/* ============================================================
   Nexus Control Systems — website styles
   Modernised from the brand's print system:
   Inter (heavy italic display) + JetBrains Mono technical labels,
   navy / electric-blue / magenta, blueprint grids & numbered specs.
   ============================================================ */

:root {
  --navy:        #0A1024;
  --navy-2:      #0E1730;
  --blue:        #1B3B8A;
  --blue-elec:   #0099E0;
  --magenta:     #E5197F;
  --ink:         #0B0E1A;
  --slate:       #4A5061;
  --mute:        #8C92A3;
  --paper:       #FAFAFB;
  --paper-2:     #F4F5F8;
  --line:        #E6E8EE;
  --line-dark:   rgba(255,255,255,0.10);
  --white:       #FFFFFF;

  /* accent is tweakable on the home page */
  --accent:      #E5197F;
  --accent-2:    #0099E0;

  --maxw: 1180px;
  --radius: 4px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font: "Inter", -apple-system, system-ui, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}
.eyebrow.center { justify-content: center; }

h1, h2, h3 { margin: 0; letter-spacing: -0.02em; font-weight: 800; line-height: 1.05; }
.display {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.98;
}
.display em { font-style: italic; color: var(--accent-2); }
h2.section-title {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.04;
}
.lead {
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.5;
  color: var(--slate);
  font-weight: 400;
  text-wrap: pretty;
}
.italic-name { font-style: italic; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 24px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), color .2s, border-color .2s;
  white-space: nowrap;
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px -8px color-mix(in oklab, var(--accent) 70%, transparent); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-ghost.on-dark { border-color: rgba(255,255,255,.25); color: #fff; }
.btn-ghost.on-dark:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-lg { padding: 17px 30px; font-size: 16px; }

/* ---------- Process bar (below header) ---------- */
.process-bar {
  position: relative;
  z-index: 40;
  background: var(--blue);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.process-bar-inner {
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.55em;
  padding: 10px 32px;
  font-style: italic;
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 16px;
  line-height: 1.2;
}
.process-bar .proc { color: #fff; }
.process-bar .proc-sep { font-style: normal; font-weight: 700; color: var(--magenta); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav-logo img { height: 34px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--slate);
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--accent);
  transition: width .28s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 22px; }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 42px; height: 42px; padding: 9px;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Blueprint backdrop ---------- */
.blueprint {
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,153,224,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,153,224,0.07) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 40%, transparent 100%);
          mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 40%, transparent 100%);
}
.glow {
  position: absolute;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,153,224,0.42), transparent 62%);
  filter: blur(12px);
  pointer-events: none;
}
.glow.magenta { background: radial-gradient(circle, rgba(229,25,127,0.40), transparent 62%); }

/* ============================================================
   HERO (home) — three switchable directions
   ============================================================ */
.hero { position: relative; overflow: hidden; }
.hero-inner {
  position: relative;
  display: grid;
  align-items: center;
  gap: 56px;
  padding: 96px 0 104px;
}
.hero-copy { position: relative; z-index: 2; }
.hero .tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.tag {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 13px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--slate);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero-media { position: relative; z-index: 2; }
.hero-media .media-frame {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
}
.corner-ticks > i {
  position: absolute; width: 16px; height: 16px; z-index: 3;
}
.corner-ticks > i.tl { top: -1px; left: -1px; border-top: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.corner-ticks > i.tr { top: -1px; right: -1px; border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); }
.corner-ticks > i.bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.corner-ticks > i.br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent); }

/* product render element */
.hero-product { display: none; }
.hero-photo { display: none; }

/* default: dark blueprint hero */
.hero { background: var(--navy); color: #fff; }
.hero .display { color: #fff; }
.hero .lead { color: #B8C0D8; }
.hero .tag { border-color: var(--line-dark); color: #aeb7d4; }
.hero .glow.a { top: -180px; left: -120px; }
.hero .glow.b { bottom: -260px; right: -180px; }
.hero-inner { grid-template-columns: 1.05fr 0.95fr; }
.hero-product { display: block; }
.hero-product img {
  filter: drop-shadow(0 0 28px rgba(0,153,224,0.45)) drop-shadow(0 22px 40px rgba(0,0,0,.5));
  margin: 0 auto;
  width: 78%;
}

