/* Accessibility Base */
*:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

*:focus {
    outline: none;
    /* Removed default outline, focus relies on focus-visible */
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--gold);
    color: var(--navy);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    z-index: 9999;
}

.skip-link:focus {
    top: 16px;
}

/* NAV */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 68px;
    z-index: 100;
    background: rgba(13, 27, 42, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.15);
    padding: 0 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.main-nav.scrolled {
    background: rgba(13, 27, 42, 0.99);
    /* Slightly darker/more opaque */
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold-light);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a.nav-item {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.65);
    position: relative;
    transition: var(--transition);
}

.nav-links a.nav-item:hover {
    color: var(--gold-light);
}

.nav-links a.nav-item::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.nav-links a.nav-item:hover::after,
.nav-links a.nav-item.active::after {
    transform: scaleX(1);
}

.nav-links a.nav-item.active {
    color: var(--gold-light);
}

/* Buttons */
.btn-contact {
    border: 1px solid var(--gold);
    border-radius: var(--radius);
    padding: 8px 20px;
    color: var(--gold);
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
}

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

.btn-lang {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.72rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    color: white;
    width: 28px;
    height: 20px;
    cursor: pointer;
    padding: 0;
    position: relative;
}

.nav-hamburger-icon {
    display: block;
    width: 28px;
    height: 2px;
    background: white;
    position: relative;
}

.nav-hamburger-icon::before,
.nav-hamburger-icon::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 2px;
    background: white;
    left: 0;
}

.nav-hamburger-icon::before {
    top: -8px;
}

.nav-hamburger-icon::after {
    bottom: -8px;
}

.nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--navy);
    padding: 80px 40px 40px;
    z-index: 200;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.nav-drawer.open {
    transform: translateX(0);
}

.nav-drawer a {
    font-size: 1.1rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-drawer-close {
    position: absolute;
    top: 24px;
    right: 40px;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

body.no-scroll {
    overflow: hidden;
}

/* Back-to-top */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 50;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--gold);
    color: var(--navy);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--gold-light);
    transform: scale(1.05);
}

/* General Buttons */
.btn-primary {
    background: var(--gold);
    color: var(--navy);
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(201, 168, 76, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    padding: 14px 28px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: inline-block;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
}

/* ============================================
   SCHOLAR BAR — Academic Profile Cards
   ============================================ */
.scholar-grid {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--gold) transparent;
}

.scholar-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--white);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text);
    min-width: 130px;
    scroll-snap-align: start;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.scholar-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--gold);
}

.scholar-card--featured {
    border-color: var(--gold);
    border-width: 2px;
    background: linear-gradient(135deg, var(--white), var(--ivory));
}

.scholar-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--navy);
    color: var(--gold);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.02em;
}

.scholar-card--featured .scholar-card__icon {
    background: var(--gold);
    color: var(--navy);
}

.scholar-card__name {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--navy);
    text-align: center;
    line-height: 1.3;
}

.scholar-card__cta {
    font-size: 0.7rem;
    color: var(--gold);
    font-weight: 500;
    text-align: center;
}

/* ============================================
   BLOG EDUCATIVO — Feature Section
   ============================================ */
.blog-feature {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.blog-feature__stat {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    color: var(--navy);
    margin-bottom: 16px;
    font-weight: 300;
    line-height: 1.2;
}

.blog-feature__stat em {
    font-style: italic;
    color: var(--gold);
}

.blog-feature__desc {
    font-size: 1rem;
    color: var(--text-mid);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.blog-feature__links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Light-section primary button variant */
.btn-blog-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--navy);
    color: var(--white);
    border: 2px solid var(--navy);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    text-decoration: none;
    transition: var(--transition);
}

.btn-blog-primary:hover {
    background: var(--navy-mid);
    border-color: var(--navy-mid);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-blog-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--navy);
    border: 2px solid rgba(13, 27, 42, 0.3);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    text-decoration: none;
    transition: var(--transition);
}

.btn-blog-outline:hover {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: none;
}