* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif; background: #0f0e0c; color: #f5ecd9; }
a { color: #d4af37; text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }

/* Navigation */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(15,14,12,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(212,175,55,0.2); }
.navbar .nav-inner { max-width: 1400px; margin: 0 auto; padding: 0 30px; display: flex; justify-content: space-between; align-items: center; height: 70px; }
.navbar .brand { font-size: 22px; font-weight: bold; color: #d4af37; letter-spacing: 2px; }
.navbar .brand span { color: #fff; font-weight: normal; }
.navbar .menu { display: flex; gap: 28px; }
.navbar .menu a { color: rgba(255,255,255,0.8); font-size: 15px; padding: 8px 0; position: relative; }
.navbar .menu a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #d4af37; transition: width 0.3s; }
.navbar .menu a:hover::after, .navbar .menu a.active::after { width: 100%; }
.navbar .menu a:hover { color: #fff; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; 
    background: 
        radial-gradient(circle at 30% 40%, rgba(139,0,0,0.15) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(212,175,55,0.1) 0%, transparent 35%),
        linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.75)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath d='M100 20 L130 80 L70 80 Z' fill='none' stroke='%23d4af37' stroke-opacity='0.08' stroke-width='1'/%3E%3Ccircle cx='100' cy='120' r='40' fill='none' stroke='%23d4af37' stroke-opacity='0.06' stroke-width='1'/%3E%3Cpath d='M60 120 Q100 80 140 120' fill='none' stroke='%23d4af37' stroke-opacity='0.05' stroke-width='1'/%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 2; max-width: 900px; padding: 0 30px; }
.hero-subtitle { color: #d4af37; font-size: 18px; letter-spacing: 8px; margin-bottom: 20px; text-transform: uppercase; }
.hero h1 { font-size: 64px; margin: 0 0 25px; font-weight: bold; letter-spacing: 10px; text-shadow: 0 4px 20px rgba(0,0,0,0.5); }
.hero p { font-size: 20px; line-height: 1.8; color: rgba(255,255,255,0.9); margin-bottom: 40px; }
.hero-btns { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 36px; border-radius: 50px; border: none; cursor: pointer; font-size: 16px; transition: all 0.3s; text-align: center; font-weight: 500; }
.btn-gold { background: linear-gradient(135deg, #d4af37, #b8962e); color: #1a1815; }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(212,175,55,0.4); }
.btn-outline { background: transparent; color: #d4af37; border: 2px solid #d4af37; }
.btn-outline:hover { background: #d4af37; color: #1a1815; }

.scroll-hint { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.6); animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }

/* Sections */
.section { padding: 100px 30px; max-width: 1400px; margin: 0 auto; }
.section-dark { background: #0f0e0c; }
.section-light { background: #181612; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title .subtitle { color: #d4af37; font-size: 16px; letter-spacing: 6px; margin-bottom: 15px; display: block; }
.section-title h2 { font-size: 40px; margin: 0; color: #fff; font-weight: normal; }
.section-title p { color: rgba(255,255,255,0.6); margin-top: 15px; font-size: 16px; }

/* Intro */
.intro-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.intro-text p { line-height: 2; color: rgba(255,255,255,0.8); margin-bottom: 20px; font-size: 16px; }
.intro-text .highlight { color: #d4af37; font-size: 20px; border-left: 3px solid #d4af37; padding-left: 15px; margin: 30px 0; }
.intro-image { position: relative; }
.intro-image .image-frame { width: 100%; min-height: 420px; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); border: 1px solid rgba(212,175,55,0.2); background: linear-gradient(145deg, #1a1815, #0f0e0c); display: flex; align-items: center; justify-content: center; flex-direction: column; position: relative; overflow: hidden; }
.intro-image .image-frame::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cpath d='M60 10 L80 50 L60 40 L40 50 Z' fill='none' stroke='%23d4af37' stroke-opacity='0.1' stroke-width='1'/%3E%3Cpath d='M30 50 L90 50 L90 90 L30 90 Z' fill='none' stroke='%23d4af37' stroke-opacity='0.1' stroke-width='1'/%3E%3Cpath d='M20 90 L100 90' fill='none' stroke='%23d4af37' stroke-opacity='0.1' stroke-width='1'/%3E%3C/svg%3E"); opacity: 0.8; }
.intro-image .image-frame .placeholder-icon { font-size: 80px; color: rgba(212,175,55,0.3); margin-bottom: 20px; }
.intro-image .image-frame .placeholder-text { color: rgba(255,255,255,0.4); font-size: 14px; letter-spacing: 2px; }
.intro-image .image-frame .placeholder-title { color: #d4af37; font-size: 24px; letter-spacing: 4px; margin-bottom: 10px; }
.intro-image::before { content: ''; position: absolute; top: -20px; left: -20px; right: 20px; bottom: 20px; border: 1px solid rgba(212,175,55,0.3); border-radius: 16px; z-index: -1; }

