/* =========================================================
   امیر فردی — وب‌سایت حرفه‌ای هوش مصنوعی
   تم روشن / لوکس‌-تک · راست‌چین (RTL) · فونت وزیرمتن
   ========================================================= */

:root{
  --white:#ffffff;
  --bg:#f7f9fc;
  --bg-2:#eef2f8;
  --ink:#0b1220;
  --ink-soft:#46546b;
  --muted:#7b879b;
  --line:rgba(16,30,60,.10);

  --blue:#3b82f6;
  --blue-soft:#60a5fa;
  --indigo:#6366f1;
  --violet:#8b5cf6;
  --grad:linear-gradient(120deg,#3b82f6,#6366f1 45%,#8b5cf6);
  --grad-soft:linear-gradient(120deg,rgba(59,130,246,.16),rgba(139,92,246,.16));

  --glass:rgba(255,255,255,.55);
  --glass-strong:rgba(255,255,255,.75);
  --shadow-sm:0 4px 18px rgba(20,40,90,.07);
  --shadow:0 18px 50px rgba(28,46,92,.12);
  --shadow-lg:0 30px 80px rgba(28,46,92,.18);
  --radius:20px;
  --radius-lg:28px;
  --maxw:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
  --font:'Vazirmatn',Tahoma,system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;letter-spacing:normal}
button,input,textarea,select,a{font-family:var(--font)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.95;
  overflow-x:hidden;
  position:relative;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
strong{font-weight:700}

/* ---------- Background decorations ---------- */
#neural-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.55}
.bg-blobs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:floatBlob 22s var(--ease) infinite alternate}
.blob-1{width:420px;height:420px;background:radial-gradient(circle,#bcd4ff,transparent 70%);top:-80px;inset-inline-start:-60px}
.blob-2{width:480px;height:480px;background:radial-gradient(circle,#d9ccff,transparent 70%);top:40%;inset-inline-end:-120px;animation-delay:-6s}
.blob-3{width:380px;height:380px;background:radial-gradient(circle,#c8e0ff,transparent 70%);bottom:-100px;inset-inline-start:30%;animation-delay:-12s}
@keyframes floatBlob{to{transform:translate3d(40px,-30px,0) scale(1.12)}}

main,.footer{position:relative;z-index:1}

/* ---------- Preloader ---------- */
#preloader{position:fixed;inset:0;z-index:9999;background:var(--white);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;transition:opacity .6s ease,visibility .6s ease}
#preloader.hidden{opacity:0;visibility:hidden}
.loader-diamond{position:relative;display:grid;place-items:center;width:90px;height:90px}
.loader-diamond img{animation:pulse 1.6s ease-in-out infinite}
.loader-ring{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;border-top-color:var(--violet);border-right-color:var(--blue);animation:spin 1s linear infinite}
.loader-text{font-weight:700;color:var(--ink-soft);font-size:1.05rem}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{transform:scale(1.12)}}

/* ---------- Scroll progress ---------- */
#scroll-progress{position:fixed;top:0;inset-inline-start:0;height:3px;width:0;z-index:9998;background:var(--grad);box-shadow:0 0 12px rgba(99,102,241,.6)}

/* ---------- Custom cursor ---------- */
#cursor-dot,#cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:9997;mix-blend-mode:multiply;will-change:transform}
#cursor-dot{width:7px;height:7px;background:var(--indigo);transform:translate(-50%,-50%)}
#cursor-ring{width:38px;height:38px;border:1.5px solid rgba(99,102,241,.5);transform:translate(-50%,-50%);transition:width .25s,height .25s,background .25s}
#cursor-ring.grow{width:60px;height:60px;background:rgba(99,102,241,.08)}
@media (hover:none){#cursor-dot,#cursor-ring{display:none}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.98rem;padding:.85rem 1.7rem;border-radius:999px;cursor:pointer;border:0;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;position:relative;will-change:transform}
.btn-primary{color:#fff;background:var(--grad);background-size:160% 160%;box-shadow:0 10px 30px rgba(99,102,241,.35);animation:gradShift 6s ease infinite}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(99,102,241,.5)}
.btn-ghost{color:var(--ink);background:var(--glass-strong);border:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--blue-soft);box-shadow:var(--shadow)}
@keyframes gradShift{50%{background-position:100% 50%}}

