/* ============================================================
   PROFITI — Industrial Compressed Air Solutions
   Corporate design system built on the original Profiti brand
   blue (#1170af, the old site's theme color) and its companions
   (#1e85c9, #084a76, #043353).
   Logo: "PROFITI" wordmark, Montserrat Bold (as on the old site).
   Type: Barlow Condensed (display) + Barlow (body).
   ============================================================ */

:root {
  /* Brand blues (from the previous profiti.biz theme) */
  --brand: #1170af;
  --brand-strong: #0d5d92;
  --brand-deep: #084a76;
  --brand-light: #1e85c9;
  --brand-sky: #5fb2e9;
  --brand-tint: #e8f1f8;

  /* Dark surfaces (blue-toned navy) */
  --navy-950: #032740;
  --navy-900: #043353;
  --navy-800: #0a4166;
  --navy-700: #135077;

  /* Neutrals */
  --bg: #f4f6f9;
  --surface: #ffffff;
  --border: #dde3ec;
  --border-strong: #c3ccd9;
  --text: #1a2433;
  --text-muted: #49566b;
  --text-faint: #5f6d83;
  --on-dark: #f2f6fa;
  --on-dark-muted: #b9cbdd;
  --danger: #c53030;

  /* Type */
  --font-logo: "Montserrat", "Barlow", sans-serif;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Barlow", "Helvetica Neue", Arial, sans-serif;

  /* Spacing / shape */
  --space-1: 8px;  --space-2: 16px; --space-3: 24px; --space-4: 32px;
  --space-5: 48px; --space-6: 64px; --space-7: 96px;
  --radius: 4px;
  --radius-lg: 6px;
  --container: 1200px;
  --shadow-1: 0 1px 2px rgba(4, 51, 83, 0.06), 0 2px 6px rgba(4, 51, 83, 0.05);
  --shadow-2: 0 3px 10px rgba(4, 51, 83, 0.09), 0 10px 24px rgba(4, 51, 83, 0.08);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 150ms;
  --t-med: 240ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: var(--brand-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--brand-light); outline-offset: 2px; border-radius: 2px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--brand); color: #fff;
  padding: 10px 18px; font-weight: 600; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: 0.01em; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.625rem); font-weight: 700; }
h3 { font-size: clamp(1.375rem, 2.2vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 700; line-height: 1.3; }
p  { max-width: 68ch; }
.lead { font-size: 1.15rem; line-height: 1.65; color: var(--text-muted); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--brand-strong);
  margin-bottom: var(--space-2);
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--brand); }
.on-dark .eyebrow, .bg-dark .eyebrow { color: var(--brand-sky); }
.on-dark .eyebrow::before, .bg-dark .eyebrow::before { background: var(--brand-sky); }

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.section { padding-block: clamp(56px, 8vw, 96px); }
.section-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head p { margin-top: 12px; }
.grid { display: grid; gap: var(--space-3); }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.bg-dark { background: var(--navy-900); color: var(--on-dark); }
.bg-dark p { color: var(--on-dark-muted); }
.bg-white { background: var(--surface); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 26px;
  font-weight: 600; font-size: 1rem; letter-spacing: 0.01em;
  border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; text-decoration: none !important;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}
.btn svg { flex: none; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-strong); box-shadow: var(--shadow-1); }
.on-dark .btn-primary, .bg-dark .btn-primary, .cta-band .btn-primary, .flagship .btn-primary {
  background: #fff; color: var(--brand-deep);
}
.on-dark .btn-primary:hover, .bg-dark .btn-primary:hover, .cta-band .btn-primary:hover, .flagship .btn-primary:hover {
  background: var(--brand-tint); color: var(--brand-deep);
}
.btn-outline { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--brand); color: var(--brand-strong); }
.on-dark .btn-outline, .btn-outline-light, .flagship .btn-outline {
  border-color: rgba(255,255,255,0.5); color: #fff; background: transparent;
}
.on-dark .btn-outline:hover, .btn-outline-light:hover, .flagship .btn-outline:hover {
  border-color: #fff; background: rgba(255,255,255,0.08); color: #fff;
}
.btn-lg { min-height: 54px; padding: 14px 32px; font-size: 1.0625rem; }

