/* ==========================================================================
   LAAD UNSAAC - MULTI-PAGE MODERN MINIMALIST DESIGN SYSTEM
   Color Palette extraída del portal oficial de la UNSAAC
   ========================================================================== */

:root {
    /* UNSAAC Official Palette */
    --color-unsaac-guinda: #9B192D;      /* Institutional Red/Guinda Primary */
    --color-unsaac-granate: #7B1523;     /* Dark Granate / Hover Accent */
    --color-unsaac-red-light: #D31531;    /* Crimson Red Highlight */
    --color-unsaac-gold: #E8A134;       /* UNSAAC Secondary Gold */
    --color-unsaac-gold-dark: #DA9938;  /* Deep Gold */
    
    /* Neutrals & Dark Text */
    --color-text-main: #1A202C;         /* Dark Navy Text */
    --color-text-muted: #718096;        /* Muted Gray Text */
    --color-text-light: #A0AEC0;       /* Subtitle Gray */
    
    /* Light Backgrounds & Surfaces */
    --color-bg-page: #F8FAFC;           /* Clean Page Background */
    --color-bg-light: #EDF2F7;          /* Soft Neutral Background */
    --color-surface: #FFFFFF;           /* Card & Container White */
    --color-border: #E2E8F0;            /* Subtle Divider Line */
    --color-border-hover: #CBD5E1;      /* Card Hover Border */
    
    /* Glassmorphism & Shadows */
    --navbar-glass: rgba(255, 255, 255, 0.9);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    --shadow-guinda: 0 10px 20px -5px rgba(155, 25, 45, 0.25);
    
    /* Typography & Radius */
    --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Transition Speeds */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-page);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--color-unsaac-guinda);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-unsaac-granate);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
    position: relative;
}

.bg-light {
    background-color: var(--color-bg-light);
}

.text-center { text-align: center; }
.mt-1 { margin-top: 0.25rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    font-weight: 700;
    line-height: 1.25;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 3.5rem auto;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-unsaac-guinda);
    margin-bottom: 0.5rem;
    background: rgba(155, 25, 45, 0.08);
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
}

.section-subtitle.light {
    color: var(--color-unsaac-gold-dark);
    background: rgba(232, 161, 52, 0.18);
}

.section-title {
    font-size: 2.25rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-lead {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-unsaac-guinda), var(--color-unsaac-red-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-highlight {
    color: var(--color-unsaac-guinda);
    position: relative;
    display: inline-block;
}

.text-highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(232, 161, 52, 0.3);
    z-index: -1;
    border-radius: 4px;
}

/* Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.9rem 1.8rem;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background-color: var(--color-unsaac-guinda);
    color: var(--color-surface);
    box-shadow: var(--shadow-guinda);
}

.btn-primary:hover {
    background-color: var(--color-unsaac-granate);
    color: var(--color-surface);
    transform: translateY(-2px);
    box-shadow: 0 14px 24px -6px rgba(123, 21, 35, 0.35);
}

.btn-gold {
    background-color: var(--color-unsaac-gold);
    color: var(--color-text-main);
    font-weight: 700;
    box-shadow: 0 8px 16px -4px rgba(232, 161, 52, 0.3);
}

.btn-gold:hover {
    background-color: var(--color-unsaac-gold-dark);
    color: var(--color-text-main);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text-main);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-bg-page);
    border-color: var(--color-unsaac-guinda);
    color: var(--color-unsaac-guinda);
    transform: translateY(-2px);
}

.btn-outline-primary {
    background-color: transparent;
    border-color: var(--color-unsaac-guinda);
    color: var(--color-unsaac-guinda);
}

.btn-outline-primary:hover {
    background-color: var(--color-unsaac-guinda);
    color: var(--color-surface);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */

.navbar-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--navbar-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
}

.navbar-header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

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

.brand-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-unsaac-guinda);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.brand-sub {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-main);
    position: relative;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-unsaac-guinda);
}

.nav-link.active {
    background: rgba(155, 25, 45, 0.08);
    color: var(--color-unsaac-guinda);
}

.nav-link.nav-highlight {
    background: rgba(232, 161, 52, 0.15);
    color: var(--color-unsaac-gold-dark);
    font-weight: 700;
}

