:root {
    --primary-color: #10B981; 
    --secondary-color: #1F2937;
    --text-color-light: #F9FAFB;
    --text-color-dark: #cbd5e0;
    --bg-light: #F3F4F6;
    --font-family: 'Poppins', sans-serif;
    --glass-bg-color: rgba(255, 255, 255, 0.1); 
    --glass-border-color: rgba(255, 255, 255, 0.2);
    --glass-blur: 10px;
    --glass-shadow: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--secondary-color);
    color: var(--text-color-light);
    line-height: 1.6;
    overflow-x: hidden; 
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, #2d3748 0%, transparent 50%),
                radial-gradient(circle at bottom right, #1a202c 0%, transparent 50%);
    z-index: -1;
    opacity: 0.8;
}


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

header {
    background-color: transparent;
    position: fixed; 
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000; 
    padding: 20px 0;
    display: flex; 
    justify-content: center; 
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px; 
    border-radius: 50px; 
    background: var(--glass-bg-color);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur)); 
    border: 1px solid var(--glass-border-color);
    box-shadow: 0 8px 32px var(--glass-shadow);
    max-width: fit-content; 
    margin: 0 auto; 
    gap: 20px;
}

.logo {
    margin-right: 20px; 
}

.logo h2 {
    font-size: 1.5rem;
    color: var(--text-color-light);
}

.logo span img {
    height: 40px;
    width: auto;
    vertical-align: middle;
    filter: invert(1);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px; 
    margin: 0; 
    padding: 0; 
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-color-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s, background-color 0.3s;
    padding: 8px 15px; 
    border-radius: 25px; 
    display: block; 
}

.nav-links a:hover {
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-links a.active {
    color: var(--secondary-color);
    background-color: var(--primary-color); 
    font-weight: 600;
}
.download-btn {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4); 
}

.download-btn i {
    margin-left: 0;
}

.download-btn:hover {
    background-color: #0891B2; 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6);
}

#home {
    padding-top: 180px; 
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden; 
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center; 
    gap: 80px; 
    flex-wrap: wrap; 
    text-align: left; 
}

.hero-text {
    flex: 1;
    max-width: 600px;
    z-index: 1; 
}

.hero-text h1 {
    font-size: 3.8rem; 
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
}

.hero-text p {
    font-size: 1.15rem;
    margin-bottom: 25px;
    color: var(--text-color-dark);
    max-width: 550px; 
}

.cta-buttons {
    margin-top: 30px;
    display: flex;
    gap: 20px;
}

.btn-primary,
.btn-secondary {
    padding: 14px 28px; 
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: background-color 0.3s, border-color 0.3s, transform 0.2s, box-shadow 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover {
    background-color: #0891B2; 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

.profile-image-container {
    flex-shrink: 0;
    width: 350px; 
    height: 400px;
    position: relative;
    border-radius: 20px; 
    overflow: hidden;
    border: 3px solid var(--primary-color);
    box-shadow: 0 10px 40px rgba(6, 182, 212, 0.5); 
    transform: rotate(5deg); 
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.profile-image-container:hover {
    transform: rotate(0deg) scale(1.02); 
    box-shadow: 0 15px 50px rgba(6, 182, 212, 0.7);
}


.profile-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 1024px) {
    .hero-content {
        gap: 60px;
    }
    .profile-image-container {
        width: 300px;
        height: 350px;
    }
    .hero-text h1 {
        font-size: 3rem;
    }
}

@media (max-width: 900px) {
    header {
        padding: 15px 0;
    }
    nav {
        flex-direction: column; 
        padding: 15px 20px;
        gap: 15px;
    }
    .logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .nav-links {
        gap: 15px;
        flex-wrap: wrap; 
        justify-content: center;
    }
    .download-btn {
        width: 100%;
        justify-content: center;
    }

    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
        gap: 40px;
    }

    .hero-text {
        max-width: 100%;
    }

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

    .cta-buttons {
        justify-content: center;
    }

    .profile-image-container {
        width: 280px;
        height: 320px;
        transform: rotate(0deg); 
    }
    .profile-image-container:hover {
        transform: scale(1.02);
    }
}

@media (max-width: 600px) {
    nav {
        width: 95%; 
        padding: 10px 15px;
    }
    .nav-links {
        font-size: 0.9rem;
        gap: 10px;
    }
    .nav-links a {
        padding: 6px 12px;
    }
    .download-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    .hero-text h1 {
        font-size: 2rem;
    }
    .hero-text p {
        font-size: 1rem;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn-primary, .btn-secondary {
        width: 80%;
        max-width: 250px;
        padding: 12px 20px;
    }
    .profile-image-container {
        width: 250px;
        height: 280px;
    }
}