:root {
  --orange: #f58634;
  --orange-dark: #da681d;
  --orange-soft: #fff1e7;
  --ink: #1f2937;
  --muted: #667085;
  --line: #e5e7eb;
  --soft: #f8fafc;
  --white: #ffffff;
  --green: #20b965;
  --shadow: 0 18px 45px rgba(15, 23, 42, .12);
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, .08);
  --radius: 14px;
  --container: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
body.menu-open, body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 10000; transform: translateY(-150%); padding: 10px 14px; color: #fff; background: #111827; border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 9990; min-height: 84px; color: #fff; background: var(--orange); box-shadow: 0 10px 28px rgba(15, 23, 42, .18); transition: min-height .25s ease, box-shadow .25s ease; }
.site-header.scrolled { box-shadow: 0 14px 32px rgba(15, 23, 42, .22); }
.nav-shell { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-group { display: flex; align-items: center; gap: 13px; flex: 0 0 auto; }
.brand-card { display: flex; align-items: center; justify-content: center; width: 180px; height: 50px; padding: 7px 10px; overflow: hidden; background: #fff; border-radius: 9px; box-shadow: 0 4px 12px rgba(0,0,0,.12); }
.brand-card img { width: 100%; height: 100%; object-fit: contain; }
.social-links { display: flex; align-items: center; gap: 8px; }
.social-link { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: #fff; background: rgba(255,255,255,.2); font-size: .64rem; font-weight: 900; letter-spacing: -.02em; transition: transform .2s ease, background .2s ease; }
.social-link:hover { transform: translateY(-2px); background: rgba(31,41,55,.9); }
.desktop-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(13px, 1.45vw, 25px); margin-left: auto; }
.desktop-nav > a, .nav-dropdown > a { position: relative; padding: 30px 0; color: #fff; font-size: clamp(.84rem, 1vw, 1.04rem); font-weight: 600; white-space: nowrap; transition: color .2s ease; }
.desktop-nav > a::after, .nav-dropdown > a::after { position: absolute; right: 100%; bottom: 22px; left: 0; height: 2px; content: ""; background: #fff; transition: right .2s ease; }
.desktop-nav > a:hover::after, .desktop-nav > a.active::after, .nav-dropdown:hover > a::after, .nav-dropdown > a.active::after { right: 0; }
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: 7px; }
.nav-dropdown > a span { font-size: .7rem; }
.dropdown-menu { position: absolute; top: calc(100% - 10px); right: 0; width: 255px; padding: 8px; visibility: hidden; opacity: 0; transform: translateY(8px); color: #344054; background: #fff; border-radius: 10px; box-shadow: var(--shadow); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
.dropdown-menu a { display: block; padding: 10px 12px; border-radius: 7px; font-size: .86rem; }
.dropdown-menu a:hover { color: var(--orange-dark); background: #f3f4f6; }
.nav-dropdown:hover .dropdown-menu, .nav-dropdown:focus-within .dropdown-menu { visibility: visible; opacity: 1; transform: translateY(0); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 9px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 6px 0; background: #fff; transition: transform .2s ease, opacity .2s ease; }
.mobile-nav { display: none; }

/* Common */
.section { padding: 68px 0; }
.section--soft { background: var(--soft); }
.section-title { max-width: 1000px; margin: 0 auto 44px; text-align: center; }
.section-title h2 { margin: 0; color: var(--ink); font-size: clamp(2rem, 3.4vw, 2.55rem); line-height: 1.16; letter-spacing: -.025em; }
.section-title p { max-width: 790px; margin: 17px auto 0; color: var(--muted); font-size: 1.06rem; }
.eyebrow { margin: 0 0 12px; color: var(--orange-dark); font-size: .75rem; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.button-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 9px; padding: 0 26px; border: 2px solid transparent; border-radius: 999px; cursor: pointer; font-size: .97rem; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--orange { color: #fff; background: var(--orange); box-shadow: 0 10px 24px rgba(245,134,52,.28); }
.button--orange:hover { background: var(--orange-dark); }
.button--white { color: var(--orange-dark); background: #fff; box-shadow: 0 10px 24px rgba(15,23,42,.16); }
.button--outline { color: var(--orange-dark); border-color: var(--orange); background: transparent; }
.button--dark { color: #fff; background: #1f2937; }
.button--square { border-radius: 9px; }
.text-link { color: var(--orange-dark); font-weight: 750; }
.text-link:hover { text-decoration: underline; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; }
.card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 5px 16px rgba(15,23,42,.04); transition: transform .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); }

