/* ============================================================
   A&B Smart Home Solutions — site stylesheet
   Concept: a home, lit and looked-after, at dusk.
   Palette: night blues + one warm amber accent (lit windows).
   ============================================================ */

:root{
  --night:#0D1321;          /* page ground */
  --night-2:#111A2B;        /* alternating section */
  --panel:#16202F;          /* cards */
  --panel-2:#1B2638;        /* hover / raised */
  --line:#26334A;
  --text:#EDE9E0;           /* warm off-white */
  --muted:#A8B2C2;
  --amber:#E8A04C;          /* lit-window accent */
  --amber-deep:#C07E28;
  --amber-soft:rgba(232,160,76,.12);
  --green:#7FBF98;          /* ratings / success only */
  --shadow:0 10px 30px rgba(4,8,16,.45);
  --r:12px;
  --display:"Bricolage Grotesque",Georgia,serif;
  --body:"Public Sans","Segoe UI",-apple-system,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--night);color:var(--text);
  font-family:var(--body);font-size:16.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--amber);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;
}
[id]{scroll-margin-top:96px}
.shell{max-width:1100px;margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);color:#1A1408;padding:8px 14px;border-radius:6px;z-index:99;font-weight:700}
.skip:focus{left:8px}

/* ---------- typography ---------- */
h1,h2,h3{font-family:var(--display);line-height:1.12;text-wrap:balance;margin:0 0 .45em;font-weight:600}
h1{font-size:clamp(34px,5.6vw,58px);letter-spacing:-.01em}
h2{font-size:clamp(26px,3.6vw,38px)}
h3{font-size:20px}
p{margin:.5em 0 1em;max-width:64ch}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted)}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);margin-bottom:14px;
}
.center{text-align:center}
.center p{margin-left:auto;margin-right:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-weight:700;font-family:var(--body);font-size:16px;
  padding:13px 26px;border-radius:10px;border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.btn-amber,nav.main a.btn-amber{background:var(--amber);color:#1A1408}
.btn.btn-amber:hover{background:#F0AF63;color:#1A1408}
.btn.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-lg{padding:16px 32px;font-size:17px}
@media (prefers-reduced-motion:reduce){.btn{transition:none}.btn:hover{transform:none}}

/* ---------- header ---------- */
.top{
  position:sticky;top:0;z-index:50;
  background:rgba(13,19,33,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.top-in{display:flex;align-items:center;gap:26px;padding:14px 0}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-family:var(--display);font-weight:700;font-size:19px;line-height:1.1}
.brand:hover{text-decoration:none}
.brand .mark{flex:none}
.brand small{display:block;font-family:var(--body);font-weight:600;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}
nav.main{margin-left:auto;display:flex;align-items:center;gap:24px}
nav.main a{color:var(--muted);font-weight:600;font-size:15px}
nav.main a:hover,nav.main a[aria-current]{color:var(--text);text-decoration:none}
nav.main a[aria-current]{color:var(--amber)}
.top-call{display:flex;align-items:center;gap:12px}
.top-phone{color:var(--text);font-weight:700;white-space:nowrap}
.top-phone:hover{color:var(--amber);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 12px;font-size:15px;cursor:pointer}

@media (max-width:900px){
  .nav-toggle{display:block;margin-left:auto}
  nav.main{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--night-2);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 18px;
  }
  nav.main.open{display:flex}
  nav.main a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px}
  nav.main .btn{margin-top:14px;text-align:center}
  .top-call .top-phone{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#0A0F1B 0%,#0D1321 55%,#131C2E 100%)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:72px 0 64px}
.hero .lead{max-width:52ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 10px}
.hero-note{font-size:14px;color:var(--muted)}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 18px 40px rgba(0,0,0,.5))}
.win{fill:#F5B95E;opacity:.92}
@media (prefers-reduced-motion:no-preference){
  .win{animation:winglow 5.5s ease-in-out infinite}
  .win:nth-of-type(2n){animation-delay:1.6s}
  .win:nth-of-type(3n){animation-delay:3.1s}
  @keyframes winglow{0%,100%{opacity:.92}50%{opacity:.55}}
}
@media (max-width:900px){
  .hero-in{grid-template-columns:1fr;padding:48px 0 40px;gap:30px}
  .hero-art{max-width:420px}
}

