/* ===== ARD Builders — production styles ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', -apple-system, 'Helvetica Neue', sans-serif; background: #0a0a0a; color: #e8e8e8; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
input, textarea, select, button { font-family: inherit; }

:root {
  --black: #0a0a0a; --dark: #111111; --card: #181818; --border: #222222; --border-s: #2a2a2a;
  --orange: #EB4E27; --orange-glow: rgba(235,78,39,0.12); --teal: #7EBEC5; --white: #FFFFFF;
  --text1: #e8e8e8; --text2: rgba(255,255,255,0.55); --text3: rgba(255,255,255,0.35);
  --display: 'Playfair Display', Georgia, serif; --body: 'DM Sans', -apple-system, sans-serif;
}

/* Nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 16px 48px; display: flex; justify-content: space-between; align-items: center; transition: all 0.4s ease; border-bottom: 1px solid transparent; }
.nav.scrolled, .nav.solid { background: rgba(10,10,10,0.95); backdrop-filter: blur(20px); border-bottom-color: var(--border); }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 34px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-link { font-size: 12px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text2); cursor: pointer; transition: color 0.3s; }
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-cta { font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; padding: 10px 24px; background: var(--orange); color: var(--white); cursor: pointer; border-radius: 2px; transition: background 0.3s; }
.nav-cta:hover { background: #D4431F; }
.hamburger { display: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); margin-bottom: 5px; transition: all 0.3s; }
.hamburger span:last-child { margin-bottom: 0; }
.mobile-menu { display: none; position: fixed; top: 56px; left: 0; right: 0; z-index: 99; background: rgba(10,10,10,0.98); backdrop-filter: blur(20px); padding: 20px 20px 28px; border-bottom: 1px solid var(--border); }
.mobile-menu.open { display: block; }
.mobile-menu-item { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text2); cursor: pointer; }
.mobile-menu-cta { margin-top: 20px; padding: 14px 0; background: var(--orange); color: var(--white); font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; text-align: center; cursor: pointer; border-radius: 2px; }

.eyebrow { font-size: 11px; letter-spacing: 5px; text-transform: uppercase; color: var(--orange); font-weight: 600; }
.divider { width: 36px; height: 2px; background: var(--orange); margin-bottom: 24px; }

/* Hero (home) */
.hero { height: 100vh; min-height: 600px; position: relative; overflow: hidden; display: flex; align-items: flex-end; background: var(--black); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center 40%; opacity: 0.4; will-change: transform; }
.hero-gradient { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,10,1) 0%, rgba(10,10,10,0.65) 35%, rgba(10,10,10,0.15) 100%); }
.hero-line { position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--orange); }
.hero-side-line { position: absolute; left: 48px; top: 20%; bottom: 30%; width: 1px; background: linear-gradient(to bottom, transparent, var(--orange), transparent); opacity: 0.25; }
.hero-content { position: relative; z-index: 2; padding: 0 48px 90px 80px; max-width: 860px; }
.hero h1 { font-family: var(--display); font-size: 68px; font-weight: 400; line-height: 1.08; color: var(--white); margin: 0 0 28px; }
.hero h1 em { font-style: italic; color: var(--orange); }
.hero-sub { font-size: 17px; line-height: 1.75; color: var(--text2); max-width: 460px; margin-bottom: 44px; font-weight: 300; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary { padding: 14px 36px; background: var(--orange); color: var(--white); font-size: 12px; font-weight: 600; letter-spacing: 1.8px; text-transform: uppercase; cursor: pointer; border: none; border-radius: 2px; transition: background 0.3s; display:inline-block; }
.btn-primary:hover { background: #D4431F; }
.btn-ghost { padding: 14px 36px; border: 1px solid var(--border-s); color: var(--text2); font-size: 12px; font-weight: 500; letter-spacing: 1.8px; text-transform: uppercase; cursor: pointer; background: transparent; transition: all 0.3s; display:inline-block; }
.btn-ghost:hover { border-color: var(--orange); color: var(--white); }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; background: var(--dark); }
.about-text { padding: 80px 60px; display: flex; flex-direction: column; justify-content: center; }
.about-text h2 { font-family: var(--display); font-size: 38px; font-weight: 400; line-height: 1.2; margin: 0 0 24px; color: var(--white); }
.about-text p { font-size: 15px; line-height: 1.85; color: var(--text2); max-width: 420px; margin-bottom: 14px; font-weight: 300; }
.about-img { background-size: cover; background-position: center; position: relative; min-height: 300px; }
.about-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(17,17,17,0.4) 0%, transparent 50%); }
.link-arrow { font-size: 12px; font-weight: 600; letter-spacing: 1.8px; text-transform: uppercase; color: var(--orange); cursor: pointer; border-bottom: 1px solid var(--orange); align-self: flex-start; padding-bottom: 4px; margin-top: 18px; }

