/* TX Constructions Inc. — txconstructionsinc.com */
:root {
    --plum: #2b1d40;
    --plum-deep: #1b1424;
    --gold: #a8792b;
    --gold-light: #c9a25a;
    --stone: #e4ddd5;
    --ivory: #f6f3ee;
    --paper: #fbfaf7;
    --ink: #1d1a20;
    --text: #3d3840;
    --muted: #756e78;
    --line: rgba(29, 26, 32, 0.12);
    --white: #ffffff;
    --dark-color: #1b1424;
    --accent-color: #c9a25a;
    --primary-color: #2b1d40;
    --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
    --sans: "Jost", "Helvetica Neue", Arial, sans-serif;
    --wrap: 1240px;
    --transition: all 0.35s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--sans);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.75;
    color: var(--text);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--plum); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; color: var(--ink); line-height: 1.15; margin: 0 0 0.6em; letter-spacing: 0.005em; }
h1 { font-size: clamp(2.6rem, 5.6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.1rem); }
h3 { font-size: clamp(1.4rem, 2vw, 1.75rem); }
p { margin: 0 0 1.2em; }
ul { padding-left: 1.2em; }
.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 820px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--plum); color: #fff; padding: 10px 16px; z-index: 999; }
.skip:focus { left: 10px; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 14px;
    font-size: 0.76rem; font-weight: 500; letter-spacing: 0.28em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 1.2rem;
}
.eyebrow::before { content: ""; width: 38px; height: 1px; background: currentColor; }
.lead { font-size: 1.16rem; color: var(--text); max-width: 680px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.center .eyebrow { justify-content: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 15px 30px; border: 1px solid var(--plum); background: var(--plum); color: #fff;
    font-family: var(--sans); font-size: 0.82rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
    cursor: pointer; transition: var(--transition);
}
.btn:hover { background: var(--gold); border-color: var(--gold); color: #fff; }
.btn-gold { background: var(--gold); border-color: var(--gold); }
.btn-gold:hover { background: var(--plum); border-color: var(--plum); }
.btn-ghost { background: transparent; color: var(--plum); }
.btn-ghost:hover { background: var(--plum); color: #fff; border-color: var(--plum); }
.btn-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-light:hover { background: #fff; color: var(--plum); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2rem; }
.link-arrow { align-self: flex-start; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--plum); border-bottom: 1px solid var(--gold); padding-bottom: 4px; }

/* ---------- top bar & header ---------- */
.topbar { background: var(--plum-deep); color: rgba(255, 255, 255, 0.72); font-size: 0.8rem; letter-spacing: 0.04em; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 40px; gap: 16px; }
.topbar a { color: rgba(255, 255, 255, 0.85); }
.topbar a:hover { color: var(--gold-light); }
.topbar-contacts { display: flex; gap: 22px; flex-wrap: wrap; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(251, 250, 247, 0.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: var(--transition); }
.site-header.scrolled { box-shadow: 0 8px 30px rgba(27, 20, 36, 0.08); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 86px; gap: 20px; }
.logo a { display: flex; align-items: center; gap: 14px; color: var(--primary-color); text-decoration: none; transition: opacity 0.3s; }
.logo a:hover { opacity: 0.8; color: var(--primary-color); }
.logo img { width: 52px; height: 52px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text strong { font-family: var(--serif); font-size: 1.62rem; font-weight: 600; letter-spacing: 0.1em; color: var(--plum); }
.logo-text small { font-size: 0.62rem; letter-spacing: 0.42em; text-transform: uppercase; color: var(--gold); margin-top: 6px; }