/* ---------- trust bar ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--night-2)}
.trust-in{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 34px;padding:15px 0;font-size:14.5px;font-weight:600;color:var(--muted)}
.trust-in span{display:flex;align-items:center;gap:8px;white-space:nowrap}
.trust-in .dot{color:var(--amber)}
.trust-in .stars{color:var(--green)}

/* ---------- sections ---------- */
section.band{padding:76px 0}
section.band.alt{background:var(--night-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-head{max-width:720px;margin-bottom:42px}
.band-head.center{margin-left:auto;margin-right:auto}

/* ---------- service grid ---------- */
.grid{display:grid;gap:18px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid.c3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid.c3,.grid.c2{grid-template-columns:1fr}}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px;display:flex;flex-direction:column;gap:6px;
  transition:border-color .15s ease,background .15s ease;
}
a.card{color:var(--text)}
a.card:hover{text-decoration:none;border-color:var(--amber-deep);background:var(--panel-2)}
.card .ico{width:44px;height:44px;margin-bottom:12px;color:var(--amber)}
.card h3{margin:0 0 4px}
.card p{margin:0;color:var(--muted);font-size:15px;max-width:none}
.card .more{margin-top:auto;padding-top:14px;font-weight:700;font-size:14px;color:var(--amber)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px}
.step .n{font-family:var(--display);font-size:38px;font-weight:700;color:var(--amber);line-height:1;margin-bottom:12px}
.step h3{font-size:19px}
.step p{color:var(--muted);font-size:15px;margin:0;max-width:none}

/* ---------- pricing anchors ---------- */
.price-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.price-row{grid-template-columns:1fr}}
.price{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;display:flex;flex-direction:column}
.price h3{font-size:19px;min-height:2.4em}
.price .amt{font-family:var(--display);font-size:34px;font-weight:700;color:var(--amber);margin:6px 0 2px;font-variant-numeric:tabular-nums}
.price .amt small{font-size:15px;color:var(--muted);font-family:var(--body);font-weight:600}
.price ul{margin:14px 0 22px;padding:0;list-style:none;color:var(--muted);font-size:15px;display:flex;flex-direction:column;gap:8px}
.price li{padding-left:24px;position:relative}
.price li::before{content:"✓";position:absolute;left:2px;color:var(--amber);font-weight:700}
.price .btn{margin-top:auto;text-align:center}
.price-note{margin-top:20px;color:var(--muted);font-size:14.5px;max-width:none;text-align:center}

/* ---------- testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.quotes{grid-template-columns:1fr}}
.quote{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.quote .stars{color:var(--amber);letter-spacing:3px;font-size:15px}
.quote blockquote{margin:0;font-size:15.5px;color:var(--text)}
.quote figcaption{color:var(--muted);font-size:14px;margin-top:auto}
.gbadge{display:inline-flex;align-items:center;gap:10px;margin-top:26px;padding:10px 18px;border:1px solid var(--line);border-radius:99px;background:var(--panel);font-weight:700;font-size:15px}
.gbadge .stars{color:var(--amber);letter-spacing:2px}
.gbadge:hover{text-decoration:none;border-color:var(--amber-deep)}

/* ---------- brands ---------- */
.brands{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 14px;max-width:860px;margin:0 auto}
.brands span{
  border:1px solid var(--line);border-radius:99px;padding:8px 18px;
  color:var(--muted);font-weight:600;font-size:14.5px;background:var(--panel);white-space:nowrap;
}

/* ---------- service area ---------- */
.area{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media (max-width:820px){.area{grid-template-columns:1fr}}
.towns{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:18px 0 0;list-style:none}
.towns li{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 14px;font-size:14.5px;color:var(--muted);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,#1A2334 0%,#131C2E 60%),var(--night-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  text-align:center;padding:76px 0;
}
.cta-band h2{margin-bottom:10px}
.cta-band .lead{margin:0 auto 28px}
.cta-band .hero-ctas{justify-content:center}

