/* Ironline Construction: bold, industrial, trustworthy */
:root {
    --char: #121417;
    --char-2: #1c1f24;
    --char-3: #262a31;
    --concrete: #eceae6;
    --paper: #f7f6f3;
    --orange: #ff6b1a;
    --orange-2: #ff8a45;
    --steel: #8a94a3;
    --ink: #1a1d22;
    --muted: #5f6672;
    --line: #dedbd5;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 400 16px/1.65 "Inter", system-ui, sans-serif; color: var(--ink); background: var(--paper); }
h1, h2, h3 { font-family: "Archivo", sans-serif; line-height: 1.05; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.8rem, 6.5vw, 5.2rem); font-weight: 900; text-transform: uppercase; }
h1 span { color: var(--orange); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--orange); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.ic { width: 1.2em; height: 1.2em; flex: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: "Archivo", sans-serif; font-weight: 800; font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: var(--orange); margin-bottom: 1em; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--orange); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }

.btn { display: inline-flex; align-items: center; gap: .5em; padding: 1em 1.6em; background: var(--orange); color: #fff; font-family: "Archivo", sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; font-size: .9rem; text-decoration: none; border: 2px solid var(--orange); border-radius: 4px; cursor: pointer; transition: transform .25s, background-color .25s, box-shadow .25s; }
.btn:hover { background: var(--orange-2); border-color: var(--orange-2); transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(255, 107, 26, .6); }
.btn-sm { padding: .7em 1.1em; font-size: .8rem; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: none; }
.btn-ghost-light { background: transparent; border-color: rgba(255, 255, 255, .4); }
.btn-ghost-light:hover { background: #fff; color: var(--char); border-color: #fff; }
.btn-dark { background: var(--char); border-color: var(--char); }
.btn-dark:hover { background: #000; border-color: #000; }
.btn-white { background: #fff; color: var(--char); border-color: #fff; }
.btn-white:hover { background: var(--concrete); border-color: var(--concrete); }

/* Top bar + nav */
.topbar { background: var(--char); color: #c5cad3; font-size: .85rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.topbar span, .topbar a { display: inline-flex; align-items: center; gap: 8px; color: #c5cad3; text-decoration: none; }
.topbar a { color: #fff; font-weight: 600; }
.topbar .ic { color: var(--orange); }
.nav { position: sticky; top: 0; z-index: 30; background: rgba(247, 246, 243, .95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.nav.scrolled { box-shadow: 0 10px 30px -15px rgba(0, 0, 0, .25); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--char); }
.logo-box { width: 46px; height: 46px; display: grid; place-items: center; background: var(--orange); color: #fff; font-family: "Archivo", sans-serif; font-weight: 900; font-size: 1.2rem; border-radius: 4px; transform: skewX(-8deg); }
.logo-text { font-family: "Archivo", sans-serif; font-weight: 900; font-size: 1.35rem; line-height: 1; letter-spacing: .02em; }
.logo-text small { display: block; font-size: .58rem; letter-spacing: .38em; color: var(--steel); font-weight: 700; margin-top: 3px; }
.logo-light { color: #fff; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a:not(.btn) { position: relative; color: var(--ink); text-decoration: none; font-weight: 600; padding: .5em .9em; }
.nav-links a:not(.btn)::after { content: ""; position: absolute; left: .9em; right: .9em; bottom: 0; height: 3px; background: var(--orange); transform: scaleX(0); transition: transform .3s; }
.nav-links a:not(.btn):hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links .btn { margin-left: 10px; }
.burger { display: none; width: 44px; height: 44px; background: var(--char); border: 0; border-radius: 4px; cursor: pointer; padding: 12px 10px; }
.burger span { display: block; height: 2px; background: #fff; margin: 6px 0; transition: transform .3s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
@media (max-width: 900px) {
    .burger { display: block; }
    .nav-links { position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--paper); padding: 14px 22px 22px; border-bottom: 1px solid var(--line); display: none; }
    .nav-links.open { display: flex; }
    .nav-links .btn { margin: 10px 0 0; justify-content: center; }
    .topbar span { display: none; }
    .topbar-inner { justify-content: center; }
}

