/* Lenis OGT — layout: full-bleed bands (dark steel / paper) with a 1180px measure; gold used only for marks, rules and the primary action. */
:root {
  --steel-900: #0e1724;
  --steel-800: #16233a;
  --steel-700: #223150;
  --paper: #f4f5f7;
  --paper-2: #e9ecf0;
  --white: #ffffff;
  --ink: #16202e;
  --ink-2: #4b586b;
  --line: #d6dbe3;
  --line-dark: rgba(255, 255, 255, 0.14);
  --gold: #ffd800;
  --gold-deep: #d9b400;
  --gold-ink: #6b5900;
  --font-display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --measure: 1180px;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.05; margin: 0; text-wrap: balance; font-weight: 700; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.wrap { max-width: var(--measure); margin-inline: auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.eyebrow { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.95rem; font-weight: 600; color: var(--gold-ink); display: inline-flex; align-items: center; gap: 0.6rem; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--gold); }
.dark .eyebrow { color: var(--gold); }
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 62ch; }
.dark .lede, .hero .lede, .page-hero .lede { color: rgba(255, 255, 255, 0.88); }
.stack { display: grid; gap: 1.1rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 1.05rem; padding: 0.85rem 1.5rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.btn-gold { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-deep); border-color: var(--gold-deep); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.5); }
.btn-ghost:hover { border-color: var(--white); }
.btn-ink { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ink:hover { background: var(--ink); color: var(--white); }
.btn svg, .more svg { width: 1em; height: 1em; flex: none; vertical-align: -0.15em; }

/* Header */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); background: var(--steel-900); z-index: 60; }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--steel-900); color: var(--white); border-bottom: 1px solid var(--line-dark); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none; flex: none; }
.brand img { height: 44px; width: auto; }
.brand-text { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; letter-spacing: 0.06em; line-height: 1; }
.brand-text small { display: block; font-size: 0.72rem; letter-spacing: 0.22em; font-weight: 500; color: rgba(255, 255, 255, 0.65); margin-top: 0.2rem; white-space: nowrap; }
.nav { display: flex; gap: 0.25rem; align-items: center; }
.nav a { font-family: var(--font-display); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 1rem; text-decoration: none; white-space: nowrap; padding: 0.55rem 0.75rem; color: rgba(255, 255, 255, 0.82); border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); border-bottom-color: var(--gold); }
.nav .btn { margin-left: 0.5rem; padding: 0.55rem 1rem; font-size: 0.95rem; }
.lang { display: inline-flex; align-items: center; gap: 0.1rem; margin-left: 0.75rem; padding-left: 0.75rem; border-left: 1px solid rgba(255, 255, 255, 0.25); }
.nav .lang a { padding: 0.4rem 0.45rem; font-size: 0.85rem; letter-spacing: 0.08em; color: rgba(255, 255, 255, 0.6); border-bottom: 0; }
.nav .lang a:hover { color: var(--white); }
.nav .lang a[aria-current="true"] { color: var(--gold); }
/* Long nav labels (Russian, Azerbaijani): tighter header so it fits above the menu breakpoint */
/* Barlow Condensed has no Cyrillic: Russian headings use Roboto Condensed */
html[lang="ru"] { --font-display: "Roboto Condensed", "Arial Narrow", Impact, sans-serif; }
html[lang="ru"] .nav a, html[lang="az"] .nav a { font-size: 0.9rem; padding-inline: 0.5rem; }
html[lang="ru"] .lang, html[lang="az"] .lang { margin-left: 0.4rem; padding-left: 0.4rem; }
html[lang="ru"] .nav .lang a, html[lang="az"] .nav .lang a { padding-inline: 0.35rem; }
html[lang="ru"] .brand-text small, html[lang="az"] .brand-text small { letter-spacing: 0.12em; }
@media (max-width: 430px) { html[lang="ru"] .brand-text small { font-size: 0.62rem; letter-spacing: 0.05em; } }
.nav-toggle { display: none; background: none; border: 2px solid rgba(255, 255, 255, 0.4); color: var(--white); width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; }
.nav-toggle svg { width: 22px; height: 22px; }
@media (max-width: 1200px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; background: var(--steel-800); padding: 0.5rem var(--gutter-r) 1rem var(--gutter-l); border-bottom: 1px solid var(--line-dark); }
  .nav.open { display: flex; }
  .nav a { padding: 0.8rem 0.5rem; border-bottom: 1px solid var(--line-dark); }
  .nav .btn { margin: 0.75rem 0 0; justify-content: center; }
  .lang { margin: 0.75rem 0 0; padding: 0.75rem 0 0; border-left: 0; border-top: 1px solid var(--line-dark); justify-content: center; gap: 0.5rem; }
  .nav .lang a { padding: 0.5rem 0.8rem; border-bottom: 0; }
}

