/* ============================================================
   Block Construction Inc. — bcipanama.com
   Design system · Barlow / Barlow Condensed · Navy + Gold
   ============================================================ */

/* ---------- Fonts (self-hosted, latin) ---------- */
@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/barlow-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/barlow-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-condensed-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/barlow-condensed-700.woff2') format('woff2');
}

/* ---------- Tokens ---------- */
:root {
  --navy-900: #0F1435;
  --navy-800: #1A2159;
  --navy-700: #232D7E;
  --navy-600: #2B3990;
  --navy-050: #EEF0F8;
  --gold-500: #F5B92B;
  --gold-600: #D99F14;
  --gold-700: #9C6B12;
  --gold-050: #FEF6E3;
  --border-input: #7C84AC;
  --ink-900: #12152B;
  --ink-700: #3C4160;
  --ink-500: #5A5F7D;
  --paper: #FFFFFF;
  --surface: #F4F5F9;
  --line: #E2E4EF;
  --font-body: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-display: 'Barlow Condensed', 'Arial Narrow', var(--font-body);
  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(15, 20, 53, .08);
  --shadow-md: 0 10px 30px rgba(15, 20, 53, .12);
  --shadow-lg: 0 24px 60px rgba(15, 20, 53, .18);
  --container: 1180px;
  --header-h: 76px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-700);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--navy-600); }
h1, h2, h3, h4 { color: var(--ink-900); line-height: 1.12; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }
strong { color: var(--ink-900); }
:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 2px; border-radius: 2px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 300;
  background: var(--navy-900); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  padding: 14px 28px; border-radius: 6px; border: 2px solid transparent;
  cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
  text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn-gold { background: var(--gold-500); color: var(--navy-900); }
.btn-gold:hover { background: var(--gold-600); color: var(--navy-900); }
.btn-navy { background: var(--navy-700); color: #fff; }
.btn-navy:hover { background: var(--navy-600); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn-outline { background: transparent; color: var(--navy-700); border-color: var(--navy-700); }
.btn-outline:hover { background: var(--navy-050); }
.btn svg { flex: none; }

/* ---------- Topbar ---------- */
.topbar {
  background: var(--navy-900); color: #C9CEE8; font-size: .875rem;
}
.topbar .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 40px; gap: 16px; flex-wrap: wrap; padding-top: 4px; padding-bottom: 4px;
}
.topbar-contacts { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar a { color: #E8EAF6; display: inline-flex; align-items: center; gap: 7px; padding: 6px 0; min-height: 24px; }
.topbar a:hover { color: var(--gold-500); }
.topbar svg { opacity: .75; }
.lang-switch { display: inline-flex; align-items: center; gap: 8px; }
.lang-switch a { color: #A9B0D6; font-weight: 600; letter-spacing: .04em; padding: 6px 4px; min-height: 24px; display: inline-flex; align-items: center; }
.lang-switch a[aria-current="true"] { color: var(--gold-500); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: #fff; border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 118px; height: 72px; object-fit: contain; }
.nav-main { display: flex; align-items: center; gap: 8px; }
.nav-main a {
  font-weight: 600; font-size: .9375rem; color: var(--ink-900);
  padding: 10px 14px; border-radius: 6px; letter-spacing: .01em;
}
.nav-main a:hover { background: var(--navy-050); color: var(--navy-700); }
.nav-main a[aria-current="page"] { color: var(--navy-700); box-shadow: inset 0 -3px 0 var(--gold-500); border-radius: 6px 6px 0 0; }
.nav-cta { margin-left: 10px; padding: 11px 20px; font-size: .9375rem; }
.nav-toggle {
  display: none; background: none; border: 0; padding: 10px; cursor: pointer; border-radius: 6px;
}
.nav-backdrop { display: none; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 26px; height: 3px; background: var(--navy-900); border-radius: 2px;
  position: relative; transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(8px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--navy-900);
  display: flex; flex-direction: column; justify-content: center;
  min-height: min(88vh, 860px);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(15,20,53,.93) 0%, rgba(26,33,89,.82) 45%, rgba(15,20,53,.55) 100%);
}
.hero .container { position: relative; z-index: 1; padding-top: 90px; padding-bottom: 60px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-weight: 600; letter-spacing: .18em; text-transform: uppercase; font-size: .8125rem;
  color: var(--gold-500); margin-bottom: 22px;
}
.hero-kicker::before { content: ""; width: 44px; height: 2px; background: var(--gold-500); }
.hero h1 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.7rem, 6.4vw, 4.6rem); letter-spacing: .015em;
  color: #fff; max-width: 17ch; margin-bottom: 20px;
}
.hero h1 em { font-style: normal; color: var(--gold-500); }
.hero-lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: #DDE1F2; max-width: 56ch; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  position: relative; z-index: 1;
  border-top: 1px solid rgba(255,255,255,.16);
  background: rgba(15, 20, 53, .55);
  backdrop-filter: blur(6px);
}
.hero-stats .container {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  padding-top: 26px; padding-bottom: 26px;
}
.stat .stat-num {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 3.6vw, 3rem);
  color: var(--gold-500); line-height: 1; letter-spacing: .01em;
}
.stat .stat-label { color: #C9CEE8; font-size: .9375rem; margin-top: 6px; }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section-alt { background: var(--surface); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-weight: 700; letter-spacing: .18em; text-transform: uppercase; font-size: .8125rem;
  color: var(--navy-600); margin-bottom: 14px;
}
.kicker::before { content: ""; width: 38px; height: 2px; background: var(--gold-500); }
.section-head.center .kicker::after { content: ""; width: 38px; height: 2px; background: var(--gold-500); }
.section-title {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2rem, 4.2vw, 3rem); letter-spacing: .015em;
}
.section-title em { font-style: normal; color: var(--navy-600); }
.lead { font-size: 1.125rem; color: var(--ink-500); }

