/* Institutional landing styles */
:root {
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    --color-page: #f5f8fc;
    --color-surface: #ffffff;
    --color-surface-soft: #eef4f9;
    --color-ink: #102033;
    --color-muted: #5b6b7c;
    --color-primary: #0b4f7c;
    --color-primary-dark: #073453;
    --color-secondary: #1f8a70;
    --color-gold: #c8922f;
    --color-border: rgba(16, 32, 51, 0.12);

    --color-maternal: #a8476f;
    --color-geologia: #2f7d60;
    --color-rutas: #0b6d9f;

    --shadow-soft: 0 16px 44px rgba(16, 32, 51, 0.10);
    --shadow-card: 0 12px 30px rgba(16, 32, 51, 0.08);
    --radius: 14px;
    --transition: 220ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background:
        linear-gradient(180deg, rgba(11, 79, 124, 0.05), transparent 380px),
        var(--color-page);
    color: var(--color-ink);
    font-family: var(--font-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 800;
    letter-spacing: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

.main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.95rem 0;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: padding var(--transition), box-shadow var(--transition), background var(--transition);
}

.header-container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.institution-branding {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.header-logo {
    width: auto;
    height: 52px;
    object-fit: contain;
}

.branding-text {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.inst-name {
    color: var(--color-primary-dark);
    font-family: var(--font-primary);
    font-size: 0.98rem;
    font-weight: 800;
    line-height: 1.2;
}

.inst-level {
    color: var(--color-secondary);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-section {
    position: relative;
    min-height: 74vh;
    padding: 7rem 2rem 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image:
        linear-gradient(135deg, rgba(7, 52, 83, 0.96) 0%, rgba(11, 79, 124, 0.84) 52%, rgba(31, 138, 112, 0.72) 100%),
        url('../bannerferia.png');
    background-position: center;
    background-size: cover;
    color: #ffffff;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 45%),
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.18), transparent 34%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    width: min(830px, 100%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #f4d48a;
    font-family: var(--font-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-title {
    color: #ffffff;
    font-size: clamp(2.7rem, 6vw, 5rem);
    line-height: 1.03;
    text-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

.hero-subtitle {
    max-width: 720px;
    color: rgba(255, 255, 255, 0.84);
    font-size: clamp(1.02rem, 2vw, 1.22rem);
    font-weight: 400;
}

.hero-scroll-indicator {
    margin-top: 2.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    color: rgba(255, 255, 255, 0.78);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.hero-scroll-indicator:hover {
    color: #ffffff;
}

.arrow-down {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

.projects-section {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 5.5rem 0 6rem;
}

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

.section-title {
    color: var(--color-primary-dark);
    font-size: clamp(1.9rem, 3.5vw, 2.7rem);
    line-height: 1.12;
    margin-bottom: 1rem;
}

.section-divider {
    width: 68px;
    height: 4px;
    margin: 0 auto 1.35rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-gold));
}

.section-intro {
    color: var(--color-muted);
    font-size: 1.06rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: stretch;
}

.project-card {
    position: relative;
    min-height: 430px;
    display: flex;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 6px;
    background: var(--project-accent, var(--color-primary));
}

.card-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.96)),
        radial-gradient(circle at 100% 0%, var(--project-tint, rgba(11, 79, 124, 0.12)), transparent 42%);
    pointer-events: none;
}

.card-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.project-badge {
    align-self: flex-start;
    padding: 0.36rem 0.8rem;
    border-radius: 999px;
    background: var(--project-tint, rgba(11, 79, 124, 0.10));
    border: 1px solid var(--project-border, rgba(11, 79, 124, 0.22));
    color: var(--project-accent, var(--color-primary));
    font-family: var(--font-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-card-title {
    color: var(--color-primary-dark);
    font-size: 1.38rem;
    line-height: 1.25;
}

.project-card-excerpt {
    color: var(--color-muted);
    font-size: 0.96rem;
    flex: 1;
}

