:root {
    --primary-color: #0056b3;
    --secondary-color: #004a99;
    --accent-color: #00a0e9;
    --text-color: #333;
    --light-text: #666;
    --white: #fff;
    --black: #000;
    --gray: #f5f5f5;
    --dark-gray: #333;
    --nav-height: 80px;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --footer-bg: #1a1a1a;
    --footer-text: #fff;
    --footer-link: #ccc;
    --footer-border: #333;
    --slider-height: 600px;
    --slider-overlay: rgba(0, 0, 0, 0.4);
    --gradient-hero: linear-gradient(120deg, #00a0e9 0%, #0056b3 100%);
    --gradient-section: linear-gradient(120deg, #f5f5f5 0%, #e0f7fa 100%);
    --accent-pink: #ff5eae;
    --accent-green: #00c48c;
    --accent-yellow: #ffe066;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    box-shadow: var(--nav-shadow);
}

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

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

/* Hero Section and Slider */
.hero {
    position: relative;
    height: var(--slider-height);
    margin-top: var(--nav-height);
    overflow: hidden;
    background: var(--gradient-hero);
    animation: gradientBG 8s ease-in-out infinite;
    background-size: 200% 200%;
}

.slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--slider-overlay);
}

.slide-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

.slider-btn i {
    font-size: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --slider-height: 400px;
    }

    .slide-content h2 {
        font-size: 32px;
    }

    .slide-content p {
        font-size: 18px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
    }

    .slider-btn i {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    :root {
        --slider-height: 300px;
    }

    .slide-content h2 {
        font-size: 24px;
    }

    .slide-content p {
        font-size: 16px;
    }
}

/* Intro Section */
.intro {
    background: var(--gradient-section);
    padding: 60px 0 40px 0;
    text-align: center;
}
.intro h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}
.intro p {
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: linear-gradient(120deg, #e0f7fa 0%, #fffbe6 100%);
    padding: 60px 0 40px 0;
    text-align: center;
}
.services h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    font-weight: 700;
    letter-spacing: 1px;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}
.service-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.07);
    padding: 32px 24px;
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: left;
    position: relative;
    overflow: hidden;
    border-left: 6px solid var(--accent-pink);
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.service-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 8px 32px rgba(0,86,179,0.12);
    border-left: 6px solid var(--accent-green);
}
.service-card h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 600;
}
.service-card p {
    color: var(--light-text);
    font-size: 1rem;
}

/* Footer Modernization */
.footer {
    background: linear-gradient(120deg, #0056b3 0%, #00a0e9 100%);
    color: #fff;
    padding: 60px 0 20px 0;
    margin-top: 60px;
    animation: gradientBG 12s ease-in-out infinite;
    background-size: 200% 200%;
}
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 30px auto;
}
.footer-section {
    flex: 1 1 220px;
    min-width: 220px;
}
.footer-section h3 {
    color: var(--accent-yellow);
    font-size: 1.2rem;
    margin-bottom: 18px;
    font-weight: 600;
}
.footer-section p, .footer-section ul, .footer-section li {
    color: var(--footer-link);
    font-size: 1rem;
    margin-bottom: 8px;
    list-style: none;
}
.footer-section ul {
    padding: 0;
}
.footer-section a {
    color: var(--footer-link);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-section a:hover {
    color: var(--accent-color);
}
.social-links {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}
.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0,160,233,0.08);
    color: var(--accent-color);
    font-size: 1.2rem;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}
.social-link:hover {
    background: var(--accent-pink);
    color: #fff;
    transform: scale(1.15) rotate(-8deg);
}
.footer-bottom {
    border-top: 1px solid var(--footer-border);
    text-align: center;
    padding-top: 18px;
    color: var(--footer-link);
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .footer-content {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }
    .footer-section {
        min-width: 0;
    }
}
@media (max-width: 600px) {
    .intro, .services {
        padding: 36px 0 24px 0;
    }
    .service-card {
        padding: 20px 12px;
    }
    .footer {
        padding: 36px 0 12px 0;
    }
}

/* Mobile Navigation Styles */
@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        cursor: pointer;
        z-index: 1100;
        margin-left: 10px;
    }
    .nav-toggle span {
        display: block;
        width: 28px;
        height: 4px;
        margin: 4px 0;
        background: var(--primary-color);
        border-radius: 2px;
        transition: 0.3s;
    }
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100vw;
        height: calc(100vh - var(--nav-height));
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        gap: 0;
        box-shadow: 0 8px 32px rgba(0,0,0,0.10);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s, opacity 0.3s;
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-menu li {
        margin: 0 0 24px 0;
        width: 100%;
        text-align: center;
    }
    .nav-menu a {
        font-size: 1.2rem;
        padding: 12px 0;
        width: 100%;
        display: block;
        color: var(--primary-color);
        border-bottom: 1px solid var(--gray);
        transition: background 0.2s, color 0.2s;
    }
    .nav-menu a:hover, .nav-menu a.active {
        background: var(--primary-color);
        color: var(--white);
    }
    .nav-container {
        flex-wrap: wrap;
    }
}
@media (min-width: 901px) {
    .nav-toggle {
        display: none !important;
    }
    .nav-menu {
        position: static;
        flex-direction: row;
        height: auto;
        background: none;
        box-shadow: none;
        transform: none !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        padding-top: 0;
    }
    .nav-menu li {
        margin: 0 0 0 30px;
        width: auto;
        text-align: left;
    }
    .nav-menu a {
        font-size: 16px;
        padding: 0;
        border-bottom: none;
        background: none;
        color: var(--text-color);
    }
}

/* Keyframes */
@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Animation Utility Classes */
.animated {
    opacity: 1;
    animation-fill-mode: both;
}
.js-animate.animated, .js-animated.animated {
    opacity: 0;
}
.fade-in {
    animation: fadeIn 1.2s ease forwards;
}
.fade-in-up {
    animation: fadeInUp 1.2s cubic-bezier(.23,1.01,.32,1) forwards;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

/* Colorful Section Backgrounds */
.intro {
    background: var(--gradient-section);
}
.services {
    background: linear-gradient(120deg, #e0f7fa 0%, #fffbe6 100%);
}

/* Card and Button Vibrancy */
.product-item {
    border-top: 4px solid var(--accent-yellow);
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.product-item:hover {
    border-top: 4px solid var(--accent-pink);
    box-shadow: 0 12px 32px rgba(255,94,174,0.12);
}

/* Button Styles (if any) */
.button, button, .slider-btn {
    background: var(--accent-pink);
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,160,233,0.10);
    transition: background 0.2s, transform 0.2s;
}
.button:hover, button:hover, .slider-btn:hover {
    background: var(--accent-green);
    color: #fff;
    transform: translateY(-2px) scale(1.04);
}

/* Animated Footer */
.footer {
    background: linear-gradient(120deg, #0056b3 0%, #00a0e9 100%);
    color: #fff;
    animation: gradientBG 12s ease-in-out infinite;
    background-size: 200% 200%;
}
.footer-section h3 {
    color: var(--accent-yellow);
}

/* Animate social icons */
.social-link {
    transition: background 0.2s, color 0.2s, transform 0.2s;
}
.social-link:hover {
    background: var(--accent-pink);
    color: #fff;
    transform: scale(1.15) rotate(-8deg);
}