:root {
    --primary: #0077b6;
    --secondary: #0096c7;
    --dark: #03045e;
    --light: #f8f9fa;
    --text: #212529;
    --accent: #e63946;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; 
}

body { 
    color: var(--text); 
    line-height: 1.6; 
    background-color: #fff; 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh; 
}

header { 
    background-color: var(--dark); 
    color: white; 
    padding: 1.25rem 2rem; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo h1 { 
    font-size: 1.6rem; 
    letter-spacing: 1px; 
    text-transform: uppercase;
}

.logo span { color: var(--secondary); }

nav { display: flex; gap: 1.5rem; }

nav a { 
    color: #e2e8f0; 
    text-decoration: none; 
    font-weight: 500; 
    font-size: 0.95rem;
    transition: var(--transition); 
    position: relative;
    padding: 0.25rem 0;
}

nav a:hover, nav a.active { color: var(--secondary); }

.container { 
    width: 100%;
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 4rem 2rem; 
    flex: 1; 
}

.page-title { 
    text-align: center; 
    margin-bottom: 3.5rem; 
}

.page-title h2 {
    color: var(--dark);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-title p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 2.5rem; 
    margin-bottom: 3rem; 
}

.card { 
    background: var(--light); 
    padding: 2.5rem; 
    border-radius: 8px; 
    border-top: 4px solid var(--primary); 
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.card h3 { 
    color: var(--dark); 
    margin-bottom: 1.25rem; 
    border-bottom: 2px solid #e2e8f0; 
    padding-bottom: 0.5rem; 
    font-size: 1.4rem;
}

ul { list-style-type: none; }

li { 
    margin-bottom: 0.75rem; 
    position: relative; 
    padding-left: 1.5rem; 
}

li::before { 
    content: "•"; 
    color: var(--primary); 
    font-weight: bold; 
    position: absolute; 
    left: 0; 
    font-size: 1.2rem;
}

.btn { 
    display: inline-block; 
    background-color: var(--secondary); 
    color: white; 
    padding: 0.8rem 1.8rem; 
    text-decoration: none; 
    border-radius: 4px; 
    font-weight: bold; 
    transition: var(--transition); 
    border: none;
    cursor: pointer;
}

.btn:hover { background-color: var(--primary); transform: translateY(-1px); }

.profile-view {
    max-width: 850px;
    margin: 0 auto;
    background: var(--light);
    padding: 3rem;
    border-radius: 8px;
    border-top: 5px solid var(--primary);
    box-shadow: var(--shadow);
}

.profile-header {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #e2e8f0;
}

.profile-avatar {
    background-color: var(--dark);
    color: white;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.profile-meta h2 { font-size: 2.2rem; color: var(--dark); }
.profile-meta .role { color: var(--secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }

.section-heading { 
    color: var(--dark); 
    margin: 2rem 0 1rem; 
    border-left: 4px solid var(--primary); 
    padding-left: 0.75rem; 
    font-size: 1.3rem;
}

p { margin-bottom: 1.25rem; color: #475569; }

footer { 
    background-color: var(--dark); 
    color: white; 
    text-align: center; 
    padding: 3rem 2rem; 
    font-size: 0.9rem;
    margin-top: auto;
}

.footer-socials { margin-bottom: 1.25rem; }
.footer-socials a { color: #94a3b8; text-decoration: none; margin: 0 1rem; transition: var(--transition); font-weight: 500; }
.footer-socials a:hover { color: white; text-decoration: underline; }

@media (max-width: 768px) { 
    header { flex-direction: column; gap: 1.25rem; text-align: center; } 
    nav { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .profile-header { flex-direction: column; text-align: center; }
}

/* ---------- social media section ---------- */
.social-section { margin-top: 4rem; }
.social-layout { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; align-items: start; }
.social-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; }
.social-group { background: var(--light); border-top: 4px solid var(--primary); border-radius: 8px; box-shadow: var(--shadow); padding: 2rem; text-align: center; }
.social-group img { height: 120px; width: auto; max-width: 100%; margin-bottom: 1rem; }
.social-group h3 { color: var(--dark); font-size: 1.3rem; margin-bottom: 1.25rem; }
.social-icons { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.social-btn { display: inline-flex; align-items: center; gap: .6rem; padding: .65rem 1.2rem; color: #fff; text-decoration: none; font-weight: 600; border-radius: 999px; transition: var(--transition); }
.social-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.social-btn.fb { background: #1877f2; }
.social-btn.ig { background: linear-gradient(45deg, #f09433, #dc2743 50%, #bc1888); }
.social-btn:hover { filter: brightness(1.12); transform: translateY(-2px); }
.social-qr { background: #fff; padding: .75rem; border-radius: 8px; box-shadow: var(--shadow); text-align: center; }
.social-qr img { width: 100%; height: auto; display: block; }
.social-qr figcaption { color: #475569; font-size: .95rem; padding: .6rem .25rem .25rem; }
a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 3px; }
@media (max-width: 900px) {
    .social-layout { grid-template-columns: 1fr; }
    .social-qr { max-width: 300px; margin: 0 auto; }
}