:root{--terra:#B23F27;--terra-d:#9A3420;--navy:#17303F;--cream:#F7F8F8;--sand:#ECEFF1;--line:#DCE2E6;--text:#1E2A31;--muted:#4F5F69;--wa:#0F7A40;--wa-bright:#25D366}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:'Cairo',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:18px;line-height:1.8;color:var(--text);background:var(--cream)}
img{max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
h1,h2,h3{line-height:1.35;margin:0 0 .5em;color:var(--navy);font-weight:800}
h1{font-size:clamp(28px,5vw,46px)}
h2{font-size:clamp(24px,3.6vw,34px)}
h3{font-size:21px}
p{margin:0 0 1em}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;padding-top:8px;padding-bottom:8px}
.logo img{display:block;height:46px;width:auto}
.nav{display:none;gap:4px;font-weight:700;font-size:17px}
.nav a{padding:10px 12px;text-decoration:none;border-radius:8px}
.nav a:hover{background:var(--sand)}
.hdr-act{display:flex;align-items:center;gap:10px}
.lang{padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-weight:700;font-size:15px;color:var(--navy)}
@media(min-width:900px){.nav{display:flex}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:12px 26px;border-radius:999px;font-weight:800;font-size:19px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,.lang:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #F2A900;outline-offset:3px}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 6px 18px rgba(15,122,64,.35)}
.btn-wa:hover{background:#0b6a36}
.btn-call{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-light{background:transparent;color:#fff;border-color:#fff}
.btn-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{min-height:44px;padding:8px 18px;font-size:16px}
.btn-sm svg{width:22px;height:22px}
.btn-lg{min-height:64px;padding:14px 34px;font-size:22px}
.pulse{animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.65)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}
@media(prefers-reduced-motion:reduce){.pulse{animation:none}html{scroll-behavior:auto}}
/* hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:64px 0 56px}
.hero-bg{position:absolute;left:0;right:0;top:-120px;bottom:-120px;z-index:0}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:center;will-change:transform}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,48,63,.87),rgba(23,48,63,.74) 45%,rgba(14,27,36,.9))}
.hero-in{position:relative;z-index:1}
.hero h1{color:#fff;max-width:860px}
.lead{font-size:clamp(18px,2.4vw,23px);max-width:720px;color:#E9EEF1}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0}
.trust{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 26px;font-weight:700;font-size:17px}
.trust li::before{content:"\2713";color:#7BE3A4;margin-inline-end:8px}
.page-hero{background:var(--sand);padding:44px 0 36px;border-bottom:1px solid var(--line)}
.page-hero .lead{color:var(--muted)}
.crumb{font-size:15px;color:var(--muted);margin-bottom:10px}
.crumb a{text-decoration:none;color:var(--terra-d);font-weight:700}
/* sections */
.sec{padding:60px 0}
.sec.alt{background:var(--sand)}
.sub{color:var(--muted);max-width:760px;font-size:19px}
.body{font-size:19px}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:28px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 2px 10px rgba(23,48,63,.05)}
.svc{display:flex;flex-direction:column;gap:6px}
.svc h3{margin:6px 0 0}
.svc h3 a{text-decoration:none}
.svc p{color:var(--muted);font-size:17px;line-height:1.7;margin:0}
.svc-ico,.ico{color:var(--terra)}
.svc-ico{width:56px;height:56px;border-radius:14px;background:var(--sand);display:flex;align-items:center;justify-content:center}
.svc-links{margin-top:auto;padding-top:10px;display:flex;flex-direction:column;gap:2px}
.more{color:var(--terra-d);font-weight:700;text-decoration:none;padding:6px 0}
.ask{color:var(--wa);font-weight:800;padding:6px 0}
.svc-mini{display:flex;align-items:center;gap:14px;text-decoration:none;font-weight:800;color:var(--navy)}
.band{background:#fff;border-block:1px solid var(--line);padding:26px 0;text-align:center}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
.gallery figure{margin:0}
.ph{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:14px;display:block;background:var(--line)}
.ph.tall{aspect-ratio:4/3}
.ph-fallback{display:flex;align-items:flex-end;background:repeating-linear-gradient(90deg,#C4573C 0 44px,#B23F27 44px 48px)}
.ph-fallback span{background:rgba(23,48,63,.85);color:#fff;font-size:14px;padding:6px 12px;width:100%;border-radius:0 0 16px 16px}
.steps{list-style:none;padding:0;margin:26px 0;display:grid;gap:18px}
.steps li{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.steps h3{margin:0 0 4px}
.steps p{margin:0;color:var(--muted)}
.num{flex:none;width:46px;height:46px;border-radius:50%;background:var(--terra);color:#fff;font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center}
.note{background:#fff;border-inline-start:5px solid var(--terra);padding:16px 20px;border-radius:10px;color:var(--muted)}
.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 22px;font-weight:700;color:var(--navy)}
details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 20px}
summary{cursor:pointer;font-weight:800;padding:16px 0;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:26px;color:var(--terra);line-height:1}
details[open] summary::after{content:"\2212"}
