/* =========================================================
   PEYKAS Engineering & Consulting - Premium dark theme
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  background:linear-gradient(180deg,#0e0e10 0%,#141417 100%);
  color:var(--c-text,#f1f1f1);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body.lang-ar{font-family:'Cairo','Inter',system-ui,sans-serif}
body.rtl{direction:rtl;text-align:right}

img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent,#9b1c2c)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{padding:0;margin:0;list-style:none}
h1,h2,h3,h4,h5{font-family:'Inter',sans-serif;letter-spacing:-.02em;line-height:1.15;margin:0 0 .6em}
h1{font-size:clamp(2.2rem,5vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.8rem);font-weight:700}
h3{font-size:1.3rem;font-weight:600}
p{margin:0 0 1em}
.muted{color:#8b8b94}
.lead{font-size:1.15rem;color:#cfcfd6;max-width:60ch}
.center{text-align:center}

/* Container */
.container{max-width:1240px;margin:0 auto;padding:0 24px;position:relative}
.container.narrow{max-width:820px}
@media(max-width:600px){.container{padding:0 18px}}

/* Skip link */
.skip-link{position:absolute;left:-9999px;top:0;background:#9b1c2c;color:#fff;padding:8px 14px;z-index:9999}
.skip-link:focus{left:8px;top:8px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:transparent;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  border-bottom:0;
  box-shadow:none;
  transition:background .35s ease;
}
.site-header.scrolled{
  background:rgba(40,40,41,1);
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  border-bottom:0;
  box-shadow:0 6px 24px rgba(0,0,0,.35);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:228px;flex-wrap:nowrap;transition:height .35s ease}
.site-header.scrolled .header-inner{height:84px}
@media(max-width:1024px){.header-inner{height:140px}.site-header.scrolled .header-inner{height:72px}}
@media(max-width:600px){.header-inner{height:80px;gap:10px}.site-header.scrolled .header-inner{height:60px}}

.brand{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand-pill{
  display:inline-flex;align-items:center;justify-content:center;
  padding:0;border-radius:0;
  background:transparent;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  border:0;
  box-shadow:none;
  transition:transform .25s ease;
}
.brand:hover .brand-pill{transform:translateY(-1px)}
.site-header.scrolled .brand-pill{background:transparent;border:0;box-shadow:none;padding:0}
.brand-logo{height:114px;width:auto;display:block;filter:none;transition:height .35s ease}
.site-header.scrolled .brand-logo{height:60px}
@media(max-width:1024px){.brand-logo{height:90px}.site-header.scrolled .brand-logo{height:52px}}
@media(max-width:600px){.brand-logo{height:56px}.site-header.scrolled .brand-logo{height:42px}}

.main-nav ul{display:flex;gap:18px;align-items:flex-start;flex-direction:column;flex-wrap:nowrap;margin:0;padding:0;list-style:none}
.main-nav li{flex:0 0 auto;width:100%}
.main-nav a{font-size:1.05rem;color:#dcdce0;font-weight:500;letter-spacing:.02em;position:relative;padding:8px 0;white-space:nowrap;display:inline-block}
.main-nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--c-accent);transition:width .3s ease}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
@media(min-width:600px){.header-actions{gap:14px}}
.hide-mobile{display:none}
@media(min-width:560px){.hide-mobile{display:inline-flex}}

/* Lang switcher (always visible, touch-friendly) */
.lang-switcher{position:relative}
.lang-current{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid rgba(255,255,255,.22);
  border-radius:999px;font-size:.78rem;letter-spacing:.16em;
  color:#fff;background:rgba(20,20,24,.45);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:background .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.lang-current:hover,.lang-switcher.open .lang-current{background:rgba(155,28,44,.25);border-color:rgba(255,255,255,.4)}
.lang-globe{font-size:1rem;line-height:1}
.lang-code{font-weight:700;letter-spacing:.18em}
.lang-caret{font-size:.7rem;opacity:.8;transition:transform .2s ease}
.lang-switcher.open .lang-caret{transform:rotate(180deg)}
@media(max-width:480px){
  .lang-current{padding:7px 11px;font-size:.72rem;gap:6px}
  .lang-caret{display:none}
}