/* ---------- Header (light, corporate) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.site-header::before {
  content: ""; display: block; height: 3px;
  background: var(--brand);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 66px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none !important; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-logo); font-weight: 700; font-size: 1.5rem;
  letter-spacing: 0.04em; color: var(--brand);
}
.brand-tag {
  font-size: 0.5625rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--text-faint); margin-top: 4px;
}

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px; border-radius: var(--radius);
  color: var(--text-muted); font-weight: 500; font-size: 0.9875rem;
  text-decoration: none !important; cursor: pointer;
  background: none; border: 0;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-link:hover { color: var(--brand-strong); background: var(--brand-tint); }
.nav-link[aria-current="page"], .nav-item.active > .nav-link {
  color: var(--brand-strong);
  box-shadow: inset 0 -2px 0 var(--brand);
  border-radius: var(--radius) var(--radius) 0 0;
}
.nav-item { position: relative; }
.nav-item .caret { transition: transform var(--t-fast); }
.nav-item.open .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 250px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-2);
  padding: 8px; list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out), visibility var(--t-fast);
}
.nav-item.open .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block; padding: 10px 14px; border-radius: var(--radius);
  color: var(--text); font-weight: 500; font-size: 0.95rem; text-decoration: none !important;
}
.dropdown a:hover { background: var(--brand-tint); color: var(--brand-deep); }
.dropdown .dd-note { display: block; font-size: 0.78rem; color: var(--text-faint); font-weight: 400; }
.header-cta { margin-left: 10px; }
.header-cta .btn { min-height: 42px; padding: 8px 18px; font-size: 0.9375rem; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: 10px;
  color: var(--text); border-radius: var(--radius);
}
@media (max-width: 1023px) {
  .main-nav {
    position: fixed; inset: 69px 0 auto 0; z-index: 99;
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-2);
    max-height: calc(100dvh - 69px); overflow-y: auto;
    display: none; padding: 12px 20px 24px;
  }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link { width: 100%; justify-content: space-between; padding: 14px 10px; font-size: 1.05rem; border-bottom: 1px solid var(--border); border-radius: 0; color: var(--text); }
  .nav-link[aria-current="page"], .nav-item.active > .nav-link { box-shadow: inset 3px 0 0 var(--brand); color: var(--brand-strong); }
  .dropdown {
    position: static; opacity: 1; visibility: hidden; transform: none;
    display: none; box-shadow: none; border: 0; background: transparent; padding: 0 0 6px 14px;
  }
  .nav-item.open .dropdown { display: block; visibility: visible; }
  .dropdown a { color: var(--text-muted); }
  .dropdown a:hover { background: var(--brand-tint); color: var(--brand-deep); }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .main-nav .mobile-cta { display: flex; margin-top: 16px; width: 100%; }
}
@media (min-width: 1024px) { .main-nav .mobile-cta { display: none; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1000px 480px at 82% -10%, rgba(17, 112, 175, 0.28), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900));
  color: var(--on-dark);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 30%, transparent 75%);
}
.hero-inner {
  position: relative; display: grid; gap: clamp(32px, 5vw, 64px);
  padding-block: clamp(56px, 8vw, 100px);
}
@media (min-width: 960px) { .hero-inner { grid-template-columns: 1.1fr 0.9fr; align-items: center; } }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero .word-loss { color: var(--brand-sky); }
.hero .lead { color: var(--on-dark-muted); max-width: 54ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-note { margin-top: 18px; font-size: 0.9375rem; color: var(--on-dark-muted); display: flex; align-items: center; gap: 8px; }
.hero-note svg { color: var(--brand-sky); flex: none; }
.hero-visual { position: relative; }
.hero-photo {
  background: #fff; border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow-2);
}
.hero-photo img { margin-inline: auto; max-height: 360px; width: auto; }
.hero-photo figcaption {
  text-align: center; font-size: 0.875rem; color: var(--text-faint);
  padding-top: 14px; border-top: 1px solid var(--border); margin-top: 14px;
}