/* spec callouts beside product */
.hero-spec {
  position: absolute;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  display: flex; align-items: center; gap: 9px;
  z-index: 4;
}
.hero-spec .dot { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--accent); background: var(--navy); box-shadow: 0 0 8px var(--accent); flex: 0 0 auto; }
.hero-spec .ln { width: 40px; height: 1px; background: var(--accent-2); opacity: .6; }
.hero-spec.s1 { top: 16%; left: -2%; }
.hero-spec.s2 { top: 46%; right: -2%; flex-direction: row-reverse; }
.hero-spec.s3 { bottom: 16%; left: 4%; }

/* ---- variant: light editorial ---- */
body.hero-light .hero { background: var(--paper); color: var(--ink); }
body.hero-light .hero .display { color: var(--ink); }
body.hero-light .hero .lead { color: var(--slate); }
body.hero-light .hero .tag { border-color: var(--line); color: var(--slate); }
body.hero-light .hero .blueprint {
  background-image:
    linear-gradient(rgba(27,59,138,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,59,138,0.06) 1px, transparent 1px);
}
body.hero-light .hero .glow { opacity: .5; }
body.hero-light .hero-product img { filter: drop-shadow(0 22px 34px rgba(11,14,26,.2)); }
body.hero-light .hero-spec { color: var(--ink); }
body.hero-light .hero-spec .dot { background: #fff; }

/* ---- variant: split with install photo ---- */
body.hero-split .hero-product { display: none; }
body.hero-split .hero-photo { display: block; }
body.hero-split .hero-photo .media-frame { aspect-ratio: 4/5; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); }
body.hero-split .hero-photo img { width: 100%; height: 100%; object-fit: cover; }
body.hero-split .hero-spec { display: none; }

/* ============================================================
   Generic sections
   ============================================================ */
section { position: relative; }
.band { padding: 100px 0; }
.band.tight { padding: 76px 0; }
.band.paper { background: var(--paper); }
.band.paper2 { background: var(--paper-2); }
.band.navy { background: var(--navy); color: #fff; }
.band.navy .section-title { color: #fff; }
.band.navy .lead { color: #B8C0D8; }

.section-head { max-width: 720px; }
.section-head.center { margin: 0 auto; text-align: center; }
.section-head .lead { margin-top: 18px; }

/* ---- marquee / trust strip ---- */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 26px 0;
}
.strip-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 28px;
}
.strip-item {
  font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate);
  display: flex; align-items: center; gap: 11px;
}
.strip-item b { color: var(--ink); font-weight: 700; }
.strip-item .sq { width: 7px; height: 7px; background: var(--accent); transform: rotate(45deg); }

/* ---- service cards ---- */
.grid-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.svc-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 34px 32px 30px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  overflow: hidden;
}
.svc-card::before {
  content: "";
  position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: var(--accent);
  transition: width .4s var(--ease);
}
.svc-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -28px rgba(11,14,26,.28); border-color: transparent; }
.svc-card:hover::before { width: 100%; }
.svc-num {
  font-family: var(--mono);
  font-size: 13px; font-weight: 700; letter-spacing: 0.1em;
  color: var(--accent);
}
.svc-card h3 { font-size: 22px; font-weight: 800; margin: 16px 0 10px; letter-spacing: -0.02em; }
.svc-card p { margin: 0; color: var(--slate); font-size: 16px; }
.svc-icon {
  width: 46px; height: 46px; margin-bottom: 6px;
  display: grid; place-items: center;
  border: 1.5px solid var(--line); border-radius: 8px;
}
.svc-icon svg { width: 22px; height: 22px; }

