/* KA Roof & Steel Services — mock-up stylesheet
   Palette sampled from the client's own advertising posters. */

:root{
  --ink:#0B0B0C;
  --panel:#141417;
  --panel-2:#1B1B20;
  --line:#2C2C33;
  --gold:#F7B500;
  --gold-lite:#FFD24A;
  --gold-deep:#B98404;
  --white:#FFFFFF;
  --muted:#9AA0A8;
  --steel:#C9CDD3;
  --paper:#F4F5F7;
  --red:#D92B2B;
  --green:#25D366;
  --wrap:1200px;
  --radius:4px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --display:'Barlow Condensed',Impact,'Haettenschweiler','Arial Narrow',sans-serif;
  --body:'Barlow','Helvetica Neue',Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--ink);
  color:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{width:min(var(--wrap),calc(100% - 40px));margin-inline:auto}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.02;letter-spacing:.005em;text-transform:uppercase}
h1{font-size:clamp(2.6rem,6.2vw,4.9rem)}
h2{font-size:clamp(2rem,4.2vw,3.2rem)}
h3{font-size:clamp(1.3rem,2.2vw,1.7rem)}
p{color:var(--steel)}

.eyebrow{
  font-family:var(--display);font-size:.95rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:14px;
}
.lede{font-size:1.12rem;color:var(--steel);max-width:62ch}
.gold{color:var(--gold)}
.rule{width:62px;height:4px;background:var(--gold);margin:18px 0 26px}
.center{text-align:center}
.center .rule{margin-inline:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--display);font-weight:700;font-size:1.05rem;
  letter-spacing:.12em;text-transform:uppercase;
  padding:15px 30px;border:2px solid transparent;border-radius:var(--radius);
  transition:.2s ease;cursor:pointer;white-space:nowrap;
}
.btn-gold{background:var(--gold);color:#12100A}
.btn-gold:hover{background:var(--gold-lite);transform:translateY(-2px)}
.btn-ghost{border-color:#41414A;color:var(--white)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-wa{background:var(--green);color:#06301A}
.btn-wa:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:.92rem}

/* ---------- header ---------- */
.topbar{
  background:var(--panel-2);border-bottom:1px solid var(--line);
  font-size:.86rem;color:var(--muted);
}
.topbar .wrap{display:flex;gap:26px;align-items:center;justify-content:flex-end;height:42px}
.topbar a:hover{color:var(--gold)}
.topbar .sep{color:#3A3A42}

header.site{
  position:sticky;top:0;z-index:70;background:rgba(11,11,12,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.25s;
}
header.site.scrolled{box-shadow:0 10px 34px rgba(0,0,0,.6)}
.nav{display:flex;align-items:center;justify-content:space-between;height:88px;gap:26px}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:54px;width:auto;display:block}
footer .brand img{height:76px;margin-bottom:6px}
@media(max-width:1100px){.brand img{height:46px}}

.menu{display:flex;align-items:center;gap:26px}
.menu a{
  font-family:var(--display);font-size:1.02rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:#D8DBDF;padding:6px 0;position:relative;
}
.menu a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:.22s}
.menu a:hover,.menu a[aria-current="page"]{color:var(--white)}
.menu a:hover::after,.menu a[aria-current="page"]::after{width:100%}

.burger{display:none;background:none;border:0;color:var(--white);padding:8px}
.burger svg{width:26px;height:26px}

@media(max-width:1000px){
  .topbar{display:none}
  .burger{display:block}
  .menu{
    position:fixed;inset:88px 0 auto 0;background:var(--panel);flex-direction:column;
    align-items:stretch;gap:0;padding:10px 20px 24px;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:.3s cubic-bezier(.2,.8,.2,1);max-height:calc(100vh - 88px);overflow:auto;
  }
  .menu.open{transform:translateY(0)}
  .menu a{padding:15px 0;border-bottom:1px solid var(--line);font-size:1.15rem}
  .menu .btn{margin-top:16px;justify-content:center}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,var(--ink) 18%,rgba(11,11,12,.86) 46%,rgba(11,11,12,.35) 100%);
}
.hero-inner{position:relative;padding:118px 0 104px;max-width:760px}
.hero h1{margin-bottom:22px}
.hero h1 span{color:var(--gold);display:block}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero .note{margin-top:26px;font-size:.92rem;color:var(--muted)}

