/*
 * Main stylesheet for the homepage (and base styles shared by all pages).
 * :root variables below are rendered dynamically by app/Core/Theme.php from
 * config/config.php — values here are the defaults/fallback.
 */
:root{
  --bg:#040810; --card:#0A1628; --card2:#0D1F3C;
  --text:#E8F4FD; --muted:#7A9CC0; --border:#1A3050;
  --cyan:#00E5FF; --purple:#7B61FF; --orange:#FF6B35;
  --r-card:14px; --r-btn:8px; --pad:80px; --maxw:1080px; --nav-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Vazirmatn',system-ui,sans-serif;background:var(--bg);color:var(--text);font-weight:400;line-height:1.8;overflow-x:hidden}
/* Fixed background glow whose color shifts cyan->purple->orange as the page is scrolled (js/script.js) */
#ambient{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60% 50% at 50% 30%, rgba(0,229,255,.10), transparent 70%);transition:background .25s linear}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative}
a{color:inherit;text-decoration:none}

/* NAV */
nav{position:sticky;top:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;background:rgba(4,8,16,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{font-weight:600;font-size:1.18rem;letter-spacing:.2px}
.logo b{font-weight:700;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-links{display:flex;gap:30px;font-size:.95rem;font-weight:500}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.pill{background:var(--cyan);color:#04121a;font-weight:600;padding:9px 20px;border-radius:999px;font-size:.92rem;transition:transform .2s,box-shadow .2s}
.pill:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,229,255,.28)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;border:0;background:transparent;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}
nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
nav.open .nav-toggle span:nth-child(2){opacity:0}
nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO / ACT 1 */
.hero{position:relative;height:calc(100vh - var(--nav-h));min-height:620px;overflow:hidden;display:flex;align-items:flex-end}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;touch-action:pan-y;pointer-events:none}
.scanline{position:absolute;left:0;right:0;height:120px;z-index:1;pointer-events:none;background:linear-gradient(to bottom, transparent, rgba(0,229,255,.06) 60%, rgba(0,229,255,.55) 50%, transparent);mix-blend-mode:screen;will-change:transform}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(to top, rgba(4,8,16,.92) 4%, rgba(4,8,16,.42) 26%, transparent 50%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:122px;width:100%}
.hero-copy{max-width:34ch;text-shadow:0 2px 24px rgba(4,8,16,.85)}
.eyebrow{display:block;font-size:.74rem;font-weight:400;letter-spacing:2px;color:var(--muted);margin-bottom:14px;direction:rtl}
.eyebrow-mobile{display:none}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:600;line-height:1.25;letter-spacing:-.5px;max-width:12ch}
.hero h1 .c{color:var(--cyan)} .hero h1 .o{color:var(--orange)}
.switch{display:flex;gap:8px;margin-top:30px;flex-wrap:wrap;justify-content:center}
.switch button{font-family:inherit;cursor:pointer;background:rgba(10,22,40,.5);border:1px solid var(--border);color:var(--muted);padding:9px 16px;border-radius:6px;font-size:.86rem;font-weight:500;transition:background .2s,color .2s,border-color .2s;backdrop-filter:blur(6px)}
.switch button:hover{color:var(--text);border-color:var(--cyan)}
.switch button.active{background:var(--cyan);color:#04121a;border-color:var(--cyan);font-weight:600;border-radius:6px}
.hint{position:absolute;top:calc(var(--nav-h) + 22px);left:50%;transform:translateX(-50%);z-index:2;font-size:.78rem;color:var(--muted);background:rgba(10,22,40,.55);border:1px solid var(--border);padding:7px 16px;border-radius:999px;backdrop-filter:blur(8px);transition:opacity .6s;display:flex;gap:8px;align-items:center}
.hint.gone{opacity:0;pointer-events:none}
.hint svg{width:15px;height:15px;color:var(--cyan)}
.hint-mobile{display:none}

.stats{position:absolute;left:0;right:0;bottom:0;z-index:2;border-top:1px solid var(--border);background:linear-gradient(to top, rgba(4,8,16,.9), rgba(4,8,16,.4));backdrop-filter:blur(6px)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding-top:18px;padding-bottom:18px}
.stat{text-align:center;border-left:1px solid var(--border)}
.stat:first-child{border-left:none}
.stat-num{font-size:clamp(1.4rem,3vw,2rem);font-weight:700;direction:ltr;line-height:1.2;background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-lbl{font-size:.82rem;color:var(--muted);font-weight:400}

/* SECTIONS */
.section{padding:var(--pad) 24px;position:relative;z-index:1}
.head{text-align:center;margin-bottom:54px}
.head .kick{font-size:.82rem;font-weight:500;letter-spacing:1.5px;color:var(--purple);direction:ltr}
.head h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700;margin-top:10px;letter-spacing:-.4px}
.head p{color:var(--muted);font-weight:300;margin-top:10px;max-width:50ch;margin-inline:auto}

