/* =======================
   ISL Group — Designer UI
   ======================= */
:root{
  --bg:#0d1014;
  --surface:#13171c;
  --card:#0f1318;
  --ink:#e8edf2;
  --muted:#a8b0b8;
  --line:#1e252c;
  --accent:#e0ac26; /* from logo */
  --accent-2:#2b5cff; /* subtle blue for links if needed */
  --radius:16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --step--1: clamp(.9rem, .85rem + .2vw, 1rem);
  --step-0: clamp(1rem, .9rem + .6vw, 1.125rem);
  --step-1: clamp(1.25rem, 1.05rem + 1.2vw, 1.5rem);
  --step-2: clamp(1.6rem, 1.2rem + 1.6vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 2.2vw, 2.8rem);
  --step-4: clamp(2.6rem, 2rem + 3vw, 3.6rem);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--ink);
  background: radial-gradient(1200px 600px at 10% -10%, #0b0e13 40%, #090c10 60%, #07090c 100%);
  line-height:1.6;
  font-size:var(--step-0);
}

img{max-width:100%; display:block; border-radius:12px}
h1,h2,h3{line-height:1.2; margin:0 0 .5em}
h1{font-family:"Playfair Display",serif; font-weight:700; font-size:var(--step-4)}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-1)}
p.lead{font-size:var(--step-1); color:var(--muted)}
a{color:inherit; text-decoration:none}

.container{width:min(1180px, 92vw); margin-inline:auto; padding-inline:0}

.skip-link{position:absolute; left:-999px}
.skip-link:focus{left:1rem; top:1rem; background:#000; color:#fff; padding:.5rem 1rem; border-radius:8px}

/* Header */
.header{position:sticky; top:0; z-index:50; background:rgba(10,12,16,.6); backdrop-filter: blur(10px); border-bottom:1px solid var(--line)}
.header__inner{display:flex; align-items:center; justify-content:space-between; padding:.8rem 0}
.brand{display:flex; gap:.7rem; align-items:center; font-weight:700}
.brand img{width:36px; height:36px; border-radius:10px; filter: drop-shadow(0 4px 10px rgba(0,0,0,.35))}
.nav{display:flex; gap:1.2rem; align-items:center}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--ink)}
.burger{display:none; background:none; border:0; cursor:pointer; padding:.45rem}
.burger span{display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; border-radius:2px; transition:.3s}
.mobile-nav{display:none}

@media (max-width: 860px){
  .nav{display:none}
  .burger{display:block}
  .mobile-nav{display:flex; flex-direction:column; gap:.7rem; padding:.8rem 1rem; background:var(--card); border-bottom:1px solid var(--line); transform:translateY(-100%); opacity:0; visibility:hidden; transition:.3s}
  .mobile-nav.active{transform:translateY(0); opacity:1; visibility:visible}
  .burger.active span:nth-child(1){transform:rotate(45deg) translate(5px, 5px)}
  .burger.active span:nth-child(2){opacity:0}
  .burger.active span:nth-child(3){transform:rotate(-42deg) translate(2px, -3px)}
  .header{
    height: 0px;
  }
}

/* Buttons */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:.6rem; padding:.8rem 1.2rem; border-radius:14px; border:1px solid transparent; transition:.2s transform, .2s box-shadow; box-shadow: 0 6px 16px rgba(0,0,0,.25)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent); color:#111315; font-weight:700}
.btn--secondary{background:transparent; border-color:var(--accent); color:var(--ink)}
.btn--ghost{background:transparent; border-color:var(--line); color:var(--ink)}