/* ---------- Navbar ---------- */
#navbar{position:fixed;top:0;inset-inline:0;width:100%;z-index:900;transition:all .4s var(--ease);padding:.4rem 0}
#navbar.scrolled{background:rgba(255,255,255,.72);backdrop-filter:blur(18px) saturate(160%);box-shadow:0 6px 30px rgba(20,40,90,.08);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:.7rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-logo img{height:52px;width:auto;max-width:158px;object-fit:contain;transition:transform .3s var(--ease)}
.nav-logo:hover img{transform:scale(1.05)}
.nav-links{display:flex;align-items:center;gap:.4rem}
.nav-link{position:relative;font-weight:500;font-size:.98rem;color:var(--ink-soft);padding:.5rem .9rem;border-radius:999px;transition:color .25s}
.nav-link::after{content:"";position:absolute;inset-inline:.9rem;bottom:.3rem;height:2px;background:var(--grad);border-radius:2px;transform:scaleX(0);transition:transform .3s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link.active{color:var(--ink)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{color:#fff;background:var(--grad);box-shadow:0 8px 22px rgba(99,102,241,.32)}
.nav-cta::after{display:none}
.nav-cta:hover{color:#fff;transform:translateY(-2px)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Layout helpers ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:7rem 1.5rem}
.section-head{text-align:center;max-width:760px;margin:0 auto 3.5rem}
.kicker{display:inline-block;font-weight:600;font-size:.85rem;color:var(--indigo);padding:.35rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--grad-soft);margin-bottom:1rem}
.section-title{font-weight:800;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.4}
.section-desc{margin-top:.8rem;color:var(--ink-soft);font-size:1.08rem}
.grad-text{display:inline-block;min-inline-size:8.8em;text-align:center;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Hero ---------- */
.hero{min-height:100svh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:2rem;max-width:var(--maxw);margin:0 auto;padding:8rem 1.5rem 4rem;position:relative}
.hero-grid{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000,transparent 75%);opacity:.6}
.eyebrow{display:inline-block;font-weight:600;font-size:.9rem;color:var(--indigo);background:var(--glass-strong);border:1px solid var(--line);padding:.45rem 1.1rem;border-radius:999px;box-shadow:var(--shadow-sm);margin-bottom:1.4rem}
.hero-title{font-weight:800;font-size:clamp(2.1rem,5.2vw,3.9rem);line-height:1.45}
#typed{display:inline-block;inline-size:100%;min-height:1.45em;border-inline-end:3px solid var(--violet);padding-inline-end:3px;white-space:nowrap;text-align:center;vertical-align:bottom}
.hero-sub{margin:1.6rem 0 2.2rem;font-size:1.14rem;color:var(--ink-soft);max-width:600px;line-height:2.1}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2.4rem;margin-top:3rem;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat .num{font-weight:800;font-size:2rem;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat small{color:var(--muted);font-size:.88rem;margin-top:.5rem}

.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-portrait{position:relative;width:min(82%,380px);aspect-ratio:1;border-radius:50%}
.hero-portrait img{width:100%;height:100%;object-fit:cover;border-radius:50%;box-shadow:var(--shadow-lg);border:4px solid #fff;outline:1px solid var(--line);position:relative;z-index:2;animation:floaty 6s ease-in-out infinite}
.hero-portrait::before{content:"";position:absolute;inset:-10px;border-radius:50%;border:1.5px dashed rgba(99,102,241,.45);z-index:1;animation:spin 26s linear infinite}
.hero-portrait-glow{position:absolute;inset:-18px;border-radius:50%;background:var(--grad);filter:blur(42px);opacity:.38;z-index:0;animation:gradShift 8s ease infinite;background-size:200% 200%}
.float-chip{position:absolute;z-index:3;font-weight:600;font-size:.8rem;padding:.5rem .85rem;border-radius:14px;background:var(--glass-strong);backdrop-filter:blur(12px);border:1px solid var(--line);box-shadow:var(--shadow);white-space:nowrap;animation:floaty 5s ease-in-out infinite}
.chip-1{top:6%;inset-inline-start:-6%;animation-delay:-1s}
.chip-2{bottom:16%;inset-inline-end:-6%;animation-delay:-2.5s}
.chip-3{bottom:-4%;inset-inline-start:14%;animation-delay:-3.5s}
@keyframes floaty{50%{transform:translateY(-12px)}}

.scroll-hint{position:absolute;bottom:1.5rem;inset-inline-start:50%;transform:translateX(50%);width:26px;height:42px;border:2px solid var(--line);border-radius:14px;display:grid;place-items:start center}
.scroll-hint span{width:5px;height:9px;border-radius:3px;background:var(--indigo);margin-top:7px;animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(0)}40%{opacity:1}80%{opacity:0;transform:translateY(12px)}}