/* Services */
.services { padding: 100px 48px; background: var(--black); }
.services-inner { max-width: 1100px; margin: 0 auto; }
.services h2 { font-family: var(--display); font-size: 40px; font-weight: 400; color: var(--white); margin: 0 0 56px; line-height: 1.2; }
.services h2 em { font-style: italic; color: var(--orange); }
.service-list { border-top: 1px solid var(--border); }
.service-item { padding: 24px 0; border-bottom: 1px solid var(--border); cursor: pointer; display: grid; grid-template-columns: 50px 200px 1fr 24px; gap: 20px; align-items: center; }
.service-num { font-family: var(--display); font-size: 16px; font-weight: 600; transition: color 0.3s; text-align: center; }
.service-title { font-family: var(--display); font-size: 20px; font-weight: 400; margin: 0; transition: color 0.3s; }
.service-desc { font-size: 14px; line-height: 1.7; color: var(--text2); margin: 0; font-weight: 300; overflow: hidden; max-height: 0; opacity: 0; transition: all 0.4s ease; }
.service-item.active .service-desc { max-height: 80px; opacity: 1; }
.service-item.active .service-num, .service-item.active .service-plus { color: var(--orange); }
.service-item.active .service-title { color: var(--white); }
.service-item:not(.active) .service-num, .service-item:not(.active) .service-title, .service-item:not(.active) .service-plus { color: var(--text3); }
.service-plus { font-size: 18px; transition: all 0.3s; display: inline-block; }
.service-item.active .service-plus { transform: rotate(45deg); }

/* Portfolio / project grid */
.portfolio { padding: 100px 48px; background: var(--dark); }
.portfolio-inner { max-width: 1100px; margin: 0 auto; }
.portfolio-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 48px; flex-wrap: wrap; gap: 16px; }
.portfolio h2 { font-family: var(--display); font-size: 40px; font-weight: 400; margin: 0; line-height: 1.2; color: var(--white); }
.portfolio-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.project-card { position: relative; padding-bottom: 130%; overflow: hidden; cursor: pointer; border: 1px solid var(--border); transition: border-color 0.4s; display:block; }
.project-card:hover { border-color: var(--orange); }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.project-card:hover img { transform: scale(1.06); }
.project-card .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.2) 45%, transparent 100%); }
.project-card .info { position: absolute; bottom: 0; left: 0; right: 0; padding: 22px; }
.project-tag { font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--orange); font-weight: 700; background: var(--orange-glow); padding: 4px 10px; display: inline-block; margin-bottom: 10px; }
.project-card h3 { font-family: var(--display); font-size: 20px; font-weight: 400; color: var(--white); margin: 0 0 4px; }
.project-card .loc { font-size: 12px; color: var(--text3); margin: 0; font-weight: 400; }

/* Stats */
.stats { padding: 48px; background: var(--black); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 32px; }
.stat { text-align: center; padding: 12px 0; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat-num { font-family: var(--display); font-size: 34px; font-weight: 700; color: var(--orange); margin-bottom: 8px; }
.stat-label { font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--text3); font-weight: 500; }

/* Process */
.process { padding: 100px 48px; background: var(--black); }
.process-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.process h2 { font-family: var(--display); font-size: 40px; font-weight: 400; margin: 0 0 60px; line-height: 1.2; color: var(--white); }
.process h2 em { font-style: italic; color: var(--orange); }
.process-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }
.process-step { text-align: center; position: relative; }
.process-num { font-family: var(--display); font-size: 36px; font-weight: 700; color: var(--orange); margin-bottom: 16px; opacity: 0.6; }
.process-step h3 { font-family: var(--display); font-size: 20px; font-weight: 400; color: var(--white); margin: 0 0 12px; }
.process-step p { font-size: 14px; line-height: 1.75; color: var(--text2); margin: 0 auto; font-weight: 300; max-width: 220px; }

