/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo span {
    font-size: 24px;
    font-weight: 600;
    color: #1d1d1f;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: #1d1d1f;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #007aff;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #1d1d1f;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50vw;
    right: -50vw;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 122, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(88, 86, 214, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 245, 247, 0.95) 100%);
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50vw;
    right: -50vw;
    bottom: 0;
    background-image: 
        /* 网格背景 */
        linear-gradient(rgba(0, 122, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 122, 255, 0.03) 1px, transparent 1px),
        /* 点状装饰 */
        radial-gradient(circle at 10% 20%, rgba(0, 122, 255, 0.05) 2px, transparent 2px),
        radial-gradient(circle at 90% 80%, rgba(88, 86, 214, 0.05) 2px, transparent 2px),
        radial-gradient(circle at 30% 70%, rgba(0, 122, 255, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 70% 30%, rgba(88, 86, 214, 0.03) 1px, transparent 1px);
    background-size: 
        50px 50px,
        50px 50px,
        100px 100px,
        120px 120px,
        80px 80px,
        90px 90px;
    background-position:
        0 0,
        0 0,
        0 0,
        0 0,
        0 0,
        0 0;
    z-index: -1;
    animation: backgroundShift 20s linear infinite;
}

.hero-container {
    padding: 120px 20px 80px;
    display: flex;
    align-items: center;
    min-height: 60vh;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

@keyframes backgroundShift {
    0% {
        background-position:
            0 0,
            0 0,
            0 0,
            0 0,
            0 0,
            0 0;
    }
    100% {
        background-position:
            50px 50px,
            50px 50px,
            100px 100px,
            120px 120px,
            80px 80px,
            90px 90px;
    }
}

.hero-content {
    flex: 1;
    padding-right: 40px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #007aff, #5856d6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: #6e6e73;
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: #007aff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #007aff;
    border: 2px solid #007aff;
}

.btn-secondary:hover {
    background-color: #007aff;
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-visual {
    width: 500px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.smart-community {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.central-hub {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
}

.hub-core {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007aff, #5856d6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.hub-ring {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(0, 122, 255, 0.3);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.hub-ring::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #007aff;
    border-radius: 50%;
}

.connected-items {
    position: absolute;
    width: 100%;
    height: 100%;
}

.connected-item {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-1 {
    top: 20%;
    left: 20%;
    animation: float 3s ease-in-out infinite;
}

.item-2 {
    top: 20%;
    right: 20%;
    animation: float 3s ease-in-out infinite 0.5s;
}

.item-3 {
    bottom: 20%;
    left: 20%;
    animation: float 3s ease-in-out infinite 1s;
}

.item-4 {
    bottom: 20%;
    right: 20%;
    animation: float 3s ease-in-out infinite 1.5s;
}

.connection-line {
    position: absolute;
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, rgba(0, 122, 255, 0.6), transparent);
    transform-origin: bottom;
    z-index: 1;
}

.item-1 .connection-line {
    transform: rotate(45deg);
    bottom: 30px;
    right: 15px;
}

.item-2 .connection-line {
    transform: rotate(-45deg);
    bottom: 30px;
    left: 15px;
}

.item-3 .connection-line {
    transform: rotate(-45deg);
    top: 30px;
    right: 15px;
}

.item-4 .connection-line {
    transform: rotate(45deg);
    top: 30px;
    left: 15px;
}

.item-icon {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 6px 25px rgba(0, 122, 255, 0.2);
    border: 3px solid rgba(0, 122, 255, 0.1);
    z-index: 2;
    transition: transform 0.3s ease;
}

.item-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.3);
}

.data-flow {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.flow-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #007aff;
    border-radius: 50%;
    opacity: 0;
    animation: dataFlow 4s ease-in-out infinite;
}

.flow-particle:nth-child(1) {
    top: 30%;
    left: 30%;
    animation-delay: 0s;
}