/* PIPELINE */
.pipeline-row{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;max-width:var(--maxw);margin:0 auto}
.pipe-line{position:absolute;top:27px;right:9%;left:9%;height:2px;background:linear-gradient(to left, var(--cyan), var(--purple), var(--orange));opacity:.7;z-index:0}
.step{position:relative;z-index:1;text-align:center}
.node{width:54px;height:54px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.15rem;background:var(--bg);border:2px solid var(--node,var(--cyan));color:var(--node,var(--cyan));box-shadow:0 0 0 6px var(--bg),0 0 22px -4px var(--node,var(--cyan))}
.step h3{font-size:1rem;font-weight:600;margin-bottom:4px}
.step span{font-size:.78rem;color:var(--muted)}

/* SERVICES */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;max-width:var(--maxw);margin:0 auto}
.svc{background:var(--card);padding:34px 28px;position:relative;transition:background .25s}
.svc::before{content:"";position:absolute;top:0;right:0;left:0;height:3px;background:var(--accent,var(--cyan));opacity:0;transition:opacity .25s}
.svc:hover{background:var(--card2)} .svc:hover::before{opacity:1}
.svc .ic{width:34px;height:34px;margin-bottom:16px;color:var(--accent,var(--cyan))}
.svc h3{font-size:1.12rem;font-weight:600;margin-bottom:8px}
.svc p{font-size:.92rem;color:var(--muted);font-weight:300;line-height:1.7}
.svc .meta{display:inline-block;margin-top:14px;font-size:.74rem;color:var(--accent,var(--cyan));direction:ltr;font-weight:500;opacity:.85}

/* TECH */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;max-width:var(--maxw);margin:0 auto}
.spec{margin-bottom:26px}
.spec-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.spec-top h4{font-size:1rem;font-weight:500}
.spec-top .val{font-size:.88rem;color:var(--muted);direction:ltr;font-weight:500}
.bar{height:7px;border-radius:999px;background:var(--card2);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:999px;background:var(--accent,var(--cyan));transition:width 1.1s cubic-bezier(.22,1,.36,1)}
.tech-canvas-wrap{position:relative;border:1px solid var(--border);border-radius:var(--r-card);background:radial-gradient(70% 70% at 50% 45%, rgba(123,97,255,.08), var(--card));overflow:hidden}
#techCanvas{display:block;width:100%;height:420px}
.tech-cap{text-align:center;font-size:.84rem;color:var(--muted);padding:14px 18px;border-top:1px solid var(--border);font-weight:300}

/* CONTACT */
.contact{position:relative;text-align:center;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(50% 70% at 50% 40%, rgba(0,229,255,.14), transparent 70%)}
.contact .wrap{position:relative;z-index:1}
.contact h2{font-size:clamp(1.9rem,4.5vw,2.8rem);font-weight:700;letter-spacing:-.4px}
.contact p{color:var(--muted);font-weight:300;max-width:46ch;margin:16px auto 30px}
.contact-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px;font-size:.95rem}
.contact-links a{color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:9px 20px;direction:ltr;transition:color .2s,border-color .2s}
.contact-links a:hover{color:var(--cyan);border-color:var(--cyan)}
.btn{padding:13px 28px;border-radius:var(--r-btn);font-weight:600;font-size:.98rem;cursor:pointer;transition:transform .2s,box-shadow .2s;border:1px solid transparent;display:inline-block}
.btn-fill{background:var(--cyan);color:#04121a}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,229,255,.3)}
footer{border-top:1px solid var(--border);padding:28px 24px;text-align:center;color:var(--muted);font-size:.85rem;font-weight:300;position:relative;z-index:1}
.footer-links{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:14px}
.footer-links a{color:var(--muted);transition:color .2s}
.footer-links a:hover{color:var(--cyan)}

/* TABLET: services grid to 2 columns, tech grid stacks, pipeline wraps to 2 columns */
@media(max-width:860px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:1fr;gap:40px}
  .pipeline-row{grid-template-columns:repeat(2,1fr);gap:28px}
  .pipe-line{display:none}
  .hero h1{font-size:clamp(1.05rem,2.5vw,1.7rem)}
}
/* MOBILE: single-column layouts, smaller section padding, nav collapses behind a menu toggle */
@media(max-width:600px){
  :root{--pad:60px}
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  nav.open .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;top:100%;right:0;left:0;
    background:rgba(4,8,16,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);padding:8px 24px 20px;
  }
  nav.open .nav-links{flex-direction:column;gap:0}
  nav.open .nav-links a{padding:12px 0;border-bottom:1px solid var(--border)}
  nav.open .pill{margin-top:14px;text-align:center}
  .hero .wrap{padding-bottom:150px}
  .hero h1{font-size:clamp(1.05rem,5vw,1.7rem)}
  .eyebrow-desktop{display:none}
  .eyebrow-mobile{display:block}
  .hint-desktop{display:none}
  .hint-mobile{display:inline}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:10px;row-gap:8px;padding-top:12px;padding-bottom:12px}
  .stat:nth-child(odd){border-left:none}
  .stat:nth-child(n+3){border-top:1px solid var(--border);padding-top:8px}
  .stat-num{font-size:1.3rem}
  .stat-lbl{font-size:.72rem}
  .grid{grid-template-columns:1fr}
  .pipeline-row{grid-template-columns:1fr}
  .step{display:flex;gap:16px;align-items:center;text-align:right}
  .node{margin:0}
}
/* Respect OS-level reduced-motion preference: disable scanline, hint fade and all transitions */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .scanline{display:none}
  .hint{display:none}
  *{transition:none!important}
}