/* ---- featured product / spec section ---- */
.product-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.product-stage {
  position: relative;
  background: var(--navy);
  border-radius: 10px;
  padding: 48px;
  overflow: hidden;
  min-height: 440px;
  display: grid; place-items: center;
}
.product-stage img { width: 84%; position: relative; z-index: 2;
  filter: drop-shadow(0 0 26px rgba(0,153,224,0.4)) drop-shadow(0 20px 36px rgba(0,0,0,.45)); }
.product-stage .dwg {
  position: absolute; top: 22px; left: 26px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: #5C6685;
  text-transform: uppercase; z-index: 3;
}
.spec-list { margin-top: 30px; }
.spec-row {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.spec-row .n { font-family: var(--mono); font-size: 14px; font-weight: 700; color: var(--accent-2); flex: 0 0 30px; padding-top: 2px; }
.spec-row h4 { margin: 0 0 3px; font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.spec-row p { margin: 0; color: var(--slate); font-size: 15px; }

/* ---- stats ---- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-top: 56px;
}
.stat { padding: 6px 0; }
.stat .big { font-size: clamp(40px, 5vw, 60px); font-weight: 900; letter-spacing: -0.04em; line-height: 1; }
.stat .big em { font-style: italic; color: var(--accent-2); }
.stat .lbl { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-top: 12px; }
.band.navy .stat .lbl { color: #8C95B0; }

/* ---- process steps ---- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 56px; }
.step { padding: 30px 26px; border: 1px solid var(--line); border-radius: 6px; background: #fff; position: relative; }
.step .num { font-family: var(--mono); font-size: 13px; color: var(--accent); font-weight: 700; letter-spacing: .1em; }
.step h4 { margin: 14px 0 8px; font-size: 19px; font-weight: 800; letter-spacing: -0.02em; }
.step p { margin: 0; color: var(--slate); font-size: 15px; }

/* ---- CTA band ---- */
.cta {
  position: relative; overflow: hidden;
  background: var(--navy); color: #fff;
  border-radius: 12px;
  padding: 74px 64px;
  text-align: center;
}
.cta h2 { font-size: clamp(32px, 4.5vw, 54px); font-weight: 900; letter-spacing: -0.035em; }
.cta .lead { color: #B8C0D8; max-width: 560px; margin: 18px auto 0; }
.cta .hero-cta { justify-content: center; }

/* ---- engineered tag ---- */
.eng-tag {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--magenta);
  display: inline-flex; align-items: center; gap: 10px;
}
.eng-tag .sq { width: 7px; height: 7px; background: var(--magenta); transform: rotate(45deg); }

/* ============================================================
   Sub-page header
   ============================================================ */
.page-hero {
  position: relative; overflow: hidden;
  background: var(--navy); color: #fff;
  padding: 84px 0 78px;
}
.page-hero .display { color: #fff; font-size: clamp(38px, 5.4vw, 64px); }
.page-hero .lead { color: #B8C0D8; max-width: 600px; margin-top: 18px; }
.crumb { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 22px; display: flex; gap: 10px; align-items: center; }
.crumb span { color: #5C6685; }

/* ---- about story ---- */
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.prose p { color: var(--slate); font-size: 17px; margin: 0 0 18px; }
.prose p:last-child { margin-bottom: 0; }
.value-list { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 2px; }
.value-list li { display: flex; gap: 16px; padding: 20px 0; border-top: 1px solid var(--line); }
.value-list .v-mark { font-family: var(--mono); color: var(--accent); font-weight: 700; font-size: 14px; flex: 0 0 30px; }
.value-list h4 { margin: 0 0 4px; font-size: 18px; font-weight: 700; }
.value-list p { margin: 0; color: var(--slate); font-size: 15.5px; }

.photo-frame { position: relative; border-radius: 8px; overflow: hidden; box-shadow: 0 30px 60px -28px rgba(11,14,26,.4); }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-frame.tall { aspect-ratio: 4/5; }

/* placeholder for missing imagery */
.ph {
  background:
    repeating-linear-gradient(45deg, var(--paper-2), var(--paper-2) 11px, #eceef3 11px, #eceef3 22px);
  display: grid; place-items: center; color: var(--mute);
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 8px;
}