/* Home hero */
.hero { position: relative; min-height: 100vh; display: grid; place-items: center; overflow: hidden; color: #fff; text-align: center; background: #111827 url("../images/hero-scaffolding.webp") center 43% / cover no-repeat; }
.hero::before { position: absolute; inset: 0; content: ""; background: rgba(0,0,0,.62); }
.hero::after { position: absolute; inset: auto 0 0; height: 170px; content: ""; background: linear-gradient(transparent, rgba(0,0,0,.22)); }
.hero__content { position: relative; z-index: 1; width: min(100%, 1020px); padding: 78px 18px; }
.hero h1 { margin: 0; font-size: clamp(2.5rem, 5.2vw, 4rem); line-height: 1.02; letter-spacing: -.035em; text-shadow: 0 3px 22px rgba(0,0,0,.42); }
.hero__kicker { margin: 20px 0 0; color: rgba(255,255,255,.72); font-size: .82rem; letter-spacing: .3em; text-transform: uppercase; }
.hero__lead { max-width: 830px; margin: 24px auto 0; color: rgba(255,255,255,.83); font-size: clamp(1.02rem, 1.8vw, 1.25rem); line-height: 1.65; }
.hero__note { margin: 16px 0 30px; color: rgba(255,255,255,.7); }
.hero .button-row { gap: 16px; }

/* About intro and reasons */
.intro { padding: 68px 0; text-align: center; background: #f9fafb; }
.intro__inner { max-width: 930px; margin: auto; }
.intro h2 { margin: 0; font-size: clamp(1.9rem, 3.3vw, 2.5rem); line-height: 1.2; }
.intro p { margin: 24px 0 28px; color: var(--muted); font-size: 1.1rem; line-height: 1.78; }
.reason-grid { display: grid; grid-template-columns: 1fr .96fr 1fr; align-items: stretch; gap: 40px; max-width: 1160px; margin: auto; }
.reason-list { display: grid; grid-template-rows: repeat(3, 1fr); gap: 26px; }
.reason-item { display: flex; align-items: flex-start; gap: 15px; }
.reason-icon { display: grid; width: 46px; height: 46px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--orange); border-radius: 50%; font-size: 1.15rem; font-weight: 900; box-shadow: 0 8px 18px rgba(245,134,52,.25); }
.reason-item h3 { margin: 0 0 6px; font-size: 1.08rem; }
.reason-item p { margin: 0; color: var(--muted); font-size: .9rem; text-align: justify; }
.reason-image { min-height: 480px; display: grid; place-items: center; padding: 18px; background: #fff; border-radius: 14px; box-shadow: var(--shadow-soft); }
.reason-image img { width: 100%; max-height: 440px; object-fit: contain; }

/* Advantages */
.advantage-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 28px; }
.advantage-card { min-height: 220px; padding: 28px 20px; text-align: center; background: #f9fafb; border-radius: 13px; transition: transform .25s ease, box-shadow .25s ease; }
.advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.circle-icon { display: grid; width: 64px; height: 64px; margin: 0 auto 18px; place-items: center; color: #fff; background: var(--orange); border-radius: 50%; font-size: 1.45rem; font-weight: 900; }
.advantage-card h3 { margin: 0 0 10px; font-size: 1.12rem; }
.advantage-card p { margin: 0; color: var(--muted); font-size: .9rem; }

