/* ========================================
   红城优帮家政 - 品牌官网样式表
   配色：中国红(#C53D43) + 金色(#C9A96E)
   辅助：深灰 + 浅灰 + 白色
   高亮：环保绿(#5CB85C)
   ======================================== */

:root {
    --red: #C53D43;
    --red-dark: #A52D33;
    --red-light: #F8E8E8;
    --gold: #C9A96E;
    --gold-light: #F5EDD6;
    --gold-dark: #A8884E;
    --green: #5CB85C;
    --dark: #2C2C2C;
    --gray-dark: #555;
    --gray: #888;
    --gray-light: #BBB;
    --gray-bg: #F8F8F8;
    --white: #FFF;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --shadow-hover: 0 8px 35px rgba(0,0,0,.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    --nav-height: 72px;
    --max-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    color: var(--dark);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--red); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--red-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2.2rem; color: var(--dark); margin-bottom: 12px; position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 3px; background: linear-gradient(90deg, var(--red), var(--gold)); margin: 12px auto 0; border-radius: 2px; }
.section-title p { color: var(--gray); font-size: 1rem; margin-top: 8px; }
.section-padding { padding: 80px 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 30px; border-radius: 50px; font-size: .95rem; font-weight: 600; cursor: pointer; border: none; transition: var(--transition); text-decoration: none; font-family: inherit; }
.btn-red { background: var(--red); color: var(--white); }
.btn-red:hover { background: var(--red-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(197,61,67,.35); }
.btn-gold { background: var(--gold); color: var(--white); }
.btn-gold:hover { background: var(--gold-dark); color: var(--white); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 2px solid var(--red); color: var(--red); }
.btn-outline:hover { background: var(--red); color: var(--white); transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--red); }
.btn-white:hover { background: var(--gray-bg); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: .85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* Navigation */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height); background: rgba(255,255,255,.97); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid rgba(0,0,0,.05); transition: var(--transition); }
.navbar.scrolled { box-shadow: var(--shadow); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.navbar .logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; color: var(--dark); text-decoration: none; }
.navbar .logo img { height: 42px; }
.navbar .logo .logo-text span { color: var(--red); }
.navbar .logo .logo-sub { font-size: .65rem; font-weight: 400; color: var(--gray); display: block; margin-top: -2px; letter-spacing: 2px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 16px; color: var(--dark); font-size: .92rem; font-weight: 500; border-radius: 6px; transition: var(--transition); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--red); background: var(--red-light); }
.nav-links .nav-cta { background: var(--red); color: var(--white); padding: 10px 22px; border-radius: 50px; margin-left: 8px; }
.nav-links .nav-cta:hover { background: var(--red-dark); color: var(--white); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.hamburger span { width: 26px; height: 2.5px; background: var(--dark); border-radius: 2px; transition: var(--transition); }

/* Hero */
.hero { padding-top: var(--nav-height); min-height: 100vh; position: relative; overflow: hidden; background: linear-gradient(135deg, #1a1a2e 0%, #2C2C2C 50%, #1a1a2e 100%); }
.hero-slider { position: relative; height: 100vh; min-height: 600px; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; display: flex; align-items: center; }
.hero-slide.active { opacity: 1; }
.hero-slide .bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(.45); }
.hero-slide .bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(44,44,44,.8) 0%, transparent 50%, rgba(44,44,44,.3) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 650px; padding: 0 20px; margin-left: 5%; }
.hero-content .tag { display: inline-block; background: rgba(197,61,67,.2); border: 1px solid rgba(197,61,67,.3); color: var(--gold); padding: 6px 18px; border-radius: 50px; font-size: .82rem; font-weight: 600; margin-bottom: 20px; letter-spacing: 1px; }
.hero-content h1 { font-size: 3.2rem; color: var(--white); margin-bottom: 16px; line-height: 1.2; }
.hero-content h1 span { color: var(--gold); }
.hero-content p { font-size: 1.1rem; color: rgba(255,255,255,.75); margin-bottom: 30px; max-width: 520px; }
.hero-content .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-indicators { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero-indicators span { width: 40px; height: 4px; background: rgba(255,255,255,.3); border-radius: 2px; cursor: pointer; transition: var(--transition); }
.hero-indicators span.active { background: var(--gold); width: 60px; }

