:root {
    --primary: #7a61e0;
    --primary-light: #9c88ff;
    --primary-soft: rgba(122, 97, 224, 0.1);
    --secondary: #2d3436;
    --bg-body: #f8f9fa;
    --bg-card: #ffffff;
    --text-main: #1a1a1a;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --glass: rgba(255, 255, 255, 0.7);
    --transition: all 0.2s ease-in-out;
}

.dark-mode {
    --primary: #9c88ff;
    --primary-light: #b2a4ff;
    --primary-soft: rgba(156, 136, 255, 0.15);
    --secondary: #f3f4f6;
    --bg-body: #111111;
    --bg-card: #1f1f1f;
    --text-main: #f9fafb;
    --text-light: #9ca3af;
    --border: #374151;
    --glass: rgba(17, 17, 17, 0.7);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', sans-serif; background: var(--bg-body); color: var(--text-main); transition: var(--transition); overflow-x: hidden; }

/* NAVBAR PREMIUM */
header {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 2000;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    z-index: 2100;
}
.logo span { color: var(--primary); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    position: relative;
    transition: var(--transition);
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links li a:hover { color: var(--primary); }
.nav-links li a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 20px; z-index: 2100; }

.icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary-soft);
    border: none;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
}

.icon-btn:hover { background: var(--primary); color: white; transform: translateY(-3px); }

.login-btn {
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
}

.login-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(108, 92, 231, 0.3); }

/* MOBILE MENU & HAMBURGER */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 2100;
    padding: 10px;
}

.hamburger span {
    width: 28px;
    height: 2.5px;
    background: var(--text-main);
    border-radius: 10px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

@media (max-width: 1024px) {
    .hamburger { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border);
        z-index: 1000;
        text-align: center;
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }
    .nav-links.active {
        display: flex;
        animation: fadeInDown 0.3s ease-out;
    }
    @keyframes fadeInDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .nav-links li a { font-size: 1.1rem; width: 100%; display: block; }
    .nav-actions { margin-right: 15px; }
}

/* FOOTER PREMIUM */
footer {
    background: var(--bg-card);
    padding: 100px 30px 40px;
    margin-top: 100px;
    border-top: 1px solid var(--border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
}

.f-brand h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    margin-bottom: 20px;
}
.f-brand h2 span { color: var(--primary); }
.f-brand p { color: var(--text-light); line-height: 1.8; margin-bottom: 25px; font-size: 0.95rem; }
.f-whatsapp-note { color: #2ecc71; font-weight: 700; font-size: 0.85rem; margin-bottom: 20px; display: block; text-decoration: none; }
.f-whatsapp-note:hover { text-decoration: underline; }

.f-socials { display: flex; gap: 15px; }
.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}
.social-link:hover { background: var(--primary); color: white; transform: rotate(10deg); }

.f-links h4 { font-size: 1.1rem; margin-bottom: 25px; position: relative; padding-bottom: 10px; }
.f-links h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 3px; background: var(--primary); border-radius: 10px; }

.f-links ul { list-style: none; }
.f-links ul li { margin-bottom: 15px; }
.f-links ul li a { text-decoration: none; color: var(--text-light); transition: var(--transition); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.f-links ul li a:hover { color: var(--primary); transform: translateX(5px); }
.f-links ul li a i { font-size: 0.7rem; }

.f-newsletter h4 { font-size: 1.1rem; margin-bottom: 25px; }
.newsletter-box { position: relative; margin-top: 20px; }
.newsletter-input {
    width: 100%;
    padding: 14px 20px;
    border-radius: 15px;
    border: 1.5px solid var(--border);
    background: var(--bg-body);
    color: var(--text-main);
    outline: none;
}
.newsletter-btn {
    position: absolute;
    right: 5px;
    top: 5px;
    bottom: 5px;
    padding: 0 15px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}
.newsletter-btn:hover { opacity: 0.9; }

/* HERO SECTION - REFINED */
.hero {
    height: 80vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    background-size: cover;
    background-position: center;
    margin-bottom: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5); /* Overlay to make text readable */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* CARDS - REFINED */
.article-card-premium {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card-premium:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-category-tag {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 12px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 80px auto 0;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .footer-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .f-socials { justify-content: center; }
    .f-links h4::after { left: 50%; transform: translateX(-50%); }
    .footer-bottom { flex-direction: column; gap: 20px; }
}

/* PREMIUM ANIMATIONS */
@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in { animation: fadeInSlide 0.6s ease-out forwards; }