/* Stats */
.stats-section { background: linear-gradient(rgba(15,14,12,0.92), rgba(15,14,12,0.92)), 
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M30 5 L35 25 L30 20 L25 25 Z' fill='none' stroke='%23d4af37' stroke-opacity='0.08' stroke-width='1'/%3E%3Ccircle cx='30' cy='40' r='12' fill='none' stroke='%23d4af37' stroke-opacity='0.06' stroke-width='1'/%3E%3C/svg%3E"); }
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-card { text-align: center; padding: 40px 20px; background: rgba(24,22,18,0.8); border: 1px solid rgba(212,175,55,0.2); border-radius: 16px; backdrop-filter: blur(5px); }
.stat-card .num { font-size: 48px; font-weight: bold; color: #d4af37; margin-bottom: 10px; }
.stat-card .txt { color: rgba(255,255,255,0.7); font-size: 16px; }

/* Culture cards */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.culture-card { background: rgba(24,22,18,0.6); border: 1px solid rgba(212,175,55,0.15); border-radius: 16px; padding: 40px 30px; text-align: center; transition: all 0.3s; position: relative; overflow: hidden; }
.culture-card:hover { transform: translateY(-8px); border-color: rgba(212,175,55,0.4); box-shadow: 0 15px 40px rgba(0,0,0,0.4); }
.culture-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, transparent, #d4af37, transparent); opacity: 0.5; }
.culture-icon { font-size: 48px; margin-bottom: 25px; }
.culture-card h4 { color: #d4af37; font-size: 22px; margin: 0 0 15px; font-weight: normal; letter-spacing: 2px; }
.culture-card p { color: rgba(255,255,255,0.6); font-size: 15px; line-height: 1.8; margin: 0; }

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery-item { aspect-ratio: 4/3; border-radius: 12px; overflow: hidden; position: relative; border: 1px solid rgba(212,175,55,0.15); background: linear-gradient(145deg, #1a1815, #0f0e0c); display: flex; align-items: center; justify-content: center; flex-direction: column; }
.gallery-item .gallery-icon { font-size: 40px; color: rgba(212,175,55,0.3); margin-bottom: 10px; }
.gallery-item .gallery-label { color: rgba(255,255,255,0.4); font-size: 13px; letter-spacing: 1px; }
.gallery-item .gallery-tag { position: absolute; bottom: 10px; right: 10px; background: rgba(139,0,0,0.8); color: #fff; padding: 3px 10px; border-radius: 10px; font-size: 11px; }

