/* === 全局变量 === */
:root {
    --primary-color: #165DFF; /* 科技蓝主题色 */
    --primary-light: #4080FF;
    --primary-dark: #0E40C9;
    --secondary-color: #165DFF; /* 统一为科技蓝 */
    --secondary-light: #4080FF;
    --secondary-dark: #0E40C9;
    --dark-color: #0F172A;
    --dark-blue: #1E293B;
    --gray-color: #64748B;
    --light-gray: #94A3B8;
    --light-color: #F8FAFC;
    --bg-gradient: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
    --card-gradient: linear-gradient(135deg, rgba(22, 93, 255, 0.08) 0%, rgba(22, 93, 255, 0.02) 100%);
    --glow-blue: 0 0 25px rgba(22, 93, 255, 0.4);
    --glow-gold: 0 0 25px rgba(22, 93, 255, 0.4);
    --grid-pattern: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23165DFF" fill-opacity="0.08"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
}

/* === 基础重置 === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
    background-color: var(--light-color);
    overflow-x: hidden;
}

/* 添加科技感背景图案 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--grid-pattern);
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.15);
    border: 2px solid transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    border-color: var(--primary-color);
    position: relative;
    z-index: 1;
    font-weight: 700;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: var(--glow-blue), 0 10px 30px rgba(22, 93, 255, 0.3);
    border-color: var(--primary-light);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: var(--glow-blue), 0 6px 20px rgba(22, 93, 255, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    position: relative;
    z-index: 1;
    font-weight: 700;
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--glow-blue), 0 10px 30px rgba(22, 93, 255, 0.3);
    border-color: var(--primary-light);
}

.btn-outline:active {
    transform: translateY(-1px);
    box-shadow: var(--glow-blue), 0 6px 20px rgba(22, 93, 255, 0.25);
}

/* 按钮禁用状态 */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.section-title::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--light-gray), transparent);
    z-index: 1;
}

.section-title h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    background: var(--light-color);
    padding: 0 30px;
    z-index: 2;
    font-weight: 800;
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    margin: 15px auto 0;
    border-radius: 2px;
    box-shadow: var(--glow-gold);
}

.section-title p {
    color: var(--gray-color);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    background: var(--light-color);
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* === 头部导航 === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(22, 93, 255, 0.1);
    padding: 15px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(22, 93, 255, 0.1);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.99);
    box-shadow: 0 4px 30px rgba(22, 93, 255, 0.15);
    padding: 10px 0;
    border-bottom: 1px solid rgba(22, 93, 255, 0.2);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.logo img {
    height: 45px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.1);
}

.logo span {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.main-navigation a {
    color: var(--dark-color);
    font-weight: 600;
    padding: 12px 16px;
    position: relative;
    transition: all 0.3s ease;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 8px;
    background: transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-navigation a:hover {
    color: var(--primary-color);
    background: rgba(22, 93, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.15);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
}

.main-navigation a:hover::after {
    transform: scaleX(1);
}

/* 导航激活状态 */
.main-navigation a.active {
    color: var(--primary-color);
    background: rgba(22, 93, 255, 0.1);
    box-shadow: 0 2px 8px rgba(22, 93, 255, 0.12);
}

.main-navigation a.active::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--glow-blue);
}

.menu-toggle.active {
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--glow-blue);
}

/* === Hero 区域 === */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-gradient);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(15, 82, 186, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: float 20s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(30px, -30px) rotate(180deg);
    }
}

.hero-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    padding-right: 30px;
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-content h1 {
    font-size: 4.2rem;
    line-height: 1.1;
    margin-bottom: 30px;
    font-weight: 900;
    letter-spacing: -1px;
    color: #ffffff;
}

.hero-content h1 span.blue {
    background: linear-gradient(135deg, #ffffff, var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    text-shadow: 0 0 30px rgba(255,255,255,0.3);
}

.hero-content h1 span.gold {
    background: linear-gradient(135deg, #ffffff, var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    text-shadow: 0 0 30px rgba(255,255,255,0.3);
}

.hero-content p {
    font-size: 1.4rem;
    color: #E2E8F0;
    margin-bottom: 40px;
    max-width: 650px;
    line-height: 1.8;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    text-align: center;
    animation: slideInRight 1s ease-out;
    position: relative;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.05);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    z-index: 1;
    opacity: 0.2;
    filter: blur(30px);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.2;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* === 业务板块 === */
.business-section {
    padding: 120px 0;
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.business-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--light-gray), transparent);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    z-index: 2;
}

