@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;600;700&family=Poppins:wght@300;400;500;600&display=swap');

:root {
    /* Royal Institutional Palette */
    --navy-primary: #0A1128;   /* Deep Midnight Navy */
    --navy-secondary: #001F3F; /* Rich Royal Navy */
    --gold-accent: #C5A059;    /* Refined Antique Gold */
    --white-pure: #FFFFFF;
    --white-off: #F8F9FA;      /* Subtle grey for contrast sections */
    --border-light: rgba(255, 255, 255, 0.1);
    
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--white-pure);

    background-image: 
        linear-gradient(
            rgba(10, 17, 40, 0.05),   /* very light navy tint */
            rgba(197, 160, 89, 0.05)  /* very light gold tint */
        ),
        url('nata1.png');

    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 40%;

    color: var(--navy-primary);
}/* --- THE HEADER: Fixed & Bounded --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 90px;
    background-color: var(--navy-primary); /* Solid color prevents overlap visual noise */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    z-index: 10000;
    border-bottom: 2px solid var(--gold-accent);
}

.nav-brand {
    display: flex;
    flex-direction: column;
}

.brand-en {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.brand-te {
    font-size: 0.8rem;
    color: var(--white-pure);
    letter-spacing: 3px;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--white-pure);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--gold-accent);
}

/* --- THE HERO: Bounded Container --- */
.hero {
    height: 85vh;
    /* The 'center/cover' part at the end handles the "crop to fit" logic */
    background: linear-gradient(rgba(10, 17, 40, 0.85), rgba(0, 31, 63, 0.9)), 
                url('') no-repeat center center / cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 90px; 
    color: var(--white-pure);
    padding: 0 10%;
    background-size: contain;
    box-shadow: inset 0 0 100px rgba(197, 160, 89, 0.2);
}
.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 4.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.tagline {
    font-size: 1.1rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--gold-accent);
    margin-bottom: 3rem;
    font-weight: 300;
}

/* --- CONTENT SECTIONS --- */
.section-padding {
    padding: 120px 10%;
    background: linear-gradient(
        rgba(248, 249, 250, 0.95),
        rgba(248, 249, 250, 0.95)
    );
}
.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--navy-primary);
}

.section-subtitle {
    display: block;
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold-accent);
    margin-bottom: 4rem;
}

/* --- THE GRID: Clean & Professional --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

/* Academic Card Style */
.card, .premium-card {
    background: var(--white-off);
    padding: 3.5rem 2.5rem;
    border-top: 4px solid var(--navy-primary); /* Thick top border signifies authority */
    transition: var(--transition);
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.card:hover {
    transform: translateY(-10px);
    border-top-color: var(--gold-accent);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--navy-primary);
}

.card p {
    font-size: 0.95rem;
    color: #444;
}

/* --- PRICING SECTION --- */
.pricing-section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    margin: 60px 0 30px;
    color: var(--navy-primary);
    text-align: center;
}

.price {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    color: var(--navy-primary);
    margin: 1.5rem 0;
}

.price span {
    font-family: 'Poppins', sans-serif;
    font-size: 0.8rem;
    color: var(--gold-accent);
    letter-spacing: 2px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 16px 45px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: var(--navy-primary);
    color: var(--white-pure);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background: var(--gold-accent);
    color: var(--navy-primary);
}

.btn-gold {
    background: var(--gold-accent);
    color: var(--navy-primary);
}

/* --- FOOTER --- */
footer {
    background: var(--navy-primary);
    color: var(--white-pure);
    padding: 80px 10% 40px;
    text-align: center;
}

.footer-brand h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--gold-accent);
    margin-bottom: 1.5rem;
}

.lang-btn {
    background: none;
    border: 1px solid var(--border-light);
    color: var(--white-pure);
    padding: 8px 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    cursor: pointer;
    margin: 0 10px;
}

.lang-btn.active {
    background: var(--gold-accent);
    color: var(--navy-primary);
    border-color: var(--gold-accent);
}

@media (max-width: 768px) {

    .hero h1 { 
        font-size: 2.8rem; 
    }

    .navbar { 
        height: 70px; 
        padding: 0 5%; 
    }

    /* SHOW MENU BUTTON */
    .mobile-menu-btn {
        display: block;
        font-size: 26px;
        color: white;
        cursor: pointer;
    }

    /* HIDE MENU INITIALLY */
    .nav-links {
        display: none;
        flex-direction: column;
        background: var(--navy-primary);
        position: absolute;
        top: 70px;
        right: 0;
        width: 220px;
        padding: 20px;
    }

    /* SHOW WHEN ACTIVE */
    .nav-links.active {
        display: flex;
    }
}
.offer {
    font-size: 0.9rem;
    color: #666;
    margin-top: 7px;
    margin-bottom: 3px;
}

.offer strong {
    color: var(--gold-accent);
    font-weight: 600;
}