/* =================================================================
   SPIT SHINE SAN ANTONIO — Master Stylesheet
   Premium automotive luxury aesthetic | Mobile-first
   Brand palette:
     Burnt Orange  #CC5500   (primary accent / CTAs)
     Deep Black    #0A0A0A   (base)
     Silver        #C0C0C0   (secondary text / accents)
     Graphite      #4A4A4A   (borders / muted)
     Light Gray    #E5E5E5   (body text on dark)
   ================================================================= */

/* ---------- Design tokens ---------- */
:root {
  --orange:        #CC5500;
  --orange-bright: #e8731a;
  --orange-deep:   #a8470a;
  --black:         #0A0A0A;
  --ink:           #0d0d0f;
  --panel:         #141417;
  --panel-2:       #1b1b1f;
  --silver:        #C0C0C0;
  --graphite:      #4A4A4A;
  --light:         #E5E5E5;
  --white:         #f6f6f7;
  --muted:         #9a9aa0;

  --line: rgba(192,192,192,.14);
  --line-strong: rgba(192,192,192,.28);

  --shadow-sm: 0 2px 8px rgba(0,0,0,.4);
  --shadow-md: 0 14px 40px rgba(0,0,0,.5);
  --shadow-orange: 0 10px 30px rgba(204,85,0,.32);

  --radius: 14px;
  --radius-sm: 9px;
  --container: 1180px;

  --font-display: "Oswald", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  --nav-h: 86px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--light);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: .002em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--orange-bright); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--orange); }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: .01em;
  color: var(--white);
}
h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); }
h4 { font-size: 1.05rem; letter-spacing: .04em; }
p { color: var(--light); }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--silver); }

:focus-visible { outline: 3px solid var(--orange-bright); outline-offset: 3px; border-radius: 4px; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.section { padding: clamp(56px, 9vw, 110px) 0; position: relative; }
.section--tight { padding: clamp(40px, 6vw, 70px) 0; }
.section--panel { background: linear-gradient(180deg, var(--ink), var(--black)); }
.section--alt { background:
   radial-gradient(1100px 480px at 80% -10%, rgba(204,85,0,.10), transparent 60%),
   var(--ink); }
.center { text-align: center; }
.narrow { max-width: 760px; margin-left: auto; margin-right: auto; }

.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .26em;
  font-size: .8rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: 14px;
  display: inline-block;
}
.section-head { margin-bottom: clamp(34px, 5vw, 56px); }
.section-head p { color: var(--silver); margin-top: 14px; max-width: 720px; }
.section-head.center p { margin-left: auto; margin-right: auto; }

.divider-orange { width: 64px; height: 4px; background: var(--orange); border-radius: 2px; }
.center .divider-orange { margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  font-size: .98rem;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--orange); color: #150b02; box-shadow: var(--shadow-orange); }
.btn-primary:hover { background: var(--orange-bright); color: #150b02; transform: translateY(-2px); box-shadow: 0 16px 38px rgba(204,85,0,.42); }
.btn-secondary { background: transparent; color: var(--white); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--orange); color: var(--white); transform: translateY(-2px); background: rgba(204,85,0,.08); }
.btn-ghost { background: rgba(255,255,255,.05); color: var(--white); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--orange); color: var(--white); }
.btn-lg { padding: 18px 34px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.center .btn-row { justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(10,10,10,.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.site-header.scrolled { background: rgba(8,8,9,.92); border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 18px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); }
.brand:hover { color: inherit; }
.brand .mark { width: 38px; height: 38px; flex: none; }
.brand-logo { width: auto; flex: none; }
.brand-logo--nav { height: 68px; }
.brand-logo--footer { height: 112px; }
.brand .brand-text { line-height: 1; }
.brand .brand-name {
  display: block; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; color: var(--white); font-size: 1.18rem;
}
.brand .brand-sub { display: block; font-size: .62rem; letter-spacing: .28em; color: var(--orange); text-transform: uppercase; font-family: var(--font-body); font-weight: 600; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--light); font-family: var(--font-display); text-transform: uppercase;
  font-size: .86rem; letter-spacing: .07em; font-weight: 500;
  padding: 9px 13px; border-radius: 7px;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(204,85,0,.14); }
.nav-links a.active { color: var(--orange-bright); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { display: inline-flex; align-items: center; gap: 7px; color: var(--white); font-family: var(--font-display); letter-spacing: .04em; font-size: .95rem; }
.nav-phone:hover { color: var(--orange-bright); }
.nav-phone svg { width: 17px; height: 17px; color: var(--orange); }

