/* Techpik — modern one-page portfolio */
:root{
  --bg:#0b0d10; --bg2:#101318; --card:#14181f; --line:rgba(255,255,255,.08);
  --txt:#e8eaed; --mut:#9aa3ad; --acc:#ff451b; --acc2:#ff6a42;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Mulish',sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:'Poppins',sans-serif;line-height:1.25}
.container{width:min(1140px,92%);margin-inline:auto}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;padding:14px 0;transition:.3s;background:transparent}
.nav.scrolled{background:rgba(11,13,16,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand img{height:38px;width:auto}
.menu{display:flex;align-items:center;gap:26px;list-style:none;font-weight:600;font-size:.95rem}
.menu a{color:var(--mut);transition:.2s}
.menu a.btn{color:#fff}
.menu a.btn:hover{color:#fff}
.menu a:hover{color:var(--txt)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:24px;height:2px;background:var(--txt);margin:5px 0;border-radius:2px;transition:.3s}

/* buttons */
.btn{display:inline-block;background:var(--acc);color:#fff;font-family:'Poppins',sans-serif;font-weight:600;font-size:.95rem;padding:13px 30px;border-radius:10px;border:0;cursor:pointer;transition:.25s}
.btn:hover{background:var(--acc2);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,69,27,.35)}
.btn-sm{padding:9px 20px;font-size:.85rem}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn.ghost:hover{border-color:var(--acc);color:var(--acc);box-shadow:none}
.service .btn.ghost{border-color:var(--acc);color:var(--acc)}
.service .btn.ghost:hover{background:var(--acc);color:#fff}

/* hero */
.hero{min-height:100svh;display:flex;align-items:center;padding:120px 0 60px;
  background:radial-gradient(700px 400px at 80% -10%,rgba(255,69,27,.14),transparent),radial-gradient(500px 350px at -10% 110%,rgba(255,69,27,.08),transparent)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.kicker{color:var(--acc);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);font-weight:800;margin:8px 0 4px}
.hero h1 em{font-style:normal;color:var(--acc)}
.hero-role{font-size:clamp(1rem,2vw,1.3rem);color:var(--txt);font-weight:600;margin-bottom:14px}
.hero-copy p{color:var(--mut);max-width:52ch}
.hero-actions{display:flex;gap:14px;margin:28px 0 22px;flex-wrap:wrap}
.socials{display:flex;gap:12px}
.socials a{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;transition:.25s}
.socials a:hover{border-color:var(--acc);transform:translateY(-3px)}
.socials img{width:18px;height:18px;filter:invert(1) brightness(1.6)}
.hero-photo{position:relative}
.hero-photo::before{content:"";position:absolute;inset:-14px;border:1px solid var(--line);border-radius:24px;transform:rotate(3deg)}
.hero-photo img{border-radius:24px;width:100%;aspect-ratio:4/4.6;object-fit:cover;box-shadow:0 30px 60px rgba(0,0,0,.5)}

/* stats */
.stats{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats strong{display:block;font-family:'Poppins',sans-serif;font-size:1.9rem;color:var(--acc)}
.stats span{color:var(--mut);font-size:.9rem}

/* sections */
.section{padding:96px 0}
.section.alt{background:var(--bg2)}
.section-head span{color:var(--acc);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}
.section-head h3{font-size:clamp(1.6rem,3.4vw,2.4rem);margin:6px 0 0}
.center-note{text-align:center;color:var(--mut);margin:18px auto 36px;max-width:60ch}

/* about */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;margin-top:44px;align-items:start}
.about-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px}
.details{list-style:none;display:grid;gap:16px}
.details h4{font-size:.75rem;color:var(--acc);text-transform:uppercase;letter-spacing:.1em}
.details p,.details a{color:var(--mut);font-size:.95rem}
.details a:hover{color:var(--acc)}
.about-text .lead{font-size:1.25rem;font-weight:600;color:var(--txt);margin-bottom:14px}
.about-text p{color:var(--mut);margin-bottom:22px}

/* resume */
.resume-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.timeline h4{margin-bottom:18px;color:var(--txt)}
.timeline article{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:12px;padding:18px 20px;margin-bottom:14px;transition:.25s}
.timeline article:hover{transform:translateX(4px);border-left-color:var(--acc2)}
.timeline h5{font-size:1rem}
.timeline p{color:var(--mut);font-size:.88rem}
.timeline time{font-size:.78rem;color:var(--acc);font-weight:700}