/* Lighthouse cards */
.area-block { margin-bottom: 80px; }
.area-header { display: flex; align-items: center; margin-bottom: 40px; }
.area-header h3 { font-size: 28px; margin: 0; color: #d4af37; font-weight: normal; letter-spacing: 4px; }
.area-header .line { flex: 1; height: 1px; background: rgba(212,175,55,0.3); margin-left: 30px; }
.lighthouse-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 25px; }
.lighthouse-card { background: rgba(24,22,18,0.6); border: 1px solid rgba(212,175,55,0.15); border-radius: 16px; overflow: hidden; transition: all 0.3s; cursor: pointer; }
.lighthouse-card:hover { transform: translateY(-8px); border-color: rgba(212,175,55,0.5); box-shadow: 0 15px 40px rgba(0,0,0,0.4); }
.lighthouse-img { height: 180px; background: linear-gradient(145deg, rgba(40,30,20,0.8), rgba(20,15,10,0.9)); position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.lighthouse-img::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='160' viewBox='0 0 100 160'%3E%3Cpath d='M50 10 L70 50 L60 50 L60 140 L40 140 L40 50 L30 50 Z' fill='none' stroke='%23d4af37' stroke-opacity='0.15' stroke-width='1.5'/%3E%3Cpath d='M25 140 L75 140' fill='none' stroke='%23d4af37' stroke-opacity='0.12' stroke-width='1'/%3E%3Ccircle cx='50' cy='75' r='8' fill='none' stroke='%23d4af37' stroke-opacity='0.2' stroke-width='1'/%3E%3Ccircle cx='50' cy='105' r='8' fill='none' stroke='%23d4af37' stroke-opacity='0.2' stroke-width='1'/%3E%3C/svg%3E") center/contain no-repeat; }
.lighthouse-img .tag { position: absolute; top: 15px; right: 15px; background: rgba(139,0,0,0.9); color: #fff; padding: 5px 15px; border-radius: 20px; font-size: 13px; }
.lighthouse-img .lh-icon { font-size: 64px; color: rgba(212,175,55,0.4); z-index: 1; }
.lighthouse-body { padding: 25px; }
.lighthouse-body h4 { margin: 0 0 10px; font-size: 22px; color: #fff; }
.lighthouse-body p { color: rgba(255,255,255,0.5); margin: 0 0 20px; font-size: 14px; }
.lighthouse-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 20px; }
.meta-item { text-align: center; padding: 12px; background: rgba(15,14,12,0.5); border-radius: 10px; }
.meta-item .num { font-size: 20px; font-weight: bold; color: #d4af37; }
.meta-item .txt { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 5px; }
.lighthouse-card .btn-view { display: block; width: 100%; padding: 12px; background: transparent; color: #d4af37; border: 1px solid #d4af37; border-radius: 50px; text-align: center; transition: all 0.3s; }
.lighthouse-card:hover .btn-view { background: #d4af37; color: #1a1815; }

/* Selection modal */
.modal { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.85); z-index: 1000; justify-content: center; align-items: center; backdrop-filter: blur(5px); }
.modal.active { display: flex; }
.modal-content { background: #181612; border-radius: 20px; width: 92%; max-width: 1000px; max-height: 90vh; overflow-y: auto; border: 1px solid rgba(212,175,55,0.2); }
.modal-header { padding: 25px 30px; border-bottom: 1px solid rgba(212,175,55,0.15); display: flex; justify-content: space-between; align-items: center; }
.modal-header h3 { margin: 0; color: #d4af37; font-size: 22px; font-weight: normal; }
.modal-close { font-size: 30px; cursor: pointer; color: rgba(255,255,255,0.5); transition: color 0.2s; }
.modal-close:hover { color: #fff; }
.modal-body { padding: 30px; }
.modal-footer { padding: 20px 30px; border-top: 1px solid rgba(212,175,55,0.15); text-align: right; }

.floor-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 25px; }
.floor-tab { padding: 10px 22px; background: rgba(15,14,12,0.6); border: 1px solid rgba(212,175,55,0.2); border-radius: 30px; cursor: pointer; color: rgba(255,255,255,0.8); transition: all 0.2s; }
.floor-tab:hover, .floor-tab.active { background: #d4af37; color: #1a1815; border-color: #d4af37; }

.lamp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(65px, 1fr)); gap: 10px; max-height: 420px; overflow-y: auto; padding: 15px; background: rgba(15,14,12,0.5); border-radius: 12px; }
.lamp-item { position: relative; padding: 12px 5px; text-align: center; border-radius: 10px; cursor: pointer; border: 1px solid rgba(212,175,55,0.15); background: rgba(24,22,18,0.6); transition: all 0.2s; }
.lamp-item:hover { border-color: #d4af37; }
.lamp-item.available { background: rgba(40,70,40,0.4); }
.lamp-item.occupied { background: rgba(80,40,40,0.5); cursor: not-allowed; }
.lamp-item.expired { background: rgba(80,70,30,0.4); cursor: not-allowed; }
.lamp-item.selected { border: 2px solid #d4af37; box-shadow: 0 0 15px rgba(212,175,55,0.4); }
.lamp-item .lamp-icon { font-size: 22px; }
.lamp-item .lamp-num { font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 6px; }
.lamp-item .lamp-status { font-size: 11px; color: rgba(255,255,255,0.4); }

