:16px 32px;font-size:1.05rem;border-radius:16px}

/* ---------- Hero ---------- */
.hero{padding:64px 0 56px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero p.lead{color:var(--muted);font-size:clamp(1rem,2.2vw,1.18rem);margin:20px 0 30px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;color:var(--ink)}
.trust-row .tick{
  width:20px;height:20px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:rgba(34,211,238,.14);border:1px solid rgba(34,211,238,.4);color:var(--cyan);font-size:.7rem;
}

/* Hero slider */
.hero-slider{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-3d),var(--glow-cyan);
  transform:perspective(1200px) rotateY(-4deg);
  transition:transform .5s ease;
  background:var(--navy-800);
}
.hero-slider:hover{transform:perspective(1200px) rotateY(0)}
.slider-track{display:flex;transition:transform .7s cubic-bezier(.65,.05,.36,1)}
.slide{flex:0 0 100%;aspect-ratio:16/10}
.slide img{width:100%;height:100%;object-fit:cover}
.slider-btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:42px;height:42px;border-radius:50%;border:1px solid var(--glass-border);
  background:rgba(5,11,28,.55);backdrop-filter:blur(8px);color:var(--white);
  font-size:1.1rem;display:grid;place-items:center;transition:.25s;
}
.slider-btn:hover{background:var(--blue);box-shadow:var(--glow-cyan)}
.slider-prev{left:12px}.slider-next{right:12px}
.slider-dots{position:absolute;bottom:14px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:5}
.slider-dots button{
  width:9px;height:9px;border-radius:999px;border:none;padding:0;
  background:rgba(255,255,255,.35);transition:.3s;
}
.slider-dots button.active{width:26px;background:var(--cyan);box-shadow:var(--glow-cyan)}
/* Image replacement note:
   <img src="images/ac-hero-1.webp"> ... ac-hero-4.webp — swap these files
   with your own 1600x1000 WebP photos keeping the same file names. */

/* ---------- 3D Glass Cards ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cards-grid.three{grid-template-columns:repeat(3,1fr)}
.cards-grid.two{grid-template-columns:repeat(2,1fr)}
.g-card{
  position:relative;border-radius:var(--radius);padding:28px 24px;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid var(--glass-border);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-3d);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s;
  transform-style:preserve-3d;
}
.g-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(120deg,rgba(125,211,252,.14),transparent 40%);
  opacity:0;transition:opacity .35s;
}
.g-card:hover{transform:translateY(-10px) perspective(900px) rotateX(3deg);border-color:rgba(125,211,252,.45);box-shadow:var(--shadow-3d),var(--glow-cyan)}
.g-card:hover::before{opacity:1}
.card-icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(47,123,255,.28),rgba(34,211,238,.18));
  border:1px solid rgba(125,211,252,.3);color:var(--cyan);
  box-shadow:inset 0 0 18px rgba(34,211,238,.12);
}
.card-icon svg{width:26px;height:26px}
.g-card h3{margin-bottom:8px}
.g-card p{color:var(--muted);font-size:.92rem}

/* ---------- Services preview ---------- */
.svc-card{overflow:hidden;padding:0;display:flex;flex-direction:column}
.svc-card .svc-img{aspect-ratio:16/10;overflow:hidden}
.svc-card .svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.svc-card:hover .svc-img img{transform:scale(1.06)}
.svc-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.svc-body .card-icon{width:44px;height:44px;margin-bottom:2px}
.svc-body .card-icon svg{width:22px;height:22px}
.svc-body p{color:var(--muted);font-size:.9rem;flex:1}
.svc-cta{
  display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:.92rem;color:var(--cyan);
  margin-top:4px;transition:gap .25s;
}
.svc-cta:hover{gap:12px;color:var(--cyan-soft)}

/* ---------- Timeline ---------- */
.timeline{position:relative;max-width:820px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:27px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--blue),transparent);
  box-shadow:0 0 14px rgba(34,211,238,.5);
}
.t-step{position:relative;padding:0 0 40px 84px}
.t-step:last-child{padding-bottom:0}
.t-num{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;font-weight:800;font-size:1.05rem;color:var(--navy-950);
  background:linear-gradient(135deg,var(--cyan-soft),var(--blue));
  box-shadow:var(--glow-cyan);z-index:1;
}
.t-step h3{margin-bottom:6px}
.t-step p{color:var(--muted);font-size:.95rem;max-width:520px}

/* ---------- Area chips ---------- */
.area-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:22px}
.area-chip{
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:1.02rem;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid var(--glass-border);backdrop-filter:blur(12px);
  transition:.3s;
}
.area-chip:hover{border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-4px)}
.area-note{text-align:center;color:var(--muted)}

/* ---------- Final CTA ---------- */
.final-cta{
  position:relative;border-radius:28px;overflow:hidden;text-align:center;
  padding:64px 24px;
  background:linear-gradient(135deg,rgba(47,123,255,.22),rgba(34,211,238,.1) 55%,rgba(255,106,43,.12));
  border:1px solid var(--glass-border);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-3d);
}
.final-cta::after{
  content:"";position:absolute;inset:-2px;pointer-events:none;
  background:radial-gradient(600px 260px at 50% 0%,rgba(34,211,238,.22),transparent 70%);
}
.final-cta p{color:var(--muted);margin:14px auto 30px;max-width:480px}
.final-cta .btn-row{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;position:relative;z-index:1}
.big-phone{display:block;font-size:clamp(1.6rem,5vw,2.4rem);font-weight:800;letter-spacing:.03em;margin-top:28px;color:var(--cyan-soft)}

