/* RayBic — raybic.com
   One dark theme, committed. Tokens first, then layout, then components.
   Every breakpoint collapses to a single column at 760px. */

:root{
  --bg:#070b16;
  --bg-2:#0b1120;
  --bg-3:#0e1526;
  --card:rgba(255,255,255,.035);
  --card-hi:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-hi:rgba(255,255,255,.16);
  --fg:#eef2f9;
  --muted:#93a0b8;
  --muted-2:#6b7994;
  --accent:#4da3ff;
  --accent-2:#7c5cff;
  --ray:linear-gradient(135deg,#4da3ff 0%,#7c5cff 100%);
  --radius:16px;
  --radius-lg:22px;
  --wrap:1160px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;letter-spacing:-.005em;
  overflow-x:hidden;
}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.03em;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.wrap.narrow{max-width:800px}
.center{text-align:center}

.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#04070f;
  padding:12px 18px;border-radius:0 0 10px 0;font-weight:600;z-index:200}
.skip:focus{left:0}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ── Header ────────────────────────────────────────────── */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,22,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.site-header.stuck{border-bottom-color:var(--line);background:rgba(7,11,22,.9)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;flex:0 0 auto}
.brand-name{font-weight:800;font-size:1.22rem;letter-spacing:-.04em}
.brand-name span{background:var(--ray);-webkit-background-clip:text;background-clip:text;color:transparent}

.nav{display:flex;gap:4px;margin-left:auto}
.nav a{
  padding:9px 14px;border-radius:10px;font-size:.93rem;font-weight:500;color:var(--muted);
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--fg);background:var(--card-hi)}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.tel{font-variant-numeric:tabular-nums}

.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:var(--card);
  border-radius:11px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.burger span{display:block;width:16px;height:1.5px;background:var(--fg);border-radius:2px;transition:transform .3s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ── Buttons ───────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-weight:600;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--ray);color:#050912;box-shadow:0 8px 24px -10px rgba(77,163,255,.7)}
.btn-solid:hover{box-shadow:0 14px 34px -10px rgba(124,92,255,.75);transform:translateY(-2px)}
.btn-line{border-color:var(--line-hi);color:var(--fg);background:transparent}
.btn-line:hover{background:var(--card-hi);border-color:var(--fg)}
.btn-ghost{color:var(--muted);padding-inline:12px}
.btn-ghost:hover{color:var(--fg)}
.btn-lg{padding:15px 28px;font-size:1rem;border-radius:14px}
.btn-block{display:flex;width:100%;margin-top:20px}

/* ── Hero ──────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;padding:clamp(56px,8vw,104px) 0 clamp(48px,6vw,80px)}
.beam{
  position:absolute;inset:-40% -20% auto -20%;height:120%;pointer-events:none;
  background:
    radial-gradient(60% 50% at 20% 25%,rgba(77,163,255,.30),transparent 70%),
    radial-gradient(55% 45% at 78% 15%,rgba(124,92,255,.26),transparent 70%);
  filter:blur(10px);
}
.beam-2{inset:-60% -20% auto -20%;opacity:.7}
.grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 55% at 50% 30%,#000,transparent 75%);
  mask-image:radial-gradient(70% 55% at 50% 30%,#000,transparent 75%);
}
.hero-inner{position:relative;max-width:900px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin:0 0 22px;
  padding:7px 15px 7px 11px;border:1px solid var(--line);border-radius:999px;
  background:var(--card);font-size:.83rem;font-weight:500;color:var(--muted);letter-spacing:.01em;
}
.dot{width:7px;height:7px;border-radius:50%;background:#35d07f;box-shadow:0 0 0 3px rgba(53,208,127,.18)}
.hero h1{font-size:clamp(2.3rem,6.2vw,4.3rem);font-weight:800;margin-bottom:.38em;max-width:16ch}
.hero h1 em{font-style:normal;background:var(--ray);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(1.02rem,1.6vw,1.19rem);color:var(--muted);max-width:60ch;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.center-actions{justify-content:center}

.stats{display:flex;flex-wrap:wrap;gap:16px 56px;margin:56px 0 0;
  padding-top:34px;border-top:1px solid var(--line)}
.stats div{min-width:120px}
.stats dt{font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:800;letter-spacing:-.04em;
  background:var(--ray);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats dd{margin:2px 0 0;font-size:.88rem;color:var(--muted-2);max-width:22ch;line-height:1.45}

/* ── Sections ──────────────────────────────────────────── */
.section{padding:clamp(64px,8.5vw,112px) 0;position:relative}
.section-alt{background:var(--bg-2);border-block:1px solid var(--line)}
.sec-head{max-width:640px;margin-bottom:52px}
.kicker{font-size:.79rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin:0 0 14px}
.sec-head h2{font-size:clamp(1.75rem,3.9vw,2.7rem);font-weight:800}
.sec-sub{color:var(--muted);margin:0;font-size:1.02rem}
.center .sec-head{margin-inline:auto}