/* Hero */
.hero { position: relative; background: var(--steel-900); color: var(--white); isolation: isolate; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 60%; opacity: 0.55; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14, 23, 36, 0.95) 0%, rgba(14, 23, 36, 0.75) 45%, rgba(14, 23, 36, 0.25) 100%); }
.hero .wrap { padding-block: clamp(4rem, 10vw, 8rem); display: grid; gap: 1.5rem; max-width: var(--measure); }
.hero h1 { max-width: 14ch; text-transform: uppercase; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero .lede { max-width: 56ch; font-size: 1.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.5rem; }
.hero-strip { background: var(--steel-800); border-top: 1px solid var(--line-dark); color: var(--white); }
.hero-strip .wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; }
.hero-strip a { display: flex; gap: 0.8rem; align-items: baseline; text-decoration: none; padding: 1.1rem 1rem 1.1rem 0; border-right: 1px solid var(--line-dark); font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; letter-spacing: 0.02em; }
.hero-strip a:last-child { border-right: 0; }
.hero-strip a span { color: var(--gold); font-weight: 700; font-variant-numeric: tabular-nums; }
.hero-strip a:hover { color: var(--gold); }
@media (max-width: 860px) { .hero-strip a { border-right: 0; border-bottom: 1px solid var(--line-dark); padding-inline: 0; } .hero-strip a:last-child { border-bottom: 0; } }

/* Page hero (inner pages) */
.page-hero { background: var(--steel-900); color: var(--white); position: relative; isolation: isolate; overflow: hidden; }
.page-hero .hero-media img { opacity: 0.35; }
.page-hero .wrap { padding-block: clamp(3rem, 7vw, 5.5rem); display: grid; gap: 1rem; }
.page-hero h1 { text-transform: uppercase; max-width: 18ch; font-size: clamp(2.2rem, 5vw, 3.8rem); }
.crumbs { font-size: 0.9rem; color: rgba(255, 255, 255, 0.6); }
.crumbs a { color: inherit; text-decoration: none; }
.crumbs a:hover { color: var(--gold); }

/* Sections */
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section-head { display: grid; gap: 0.9rem; max-width: 70ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.dark { background: var(--steel-800); color: var(--white); }
.dark .section-head p { color: rgba(255, 255, 255, 0.78); }
.light { background: var(--white); }

/* Intro split */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split > * { min-width: 0; }
.split figure { margin: 0; position: relative; }
.split figure img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.split figure::after { content: ""; position: absolute; left: -14px; bottom: -14px; width: 40%; height: 14px; background: var(--gold); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split figure::after { left: 0; } }
.split h2 { margin-bottom: 0.5rem; }
.split p + p { margin-top: 0.9rem; }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.card { background: var(--white); border: 1px solid var(--line); display: grid; grid-template-rows: auto 1fr; text-decoration: none; color: inherit; transition: transform 0.15s, box-shadow 0.15s; }
.dark .card { background: var(--steel-700); border-color: var(--line-dark); color: var(--white); }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(14, 23, 36, 0.18); }
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card-body { padding: 1.25rem 1.25rem 1.5rem; display: grid; gap: 0.6rem; align-content: start; }
.card-num { font-family: var(--font-display); font-weight: 700; color: var(--gold-ink); letter-spacing: 0.1em; font-size: 0.95rem; }
.dark .card-num { color: var(--gold); }
.card h3 { font-size: 1.45rem; }
.card p { color: var(--ink-2); font-size: 0.98rem; }
.dark .card p { color: rgba(255, 255, 255, 0.75); }
.card .more { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; font-size: 0.95rem; margin-top: 0.4rem; color: var(--ink); }
.dark .card .more { color: var(--gold); }

/* Methodology */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; counter-reset: step; }
.step { position: relative; padding: 1.5rem 1.25rem 1.5rem; border-top: 3px solid var(--gold); background: rgba(255, 255, 255, 0.04); display: grid; gap: 0.6rem; align-content: start; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; line-height: 1; color: var(--gold); font-variant-numeric: tabular-nums; }
.step h3 { font-size: 1.5rem; }
.step p { color: rgba(255, 255, 255, 0.78); font-size: 0.98rem; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* Why / list grid */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem 2.5rem; }
.fact { display: grid; gap: 0.35rem; padding-left: 1.1rem; border-left: 3px solid var(--gold); }
.fact h3 { font-size: 1.4rem; }
.fact p { color: var(--ink-2); }
.dark .fact p { color: rgba(255, 255, 255, 0.78); }