/* ---------- Service cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px 30px; position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-600));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  color: var(--gold-700); letter-spacing: .12em; margin-bottom: 14px; display: block;
}
.service-card .icon {
  width: 54px; height: 54px; border-radius: 12px; background: var(--navy-050);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  color: var(--navy-700);
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.service-card p { color: var(--ink-500); font-size: .9875rem; margin-bottom: 0; }

/* ---------- Project cards ---------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.project-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--navy-900); box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3.4;
}
.project-card img {
  width: 100%; height: 100%; object-fit: cover; opacity: .96;
  transition: transform .45s ease, opacity .3s ease;
}
.project-card:hover img { transform: scale(1.05); opacity: .75; }
.project-card .project-info {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 44px 22px 18px;
  background: linear-gradient(180deg, rgba(15,20,53,0) 0%, rgba(15,20,53,.88) 60%);
  color: #fff;
}
.project-card h3, .project-card h4 { color: #fff; font-size: 1.15rem; line-height: 1.25; margin: 0 0 4px; }
.project-card .project-loc {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--gold-500); font-size: .85rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
}
.badge {
  display: inline-block; background: var(--gold-500); color: var(--navy-900);
  font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 4px; position: absolute; top: 14px; left: 14px;
}

/* ---------- Global Group band ---------- */
.band-global {
  position: relative; background: var(--navy-900); color: #C9CEE8; overflow: hidden;
}
.band-global .band-media { position: absolute; inset: 0 0 0 46%; }
.band-global .band-media img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.band-global .band-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--navy-900) 0%, rgba(15,20,53,.25) 55%, rgba(15,20,53,.45) 100%);
}
.band-global .container { position: relative; z-index: 1; padding-top: 96px; padding-bottom: 96px; }
.band-global .band-content { max-width: 54%; }
.band-global .kicker { color: var(--gold-500); }
.band-global .section-title { color: #fff; }
.band-global p { color: #C9CEE8; }
.band-global strong { color: #fff; }
.band-global .band-points { list-style: none; padding: 0; margin: 26px 0 34px; display: grid; gap: 14px; }
.band-global .band-points li { display: flex; gap: 12px; align-items: flex-start; }
.band-global .band-points svg { flex: none; margin-top: 4px; color: var(--gold-500); }