/* Stat strip */
.stat-strip { border-top: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.03); position: relative; }
.stat-strip .container { display: grid; gap: 24px; padding-block: 28px; }
@media (min-width: 720px) { .stat-strip .container { grid-template-columns: repeat(3, 1fr); } }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat b { font-family: var(--font-display); font-size: 2.25rem; font-weight: 700; color: #fff; line-height: 1; }
.stat b .unit { font-size: 1.25rem; color: var(--brand-sky); }
.stat span { font-size: 0.9375rem; color: var(--on-dark-muted); max-width: 30ch; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: box-shadow var(--t-med) var(--ease-out), border-color var(--t-med);
}
a.card { display: block; color: inherit; text-decoration: none !important; }
.card:hover { box-shadow: var(--shadow-2); border-color: var(--brand-light); }
.card h3, .card h4 { margin-bottom: 8px; }
.card p { font-size: 0.9875rem; color: var(--text-muted); }
.bg-dark .card p, .on-dark .card p { color: var(--on-dark-muted); }
.bg-dark .card h4, .on-dark .card h4 { color: #fff; }
.card-icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  display: grid; place-items: center; margin-bottom: 18px;
  background: var(--brand-tint); color: var(--brand-strong);
}
.card .go {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 16px;
  font-weight: 600; font-size: 0.9375rem; color: var(--brand-strong);
}
.card:hover .go { text-decoration: underline; }

/* Problem cards */
.problem-card h4 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; letter-spacing: 0.01em; }

/* Feature / flagship panel */
.flagship {
  display: grid; gap: 32px; align-items: center;
  background: var(--navy-900); color: var(--on-dark);
  border-radius: var(--radius-lg); overflow: hidden;
  padding: clamp(28px, 4vw, 56px);
  position: relative;
}
@media (min-width: 900px) { .flagship { grid-template-columns: 1.1fr 0.9fr; } }
.flagship .eyebrow { color: var(--brand-sky); }
.flagship .eyebrow::before { background: var(--brand-sky); }
.flagship p { color: var(--on-dark-muted); }

/* Product media cards */
.product-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.product-card .media {
  aspect-ratio: 4 / 3; background: #fff; display: grid; place-items: center;
  border-bottom: 1px solid var(--border); padding: 18px;
}
.product-card .media img { max-height: 100%; width: auto; object-fit: contain; }
.product-card .media.diagram { background: #eef2f7; color: #52657e; }
.product-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card .body p { flex: 1; }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 3px;
  background: #eef2f6; color: #3d5068; border: 1px solid var(--border);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 10px; width: fit-content;
}
.badge.amber { background: var(--brand-tint); color: var(--brand-deep); border-color: #cfe1ef; }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 64px; padding-block: 8px; }
.step + .step { margin-top: 28px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  width: 46px; height: 46px; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  color: var(--brand-strong); background: var(--brand-tint); border-radius: var(--radius);
}
.step h4 { margin-bottom: 4px; }
.step p { color: var(--text-muted); font-size: 0.9875rem; }
.bg-dark .step h4, .on-dark .step h4 { color: #fff; }
.bg-dark .step p, .on-dark .step p { color: var(--on-dark-muted); }
.bg-dark .step::before, .on-dark .step::before {
  background: rgba(255,255,255,0.08); color: var(--brand-sky);
}