/* Diagonal stripes accent */
.stripes { position: absolute; right: 0; top: 0; bottom: 0; width: 38%; background: repeating-linear-gradient(-45deg, transparent 0 22px, rgba(18, 20, 23, .04) 22px 44px); pointer-events: none; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 80px 0 100px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.rating { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .95rem; }
.stars { display: inline-flex; gap: 2px; color: #f5a623; }
.stars .ic { fill: currentColor; stroke: none; width: 18px; height: 18px; }
.hero-visual { position: relative; }
.hero-art { aspect-ratio: 4 / 4.4; border-radius: 6px; box-shadow: 24px 24px 0 var(--orange); }
.hero-art .ic { width: 30%; height: 30%; }
.hero-card { position: absolute; left: -30px; bottom: 40px; display: flex; gap: 14px; align-items: center; background: #fff; padding: 16px 20px; border-radius: 6px; box-shadow: 0 20px 40px -12px rgba(0, 0, 0, .3); animation: bob 5s ease-in-out infinite; }
.hero-card .ic { width: 36px; height: 36px; color: var(--orange); }
.hero-card strong { display: block; font-family: "Archivo", sans-serif; }
.hero-card span { color: var(--muted); font-size: .9rem; }
@keyframes bob { 50% { transform: translateY(-10px); } }

/* Project "photo" art */
.proj-art { position: relative; display: grid; place-items: center; overflow: hidden; color: rgba(255, 255, 255, .9);
    background: radial-gradient(circle at 75% 20%, color-mix(in srgb, var(--c2) 70%, transparent), transparent 55%), linear-gradient(160deg, var(--c1), #0d0f12); }
.proj-art::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 28px 28px; }
.proj-art::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 38%; background: linear-gradient(transparent, rgba(0, 0, 0, .5)); }
.proj-art .ic { position: relative; z-index: 1; width: 26%; height: 26%; stroke-width: 1.3; filter: drop-shadow(0 6px 16px rgba(0, 0, 0, .4)); transition: transform .6s cubic-bezier(.2, .8, .2, 1); }

/* Stats */
.stats { background: var(--char); color: #fff; padding: 50px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { border-left: 3px solid var(--orange); padding-left: 20px; }
.stat strong { display: block; font-family: "Archivo", sans-serif; font-weight: 900; font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1; }
.stat span { color: #a8b0bc; font-size: .95rem; }

/* Sections */
.section { padding: 100px 0; position: relative; }
.section-tight { padding: 30px 0 100px; }
.section-dark { background: var(--char); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-concrete { background: var(--concrete); }
.head { max-width: 680px; margin-bottom: 50px; }
.head-row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--line); border: 2px solid var(--line); }
.service { position: relative; background: var(--paper); padding: 36px 32px; text-decoration: none; color: var(--ink); overflow: hidden; transition: background-color .35s, color .35s; }
.service::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.service:hover { background: var(--char); color: #fff; }
.service:hover::before { transform: scaleX(1); }
.service p { color: var(--muted); transition: color .35s; }
.service:hover p { color: #a8b0bc; }
.service-icon { display: inline-grid; place-items: center; width: 56px; height: 56px; background: rgba(255, 107, 26, .12); color: var(--orange); border-radius: 4px; margin-bottom: 20px; }
.service-icon .ic { width: 28px; height: 28px; }
.service-more { font-weight: 700; color: var(--orange); font-size: .9rem; }

.proj-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.proj-grid-home .proj:first-child { grid-column: span 2; grid-row: span 2; }
.proj { position: relative; display: block; padding: 0; border: 0; background: none; cursor: pointer; text-decoration: none; color: #fff; border-radius: 6px; overflow: hidden; text-align: left; font: inherit; }
.proj .proj-art { aspect-ratio: 1; height: 100%; }
.proj-grid-home .proj:first-child .proj-art { aspect-ratio: auto; }
.proj:hover .proj-art .ic { transform: scale(1.18) rotate(-4deg); }
.proj-info { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 18px 20px; transform: translateY(8px); transition: transform .4s; }
.proj:hover .proj-info { transform: none; }
.proj-info span { font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--orange-2); }
.proj-info h3 { margin: 4px 0 0; color: #fff; font-size: 1.1rem; }
.proj.hide { display: none; }