/* ---------- Client logos ---------- */
.logo-band { padding: 64px 0; }
.logo-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: center;
}
.logo-grid .client-logo {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; display: flex; align-items: center; justify-content: center;
  transition: box-shadow .25s ease, transform .25s ease;
}
.logo-grid .client-logo:hover { box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.logo-grid img { max-height: 64px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .75; transition: filter .25s ease, opacity .25s ease; }
.logo-grid .client-logo:hover img { filter: grayscale(0); opacity: 1; }

/* ---------- Steps / proceso ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
}
.section-alt .step { background: #fff; }
.step-num {
  font-family: var(--font-display); font-weight: 700; font-size: 2.6rem; line-height: 1;
  color: var(--navy-050); -webkit-text-stroke: 1.5px var(--navy-600);
  display: block; margin-bottom: 14px;
}
.step h3 { font-size: 1.15rem; }
.step p { font-size: .95rem; color: var(--ink-500); margin: 0; }

/* ---------- Value list (nosotros) ---------- */
.value-list { list-style: none; padding: 0; display: grid; gap: 18px; }
.value-list li { display: flex; gap: 14px; align-items: flex-start; }
.value-list .dot {
  flex: none; width: 42px; height: 42px; border-radius: 10px; background: var(--gold-050);
  color: var(--gold-600); display: flex; align-items: center; justify-content: center; margin-top: 2px;
}

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.split-media .media-tag {
  position: absolute; bottom: -20px; left: -20px;
  background: var(--navy-700); color: #fff; border-radius: var(--radius);
  padding: 20px 26px; box-shadow: var(--shadow-md); max-width: 260px;
}
.split-media .media-tag .num {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; color: var(--gold-500); line-height: 1;
}
.split-media .media-tag .txt { font-size: .9rem; color: #DDE1F2; margin-top: 4px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(100deg, var(--navy-700), var(--navy-600)); color: #fff; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; top: -40%; right: -6%; width: 420px; height: 420px;
  border: 60px solid rgba(245,185,43,.16); border-radius: 50%;
}
.cta-band .container {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  gap: 32px; padding-top: 68px; padding-bottom: 68px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-family: var(--font-display); text-transform: uppercase; font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 0 0 6px; }
.cta-band p { color: #DDE1F2; margin: 0; max-width: 52ch; }
.cta-band .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: start; }
.office-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; margin-bottom: 22px;
}
.office-card h2 { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; margin-bottom: .5em; }
.office-card h2 .flag { font-size: 1.3rem; }
.office-card ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 12px; }
.office-card li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-700); }
.office-card li svg { flex: none; color: var(--navy-600); margin-top: 3px; }
.office-card a { font-weight: 600; }

.contact-form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-weight: 600; font-size: .9375rem; color: var(--ink-900); }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink-900);
  border: 1.5px solid var(--border-input); border-radius: 6px; padding: 12px 14px; background: #fff;
  transition: border-color .2s ease;
  width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(43,57,144,.12);
}
.form-field [aria-invalid="true"] { border-color: #B3261E; }
.field-err { color: #B3261E; font-size: .85rem; font-weight: 600; }
.form-actions { display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.form-status { display: none; margin: 14px 0 0; padding: 12px 16px; border-radius: 6px; font-weight: 600; }
.form-status.ok { display: block; background: #E6F4EA; color: #1C5E38; }
.form-status.err { display: block; background: #FDEBEA; color: #99231B; }
.form-note { font-size: .875rem; color: var(--ink-500); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #A9B0D6; font-size: .95rem; }
.footer-main {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 40px;
  padding: 68px 0 46px;
}
.site-footer h3 {
  color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .12em;
  margin-bottom: 18px;
}
.site-footer h3::after { content: ""; display: block; width: 30px; height: 2px; background: var(--gold-500); margin-top: 8px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: #C9CEE8; }
.site-footer a:hover { color: var(--gold-500); }
.footer-brand img { width: 150px; margin-bottom: 16px; }
.footer-brand p { color: #A9B0D6; max-width: 34ch; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { flex: none; margin-top: 4px; color: var(--gold-500); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .875rem; padding-right: 88px; }
.footer-bottom a { color: #A9B0D6; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative; background: var(--navy-900); color: #fff; overflow: hidden;
}
.page-hero .hero-bg::after {
  background: linear-gradient(100deg, rgba(15,20,53,.95) 10%, rgba(26,33,89,.8) 60%, rgba(15,20,53,.6) 100%);
}
.page-hero .container { position: relative; z-index: 1; padding-top: 92px; padding-bottom: 72px; }
.page-hero h1 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.3rem, 5vw, 3.6rem); color: #fff; margin-bottom: 12px;
}
.page-hero .lead { color: #DDE1F2; max-width: 62ch; margin: 0; }
.breadcrumbs { font-size: .875rem; margin-bottom: 22px; color: #A9B0D6; }
.breadcrumbs ol { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0; flex-wrap: wrap; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: #5F6480; }
.breadcrumbs a { color: #C9CEE8; }
.breadcrumbs [aria-current] { color: var(--gold-500); }