/* Testimonials */
.testimonials { padding: 100px 48px; background: var(--dark); }
.testimonials-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.testimonials h2 { font-family: var(--display); font-size: 40px; font-weight: 400; margin: 0 0 56px; line-height: 1.2; color: var(--white); }
.testimonials h2 em { font-style: italic; color: var(--orange); }
.testimonials-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; text-align: left; }
.review-card { padding: 32px; background: var(--card); border: 1px solid var(--border); border-top: 2px solid var(--orange); }
.review-quote { font-size: 48px; font-family: var(--display); color: var(--orange); opacity: 0.2; line-height: 1; margin-bottom: 10px; }
.review-text { font-size: 14px; line-height: 1.85; color: var(--text2); margin-bottom: 28px; font-weight: 300; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--orange); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: var(--white); flex-shrink: 0; }
.review-name { font-size: 13px; font-weight: 600; color: var(--white); }
.review-role { font-size: 11px; color: var(--text3); margin-top: 2px; font-weight: 300; }
.review-stars { display: flex; gap: 2px; margin-top: 4px; }
.review-stars span { font-size: 11px; color: var(--orange); }

/* Contact */
.contact { padding: 100px 48px; background: var(--black); border-top: 1px solid var(--border); }
.contact-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-left { display: flex; flex-direction: column; justify-content: center; }
.contact-left h2 { font-family: var(--display); font-size: 42px; font-weight: 400; color: var(--white); margin: 0 0 18px; line-height: 1.2; }
.contact-left h2 em { font-style: italic; color: var(--orange); }
.contact-left > p { font-size: 15px; color: var(--text2); max-width: 420px; margin: 0 0 36px; line-height: 1.75; font-weight: 300; }
.contact-info-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.contact-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--orange-glow); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--orange); flex-shrink: 0; }
.contact-info-label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text3); font-weight: 500; margin-bottom: 2px; }
.contact-info-value { font-size: 15px; color: var(--text1); font-weight: 400; }
.contact-form { background: var(--card); border: 1px solid var(--border); padding: 40px; }
.contact-form h3 { font-family: var(--display); font-size: 22px; font-weight: 400; color: var(--white); margin: 0 0 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text3); font-weight: 500; display: block; margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; background: var(--dark); border: 1px solid var(--border); color: var(--text1); font-size: 14px; outline: none; transition: border-color 0.3s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--orange); }
.form-group textarea { resize: vertical; }
.form-group select { -webkit-appearance: none; }
.form-submit { width: 100%; padding: 15px 0; background: var(--orange); color: var(--white); border: none; font-size: 12px; font-weight: 600; letter-spacing: 1.8px; text-transform: uppercase; cursor: pointer; border-radius: 2px; transition: background 0.3s; }
.form-submit:hover { background: #D4431F; }

/* Footer */
.footer { padding: 56px 48px; background: var(--black); border-top: 1px solid var(--border); display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand img { height: 34px; margin-bottom: 16px; }
.footer-brand p { font-size: 13px; color: var(--text3); line-height: 1.75; max-width: 260px; font-weight: 300; }
.footer-social { display: inline-block; margin-top: 14px; font-size: 12px; letter-spacing: 1px; color: var(--orange); font-weight: 500; border-bottom: 1px solid var(--orange); padding-bottom: 3px; transition: opacity .3s; }
.footer-social:hover { opacity: 0.7; }
.footer-col-title { font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--orange); margin-bottom: 14px; font-weight: 600; }
.footer-col a, .footer-col p { font-size: 13px; color: var(--text3); margin: 0 0 9px; display: block; font-weight: 300; transition: color 0.3s; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom { grid-column: 1 / -1; border-top: 1px solid var(--border); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 11px; color: var(--text3); margin: 0; }

/* Scroll animations */
.fade-up { opacity: 0; transform: translateY(40px); transition: all 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== Sub-page hero (project + our work) ===== */
.page-hero { position: relative; height: 60vh; min-height: 420px; display: flex; align-items: flex-end; overflow: hidden; background: var(--black); }
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.45; }
.page-hero-gradient { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,10,1) 0%, rgba(10,10,10,0.55) 42%, rgba(10,10,10,0.2) 100%); }
.page-hero-line { position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--orange); }
.page-hero-content { position: relative; z-index: 2; padding: 0 48px 54px 80px; max-width: 1100px; width: 100%; }
.page-hero .back-link { font-size: 12px; letter-spacing: 1.8px; text-transform: uppercase; color: var(--text2); transition: color .3s; }
.page-hero .back-link:hover { color: var(--orange); }
.page-hero h1 { font-family: var(--display); font-size: 56px; font-weight: 400; color: var(--white); margin: 14px 0 10px; line-height: 1.1; }
.page-hero .sub { font-size: 15px; color: var(--text2); }