.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.process li { position: relative; padding-top: 30px; border-top: 3px solid var(--line); }
.process li::before { content: ""; position: absolute; top: -3px; left: 0; height: 3px; width: 0; background: var(--orange); transition: width 1s ease .3s; }
.process li.in::before { width: 100%; }
.process span { display: inline-grid; place-items: center; width: 44px; height: 44px; background: var(--char); color: #fff; font-family: "Archivo", sans-serif; font-weight: 900; border-radius: 4px; margin-bottom: 16px; }
.process p { color: var(--muted); }

.quote-wrap { max-width: 860px; text-align: center; margin: 0 auto; }
.quote-wrap blockquote { font-family: "Archivo", sans-serif; font-weight: 700; font-size: clamp(1.3rem, 2.6vw, 1.9rem); line-height: 1.35; margin: 18px 0; letter-spacing: -.01em; }
.quote-by { color: var(--muted); }

/* CTA + footer */
.cta-strip { background: var(--orange); color: #fff; padding: 56px 0; background-image: repeating-linear-gradient(-45deg, transparent 0 30px, rgba(255, 255, 255, .06) 30px 60px); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; margin-bottom: .2em; }
.cta-inner p { margin: 0; opacity: .9; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.footer { background: var(--char); color: #a8b0bc; padding: 70px 0 90px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; }
.footer h4 { font-family: "Archivo", sans-serif; color: #fff; text-transform: uppercase; letter-spacing: .12em; font-size: .85rem; margin: 0 0 16px; }
.footer a:not(.logo) { display: block; color: #c5cad3; text-decoration: none; margin-bottom: 8px; transition: color .2s; }
.footer a:not(.logo):hover { color: var(--orange); }
.footer .logo { margin-bottom: 18px; }
.license { font-size: .85rem; color: var(--steel); }
.footer-bottom { border-top: 1px solid var(--char-3); margin-top: 40px; padding-top: 24px; font-size: .85rem; }

/* Inner page head */
.page-head { position: relative; overflow: hidden; padding: 80px 0 60px; background: var(--concrete); }
.page-head .wrap { position: relative; }

/* Services page */
.svc-list { display: grid; gap: 22px; }
.svc { display: grid; grid-template-columns: 90px 1.2fr 1fr; gap: 30px; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 36px; transition: border-color .3s, box-shadow .3s, transform .3s; }
.svc:hover { border-color: var(--orange); box-shadow: 0 20px 40px -24px rgba(0, 0, 0, .3); transform: translateY(-3px); }
.svc-num { font-family: "Archivo", sans-serif; font-weight: 900; font-size: 3rem; color: transparent; -webkit-text-stroke: 1.5px var(--steel); line-height: 1; }
.svc-main h2 { font-size: 1.6rem; }
.svc-main p { color: var(--muted); margin: 0; }
.svc-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.svc-points li { padding-left: 26px; position: relative; font-weight: 500; }
.svc-points li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 3px; background: var(--orange); }

/* Projects page */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.filter { font: inherit; font-family: "Archivo", sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .85rem; padding: .7em 1.2em; border: 2px solid var(--ink); background: transparent; color: var(--ink); border-radius: 4px; cursor: pointer; transition: background-color .2s, color .2s; }
.filter:hover, .filter.active { background: var(--ink); color: #fff; }
.proj.pop { animation: pop-in .5s cubic-bezier(.2, .8, .2, 1); }
@keyframes pop-in { from { opacity: 0; transform: scale(.92); } }

