/* ===== Merquix — AI Consulting ===== */
:root{
  --ink:#0a0a0a;
  --ink-2:#1c1c1e;
  --gray-1:#6b6b70;
  --gray-2:#9a9aa0;
  --line:#e6e6e8;
  --line-2:#f0f0f2;
  --bg:#ffffff;
  --bg-alt:#fafafa;
  --radius:14px;
  --maxw:1160px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"Inter","Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:12px;top:12px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:500;font-size:.95rem;letter-spacing:.01em;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2)}
.btn-light{background:#fff;color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn-block{width:100%}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{display:inline-flex}
.brand-name{font-weight:600;font-size:1.15rem;letter-spacing:-.01em}
.site-nav{display:flex;gap:30px;margin-left:auto}
.site-nav a{font-size:.95rem;color:var(--gray-1);position:relative;transition:color .2s var(--ease)}
.site-nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--ink);transition:width .28s var(--ease)}
.site-nav a:hover{color:var(--ink)}
.site-nav a:hover::after{width:100%}
.btn-nav{margin-left:6px}

/* ===== Eyebrow / heads ===== */
.eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gray-2);font-weight:600;margin-bottom:16px;
}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.06;letter-spacing:-.03em;font-weight:650}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.12;letter-spacing:-.02em;font-weight:640}
h3{font-size:1.15rem;letter-spacing:-.01em;font-weight:600}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:640px;margin-bottom:56px}
.section-sub{color:var(--gray-1);margin-top:14px;font-size:1.05rem}

/* ===== Hero ===== */
.hero{padding:80px 0 88px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-copy .lead{color:var(--gray-1);font-size:1.15rem;margin:22px 0 34px;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:52px;padding-top:32px;border-top:1px solid var(--line)}
.hero-stats dt{font-size:1.8rem;font-weight:650;letter-spacing:-.02em}
.hero-stats dd{color:var(--gray-2);font-size:.9rem;margin-top:2px}
.hero-visual{position:relative}
.hero-visual img{
  border-radius:var(--radius);object-fit:cover;width:100%;height:560px;
  filter:grayscale(.15);box-shadow:0 30px 70px -40px rgba(0,0,0,.4);
}

/* ===== Trust strip ===== */
.strip{border-bottom:1px solid var(--line);background:var(--bg)}
.strip-inner{display:flex;align-items:center;gap:36px;padding:26px 0;flex-wrap:wrap}
.strip-inner span{color:var(--gray-2);font-size:.85rem;letter-spacing:.02em}
.strip-inner ul{display:flex;gap:34px;list-style:none;flex-wrap:wrap}
.strip-inner li{color:var(--gray-1);font-weight:600;font-size:.95rem;letter-spacing:-.01em}

/* ===== Grids ===== */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{border-color:var(--ink);transform:translateY(-4px);box-shadow:0 20px 40px -30px rgba(0,0,0,.35)}
.card-num{font-size:.8rem;color:var(--gray-2);font-weight:700;letter-spacing:.08em}
.card h3{margin:14px 0 10px}
.card p{color:var(--gray-1);font-size:.95rem}

/* ===== Split ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-visual img{border-radius:var(--radius);height:440px;object-fit:cover;width:100%;filter:grayscale(.2)}
.check-list{list-style:none;margin:24px 0 32px;display:grid;gap:16px}
.check-list li{padding-left:30px;position:relative;color:var(--gray-1)}
.check-list li strong{color:var(--ink);font-weight:600}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg);
}

/* ===== Steps ===== */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{border-top:2px solid var(--ink);padding-top:22px}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;
  font-weight:600;font-size:.9rem;margin-bottom:16px;
}
.steps h3{margin-bottom:8px}
.steps p{color:var(--gray-1);font-size:.95rem}

