/* infidea — landing (quote request)
   Built on tokens.css (colors_and_type). Vanilla CSS, no framework. */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--fg-1);background:var(--surface);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img{display:block;max-width:100%}
::selection{background:var(--brand-red);color:#fff}

.container{max-width:1160px;margin:0 auto;padding-left:max(28px,env(safe-area-inset-left));padding-right:max(28px,env(safe-area-inset-right))}
.eyebrow{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;font-weight:600;text-transform:uppercase;color:var(--brand-red);display:inline-block}
.eyebrow.on-dark{color:var(--brand-glow)}
.opt{color:var(--fg-3);font-weight:400;font-family:var(--font-mono);font-size:11px}

/* ---------- buttons ---------- */
.btn{font-family:var(--font-body);font-weight:600;font-size:15px;border-radius:10px;padding:12px 22px;border:1px solid transparent;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;transition:transform .14s cubic-bezier(.2,.7,.2,1),background .14s,box-shadow .2s,opacity .14s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand-red);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{background:var(--brand-red-hover);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--fg-1);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink-400)}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost.on-dark:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.06)}
.btn-lg{font-size:16px;padding:14px 26px}
.btn-block{width:100%;justify-content:center;margin-top:8px}

/* ---------- header ---------- */
.hdr{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.hdr-logo{display:flex;align-items:center}
.hdr-logo img{height:38px}
.logo-dark{display:none}
.logo-light{display:block}
.hdr.scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom-color:var(--line-1)}
.hdr.scrolled .logo-dark{display:block}
.hdr.scrolled .logo-light{display:none}
.hdr.scrolled .nav a{color:var(--fg-2)}
.hdr.scrolled .nav a:hover{color:var(--fg-1)}
.hdr.scrolled .lang-btn{color:var(--fg-3)}
.hdr.scrolled .lang-btn.is-active{color:var(--fg-1)}
.hdr.scrolled .lang-sep{color:var(--line-2)}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;font-weight:500;color:rgba(255,255,255,.85);transition:color .14s}
.nav a:hover{color:#fff}
.hdr-actions{display:flex;align-items:center;gap:18px}
.lang{display:flex;align-items:center;gap:6px}
.lang-btn{background:none;border:none;font-family:var(--font-mono);font-size:13px;font-weight:600;color:rgba(255,255,255,.6);padding:2px;transition:color .14s}
.lang-btn.is-active{color:#fff}
.lang-sep{color:rgba(255,255,255,.4);font-size:13px}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background-color:var(--brand-red);background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px),linear-gradient(135deg,var(--brand-pink) 0%,var(--red-800) 100%);background-size:22px 22px,auto}
.hero-glow{position:absolute;right:-160px;top:-150px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.20),transparent 60%);pointer-events:none}
.infinity-bg{position:absolute;left:-60px;bottom:-180px;font-family:var(--font-display);font-weight:700;font-size:420px;line-height:1;color:rgba(255,255,255,.07);pointer-events:none;user-select:none}
/* floating background particles */
.hero-particles{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.hero-particles .p{position:absolute;display:block;will-change:transform;animation:drift var(--dur,10s) ease-in-out infinite alternate}
.hero-particles .inf{font-family:var(--font-display);font-weight:700;line-height:1;color:rgba(255,255,255,.16)}
.hero-particles .inf::before{content:"∞"}
.hero-particles .dot{border-radius:50%;background:rgba(255,255,255,.22)}
.hero-particles .ring{border-radius:50%;border:2px solid rgba(255,255,255,.20)}
@keyframes drift{from{transform:translate(0,0) rotate(0deg)}to{transform:translate(var(--dx,0),var(--dy,0)) rotate(var(--dr,0deg))}}
.hero .eyebrow{color:#FFE0E7}
.hero-inner{position:relative;z-index:1;padding-top:150px;padding-bottom:116px;max-width:860px}
.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,6.2vw,68px);line-height:1.03;letter-spacing:-.025em;color:#fff;margin:22px 0 0}
.hero h1 .accent{color:var(--ink-900)}
.hero p{font-size:clamp(17px,2.2vw,20px);line-height:1.55;color:rgba(255,255,255,.9);max-width:620px;margin:24px 0 0}
.hero-cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero .hero-cta .btn-primary{background:#fff;color:var(--brand-red);box-shadow:0 10px 28px rgba(120,4,28,.3)}
.hero .hero-cta .btn-primary:hover{background:#fff;opacity:.92}
.hero-meta{display:flex;gap:28px;margin-top:52px;flex-wrap:wrap}
.hero-meta .m{font-family:var(--font-mono);font-size:13px;color:rgba(255,255,255,.88)}