/* ---------- About ---------- */
.about-grid{display:block;max-width:820px;margin:0 auto;text-align:center}
.about-text .lead{font-size:1.35rem;font-weight:700;margin-bottom:1rem}
.about-pills{justify-content:center}
.about-text p{color:var(--ink-soft);margin-bottom:1rem;line-height:2.1}
.about-pills{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.6rem 0 2rem}
.about-pills li{font-size:.88rem;font-weight:500;padding:.45rem 1rem;border-radius:999px;background:var(--glass-strong);border:1px solid var(--line);box-shadow:var(--shadow-sm)}

.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;margin-top:5rem;position:relative}
.timeline::before{content:"";position:absolute;top:7px;inset-inline:5%;height:2px;background:linear-gradient(90deg,transparent,var(--blue-soft),var(--violet),transparent)}
.t-item{position:relative;padding-top:2.2rem}
.t-dot{position:absolute;top:0;inset-inline-start:0;width:16px;height:16px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 5px rgba(99,102,241,.12)}
.t-item h3{font-size:1.08rem;font-weight:700;margin-bottom:.4rem}
.t-item p{color:var(--ink-soft);font-size:.94rem;line-height:1.9}

/* ---------- Glass cards (services) ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.glass-card{position:relative;padding:2.2rem 1.8rem;border-radius:var(--radius);background:var(--glass);backdrop-filter:blur(16px) saturate(160%);border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease);outline:none}
.glass-card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.glass-card::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.18),transparent 65%);top:var(--my,50%);left:var(--mx,50%);transform:translate(-50%,-50%);opacity:0;transition:opacity .4s}
.glass-card:hover,.glass-card:focus-visible{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.glass-card:hover::before,.glass-card:focus-visible::before{opacity:1}
.glass-card:hover::after{opacity:1}
.card-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--grad-soft);border:1px solid var(--line);margin-bottom:1.2rem;color:var(--indigo)}
.card-icon svg{width:28px;height:28px;transition:transform .5s var(--ease)}
.glass-card:hover .card-icon svg{transform:rotate(8deg) scale(1.1)}
.glass-card h3{font-size:1.22rem;font-weight:700;margin-bottom:.5rem;position:relative;z-index:1}
.glass-card p{color:var(--ink-soft);font-size:.97rem;position:relative;z-index:1;line-height:1.95}

/* ---------- Portfolio (clean, always-visible layout) ---------- */
.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.p-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;outline:none;display:flex;flex-direction:column;align-items:flex-start;padding:1.7rem 1.5rem;gap:.6rem}
.p-card .p-icon{width:56px;height:56px;flex:none;display:grid;place-items:center;font-size:1.7rem;border-radius:16px;background:var(--grad-soft);border:1px solid var(--line);box-shadow:var(--shadow-sm);margin-bottom:.5rem;transition:transform .4s var(--ease)}
.p-card-feature{padding:1rem;gap:.85rem}
.p-shot{width:100%;aspect-ratio:4/5;border-radius:14px;overflow:hidden;background:#eef2f8;border:1px solid var(--line);box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}
.p-shot img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.p-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.1rem}
.p-tags span{font-size:.72rem;font-weight:700;color:var(--indigo);background:var(--grad-soft);border:1px solid var(--line);border-radius:999px;padding:.25rem .65rem;line-height:1.5}
.p-card h3{font-size:1.05rem;font-weight:700;line-height:1.6}
.p-card p{color:var(--ink-soft);font-size:.92rem;line-height:1.9;flex:1}
.p-btn{display:inline-block;margin-top:.4rem;font-weight:700;font-size:.9rem;color:var(--indigo);transition:transform .3s var(--ease),opacity .3s}
.p-card::after{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s;pointer-events:none}
.p-card:hover,.p-card:focus-visible{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.p-card:hover::after,.p-card:focus-visible::after{opacity:1}
.p-card:hover .p-icon{transform:scale(1.1) rotate(-6deg)}
.p-card:hover .p-btn{transform:translateX(-4px)}