.nav-link.nav-highlight:hover, .nav-link.nav-highlight.active {
    background: var(--color-unsaac-gold);
    color: var(--color-text-main);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--color-text-main);
    cursor: pointer;
    padding: 0.5rem;
}

/* ==========================================================================
   PAGE BANNER (SUBPAGES)
   ========================================================================== */

.page-main {
    padding-top: 76px;
}

.page-banner {
    background: linear-gradient(135deg, rgba(155, 25, 45, 0.05) 0%, rgba(248, 250, 252, 1) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: 4.5rem 0 3.5rem 0;
    text-align: center;
}

.page-banner.gold-theme {
    background: linear-gradient(135deg, rgba(232, 161, 52, 0.1) 0%, rgba(248, 250, 252, 1) 100%);
}

.page-title {
    font-size: 2.75rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.page-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 760px;
    margin: 0 auto;
}

/* ==========================================================================
   HERO SECTION & QUICK NAV (HOME)
   ========================================================================== */

.hero-section {
    padding: 8rem 0 5rem 0;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 10%, rgba(232, 161, 52, 0.08) 0%, rgba(255, 255, 255, 0) 60%);
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(155, 25, 45, 0.08) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: -2;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    right: 15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(155, 25, 45, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    filter: blur(40px);
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-unsaac-guinda);
    box-shadow: 0 0 0 3px rgba(155, 25, 45, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    max-width: 900px;
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 760px;
    margin-bottom: 2.5rem;
}

/* Hero Quote Card */
.hero-quote-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-unsaac-guinda);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    max-width: 700px;
    margin-bottom: 2.5rem;
    position: relative;
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.quote-icon {
    color: rgba(155, 25, 45, 0.2);
    font-size: 2rem;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.quote-text {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text-main);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.quote-author {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-unsaac-guinda);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Stats Counter Row */
.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 1000px;
    margin-top: 1rem;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(155, 25, 45, 0.3);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-unsaac-guinda);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Quick Nav Grid (Home) */
.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.quick-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.quick-card.featured-gold {
    border-color: rgba(232, 161, 52, 0.6);
    background: linear-gradient(180deg, #FFFFFF 0%, #FFFDF5 100%);
}

.quick-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-unsaac-guinda);
}

.quick-card.featured-gold:hover {
    border-color: var(--color-unsaac-gold);
}

.quick-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(155, 25, 45, 0.08);
    color: var(--color-unsaac-guinda);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.quick-icon.gold {
    background: rgba(232, 161, 52, 0.15);
    color: var(--color-unsaac-gold-dark);
}

.quick-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.quick-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}

.quick-link-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-unsaac-guinda);
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.quick-link-text.gold {
    color: var(--color-unsaac-gold-dark);
}

/* ==========================================================================
   ABOUT PAGE CONTENT
   ========================================================================== */

.about-overview-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3.5rem;
    align-items: start;
}

.about-text-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
}

.about-text-content p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.about-highlights-box {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(155, 25, 45, 0.08);
    color: var(--color-unsaac-guinda);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.highlight-item h3 {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

.highlight-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.research-areas-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-main);
    transition: var(--transition);
}

.tag-badge i { color: var(--color-unsaac-guinda); }
.tag-badge:hover {
    background: var(--color-unsaac-guinda);
    color: var(--color-surface);
    border-color: var(--color-unsaac-guinda);
}
.tag-badge:hover i { color: var(--color-surface); }

/* ==========================================================================
   PROJECTS PAGE
   ========================================================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.project-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(155, 25, 45, 0.3);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.project-badge.funding {
    background: rgba(232, 161, 52, 0.15);
    color: var(--color-unsaac-gold-dark);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
}

.project-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.project-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    line-height: 1.35;
}

.project-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}

.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.grant-tag {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-unsaac-guinda);
}

.tech-tag {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: var(--color-bg-light);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
}

.cta-box-callout {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-unsaac-gold);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   PUBLICATIONS PAGE
   ========================================================================== */

.publications-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto 3rem auto;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 3.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--color-unsaac-guinda);
    box-shadow: 0 0 0 3px rgba(155, 25, 45, 0.15);
}