/* Order */
.order-section { position: relative; overflow: hidden; padding: 78px 0; color: #fff; background: #111827 url("../images/team-scaffolding.webp") center / cover fixed no-repeat; }
.order-section::before { position: absolute; inset: 0; content: ""; background: rgba(0,0,0,.67); }
.order-section .container { position: relative; z-index: 1; }
.order-section .section-title h2 { color: #fff; }
.order-section .section-title p { color: rgba(255,255,255,.75); }
.order-steps { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 30px; max-width: 1050px; margin: auto; }
.order-step { text-align: center; }
.order-step .circle-icon { width: 80px; height: 80px; font-size: 1.6rem; }
.order-step h3 { margin: 0 0 10px; font-size: 1.22rem; }
.order-step p { margin: 0; color: rgba(255,255,255,.8); font-size: .92rem; }
.order-section .button-row { margin-top: 42px; }

/* Locations */
.location-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; }
.location-card { padding: 24px; background: #f9fafb; border-radius: 13px; }
.location-card h3 { margin: 0 0 15px; font-size: 1.2rem; }
.map-frame { width: 100%; height: 205px; margin-bottom: 18px; overflow: hidden; background: #e5e7eb; border: 0; border-radius: 9px; }
.location-card p { display: flex; gap: 10px; margin: 10px 0 0; color: var(--muted); font-size: .88rem; }
.location-card p b { color: var(--orange-dark); }
.location-card a:hover { color: var(--orange-dark); text-decoration: underline; }

/* Page hero and page sections */
.page-hero { position: relative; min-height: 390px; display: grid; place-items: center; overflow: hidden; color: #fff; text-align: center; background: #111827 url("../images/team-scaffolding.webp") center / cover no-repeat; }
.page-hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(0,0,0,.76), rgba(0,0,0,.55)); }
.page-hero__inner { position: relative; z-index: 1; max-width: 920px; padding: 75px 20px; }
.page-hero h1 { margin: 0; font-size: clamp(2.25rem, 5vw, 3.55rem); line-height: 1.08; }
.page-hero p { margin: 20px auto 0; color: rgba(255,255,255,.82); font-size: 1.12rem; }
.breadcrumb { margin-bottom: 18px; color: rgba(255,255,255,.7); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.breadcrumb a:hover { color: #fff; }

/* Products */
.product-section + .product-section { border-top: 1px solid var(--line); }
.product-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.product-heading h2 { margin: 0; font-size: 2rem; }
.product-heading p { max-width: 600px; margin: 0; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 18px; }
.product-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 11px; box-shadow: 0 4px 15px rgba(15,23,42,.05); }
.product-card__image { height: 190px; display: grid; place-items: center; padding: 18px; background: #f5f6f8; }
.product-card__image img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.product-card h3 { min-height: 68px; margin: 0; padding: 18px; font-size: .98rem; }
.product-summary { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.product-summary .card { padding: 26px; text-align: center; }
.product-summary img { width: 100%; height: 245px; object-fit: contain; }
.product-summary h3 { margin: 18px 0 8px; }
.product-summary p { margin: 0; color: var(--muted); font-size: .9rem; }

/* Service/About content */
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; }
.split__image { overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.split__image img { width: 100%; min-height: 430px; object-fit: cover; }
.split__copy h2 { margin: 0 0 18px; font-size: clamp(2rem, 3.2vw, 2.7rem); line-height: 1.18; }
.split__copy p { color: var(--muted); }
.check-list { display: grid; gap: 14px; margin: 24px 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 12px; }
.check-list li::before { display: grid; width: 25px; height: 25px; flex: 0 0 auto; place-items: center; content: "✓"; color: #fff; background: var(--orange); border-radius: 50%; font-size: .75rem; font-weight: 900; }
.service-detail-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.service-detail { padding: 32px; }
.service-detail h3 { margin: 0 0 12px; font-size: 1.35rem; }
.service-detail p { margin: 0; color: var(--muted); }
.value-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.value-card { padding: 27px; text-align: center; }
.value-card h3 { margin: 15px 0 8px; }
.value-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.quote-box { margin: 35px 0; padding: 25px 28px; color: #fff; background: var(--orange); border-radius: 13px; font-size: 1.22rem; font-weight: 700; }