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.main-nav li { position: relative; }
.main-nav a, .main-nav .dd-btn {
    display: block; padding: 12px 14px; font-family: var(--sans); font-size: 0.8rem; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); background: none; border: 0; cursor: pointer;
}
.main-nav a:hover, .main-nav a.active, .main-nav .dd-btn:hover, .main-nav .dd-btn.active { color: var(--gold); }
.dd-btn::after { content: ""; display: inline-block; width: 6px; height: 6px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); margin: 0 0 3px 8px; }
.dropdown { position: absolute; top: 100%; left: 50%; width: max-content; max-width: calc(100vw - 40px); background: #fff; border-top: 2px solid var(--gold); box-shadow: 0 18px 40px rgba(27, 20, 36, 0.12); padding: 14px 30px 18px; opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: var(--transition); }
.has-dd:hover .dropdown, .has-dd:focus-within .dropdown, .has-dd.open .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-wrap { position: relative; }
.main-nav li.has-dd { position: static; }
.dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -30px; height: 30px; }
.dd-row { display: grid; grid-template-columns: 140px auto; align-items: center; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.dd-label { font-size: 0.66rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); }
.main-nav .dd-row ul { display: grid; grid-template-columns: 215px 250px 205px; gap: 0 24px; }
.main-nav .dropdown a { padding: 6px 0; font-size: 0.76rem; letter-spacing: 0.08em; white-space: nowrap; }
.main-nav .dropdown a.dd-all { display: inline-block; margin-top: 12px; padding: 0 0 3px; color: var(--plum); border-bottom: 1px solid var(--gold); letter-spacing: 0.16em; }
.main-nav .dropdown a.dd-all:hover { color: var(--gold); }
.nav-cta { margin-left: 10px; }
.main-nav .nav-cta a { background: var(--plum); color: #fff; padding: 13px 22px; }
.main-nav .nav-cta a:hover { background: var(--gold); color: #fff; }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: transparent; cursor: pointer; position: relative; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { position: absolute; left: 12px; width: 20px; height: 1.5px; background: var(--ink); content: ""; transition: var(--transition); }
.menu-toggle span { top: 22px; }
.menu-toggle span::before { top: -7px; left: 0; }
.menu-toggle span::after { top: 7px; left: 0; }
.nav-open .menu-toggle span { background: transparent; }
.nav-open .menu-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .menu-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: min(88vh, 860px); display: flex; align-items: flex-end; color: #fff; overflow: hidden; background: var(--plum-deep); }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(27, 20, 36, 0.78) 0%, rgba(27, 20, 36, 0.5) 50%, rgba(27, 20, 36, 0.18) 100%), linear-gradient(180deg, rgba(27, 20, 36, 0) 50%, rgba(27, 20, 36, 0.8) 100%); }
.hero .container { position: relative; z-index: 2; padding-top: 140px; padding-bottom: 90px; }
.hero h1 { color: #fff; max-width: 900px; margin-bottom: 0.4em; }
.hero h1 em { font-style: italic; color: var(--gold-light); }
.hero p { font-size: 1.18rem; color: rgba(255, 255, 255, 0.86); max-width: 640px; }
.hero .eyebrow { color: var(--gold-light); }
.hero-stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, 0.2); margin-top: 3rem; }
.hero-stats div { padding: 24px 22px 0 0; }
.hero-stats strong { display: block; font-family: var(--serif); font-size: 2.5rem; font-weight: 500; color: #fff; line-height: 1; }
.hero-stats span { font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255, 255, 255, 0.7); }

.page-hero { position: relative; min-height: 460px; display: flex; align-items: flex-end; color: #fff; background: var(--plum-deep); overflow: hidden; }
.page-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(27, 20, 36, 0.7) 0%, rgba(27, 20, 36, 0.3) 70%), linear-gradient(180deg, rgba(27, 20, 36, 0.2), rgba(27, 20, 36, 0.8)); }
.page-hero .container { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 60px; }
.page-hero h1 { color: #fff; font-size: clamp(2.3rem, 4.6vw, 3.9rem); max-width: 920px; }
.page-hero p { color: rgba(255, 255, 255, 0.86); max-width: 700px; font-size: 1.1rem; margin: 0; }
.page-hero .eyebrow { color: var(--gold-light); }
.crumbs { font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255, 255, 255, 0.7); margin-bottom: 1.4rem; }
.crumbs a { color: rgba(255, 255, 255, 0.85); }
.crumbs a:hover { color: var(--gold-light); }
.crumbs span { margin: 0 8px; opacity: 0.6; }

/* ---------- sections ---------- */
.section { padding: 120px 0; }
.section-sm { padding: 80px 0; }
.bg-ivory { background: var(--ivory); }
.bg-stone { background: var(--stone); }
.bg-dark { background: var(--plum-deep); color: rgba(255, 255, 255, 0.78); }
.bg-dark h2, .bg-dark h3 { color: #fff; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 56px; flex-wrap: wrap; }
.section-head > div { max-width: 720px; }
.section-head h2 { margin-bottom: 0.3em; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split.wide-img { grid-template-columns: 1.15fr 1fr; }
.split-img { position: relative; }
.split-img img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.split-img .img-accent { position: absolute; right: -30px; bottom: -30px; width: 46%; aspect-ratio: 1; object-fit: cover; border: 10px solid var(--paper); }
.split-img.landscape img { aspect-ratio: 4 / 3; }
.signature { font-family: var(--serif); font-style: italic; font-size: 1.5rem; color: var(--plum); }