/* ============================================================
   Contact
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 40px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; font-weight: 600; letter-spacing: .02em; margin-bottom: 8px; color: var(--ink); }
.field label .req { color: var(--accent); }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--font); font-size: 15px;
  padding: 13px 15px; border: 1.5px solid var(--line); border-radius: var(--radius);
  background: var(--paper); color: var(--ink); transition: border-color .2s, background .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent-2); background: #fff;
}
.field textarea { resize: vertical; min-height: 130px; }
.field.error input, .field.error textarea { border-color: var(--accent); }
.field .err-msg { color: var(--accent); font-size: 12.5px; margin-top: 6px; display: none; }
.field.error .err-msg { display: block; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-success {
  display: none;
  text-align: center; padding: 30px 10px;
}
.form-success.show { display: block; }
.form-success .check {
  width: 64px; height: 64px; margin: 0 auto 22px; border-radius: 50%;
  background: color-mix(in oklab, var(--accent-2) 14%, white);
  display: grid; place-items: center;
}
.form-success .check svg { width: 30px; height: 30px; stroke: var(--accent-2); }
.form-success h3 { font-size: 24px; font-weight: 800; margin-bottom: 10px; }
.form-success p { color: var(--slate); margin: 0 auto; max-width: 360px; }

.contact-aside .info-item { padding: 22px 0; border-top: 1px solid var(--line); }
.contact-aside .info-item:first-child { border-top: none; padding-top: 0; }
.contact-aside .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-bottom: 7px; }
.contact-aside .v { font-size: 18px; font-weight: 600; }
.contact-aside .v a:hover { color: var(--accent); }
.contact-card-dark {
  background: var(--navy); color: #fff; border-radius: 10px; padding: 34px;
  margin-top: 28px; position: relative; overflow: hidden;
}
.contact-card-dark .eng-tag { margin-bottom: 14px; }
.contact-card-dark p { color: #B8C0D8; font-size: 15px; margin: 0; position: relative; z-index: 2; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--navy); color: #fff; padding: 70px 0 36px; position: relative; overflow: hidden; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; position: relative; z-index: 2; }
.footer-logo img { height: 38px; width: auto; margin-bottom: 20px; }
.footer-col h5 { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: #6B76A0; margin: 0 0 18px; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-col a, .footer-col p { color: #B8C0D8; font-size: 15px; margin: 0; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-blurb { color: #8C95B0; font-size: 14.5px; max-width: 280px; }
.footer-bottom {
  margin-top: 54px; padding-top: 26px; border-top: 1px solid var(--line-dark);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px;
  font-size: 13px; color: #6B76A0; position: relative; z-index: 2;
}
.footer-bottom .mono { font-family: var(--mono); letter-spacing: .08em; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero-inner, .product-split, .split-2, .contact-grid { grid-template-columns: 1fr !important; gap: 44px; }
  .hero-media { max-width: 460px; margin: 0 auto; }
  .grid-services { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero-spec { display: none !important; }
}

@media (max-width: 680px) {
  .container { padding: 0 22px; }
  body { font-size: 16px; }
  .band { padding: 68px 0; }
  .nav-links { display: none; }
  .nav-right .btn { display: none; }
  .nav-toggle { display: block; }
  .mobile-menu { display: block; }
  .grid-services, .stats, .steps, .field-row, .footer-grid { grid-template-columns: 1fr; }
  .cta { padding: 52px 26px; }
  .product-stage { min-height: 320px; padding: 34px; }
  .form-card { padding: 28px 22px; }
  .strip-inner { gap: 14px 24px; }
}

/* mobile menu drawer */
.mobile-menu {
  display: none;
  position: fixed; inset: 76px 0 auto 0; z-index: 49;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 16px 22px 26px;
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.mobile-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.mobile-menu a { display: block; padding: 14px 0; font-size: 18px; font-weight: 600; border-bottom: 1px solid var(--line); }
.mobile-menu .btn { margin-top: 18px; width: 100%; justify-content: center; }