/* ---------- footer ---------- */
footer{background:#0A0F1B;border-top:1px solid var(--line);padding:54px 0 34px;font-size:15px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
@media (max-width:860px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot{grid-template-columns:1fr}}
.foot h4{font-family:var(--display);font-size:16px;margin:0 0 14px;color:var(--text)}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot a{color:var(--muted)}
.foot a:hover{color:var(--amber)}
.foot p{color:var(--muted);font-size:14.5px;margin:.4em 0}
.legal{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;color:#77839A;font-size:13.5px}

/* ---------- interior page hero ---------- */
.page-hero{background:linear-gradient(180deg,#0A0F1B,#0D1321);border-bottom:1px solid var(--line);padding:58px 0 46px}
.page-hero .lead{max-width:58ch}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--amber)}

/* ---------- prose (service pages) ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.prose h2{font-size:26px;margin-top:1.6em}
.prose h2:first-child{margin-top:0}
.prose ul{color:var(--muted);padding-left:22px;display:flex;flex-direction:column;gap:8px}
.checklist{list-style:none;padding:0}
.checklist li{padding-left:28px;position:relative}
.checklist li::before{content:"✓";position:absolute;left:2px;color:var(--amber);font-weight:700}
.sidebox{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;position:sticky;top:96px}
.sidebox h3{font-size:19px}
.sidebox .btn{width:100%;text-align:center;margin-top:14px}
.sidebox p{font-size:14.5px;color:var(--muted);max-width:none}

/* ---------- photo placeholders ---------- */
.ph{
  position:relative;border-radius:var(--r);border:1px dashed #34435F;
  background:
    linear-gradient(160deg,rgba(232,160,76,.06),rgba(232,160,76,0) 55%),
    var(--panel);
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:10px;color:var(--muted);text-align:center;padding:18px;
}
.ph svg{width:42px;height:42px;color:var(--amber);opacity:.8}
.ph b{color:var(--text);font-size:15px;font-weight:600}
.ph small{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.gallery{grid-template-columns:1fr}}

/* ---------- real project photos ---------- */
.shot{position:relative;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:var(--panel)}
.shot img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:4/3}
.shot .tag{
  position:absolute;top:12px;left:12px;z-index:1;
  background:rgba(10,15,27,.82);border:1px solid var(--line);border-radius:99px;
  padding:4px 13px;font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
}
.shot .tag.after{color:#1A1408;background:var(--amber);border-color:var(--amber)}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:13.5px;color:var(--text);
  background:linear-gradient(180deg,transparent,rgba(10,15,27,.88) 55%);
}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:0}
@media (max-width:680px){.ba{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:0}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:16.5px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--display);font-size:24px;color:var(--amber);flex:none;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:15.5px}
.faq .a p{max-width:none}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.form{display:flex;flex-direction:column;gap:16px}
.form label{font-weight:700;font-size:14.5px;display:flex;flex-direction:column;gap:7px}
.form input,.form textarea,.form select{
  background:var(--night-2);border:1px solid var(--line);border-radius:8px;
  color:var(--text);font-family:var(--body);font-size:16px;padding:13px 14px;width:100%;
}
.form input::placeholder,.form textarea::placeholder{color:#6C7893}
.form textarea{min-height:130px;resize:vertical}
.form .req{color:var(--amber)}
.form button{align-self:flex-start}
.contact-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px 28px}
.contact-card h3{font-size:19px}
.contact-card .big{font-family:var(--display);font-size:28px;font-weight:700;color:var(--amber);display:inline-block;margin:4px 0 2px}
.contact-card p{font-size:15px;color:var(--muted);max-width:none}
.contact-card + .contact-card{margin-top:18px}

/* ---------- reveal on scroll (hidden state only when JS is present) ---------- */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}