.feature-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 18px; }
.feature-list li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start; }
.feature-list li::before { content: ""; width: 26px; height: 26px; border: 1px solid var(--gold); border-radius: 50%; background: radial-gradient(circle, var(--gold) 0 3px, transparent 4px); margin-top: 3px; }
.feature-list strong { display: block; color: var(--ink); font-weight: 500; }

/* advantages */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.adv { padding: 40px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.adv .num { font-family: var(--serif); font-size: 1rem; color: var(--gold); letter-spacing: 0.1em; }
.adv h3 { font-size: 1.45rem; margin: 14px 0 10px; }
.adv p { font-size: 0.96rem; color: var(--muted); margin: 0; }
.bg-dark .adv-grid { border-color: rgba(255, 255, 255, 0.12); }
.bg-dark .adv { background: transparent; border-color: rgba(255, 255, 255, 0.12); }
.bg-dark .adv p { color: rgba(255, 255, 255, 0.66); }

/* services cards */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.svc-card { background: #fff; display: flex; flex-direction: column; transition: var(--transition); }
.svc-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(27, 20, 36, 0.1); }
.svc-card .thumb { overflow: hidden; aspect-ratio: 4 / 3; }
.svc-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s ease; }
.svc-card:hover .thumb img { transform: scale(1.05); }
.svc-card .body { padding: 30px 30px 34px; flex: 1; display: flex; flex-direction: column; }
.svc-card h3 { margin-bottom: 0.4em; }
.svc-card h3 a { color: var(--ink); }
.svc-card p { font-size: 0.97rem; color: var(--muted); flex: 1; }

/* project cards */
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.proj-grid.three { grid-template-columns: repeat(3, 1fr); gap: 30px; }
.proj-card { display: block; color: var(--ink); }
.proj-card .thumb { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--stone); }
.proj-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s ease; }
.proj-card:hover .thumb img { transform: scale(1.05); }
.proj-card .tag { position: absolute; left: 18px; top: 18px; background: rgba(251, 250, 247, 0.94); color: var(--plum); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; padding: 7px 12px; }
.proj-card .meta { padding: 22px 0 0; }
.proj-card h3 { margin-bottom: 0.3em; transition: var(--transition); }
.proj-card:hover h3 { color: var(--gold); }
.proj-card p { color: var(--muted); font-size: 0.95rem; margin: 0; }
.proj-card.feature { grid-column: span 2; }
.proj-card.feature .thumb { aspect-ratio: 21 / 9; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.filters button { border: 1px solid var(--line); background: transparent; padding: 10px 20px; font-family: var(--sans); font-size: 0.76rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text); cursor: pointer; transition: var(--transition); }
.filters button.active, .filters button:hover { background: var(--plum); color: #fff; border-color: var(--plum); }
.proj-card.hidden { display: none; }

/* gallery */
.gallery { columns: 3; column-gap: 18px; }
.gallery figure { break-inside: avoid; margin: 0 0 18px; position: relative; cursor: zoom-in; overflow: hidden; background: var(--stone); }
.gallery img { width: 100%; transition: transform 0.8s ease; }
.gallery figure:hover img { transform: scale(1.03); }
.gallery figcaption { font-size: 0.86rem; color: var(--muted); padding: 10px 2px 4px; background: var(--paper); }
.spec-card { background: var(--ivory); border-left: 2px solid var(--gold); padding: 30px 34px; }
.spec-card h3 { font-size: 1.35rem; }
.spec-card ul { margin: 0; padding-left: 1.1em; }
.spec-card li { margin-bottom: 6px; }
.spec-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin: 50px 0 60px; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 0 60px; }
.facts div { padding: 26px 24px 26px 0; }
.facts span { display: block; font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.facts strong { font-family: var(--serif); font-size: 1.35rem; font-weight: 500; color: var(--ink); }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 500; background: rgba(15, 11, 20, 0.95); display: none; align-items: center; justify-content: center; padding: 60px 70px; }
.lightbox.open { display: flex; }
.lightbox img { max-height: 84vh; max-width: 100%; object-fit: contain; }
.lightbox p { position: absolute; bottom: 20px; left: 0; right: 0; text-align: center; color: rgba(255, 255, 255, 0.8); font-size: 0.92rem; padding: 0 20px; }
.lightbox button { position: absolute; background: none; border: 1px solid rgba(255, 255, 255, 0.3); color: #fff; width: 50px; height: 50px; font-size: 1.4rem; cursor: pointer; }
.lightbox .lb-close { top: 18px; right: 18px; }
.lightbox .lb-prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next { right: 12px; top: 50%; transform: translateY(-50%); }