.page-head{
  position:relative;border-bottom:1px solid var(--line);
  background:linear-gradient(160deg,var(--panel),var(--ink));
  padding:74px 0 62px;
}
.page-head h1{font-size:clamp(2.3rem,5vw,3.9rem)}
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:16px;letter-spacing:.04em}
.crumbs a:hover{color:var(--gold)}

/* ---------- trust strip ---------- */
.strip{background:var(--gold);color:#12100A}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:22px 0}
.strip .item{display:flex;gap:12px;align-items:flex-start;padding:0 14px;border-left:2px solid rgba(0,0,0,.22)}
.strip .item:first-child{border-left:0}
.strip b{font-family:var(--display);font-size:1.18rem;letter-spacing:.06em;text-transform:uppercase;display:block;line-height:1.1}
.strip span{font-size:.85rem;font-weight:500;opacity:.78}
@media(max-width:860px){.strip .wrap{grid-template-columns:repeat(2,1fr);gap:18px 8px}}

/* ---------- sections ---------- */
section{padding:86px 0}
section.tight{padding:60px 0}
.sec-dark{background:var(--panel)}
.sec-line{border-top:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:46px}
.sec-head.center{margin-inline:auto}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.24s ease;
}
.card:hover{border-color:#43434E;transform:translateY(-4px)}
.card .thumb{aspect-ratio:16/10;background:#0F0F12;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .thumb img{transform:scale(1.04)}
.card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{font-size:1.32rem}
.card p{font-size:.95rem;flex:1}
.card .more{
  font-family:var(--display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);font-size:.92rem;display:inline-flex;align-items:center;gap:8px;
}
.card:hover .more{gap:13px}

.tag{
  display:inline-block;font-family:var(--display);font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;font-weight:700;padding:5px 11px;border-radius:2px;
  background:rgba(247,181,0,.13);color:var(--gold);border:1px solid rgba(247,181,0,.32);
}
.tag.red{background:rgba(217,43,43,.14);color:#FF6B6B;border-color:rgba(217,43,43,.34)}

/* ---------- feature rows ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .media{order:2}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}.split.rev .media{order:0}}
.media img{border-radius:var(--radius);border:1px solid var(--line)}

.ticks{list-style:none;display:grid;gap:13px;margin-top:22px}
.ticks li{display:flex;gap:12px;align-items:flex-start;color:var(--steel)}
.ticks li::before{
  content:"";flex-shrink:0;width:19px;height:19px;margin-top:4px;border-radius:2px;
  background:var(--gold);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/contain no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/contain no-repeat;
}

/* ---------- steps ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:34px 26px;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius)}
.step::before{
  counter-increment:s;content:"0" counter(s);
  font-family:var(--display);font-size:3.4rem;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:2px rgba(247,181,0,.42);display:block;margin-bottom:14px;
}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2)}
table{width:100%;border-collapse:collapse;min-width:520px}
caption{text-align:left;padding:18px 20px 0;font-family:var(--display);font-size:1.22rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gold)}
th,td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:.97rem}
th{
  font-family:var(--display);font-size:.95rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--white);background:#212128;font-weight:700;
}
td{color:var(--steel)}
td.price{font-family:var(--display);font-size:1.22rem;font-weight:700;color:var(--gold);letter-spacing:.02em}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:rgba(247,181,0,.045)}

/* ---------- price cards ---------- */
.price-card{
  background:linear-gradient(150deg,var(--panel-2),#101014);
  border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative;overflow:hidden;
}
.price-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--gold)}
.price-card .amt{font-family:var(--display);font-size:3.5rem;font-weight:800;color:var(--gold);line-height:1;letter-spacing:-.01em}
.price-card .unit{font-family:var(--display);font-size:1.05rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:6px}