/* ---------- Category blocks (proyectos) ---------- */
.cat-head { display: flex; align-items: baseline; gap: 18px; margin: 64px 0 26px; }
.cat-head:first-of-type { margin-top: 0; }
.cat-head h3 {
  font-family: var(--font-display); text-transform: uppercase; font-size: 1.7rem; margin: 0;
}
.cat-head .cat-line { flex: 1; height: 1px; background: var(--line); }
.mini-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mini-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px;
}
.section-alt .mini-card { background: #fff; }
.mini-card h4 { font-size: 1.05rem; margin: 0 0 3px; }
.mini-card p { font-size: .875rem; color: var(--ink-500); margin: 0; }
.mini-card .m2 { color: var(--gold-700); font-weight: 700; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
details.faq {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 0;
}
details.faq summary {
  cursor: pointer; font-weight: 600; color: var(--ink-900); font-size: 1.05rem;
  padding: 20px 54px 20px 24px; position: relative; list-style: none;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display); font-size: 1.6rem; color: var(--navy-600); transition: transform .2s ease;
}
details.faq[open] summary::after { content: "–"; }
details.faq .faq-body { padding: 0 24px 20px; color: var(--ink-700); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1060px) {
  .grid-3, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .band-global .band-content { max-width: 100%; }
  .band-global .band-media { position: absolute; inset: 0; }
  .band-global .band-media img { opacity: .18; }
  .band-global .band-media::after { background: rgba(15,20,53,.55); }
}
@media (max-width: 900px) {
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split-media { order: -1; }
  .split-media .media-tag { left: 14px; bottom: -16px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .mini-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-main {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 84vw); z-index: 250;
    background: var(--navy-900); flex-direction: column; align-items: stretch;
    padding: 90px 26px 30px; gap: 6px;
    transform: translateX(100%); transition: transform .3s ease;
    box-shadow: var(--shadow-lg);
  }
  .nav-open .nav-main { transform: translateX(0); }
  .nav-main a { color: #fff; font-size: 1.08rem; padding: 13px 14px; }
  .nav-main a:hover { background: rgba(255,255,255,.08); color: #fff; }
  .nav-main a[aria-current="page"] { color: var(--gold-500); box-shadow: none; }
  .nav-cta { margin: 14px 0 0; }
  .nav-open .nav-toggle { position: relative; z-index: 260; }
  .nav-open .nav-toggle span, .nav-open .nav-toggle span::before, .nav-open .nav-toggle span::after { background: #fff; }
  .nav-open .nav-toggle span { background: transparent; }
  .nav-backdrop {
    display: block;
    position: fixed; inset: 0; z-index: 240; background: rgba(15,20,53,.5);
    opacity: 0; pointer-events: none; transition: opacity .25s ease; border: 0;
  }
  .nav-open .nav-backdrop { opacity: 1; pointer-events: auto; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .topbar-contacts a:nth-child(2), .topbar-contacts a:nth-child(3) { display: none; }
  .topbar .container { flex-wrap: nowrap; }
  .grid-3, .grid-2, .project-grid, .steps, .form-grid { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .mini-cards { grid-template-columns: 1fr; }
  .hero .container { padding-top: 64px; }
  .hero-stats .container { gap: 22px; }
  .topbar .topbar-contacts { gap: 14px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
}