/* ============================================================
   AXION ELITE — Operator-grade dark design system
   ============================================================ */

:root {
  --bg:       #080C1A;
  --bg-2:     #0B1024;
  --surface:  #0F1428;
  --surface-2:#121833;
  --border:   #1A2140;
  --border-2: #232c52;
  --accent:   #FFD600;
  --accent-d: #d9b600;
  --text-1:   #F0F4FF;
  --text-2:   #8a99bd;
  --text-3:   #7A8BAE; /* ≥4.5:1 on --bg for small text (WCAG AA) */

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --wrap: 1180px;
  --r: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.65;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* subtle vignette + grain depth */
body::before {
  content:''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(255,214,0,.06), transparent 60%),
    radial-gradient(900px 600px at 0% 100%, rgba(40,60,140,.10), transparent 55%);
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }
.wrap.narrow { max-width: 860px; }

a { color: inherit; text-decoration: none; }
em { font-style: normal; color: var(--accent); }
code { font-family: var(--font-mono); font-size: .85em; color: var(--accent); background: rgba(255,214,0,.07); padding: .1em .35em; border-radius: 5px; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; letter-spacing: -.03em; line-height: 1.05; text-wrap: balance; }
.sub, .lede, .step-body p, .case-line { text-wrap: pretty; }

.eyebrow, .label {
  font-family: var(--font-mono); font-size: 12px; font-weight: 400;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 10px;
}
.label { color: var(--text-3); margin-bottom: 20px; }
.label::before { content:''; width: 26px; height: 1px; background: var(--accent); display: inline-block; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

.h2 { font-size: clamp(28px, 4vw, 46px); margin-bottom: 14px; }
.h2.center { margin-inline: auto; }
.sub { color: var(--text-2); font-size: clamp(15px, 1.6vw, 18px); max-width: 620px; font-weight: 300; }
.sub.center { margin: 0 auto; }
.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 14px; font-weight: 500;
  padding: 14px 22px; border-radius: 10px; cursor: pointer; border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s;
  white-space: nowrap;
}
.btn svg { transition: transform .25s var(--ease); }
.btn-primary { background: var(--accent); color: #0a0a12; box-shadow: 0 0 0 0 rgba(255,214,0,.5); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(255,214,0,.55); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-ghost { background: transparent; color: var(--text-1); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-sm { padding: 11px 17px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; padding: 16px; }
.btn:active, .mobile-cta:active { transform: scale(0.97); transition-duration: .1s; }

/* ---------- Scroll progress ---------- */
.scrollbar { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: var(--accent); z-index: 100; box-shadow: 0 0 10px var(--accent); }

/* ---------- Nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 90; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(8,12,26,.82); backdrop-filter: blur(14px); border-bottom-color: var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; }
.brand-logo { height: 48px; width: auto; display: block; }
.brand-name { font-family: var(--font-display); font-weight: 800; letter-spacing: .04em; font-size: 17px; }
.brand-sub { color: var(--accent); margin-left: 3px; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-family: var(--font-mono); font-size: 13px; color: var(--text-2); transition: color .2s; }
.nav-links a:hover { color: var(--text-1); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text-1); transition: .25s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 118px 0 80px; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  /* top layer: solid fade back to bg color — no mask support required */
  background-image:
    radial-gradient(700px 440px at 28% 300px, rgba(8,12,26,0) 15%, var(--bg) 72%),
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: auto, 54px 54px, 54px 54px;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-copy h1 { font-size: clamp(32px, 3.7vw, 48px); margin: 18px 0 18px; max-width: 15ch; }
.lede { color: var(--text-2); font-size: clamp(15px, 1.6vw, 17.5px); max-width: 520px; margin-bottom: 26px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-trust { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); max-width: 460px; line-height: 1.9; }
.hero-guarantee { color: var(--accent); letter-spacing: .02em; }