.business-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    padding: 50px 35px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(22, 93, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(22, 93, 255, 0.15);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.business-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--glow-blue), 0 20px 60px rgba(22, 93, 255, 0.2);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #FFFFFF 0%, #F1F5FF 100%);
}

.business-card:hover::before {
    transform: scaleX(1);
}

.business-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.15), rgba(22, 93, 255, 0.05));
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 30px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.1);
}

.business-card:hover .business-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    transform: scale(1.1);
    box-shadow: var(--glow-blue), 0 8px 25px rgba(22, 93, 255, 0.3);
}

.business-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    font-weight: 700;
    transition: all 0.3s ease;
}

.business-card:hover h3 {
    color: var(--primary-color);
}

.business-card p {
    color: var(--gray-color);
    margin-bottom: 30px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 10px;
    background: rgba(22, 93, 255, 0.08);
    border: 1px solid rgba(22, 93, 255, 0.2);
}

.btn-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    transform: translateX(5px);
    gap: 12px;
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.2);
    border-color: var(--primary-color);
}

/* === 关于我们 === */
.about-section {
    padding: 120px 0;
    background: var(--bg-gradient);
    position: relative;
    overflow: hidden;
    color: #fff;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(15, 82, 186, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.about-inner {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 2;
}

.about-image {
    flex: 1;
    position: relative;
    animation: slideInLeft 1s ease-out;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.05);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    z-index: 1;
    opacity: 0.3;
    filter: blur(40px);
    animation: pulse 3s ease-in-out infinite;
}

.about-content {
    flex: 1;
    animation: slideInRight 1s ease-out;
}

.about-content h3 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff, var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.about-content p {
    margin-bottom: 25px;
    color: #E2E8F0;
    text-align: justify;
    line-height: 1.9;
    font-size: 1.1rem;
    font-weight: 500;
}

.about-content .btn {
    margin-top: 20px;
    border-color: #ffffff;
    color: #ffffff;
}

.about-content .btn:hover {
    background: linear-gradient(135deg, #ffffff, rgba(255,255,255,0.8));
    border-color: #ffffff;
    color: var(--dark-color);
    box-shadow: 0 0 30px rgba(255,255,255,0.3);
}

/* === 页脚 === */
.site-footer {
    background: var(--dark-color);
    color: #fff;
    padding: 100px 0 40px;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.footer-col h4 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
    font-weight: 700;
    color: var(--primary-light);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.footer-col p, .footer-col a {
    color: #E2E8F0;
    margin-bottom: 15px;
    display: block;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    padding-left: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.footer-col a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s ease;
    color: var(--secondary-color);
}

.footer-col a:hover {
    color: var(--secondary-color);
    padding-left: 20px;
}

.footer-col a:hover::before {
    left: 0;
    opacity: 1;
}

.copyright {
    text-align: center;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94A3B8;
    position: relative;
    z-index: 2;
    font-size: 0.95rem;
    font-weight: 500;
}

.copyright::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* === 现代化UI组件 === */

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeOut 0.5s ease-out 1s forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(15, 82, 186, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: var(--glow-blue);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 悬浮联系按钮 */
.floating-contact {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    cursor: pointer;
    z-index: 9998;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: pulse 2s ease-in-out infinite;
}

.floating-contact:hover {
    transform: scale(1.2) rotate(10deg);
    box-shadow: var(--glow-blue), var(--glow-gold), 0 12px 40px rgba(0,0,0,0.3);
}

/* 卡片悬停效果增强 */
.card-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--glow-blue), 0 20px 60px rgba(0,0,0,0.15);
}

/* 渐变边框效果 */
.gradient-border {
    position: relative;
    border-radius: 12px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 1;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .hero-section {
        flex-direction: column;
        height: auto;
        padding: 120px 0 100px;
        text-align: center;
    }
    
    .hero-inner {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 0;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .about-inner {
        flex-direction: column;
        gap: 50px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: #fff;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 998;
        overflow-y: auto;
    }
    
    .main-navigation.active {
        left: 0;
    }
    
    .main-navigation ul {
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
    }
    
    .main-navigation li {
        margin-bottom: 0;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
        padding: 0 20px;
    }
}