/* ===== KernelBase — Dubai landing page ===== */

:root{
  --bg:#08080c;
  --bg-elevated:#111119;
  --bg-card:#14141d;
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(212,175,90,0.35);
  --text:#f3efe4;
  --text-muted:#a6a3b3;
  --gold-1:#f4d78c;
  --gold-2:#d4af5a;
  --gold-3:#8a6b28;
  --gold-grad:linear-gradient(135deg,var(--gold-1),var(--gold-2) 55%,var(--gold-3));
  --emerald:#1f7a5c;
  --radius:18px;
  --radius-sm:12px;
  --shadow-gold:0 8px 30px rgba(212,175,90,0.18);
  --container:1180px;
  --ff-body:'Inter',sans-serif;
  --ff-head:'Playfair Display',serif;
}

html[lang="ar"]{
  --ff-body:'Cairo',sans-serif;
  --ff-head:'Cairo',sans-serif;
}

html[lang="ko"]{
  --ff-body:'Pretendard Variable','Pretendard',sans-serif;
  --ff-head:'Pretendard Variable','Pretendard',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;overflow-x:hidden;width:100%}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-body);
  line-height:1.6;
  overflow-x:hidden;
  width:100%;
  -webkit-font-smoothing:antialiased;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;background:none;border:0;color:inherit;cursor:pointer}

.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:24px;
}

.icon{flex-shrink:0}

/* ===== background pattern ===== */
.bg-pattern{
  position:fixed;
  inset:0;
  z-index:-1;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(212,175,90,0.10), transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(31,122,92,0.08), transparent 40%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='84' height='84' viewBox='0 0 84 84'%3E%3Cg fill='none' stroke='%23d4af5a' stroke-opacity='0.06' stroke-width='1'%3E%3Cpath d='M42 2 L82 42 L42 82 L2 42 Z'/%3E%3Cpath d='M42 22 L62 42 L42 62 L22 42 Z'/%3E%3C/g%3E%3C/svg%3E");
}

/* ===== header ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  padding-block:18px;
  transition:all .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(8,8,12,0.85);
  backdrop-filter:blur(14px);
  padding-block:12px;
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-head);font-size:1.35rem;font-weight:700;letter-spacing:.02em}
.logo-mark{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-elevated);
  border:1px solid var(--border-strong);
  border-radius:9px;
}
.logo-mark img{width:22px;height:22px;object-fit:contain;display:block}
.logo-text em{
  font-style:normal;
  background:var(--gold-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{
  font-size:.92rem;
  font-weight:500;
  color:var(--text-muted);
  transition:color .2s ease;
  position:relative;
}
.main-nav a:hover{color:var(--text)}

.header-actions{display:flex;align-items:center;gap:14px;position:relative;z-index:101}

.lang-switch{position:relative}
.lang-current{
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 13px;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:.8rem;
  font-weight:600;
  color:var(--text);
  background:rgba(255,255,255,0.02);
  transition:border-color .2s ease;
}
.lang-current:hover{border-color:var(--border-strong)}
.lang-current .icon{color:var(--gold-2)}
.lang-current .icon-caret{color:var(--text-muted);transition:transform .2s ease}
.lang-switch.open .lang-current .icon-caret{transform:rotate(180deg)}

.lang-menu{
  position:absolute;
  top:calc(100% + 10px);
  inset-inline-end:0;
  min-width:150px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:6px;
  box-shadow:0 20px 40px rgba(0,0,0,0.45);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
  z-index:200;
}
.lang-switch.open .lang-menu{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.lang-option{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  width:100%;
  padding:9px 12px;
  border-radius:8px;
  font-size:.86rem;
  color:var(--text-muted);
  text-align:start;
  transition:background .15s ease, color .15s ease;
}
.lang-option:hover{background:rgba(255,255,255,0.05);color:var(--text)}
.lang-option.active{color:var(--gold-2);font-weight:600}
.lang-option.active::after{
  content:'';
  width:6px;height:6px;
  border-radius:50%;
  background:var(--gold-grad);
  flex-shrink:0;
}