.legend { display: flex; gap: 25px; margin-bottom: 25px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.7); }
.legend-box { width: 22px; height: 22px; border-radius: 6px; border: 1px solid rgba(212,175,55,0.3); }

.selected-info { background: rgba(212,175,55,0.1); padding: 18px; border-radius: 12px; margin-bottom: 25px; border-left: 4px solid #d4af37; color: rgba(255,255,255,0.9); }
.selected-info strong { color: #d4af37; }

/* Register form */
.form-section { background: #181612; border: 1px solid rgba(212,175,55,0.1); border-radius: 20px; padding: 50px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 500; color: rgba(255,255,255,0.85); }
.form-group label .required { color: #d4af37; }
.form-control { width: 100%; padding: 14px; border: 1px solid rgba(212,175,55,0.2); border-radius: 10px; font-size: 15px; background: rgba(15,14,12,0.6); color: #fff; }
.form-control:focus { border-color: #d4af37; outline: none; background: rgba(15,14,12,0.8); }
textarea.form-control { min-height: 100px; resize: vertical; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.feature-card { text-align: center; padding: 40px 25px; background: rgba(24,22,18,0.6); border: 1px solid rgba(212,175,55,0.1); border-radius: 16px; transition: all 0.3s; }
.feature-card:hover { border-color: rgba(212,175,55,0.4); transform: translateY(-5px); }
.feature-icon { font-size: 42px; margin-bottom: 20px; }
.feature-card h4 { color: #d4af37; margin: 0 0 12px; font-size: 20px; font-weight: normal; }
.feature-card p { color: rgba(255,255,255,0.6); font-size: 14px; line-height: 1.7; margin: 0; }

/* VR section */
.vr-section { text-align: center; }
.vr-preview { position: relative; border-radius: 20px; overflow: hidden; margin-bottom: 30px; border: 1px solid rgba(212,175,55,0.2); background: linear-gradient(145deg, #1a1815, #0f0e0c); min-height: 400px; display: flex; align-items: center; justify-content: center; }
.vr-preview::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath d='M100 30 L130 80 L110 80 L110 160 L90 160 L90 80 L70 80 Z' fill='none' stroke='%23d4af37' stroke-opacity='0.1' stroke-width='2'/%3E%3Ccircle cx='100' cy='110' r='20' fill='none' stroke='%23d4af37' stroke-opacity='0.08' stroke-width='1'/%3E%3Cpath d='M40 160 L160 160' fill='none' stroke='%23d4af37' stroke-opacity='0.08' stroke-width='1'/%3E%3C/svg%3E"); }
.vr-preview-inner { position: relative; z-index: 1; text-align: center; }
.vr-preview-inner .vr-icon { font-size: 80px; color: rgba(212,175,55,0.4); margin-bottom: 20px; }
.vr-preview-inner h3 { color: #d4af37; font-size: 28px; margin: 0 0 15px; letter-spacing: 4px; }
.vr-preview-inner p { color: rgba(255,255,255,0.5); margin: 0 0 30px; }
.vr-play { width: 100px; height: 100px; border-radius: 50%; background: rgba(212,175,55,0.9); display: inline-flex; align-items: center; justify-content: center; font-size: 36px; color: #1a1815; cursor: pointer; transition: all 0.3s; text-decoration: none; }
.vr-play:hover { transform: scale(1.1); background: #d4af37; }

/* Footer */
.footer { background: #0a0908; padding: 60px 30px 30px; text-align: center; border-top: 1px solid rgba(212,175,55,0.1); }
.footer .brand { font-size: 24px; color: #d4af37; margin-bottom: 20px; }
.footer p { color: rgba(255,255,255,0.5); margin: 8px 0; font-size: 14px; }
.footer-links { margin: 25px 0; }
.footer-links a { color: rgba(255,255,255,0.6); margin: 0 15px; font-size: 14px; }
.footer-links a:hover { color: #d4af37; }