.project-authors {
    padding-top: 1rem;
    border-top: 1px solid rgba(16, 32, 51, 0.10);
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    font-size: 0.88rem;
}

.author-label {
    color: var(--color-muted);
    font-weight: 700;
}

.author-names {
    color: var(--color-ink);
    font-weight: 800;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    margin-top: 0.25rem;
    padding: 0.8rem 1rem;
    border-radius: 10px;
    background: var(--project-accent, var(--color-primary));
    color: #ffffff;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.project-link-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px var(--project-shadow, rgba(11, 79, 124, 0.24));
}

.card-maternal {
    --project-accent: var(--color-maternal);
    --project-tint: rgba(168, 71, 111, 0.12);
    --project-border: rgba(168, 71, 111, 0.24);
    --project-shadow: rgba(168, 71, 111, 0.24);
}

.card-geologia {
    --project-accent: var(--color-geologia);
    --project-tint: rgba(47, 125, 96, 0.12);
    --project-border: rgba(47, 125, 96, 0.24);
    --project-shadow: rgba(47, 125, 96, 0.24);
}

.card-rutas {
    --project-accent: var(--color-rutas);
    --project-tint: rgba(11, 109, 159, 0.12);
    --project-border: rgba(11, 109, 159, 0.24);
    --project-shadow: rgba(11, 109, 159, 0.24);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--project-border, rgba(11, 79, 124, 0.24));
    box-shadow: var(--shadow-soft);
}

.banner-showcase {
    padding: 5rem 2rem;
    background:
        linear-gradient(135deg, rgba(7, 52, 83, 0.96), rgba(11, 79, 124, 0.90)),
        var(--color-primary-dark);
    color: #ffffff;
}

.showcase-container {
    width: min(1180px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
    justify-items: center;
    text-align: center;
}

.showcase-content h2 {
    color: #ffffff;
    font-size: clamp(1.8rem, 3vw, 2.45rem);
    line-height: 1.15;
    margin-bottom: 1rem;
}

.showcase-content p {
    color: rgba(255, 255, 255, 0.78);
    font-size: 1.05rem;
    max-width: 760px;
}

.showcase-image-container {
    position: relative;
    overflow: hidden;
    width: min(1024px, 100%);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
    background: rgba(255, 255, 255, 0.96);
}

.showcase-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.showcase-image-container:hover .showcase-img {
    transform: none;
}

.main-footer {
    padding: 3.5rem 2rem 2rem;
    background: #0d1d30;
    color: rgba(255, 255, 255, 0.70);
}

.footer-container {
    width: min(1180px, 100%);
    margin: 0 auto 2.5rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info {
    flex: 1 1 360px;
}

.footer-info h3 {
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 0.7rem;
}

.footer-info p {
    margin-bottom: 0.45rem;
    font-size: 0.92rem;
}

.institution-address {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.86rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 800;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: #f4d48a;
}

.footer-bottom {
    width: min(1180px, 100%);
    margin: 0 auto;
    padding-top: 1.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    font-size: 0.82rem;
}

@keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) rotate(45deg);
    }

    40% {
        transform: translateY(-9px) rotate(45deg);
    }

    60% {
        transform: translateY(-4px) rotate(45deg);
    }
}

@media (max-width: 980px) {
    .projects-grid,
    .showcase-container {
        grid-template-columns: 1fr;
    }

    .project-card {
        min-height: auto;
    }
}

@media (max-width: 700px) {
    .header-container,
    .institution-branding {
        flex-direction: column;
        text-align: center;
    }

    .main-header {
        position: relative;
    }

    .hero-section {
        min-height: 66vh;
        padding: 4.75rem 1.25rem 3.5rem;
    }

    .projects-section {
        width: min(100% - 28px, 1180px);
        padding: 4rem 0;
    }

    .card-content {
        padding: 1.45rem;
    }

    .banner-showcase,
    .main-footer {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}