.nav-toggle {
  display: none; width: 46px; height: 42px; border: 1px solid var(--line-strong);
  background: rgba(255,255,255,.04); border-radius: 9px; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--white);
  border-radius: 2px; transition: transform .25s ease, opacity .2s ease; position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 88vh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 70px;
  overflow: hidden;
}
.hero--page { min-height: 60vh; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 600px at 75% 20%, rgba(204,85,0,.22), transparent 55%),
    linear-gradient(180deg, rgba(10,10,10,.55) 0%, rgba(10,10,10,.78) 55%, var(--black) 100%);
}
.hero-bg .photo {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: .5; filter: saturate(.9) contrast(1.05);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 760px; }
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: .98; letter-spacing: .005em;
}
.hero h1 .accent { color: var(--orange); }
.hero .slogan {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: .04em;
  color: var(--silver); font-size: clamp(1rem, 2.4vw, 1.45rem); font-weight: 500;
  margin-top: 18px;
}
.hero .hero-sub { margin-top: 20px; font-size: 1.1rem; color: var(--light); max-width: 600px; }
.hero .btn-row { margin-top: 32px; }

/* ---------- Trust bar ---------- */
.trustbar { background: var(--ink); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trustbar .container { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 38px; padding-top: 20px; padding-bottom: 20px; }
.trust-item { display: flex; align-items: center; gap: 10px; color: var(--silver); font-size: .92rem; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .08em; }
.trust-item svg { width: 20px; height: 20px; color: var(--orange); flex: none; }
.stars { color: var(--orange); letter-spacing: 2px; font-size: 1rem; }

/* ---------- Grid / cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(180deg, var(--panel), var(--ink));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .25s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: rgba(204,85,0,.5); box-shadow: var(--shadow-md); }
.card .icon {
  width: 54px; height: 54px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: rgba(204,85,0,.12); border: 1px solid rgba(204,85,0,.3);
}
.card .icon svg { width: 28px; height: 28px; color: var(--orange-bright); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--silver); font-size: .98rem; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .06em; font-size: .85rem; }
.card-link svg { width: 15px; height: 15px; flex: none; }

/* feature list with orange check */
.checklist li { position: relative; padding-left: 34px; margin-bottom: 14px; color: var(--light); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px;
  border-radius: 50%; background: rgba(204,85,0,.15); border: 1px solid rgba(204,85,0,.5);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e8731a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 13px;
}
.checklist li strong { color: var(--white); }
.checklist--tight li { margin-bottom: 9px; }

/* two-column split */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 64px); align-items: center; }
.split.reverse > :first-child { order: 2; }
.split h2 { margin-bottom: 18px; }
.split .body p + p { margin-top: 16px; }
.split .body p { color: var(--silver); }

/* media / image placeholder block */
.media {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line-strong); min-height: 320px;
  background: linear-gradient(135deg, #18181c, #0c0c0e);
  display: grid; place-items: center; text-align: center;
}
.media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.media .ph {
  padding: 24px; color: var(--muted); font-size: .82rem; letter-spacing: .12em;
  text-transform: uppercase; font-family: var(--font-display); z-index: 1;
}
.media .ph svg { width: 46px; height: 46px; color: var(--graphite); margin: 0 auto 14px; }
.media .ph small { display: block; color: var(--graphite); letter-spacing: .04em; margin-top: 8px; font-family: var(--font-body); text-transform: none; font-size: .78rem; }