/* ---------- CTA band ---------- */
.band{
  background:linear-gradient(120deg,var(--gold-deep),var(--gold));color:#12100A;
  padding:62px 0;text-align:center;
}
.band h2{color:#12100A}
.band p{color:rgba(0,0,0,.72);max-width:60ch;margin:14px auto 0;font-weight:500}
.band .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.band .btn-dark{background:var(--ink);color:var(--white)}
.band .btn-dark:hover{background:#000;transform:translateY(-2px)}
.band .btn-outline{border-color:rgba(0,0,0,.4);color:#12100A}
.band .btn-outline:hover{border-color:#12100A;background:rgba(0,0,0,.07)}

/* ---------- forms ---------- */
.form{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--display);font-size:.92rem;letter-spacing:.12em;text-transform:uppercase;color:var(--white);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;background:#0E0E11;border:1px solid var(--line);border-radius:3px;
  padding:13px 15px;color:var(--white);font-family:var(--body);font-size:1rem;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(247,181,0,.12)}
.field textarea{min-height:130px;resize:vertical}
.field .hint{font-size:.83rem;color:var(--muted);margin-top:7px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){.f2{grid-template-columns:1fr}}

/* ---------- misc blocks ---------- */
.note-box{
  border-left:3px solid var(--gold);background:rgba(247,181,0,.06);
  padding:18px 22px;border-radius:0 var(--radius) var(--radius) 0;
}
.note-box.warn{border-left-color:var(--red);background:rgba(217,43,43,.08)}
.note-box p{color:#D6DADF;font-size:.95rem}
.note-box strong{color:var(--white)}

.stat{padding:26px;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius)}
.stat b{font-family:var(--display);font-size:2.6rem;color:var(--gold);display:block;line-height:1}
.stat span{font-size:.92rem;color:var(--muted)}

.contact-line{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-line:last-child{border-bottom:0}
.contact-line .ic{
  width:40px;height:40px;flex-shrink:0;border-radius:3px;display:grid;place-items:center;
  background:rgba(247,181,0,.12);border:1px solid rgba(247,181,0,.3);color:var(--gold);font-size:1.1rem;
}
.contact-line b{font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;font-size:.95rem;display:block;margin-bottom:2px}
.contact-line a,.contact-line span{color:var(--steel);font-size:1rem}
.contact-line a:hover{color:var(--gold)}

/* ---------- FAQ ---------- */
details.faq{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2);margin-bottom:12px}
details.faq summary{
  cursor:pointer;padding:19px 22px;font-family:var(--display);font-size:1.18rem;
  letter-spacing:.04em;text-transform:uppercase;list-style:none;display:flex;justify-content:space-between;gap:16px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--gold);font-size:1.5rem;line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq .ans{padding:0 22px 20px}

/* ---------- footer ---------- */
footer.site{background:#070708;border-top:1px solid var(--line);padding:64px 0 0}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
@media(max-width:900px){.fgrid{grid-template-columns:1fr 1fr;gap:34px}}
@media(max-width:560px){.fgrid{grid-template-columns:1fr}}
footer h4{font-size:1.05rem;letter-spacing:.16em;margin-bottom:18px;color:var(--white)}
footer ul{list-style:none;display:grid;gap:11px}
footer a{color:var(--muted);font-size:.95rem}
footer a:hover{color:var(--gold)}
footer p{font-size:.94rem}
.fbar{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.87rem;color:#6E737B}

/* ---------- floating WhatsApp ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;
  background:var(--green);display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.4);
  transition:.22s;
}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:31px;height:31px;fill:#fff}

/* ---------- mock-up banner ---------- */
.mockbar{
  background:repeating-linear-gradient(45deg,#1A1A1E,#1A1A1E 14px,#141418 14px,#141418 28px);
  border-bottom:1px solid var(--line);color:var(--muted);font-size:.82rem;padding:9px 0;text-align:center;
}
.mockbar b{color:var(--gold);font-family:var(--display);letter-spacing:.14em;text-transform:uppercase}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}