/* ── Service cards ─────────────────────────────────────── */
.cards{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(288px,1fr))}
.card{
  position:relative;padding:30px 28px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--card);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:radial-gradient(70% 60% at 50% 0%,rgba(77,163,255,.14),transparent 70%);
  transition:opacity .35s;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-hi);background:var(--card-hi)}
.card:hover::after{opacity:1}
.ico{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:13px;background:var(--ray);margin-bottom:18px;
  box-shadow:0 10px 26px -12px rgba(124,92,255,.85);
}
.ico svg{width:23px;height:23px;fill:none;stroke:#070b16;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.14rem;margin-bottom:.5em}
.card p{color:var(--muted);font-size:.945rem;margin:0;line-height:1.66}

/* ── Split / approach ──────────────────────────────────── */
.split{display:grid;gap:clamp(32px,5vw,64px);grid-template-columns:1.25fr .85fr;align-items:start}
.split-copy h2{font-size:clamp(1.75rem,3.6vw,2.55rem);font-weight:800;max-width:16ch}
.split-copy > p{color:var(--muted);max-width:56ch}
.ticks{margin-top:30px;display:grid;gap:15px}
.ticks li{position:relative;padding-left:34px;color:var(--muted);font-size:.96rem;line-height:1.62}
.ticks li strong{color:var(--fg);font-weight:600}
.ticks li::before{
  content:"";position:absolute;left:0;top:4px;width:21px;height:21px;border-radius:7px;
  background:var(--ray);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9.6 16.2 5.4 12l-1.4 1.4 5.6 5.6L20.4 8.2 19 6.8z'/%3E%3C/svg%3E") center/100% no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9.6 16.2 5.4 12l-1.4 1.4 5.6 5.6L20.4 8.2 19 6.8z'/%3E%3C/svg%3E") center/100% no-repeat;
}
.panel{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--bg-3);
  padding:28px 26px;box-shadow:var(--shadow);position:sticky;top:96px;
}
.panel-row{display:flex;justify-content:space-between;align-items:baseline;gap:18px;
  padding:13px 0;border-bottom:1px dashed var(--line)}
.panel-row:last-of-type{border-bottom:0}
.panel-row span{color:var(--muted-2);font-size:.85rem;flex:0 0 auto}
.panel-row strong{font-weight:600;font-size:.92rem;text-align:right}

/* ── Process ───────────────────────────────────────────── */
.steps{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));counter-reset:s}
.steps li{position:relative;padding:32px 28px;border:1px solid var(--line);
  border-radius:var(--radius-lg);background:var(--card)}
.step-n{display:block;font-size:.86rem;font-weight:800;letter-spacing:.1em;color:var(--accent);margin-bottom:16px}
.steps h3{font-size:1.2rem}
.steps p{color:var(--muted);font-size:.945rem;margin:0}

/* ── FAQ ───────────────────────────────────────────────── */
.faq{display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--card);
  transition:border-color .25s,background .25s}
.faq details[open]{border-color:var(--line-hi);background:var(--card-hi)}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 54px 19px 22px;position:relative;
  font-weight:600;font-size:1.01rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:11px;height:11px;margin-top:-6px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .28s var(--ease),border-color .25s;
}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--accent)}
.faq p{margin:0;padding:0 24px 22px;color:var(--muted);font-size:.95rem;max-width:68ch}

/* ── Contact band ──────────────────────────────────────── */
.contact{overflow:hidden;background:var(--bg-2);border-top:1px solid var(--line)}
.contact h2{font-size:clamp(1.8rem,4.2vw,2.9rem);font-weight:800}
.contact .lede{margin-inline:auto}
.contact .wrap{position:relative}

/* ── Footer ────────────────────────────────────────────── */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;gap:40px;grid-template-columns:1.6fr 1fr 1fr 1.3fr;padding-bottom:48px}
.footer-brand p{color:var(--muted-2);font-size:.92rem;margin-top:16px;max-width:30ch}
.site-footer h4{font-size:.79rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted-2);font-weight:700;margin-bottom:16px}
.site-footer li{margin-bottom:9px}
.site-footer a{color:var(--muted);font-size:.93rem;transition:color .2s}
.site-footer a:hover{color:var(--fg)}
.site-footer address{font-style:normal;color:var(--muted);font-size:.93rem;line-height:1.75}
.coreg{color:var(--muted-2);font-size:.85rem;margin-top:14px;line-height:1.6}
.coreg strong{color:var(--muted);font-weight:600}
.footer-base{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  align-items:center;padding-block:22px;border-top:1px solid var(--line)}
.footer-base p{margin:0;color:var(--muted-2);font-size:.85rem}

/* ── Scroll reveal ─────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width:1020px){
  .nav{display:none}
  .burger{display:flex}
  .header-cta .tel{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .panel{position:static}
}
@media (max-width:760px){
  .wrap{padding-inline:20px}
  .header-inner{height:64px;gap:14px}
  .header-cta{margin-left:auto}
  .header-cta .btn-solid{padding:10px 15px;font-size:.88rem}

  /* Mobile menu: the nav becomes a sheet under the header. */
  .nav{
    display:flex;position:fixed;left:0;right:0;top:64px;flex-direction:column;gap:2px;
    background:rgba(7,11,22,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:14px 20px 22px;margin:0;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .25s,transform .25s var(--ease),visibility .25s;
  }
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:13px 12px;font-size:1rem;border-radius:10px}

  .hero{padding-top:52px}
  .stats{gap:22px 36px;margin-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-base{justify-content:flex-start}
  .btn-lg{padding:14px 22px;width:100%}
  .hero-actions{gap:10px}
}