/* hero diagram */
.hero-diagram { background: linear-gradient(160deg, var(--surface), var(--bg-2)); border: 1px solid var(--border); border-radius: 18px; padding: 30px 26px; position: relative; }
.hero-diagram::after { content:''; position:absolute; inset:0; border-radius:18px; box-shadow: inset 0 1px 0 rgba(255,255,255,.04); pointer-events:none; }
.pipe { display: flex; flex-direction: column; gap: 0; }
.pipe-node { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: var(--bg); border: 1px solid var(--border); border-radius: 11px; transition: border-color .4s, box-shadow .4s, transform .4s; }
.pipe-node .pipe-k { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); min-width: 34px; }
.pipe-node .pipe-t { font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: -.02em; }
.pipe-node.out { border-color: rgba(255,214,0,.35); }
.pipe-node.out .pipe-k { color: var(--accent); }
.pipe-node.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 10px 30px -12px rgba(255,214,0,.5); transform: translateX(4px); }
.pipe-flow { width: 1px; height: 22px; margin-left: 35px; background: linear-gradient(var(--border), var(--border-2)); position: relative; }
.pipe-flow::after { content:''; position:absolute; left:-2px; top:0; width:5px; height:5px; border-radius:50%; background: var(--accent); opacity:0; box-shadow:0 0 8px var(--accent); }
.pipe-flow.run::after { animation: drop .9s var(--ease); }
@keyframes drop { 0%{opacity:1; top:0} 100%{opacity:0; top:22px} }
.pipe-caption { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); margin-top: 16px; letter-spacing: .1em; }

/* ---------- Trust strip ---------- */
.trust { border-block: 1px solid var(--border); background: rgba(15,20,40,.4); }
.trust-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 26px 28px; flex-wrap: wrap; }
.trust-item { display: flex; flex-direction: column; gap: 3px; }
.trust-n { font-family: var(--font-display); font-weight: 800; font-size: 22px; color: var(--text-1); }
.trust-l { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); letter-spacing: .05em; }
.trust-sep { width: 1px; height: 34px; background: var(--border); }

/* ---------- Sections ---------- */
.section { padding: 96px 0; position: relative; }
.section.alt { background: linear-gradient(180deg, transparent, rgba(13,18,40,.45), transparent); }
.section > .wrap > .reveal:first-child { margin-bottom: 46px; }

.pull { font-family: var(--font-display); font-weight: 700; font-size: clamp(20px, 2.6vw, 30px); text-align: center; line-height: 1.3; margin-top: 52px; color: var(--text-1); letter-spacing: -.02em; }

/* ---------- Cards / grids ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: 28px 24px; position: relative; overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s, background .3s;
}
.card::before { content:''; position:absolute; top:0; left:0; right:0; height:1px; background: linear-gradient(90deg, transparent, rgba(255,214,0,.4), transparent); opacity:0; transition: opacity .3s; }
.card:hover { transform: translateY(-4px); border-color: var(--border-2); background: var(--surface-2); box-shadow: 0 24px 50px -28px rgba(0,0,0,.8); }
.card:hover::before { opacity: 1; }
.card .card-icon { font-size: 24px; color: var(--accent); display: block; margin-bottom: 16px; }
.card h3 { font-size: 17px; margin-bottom: 9px; }
.card p { color: var(--text-2); font-size: 14.5px; }
/* AI layer — horizontal rows (deliberately a different shape from the problem cards) */
.ai-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 18px; }
.ai-row { display: flex; gap: 16px; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 22px 24px; transition: border-color .3s, background .3s; }
.ai-icon { flex-shrink: 0; display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(255,214,0,.35); color: var(--accent); background: rgba(255,214,0,.05); }
.ai-row h3 { font-size: 16.5px; margin-bottom: 5px; }
.ai-row p { color: var(--text-2); font-size: 14px; }

/* Services — compact checklist, not another card grid */
.svc-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; }
.svc-row { display: flex; gap: 14px; align-items: flex-start; padding: 20px 0; border-bottom: 1px solid var(--border); }
.svc-check { flex-shrink: 0; display: inline-grid; place-items: center; width: 24px; height: 24px; margin-top: 1px; border-radius: 50%; border: 1px solid var(--accent); color: var(--accent); }
.svc-row h3 { font-size: 16px; margin-bottom: 4px; }
.svc-row p { color: var(--text-2); font-size: 14px; }

/* ---------- Case studies ---------- */
.card.case { display: flex; flex-direction: column; gap: 10px; }
.case-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.card.case h3 { font-size: 18px; margin-bottom: 4px; }
.case-line { color: var(--text-2); font-size: 13.5px; line-height: 1.55; }
.case-line span { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 2px; }