/* ===== Pricing ===== */
.pricing .price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 28px;display:flex;flex-direction:column;position:relative;
  transition:border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.price-card:hover{transform:translateY(-4px);box-shadow:0 24px 48px -34px rgba(0,0,0,.35)}
.price-card.featured{border-color:var(--ink);box-shadow:0 24px 50px -34px rgba(0,0,0,.4)}
.price-card .tag{
  position:absolute;top:-12px;left:28px;background:var(--ink);color:#fff;
  font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px;
}
.price-card h3{margin-bottom:14px}
.price{font-size:2.3rem;font-weight:650;letter-spacing:-.03em;line-height:1}
.price span{font-size:.9rem;color:var(--gray-2);font-weight:500;margin-right:4px}
.price small{font-size:.95rem;color:var(--gray-1);font-weight:500}
.price-note{color:var(--gray-2);font-size:.85rem;margin:6px 0 22px}
.price-card ul{list-style:none;display:grid;gap:12px;margin-bottom:26px;flex:1}
.price-card li{padding-left:24px;position:relative;color:var(--gray-1);font-size:.95rem}
.price-card li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:6px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg)}
.pricing-foot{color:var(--gray-1);margin-top:32px;font-size:.95rem;max-width:640px}
.pricing-foot a{border-bottom:1px solid var(--line)}
.pricing-foot a:hover{border-color:var(--ink)}

/* ===== CTA banner ===== */
.cta-banner{background:var(--ink);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff}
.cta-inner p{color:var(--gray-2);margin-top:8px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:start}
.contact-list{list-style:none;margin-top:32px;display:grid;gap:22px}
.contact-list li{display:grid;gap:4px}
.c-label{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gray-2);font-weight:600}
.contact-list a{font-size:1.05rem;transition:color .2s var(--ease)}
.contact-list a:hover{color:var(--gray-1)}
.contact-list address{font-style:normal;color:var(--ink)}
.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;display:grid;gap:18px;
}
.field{display:grid;gap:7px}
.field label{font-size:.85rem;font-weight:600;color:var(--ink-2)}
.field .opt{color:var(--gray-2);font-weight:400}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.95rem;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(10,10,10,.06);
}
.field textarea{resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--gray-1)}
.consent input{margin-top:3px;accent-color:var(--ink)}
.consent a{border-bottom:1px solid var(--line)}
.consent a:hover{border-color:var(--ink)}
.form-status{font-size:.9rem;min-height:1em}
.form-status.ok{color:#1a7f37}
.form-status.err{color:#b42318}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{color:var(--gray-2);font-size:.9rem;margin-top:16px;max-width:280px}
.footer-col h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gray-2);margin-bottom:16px;font-weight:600}
.footer-col a{display:block;color:#d4d4d8;font-size:.92rem;margin-bottom:10px;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-col address{font-style:normal;color:var(--gray-2);font-size:.9rem;margin-top:10px}
.footer-bottom{display:flex;justify-content:space-between;padding-top:28px;margin-top:44px;border-top:1px solid rgba(255,255,255,.12);color:var(--gray-2);font-size:.85rem;flex-wrap:wrap;gap:10px}

/* ===== Cookie banner ===== */
.cookie-banner{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:150;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.45);
  animation:cookieUp .5s var(--ease);
}
@keyframes cookieUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px;max-width:var(--maxw);margin:0 auto;flex-wrap:wrap}
.cookie-inner p{font-size:.9rem;color:var(--gray-1);flex:1;min-width:260px}
.cookie-inner a{border-bottom:1px solid var(--line)}
.cookie-inner a:hover{border-color:var(--ink)}
.cookie-actions{display:flex;gap:10px}

/* ===== Legal pages ===== */
.legal{padding:64px 0 96px}
.legal-head{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:40px}
.legal-head .eyebrow{margin-bottom:12px}
.legal-body{max-width:760px}
.legal-body h2{font-size:1.35rem;margin:38px 0 14px}
.legal-body h3{font-size:1.05rem;margin:24px 0 10px}
.legal-body p,.legal-body li{color:var(--gray-1);margin-bottom:12px}
.legal-body ul,.legal-body ol{padding-left:22px;margin-bottom:16px}
.legal-body a{color:var(--ink);border-bottom:1px solid var(--line)}
.legal-body a:hover{border-color:var(--ink)}
.legal-updated{color:var(--gray-2);font-size:.9rem}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:var(--gray-1);margin-bottom:24px}
.back-link:hover{color:var(--ink)}

/* ===== Responsive ===== */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1}
  .hero-visual img{height:360px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .site-nav{display:none}
  .section{padding:64px 0}
  .hero-stats{gap:26px;flex-wrap:wrap}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .cookie-inner{flex-direction:column;align-items:flex-start}
  .cookie-actions{width:100%}
  .cookie-actions .btn{flex:1}
}