/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

/* ===== NAVIGATION BAR ===== */
.navbar {
    background-color: #1a1a2e;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background-color: #0f3460;
    padding: 10px 30px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.logo {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-item {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item:hover {
    color: #e94560;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #e94560;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-item:hover::after {
    width: 80%;
}

.menu-toggle {
    display: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?ixlib=rb-1.2.1&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 20px;
    margin-top: 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    max-width: 700px;
    line-height: 1.8;
    animation: fadeInUp 1.2s ease;
}

.btn {
    padding: 15px 40px;
    background-color: #e94560;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    border: 2px solid #e94560;
    animation: fadeInUp 1.4s ease;
}

.btn:hover {
    background-color: transparent;
    color: #e94560;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(233, 69, 96, 0.3);
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 100px 20px;
    text-align: center;
    background-color: #fff;
}

.features h2 {
    font-size: 2.8rem;
    margin-bottom: 60px;
    color: #1a1a2e;
    position: relative;
    display: inline-block;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #e94560;
    border-radius: 2px;
}

.feature-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: white;
    padding: 40px 30px;
    width: 350px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border-top: 5px solid #e94560;
}

.card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card i {
    font-size: 50px;
    color: #e94560;
    margin-bottom: 20px;
}

.card h3 {
    color: #1a1a2e;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.card p {
    color: #666;
    font-size: 1.1rem;
}

/* ===== FOOTER ===== */
footer {
    background-color: #1a1a2e;
    color: white;
    text-align: center;
    padding: 40px 20px;
    margin-top: auto;
}

footer p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: #e94560;
    text-decoration: none;
    margin: 0 10px;
    font-weight: 500;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-links i {
    margin-right: 5px;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .card {
        width: 300px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: #0f3460;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        gap: 30px;
        transition: left 0.5s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .features h2 {
        font-size: 2.3rem;
    }
    
    .card {
        width: 100%;
        max-width: 400px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 16px;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .features {
        padding: 70px 15px;
    }
    
    .features h2 {
        font-size: 2rem;
    }
    }