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta {
  display: none; position: fixed; left: 14px; right: 14px; bottom: 14px; z-index: 80;
  align-items: center; justify-content: center; gap: 9px;
  background: var(--accent); color: #0a0a12; font-family: var(--font-mono); font-size: 14px; font-weight: 500;
  padding: 15px; border-radius: 12px; box-shadow: 0 12px 34px -8px rgba(255,214,0,.5);
  transform: translateY(120%); transition: transform .35s var(--ease);
}
.mobile-cta.show { transform: none; }

/* ---------- Focus visibility ---------- */
.btn:focus-visible, a:focus-visible, .qa summary:focus-visible, .nav-toggle:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px;
}

/* ---------- Solution ---------- */
.solution { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.solution-copy p { color: var(--text-2); font-size: 16px; margin-bottom: 16px; }
.solution-copy strong { color: var(--text-1); font-weight: 600; }
.compare { display: flex; flex-direction: column; gap: 14px; }
.compare-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 22px; }
.compare-card.on { border-color: rgba(255,214,0,.4); background: linear-gradient(160deg, rgba(255,214,0,.06), var(--surface)); }
.compare-k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 8px; }
.compare-card.on .compare-k { color: var(--accent); }
.compare-t { font-family: var(--font-display); font-weight: 700; font-size: 19px; margin-bottom: 6px; }
.compare-s { color: var(--text-2); font-size: 13.5px; }

/* ---------- Steps ---------- */
.steps { display: flex; flex-direction: column; gap: 0; border-left: 1px solid var(--border); margin-left: 6px; }
.step { display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 26px 0 26px 26px; position: relative; transition: background .3s; }
.step::before { content:''; position: absolute; left: -5px; top: 34px; width: 9px; height: 9px; border-radius: 50%; background: var(--border-2); transition: background .3s, box-shadow .3s; }
.step:hover::before { background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.step + .step { border-top: 1px solid var(--border); }
.step-n { font-family: var(--font-display); font-weight: 800; font-size: 30px; color: var(--text-3); transition: color .3s; }
.step:hover .step-n { color: var(--accent); }
.step-head { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; flex-wrap: wrap; }
.step-head h3 { font-size: 19px; }
.tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); border: 1px solid var(--border); border-radius: 20px; padding: 3px 11px; }
.step-body p { color: var(--text-2); font-size: 15px; max-width: 680px; }

/* ---------- Model / pricing ---------- */
.model { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.model-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 30px 26px; transition: transform .3s var(--ease), border-color .3s, box-shadow .3s; }
.model-card:hover { transform: translateY(-4px); border-color: var(--border-2); }
.model-card.hot { border-color: rgba(255,214,0,.45); background: linear-gradient(165deg, rgba(255,214,0,.07), var(--surface)); box-shadow: 0 24px 60px -34px rgba(255,214,0,.4); }
.model-k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; }
.model-card.hot .model-k { color: var(--accent); }
.model-price { font-family: var(--font-display); font-weight: 800; font-size: 26px; margin-bottom: 12px; letter-spacing: -.02em; }
.model-desc { color: var(--text-2); font-size: 14.5px; }
.model-desc strong { color: var(--text-1); font-weight: 600; }
.model-foot { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 34px; padding: 26px 30px; border: 1px dashed var(--border-2); border-radius: var(--r); flex-wrap: wrap; }
.model-foot p { color: var(--text-2); font-size: 15px; max-width: 620px; }

/* ---------- Fit ---------- */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fit-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 30px 28px; }
.fit-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.fit-head h3 { font-size: 19px; }
.fit-ic { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-size: 14px; font-weight: 700; }
.fit-ic.good { color: #34d399; border: 1px solid rgba(52,211,153,.5); }
.fit-ic.bad { color: #f87171; border: 1px solid rgba(248,113,113,.5); }
.fit-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.fit-list li { position: relative; padding-left: 22px; color: var(--text-2); font-size: 15px; }
.fit-list li::before { position: absolute; left: 0; top: 1px; font-size: 13px; }
.fit-list.good li::before { content: '✓'; color: #34d399; }
.fit-list.bad li::before { content: '✕'; color: #f87171; }