/* ---------- Contact ---------- */
.contact-card{max-width:880px;margin:0 auto;text-align:center;padding:3.5rem 2rem;border-radius:var(--radius-lg);background:var(--glass-strong);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow);position:relative;overflow:hidden}
.contact-card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.5;z-index:-1}
.contact-direct{display:flex;flex-direction:column;align-items:center;gap:.7rem;margin:.5rem 0 2rem}
.contact-email{display:inline-block;font-weight:700;font-size:clamp(1.1rem,3vw,1.7rem);padding:.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;transition:transform .3s var(--ease)}
.contact-email:hover{transform:scale(1.04)}
.contact-phone{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1.1rem;color:var(--ink-soft);padding:.55rem 1.2rem;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),color .3s}
.contact-phone svg{width:18px;height:18px;color:var(--indigo)}
.contact-phone:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:var(--ink)}
.social-row{display:flex;justify-content:center;flex-wrap:wrap;gap:1rem}
.social-btn{display:inline-flex;align-items:center;gap:.6rem;font-weight:600;font-size:.97rem;padding:.8rem 1.5rem;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),color .3s}
.social-btn svg{width:22px;height:22px;transition:transform .3s var(--ease)}
.social-btn:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:#fff}
.social-btn:hover svg{transform:scale(1.15) rotate(6deg)}
.social-btn.tg:hover{background:#229ED9}
.social-btn.ig:hover{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.social-btn.bale:hover{background:#1ba6e0}
.social-btn.rubika:hover{background:#7b3ff2}
.contact-handle{margin-top:1.6rem;color:var(--muted);font-size:.92rem}

/* ---------- Footer ---------- */
.footer{margin-top:4rem;padding:3rem 1.5rem 1.5rem;background:linear-gradient(180deg,transparent,rgba(20,30,60,.04));border-top:1px solid var(--line)}
.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:.85rem}
.footer-brand strong{display:block;font-size:1.08rem;font-weight:700}
.footer-brand span{color:var(--muted);font-size:.88rem}
.footer-nav{display:flex;gap:1.4rem;flex-wrap:wrap}
.footer-nav a{color:var(--ink-soft);font-size:.94rem;transition:color .25s}
.footer-nav a:hover{color:var(--indigo)}
.footer-actions{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}
.footer-action{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:.55rem 1.15rem;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-weight:700;font-size:.92rem;color:var(--ink-soft);transition:transform .3s var(--ease),box-shadow .3s var(--ease),color .3s}
.footer-action.primary{color:#fff;background:var(--grad);border-color:transparent;box-shadow:0 10px 24px rgba(99,102,241,.25)}
.footer-action:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:var(--indigo)}
.footer-action.primary:hover{color:#fff}
.footer-social{display:flex;gap:.7rem}
.footer-social a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--ink-soft);box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),color .3s}
.footer-social svg{width:18px;height:18px}
.footer-social a:hover{transform:translateY(-3px);color:var(--indigo)}
.copyright{text-align:center;color:var(--muted);font-size:.88rem;margin-top:2rem;border-top:1px solid var(--line);padding-top:1.4rem;max-width:var(--maxw);margin-left:auto;margin-right:auto}

/* ---------- Back to top ---------- */
#back-to-top{position:fixed;inset-inline-start:1.4rem;bottom:1.4rem;width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(99,102,241,.4);opacity:0;visibility:hidden;transform:translateY(20px);transition:.4s var(--ease);z-index:800}
#back-to-top svg{width:22px;height:22px}
#back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
#back-to-top:hover{transform:translateY(-4px) scale(1.05)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:7rem}
  .hero-sub{margin-inline:auto}
  .hero-cta,.hero-stats{justify-content:center}
  .hero-visual{order:-1;margin-bottom:1rem}
  .about-grid{grid-template-columns:1fr;gap:2.2rem}
  .about-photo{margin:0 auto}
  .timeline{grid-template-columns:repeat(2,1fr);gap:1.6rem 1.2rem}
  .timeline::before{display:none}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .section{padding:5rem 1.2rem}
  .nav-toggle{display:flex}
  .nav-inner{padding:.6rem 1rem}
  .nav-links{position:fixed;inset:0 auto 0 0;width:min(80%,320px);height:100dvh;flex-direction:column;justify-content:center;gap:1rem;padding:2rem;background:rgba(255,255,255,.94);backdrop-filter:blur(20px);box-shadow:20px 0 60px rgba(20,40,90,.18);transform:translateX(-100%);transition:transform .45s var(--ease)}
  .nav-links.open{transform:translateX(0)}
  .nav-link{font-size:1.15rem}
  .cards-grid,.portfolio-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero{min-height:auto;padding:6.4rem 1.1rem 3.2rem;gap:1.3rem}
  .hero-title{font-size:clamp(1.72rem,7.2vw,2.25rem);line-height:1.55}
  .grad-text{display:block;inline-size:min(100%,9.2em);min-inline-size:0;margin:.15rem auto 0}
  #typed{min-height:1.55em}
  .hero-sub{font-size:1rem;line-height:1.95;margin:1.15rem auto 1.5rem}
  .hero-cta{display:grid;grid-template-columns:1fr;justify-items:center;gap:.75rem}
  .hero-cta .btn{width:min(100%,286px);height:48px;justify-content:center;padding:.75rem 1rem}
  .hero-stats{gap:1.6rem}
  .hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem;width:100%;margin-top:2rem}
  .stat{align-items:center;min-width:0}
  .stat .num{font-size:1.7rem}
  .stat small{font-size:.76rem;line-height:1.55}
  .hero-portrait{width:min(72vw,270px)}
  .float-chip{font-size:.72rem;padding:.4rem .65rem}
  .chip-1{inset-inline-start:-2%}.chip-2{inset-inline-end:-2%}
  .contact-card{padding:2.4rem 1rem}
  .contact-email{font-size:1rem;overflow-wrap:anywhere}
  .contact-phone{width:min(100%,290px);justify-content:center}
  .social-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
  .social-btn{justify-content:center;padding:.72rem .8rem}
}