/* Hero */
.hero{position:relative; min-height:68vh; display:grid; place-items:center}
.hero__bg{position:absolute; inset:0; overflow:hidden}
.hero__bg img{width:100%; height:100%; object-fit:cover; filter: saturate(1.05) contrast(1.1) brightness(.72)}
.hero__overlay{position:absolute; inset:0; background: radial-gradient(800px 360px at 20% 70%, rgba(224,172,38,.25), transparent 60%), linear-gradient(180deg, rgba(10,12,16,.6), rgba(10,12,16,.9))}
.hero__content{position:relative; padding: clamp(2rem, 6vw, 4rem) 0; text-align:left; margin-top: 20px;}
.hero .accent{color:var(--accent)}
.hero__cta{display:flex; gap:1rem; flex-wrap:wrap; margin:1.2rem 0}
.hero__badges{display:flex; gap:1rem; flex-wrap:wrap; padding:0; margin:1rem 0 0}
.hero__badges li{list-style:none; background:rgba(224,172,38,.12); border:1px solid rgba(224,172,38,.22); padding:.55rem .8rem; border-radius:999px; font-size:var(--step--1)}

/* Sections */
.section{padding: clamp(2rem, 6vw, 5rem) 0}
.section--alt{background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.0)); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.section__head{display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; margin-bottom:1.4rem}
.ticks{padding-left:1.1rem}
.ticks li{margin:.3rem 0}

/* Services */
.services{display:grid; gap:1rem; grid-template-columns: repeat(2, 1fr)}
.service{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:1.1rem; box-shadow:var(--shadow); display:grid; grid-template-columns: auto 1fr; gap:1rem}
.service__icon{font-size:1.8rem; background:rgba(224,172,38,.14); border:1px solid rgba(224,172,38,.28); width:44px; height:44px; display:grid; place-items:center; border-radius:12px}
.service ul{margin:.2rem 0 .6rem; color:var(--muted)}
.result{color:var(--ink); font-weight:600}
@media (max-width: 880px){
  .services{grid-template-columns:1fr}
}

/* Slider */
.slider{position:relative; margin: .6rem 0 1.4rem}
.slider__track{display:flex; overflow:hidden; scroll-behavior:smooth}
.slide{min-width:100%; padding:.2rem}
.slide img{width:100%; height:62vh; object-fit:cover; border-radius:16px; box-shadow:var(--shadow)}
.slider__btn{position:absolute; top:50%; transform:translateY(-50%); background:rgba(0,0,0,.45); border:1px solid var(--line); color:#fff; width:42px; height:42px; border-radius:50%; display:grid; place-items:center; cursor:pointer}
.slider__btn:hover{background:rgba(0,0,0,.6)}
.prev{left:10px}
.next{right:10px}

/* Gallery */
.gallery{display:grid; gap:.8rem; grid-template-columns: repeat(4, 1fr)}
.gallery__item img{aspect-ratio:4/3; object-fit:cover; border-radius:14px}
@media (max-width: 980px){ .gallery{grid-template-columns: repeat(2, 1fr)} }
@media (max-width: 560px){ .gallery{grid-template-columns: 1fr} }

/* About */
.about{display:grid; gap:1.6rem; grid-template-columns:1.1fr .9fr; align-items:center}
.about__media img{height:360px; object-fit:cover}
@media (max-width: 960px){ .about{grid-template-columns:1fr} .about__media img{height:auto} }

/* Contact */
.section--cta{background: radial-gradient(800px 360px at 90% 0%, rgba(224,172,38,.12), transparent 60%)}
.contact{display:grid; place-items:center}
.contact__box{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding: clamp(1rem, 2vw, 2rem); width:min(860px, 96%); box-shadow:var(--shadow)}
.contact__actions{display:flex; gap:1rem; flex-wrap:wrap; margin:.6rem 0 1rem}
.form{display:grid; grid-template-columns: 1fr 1fr; gap:1rem; margin-top:.8rem}
.form label{display:grid; gap:.4rem; font-size:var(--step--1)}
.form input,.form textarea{border:1px solid var(--line); border-radius:12px; padding:.8rem .9rem; font:inherit; color:var(--ink); background:transparent}
.form .full{grid-column:1 / -1}
.form__note{font-size:.88rem; color:var(--muted)}
@media (max-width: 640px){ .form{grid-template-columns:1fr} }

