:root {
  --blue: #0c4da2;
  --blue2: #0b68bd;
  --navy: #071b33;
  --navy2: #0d2745;
  --orange: #f9b233;
  --white: #fff;
  --black: #111;
  --text: #303b45;
  --muted: #687685;
  --soft: #f5f7fb;
  --line: #e5e9ef;
  --shadow: 0 18px 40px rgba(0,0,0,.15);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Poppins, Arial, sans-serif; color: var(--text); background: #fff; line-height: 1.65; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.narrow { max-width: 1040px; }
.topbar { background: #07131f; color: #fff; font-size: 14px; }
.topbar-inner { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar-left, .topbar-social { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.topbar a:hover { color: var(--orange); }
.site-header { background: #fff; box-shadow: 0 5px 24px rgba(0,0,0,.08); position: sticky; top: 0; z-index: 100; }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand img { width: 220px; max-height: 76px; object-fit: contain; }
.main-nav { display: flex; gap: 24px; align-items: center; font-size: 15px; font-weight: 600; color: #17212b; }
.main-nav a { padding: 32px 0; border-bottom: 3px solid transparent; }
.main-nav a:hover { color: var(--blue); border-bottom-color: var(--blue); }
.menu-toggle { display: none; background: var(--blue); color: white; border: 0; font-size: 24px; padding: 8px 12px; }
.hero-section { position: relative; min-height: 690px; display: grid; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('assets/Slider1.png') center/cover no-repeat; animation: slowZoom 18s ease-in-out infinite alternate; }
@keyframes slowZoom { from { transform: scale(1); } to { transform: scale(1.08); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.82), rgba(0,0,0,.56), rgba(0,0,0,.2)); }
.hero-content { position: relative; z-index: 2; padding: 90px 0 70px; }
.kicker { margin: 0 0 18px; color: var(--orange); font-size: 15px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.kicker.dark { color: var(--blue); }
.hero-copy { max-width: 760px; color: white; }
h1, h2, h3 { margin: 0; line-height: 1.12; }
h1 { font-family: 'Roboto Slab', Georgia, serif; font-size: clamp(48px, 7vw, 92px); font-weight: 700; color: white; text-shadow: 0 4px 18px rgba(0,0,0,.38); }
.hero-copy h2 { margin: 28px 0 6px; color: white; font-size: clamp(23px, 3vw, 34px); font-weight: 500; }
.hero-phone { display: inline-block; color: #3366ff; font-size: clamp(34px, 5vw, 58px); font-weight: 800; text-shadow: 0 3px 14px rgba(0,0,0,.45); }
.hero-form { margin-top: 34px; max-width: 690px; display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 12px; background: rgba(255,255,255,.12); padding: 18px; border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(4px); }
.hero-form input, .main-form input, .main-form textarea { width: 100%; min-height: 50px; border: 1px solid #d8dee8; padding: 13px 15px; font: inherit; outline: none; }
.hero-form input { background: #fff; border: 0; }
.hero-form button, .main-form button, .btn, .all-works a, .footer-cta a { min-height: 50px; padding: 0 26px; border: 0; background: var(--blue); color: #fff; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.hero-form button:hover, .main-form button:hover, .btn:hover, .all-works a:hover, .footer-cta a:hover { background: var(--navy); }
.feature-strip { background: #f2f5f8; padding: 0 0 70px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 26px; transform: translateY(-56px); margin-bottom: -56px; }
.video-tile, .feature-card { min-height: 195px; box-shadow: var(--shadow); background: #fff; }
.video-tile { position: relative; background-size: cover; background-position: center; display: grid; place-items: center; }
.video-left { background-image: linear-gradient(rgba(0,0,0,.28), rgba(0,0,0,.28)), url('assets/Img5.jpg'); }
.video-right { background-image: linear-gradient(rgba(0,0,0,.28), rgba(0,0,0,.28)), url('assets/Img8.jpg'); }
.play-button { width: 66px; height: 66px; border-radius: 50%; display: grid; place-items: center; background: var(--blue); color: #fff; font-size: 26px; box-shadow: 0 0 0 13px rgba(12,77,162,.2); }
.feature-card { display: flex; align-items: center; gap: 22px; padding: 34px; }
.feature-icon { font-size: 42px; color: var(--blue); }
.feature-card h3 { color: var(--navy); font-size: 26px; }
.feature-card p { margin: 8px 0 0; color: var(--muted); }