/* Checklist */
.checklist { list-style: none; padding: 0; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist svg { flex: none; color: var(--brand); margin-top: 3px; }
.on-dark .checklist svg, .bg-dark .checklist svg, .flagship .checklist svg { color: var(--brand-sky); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 0.95rem; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }
th { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; letter-spacing: 0.04em; background: var(--navy-900); color: #fff; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #f0f5fa; }
td .fam { font-weight: 700; color: var(--brand-strong); white-space: nowrap; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 85% 20%, rgba(30, 133, 201, 0.16), transparent 60%),
    var(--navy-950);
  color: #fff;
}
.cta-band .inner {
  display: grid; gap: 28px; align-items: center;
  padding-block: clamp(48px, 7vw, 80px);
}
@media (min-width: 900px) { .cta-band .inner { grid-template-columns: 1.2fr auto; } }
.cta-band h2 { color: #fff; }
.cta-band p { color: var(--on-dark-muted); margin-top: 10px; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.phone-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: 0.03em;
  color: #fff !important; text-decoration: none !important;
}
.phone-link svg { color: var(--brand-sky); }
.phone-link:hover { color: var(--brand-sky) !important; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--on-dark-muted); font-size: 0.95rem; }
.footer-main {
  display: grid; gap: 40px; padding-block: 56px 40px;
}
@media (min-width: 840px) { .footer-main { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.site-footer h4 { color: #fff; font-family: var(--font-display); letter-spacing: 0.08em; text-transform: uppercase; font-size: 1rem; margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--on-dark-muted); }
.site-footer a:hover { color: #fff; }
.site-footer .brand-name { color: #fff; }
.site-footer .brand-tag { color: var(--brand-sky); }
.footer-brand p { margin-top: 14px; max-width: 34ch; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { flex: none; color: var(--brand-sky); margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: 20px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  font-size: 0.85rem; color: #8aa4bd;
}
.footer-bottom a { color: inherit; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background:
    radial-gradient(900px 380px at 85% -20%, rgba(17, 112, 175, 0.3), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900));
  color: #fff; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 100% at 70% 0%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 90% 100% at 70% 0%, #000 20%, transparent 70%);
}
.page-hero .container { position: relative; padding-block: clamp(48px, 6vw, 80px); }
.page-hero h1 { color: #fff; font-size: clamp(2.25rem, 4.5vw, 3.25rem); margin-top: 8px; }
.page-hero .lead { color: var(--on-dark-muted); margin-top: 16px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; font-size: 0.875rem; color: var(--on-dark-muted); }
.breadcrumb a { color: var(--on-dark-muted); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #6a89a5; }

/* ---------- Misc ---------- */
.split { display: grid; gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } .split.rev > :first-child { order: 2; } }
.split .img-frame { border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; padding: 20px; box-shadow: var(--shadow-1); }
.img-frame img { margin-inline: auto; }
.img-frame figcaption { text-align: center; font-size: 0.85rem; color: var(--text-faint); padding-top: 12px; }

.logo-row { display: flex; flex-wrap: wrap; gap: 12px 12px; align-items: center; }
.brand-chip {
  font-family: var(--font-display); font-weight: 600; letter-spacing: 0.06em; font-size: 1.05rem;
  color: var(--text-muted); border: 1px solid var(--border); border-radius: 3px;
  padding: 8px 16px; background: #fff;
}

.notice {
  border: 1px solid var(--border); border-left: 3px solid var(--brand);
  background: var(--surface); border-radius: var(--radius);
  padding: 16px 20px; font-size: 0.95rem; color: var(--text-muted);
}

/* Forms */
.form-grid { display: grid; gap: 18px; }
@media (min-width: 720px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .full { grid-column: 1 / -1; } }
.field label { display: block; font-weight: 600; font-size: 0.9375rem; margin-bottom: 6px; }
.field .req { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px;
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: #fff; transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(17, 112, 175, 0.15);
}
.field .hint { font-size: 0.85rem; color: var(--text-faint); margin-top: 6px; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
}

/* Utility */
.mt-1 { margin-top: var(--space-1); } .mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.center { text-align: center; }
.center p { margin-inline: auto; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}