.flow-particle:nth-child(2) {
    top: 50%;
    right: 30%;
    animation-delay: 1.3s;
}

.flow-particle:nth-child(3) {
    bottom: 30%;
    left: 40%;
    animation-delay: 2.6s;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 8px 30px rgba(0, 122, 255, 0.3);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 12px 40px rgba(0, 122, 255, 0.4);
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes dataFlow {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    20% {
        opacity: 1;
        transform: scale(1);
    }
    80% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.5) translateX(20px) translateY(-20px);
    }
}
}

.solution-visual {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px;
    position: relative;
}

/* 住宅小区解决方案 */
.residential-solution {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    width: 100%;
}

.building-complex {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.building-cluster {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-end;
}

.house {
    position: relative;
    width: 40px;
    height: 45px;
    background: linear-gradient(180deg, #ff6b6b 0%, #ff5722 100%);
    clip-path: polygon(50% 0%, 0% 70%, 0% 100%, 100% 100%, 100% 70%);
    transition: all 0.3s ease;
}

.house::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 12px;
    background: #2c3e50;
    border-radius: 2px;
}

.house::after {
    content: '';
    position: absolute;
    top: 15px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: #3498db;
    border-radius: 1px;
}

.house-1 {
    background: linear-gradient(180deg, #4ecdc4 0%, #26a69a 100%);
    animation: houseFloat 4s ease-in-out infinite;
}

.house-2 {
    background: linear-gradient(180deg, #ffd93d 0%, #ffb300 100%);
    height: 50px;
    animation: houseFloat 4s ease-in-out infinite 1.3s;
}

.house-3 {
    background: linear-gradient(180deg, #74b9ff 0%, #0984e3 100%);
    height: 42px;
    animation: houseFloat 4s ease-in-out infinite 2.6s;
}

.building-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 12px;
}

.unit {
    width: 25px;
    height: 25px;
    background: #e9ecef;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.unit.active {
    background: linear-gradient(135deg, #007aff, #34c759);
    box-shadow: 0 0 12px rgba(0, 122, 255, 0.4);
    animation: unitBlink 3s ease-in-out infinite;
}

.service-panels {
    display: flex;
    gap: 30px;
}

.panel {
    background: white;
    border-radius: 12px;
    padding: 20px 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 122, 255, 0.1);
    transition: all 0.3s ease;
    min-width: 120px;
}

.panel:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.panel-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.panel-icon {
    font-size: 1.6rem;
    color: #007aff;
    font-weight: 300;
}

.panel-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: #333;
    text-align: center;
}

.panel-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin: 0 auto;
}

.panel-status.online {
    background: #34c759;
    animation: statusGlow 2s ease-in-out infinite;
}

/* 商业综合体解决方案 */
.commercial-solution {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-layout {
    display: flex;
    gap: 50px;
    align-items: center;
}

.main-display {
    display: flex;
    flex-direction: column;
}

.display-screen {
    background: linear-gradient(135deg, #1c1c1e, #2c2c2e);
    border-radius: 16px;
    padding: 25px;
    color: white;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 200px;
}

.screen-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-icon {
    font-size: 1.4rem;
    color: #007aff;
    font-weight: 300;
}

.header-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: #ffffff;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #007aff;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.75rem;
    color: #8e8e93;
    font-weight: 400;
}

.control-modules {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.module {
    background: white;
    border-radius: 12px;
    padding: 18px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 122, 255, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 100px;
}

.module:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.module-icon {
    font-size: 1.8rem;
    color: #007aff;
    font-weight: 300;
}

.module-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: #333;
    text-align: center;
}

.module-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #8e8e93;
}

.module-indicator.active {
    background: #34c759;
    animation: indicatorPulse 2s ease-in-out infinite;
}

/* 解决方案动画 */
@keyframes unitBlink {
    0%, 70% { opacity: 1; }
    71%, 100% { opacity: 0.6; }
}