.nav-toggle{display:none}

/* ===== buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  border-radius:999px;
  white-space:nowrap;
  transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn-sm{padding:9px 16px;font-size:.82rem}
.btn-lg{padding:15px 30px;font-size:.98rem}
.btn-gold{
  background:var(--gold-grad);
  color:#181206;
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(212,175,90,0.28)}
.btn-ghost{
  border:1px solid var(--border);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--border-strong);background:rgba(255,255,255,0.03)}
html[dir="rtl"] .btn-ghost .icon{transform:scaleX(-1)}

/* ===== typography ===== */
h1,h2,h3{font-family:var(--ff-head);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,5.2vw,4.1rem);font-weight:800}
h2{font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gold-2);
  margin-bottom:16px;
}
.eyebrow::before{
  content:'';
  width:8px;height:8px;
  border-radius:50%;
  background:var(--gold-grad);
}

.section-head{
  max-width:680px;
  margin-bottom:56px;
}
.section-subtitle{
  margin-top:16px;
  color:var(--text-muted);
  font-size:1.05rem;
}

/* ===== hero ===== */
.hero{
  position:relative;
  padding-block:calc(100px + 6vh) 0;
  overflow:hidden;
}
.hero-inner{
  text-align:center;
  max-width:840px;
  margin-inline:auto;
  padding-bottom:120px;
}
.hero h1{margin-bottom:22px}
.hero-subtitle{
  font-size:1.15rem;
  color:var(--text-muted);
  max-width:640px;
  margin-inline:auto 24px;
  margin-block:0 34px;
}
.hero-cta{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.hero-badges{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.badge{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:.83rem;
  color:var(--text-muted);
  background:rgba(255,255,255,0.02);
}
.badge .icon{color:var(--gold-2)}

.skyline{
  color:var(--bg-elevated);
  position:relative;
  line-height:0;
}
.skyline svg{width:100%;height:auto;display:block}
.skyline::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 0%, rgba(212,175,90,0.05) 100%);
}

/* ===== services ===== */
.services{padding-block:110px}
.service-cards{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  margin-bottom:28px;
}
.service-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:38px;
  transition:border-color .25s ease, transform .25s ease;
}
.service-card:hover{border-color:var(--border-strong);transform:translateY(-4px)}
.service-icon{
  width:54px;height:54px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(212,175,90,0.16), rgba(212,175,90,0.03));
  color:var(--gold-2);
  margin-bottom:20px;
}
.service-card h3{margin-bottom:12px}
.service-card > p{color:var(--text-muted);margin-bottom:22px}
.check-list li{
  display:flex;
  align-items:center;
  gap:10px;
  padding-block:8px;
  border-top:1px solid var(--border);
  font-size:.92rem;
}
.check-list li:first-child{border-top:0}
.check-list .icon{color:var(--emerald);flex-shrink:0}

.mini-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:14px;
}
.mini-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  text-align:center;
  padding:22px 10px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  font-size:.82rem;
  color:var(--text-muted);
  background:rgba(255,255,255,0.015);
}
.mini-item .icon{color:var(--gold-2)}

/* ===== why ===== */
.why{padding-block:110px;background:var(--bg-elevated);border-block:1px solid var(--border)}
.why-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.why-card{
  padding:30px 26px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-card);
}
.why-card .icon{color:var(--gold-2);margin-bottom:18px}
.why-card h3{margin-bottom:10px;font-size:1.08rem}
.why-card p{color:var(--text-muted);font-size:.92rem}

/* ===== process ===== */
.process{padding-block:110px}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.process-step{
  padding:30px 24px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  position:relative;
}
.step-num{
  display:block;
  font-family:var(--ff-head);
  font-size:2rem;
  font-weight:700;
  background:var(--gold-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-bottom:14px;
}
.process-step h3{margin-bottom:10px}
.process-step p{color:var(--text-muted);font-size:.92rem}