/* Project and blog */
.filter-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; }
.filter-btn { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #fff; cursor: pointer; font-weight: 700; }
.filter-btn.active, .filter-btn:hover { color: #fff; border-color: var(--orange); background: var(--orange); }
.project-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.project-card { position: relative; min-height: 365px; overflow: hidden; border-radius: 14px; color: #fff; background: #111827; }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.project-card:hover img { transform: scale(1.055); }
.project-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(transparent 30%, rgba(0,0,0,.9)); }
.project-card__body { position: absolute; z-index: 1; right: 0; bottom: 0; left: 0; padding: 25px; }
.project-card__tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: var(--orange); font-size: .69rem; font-weight: 800; }
.project-card h3 { margin: 12px 0 6px; font-size: 1.28rem; }
.project-card p { margin: 0; color: rgba(255,255,255,.72); font-size: .88rem; }
.search-bar { display: grid; grid-template-columns: 1fr 220px; gap: 14px; max-width: 800px; margin: 0 auto 38px; }
.input, .select, .textarea { width: 100%; padding: 13px 15px; color: var(--ink); background: #fff; border: 1px solid #d0d5dd; border-radius: 9px; outline: 0; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(245,134,52,.16); }
.blog-layout { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 38px; }
.blog-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 26px; }
.blog-card__image { height: 225px; overflow: hidden; }
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.blog-card:hover .blog-card__image img { transform: scale(1.04); }
.blog-card__body { padding: 24px; }
.meta { color: var(--orange-dark); font-size: .74rem; font-weight: 800; text-transform: uppercase; }
.blog-card h2 { margin: 10px 0 10px; font-size: 1.25rem; line-height: 1.3; }
.blog-card p { margin: 0 0 16px; color: var(--muted); font-size: .9rem; }
.sidebar-card { margin-bottom: 22px; padding: 24px; background: #f9fafb; border-radius: 12px; }
.sidebar-card h3 { margin: 0 0 14px; }
.sidebar-card ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.sidebar-card a { color: var(--muted); }
.sidebar-card a:hover { color: var(--orange-dark); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list span { padding: 7px 10px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: .76rem; }

/* Calculator/contact */
.calculator { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 32px; }
.calc-panel { padding: 31px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-soft); }
.calc-panel h2 { margin: 0 0 24px; }
.field-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.form-field { display: grid; gap: 8px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: .86rem; font-weight: 750; }
.calc-result { min-height: 100%; color: #fff; background: #1f2937; }
.calc-result__empty { min-height: 420px; display: grid; place-items: center; padding: 30px; text-align: center; color: #aeb6c2; }
.result-table { width: 100%; border-collapse: collapse; }
.result-table th, .result-table td { padding: 13px 10px; border-bottom: 1px solid rgba(255,255,255,.13); text-align: left; }
.result-table th { color: var(--orange); }
.result-note { margin-top: 22px; padding: 15px; color: #d7dce3; background: rgba(255,255,255,.08); border-radius: 9px; font-size: .82rem; }
.contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 36px; }
.contact-card { padding: 32px; color: #fff; background: #1f2937; border-radius: 14px; }
.contact-card h2 { margin-top: 0; }
.contact-list { display: grid; gap: 18px; margin: 28px 0; padding: 0; list-style: none; }
.contact-list li { display: flex; gap: 13px; }
.contact-list b { color: var(--orange); }
.contact-form { padding: 32px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-soft); }
.contact-form h2 { margin-top: 0; }
.textarea { min-height: 135px; resize: vertical; }
.faq-list { max-width: 930px; margin: auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; border: 0; text-align: left; background: transparent; cursor: pointer; font-weight: 750; }
.faq-answer { display: none; padding: 0 0 22px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question span { transform: rotate(45deg); }