details p{color:var(--muted);padding-bottom:6px}
.two{display:grid;grid-template-columns:1fr;gap:30px;align-items:start}
@media(min-width:860px){.two{grid-template-columns:1fr 1fr}}
.check{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.check li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px 14px 18px;position:relative;padding-inline-start:48px}
.check li::before{content:"\2713";position:absolute;inset-inline-start:16px;top:12px;color:var(--wa);font-weight:800}
/* cta */
.cta{background:var(--navy);color:#fff;padding:56px 0;text-align:center}
.cta h2{color:#fff}
.cta p{color:#DCE5EC}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:22px 0 8px}
.phone{font-size:26px;font-weight:800;color:#fff!important;letter-spacing:.5px}
/* footer */
.ftr{background:var(--sand);padding:36px 0 96px;border-top:1px solid var(--line);font-size:16px;color:var(--muted)}
.ftr-in{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
.ftr img{height:44px;width:auto;display:block;margin-bottom:8px}
.ftr p{margin:0 0 6px}
.ftr a{text-decoration:none;font-weight:700;color:var(--navy)}
/* floating whatsapp */
.wa-float{position:fixed;inset-inline-end:16px;bottom:16px;z-index:60;width:62px;height:62px;border-radius:50%;background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.3);animation:pulse 2.4s infinite}
.wa-float svg{width:32px;height:32px}
@media(min-width:900px){.wa-float{width:66px;height:66px}.ftr{padding-bottom:36px}}
@media(max-width:600px){.btn-lg{width:100%}.hero-btns{flex-direction:column}.cta-btns .btn{width:100%}.hdr-act .btn-sm span{display:none}.hdr-act .btn-sm{padding:8px 12px}.logo img{height:40px}}
.ph-nat{width:100%;height:auto;border-radius:16px;display:block;margin-bottom:16px;background:var(--line)}
@media(min-width:700px){.gallery{grid-template-columns:repeat(3,1fr);gap:16px}}
/* ===== v5 cinematic ===== */
html,body{overflow-x:clip}
/* hero: slow zoom on load (wrapper) + parallax (img, via JS) */
html.js .hero-bg{animation:hz 1.8s cubic-bezier(.2,.6,.2,1) both}
@keyframes hz{from{transform:scale(1.08)}to{transform:scale(1)}}
/* hero text: word-by-word reveal + fade-up blocks */
.hero h1 .w{display:inline-block}
html.js .hero h1 .w{opacity:0;transform:translateY(.55em);animation:fup .6s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(.12s + var(--i,0)*80ms)}
html.js .fu{opacity:0;animation:fup .7s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:var(--d,.5s)}
@keyframes fup{to{opacity:1;transform:none}}
/* reveal on scroll */
html.js .rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0)*90ms)}
html.js .rv.in{opacity:1;transform:none}
/* gallery: slight zoom reveal + tappable */
.gbtn{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in;border-radius:14px;overflow:hidden;line-height:0}
.gbtn .ph{border-radius:0}
html.js .gallery .rv .ph{transform:scale(1.08);transition:transform .9s cubic-bezier(.2,.6,.2,1)}
html.js .gallery .rv.in .ph{transform:scale(1)}
.gbtn:focus-visible{outline:3px solid #F2A900;outline-offset:3px}
/* steps: connecting line drawn in order */
.steps{position:relative}
.steps li{position:relative;z-index:0}
.num{position:relative;z-index:2}
html.js .steps::before{content:"";position:absolute;inset-inline-start:42px;top:40px;bottom:40px;width:2px;background:rgba(178,63,39,.35);transform:scaleY(0);transform-origin:top;transition:transform 1.2s ease .35s;z-index:1}
html.js .steps.on::before{transform:scaleY(1)}
/* header shrink */
.hdr{transition:box-shadow .25s}
.hdr-in{transition:min-height .25s}
.logo img{transition:height .25s}
.hdr.scrolled{box-shadow:0 2px 16px rgba(23,48,63,.14)}
.hdr.scrolled .hdr-in{min-height:54px}
.hdr.scrolled .logo img{height:36px}
/* roof-line section dividers + subtle dark gradient */
.sec.alt,.cta{position:relative}
.sec.alt::before,.cta::before,.hero::after{content:"";position:absolute;left:0;right:0;height:14px;background-repeat:repeat-x;background-size:56px 14px;pointer-events:none}
.sec.alt::before{top:-1px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='14'%3E%3Cpath d='M0 0h56v2L42 14 28 2 14 14 0 2z' fill='%23F7F8F8'/%3E%3C/svg%3E")}
.cta::before{top:-1px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='14'%3E%3Cpath d='M0 0h56v2L42 14 28 2 14 14 0 2z' fill='%23ECEFF1'/%3E%3C/svg%3E");z-index:1}
.hero::after{bottom:-1px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='14'%3E%3Cpath d='M0 14h56v-2L42 0 28 12 14 0 0 12z' fill='%23F7F8F8'/%3E%3C/svg%3E");z-index:2}
.cta{background:linear-gradient(180deg,#1C3B4E,var(--navy) 55%,#10212C)}
/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(9,18,24,.94);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:94vw;max-height:84vh;border-radius:10px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.lb button{position:absolute;width:52px;height:52px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb button:hover{background:rgba(255,255,255,.26)}
.lb-x{top:14px;right:14px}
.lb-p{left:10px;top:50%;margin-top:-26px}
.lb-n{right:10px;top:50%;margin-top:-26px}
/* reduced motion: everything visible, nothing moves */
@media(prefers-reduced-motion:reduce){
html.js .rv,html.js .hero h1 .w,html.js .fu{opacity:1;transform:none;transition:none;animation:none}
html.js .hero-bg{animation:none}
html.js .steps::before{transform:scaleY(1);transition:none}
.hero-img{transform:none!important}
}