.filter-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}

.filter-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--color-unsaac-guinda);
    color: var(--color-unsaac-guinda);
}

.filter-btn.active {
    background: var(--color-unsaac-guinda);
    border-color: var(--color-unsaac-guinda);
    color: var(--color-surface);
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pub-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    gap: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.pub-card:hover {
    border-color: rgba(155, 25, 45, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.pub-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: rgba(155, 25, 45, 0.25);
    min-width: 40px;
}

.pub-content { flex: 1; }

.pub-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.pub-category-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-unsaac-guinda);
}

.pub-year {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.pub-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.35;
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
}

.pub-abstract {
    background: var(--color-bg-page);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    color: var(--color-text-main);
    margin-bottom: 1.25rem;
    display: none;
}

.pub-abstract.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.pub-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-toggle-abstract {
    background: none;
    border: none;
    color: var(--color-unsaac-guinda);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* ==========================================================================
   AWARDS PAGE
   ========================================================================== */

.awards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.award-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.award-card.featured {
    border-color: rgba(232, 161, 52, 0.6);
    box-shadow: 0 4px 20px rgba(232, 161, 52, 0.15);
}

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

.award-year-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-unsaac-guinda);
    color: var(--color-surface);
    font-weight: 800;
    font-size: 0.85rem;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    z-index: 2;
}

.award-img-wrapper {
    position: relative;
    height: 180px;
    width: 100%;
    overflow: hidden;
    cursor: pointer;
    background: #f1f5f9;
}

.award-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.award-card:hover .award-img-wrapper img {
    transform: scale(1.05);
}

.img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(123, 21, 35, 0.7);
    color: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0;
    transition: var(--transition);
}

.award-img-wrapper:hover .img-overlay { opacity: 1; }

.award-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.award-badge-gold {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(232, 161, 52, 0.18);
    color: var(--color-unsaac-gold-dark);
    font-weight: 800;
    font-size: 0.8rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    width: fit-content;
}

.award-badge-subtle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--color-bg-light);
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    width: fit-content;
}

.award-info h2 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
    line-height: 1.35;
}

.award-authors {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.award-event {
    font-size: 0.8rem;
    color: var(--color-unsaac-guinda);
    font-weight: 700;
    margin-top: auto;
}

/* ==========================================================================
   TEMPLATES PAGE
   ========================================================================== */

.templates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.template-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-unsaac-guinda);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.template-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.template-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(155, 25, 45, 0.08);
    color: var(--color-unsaac-guinda);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.template-card h2 {
    font-size: 1.35rem;
    margin-bottom: 0.8rem;
}

.template-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.template-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.template-links-inline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
}

.btn-video {
    background: none;
    border: none;
    color: #FF0000;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* ==========================================================================
   TEAM PAGE
   ========================================================================== */

.team-group-title {
    font-size: 1.3rem;
    color: var(--color-text-main);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.team-group-title i { color: var(--color-unsaac-guinda); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.team-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(155, 25, 45, 0.25);
}

.avatar-wrapper {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.25rem;
    border: 3px solid rgba(155, 25, 45, 0.15);
    background: var(--color-bg-light);
}

.avatar-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-name {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
    line-height: 1.25;
}

.member-role {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-unsaac-guinda);
    display: block;
    margin-bottom: 0.6rem;
}

.member-specialty {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.member-social {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: auto;
}

.member-email-text {
    font-weight: 500;
    font-size: 0.78rem;
    word-break: break-all;
    text-align: center;
}

.alumni-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.alumni-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.alumni-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.placeholder-avatar {
    background: var(--color-bg-light);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.alumni-card h4 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.alumni-dest {
    font-size: 0.8rem;
    color: var(--color-unsaac-guinda);
    font-weight: 600;
}

.students-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
}

.student-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.student-pills span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
    background: var(--color-bg-light);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.student-pills span i { color: var(--color-unsaac-guinda); }

/* ==========================================================================
   OPPORTUNITIES PAGE (NUEVA SECCIÓN)
   ========================================================================== */

.opp-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.opp-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.opp-card.featured {
    border-top: 4px solid var(--color-unsaac-guinda);
}