/* CTA and footer */
.cta-band { padding: 63px 0; color: #fff; text-align: center; background: var(--orange); }
.cta-band h2 { margin: 0; font-size: clamp(1.9rem, 3.2vw, 2.55rem); }
.cta-band p { margin: 14px 0 27px; color: rgba(255,255,255,.83); }
.site-footer { position: relative; overflow: hidden; padding: 52px 0 24px; color: #fff; background: #111827 url("../images/team-scaffolding.webp") center / cover no-repeat; }
.site-footer::before { position: absolute; inset: 0; content: ""; background: linear-gradient(to top, rgba(0,0,0,.92), rgba(0,0,0,.67)); }
.site-footer .container { position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 1.15fr .7fr 1fr .75fr; gap: 38px; }
.footer-logo { display: inline-flex; width: 260px; padding: 8px 12px; background: #fff; border-radius: 8px; }
.footer-logo img { width: 100%; }
.footer-copy { margin-top: 18px; color: rgba(255,255,255,.7); font-size: .9rem; }
.footer-title { margin: 0 0 15px; font-size: 1.05rem; }
.footer-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; color: rgba(255,255,255,.72); font-size: .88rem; }
.footer-list a:hover { color: #fff; }
.footer-bottom { margin-top: 38px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.22); color: rgba(255,255,255,.65); text-align: center; font-size: .84rem; }

/* Floating controls, assistant, modal */
.wa-float { position: fixed; right: 21px; bottom: 22px; z-index: 9500; display: grid; width: 58px; height: 58px; place-items: center; color: #fff; background: var(--green); border-radius: 50%; box-shadow: 0 12px 28px rgba(0,0,0,.25); font-size: .78rem; font-weight: 900; transition: transform .2s ease; }
.wa-float:hover { transform: scale(1.06); }
.chat-launcher { position: fixed; right: 21px; bottom: 94px; z-index: 9500; display: grid; width: 58px; height: 58px; place-items: center; border: 0; color: #fff; background: var(--orange); border-radius: 50%; box-shadow: 0 12px 28px rgba(0,0,0,.25); cursor: pointer; font-size: 1.15rem; }
.project-chat { position: fixed; right: 20px; bottom: 165px; z-index: 9600; width: min(calc(100vw - 40px), 365px); overflow: hidden; visibility: hidden; opacity: 0; transform: translateY(15px) scale(.97); background: #fff; border-radius: 15px; box-shadow: 0 22px 62px rgba(0,0,0,.28); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
.project-chat.open { visibility: visible; opacity: 1; transform: translateY(0) scale(1); }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: 15px 17px; color: #fff; background: var(--orange); }
.chat-head strong { display: block; }
.chat-head small { color: rgba(255,255,255,.8); }
.chat-head button { width: 31px; height: 31px; border: 0; color: #fff; background: rgba(255,255,255,.16); border-radius: 50%; cursor: pointer; }
.chat-body { max-height: 330px; overflow-y: auto; padding: 16px; background: #f5f7fa; }
.chat-message { max-width: 88%; margin-bottom: 10px; padding: 11px 13px; border-radius: 12px; font-size: .85rem; }
.chat-message.bot { background: #fff; border: 1px solid var(--line); }
.chat-message.user { margin-left: auto; color: #fff; background: var(--orange); }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.chat-form input { min-width: 0; padding: 11px 12px; border: 1px solid #d0d5dd; border-radius: 8px; }
.chat-form button { padding: 0 15px; border: 0; color: #fff; background: var(--orange); border-radius: 8px; cursor: pointer; }
.modal { position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center; padding: 20px; visibility: hidden; opacity: 0; background: rgba(15,23,42,.72); transition: opacity .2s ease, visibility .2s; }
.modal.open { visibility: visible; opacity: 1; }
.modal__panel { position: relative; width: min(100%, 920px); max-height: 90vh; overflow-y: auto; padding: 32px; background: #fff; border-radius: 15px; box-shadow: var(--shadow); }
.modal__close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border: 0; background: #f3f4f6; border-radius: 50%; cursor: pointer; font-size: 1.25rem; }
.modal__panel h2 { margin-top: 0; text-align: center; }
.modal-products { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 26px; }
.modal-product { padding: 18px; text-align: center; background: #f8fafc; border-radius: 11px; }
.modal-product img { width: 100%; height: 190px; object-fit: contain; }
.modal-product h3 { margin: 12px 0 6px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } * { animation-duration: .001ms !important; } }

