/* --- CSS/styles.css --- */
:root {
    --primary: #007bff;
    --primary-dark: #0056b3;
    --accent: #2ecc71;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    --card-bg: #ffffff;
    --card-bg-dark: #2d2d2d;
    --text-dark: #333;
    --text-light: #f4f4f4;
    --transition: all 0.3s ease;
}

/* 1. Custom Scrollbar */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: #e9ecef; }
::-webkit-scrollbar-thumb { 
    background: var(--primary); 
    border-radius: 10px;
    border: 3px solid #e9ecef;
}

/* 2. Base Styles */
body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    transition: var(--transition);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 3. Header & Navigation (Div contains Nav) */
.header-main-container {
    background: #ffffff;
    padding: 1rem 5%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 15px;
}

.brand-name {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 800;
    margin: 0;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 5px;
    transition: var(--transition);
}

.nav-links a.active, .nav-links a:hover {
    background: var(--primary);
    color: #fff !important;
}

/* 4. Professional Theme Toggle */
#theme-toggle {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 18px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#theme-toggle:hover {
    transform: scale(1.05);
}

/* 5. Hero Cards & Forms */
.hero-card {
    background: var(--card-bg);
    padding: 3.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin: 40px auto;
    max-width: 800px;
    text-align: center;
}

form { display: flex; flex-direction: column; gap: 15px; text-align: left; }
input, textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

/* 6. Professional Footer */
footer {
    background-color: #222;
    color: #fff;
    padding: 3rem 5% 1rem 5%;
    margin-top: 50px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-column h4 { color: var(--primary); margin-bottom: 1rem; }
.footer-column ul { list-style: none; padding: 0; }
.footer-column ul li a { color: #bbb; text-decoration: none; transition: 0.3s; }
.footer-column ul li a:hover { color: var(--primary); }
.footer-bottom { text-align: center; margin-top: 30px; border-top: 1px solid #444; padding-top: 15px; color: #888; }

/* 7. Animations */
.typing-text { color: var(--primary); border-right: 3px solid var(--primary); animation: blink 0.7s infinite; }
@keyframes blink { 50% { border-color: transparent; } }

.reveal { opacity: 0; transform: translateY(30px); transition: 1s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ==========================================
   8. DARK MODE OVERRIDES (The "Winner")
   ========================================== */
body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

body.dark-mode .header-main-container { background: #000; }
body.dark-mode .hero-card { background: var(--card-bg-dark); }
body.dark-mode #theme-toggle { background: #f1c40f; color: #000; }
body.dark-mode input, body.dark-mode textarea { background: #444; color: #fff; border-color: #555; }

.content-wrapper {
    display: flex;
    align-items: center;
    justify-content:space-between;
    gap: 40px;
    padding: 20px;
}

/* Desktop View Adjustment */
@media (min-width: 992px) {
    .nav-container { flex-direction: row; justify-content: space-between; }
}