/* ===== faq ===== */
.faq{padding-block:110px;background:var(--bg-elevated);border-block:1px solid var(--border)}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:6px 24px;
  background:var(--bg-card);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-block:18px;
  cursor:pointer;
  font-weight:600;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .icon{color:var(--gold-2);transition:transform .25s ease;flex-shrink:0}
.faq-item[open] summary .icon{transform:rotate(90deg)}
.faq-item p{color:var(--text-muted);padding-bottom:20px;font-size:.94rem}

/* ===== cta banner ===== */
.cta-banner{
  padding-block:110px;
  position:relative;
}
.cta-inner{
  text-align:center;
  max-width:600px;
  margin-inline:auto;
  padding:56px 40px;
  border-radius:24px;
  background:linear-gradient(160deg, rgba(212,175,90,0.10), rgba(212,175,90,0.02));
  border:1px solid var(--border-strong);
}
.cta-inner h2{margin-bottom:14px}
.cta-inner p{color:var(--text-muted);margin-bottom:30px}

/* ===== footer ===== */
.site-footer{
  border-top:1px solid var(--border);
  padding-block:64px 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand p{color:var(--text-muted);margin-block:16px 14px;max-width:320px;font-size:.92rem}
.footer-location{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.88rem}
.footer-location .icon{color:var(--gold-2)}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:16px;font-family:var(--ff-body);font-weight:700}
.footer-col a{display:block;color:var(--text-muted);font-size:.92rem;padding-block:6px;transition:color .2s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-contact-link{display:flex !important;align-items:center;gap:8px}
.footer-contact-link .icon{color:var(--gold-2)}
.footer-license{display:flex;align-items:center;gap:8px;margin-top:14px;color:var(--text-muted);font-size:.85rem}
.footer-license .icon{color:var(--gold-2);flex-shrink:0}
.footer-bottom{
  border-top:1px solid var(--border);
  padding-block:22px;
  text-align:center;
  color:var(--text-muted);
  font-size:.82rem;
}
.footer-bottom p{padding-block:3px}
.footer-legal{opacity:.75;font-size:.78rem}

/* ===== floating contact button ===== */
.fab-contact{
  position:fixed;
  bottom:26px;
  inset-inline-end:26px;
  width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--gold-grad);
  color:#181206;
  box-shadow:0 10px 30px rgba(212,175,90,0.35);
  z-index:90;
  transition:transform .2s ease;
}
.fab-contact:hover{transform:scale(1.08)}

/* ===== scroll reveal ===== */
[data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}
[data-reveal].in-view{opacity:1;transform:translateY(0)}

/* ===== responsive ===== */
@media (max-width:960px){
  .main-nav{
    position:fixed;
    top:0;
    inset-inline-end:0;
    height:100vh;
    width:min(320px,80vw);
    background:var(--bg-elevated);
    border-inline-start:1px solid var(--border);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:8px;
    padding-inline:36px;
    transform:translateX(110%);
    transition:transform .3s ease;
    z-index:99;
  }
  html[dir="rtl"] .main-nav{transform:translateX(-110%)}
  .main-nav.open{transform:translateX(0)}
  .main-nav a{font-size:1.1rem;padding-block:12px;width:100%}
  .nav-toggle{display:flex}
  .service-cards,.why-grid,.process-grid{grid-template-columns:1fr 1fr}
  .mini-grid{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:640px){
  .service-cards,.why-grid,.process-grid,.footer-inner{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .hero{padding-top:110px}
  .hero-inner{padding-bottom:70px}
  .header-actions .btn-sm span{display:none}
  .header-actions .btn-sm{padding:10px}
}

@media (max-width:420px){
  .container{padding-inline:16px}
  .header-inner{gap:10px}
  .header-actions{gap:8px}
  .logo{font-size:1.1rem;gap:7px}
  .logo-mark{width:30px;height:30px}
  .logo-mark img{width:18px;height:18px}
  .lang-current{padding:8px 9px}
  .lang-current span{display:none}
  .lang-menu{min-width:140px}
}