.opp-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(155, 25, 45, 0.3);
}

.opp-status {
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.opp-status.open {
    color: #16A34A;
}

.opp-status.closed {
    color: #DC2626;
}

.opp-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-unsaac-guinda);
    background: rgba(155, 25, 45, 0.08);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    width: fit-content;
}

.opp-tag.gold {
    color: var(--color-unsaac-gold-dark);
    background: rgba(232, 161, 52, 0.18);
}

.opp-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.opp-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.opp-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--color-text-main);
    font-weight: 600;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
    margin-top: auto;
}

.opp-advisor {
    font-size: 0.88rem;
    color: var(--color-text-main);
    background: var(--color-bg-light);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    margin-top: auto;
}

.opp-requirements {
    background: rgba(155, 25, 45, 0.04);
    border: 1px solid rgba(155, 25, 45, 0.15);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}

.opp-requirements h4 {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-unsaac-guinda);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.6rem;
}

.opp-requirements .opp-meta {
    padding-top: 0;
    border-top: none;
    margin-top: 0;
}

/* How to apply box */
.apply-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-unsaac-gold);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    margin-top: 2rem;
}

.apply-header h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.apply-header p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
}

.apply-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-item {
    text-align: center;
}

.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-unsaac-gold);
    color: var(--color-text-main);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem auto;
}

.step-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.step-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */

.contact-box-standalone {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: var(--shadow-sm);
}

.contact-info-standalone h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info-standalone p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.detail-item {
    display: flex;
    gap: 1.25rem;
}

.detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(155, 25, 45, 0.08);
    color: var(--color-unsaac-guinda);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.detail-item strong {
    color: var(--color-text-main);
    font-size: 1rem;
    display: block;
    margin-bottom: 0.3rem;
}

.detail-item p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.email-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.email-row a {
    color: var(--color-unsaac-guinda);
    font-size: 1.1rem;
    font-weight: 700;
}

.btn-copy-email {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-copy-email:hover {
    background: var(--color-unsaac-guinda);
    color: var(--color-surface);
}

.contact-card-cta {
    background: linear-gradient(135deg, #1A202C 0%, #0F172A 100%);
    color: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
}

.cta-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cta-logo {
    width: 72px;
    height: auto;
    margin-bottom: 1.25rem;
}

.cta-inner h3 {
    color: var(--color-surface);
    font-size: 1.35rem;
    margin-bottom: 0.2rem;
}

.cta-inner p {
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-bottom: 1.75rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: #0B0F17;
    color: var(--color-text-muted);
    padding: 4rem 0 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo { height: 48px; }

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.footer-links a:hover { color: var(--color-unsaac-gold); }

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
    font-size: 0.85rem;
}

/* ==========================================================================
   MODAL LIGHTBOX & VIDEO & TOAST
   ========================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    position: relative;
    max-width: 900px;
    width: 100%;
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: rgba(0, 0, 0, 0.6);
    color: var(--color-surface);
    border: none;
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.lightbox-content {
    background: transparent;
    max-width: 85vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox-caption {
    color: var(--color-surface);
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1rem;
    text-align: center;
}

.video-responsive {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--color-unsaac-guinda);
    color: var(--color-surface);
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 3000;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-title { font-size: 2.8rem; }
    .quick-nav-grid, .awards-grid, .team-grid, .about-overview-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats-row { grid-template-columns: repeat(2, 1fr); }
    .opp-cards-grid, .apply-steps-grid { grid-template-columns: 1fr; }
    .contact-box-standalone { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        background: var(--color-surface);
        padding: 2rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: var(--transition);
    }

    .nav-menu.active { transform: translateY(0); }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .mobile-toggle { display: block; }
    .hero-title { font-size: 2.2rem; }
    .quick-nav-grid, .projects-grid, .templates-grid, .team-grid, .awards-grid, .about-overview-grid { grid-template-columns: 1fr; }
    .hero-stats-row { grid-template-columns: 1fr; }
    .pub-card { flex-direction: column; gap: 1rem; }
    .pub-number { display: none; }
    .cta-box-callout { flex-direction: column; text-align: center; }
}