/* process */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; counter-reset: s; border-top: 1px solid var(--line); }
.step { padding: 40px 36px 40px 0; border-bottom: 1px solid var(--line); }
.step .n { font-family: var(--serif); font-size: 3rem; color: var(--gold); line-height: 1; display: block; margin-bottom: 14px; }
.step h3 { font-size: 1.45rem; }
.step p { color: var(--muted); font-size: 0.97rem; margin: 0; }
.bg-dark .step { border-color: rgba(255, 255, 255, 0.12); }
.bg-dark .steps { border-color: rgba(255, 255, 255, 0.12); }
.bg-dark .step p { color: rgba(255, 255, 255, 0.66); }

/* sectors strip */
.sectors { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; }
.sector { position: relative; aspect-ratio: 3 / 4; overflow: hidden; color: #fff; display: block; }
.sector img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s ease; }
.sector::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(27, 20, 36, 0.85)); }
.sector span { position: absolute; left: 22px; right: 22px; bottom: 22px; z-index: 2; font-family: var(--serif); font-size: 1.45rem; line-height: 1.2; color: #fff; }
.sector:hover img { transform: scale(1.06); }

/* quote band */
.quote-band { text-align: center; }
.quote-band blockquote { font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.35; color: var(--ink); max-width: 960px; margin: 0 auto; font-style: italic; }
.bg-dark .quote-band blockquote { color: #fff; }

/* CTA */
.cta { position: relative; padding: 120px 0; color: #fff; overflow: hidden; background: var(--plum-deep); }
.cta > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.32; }
.cta .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: center; }
.cta h2 { color: #fff; }
.cta p { color: rgba(255, 255, 255, 0.8); }
.cta .eyebrow { color: var(--gold-light); }
.cta-contacts { border-left: 1px solid rgba(255, 255, 255, 0.2); padding-left: 40px; }
.cta-contacts a { display: block; color: #fff; font-family: var(--serif); font-size: 1.8rem; line-height: 1.3; }
.cta-contacts a:hover { color: var(--gold-light); }
.cta-contacts small { display: block; font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); margin: 18px 0 2px; }
.cta-contacts small:first-child { margin-top: 0; }

/* prose */
.prose h2 { margin-top: 1.6em; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.4em; }
.prose ul li { margin-bottom: 0.5em; }
.prose img { margin: 2rem 0; }
.aside-card { background: var(--ivory); padding: 36px; position: sticky; top: 120px; }
.aside-card h3 { font-size: 1.4rem; }
.aside-card ul { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.aside-card li { border-bottom: 1px solid var(--line); }
.aside-card li a { display: block; padding: 11px 0; font-size: 0.95rem; color: var(--text); }
.aside-card li a:hover, .aside-card li a.active { color: var(--gold); }
.with-aside { display: grid; grid-template-columns: 1fr 340px; gap: 80px; align-items: start; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-family: var(--serif); font-size: 1.4rem; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--sans); font-size: 1.5rem; color: var(--gold); transition: transform 0.3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-right: 40px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.contact-card { border-top: 1px solid var(--line); padding: 26px 0; }
.contact-card:last-child { border-bottom: 1px solid var(--line); }
.contact-card span { display: block; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.contact-card a, .contact-card strong { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; color: var(--ink); }
.contact-card a:hover { color: var(--gold); }
.contact-card p { margin: 4px 0 0; color: var(--muted); font-size: 0.95rem; }
.contact-form { background: #fff; padding: 50px; box-shadow: 0 30px 60px rgba(27, 20, 36, 0.07); }
.contact-form h2 { font-size: 2.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: block; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.contact-form .field { margin-bottom: 22px; }
.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%; border: 0; border-bottom: 1px solid rgba(29, 26, 32, 0.25); background: transparent; padding: 10px 0;
    font-family: var(--sans); font-size: 1rem; color: var(--ink); border-radius: 0; transition: border-color 0.3s;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--gold); }
.contact-form .btn { width: 100%; margin-top: 10px; }
.form-note { font-size: 0.85rem; color: var(--muted); margin-top: 16px; }