@media (max-width: 1120px) {
  .social-links { display: none; }
  .desktop-nav { gap: 14px; }
  .desktop-nav > a, .nav-dropdown > a { font-size: .83rem; }
  .product-grid { grid-template-columns: repeat(4,1fr); }
}

@media (max-width: 900px) {
  .site-header, .nav-shell { min-height: 76px; }
  .brand-card { width: 166px; height: 47px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-8px) rotate(-45deg); }
  .mobile-nav { display: none; padding: 0 0 16px; }
  .mobile-nav.open { display: grid; }
  .mobile-nav a { padding: 11px 13px; border-radius: 7px; color: #fff; font-weight: 600; }
  .mobile-nav a:hover, .mobile-nav a.active { background: rgba(255,255,255,.18); }
  .hero { min-height: 100svh; }
  .reason-grid { grid-template-columns: 1fr; }
  .reason-image { order: -1; min-height: 360px; }
  .reason-image img { max-height: 330px; }
  .advantage-grid { grid-template-columns: repeat(2,1fr); }
  .order-steps { grid-template-columns: repeat(2,1fr); }
  .location-grid, .card-grid, .project-grid { grid-template-columns: repeat(2,1fr); }
  .product-grid { grid-template-columns: repeat(3,1fr); }
  .product-summary { grid-template-columns: repeat(2,1fr); }
  .split, .calculator, .contact-layout { grid-template-columns: 1fr; }
  .split__image { order: -1; }
  .value-grid { grid-template-columns: repeat(2,1fr); }
  .blog-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .modal-products { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .container { width: min(calc(100% - 26px), var(--container)); }
  .section { padding: 55px 0; }
  .hero { background-position: 34% center; }
  .hero__content { padding: 70px 7px; }
  .hero h1 { font-size: clamp(2.25rem, 12vw, 3rem); }
  .hero__kicker { font-size: .69rem; letter-spacing: .2em; }
  .hero .button-row { display: grid; }
  .hero .button { width: min(100%, 310px); margin: auto; }
  .section-title { margin-bottom: 34px; }
  .reason-grid { gap: 28px; }
  .reason-list { gap: 20px; }
  .advantage-grid { gap: 13px; }
  .advantage-card { min-height: 210px; padding: 23px 14px; }
  .circle-icon { width: 56px; height: 56px; }
  .order-steps { grid-template-columns: 1fr; }
  .order-section { background-attachment: scroll; }
  .location-grid, .card-grid, .project-grid, .service-detail-grid, .blog-grid { grid-template-columns: 1fr; }
  .page-hero { min-height: 330px; }
  .product-heading { display: block; }
  .product-heading p { margin-top: 12px; }
  .product-grid { grid-template-columns: repeat(2,1fr); gap: 13px; }
  .product-card__image { height: 160px; }
  .product-card h3 { min-height: 64px; padding: 14px; font-size: .9rem; }
  .product-summary { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .search-bar { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr; }
  .form-field--full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-logo { margin: auto; }
  .modal__panel { padding: 27px 18px; }
  .modal-products { grid-template-columns: 1fr 1fr; gap: 11px; }
  .modal-product { padding: 12px; }
  .modal-product img { height: 135px; }
  .project-chat { right: 10px; bottom: 154px; width: calc(100vw - 20px); }
  .wa-float, .chat-launcher { right: 13px; }
}