@keyframes statusGlow {
    0%, 100% { 
        opacity: 1; 
        box-shadow: 0 0 8px rgba(52, 199, 89, 0.6);
    }
    50% { 
        opacity: 0.7; 
        box-shadow: 0 0 12px rgba(52, 199, 89, 0.8);
    }
}

@keyframes indicatorPulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7; 
        transform: scale(1.2);
    }
}

@keyframes houseFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

/* Products Section */
.products {
    padding: 100px 20px;
    background-color: #f5f5f7;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1d1d1f;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(88, 86, 214, 0.1));
    color: #007aff;
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.product-icon:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.15), rgba(88, 86, 214, 0.15));
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.product-card p {
    color: #6e6e73;
    line-height: 1.6;
}

/* Solutions Section */
.solutions {
    padding: 100px 20px;
}

.solutions h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1d1d1f;
}

.solution-item {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    gap: 60px;
}

.solution-item.reverse {
    flex-direction: row-reverse;
}

.solution-content {
    flex: 1;
}

.solution-content h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1d1d1f;
}

.solution-content p {
    font-size: 1.1rem;
    color: #6e6e73;
    margin-bottom: 30px;
    line-height: 1.6;
}

.solution-content ul {
    list-style: none;
}

.solution-content li {
    padding: 8px 0;
    color: #6e6e73;
    position: relative;
    padding-left: 20px;
}

.solution-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #007aff;
    font-weight: bold;
}

.solution-image {
    flex: 1;
}

.solution-image .placeholder-image {
    width: 100%;
    height: 300px;
}

/* About Section */
.about {
    padding: 100px 20px;
    background-color: #f5f5f7;
}

.about-content {
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #1d1d1f;
}

.about p {
    font-size: 1.2rem;
    color: #6e6e73;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    color: #007aff;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 1.1rem;
    color: #6e6e73;
    margin: 0;
}

/* Contact Section */
.contact {
    padding: 100px 20px;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1d1d1f;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    margin-bottom: 40px;
}

.contact-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1d1d1f;
}

.contact-item p {
    color: #6e6e73;
    font-size: 1.1rem;
}

.contact-form {
    background: #f5f5f7;
    padding: 40px;
    border-radius: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px;
    margin-bottom: 20px;
    border: 1px solid #d1d1d6;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    background-color: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #007aff;
}

.contact-form button {
    width: 100%;
}

/* Footer */
.footer {
    background-color: #1d1d1f;
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #a1a1a6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #424245;
    color: #a1a1a6;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 10px 0;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding: 100px 20px 60px;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .solution-item,
    .solution-item.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-visual,
    .solution-visual {
        width: 100%;
        max-width: 400px;
        height: 300px;
        padding: 30px;
    }
    
    .house {
        width: 35px;
        height: 40px;
    }
    
    .house-2 {
        height: 45px;
    }
    
    .house-3 {
        height: 38px;
    }
    
    .building-grid {
        gap: 8px;
    }
    
    .unit {
        width: 20px;
        height: 20px;
    }
    
    .service-panels {
        gap: 20px;
    }
    
    .panel {
        min-width: 100px;
        padding: 15px 12px;
    }
    
    .panel-icon {
        font-size: 1.5rem;
    }
    
    .dashboard-layout {
        gap: 30px;
    }
    
    .display-screen {
        padding: 20px;
        min-width: 180px;
    }
    
    .module {
        min-width: 80px;
        padding: 15px;
    }
    
    .module-icon {
        font-size: 1.7rem;
    }
    
    .hero-visual {
        width: 100%;
        max-width: 350px;
        height: 300px;
    }
    
    .hub-core {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .hub-ring {
        width: 90px;
        height: 90px;
    }
    
    .item-icon {
        width: 45px;
        height: 45px;
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .products h2,
    .solutions h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .solution-content h3 {
        font-size: 1.5rem;
    }
    
    .stat-item h3 {
        font-size: 2.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}