/* Footer */
.footer{border-top:1px solid var(--line); background:transparent}
.footer__inner{display:grid; gap:1rem; grid-template-columns: 1.4fr 1fr; padding:1.2rem 0}
.footer__brand{display:flex; gap:.8rem; align-items:center}
.footer__brand img{width:40px; height:40px; border-radius:9px}
.footer__list{padding-left:1rem}
.footer__copy{grid-column:1 / -1; color:var(--muted); font-size:.9rem; margin:0}
@media (max-width: 800px){ .footer__inner{grid-template-columns:1fr} }

/* Scroll to top button */
.scroll-top{position:fixed; bottom:20px; right:20px; width:50px; height:50px; background:var(--accent); color:#111315; border:none; border-radius:50%; display:grid; place-items:center; cursor:pointer; box-shadow:0 4px 20px rgba(0,0,0,.3); transition:.3s; z-index:100; opacity:0; visibility:hidden; transform:translateY(20px)}
.scroll-top:hover{transform:translateY(-2px); box-shadow:0 6px 25px rgba(0,0,0,.4)}
.scroll-top.visible{opacity:1; visibility:visible; transform:translateY(0)}

@media (min-width: 860px){
  .scroll-top{display:none}
}

/* Discount banner */
.discount-banner{background:linear-gradient(135deg, var(--accent) 0%, #f4c430 100%); padding:1.5rem 0; margin:0}
.discount-banner__content{display:flex; align-items:center; gap:1.2rem; flex-wrap:wrap; justify-content:center}
.discount-banner__icon{font-size:2.5rem; filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}
.discount-banner__text{flex:1; min-width:280px}
.discount-banner__text h3{color:#111315; margin:0 0 .3rem; font-size:var(--step-2); font-weight:700}
.discount-banner__text p{color:#2a1f00; margin:0; font-size:var(--step-0)}
.discount-banner .btn{background:#111315; color:var(--accent); font-weight:700; box-shadow:0 4px 15px rgba(0,0,0,.2)}
.discount-banner .btn:hover{transform:translateY(-2px); box-shadow:0 6px 20px rgba(0,0,0,.3)}

@media (max-width: 640px){
  .discount-banner__content{flex-direction:column; text-align:center; gap:1rem}
  .discount-banner__text{min-width:auto}
}






/* === Header/menu FINAL === */
.header__inner{padding:.6rem 0; display:flex; align-items:center; justify-content:space-between; flex-wrap:nowrap}
.brand{flex:0 0 auto}
.nav{display:flex; gap:1.2rem; align-items:center; flex:1; justify-content:flex-end; white-space:nowrap}
.nav a{font-size:.95rem}
.nav .btn{padding:.55rem .9rem}
.burger{display:none; background:none; border:0; padding:.4rem; cursor:pointer}
.burger span{display:block; width:24px; height:2px; background:var(--ink); margin:4px 0; border-radius:2px}
@media (max-width: 900px){
  .nav{display:none}
  .burger{display:block}
}
.mobile-nav{display:flex; flex-direction:column; gap:.8rem; padding:.8rem 1rem; background:var(--card); border-bottom:1px solid var(--line)}



/* === Enforce single-row header (desktop) & burger on mobile === */
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:.75rem; flex-wrap:nowrap; overflow:hidden; padding:.6rem 0;
}
.brand{flex:0 0 auto}
.nav{flex:1 1 auto; display:flex; justify-content:center; gap:.9rem; white-space:nowrap; flex-wrap:nowrap}
.nav a{padding:.4rem .5rem}
.burger{flex:0 0 auto}
@media (max-width: 1100px){
  .nav{display:none}
  .burger{display:block}
}

@media (min-width: 860px){
  #mobileNav{display:none !important}
}