.lang-menu{
  position:absolute;top:calc(100% + 10px);right:0;
  background:#16161a;border:1px solid rgba(255,255,255,.1);
  border-radius:12px;padding:8px;min-width:200px;
  box-shadow:0 24px 50px rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  z-index:1100;
}
body.rtl .lang-menu{right:auto;left:0}
.lang-switcher.open .lang-menu,
.lang-switcher:focus-within .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
@media(hover:hover){.lang-switcher:hover .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}}
.lang-menu a{
  display:flex;align-items:center;gap:12px;
  padding:9px 12px;font-size:.9rem;border-radius:8px;color:#dcdce0;
}
.lang-menu a:hover,.lang-menu a.active{background:rgba(155,28,44,.22);color:#fff}
.lang-menu a.active{box-shadow:inset 0 0 0 1px rgba(155,28,44,.45)}
.lang-mini{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:22px;border-radius:5px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  font-size:.66rem;font-weight:700;letter-spacing:.08em;color:#fff;
}
body.rtl .lang-menu a{flex-direction:row-reverse}

.nav-toggle{display:flex;flex-direction:column;gap:5px;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;background:rgba(20,20,24,.45);border:1px solid rgba(255,255,255,.12)}
.nav-toggle span{width:22px;height:2px;background:#fff;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}


/* Mobile nav drawer (used at all widths for clean UX with 8 items + RTL/long labels) */
.main-nav{position:fixed;top:0;right:-100%;width:82%;max-width:340px;height:100vh;background:#0e0e10;padding:90px 28px 32px;transition:right .3s ease;border-left:1px solid rgba(255,255,255,.06);overflow-y:auto;z-index:999}
body.rtl .main-nav{right:auto;left:-100%;border-left:0;border-right:1px solid rgba(255,255,255,.06);transition:left .3s ease}
.main-nav.open{right:0}
body.rtl .main-nav.open{left:0}
.main-nav ul{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.main-nav.open a{font-size:1.05rem}


/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:6px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;font-size:.82rem;transition:transform .15s ease,box-shadow .25s ease,background .25s;
  cursor:pointer;border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px)}
.btn-accent{background:linear-gradient(135deg,var(--c-accent,#9b1c2c) 0%,#6c1320 100%);color:#fff;box-shadow:0 8px 22px rgba(155,28,44,.35)}
.btn-accent:hover{color:#fff;box-shadow:0 12px 30px rgba(155,28,44,.5)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.06);color:#fff}
.btn-lg{padding:16px 30px;font-size:.86rem}
.btn-sm{padding:9px 16px;font-size:.74rem}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-accent,#9b1c2c);font-weight:600;font-size:.92rem;letter-spacing:.04em}
.link-arrow:hover{gap:10px}

/* Kicker / section heads */
.kicker{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.32em;color:var(--c-accent,#9b1c2c);text-transform:uppercase;margin-bottom:14px;position:relative;padding-left:46px}
.kicker::before{content:"";position:absolute;left:0;top:50%;width:34px;height:1px;background:var(--c-accent)}
body.rtl .kicker{padding-left:0;padding-right:46px}
body.rtl .kicker::before{left:auto;right:0}

.section{padding:110px 0;position:relative}
@media(max-width:768px){.section{padding:70px 0}}
.section-title{margin-bottom:.4em}
.section-head{margin-bottom:50px}
.section-head.center{text-align:center}
.row-between{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.dark-band{background:linear-gradient(180deg,#0a0a0c 0%,#0f0f12 100%);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}

/* Two columns */
.two-col{display:grid;grid-template-columns:1fr;gap:60px;align-items:center}
@media(min-width:1000px){.two-col{grid-template-columns:1fr 1fr;gap:80px}}
.two-col.reverse > *:first-child{order:0}
@media(min-width:1000px){.two-col.reverse > *:first-child{order:2}}

/* Grids */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media(min-width:680px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.grid-3{grid-template-columns:repeat(3,1fr)} .grid-4{grid-template-columns:repeat(4,1fr)}}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding:0;margin-top:0;background:rgba(40,40,41,1)}
.hero-video-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 30%,rgba(155,28,44,.18),transparent 60%),linear-gradient(180deg,rgba(10,10,12,.55) 0%,rgba(10,10,12,.85) 100%);z-index:1}
.hero-content{position:relative;z-index:2;max-width:880px}
.hero h1{font-size:clamp(2.5rem,6.5vw,5.4rem);font-weight:800;background:linear-gradient(180deg,#ffffff 0%,#cfcfd6 100%);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:.4em}
.hero p{font-size:clamp(1rem,1.4vw,1.25rem);color:#dcdce0;max-width:60ch;margin-bottom:32px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);width:24px;height:40px;border:2px solid rgba(255,255,255,.4);border-radius:14px;z-index:2}
.scroll-cue span{display:block;width:4px;height:8px;background:#fff;border-radius:2px;margin:6px auto;animation:scrollCue 1.6s ease-in-out infinite}
@keyframes scrollCue{0%,100%{transform:translateY(0);opacity:.3}50%{transform:translateY(8px);opacity:1}}

