/* ============================================================
   Alum-Struct — premium outdoor-living / aluminium
   Light, architectural, photo-forward. Syne + Manrope. Warm gold accent.
   ============================================================ */
:root{
  --ink:#13130f;
  --ink-2:#2a2a24;
  --paper:#ffffff;
  --sand:#f5f2ec;
  --sand-2:#ece7dd;
  --gold:#b8893f;
  --gold-2:#cda059;
  --line:rgba(19,19,15,.12);
  --muted:#6a675e;
  --dark:#16170f;
  --radius:14px;
  --maxw:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 30px 70px -32px rgba(19,19,15,.4);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Manrope',sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Syne',sans-serif;font-weight:700;line-height:1.05;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.kick{display:inline-block;font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;font-weight:700;color:var(--gold);margin-bottom:16px}
.kick--d{color:var(--gold-2)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:15px 30px;border-radius:100px;font-weight:600;font-size:.98rem;cursor:pointer;border:none;transition:transform .3s var(--ease),box-shadow .3s,background .3s;font-family:'Manrope'}
.btn--gold{background:var(--gold);color:#fff;box-shadow:0 14px 32px -14px rgba(184,137,63,.8)}
.btn--gold:hover{transform:translateY(-3px);background:var(--gold-2)}
.btn--line{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn--line:hover{background:rgba(255,255,255,.12)}
.btn--full{width:100%}

/* topbar */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:.82rem}
.topbar__in{max-width:var(--maxw);margin:0 auto;padding:9px 26px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.topbar a{color:rgba(255,255,255,.82)}.topbar a:hover{color:#fff}
.topbar__right{display:flex;align-items:center;gap:12px}
.topbar__sep{opacity:.4}
.lang{display:inline-flex;gap:4px;margin-left:8px}
.lang__btn{background:transparent;border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.8);border-radius:6px;padding:3px 9px;font-size:.78rem;cursor:pointer;font-family:'Manrope';font-weight:600;transition:all .2s}
.lang__btn--on,.lang__btn:hover{background:var(--gold);border-color:var(--gold);color:#fff}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav__in{max-width:var(--maxw);margin:0 auto;padding:16px 26px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:'Syne';font-weight:800;font-size:1.5rem;letter-spacing:.04em;color:var(--ink)}
.brand__a{color:var(--gold)}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{font-weight:600;font-size:.95rem;color:var(--ink-2);transition:color .2s}
.nav__links a:hover{color:var(--gold)}
.nav__cta{background:var(--ink);color:#fff!important;padding:11px 22px;border-radius:100px}
.nav__cta:hover{background:var(--gold)!important}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff}
.hero__media{position:absolute;inset:0;overflow:hidden}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 38%;animation:zoom 14s ease-out forwards}
@keyframes zoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,15,12,.82),rgba(15,15,12,.45) 55%,rgba(15,15,12,.2))}
.hero__in{position:relative;max-width:var(--maxw);margin:0 auto;padding:60px 26px;width:100%}
.hero__tag{font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-2);margin-bottom:20px;opacity:0;animation:up .8s var(--ease) .1s forwards}
.hero__h{font-size:clamp(2.6rem,6vw,5.4rem);max-width:16ch;opacity:0;animation:up .9s var(--ease) .25s forwards}
.hero__p{font-size:clamp(1.05rem,1.5vw,1.25rem);max-width:50ch;margin:22px 0 34px;color:rgba(255,255,255,.9);opacity:0;animation:up .9s var(--ease) .4s forwards}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;opacity:0;animation:up .9s var(--ease) .55s forwards}
.hero__stats{display:flex;gap:42px;margin-top:54px;flex-wrap:wrap;opacity:0;animation:up .9s var(--ease) .7s forwards}
.hero__stats b{font-family:'Syne';font-size:1.7rem;color:var(--gold-2);display:block;line-height:1}
.hero__stats span{font-size:.85rem;color:rgba(255,255,255,.75)}
@keyframes up{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

/* strip */
.strip{background:var(--dark);color:rgba(255,255,255,.6);overflow:hidden}
.strip__in{max-width:var(--maxw);margin:0 auto;padding:16px 26px;font-size:.85rem;letter-spacing:.06em;text-align:center}

/* sections */
.sec{max-width:var(--maxw);margin:0 auto;padding:100px 26px}
.sec--soft{background:var(--sand);max-width:none;padding-left:max(26px,calc((100vw - var(--maxw))/2));padding-right:max(26px,calc((100vw - var(--maxw))/2))}
.sec--dark{background:var(--dark);color:#fff;max-width:none;padding-left:max(26px,calc((100vw - var(--maxw))/2));padding-right:max(26px,calc((100vw - var(--maxw))/2))}
.sec--dark .sec__head p{color:rgba(255,255,255,.7)}
.sec__head{max-width:640px;margin-bottom:50px}
.sec__head--c{margin-left:auto;margin-right:auto;text-align:center}
.sec__head h2{font-size:clamp(2rem,3.6vw,3rem);margin-bottom:14px}
.sec__head p{font-size:1.08rem;color:var(--muted)}