/* portfolio */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:34px 0 30px}
.chip{background:var(--card);border:1px solid var(--line);color:var(--mut);padding:9px 20px;border-radius:99px;font-family:'Poppins',sans-serif;font-size:.85rem;font-weight:600;cursor:pointer;transition:.25s}
.chip:hover{color:var(--txt);border-color:var(--acc)}
.chip.current{background:var(--acc);border-color:var(--acc);color:#fff}
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--card)}
.work img{width:100%;height:100%;object-fit:cover;transition:.45s}
.work:hover img{transform:scale(1.06)}
.cap{position:absolute;inset:auto 0 0;padding:34px 18px 16px;background:linear-gradient(transparent,rgba(5,6,8,.92));opacity:0;transform:translateY(8px);transition:.3s}
.work:hover .cap,.work:focus-visible .cap{opacity:1;transform:none}
.cap b{display:block;font-family:'Poppins',sans-serif;font-size:1rem}
.cap i{font-style:normal;color:var(--acc);font-size:.82rem;font-weight:700}
.work.hide{display:none}
.work-grid.cols2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.work-grid.cols2{grid-template-columns:1fr}}

/* highlights from live projects */
.hl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}
.hl{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#fff}
.hl img{width:100%;height:100%;object-fit:cover;object-position:top;transition:.5s}
.hl:hover img{transform:scale(1.04)}
.hl .cap{opacity:1;transform:none;padding:40px 18px 14px;background:linear-gradient(transparent,rgba(5,6,8,.9))}
@media(max-width:900px){.hl-grid{grid-template-columns:1fr}}
.section-head small{display:block;color:var(--mut);font-weight:400;font-size:.92rem;letter-spacing:0;text-transform:none;margin-top:8px}

/* services */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;transition:.25s;display:flex;flex-direction:column;gap:12px}
.service:hover{transform:translateY(-5px);border-color:rgba(255,69,27,.45)}
.service img{width:34px;height:34px}
.service h4{font-size:1.05rem}
.service p{color:var(--mut);font-size:.92rem;flex-grow:1}

/* contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;margin-top:44px}
.c-item{border-left:3px solid var(--acc);padding:4px 0 4px 18px;margin-bottom:24px}
.c-item h4{font-size:1rem;margin-bottom:4px}
.c-item p,.c-item a{color:var(--mut);font-size:.95rem}
.c-item a:hover{color:var(--acc)}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;gap:16px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--txt);padding:13px 16px;font-family:'Mulish',sans-serif;font-size:.95rem;outline:none;transition:.2s}
.contact-form :is(input,select,textarea):focus{border-color:var(--acc)}
.contact-form textarea{resize:vertical}
.form-note{font-size:.8rem;color:var(--mut)}

/* footer */
.footer{border-top:1px solid var(--line);padding:26px 0;text-align:center;color:var(--mut);font-size:.9rem}
.footer a{color:var(--acc)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:900px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .resume-grid,.service-grid{grid-template-columns:1fr 1fr}
  .work-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .hero-photo{order:-1;max-width:340px}
  .menu{position:fixed;top:64px;right:-100%;flex-direction:column;background:var(--bg2);width:min(320px,80%);height:100vh;padding:40px 30px;gap:22px;transition:.35s;border-left:1px solid var(--line)}
  .menu.open{right:0}
  .burger{display:block}
}
@media(max-width:560px){
  .resume-grid,.service-grid,.work-grid,.f-row{grid-template-columns:1fr}
  .section{padding:70px 0}
}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}@media(max-width:1040px){.review-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.review-grid{grid-template-columns:1fr}}
.review-summary{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px 24px;flex-wrap:wrap}
.review-summary strong{font-family:'Poppins',sans-serif;font-size:2.2rem;color:var(--acc);line-height:1}
.review-summary b{display:block;font-family:'Poppins',sans-serif}
.review-summary small{color:var(--mut)}
.rs-actions{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap}
#reviews .section-head h3{margin-bottom:20px}
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px}
.wa-label{background:#fff;color:#111;font-family:'Poppins',sans-serif;font-weight:600;font-size:.8rem;padding:8px 14px;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.3)}
.wa-btn{position:relative;width:56px;height:56px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(37,211,102,.45);transition:.25s}
.wa-btn svg{width:28px;height:28px;fill:#fff}
.wa-float:hover .wa-btn{transform:scale(1.08)}
.wa-btn::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(37,211,102,.7);animation:waPulse 1.8s infinite}
@keyframes waPulse{0%{transform:scale(1);opacity:.9}100%{transform:scale(1.6);opacity:0}}
@media(max-width:640px){.wa-label{display:none}}
.review{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:14px;transition:.25s}
.review:hover{transform:translateY(-5px);border-color:rgba(255,69,27,.45)}
.review .stars{color:var(--acc);letter-spacing:3px;font-size:.95rem}
.review .stars i{color:rgba(255,255,255,.18);font-style:normal}
.review p{color:var(--txt);font-size:.95rem;flex-grow:1}
.r-who{display:flex;align-items:center;gap:12px}
.r-ava{width:40px;height:40px;border-radius:50%;background:rgba(255,69,27,.15);color:var(--acc);display:flex;align-items:center;justify-content:center;font-family:'Poppins',sans-serif;font-weight:700;font-size:.8rem;flex-shrink:0}
.r-name strong{display:block;font-family:'Poppins',sans-serif;font-size:.92rem}
.r-name small{color:var(--mut);font-size:.78rem}