/* Slider */
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease;display:flex;align-items:center}
.hero-slide.active{opacity:1;z-index:1}

/* ============ CARDS ============ */
.card{
  background:linear-gradient(160deg,rgba(255,255,255,.04) 0%,rgba(255,255,255,.015) 100%);
  border:1px solid rgba(255,255,255,.06);
  border-radius:14px;
  padding:28px;
  position:relative;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  overflow:hidden;
  display:flex;flex-direction:column;
  text-decoration:none;color:inherit;
}
.card:hover{transform:translateY(-4px);border-color:rgba(155,28,44,.4);box-shadow:0 24px 50px rgba(0,0,0,.4),0 0 0 1px rgba(155,28,44,.15) inset}
.card.pad{padding:34px}
.card-body{padding:22px 24px}
.card h3{margin-top:0;color:#fff}
.card p{color:#bdbdc7;margin-bottom:14px;font-size:.95rem}
.card-icon{
  width:54px;height:54px;border-radius:12px;
  background:linear-gradient(135deg,rgba(155,28,44,.25),rgba(155,28,44,.05));
  border:1px solid rgba(155,28,44,.4);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:1.4rem;margin-bottom:18px;
}

.service-card{}
.project-card{padding:0;overflow:hidden}
.project-cover{height:220px;background:#161619 center/cover no-repeat;position:relative;transition:transform .5s ease}
.project-card:hover .project-cover{transform:scale(1.05)}
.meta{display:block;color:var(--c-accent);font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin-bottom:10px}
.news-card,.event-card{padding:0;overflow:hidden}
.team-card{padding:0;overflow:hidden;text-align:center}
.team-photo{aspect-ratio:1/1;background:#161619 center/cover no-repeat}
.doc-card{flex-direction:row;align-items:center;padding:0}
.doc-icon{width:90px;height:90px;flex:0 0 90px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#23232a,#1a1a1d);color:var(--c-accent);font-weight:800;letter-spacing:.1em}

/* About metrics */
.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.metric{padding:24px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:12px;text-align:center}
.metric strong{display:block;font-size:2.2rem;color:#fff;font-weight:800;line-height:1;margin-bottom:6px}
.metric span{color:#bdbdc7;font-size:.85rem}

/* Visual decorative cards */
.visual-card{position:relative;aspect-ratio:4/3;border-radius:16px;background:linear-gradient(135deg,#1a1a1d 0%,#0e0e10 100%);border:1px solid rgba(255,255,255,.06);overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.45)}
.visual-shimmer{position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(155,28,44,.35),transparent 60%),radial-gradient(circle at 80% 70%,rgba(155,28,44,.18),transparent 50%);animation:shimmer 8s ease-in-out infinite alternate}
@keyframes shimmer{0%{transform:scale(1)}100%{transform:scale(1.15) rotate(4deg)}}
.visual-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 70%)}
.visual-card.alt .visual-shimmer{background:radial-gradient(circle at 70% 30%,rgba(155,28,44,.35),transparent 60%),radial-gradient(circle at 25% 80%,rgba(120,120,180,.2),transparent 50%)}
.visual-pulse{position:absolute;left:50%;top:50%;width:140px;height:140px;border-radius:50%;border:1px solid rgba(255,255,255,.18);transform:translate(-50%,-50%);box-shadow:0 0 0 0 rgba(155,28,44,.5);animation:pulse 2.6s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(155,28,44,.5)}100%{box-shadow:0 0 0 80px rgba(155,28,44,0)}}

.check-list{margin:18px 0 28px}
.check-list li{padding-left:30px;position:relative;margin-bottom:10px;color:#cfcfd6}
.check-list li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--c-accent),#6c1320);box-shadow:0 0 0 4px rgba(155,28,44,.18)}
body.rtl .check-list li{padding-left:0;padding-right:30px}
body.rtl .check-list li::before{left:auto;right:0}

/* Logo strip */
.logo-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:48px;margin-top:30px}
.logo-strip span{font-size:1rem;font-weight:600;color:rgba(255,255,255,.45);letter-spacing:.1em;border:1px solid rgba(255,255,255,.08);padding:14px 22px;border-radius:8px}