/* ---------- Services page detail cards ---------- */
.svc-detail{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:0;overflow:hidden;padding:0;
}
.svc-detail .svc-img{min-height:100%}
.svc-detail .svc-img img{width:100%;height:100%;object-fit:cover}
.svc-detail .svc-body{padding:34px;justify-content:center}
.svc-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.contact-panel{padding:38px}
.contact-big{
  display:flex;flex-direction:column;align-items:flex-start;gap:18px;
}
.phone-display{
  font-size:clamp(2rem,6vw,3rem);font-weight:800;letter-spacing:.02em;
  background:linear-gradient(92deg,var(--cyan-soft),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.contact-methods{display:flex;flex-direction:column;gap:14px;width:100%;margin-top:8px}
.contact-methods a{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:16px;font-weight:700;transition:.3s}
.cm-call{background:rgba(255,106,43,.12);border:1px solid rgba(255,106,43,.35)}
.cm-call:hover{background:rgba(255,106,43,.22);box-shadow:var(--glow-orange);transform:translateY(-3px)}
.cm-wa{background:rgba(37,211,102,.1);border:1px solid rgba(37,211,102,.35)}
.cm-wa:hover{background:rgba(37,211,102,.2);box-shadow:0 0 26px rgba(37,211,102,.35);transform:translateY(-3px)}
.cm-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.cm-call .cm-ico{background:var(--orange)}
.cm-wa .cm-ico{background:#1fae53}
.cm-ico svg{width:22px;height:22px;fill:#fff}

/* Form */
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:.86rem;font-weight:700;color:var(--cyan-soft);margin-bottom:7px;letter-spacing:.03em}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:14px 16px;border-radius:13px;font-size:.98rem;font-family:inherit;color:var(--white);
  background:rgba(255,255,255,.05);border:1px solid rgba(125,211,252,.2);
  transition:border-color .25s,box-shadow .25s;outline:none;
}
.form-field textarea{resize:vertical;min-height:110px}
.form-field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2322d3ee' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.form-field select option{background:var(--navy-800);color:var(--white)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.form-field .error-msg{display:none;color:var(--red);font-size:.82rem;margin-top:6px}
.form-field.invalid input,.form-field.invalid select,.form-field.invalid textarea{border-color:var(--red)}
.form-field.invalid .error-msg{display:block}
.form-note{font-size:.84rem;color:var(--muted);margin-top:14px}
.form-success{
  display:none;margin-top:16px;padding:14px 18px;border-radius:13px;font-weight:600;
  background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.4);color:#86efac;
}
.form-success.show{display:block}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:40px;padding:52px 0 110px;
  border-top:1px solid rgba(125,211,252,.12);
  background:rgba(5,11,28,.6);backdrop-filter:blur(10px);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-grid h4{font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.footer-grid ul li{margin-bottom:9px;color:var(--muted);font-size:.93rem}
.footer-grid a:hover{color:var(--cyan)}
.footer-btns{display:flex;gap:10px;margin-top:6px}
.copyright{margin-top:42px;padding-top:22px;border-top:1px solid rgba(125,211,252,.1);text-align:center;color:var(--muted);font-size:.86rem}

/* ---------- Mobile sticky CTA bar ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:200;
  gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:rgba(5,11,28,.88);backdrop-filter:blur(16px);
  border-top:1px solid rgba(125,211,252,.18);
}
.sticky-cta a{
  flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 10px;border-radius:14px;font-weight:800;font-size:.98rem;color:#fff;
}
.sticky-cta .sc-call{background:linear-gradient(135deg,var(--orange),#ff8a3d);box-shadow:var(--glow-orange)}
.sticky-cta .sc-wa{background:linear-gradient(135deg,#16a34a,#25d366)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-slider{transform:none}
  .cards-grid,.cards-grid.three{grid-template-columns:repeat(2,1fr)}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-desktop{display:none}
  .menu-toggle{display:grid;place-items:center}
  .nav-mobile{
    display:none;flex-direction:column;gap:4px;
    padding:14px 4% 18px;background:rgba(5,11,28,.96);backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(125,211,252,.14);
  }
  .nav-mobile.open{display:flex}
  .nav-mobile a{padding:13px 14px;border-radius:12px;font-weight:700;color:var(--muted)}
  .nav-mobile a.active,.nav-mobile a:hover{background:var(--glass);color:var(--white)}
  .nav-mobile .btn{margin-top:8px}
  section{padding:56px 0}
  .sticky-cta{display:flex}
  body{padding-bottom:0}
}
@media (max-width:620px){
  .cards-grid,.cards-grid.two{grid-template-columns:1fr}
  .svc-detail{grid-template-columns:1fr}
  .svc-detail .svc-img{aspect-ratio:16/10}
  .hero{padding-top:40px}
  .hero-cta .btn{flex:1;min-width:150px}
  .footer-grid{grid-template-columns:1fr}
  .timeline::before{left:23px}
  .t-step{padding-left:72px}
  .t-num{width:48px;height:48px}
}

/* ---------- Accessibility ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}