/* Global Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* Navbar Styles */
.navbar-custom {
    padding: 20px 0;
    transition: all 0.3s ease;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar-custom.sticky {
    padding: 15px 0;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-custom .navbar-nav .nav-link {
    color: var(--text-color);
    font-weight: 600;
    padding: 10px 20px;
    transition: all 0.3s ease;
}

.navbar-custom .navbar-nav .nav-link:hover,
.navbar-custom .navbar-nav .nav-link.active {
    color: var(--primary-color);
}

/* Hero Section */
.home {
    padding: 180px 0 120px;
    position: relative;
    background-size: cover;
    background-position: center;
}

.overlay {
    background: linear-gradient(45deg, rgba(0,0,0,0.8), rgba(0,0,0,0.6));
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.title-heading h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.home-caption {
    font-size: 1.2rem;
    max-width: 600px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--light-bg);
}

.features-box {
    padding: 40px 30px;
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.features-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.features-icon {
    height: 60px;
    width: 60px;
    line-height: 60px;
    text-align: center;
    border-radius: 12px;
    background: var(--primary-color);
    color: white;
    font-size: 28px;
    margin-bottom: 20px;
}

/* Contact Section */
.contact-form .form-control {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: none;
}

/* Buttons */
.btn {
    padding: 12px 28px;
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 8px;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-light {
    background: white;
    color: var(--text-color);
}

.btn-light:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
}

/* Modal */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    border-bottom: none;
    padding: 25px 25px 0;
}

.modal-body {
    padding: 25px;
}

/* Footer */
footer {
    padding: 30px 0;
    background: var(--light-bg);
}

/* Responsive */
@media (max-width: 991.98px) {
    .navbar-custom .navbar-nav {
        padding: 15px 0;
    }
    
    .title-heading h1 {
        font-size: 2.5rem;
    }
    
    .home {
        padding: 140px 0 80px;
    }
}

@media (max-width: 767.98px) {
    .title-heading h1 {
        font-size: 2rem;
    }
    
    .features-box {
        padding: 30px 20px;
    }
}

/* Pricing Section */
.pricing-box {
    padding: 40px;
    background: white;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.pricing-box.popular {
    border-color: var(--primary-color);
}

.pricing-box.popular::before {
    content: "Popular";
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 12px;
    font-weight: 600;
}

.pricing-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-name {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.pricing-price small {
    font-size: 1rem;
    color: var(--text-color);
    opacity: 0.7;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.pricing-features li {
    padding: 10px 0;
    color: var(--text-color);
    opacity: 0.8;
    display: flex;
    align-items: center;
}

.pricing-features li i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

.pricing-features li.disabled {
    opacity: 0.5;
}

.pricing-features li.disabled i {
    color: #ccc;
}

.pricing-btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

/* Enhanced Button Styles */
.btn {
    padding: 12px 28px;
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    width: 0;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(255,255,255,0.1);
    transition: width 0.3s ease;
}

.btn:hover::after {
    width: 100%;
}

/* Enhanced Footer Styles */
footer {
    padding: 50px 0 30px;
    background: var(--light-bg);
}

footer a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

footer .newsletter-form {
    position: relative;
}

footer .newsletter-form .form-control {
    padding-right: 120px;
    border-radius: 8px;
}

footer .newsletter-form .btn {
    position: absolute;
    right: 5px;
    top: 5px;
    padding: 8px 20px;
}

/* Section Spacing */
.section {
    padding: 120px 0;
    position: relative;
}

.section.bg-light {
    background-color: var(--light-bg);
}

.section + .section {
    margin-top: 40px;
}

/* Enhanced spacing for specific sections */
#features {
    padding-top: 160px;
}

#portfolio {
    padding-top: 160px;
}

#pricing {
    padding-top: 160px;
}

#contact {
    padding-top: 160px;
}

@media (max-width: 991.98px) {
    .section {
        padding: 80px 0;
    }
    
    #features,
    #portfolio,
    #pricing,
    #contact {
        padding-top: 100px;
    }
}

/* Portfolio Styles */
.features-box img {
    transition: all 0.3s ease;
}

.features-box:hover img {
    transform: scale(1.05);
}

.badge {
    padding: 6px 12px;
    font-weight: 500;
    font-size: 0.85rem;
}

.badge.bg-primary {
    background-color: rgba(37, 99, 235, 0.1) !important;
    color: var(--primary-color);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.gap-2 {
    gap: 0.5rem !important;
}

.features-box .btn-outline-primary {
    border-width: 2px;
}

/* Logo样式优化 */
.navbar-custom .navbar-brand {
    padding: 0;
    margin-right: 16px;
}

.logo-container {
    width: 190px;
    height: 120px;
    overflow: hidden;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar-brand img {
    width: 100%;
    height: auto;
    transform: scale(1.4); /* 放大logo */
    transform-origin: left center; /* 从左侧开始变换 */
    transition: all 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.45); /* 悬停时稍微放大 */
}

/* 确保在小屏幕上logo也能正确显示 */
@media (max-width: 768px) {
    .logo-container {
        width: 160px;
        height: 45px;
    }
}

/* Footer Logo Styles */
footer .footer-logo {
    width: 180px;
    height: auto;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

footer .footer-logo:hover {
    transform: scale(1.05);
}

/* 艺术字Logo样式 */
.text-logo {
    font-size: 2.5rem;
    font-weight: 800;
    text-transform: uppercase;
    background: linear-gradient(45deg, #2563eb, #1e40af);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    letter-spacing: 1px;
    transition: all 0.3s ease;
    font-family: 'Nunito', sans-serif;
}

.text-logo:hover {
    transform: scale(1.05);
    background: linear-gradient(45deg, #1e40af, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
}

@media (max-width: 768px) {
    .text-logo {
        font-size: 1.8rem;
    }
}