.section { padding: 82px 0; }
.about-grid, .replacement-grid, .maintenance-grid, .stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-media { position: relative; min-height: 720px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.portrait-card img { width: 100%; height: 330px; object-fit: cover; }
.after-card { margin-top: 120px; }
.experience-card { position: absolute; top: 130px; left: 43%; background: #fff; box-shadow: var(--shadow); padding: 28px 22px; width: 175px; z-index: 3; text-align: center; }
.experience-card span { display: block; color: var(--blue); font-size: 54px; line-height: 1; font-weight: 800; }
.experience-card p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.compare-card { grid-column: 1 / -1; position: relative; height: 265px; overflow: hidden; box-shadow: var(--shadow); }
.compare-card .compare { position: absolute; inset: 0; }
.compare-card img { width: 100%; height: 100%; object-fit: cover; }
.compare-card .after { width: 52%; overflow: hidden; border-right: 3px solid #fff; }
.compare-label { position: absolute; top: 15px; padding: 7px 12px; color: #fff; background: rgba(0,0,0,.75); font-size: 12px; font-weight: 800; }
.before-label { left: 15px; }
.after-label { right: 15px; background: var(--blue); }
.compare-handle { position: absolute; left: 52%; top: 50%; transform: translate(-50%,-50%); width: 44px; height: 44px; border-radius: 50%; background: white; color: var(--blue); display: grid; place-items: center; box-shadow: var(--shadow); font-weight: 800; }
.about-copy h2, .center-title, .replacement-section h2, .savings-section h2, .maintenance-section h2, .contact-band h2, .dark-stats h2, .faq-section h2 { font-family: 'Roboto Slab', Georgia, serif; color: var(--navy); font-size: clamp(34px, 4.4vw, 55px); margin-bottom: 20px; }
.about-copy p { text-align: justify; }
.body-copy, .about-copy p, .replacement-section p, .savings-section p, .maintenance-section p, .quality-note p { color: #4f5d68; font-size: 16px; }
.call-line { font-weight: 700; }
.call-line a { color: var(--blue); font-size: 22px; }
.quality-note { padding-top: 10px; }
.quality-note .narrow { font-size: 17px; border-left: 5px solid var(--blue); padding-left: 26px; }
.contact-band { display: grid; grid-template-columns: 1fr 1fr; background: #eef2f6; }
.contact-left { background: var(--blue); color: #fff; padding: 74px max(28px, calc((100vw - 1140px) / 2)) 74px max(28px, calc((100vw - 1140px) / 2)); }
.contact-inner { max-width: 560px; margin-left: auto; }
.contact-band h2 { color: #fff; }
.main-form { display: grid; gap: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.main-form textarea { min-height: 145px; resize: vertical; }
.main-form button { width: fit-content; background: var(--navy); }
.form-note { color: rgba(255,255,255,.72); font-size: 13px; margin: 0; }
.contact-right { position: relative; min-height: 600px; overflow: hidden; }
.contact-right img { width: 100%; height: 100%; object-fit: cover; }
.call-card { position: absolute; right: 42px; bottom: 42px; max-width: 290px; background: #fff; color: var(--text); padding: 28px; box-shadow: var(--shadow); }
.call-card strong { display: block; color: var(--navy); font-size: 24px; }
.call-card a { display: block; color: var(--blue); font-size: 24px; font-weight: 800; }
.call-card span { color: var(--muted); }
.center-title { text-align: center; margin-bottom: 46px; }
.before-after-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ba-card { background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.08); }
.ba-frame { position: relative; display: grid; grid-template-columns: 1fr 1fr; min-height: 420px; overflow: hidden; }
.ba-frame img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.ba-frame span { position: absolute; top: 12px; background: rgba(0,0,0,.74); color: #fff; padding: 7px 12px; font-size: 12px; font-weight: 800; }
.ba-frame span:nth-of-type(1) { left: 12px; }
.ba-frame span:nth-of-type(2) { right: 12px; background: var(--blue); }
.all-works { text-align: center; margin-top: 34px; }
.replacement-section { background: #fff; padding-bottom: 30px; }
.replacement-grid { grid-template-columns: 1fr; max-width: 1040px; }
.savings-section { padding-top: 30px; }