@media (max-width:768px), (hover:none){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation:none!important;
    transition:none!important;
  }
  #neural-canvas,.bg-blobs,.scroll-hint{display:none!important}
  #typed{border-inline-end:3px solid var(--violet)}
  .hero-grid{opacity:.28}
  .hero-visual,.hero-portrait,.hero-portrait img,.hero-portrait-glow{transform:none!important;animation:none!important}
  .hero-portrait img{box-shadow:0 16px 42px rgba(28,46,92,.14)}
  .hero-portrait::before{
    display:block!important;
    animation:spin 26s linear infinite!important;
    transform-origin:center!important;
  }
  .hero-portrait-glow{display:none!important}
  .float-chip{
    display:inline-flex!important;
    align-items:center;
    justify-content:center;
    max-width:155px;
    min-height:32px;
    padding:.38rem .58rem;
    border-radius:999px;
    background:rgba(255,255,255,.92);
    border:1px solid rgba(16,30,60,.12);
    box-shadow:0 8px 22px rgba(28,46,92,.10);
    font-size:.66rem;
    line-height:1.45;
    white-space:nowrap;
    backdrop-filter:none!important;
    animation:none!important;
  }
  .chip-1{top:5%;inset-inline-start:-.4rem}
  .chip-2{bottom:18%;inset-inline-end:-.55rem}
  .chip-3{bottom:-.4rem;left:50%;right:auto;transform:translateX(-50%)!important}
  .nav-links{background:rgba(255,255,255,.97);backdrop-filter:none;transition:transform .25s var(--ease)!important}
  #navbar.scrolled{background:rgba(255,255,255,.95);backdrop-filter:none}
  .nav-logo img{height:50px!important;width:auto!important;max-width:150px!important;transform:none!important}
  .glass-card,.p-card,.contact-card,.btn-ghost,.float-chip{backdrop-filter:none!important}
  .glass-card::after,.p-card::after{display:none}
  .glass-card,.p-card,.contact-card{
    background:rgba(255,255,255,.88);
    box-shadow:0 8px 24px rgba(28,46,92,.08);
  }
  .btn:hover,.nav-logo:hover img,.nav-cta:hover,.contact-email:hover,.contact-phone:hover,.social-btn:hover,.footer-social a:hover,#back-to-top:hover,
  .footer-action:hover,.glass-card:hover,.glass-card:focus-visible,.p-card:hover,.p-card:focus-visible{
    transform:none!important;
  }
  .reveal,.reveal.in{opacity:1!important;transform:none!important;transition:none!important}
  .footer{margin-top:2rem;padding:2.4rem 1rem 1.2rem}
  .footer-inner{display:grid;grid-template-columns:1fr;justify-items:center;text-align:center;gap:1.25rem}
  .footer-brand{justify-content:center}
  .footer-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;width:100%;max-width:360px}
  .footer-nav a{display:flex;align-items:center;justify-content:center;min-height:40px;padding:.55rem .75rem;border:1px solid var(--line);border-radius:999px;background:#fff;box-shadow:var(--shadow-sm);font-size:.88rem}
  .footer-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;width:100%;max-width:360px}
  .footer-action{min-height:42px;padding:.55rem .8rem}
  .footer-social{justify-content:center}
}
@media (min-width:1500px){:root{--maxw:1280px}}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  #neural-canvas,.blob{display:none}
}

/* ---------- Accessibility focus ---------- */
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:6px}