/* Industries */
.industries { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.industry { background: var(--white); padding: 1.5rem 1.4rem; display: grid; gap: 0.5rem; align-content: start; }
.industry h3 { font-size: 1.35rem; }
.industry p { color: var(--ink-2); font-size: 0.98rem; }

/* Service detail */
.detail { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.detail > * { min-width: 0; }
.scope { display: grid; gap: 0.75rem; }
.scope li { display: grid; grid-template-columns: 22px 1fr; gap: 0.75rem; align-items: start; padding: 0.9rem 1rem; background: var(--white); border: 1px solid var(--line); }
.scope svg { width: 22px; height: 22px; color: var(--gold-deep); margin-top: 0.15rem; }
.detail figure { margin: 0; }
.detail figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.detail figcaption { font-size: 0.85rem; color: var(--ink-2); margin-top: 0.5rem; }
@media (max-width: 860px) { .detail { grid-template-columns: 1fr; } }
.svc-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.75rem; }
.svc-nav a { text-decoration: none; padding: 1rem 1.1rem; border: 1px solid var(--line); background: var(--white); font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; display: grid; gap: 0.2rem; }
.svc-nav a span { color: var(--gold-ink); font-size: 0.85rem; letter-spacing: 0.1em; }
.svc-nav a[aria-current="page"] { border-color: var(--ink); background: var(--ink); color: var(--white); }
.svc-nav a[aria-current="page"] span { color: var(--gold); }
.svc-nav a:hover { border-color: var(--ink); }

/* CTA band */
.cta { background: var(--gold); color: var(--ink); }
.cta .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: clamp(2.5rem, 5vw, 3.5rem); }
.cta h2 { text-transform: uppercase; max-width: 22ch; }
.cta p { color: rgba(22, 32, 46, 0.8); max-width: 50ch; }
.cta .btn-ink { background: var(--ink); color: var(--white); }
.cta .btn-ink:hover { background: var(--steel-700); border-color: var(--steel-700); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); }
.contact > * { min-width: 0; }
.offices { display: grid; gap: 1.5rem; }
.office { display: grid; gap: 0.3rem; padding: 1.25rem 1.3rem; background: var(--white); border: 1px solid var(--line); }
.office .tag { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.14em; font-size: 0.9rem; color: var(--gold-ink); }
.office h3 { font-size: 1.35rem; }
.office address { font-style: normal; color: var(--ink-2); }
.channels { display: grid; gap: 0.5rem; }
.channels a, .channels span { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; text-decoration: none; }
.channels a:hover { color: var(--gold-ink); }
.channels small { display: block; font-family: var(--font-body); font-size: 0.85rem; color: var(--ink-2); letter-spacing: 0.08em; text-transform: uppercase; }
.form { display: grid; gap: 1rem; background: var(--white); border: 1px solid var(--line); padding: clamp(1.25rem, 3vw, 2rem); }
.field { display: grid; gap: 0.35rem; }
.field label { font-family: var(--font-display); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.9rem; }
.field input, .field select, .field textarea { font: inherit; padding: 0.7rem 0.8rem; border: 1px solid var(--line); background: var(--paper); color: var(--ink); width: 100%; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px rgba(255, 216, 0, 0.45); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: 0.85rem; color: var(--ink-2); }
.form-ok { padding: 1rem; background: #eef8ee; border: 1px solid #b9dfb9; color: #1f4d1f; }
.form-err { padding: 1rem; background: #fbeeee; border: 1px solid #e3b4b4; color: #6b1a1a; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { background: var(--steel-900); color: rgba(255, 255, 255, 0.78); font-size: 0.95rem; }
.site-footer .wrap { padding-block: 3rem 2rem; display: grid; gap: 2.5rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.foot-grid > * { min-width: 0; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-brand img { height: 90px; width: auto; margin-bottom: 0.8rem; }
.foot-brand p { max-width: 36ch; }
.foot h4 { font-size: 1.05rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.8rem; }
.foot ul { display: grid; gap: 0.45rem; }
.foot a { text-decoration: none; color: rgba(255, 255, 255, 0.78); }
.foot a:hover { color: var(--white); }
.foot address { font-style: normal; line-height: 1.5; }
.foot-legal { border-top: 1px solid var(--line-dark); padding-top: 1.25rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; font-size: 0.85rem; color: rgba(255, 255, 255, 0.55); }
.draft { position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; background: #b3000f; color: #fff; font-size: 0.85rem; text-align: center; padding: 0.45rem var(--gutter-r) calc(0.45rem + env(safe-area-inset-bottom, 0px)) var(--gutter-l); letter-spacing: 0.04em; }