/* ---------- section scaffold ---------- */
.section{padding:96px 0}
.section.tight{padding:76px 0}
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head h2{font-family:var(--font-display);font-weight:700;font-size:clamp(30px,3.6vw,42px);line-height:1.1;letter-spacing:-.02em;margin:14px 0 0}
.sec-head p{font-size:18px;line-height:1.55;color:var(--fg-2);margin:16px 0 0}
.sec-head.on-dark h2{color:#fff}
.sec-head.on-dark p{color:rgba(255,255,255,.78)}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{background:#fff;border:1px solid var(--line-1);border-radius:14px;padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.svc::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-red);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.svc.feat::before,.svc:hover::before{transform:scaleX(1)}
.svc-ico{width:50px;height:50px;border-radius:12px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:24px}
.svc.feat .svc-ico{background:var(--red-50)}
.svc h3{font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:-.01em;margin-bottom:8px}
.svc p{font-size:14.5px;line-height:1.55;color:var(--fg-2)}
.svc .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.svc .tag{font-family:var(--font-mono);font-size:11px;font-weight:600;padding:4px 9px;border-radius:999px;background:var(--surface-2);color:var(--fg-3)}

/* ---------- stats / why ---------- */
.stats{background:var(--ink-900);color:#fff;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:22px 22px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat .n{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,5vw,58px);line-height:1;letter-spacing:-.02em;color:#fff}
.stat .n .r{color:var(--brand-glow)}
.stat .l{font-family:var(--font-mono);font-size:13px;color:var(--fg-on-dark-2);margin-top:12px}

/* ---------- process steps (dark) ---------- */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:26px 26px 26px 0;border-top:2px solid rgba(255,255,255,.18);position:relative;transition:border-color .2s}
.step:hover{border-top-color:var(--brand-glow)}
.step .num{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--brand-glow)}
.step h4{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:-.01em;color:#fff;margin:12px 0 8px}
.step p{font-size:14px;line-height:1.55;color:rgba(255,255,255,.7);padding-right:14px}

/* ---------- contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.contact-intro h2{font-family:var(--font-display);font-weight:700;font-size:clamp(28px,3.4vw,40px);line-height:1.1;letter-spacing:-.02em;margin:14px 0 0}
.contact-intro p{font-size:18px;line-height:1.55;color:var(--fg-2);margin:16px 0 0}
.contact-list{list-style:none;margin:28px 0 0}
.contact-list li{font-size:15px;color:var(--fg-1);padding:9px 0;font-weight:500}

.form-card{background:#fff;border:1px solid var(--line-1);border-radius:18px;padding:32px;box-shadow:var(--shadow-md)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600}
.field input,.field select,.field textarea{font-family:var(--font-body);font-size:15px;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;background:#fff;color:var(--fg-1);width:100%;transition:border-color .14s,box-shadow .14s}
.field select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%23717C8B' d='M6 8 0 0h12z'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;cursor:pointer}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-red);box-shadow:0 0 0 3px var(--focus-ring)}
.field input.invalid,.field textarea.invalid,.field select.invalid{border-color:var(--danger);box-shadow:0 0 0 3px var(--danger-bg)}
.field textarea{resize:vertical;min-height:108px}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--fg-2);line-height:1.5;margin:4px 0 6px;cursor:pointer}
.consent input{margin-top:2px;accent-color:var(--brand-red);width:16px;height:16px;flex:0 0 auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{font-size:14px;margin-top:14px;text-align:center;min-height:20px}
.form-status.err{color:var(--danger)}
.form-status.busy{color:var(--fg-3)}

.sent{text-align:center;padding:40px 10px}
.sent .ok{width:60px;height:60px;border-radius:50%;background:var(--success-bg);color:var(--success);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:30px;font-weight:700}
.sent h3{font-family:var(--font-display);font-weight:700;font-size:26px;letter-spacing:-.02em}
.sent p{font-size:15px;color:var(--fg-2);margin-top:8px}

/* ---------- footer ---------- */
.footer{background:var(--ink-900);color:var(--fg-on-dark-2);padding:56px 0}
.foot-inner{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.foot-logo img{height:34px}
.foot-tag{font-size:14.5px;color:var(--fg-on-dark-2)}
.foot-meta{display:flex;gap:24px;align-items:center;font-family:var(--font-mono);font-size:12.5px;flex-wrap:wrap;justify-content:center}
.foot-meta a:hover{color:#fff}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-particles .p{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .contact-wrap{grid-template-columns:1fr;gap:36px}
  .svc-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .proc-grid{grid-template-columns:1fr 1fr;gap:0 28px}
}
@media(max-width:720px){
  .nav{display:none}
  .hero-inner{padding-top:124px;padding-bottom:88px}
  .hero-meta{flex-direction:column;gap:10px;align-items:flex-start}
  .section{padding:72px 0}
  .infinity-bg{font-size:300px;bottom:-120px}
}
@media(max-width:520px){
  .grid2{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .hdr-actions .btn{display:none}
  .form-card{padding:24px}
  .proc-grid{grid-template-columns:1fr}
}