/* CTA band */
.cta-band{padding:90px 0;background:linear-gradient(135deg,#0e0e10 0%,#1a0d12 60%,#3a0e1a 100%);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 50%,rgba(155,28,44,.4),transparent 50%)}
.cta-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{margin-bottom:.4em}
.cta-inner p{color:#cfcfd6;margin-bottom:30px}

/* Page hero */
.page-hero{padding:160px 0 80px;background:linear-gradient(180deg,#0a0a0c,#141417)}
.page-hero h1{margin-bottom:.4em}
.page-hero.dark{background:linear-gradient(135deg,#0a0a0c 0%,#1a0d12 100%)}
.project-hero-img{margin-top:30px}
.project-hero-img img{width:100%;border-radius:14px;border:1px solid rgba(255,255,255,.06)}
.project-meta{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);padding:28px;border-radius:14px}
.project-meta h4{margin-top:0}
.project-meta li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.project-meta li:last-child{border:0}
.project-meta li span{color:var(--c-accent);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}

.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:768px){.gallery{grid-template-columns:repeat(3,1fr)}}
.gallery img{aspect-ratio:4/3;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.06);transition:transform .3s ease}
.gallery img:hover{transform:scale(1.03)}

.video-wrap{margin-top:30px;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.video-wrap video{width:100%;display:block}

/* Content (rich text) */
.content{font-size:1.05rem;color:#dcdce0;line-height:1.85}
.content h2,.content h3{color:#fff;margin-top:1.6em}
.content p{margin-bottom:1.2em}
.content a{color:var(--c-accent);text-decoration:underline}
.content ul,.content ol{padding-left:1.4em;margin-bottom:1.2em}
.content blockquote{border-left:3px solid var(--c-accent);padding:8px 18px;color:#cfcfd6;margin:1.4em 0}
body.rtl .content ul,body.rtl .content ol{padding-left:0;padding-right:1.4em}
body.rtl .content blockquote{border-left:0;border-right:3px solid var(--c-accent)}

/* Forms */
.form label{display:block;font-size:.82rem;letter-spacing:.06em;color:#a8a8b0;margin-bottom:18px;text-transform:uppercase;font-weight:600}
.form input[type=text],.form input[type=email],.form input[type=tel],.form input[type=password],.form input[type=number],.form input[type=date],.form select,.form textarea{
  display:block;width:100%;margin-top:8px;
  padding:14px 16px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:8px;color:#fff;font:inherit;
  transition:border-color .2s,background .2s
}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--c-accent);background:rgba(155,28,44,.06)}
.form-row{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:680px){.form-row{grid-template-columns:1fr 1fr}}
.form .check{display:flex;align-items:flex-start;gap:10px;text-transform:none;letter-spacing:0;color:#cfcfd6;font-size:.92rem;font-weight:400}
.form .check input{margin-top:5px}
.contact-info h3{margin-top:0}
.info-list li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;gap:4px}
.info-list strong{color:var(--c-accent);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase}
.map-embed iframe,.map-embed{margin-top:24px;width:100%;min-height:260px;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}

/* Flash */
.flash-stack{position:fixed;top:90px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:10px;max-width:360px}
body.rtl .flash-stack{right:auto;left:20px}
.flash{padding:14px 18px;border-radius:10px;background:#1a1a1d;border:1px solid rgba(255,255,255,.08);color:#fff;font-size:.92rem;box-shadow:0 14px 30px rgba(0,0,0,.45)}
.flash-success{border-color:rgba(0,180,90,.45)}
.flash-error{border-color:rgba(220,60,60,.55)}

/* Cookie bar */
.cookie-bar{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:rgba(20,20,24,.96);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);padding:14px 20px;border-radius:14px;color:#fff;display:flex;gap:18px;align-items:center;max-width:560px;z-index:2000;box-shadow:0 14px 30px rgba(0,0,0,.45)}
.cookie-bar[hidden]{display:none}
.cookie-bar span{font-size:.88rem;color:#cfcfd6}

/* Footer */
.site-footer{background:#0a0a0c;border-top:1px solid rgba(255,255,255,.05);padding:70px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:760px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-tagline{color:#8b8b94;margin:14px 0;font-size:.92rem;max-width:36ch}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#bdbdc7;font-size:.92rem}
.footer-links a:hover{color:#fff}
.socials{display:flex;gap:10px;margin-top:14px}
.socials a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem;color:#fff}
.socials a:hover{background:var(--c-accent);border-color:var(--c-accent)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.05);text-align:center;color:#7a7a82;font-size:.84rem}

/* Reveal */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
[data-reveal].visible{opacity:1;transform:none}

/* Scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0a0a0c}
::-webkit-scrollbar-thumb{background:#2a2a30;border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--c-accent)}

/* Selection */
::selection{background:var(--c-accent);color:#fff}

/* ============ MOBILE NATIVE-APP FEEL ============ */
@supports(padding: max(0px)) {
  .site-header { padding-top: env(safe-area-inset-top, 0); }
}

@media (max-width: 768px) {
  html { -webkit-text-size-adjust: 100%; }
  body {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    overscroll-behavior-y: contain;
    text-rendering: optimizeLegibility;
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0));
  }
  /* Solid header at all times on mobile, no transparency flicker */
  .site-header { background: rgba(40,40,41,1); box-shadow: 0 2px 12px rgba(0,0,0,.35); }
  .site-header .header-inner { height: 60px; }
  .site-header.scrolled .header-inner { height: 56px; }
  .brand-logo, .site-header.scrolled .brand-logo { height: 38px; }

  /* Bigger touch targets */
  .btn, .nav-toggle, .lang-current, .bn-item { min-height: 44px; }

  /* Hide full footer on mobile (bottom-nav replaces it) */
  .site-footer { display: none; }

  /* Sheet-style drawer */
  .main-nav {
    top: auto; bottom: 0; right: 0; left: 0; width: 100%; max-width: none;
    height: auto; max-height: 78vh;
    border-radius: 22px 22px 0 0;
    border: 0; border-top: 1px solid rgba(255,255,255,.08);
    padding: 26px 22px calc(28px + env(safe-area-inset-bottom, 0));
    transform: translateY(100%);
    transition: transform .32s cubic-bezier(.2,.8,.2,1);
    box-shadow: 0 -18px 40px rgba(0,0,0,.6);
  }
  body.rtl .main-nav { left: 0; right: 0; transition: transform .32s cubic-bezier(.2,.8,.2,1); }
  .main-nav.open, body.rtl .main-nav.open { transform: translateY(0); }
  .main-nav::before {
    content: ""; position: absolute; top: 9px; left: 50%; transform: translateX(-50%);
    width: 44px; height: 4px; border-radius: 999px; background: rgba(255,255,255,.22);
  }
  .main-nav ul { gap: 6px; }
  .main-nav.open a { font-size: 1.05rem; padding: 14px 6px; width: 100%; border-bottom: 1px solid rgba(255,255,255,.05); }

  /* Cards rounder, more app-like */
  .card { border-radius: 18px; }

  /* Smooth momentum scrolling */
  main, .main-nav { -webkit-overflow-scrolling: touch; }
}

/* ============ BOTTOM NAVIGATION (mobile only) ============ */
.bottom-nav { display: none; }
@media (max-width: 768px) {
  .bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1100;
    background: rgba(28,28,30,.92);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0));
    box-shadow: 0 -6px 20px rgba(0,0,0,.45);
  }
  .bn-item {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px; padding: 8px 4px; color: #cfcfd3; text-decoration: none;
    font-size: .68rem; letter-spacing: .04em; font-weight: 500;
    border-radius: 12px; transition: color .2s, background .2s, transform .15s;
    -webkit-tap-highlight-color: transparent;
  }
  .bn-item:active { transform: scale(.94); background: rgba(255,255,255,.05); }
  .bn-item.active, .bn-item:hover { color: var(--c-accent, #9b1c2c); }
  .bn-icon { width: 22px; height: 22px; stroke-width: 2; }
  .bn-label { line-height: 1; }
}

/* ============ MOBILE NAV DRAWER FIX (above bottom-nav, with backdrop + close) ============ */
.nav-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.55);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
  z-index:1150;
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.nav-backdrop.show{opacity:1;pointer-events:auto}
body.nav-open{overflow:hidden}

.nav-close{
  position:absolute;top:10px;right:14px;
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;
  display:none;align-items:center;justify-content:center;
}
body.rtl .nav-close{right:auto;left:14px}
.nav-cta{display:none;margin-top:18px;width:100%}

/* Raise drawer above bottom-nav and header */
.main-nav{z-index:1200 !important}

@media (max-width:768px){
  .nav-close{display:inline-flex}
  .nav-cta{display:inline-flex}
  /* Sit drawer ABOVE the bottom-nav (64px tall) */
  .main-nav{
    bottom:0 !important;
    max-height:82vh;
    padding-top:48px;
    padding-bottom:calc(80px + env(safe-area-inset-bottom,0));
  }
  .main-nav ul{margin-top:6px}
}