/* Floating Bar */
.floating-bar { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.floating-bar a { width: 50px; height: 50px; border-radius: 50%; background: var(--white); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; transition: var(--transition); border: 1px solid rgba(0,0,0,.06); text-decoration: none; }
.floating-bar a:hover { transform: scale(1.1); box-shadow: var(--shadow-hover); }
.floating-bar a.phone { background: var(--red); color: var(--white); border: none; }
.floating-bar a.wechat { background: var(--green); color: var(--white); border: none; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.feature-card { text-align: center; padding: 35px 20px; border-radius: var(--radius); background: var(--white); border: 1px solid rgba(0,0,0,.06); transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--red), var(--gold)); transform: scaleX(0); transform-origin: left; transition: transform .4s ease; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.feature-card .icon { width: 70px; height: 70px; margin: 0 auto 18px; background: linear-gradient(135deg, var(--red-light), var(--gold-light)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: .88rem; color: var(--gray); line-height: 1.6; }

/* Services */
.services-section { background: var(--gray-bg); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); cursor: pointer; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-card .image { height: 220px; background-size: cover; background-position: center; position: relative; overflow: hidden; }
.service-card .image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 60%, rgba(44,44,44,.6)); }
.service-card .image .icon-overlay { position: absolute; top: 15px; left: 15px; z-index: 2; width: 45px; height: 45px; background: rgba(197,61,67,.9); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--white); }
.service-card .body { padding: 22px; }
.service-card .body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.service-card .body h3 a { color: var(--dark); }
.service-card .body h3 a:hover { color: var(--red); }
.service-card .body p { font-size: .88rem; color: var(--gray); margin-bottom: 14px; line-height: 1.7; }
.service-card .body .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.service-card .body .tags span { padding: 3px 12px; background: var(--red-light); color: var(--red); border-radius: 50px; font-size: .78rem; font-weight: 500; }

/* Cases */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.case-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); position: relative; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.case-card .image { height: 260px; background-size: cover; background-position: center; position: relative; }
.case-card .image .overlay { position: absolute; inset: 0; background: linear-gradient(transparent 50%, rgba(44,44,44,.8)); opacity: 0; transition: var(--transition); }
.case-card:hover .overlay { opacity: 1; }
.case-card .image .tags { position: absolute; top: 15px; left: 15px; display: flex; gap: 6px; z-index: 2; }
.case-card .image .tags span { padding: 4px 14px; background: var(--red); color: var(--white); border-radius: 50px; font-size: .75rem; font-weight: 600; }
.case-card .info { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; z-index: 2; }
.case-card .info h3 { color: var(--white); font-size: 1rem; margin-bottom: 4px; }
.case-card .info p { color: rgba(255,255,255,.7); font-size: .82rem; }

/* Testimonials */
.testimonials-section { background: var(--gray-bg); }
.testimonials-slider { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.testimonial-card { background: var(--white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); transition: var(--transition); position: relative; }
.testimonial-card::before { content: '"'; position: absolute; top: 15px; right: 25px; font-size: 4rem; color: var(--red-light); font-family: Georgia, serif; line-height: 1; }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.testimonial-card .stars { color: #F5A623; font-size: 1rem; margin-bottom: 12px; }
.testimonial-card .content { font-size: .92rem; color: var(--gray-dark); line-height: 1.8; margin-bottom: 18px; }
.testimonial-card .client { display: flex; align-items: center; gap: 12px; }
.testimonial-card .client .avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--gold-light), var(--red-light)); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--red); font-size: 1.1rem; }
.testimonial-card .client .info .name { font-size: .92rem; font-weight: 600; }
.testimonial-card .client .info .type { font-size: .78rem; color: var(--gray); }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.news-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid rgba(0,0,0,.05); }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-card .image { height: 190px; background-size: cover; background-position: center; position: relative; }
.news-card .image .date-badge { position: absolute; bottom: 10px; left: 10px; background: rgba(44,44,44,.85); color: var(--white); padding: 4px 14px; border-radius: 50px; font-size: .78rem; }
.news-card .body { padding: 20px; }
.news-card .body .category { display: inline-block; font-size: .75rem; color: var(--red); font-weight: 600; margin-bottom: 8px; }
.news-card .body h3 { font-size: 1rem; margin-bottom: 8px; }
.news-card .body h3 a { color: var(--dark); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .body h3 a:hover { color: var(--red); }
.news-card .body p { font-size: .85rem; color: var(--gray); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Contact Section */
.contact-section { background: linear-gradient(135deg, var(--dark) 0%, #1a1a1a 100%); color: var(--white); }
.contact-section .section-title h2 { color: var(--white); }
.contact-section .section-title h2::after { background: linear-gradient(90deg, var(--gold), var(--red)); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info h3 { font-size: 1.3rem; margin-bottom: 25px; }
.contact-info h3 span { color: var(--gold); }
.contact-info .item { display: flex; gap: 15px; margin-bottom: 20px; }
.contact-info .item .icon { width: 46px; height: 46px; min-width: 46px; background: rgba(197,61,67,.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.contact-info .item .text h4 { font-size: .92rem; color: var(--gold); margin-bottom: 2px; }
.contact-info .item .text p { color: rgba(255,255,255,.7); font-size: .88rem; }
.contact-form { background: rgba(255,255,255,.05); border-radius: var(--radius); padding: 35px; border: 1px solid rgba(255,255,255,.08); }
.contact-form h3 { font-size: 1.2rem; margin-bottom: 20px; }
.contact-form h3 span { color: var(--gold); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; color: rgba(255,255,255,.7); margin-bottom: 6px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.08); color: var(--white); font-size: .92rem; font-family: inherit; transition: var(--transition); outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold); background: rgba(255,255,255,.12); }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,.3); }
.form-group select option { color: var(--dark); }