/* products grid */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:230px;gap:18px}
.pcard{position:relative;border-radius:var(--radius);overflow:hidden;display:flex;align-items:flex-end}
.pcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.pcard--big{grid-column:span 2;grid-row:span 2}
.pcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,15,12,.85))}
.pcard:hover img{transform:scale(1.06)}
.pcard__txt{position:relative;z-index:1;padding:24px;color:#fff}
.pcard__txt h3{font-size:1.3rem;margin-bottom:5px}
.pcard--big .pcard__txt h3{font-size:1.9rem}
.pcard__txt p{font-size:.92rem;color:rgba(255,255,255,.85)}

/* feature split */
.feature{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;background:var(--sand)}
.feature__img{overflow:hidden;min-height:520px}
.feature__img img{width:100%;height:100%;object-fit:cover}
.feature__txt{padding:90px 60px;display:flex;flex-direction:column;justify-content:center}
.feature__txt h2{font-size:clamp(1.8rem,3vw,2.7rem);margin-bottom:26px}
.ticks{list-style:none;margin-bottom:30px}
.ticks li{padding:13px 0 13px 34px;position:relative;border-bottom:1px solid var(--line);font-size:1.02rem}
.ticks li::before{content:"";position:absolute;left:0;top:18px;width:18px;height:10px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg)}

/* gallery */
.gallery{columns:4;column-gap:16px}
.gitem{break-inside:avoid;margin-bottom:16px;border-radius:var(--radius);overflow:hidden;cursor:pointer;position:relative}
.gitem img{width:100%;transition:transform .6s var(--ease),filter .4s}
.gitem:hover img{transform:scale(1.05)}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why__c{padding:32px 26px;background:var(--sand);border-radius:var(--radius);transition:transform .3s var(--ease)}
.why__c:hover{transform:translateY(-6px)}
.why__n{font-family:'Syne';font-size:2.4rem;font-weight:800;color:var(--gold);opacity:.5;display:block;margin-bottom:12px}
.why__c h3{font-size:1.2rem;margin-bottom:8px}
.why__c p{font-size:.95rem;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stp{padding:30px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative}
.stp span{font-family:'Syne';font-weight:800;font-size:1rem;color:#fff;background:var(--gold);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.stp h3{font-size:1.18rem;margin-bottom:7px}
.stp p{font-size:.93rem;color:var(--muted)}

/* cta */
.cta{background:linear-gradient(120deg,var(--dark),#23241a);color:#fff}
.cta__in{max-width:var(--maxw);margin:0 auto;padding:90px 26px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta__left h2{font-size:clamp(1.9rem,3vw,2.8rem);margin-bottom:16px}
.cta__left p{color:rgba(255,255,255,.82);margin-bottom:28px;font-size:1.05rem}
.cta__lines{display:flex;flex-direction:column;gap:11px}
.cline{display:flex;align-items:center;gap:10px;padding:15px 22px;border-radius:12px;font-weight:600;transition:transform .25s}
.cline:hover{transform:translateX(6px)}
.cline--wa{background:#25d366;color:#062b16}
.cline--wa2{background:#1eb456;color:#062b16}
.cline--mail{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff}
.cta__form{background:#fff;border-radius:20px;padding:34px;box-shadow:var(--shadow);color:var(--ink)}
.fld{margin-bottom:15px}
.fld label{display:block;font-size:.84rem;font-weight:600;margin-bottom:6px}
.fld input,.fld select,.fld textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;background:#fff;transition:border .2s;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--gold)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.fstatus{margin-top:12px;text-align:center;font-weight:600;border-radius:10px;transition:.3s}
.fstatus.ok{padding:13px;background:#e3f3e8;color:#1a6b3a}
.fstatus.err{padding:13px;background:#fbe4e4;color:#a32626}

/* footer */
.foot{background:var(--ink);color:rgba(255,255,255,.72)}
.foot__in{max-width:var(--maxw);margin:0 auto;padding:64px 26px 36px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.brand--f{color:#fff;font-size:1.5rem;margin-bottom:14px}
.foot__in p{font-size:.92rem;max-width:38ch}
.foot__col h4{font-family:'Manrope';font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);margin-bottom:14px}
.foot__col a{display:block;font-size:.94rem;padding:5px 0;color:rgba(255,255,255,.7)}
.foot__col a:hover{color:#fff}
.foot__bar{max-width:var(--maxw);margin:0 auto;padding:20px 26px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;font-size:.82rem;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:8px}

/* fab */
.fab{position:fixed;bottom:22px;right:22px;z-index:90;width:60px;height:60px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px -8px rgba(37,211,102,.6);animation:pulse 2.4s infinite}
.fab:hover{transform:scale(1.08)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1000px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .gallery{columns:2}
  .why{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr}.feature__img{min-height:340px}.feature__txt{padding:60px 30px}
  .cta__in{grid-template-columns:1fr;gap:36px}
  .foot__in{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav__links{position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;background:#fff;flex-direction:column;align-items:flex-start;padding:90px 28px;gap:22px;transform:translateX(110%);transition:transform .4s var(--ease);box-shadow:var(--shadow)}
  .nav__links.open{transform:translateX(0)}
  .burger{display:flex}
  .pgrid{grid-template-columns:1fr;grid-auto-rows:200px}.pcard--big{grid-column:span 1;grid-row:span 1}
  .gallery{columns:1}
  .why,.steps{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr}
  .topbar__item{display:none}
  .sec{padding:64px 20px}
}