/* reveal */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s ease, transform 0.9s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- footer ---------- */
footer { background: var(--dark-color); color: var(--white); padding: 5rem 0 1.4rem; margin-top: 0; }
.footer-content { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { width: 64px; height: 64px; margin-bottom: 1.2rem; }
.footer-section h3 { color: var(--white); margin-bottom: 1.1rem; font-size: 1.3rem; }
.footer-section p, .footer-section a { color: rgba(255, 255, 255, 0.72); line-height: 1.8; font-size: 0.95rem; }
.footer-section p { margin: 0 0 0.6rem; }
.footer-section a:hover { color: var(--accent-color); }
.footer-section strong { color: rgba(255, 255, 255, 0.92); font-weight: 500; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.1); color: rgba(255, 255, 255, 0.55); font-size: 0.88rem; }
.footer-bottom p { margin-bottom: 0.5rem; }
.footer-partner { margin-top: 1rem; font-size: 0.86rem; color: rgba(255, 255, 255, 0.65); }
.footer-partner a { color: var(--accent-color); text-decoration: none; transition: var(--transition); }
.footer-partner a:hover { color: var(--white); }

.mobile-bar { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
    .nav-cta { display: none; }
    .main-nav a, .main-nav .dd-btn { padding: 12px 9px; letter-spacing: 0.12em; }
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .sectors { grid-template-columns: repeat(3, 1fr); }
    .sectors .sector:nth-child(n+4) { display: none; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
    .menu-toggle { display: block; }
    .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--paper); }
    .main-nav { position: fixed; inset: 0 0 0 auto; width: min(380px, 88vw); background: var(--paper); padding: 100px 28px 40px; transform: translateX(100%); transition: transform 0.4s ease; overflow-y: auto; box-shadow: -20px 0 50px rgba(0, 0, 0, 0.15); z-index: 90; }
    .nav-open .main-nav { transform: none; }
    .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
    .main-nav li { border-bottom: 1px solid var(--line); }
    .main-nav a, .main-nav .dd-btn { padding: 16px 0; width: 100%; text-align: left; }
    .dropdown, .has-dd:hover .dropdown, .has-dd:focus-within .dropdown, .has-dd.open .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 14px 12px; display: none; width: auto; }
    .dd-row { grid-template-columns: 1fr; gap: 2px; padding: 10px 0 6px; }
    .main-nav .dd-row ul { grid-template-columns: 1fr; }
    .main-nav .dd-row li { border: 0; }
    .main-nav .dropdown a { padding: 8px 0; white-space: normal; }
    .has-dd.open .dropdown { display: block; }
    .nav-cta { display: block; margin: 20px 0 0; border: 0 !important; }
    .main-nav li.has-dd { position: relative; }
    .dropdown::before { display: none; }
    .main-nav .nav-cta a { text-align: center; }
    .menu-toggle { z-index: 95; }
    .split, .split.wide-img, .with-aside, .contact-grid, .cta .container { grid-template-columns: 1fr; gap: 50px; }
    .split-img .img-accent { right: 16px; bottom: -24px; width: 40%; }
    .svc-grid, .proj-grid.three { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .gallery { columns: 2; }
    .aside-card { position: static; }
    .cta-contacts { border-left: 0; padding-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 30px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .section { padding: 90px 0; }
}
@media (max-width: 680px) {
    body { font-size: 16px; padding-bottom: 58px; }
    .container { padding: 0 20px; }
    .topbar { display: none; }
    .nav-wrap { min-height: 72px; }
    .logo img { width: 42px; height: 42px; }
    .logo-text strong { font-size: 1.3rem; }
    .logo-text small { font-size: 0.55rem; letter-spacing: 0.3em; }
    .hero { min-height: 640px; }
    .hero::after, .page-hero::after { background: linear-gradient(180deg, rgba(27, 20, 36, 0.55), rgba(27, 20, 36, 0.88)); }
    .hero .container { padding-top: 110px; padding-bottom: 50px; }
    .hero-stats strong { font-size: 2rem; }
    .section { padding: 70px 0; }
    .section-sm { padding: 56px 0; }
    .svc-grid, .proj-grid, .proj-grid.three, .steps, .adv-grid, .facts, .form-row { grid-template-columns: 1fr; }
    .proj-card.feature { grid-column: auto; }
    .proj-card.feature .thumb { aspect-ratio: 4 / 3; }
    .sectors { grid-template-columns: 1fr 1fr; }
    .sectors .sector:nth-child(n+3) { display: none; }
    .gallery { columns: 1; }
    .contact-form { padding: 30px 22px; }
    .page-hero { min-height: 380px; }
    .step { padding-right: 0; }
    .lightbox { padding: 60px 10px; }
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    .mobile-bar { display: grid; grid-template-columns: 1fr 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80; background: var(--plum-deep); }
    .mobile-bar a { color: #fff; text-align: center; padding: 16px 4px; font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; border-right: 1px solid rgba(255, 255, 255, 0.12); }
    .mobile-bar a:last-child { background: var(--gold); border: 0; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
    .js .reveal { opacity: 1; transform: none; }
}