/* Footer */
.footer { background: #1a1a1a; color: rgba(255,255,255,.6); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-col h4 { color: var(--white); font-size: 1rem; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--red); }
.footer-col p { font-size: .88rem; line-height: 1.8; }
.footer-col .logo { font-size: 1.2rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.footer-col .logo span { color: var(--red); }
.footer-col a { color: rgba(255,255,255,.6); font-size: .88rem; display: block; margin-bottom: 8px; }
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-col .contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: .88rem; }
.footer-col .qrcode { width: 100px; height: 100px; background: var(--gray-bg); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: .7rem; color: var(--gray); margin-top: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: .82rem; }

/* Page Header */
.page-header { padding-top: calc(var(--nav-height) + 60px); padding-bottom: 50px; background: linear-gradient(135deg, var(--dark) 0%, #1a1a1a 100%); text-align: center; position: relative; overflow: hidden; }
.page-header h1 { color: var(--white); font-size: 2.5rem; margin-bottom: 10px; }
.page-header p { color: rgba(255,255,255,.6); font-size: 1rem; max-width: 600px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; margin-bottom: 20px; font-size: .85rem; }
.breadcrumb a { color: rgba(255,255,255,.5); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: rgba(255,255,255,.3); }
.breadcrumb .current { color: var(--gold); }

/* Service Detail */
.service-detail { display: grid; grid-template-columns: 280px 1fr; gap: 40px; padding: 50px 0; }
.service-sidebar { position: sticky; top: calc(var(--nav-height) + 30px); }
.service-sidebar .nav-list { background: var(--gray-bg); border-radius: var(--radius); overflow: hidden; }
.service-sidebar .nav-list a { display: block; padding: 14px 20px; border-bottom: 1px solid rgba(0,0,0,.05); color: var(--dark); font-size: .9rem; font-weight: 500; transition: var(--transition); }
.service-sidebar .nav-list a:last-child { border-bottom: none; }
.service-sidebar .nav-list a:hover, .service-sidebar .nav-list a.active { background: var(--red); color: var(--white); padding-left: 28px; }
.service-main .hero-image { height: 350px; border-radius: var(--radius); background-size: cover; background-position: center; margin-bottom: 30px; }
.service-main h2 { font-size: 1.8rem; margin-bottom: 20px; }
.service-main h3 { font-size: 1.2rem; margin: 25px 0 12px; color: var(--red); }
.service-main p { color: var(--gray-dark); line-height: 2; margin-bottom: 15px; }
.service-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin: 25px 0; }
.service-flow .step { text-align: center; padding: 20px 15px; background: var(--gray-bg); border-radius: var(--radius); }
.service-flow .step .num { width: 36px; height: 36px; margin: 0 auto 10px; background: var(--red); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .9rem; }
.service-flow .step h4 { font-size: .92rem; margin-bottom: 4px; }
.service-flow .step p { font-size: .8rem; color: var(--gray); margin: 0; }