/* ---------- Steps / process ---------- */
.steps { counter-reset: step; display: grid; gap: 20px; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 20px; align-items: start;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step .num {
  counter-increment: step; width: 56px; height: 56px; border-radius: 12px;
  display: grid; place-items: center; font-family: var(--font-display); font-size: 1.6rem; font-weight: 700;
  background: rgba(204,85,0,.12); border: 1px solid rgba(204,85,0,.35); color: var(--orange-bright);
}
.step .num::before { content: counter(step, decimal-leading-zero); }
.step h3 { font-size: 1.15rem; margin-bottom: 6px; }
.step p { color: var(--silver); font-size: .96rem; }

/* ---------- Stat band ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 14px; }
.stat .n { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); color: var(--orange-bright); line-height: 1; }
.stat .l { color: var(--silver); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin-top: 8px; }

/* ---------- Testimonials ---------- */
.review {
  background: linear-gradient(180deg, var(--panel), var(--ink));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.review .stars { font-size: 1.05rem; }
.review blockquote { color: var(--light); font-size: 1rem; line-height: 1.6; }
.review .who { margin-top: auto; border-top: 1px solid var(--line); padding-top: 14px; }
.review .who .name { color: var(--white); font-family: var(--font-display); text-transform: uppercase; letter-spacing: .05em; font-size: .95rem; }
.review .who .meta { color: var(--muted); font-size: .82rem; }

/* ---------- Pricing / package cards ---------- */
.pkg { background: linear-gradient(180deg, var(--panel), var(--ink)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.pkg.featured { border-color: var(--orange); box-shadow: var(--shadow-orange); }
.pkg .tag { align-self: flex-start; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; color: #150b02; background: var(--orange); padding: 4px 11px; border-radius: 20px; margin-bottom: 14px; }
.pkg h3 { color: var(--orange-bright); }
.pkg .desc { color: var(--silver); font-size: .95rem; margin: 10px 0 18px; }
.pkg .checklist { margin-bottom: 22px; }
.pkg .checklist li { font-size: .92rem; margin-bottom: 9px; }
.pkg .price-note { color: var(--muted); font-size: .82rem; margin-bottom: 16px; }
.pkg .btn { margin-top: auto; }

/* ---------- FAQ accordion ---------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq-cat { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .14em; color: var(--orange); font-size: .85rem; margin: 32px 0 12px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; background: var(--panel); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  color: var(--white); font-family: var(--font-display); text-transform: uppercase; letter-spacing: .02em;
  font-size: 1.02rem; padding: 20px 56px 20px 22px; position: relative;
}
.faq-q::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 1.6rem; color: var(--orange-bright); font-family: var(--font-body); transition: transform .2s ease;
}
.faq-item.open .faq-q::after { content: "–"; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 22px 20px; color: var(--silver); }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(800px 400px at 50% -30%, rgba(204,85,0,.28), transparent 60%),
    linear-gradient(180deg, var(--ink), #050505);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-band h2 { max-width: 820px; margin: 0 auto 16px; }
.cta-band p { max-width: 640px; margin: 0 auto 28px; color: var(--silver); }

/* ---------- Forms ---------- */
.form-wrap { background: linear-gradient(180deg, var(--panel), var(--ink)); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 4vw, 40px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--silver); }
.field label .req { color: var(--orange-bright); }
.field input, .field select, .field textarea {
  background: var(--black); border: 1px solid var(--line-strong); border-radius: 9px;
  color: var(--white); padding: 13px 14px; font-family: var(--font-body); font-size: 1rem; width: 100%;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(204,85,0,.18); }
.field input::placeholder, .field textarea::placeholder { color: #6a6a70; }
.checkgroup { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.checkgroup label { display: flex; align-items: center; gap: 9px; text-transform: none; letter-spacing: 0; font-family: var(--font-body); color: var(--light); font-size: .95rem; cursor: pointer; }
.checkgroup input { width: auto; accent-color: var(--orange); }
.form-note { color: var(--muted); font-size: .82rem; margin-top: 14px; }
.form-success {
  display: none; background: rgba(204,85,0,.1); border: 1px solid rgba(204,85,0,.5);
  border-radius: 10px; padding: 18px; color: var(--white); margin-bottom: 18px;
}
.form-success.show { display: block; }