.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(10, 11, 13, .94); display: flex; align-items: center; justify-content: center; gap: 20px; padding: 30px; animation: fade .3s; }
.lightbox[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } }
.lb-figure { margin: 0; width: min(900px, 100%); animation: zoom .4s cubic-bezier(.2, .8, .2, 1); }
@keyframes zoom { from { transform: scale(.94); opacity: 0; } }
.lb-art .proj-art { aspect-ratio: 16 / 10; border-radius: 6px; }
.lb-figure figcaption { color: #fff; padding-top: 16px; display: grid; gap: 4px; }
.lb-meta { color: var(--orange-2); font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
.lb-title { font-family: "Archivo", sans-serif; font-size: 1.5rem; }
.lb-close { position: absolute; top: 20px; right: 24px; background: none; border: 0; color: #fff; font-size: 2.4rem; cursor: pointer; line-height: 1; }
.lb-nav { width: 52px; height: 52px; flex: none; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .3); background: transparent; color: #fff; font-size: 1.8rem; cursor: pointer; transition: background-color .2s, border-color .2s; }
.lb-nav:hover { background: var(--orange); border-color: var(--orange); }

/* About page */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-grid p { color: var(--muted); font-size: 1.05rem; }
.values { display: grid; gap: 18px; }
.value { display: flex; gap: 18px; background: #fff; border: 1px solid var(--line); padding: 24px; border-radius: 6px; }
.value .service-icon { margin: 0; }
.value h3 { margin-bottom: .2em; }
.value p { margin: 0; font-size: .95rem; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.member { background: #fff; border-radius: 6px; padding: 30px; text-align: center; transition: transform .3s; }
.member:hover { transform: translateY(-6px); }
.avatar { width: 96px; height: 96px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; font-family: "Archivo", sans-serif; font-weight: 900; font-size: 2.2rem; color: #fff; background: linear-gradient(135deg, var(--char-3), var(--char)); box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--orange); }
.member p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; align-items: start; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 36px; display: grid; gap: 16px; }
.form h2 { font-size: 1.8rem; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; }
.form input, .form select, .form textarea { font: inherit; padding: .85em 1em; border: 2px solid var(--line); border-radius: 4px; background: var(--paper); color: var(--ink); transition: border-color .2s; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--orange); }
.form .btn { justify-self: start; }
.form-note { background: #fff1e8; color: #9a3d0c; padding: 12px 16px; border-radius: 4px; margin: 0; font-weight: 500; }
.contact-side { display: grid; gap: 20px; }
.info-box { background: var(--char); color: #c5cad3; border-radius: 6px; padding: 30px; }
.info-box h3 { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 1rem; margin: 0 0 6px; }
.info-box h3 .ic { color: var(--orange); }
.info-box p { margin-bottom: 18px; }
.info-box a { color: #fff; }
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table td { padding: 7px 0; border-bottom: 1px dashed var(--char-3); }
.hours-table td:last-child { text-align: right; color: #fff; font-weight: 600; }
.map { border-radius: 6px; overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4 / 3; background: var(--concrete); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(.4) contrast(1.05); }

/* Animations */
.js .up { opacity: 0; transform: translateY(30px); animation: up .9s cubic-bezier(.2, .8, .2, 1) forwards; animation-delay: calc(var(--d, 0) * 110ms + 100ms); }
@keyframes up { to { opacity: 1; transform: none; } }
.js .reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s cubic-bezier(.2, .8, .2, 1), transform .8s cubic-bezier(.2, .8, .2, 1); transition-delay: calc(var(--d, 0) * 100ms); }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 960px) {
    .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-visual { max-width: 460px; }
    .service-grid { grid-template-columns: 1fr 1fr; }
    .proj-grid { grid-template-columns: 1fr 1fr; }
    .process, .team-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .svc { grid-template-columns: 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .service-grid, .process, .team-grid, .footer-grid { grid-template-columns: 1fr; }
    .proj-grid-home .proj:first-child { grid-column: span 2; grid-row: auto; }
    .proj-grid-home .proj:first-child .proj-art { aspect-ratio: 16 / 10; }
    .form .row { grid-template-columns: 1fr; }
    .hero-card { left: 10px; }
    .lb-nav { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .js .up, .js .reveal { opacity: 1; transform: none; }
}