/* Project body */
.project-body { padding: 72px 48px 10px; background: var(--dark); }
.project-inner { max-width: 1100px; margin: 0 auto; }
.project-lead { font-family: var(--display); font-size: 24px; line-height: 1.5; color: var(--text1); font-weight: 400; max-width: 780px; font-style: italic; }
.project-meta { display: flex; gap: 48px; flex-wrap: wrap; margin-top: 34px; border-top: 1px solid var(--border); padding-top: 26px; }
.project-meta .k { font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--orange); font-weight: 600; margin-bottom: 6px; }
.project-meta .v { font-size: 16px; color: var(--text1); font-family: var(--display); }

/* Gallery */
.gallery { padding: 38px 48px 96px; background: var(--dark); }
.gallery-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gallery-item { position: relative; padding-bottom: 70%; overflow: hidden; cursor: pointer; border: 1px solid var(--border); }
.gallery-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item::after { content: ''; position: absolute; inset: 0; background: rgba(235,78,39,0); transition: background .3s; }
.gallery-item:hover::after { background: rgba(235,78,39,0.10); }

/* CTA band */
.cta-band { padding: 70px 48px; background: var(--black); border-top: 1px solid var(--border); text-align: center; }
.cta-band h2 { font-family: var(--display); font-size: 34px; font-weight: 400; color: var(--white); margin: 0 0 22px; }
.cta-band h2 em { font-style: italic; color: var(--orange); }

/* Our Work intro */
.work-intro { max-width: 1100px; margin: 0 auto; padding: 70px 48px 10px; }
.work-intro p { font-size: 16px; color: var(--text2); max-width: 620px; line-height: 1.8; font-weight: 300; }
.work-section { padding: 40px 48px 100px; background: var(--dark); }
.work-inner { max-width: 1100px; margin: 0 auto; }

/* Lightbox */
.lb { position: fixed; inset: 0; z-index: 300; background: rgba(8,8,8,0.96); display: none; align-items: center; justify-content: center; }
.lb.open { display: flex; }
.lb img { max-width: 90vw; max-height: 82vh; object-fit: contain; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lb-close { position: absolute; top: 20px; right: 28px; font-size: 34px; color: var(--white); cursor: pointer; line-height: 1; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); font-size: 44px; color: var(--white); cursor: pointer; padding: 8px 18px; user-select: none; }
.lb-prev { left: 12px; } .lb-next { right: 12px; }
.lb-counter { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; color: var(--text2); font-size: 13px; letter-spacing: 1px; }
.lb-nav:hover, .lb-close:hover { color: var(--orange); }

/* Responsive */
@media (max-width: 1024px) {
  .hero h1 { font-size: 52px; }
  .service-item { grid-template-columns: 36px 1fr 24px; }
  .service-desc-wrap { display: none; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .page-hero h1 { font-size: 46px; }
}
@media (max-width: 768px) {
  .nav { padding: 12px 20px; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .hero-content { padding: 0 20px 60px; }
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 15px; margin-bottom: 32px; }
  .hero-side-line { display: none; }
  .about { grid-template-columns: 1fr; }
  .about-text { padding: 60px 20px; }
  .services { padding: 80px 20px; }
  .services h2 { font-size: 30px; }
  .service-item { grid-template-columns: 36px 1fr 24px; gap: 12px; padding: 20px 0; }
  .service-title { font-size: 17px; }
  .service-desc-wrap { display: none; }
  .portfolio { padding: 80px 20px; }
  .portfolio h2 { font-size: 30px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .project-card { padding-bottom: 100%; }
  .stats { grid-template-columns: 1fr 1fr; padding: 32px 20px; gap: 24px; }
  .stat:nth-child(2) { border-right: none; }
  .stat-num { font-size: 28px; }
  .process { padding: 80px 20px; }
  .process h2 { font-size: 30px; }
  .process-grid { grid-template-columns: 1fr; gap: 32px; }
  .process-step { text-align: left; }
  .process-step p { max-width: none; margin: 0; }
  .testimonials { padding: 80px 20px; }
  .testimonials h2 { font-size: 30px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .review-card { padding: 24px; }
  .contact { padding: 80px 20px; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-left h2 { font-size: 30px; }
  .contact-form { padding: 24px; }
  .footer { padding: 40px 20px; grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .page-hero-content { padding: 0 20px 40px; }
  .page-hero h1 { font-size: 34px; }
  .project-body { padding: 50px 20px 6px; }
  .project-lead { font-size: 20px; }
  .project-meta { gap: 28px; }
  .gallery { padding: 28px 20px 70px; }
  .gallery-inner { grid-template-columns: 1fr 1fr; gap: 8px; }
  .work-intro { padding: 56px 20px 6px; }
  .work-section { padding: 30px 20px 70px; }
  .cta-band { padding: 56px 20px; }
  .cta-band h2 { font-size: 26px; }
}