/* contact info cards */
.info-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.info-card .icon { width: 48px; height: 48px; border-radius: 11px; display: grid; place-items: center; background: rgba(204,85,0,.12); border: 1px solid rgba(204,85,0,.3); margin-bottom: 16px; }
.info-card .icon svg { width: 24px; height: 24px; color: var(--orange-bright); }
.info-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.info-card p, .info-card a { color: var(--silver); font-size: .98rem; }
.info-card a { display: block; }

/* service-area chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 30px; padding: 8px 16px; font-size: .9rem; color: var(--light); font-family: var(--font-display); text-transform: uppercase; letter-spacing: .05em; }
.chip:hover { border-color: var(--orange); }

/* mini icon list (myths etc) */
.myth { border-left: 3px solid var(--orange); padding: 4px 0 4px 20px; margin-bottom: 22px; }
.myth .m { color: var(--white); font-family: var(--font-display); text-transform: uppercase; letter-spacing: .02em; font-size: 1.05rem; margin-bottom: 6px; }
.myth .r { color: var(--silver); }
.myth .r b { color: var(--orange-bright); }

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
  display: none; gap: 1px; background: var(--line);
  border-top: 1px solid var(--line-strong);
  box-shadow: 0 -8px 24px rgba(0,0,0,.5);
}
.mobile-cta a {
  flex: 1; text-align: center; padding: 14px 8px; font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: .06em; font-size: .9rem;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.mobile-cta a svg { width: 17px; height: 17px; }
.mobile-cta .m-call { background: var(--panel-2); color: var(--white); }
.mobile-cta .m-quote { background: var(--orange); color: #150b02; }

/* ---------- Footer ---------- */
.site-footer { background: #050506; border-top: 1px solid var(--line); padding: 64px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.site-footer .brand { margin-bottom: 16px; }
.footer-about p { color: var(--muted); font-size: .92rem; max-width: 320px; }
.footer-col h4 { color: var(--white); letter-spacing: .12em; margin-bottom: 16px; font-size: .82rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--silver); font-size: .94rem; }
.footer-col a:hover { color: var(--orange-bright); }
.footer-contact a, .footer-contact p { color: var(--silver); font-size: .94rem; margin-bottom: 10px; display: flex; align-items: center; gap: 9px; }
.footer-contact svg { width: 16px; height: 16px; color: var(--orange); flex: none; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 22px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .82rem; }
.footer-bottom .badges { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-bottom .badges span { color: var(--silver); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .nav-links, .nav-phone { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(8,8,9,.98); backdrop-filter: blur(12px);
    padding: 14px 18px 22px; border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform .3s ease; z-index: 99;
  }
  .nav-links.open { display: flex; transform: translateY(0); }
  .nav-links a { padding: 14px; font-size: 1rem; }
  .split { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: 0; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .mobile-cta { display: flex; }
  body { padding-bottom: 56px; }
  .step { grid-template-columns: 48px 1fr; gap: 14px; padding: 20px; }
  .step .num { width: 46px; height: 46px; font-size: 1.3rem; }
}
@media (max-width: 600px) {
  :root { --nav-h: 70px; }
  .brand-logo--nav { height: 52px; }
  .brand-logo--footer { height: 96px; }
  .grid-2, .grid-3, .grid-4, .stats, .form-grid, .checkgroup, .footer-grid { grid-template-columns: 1fr; }
  body { font-size: 16px; }
  .btn { width: 100%; justify-content: center; }
  .btn-row .btn { width: 100%; }
  .nav-cta .btn { width: auto; }
  .hero { min-height: 82vh; }
  .section { padding: 50px 0; }
}