/* ---------- Founder ---------- */
.founder { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: center; }
.founder-photo { position: relative; aspect-ratio: 4/5; border-radius: var(--r); overflow: hidden; border: 1px solid var(--border); max-width: 360px; }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.02) contrast(1.02); }
.corner { position: absolute; width: 26px; height: 26px; border: 2px solid var(--accent); }
.corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.founder-name { font-family: var(--font-display); font-weight: 800; font-size: 24px; }
.founder-role { font-family: var(--font-mono); font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.founder-copy p { color: var(--text-2); font-size: 15.5px; margin-bottom: 14px; }
.founder-copy strong { color: var(--text-1); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 12px; }
.qa { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 0 22px; transition: border-color .3s; }
.qa[open] { border-color: var(--border-2); }
.qa summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; list-style: none; padding: 20px 0; font-family: var(--font-display); font-weight: 700; font-size: 16.5px; }
.qa summary::-webkit-details-marker { display: none; }
.qa-x { font-family: var(--font-mono); font-size: 20px; color: var(--accent); transition: transform .3s; flex-shrink: 0; }
.qa[open] .qa-x { transform: rotate(45deg); }
.qa p { color: var(--text-2); font-size: 15px; padding: 0 0 22px; max-width: 660px; }
.qa[open] p { animation: faqIn .25s var(--ease); }
@keyframes faqIn { from { opacity: 0; transform: translateY(-4px); } }

/* ---------- Book / form ---------- */
.book-head { margin-bottom: 40px; text-align: center; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .05em; color: var(--text-2); }
.field input, .field select, .field textarea {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 13px 15px; color: var(--text-1); font-family: var(--font-body); font-size: 15px;
  transition: border-color .25s, box-shadow .25s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,214,0,.12); }
.field select {
  appearance: none; cursor: pointer; padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237A8BAE' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 15px;
}
.hp { position: absolute; left: -9999px; opacity: 0; }
.form-note { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); text-align: center; margin-top: 14px; }
.form-note a { color: var(--accent); }

.form-success { text-align: center; padding: 60px 20px; }
.success-check { width: 64px; height: 64px; border-radius: 50%; background: var(--accent); color: #0a0a12; font-size: 30px; display: grid; place-items: center; margin: 0 auto 22px; animation: pop .5s var(--ease); }
@keyframes pop { 0%{transform:scale(0.9);opacity:0} 60%{transform:scale(1.08);opacity:1} 100%{transform:scale(1)} }
.success-t { font-family: var(--font-display); font-weight: 800; font-size: 24px; margin-bottom: 8px; }
.success-s { color: var(--text-2); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 50px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand img { width: 99px; height: 120px; object-fit: contain; }
.footer-links { display: flex; gap: 26px; }
.footer-links a { font-family: var(--font-mono); font-size: 13px; color: var(--text-2); transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); }

/* ---------- Reveal animation ----------
   Content is visible by default; animation only applies when JS has
   stamped html.js — no-JS visitors and non-JS renderers see everything. */
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } * { scroll-behavior: auto !important; } }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-diagram { max-width: 460px; }
  .solution, .founder { grid-template-columns: 1fr; gap: 30px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .model { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner .btn-sm { margin-left: auto; margin-right: 16px; }
  .trust-inner { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 32px; }
  .trust-sep { display: none; }
  .nav.open .nav-links { display: flex; position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(8,12,26,.97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); padding: 8px 28px 18px; animation: menuIn .18s var(--ease); }
  .nav.open .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--border); }
}
@keyframes menuIn { from { opacity: 0; transform: translateY(-8px); } }

/* Touch devices: suppress hover-lift effects (tap ≠ hover) */
@media (hover: none), (pointer: coarse) {
  .card:hover, .model-card:hover, .btn-primary:hover, .btn-ghost:hover { transform: none; box-shadow: none; }
  .card:hover::before { opacity: 0; }
  .step:hover .step-n { color: var(--text-3); }
  .step:hover::before { background: var(--border-2); box-shadow: none; }
}

@media (max-width: 620px) {
  .section { padding: 70px 0; }
  .hero { padding: 120px 0 60px; }
  .grid-4, .grid-3, .fit { grid-template-columns: 1fr; }
  .svc-list { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .step { grid-template-columns: 50px 1fr; gap: 14px; padding-left: 18px; }
  .model-foot { flex-direction: column; align-items: flex-start; }
  .nav-inner .btn-sm { display: none; }
  .mobile-cta { display: flex; }
  .footer { padding-bottom: 90px; } /* clear the sticky CTA */
}