/* Website 84 - Large Hero + Grid Below Layout */
:root {
    --primary-color: #00b894;
    --primary-dark: #00a381;
    --secondary-color: #2d3436;
    --accent-color: #0984e3;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #2d3436;
    --text-light: #636e72;
    --border-color: #e9ecef;
    --shadow: 0 15px 50px rgba(0, 184, 148, 0.15);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.navbar.scrolled .navbar-logo {
    color: var(--secondary-color);
}

.navbar-logo span {
    color: var(--primary-color);
}

.navbar-nav {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.navbar-nav a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.navbar.scrolled .navbar-nav a {
    color: var(--secondary-color);
}

.navbar-nav a:hover {
    color: var(--primary-color);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
}

/* Large Hero Section */
.hero-large {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 5% 4rem;
    background: linear-gradient(135deg, #2d3436 0%, #1e272e 50%, var(--primary-color) 150%);
    position: relative;
    overflow: hidden;
}

.hero-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 184, 148, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(9, 132, 227, 0.2) 0%, transparent 50%);
}

.hero-large-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.hero-large h1 {
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-large h1 span {
    display: block;
    font-size: 2rem;
    font-weight: 400;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.hero-large p {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.85);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 184, 148, 0.3);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    animation: fadeInUp 0.8s ease 0.8s backwards;
}

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

.hero-stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.hero-stat-label {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

/* Grid Section */
.grid-section {
    padding: 6rem 5%;
    background: var(--bg-color);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-box {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-box:hover::before {
    transform: scaleX(1);
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 184, 148, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-box h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-box p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.feature-link:hover {
    gap: 1rem;
}

/* Highlight Box */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 4rem auto 0;
}

.highlight-box {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 24px;
    padding: 2.5rem;
    color: #fff;
    text-align: center;
}

.highlight-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.highlight-box p {
    opacity: 0.9;
}

/* CTA Section */
.cta-section {
    padding: 6rem 5%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1e272e 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: #1e272e;
    color: #fff;
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.footer-section p, .footer-section a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    display: block;
    margin: 0.75rem 0;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
}

/* Responsive */
@media (max-width: 1200px) {
    .hero-large h1 {
        font-size: 2.8rem;
    }

    .feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .navbar-nav {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-large h1 {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .highlight-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-large h1 {
        font-size: 2.5rem;
    }

    .hero-large h1 span {
        font-size: 1.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .highlight-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-box {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.feature-box:nth-child(1) { animation-delay: 0.1s; }
.feature-box:nth-child(2) { animation-delay: 0.2s; }
.feature-box:nth-child(3) { animation-delay: 0.3s; }
.feature-box:nth-child(4) { animation-delay: 0.4s; }
.feature-box:nth-child(5) { animation-delay: 0.5s; }
.feature-box:nth-child(6) { animation-delay: 0.6s; }