/* Filters */
.cases-filter, .testimonials-filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 35px; flex-wrap: wrap; }
.cases-filter button, .testimonials-filter button { padding: 8px 22px; border-radius: 50px; border: 1px solid rgba(0,0,0,.1); background: var(--white); color: var(--gray-dark); font-size: .88rem; cursor: pointer; transition: var(--transition); font-family: inherit; font-weight: 500; }
.cases-filter button:hover, .cases-filter button.active, .testimonials-filter button:hover, .testimonials-filter button.active { background: var(--red); color: var(--white); border-color: var(--red); }

/* Testimonials page */
.testimonials-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }

/* About Page */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-intro .image { height: 400px; background-size: cover; background-position: center; border-radius: var(--radius); background-color: var(--gray-bg); }
.about-intro .text h2 { font-size: 2rem; margin-bottom: 16px; }
.about-intro .text h2 span { color: var(--red); }
.about-intro .text p { color: var(--gray-dark); line-height: 2; margin-bottom: 15px; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; margin-top: 30px; }
.team-card { text-align: center; }
.team-card .avatar { width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 15px; background-size: cover; background-position: center; background: var(--gray-bg); }
.team-card h4 { font-size: 1rem; }
.team-card p { font-size: .85rem; color: var(--gray); }
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card { border: 1px solid rgba(0,0,0,.06); border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: var(--transition); }
.cert-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.cert-card .image { height: 180px; background-size: contain; background-position: center; background-repeat: no-repeat; background-color: var(--gray-bg); }
.cert-card p { padding: 12px; text-align: center; font-size: .85rem; font-weight: 500; }

/* Contact Page */
.contact-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: 50px 0; }
.contact-map { height: 300px; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(0,0,0,.06); }
.contact-map iframe { width: 100%; height: 100%; border: none; }
.transport-info { background: var(--gray-bg); border-radius: var(--radius); padding: 25px; margin-top: 25px; }
.transport-info h4 { font-size: 1rem; margin-bottom: 12px; color: var(--red); }
.transport-info p { font-size: .88rem; color: var(--gray-dark); line-height: 1.8; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 2000; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.modal-overlay.active { display: flex; }
.modal { background: var(--white); border-radius: var(--radius); padding: 40px; max-width: 500px; width: 90%; max-height: 90vh; overflow-y: auto; animation: modalIn .3s ease; position: relative; }
@keyframes modalIn { from { opacity: 0; transform: scale(.9) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal h3 { font-size: 1.3rem; margin-bottom: 20px; text-align: center; }
.modal .close-btn { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; cursor: pointer; color: var(--gray); background: none; border: none; }
.modal .form-group input, .modal .form-group select, .modal .form-group textarea { border: 1px solid rgba(0,0,0,.15); color: var(--dark); background: var(--white); }
.modal .form-group input:focus, .modal .form-group select:focus, .modal .form-group textarea:focus { border-color: var(--red); }

/* Toast */
.toast { position: fixed; top: 100px; right: 20px; z-index: 3000; padding: 16px 24px; border-radius: var(--radius-sm); color: var(--white); font-size: .92rem; font-weight: 500; box-shadow: var(--shadow-hover); transform: translateX(120%); transition: transform .4s ease; max-width: 380px; }
.toast.show { transform: translateX(0); }
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }

/* Animations */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid, .cases-grid, .news-grid, .testimonials-slider { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro, .contact-grid, .contact-page-grid { grid-template-columns: 1fr; }
    .service-detail { grid-template-columns: 1fr; }
    .service-sidebar { position: static; }
    .testimonials-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links { display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px; box-shadow: var(--shadow); gap: 4px; }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 16px; font-size: 1rem; }
    .nav-links .nav-cta { margin-left: 0; text-align: center; }
    .hamburger { display: flex; }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: .92rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .section-title h2 { font-size: 1.6rem; }
    .services-grid, .cases-grid, .news-grid, .testimonials-slider { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .certs-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header h1 { font-size: 1.8rem; }
    .floating-bar { right: 10px; }
    .floating-bar a { width: 42px; height: 42px; font-size: 1.1rem; }
    .contact-form { padding: 25px; }
    .hero-slide .bg { filter: brightness(.35); }
}
@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .team-grid, .certs-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 1.6rem; }
    .hero-content .hero-btns { flex-direction: column; }
    .btn-lg { padding: 14px 30px; }
}