.two-col-text { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.two-col-text h2 { font-size: clamp(28px, 3.2vw, 42px); }
.maintenance-section { background: #fbfcfe; }
.maintenance-grid > img { width: 100%; height: 620px; object-fit: cover; }
.tip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 34px; }
.tip { display: flex; gap: 17px; align-items: flex-start; }
.tip span { flex: 0 0 48px; height: 48px; display: grid; place-items: center; background: var(--blue); color: #fff; border-radius: 50%; font-weight: 800; }
.tip h3 { color: var(--navy); font-size: 20px; }
.tip p { margin: 6px 0 0; font-size: 14px; }
.faq-section h2 { font-size: 32px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 15px 18px; margin-bottom: 11px; }
summary { font-weight: 800; color: var(--navy); cursor: pointer; }
details p { margin: 10px 0 0; color: var(--muted); }
.dark-stats { background: linear-gradient(rgba(7,19,31,.88), rgba(7,19,31,.88)), url('assets/Img13.jpg') center/cover; color: #fff; padding: 85px 0; }
.video-placeholder { min-height: 310px; background: linear-gradient(rgba(0,0,0,.25), rgba(0,0,0,.25)), url('assets/Img4.jpg') center/cover; display: grid; place-items: center; }
.video-placeholder span { width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; background: var(--blue); font-size: 30px; }
.dark-stats h2 { color: #fff; }
.dark-stats p { color: rgba(255,255,255,.78); }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 30px; }
.stat-row strong { display: block; color: #fff; font-size: 42px; }
.stat-row span { color: rgba(255,255,255,.72); }
.site-footer { background: #07131f; color: rgba(255,255,255,.75); padding-top: 68px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .9fr 1fr 1fr; gap: 34px; align-items: start; }
.footer-logo { width: 210px; background: white; padding: 8px; margin-bottom: 18px; }
.site-footer h3 { color: #fff; margin-bottom: 18px; font-size: 18px; text-transform: uppercase; }
.site-footer a { display: block; margin-bottom: 9px; color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--orange); }
.footer-cta { background: var(--blue); padding: 30px; color: #fff; text-align: center; }
.footer-cta h2 { color: #fff; margin-bottom: 20px; font-size: 30px; }
.footer-cta a { background: #fff; color: var(--blue); padding: 12px 24px; display: inline-flex; margin-bottom: 18px; font-weight: 800; }
.copyright { border-top: 1px solid rgba(255,255,255,.08); margin-top: 45px; padding: 20px 16px; text-align: center; color: rgba(255,255,255,.58); font-size: 14px; }
.floating-call { position: fixed; right: 18px; bottom: 18px; background: var(--blue); color: #fff; padding: 13px 22px; z-index: 200; box-shadow: var(--shadow); font-weight: 800; }
@media (max-width: 1000px) {
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 86px; background: #fff; padding: 18px 24px; box-shadow: var(--shadow); }
  .main-nav.open { display: grid; }
  .main-nav a { padding: 10px 0; }
  .menu-toggle { display: block; }
  .hero-form { grid-template-columns: 1fr; max-width: 520px; }
  .feature-grid, .about-grid, .contact-band, .maintenance-grid, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
  .feature-grid { transform: none; margin-bottom: 0; padding-top: 35px; }
  .about-media { max-width: 650px; margin: 0 auto; }
  .contact-inner { max-width: none; margin-left: 0; }
  .contact-right { min-height: 420px; }
  .before-after-grid, .two-col-text { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .topbar-inner, .topbar-left, .topbar-social { justify-content: center; text-align: center; }
  .brand img { width: 190px; }
  .hero-section { min-height: 610px; }
  .hero-content { padding: 65px 0; }
  h1 { font-size: 45px; }
  .hero-phone { font-size: 34px; }
  .section { padding: 62px 0; }
  .about-media { min-height: auto; display: grid; grid-template-columns: 1fr; }
  .hidden-mobile { display: none; }
  .after-card { margin-top: 0; }
  .experience-card { position: static; width: 100%; }
  .compare-card { height: 235px; }
  .form-row, .tip-grid, .stat-row { grid-template-columns: 1fr; }
  .contact-left { padding: 56px 18px; }
  .call-card { left: 18px; right: 18px; bottom: 18px; }
  .ba-frame { grid-template-columns: 1fr; }
  .ba-frame img, .ba-frame { min-height: 260px; }
  .footer-grid { gap: 28px; }
  .floating-call { left: 14px; right: 14px; text-align: center; }
}