/* Search info page */
.search-bar { display: flex; gap: 15px; margin-bottom: 40px; flex-wrap: wrap; }
.search-bar input, .search-bar select { flex: 1; min-width: 200px; padding: 14px 18px; border: 1px solid rgba(212,175,55,0.2); border-radius: 10px; background: rgba(15,14,12,0.6); color: #fff; font-size: 15px; }
.search-bar input:focus, .search-bar select:focus { border-color: #d4af37; outline: none; }
.search-bar .btn { flex: 0 0 auto; }
.info-filters { display: flex; gap: 15px; margin-bottom: 30px; flex-wrap: wrap; }
.filter-chip { padding: 8px 18px; border-radius: 30px; border: 1px solid rgba(212,175,55,0.2); background: rgba(15,14,12,0.6); color: rgba(255,255,255,0.7); cursor: pointer; transition: all 0.2s; }
.filter-chip.active, .filter-chip:hover { background: #d4af37; color: #1a1815; border-color: #d4af37; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 25px; }
.info-card { background: rgba(24,22,18,0.6); border: 1px solid rgba(212,175,55,0.15); border-radius: 16px; overflow: hidden; transition: all 0.3s; }
.info-card:hover { border-color: rgba(212,175,55,0.4); }
.info-card-header { padding: 20px 25px; border-bottom: 1px solid rgba(212,175,55,0.1); background: rgba(15,14,12,0.4); }
.info-card-header h4 { margin: 0; color: #d4af37; font-size: 20px; }
.info-card-header small { color: rgba(255,255,255,0.5); font-size: 13px; }
.info-card-body { padding: 20px 25px; }
.info-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 15px; }
.info-stat { text-align: center; padding: 10px; background: rgba(15,14,12,0.5); border-radius: 8px; }
.info-stat .num { font-size: 18px; color: #d4af37; font-weight: bold; }
.info-stat .txt { font-size: 11px; color: rgba(255,255,255,0.5); }
.lamp-mini-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(45px, 1fr)); gap: 6px; }
.lamp-mini { padding: 8px 2px; text-align: center; border-radius: 6px; font-size: 11px; border: 1px solid rgba(212,175,55,0.1); cursor: pointer; transition: all 0.2s; position: relative; }
.lamp-mini.available { background: rgba(40,70,40,0.3); color: rgba(255,255,255,0.6); }
.lamp-mini.occupied { background: rgba(80,40,40,0.4); color: rgba(255,255,255,0.5); }
.lamp-mini.expired { background: rgba(80,70,30,0.3); color: rgba(255,255,255,0.5); }
.lamp-mini:hover { border-color: #d4af37; }
.lamp-mini .mask-name { font-size: 10px; color: rgba(255,255,255,0.4); display: block; margin-top: 2px; }
.load-more { text-align: center; margin-top: 40px; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 12px; font-size: 12px; }
.badge-success { background: rgba(40,80,40,0.5); color: #a5d6a7; }
.badge-warning { background: rgba(120,100,20,0.5); color: #ffe082; }
.badge-info { background: rgba(20,80,120,0.5); color: #90caf9; }
.badge-danger { background: rgba(120,40,40,0.5); color: #ef9a9a; }

/* Lamp tooltip */
.lamp-tooltip { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: rgba(24,22,18,0.95); border: 1px solid rgba(212,175,55,0.3); border-radius: 8px; padding: 10px; min-width: 150px; z-index: 10; display: none; font-size: 12px; text-align: left; }
.lamp-mini:hover .lamp-tooltip { display: block; }
.lamp-tooltip p { margin: 3px 0; color: rgba(255,255,255,0.7); }
.lamp-tooltip strong { color: #d4af37; }

@media (max-width: 992px) {
    .hero h1 { font-size: 42px; }
    .intro-content { grid-template-columns: 1fr; }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .culture-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .navbar .menu { display: none; }
    .hero h1 { font-size: 32px; letter-spacing: 4px; }
    .hero p { font-size: 16px; }
    .form-row { grid-template-columns: 1fr; }
    .lighthouse-grid { grid-template-columns: 1fr; }
    .stat-cards, .features-grid { grid-template-columns: 1fr; }
    .section { padding: 60px 20px; }
}

.alert { padding: 15px; border-radius: 10px; margin-bottom: 20px; }
.alert-success { background: rgba(40,80,40,0.5); color: #a5d6a7; }
.alert-error { background: rgba(80,40,40,0.5); color: #ef9a9a; }