/* ==========================================================================
   DESIGN SYSTEM & VARIABLES ("Swiss Editorial Tech" Theme)
   ========================================================================== */
:root {
    /* Color Palette */
    --color-bg-darkest: #07090e;
    --color-bg-darker: #0d111b;
    --color-bg-card: #121826;
    --color-accent-teal: #00f5d4;
    --color-accent-blue: #00bbf9;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(0, 245, 212, 0.3);
    --color-status-closed: #f43f5e;
    --color-status-open: #10b981;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-accent-teal) 0%, var(--color-accent-blue) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-bg-darkest) 0%, var(--color-bg-darker) 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 245, 212, 0.15) 0%, transparent 70%);

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    --font-alt: 'Space Grotesk', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Layout Constraints */
    --max-width: 1240px;
    --header-height: 80px;
}

/* ==========================================================================
   RESET & SYSTEM INITIALIZATION
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0 !important;
    /* STRICT REQUIREMENT: No rounded corners */
    text-shadow: none !important;
    /* No colored shadows */
    box-shadow: none !important;
    /* No colored shadows */
}

html {
    scroll-behavior: smooth;
    font-size: 100%;
    background-color: var(--color-bg-darkest);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: var(--gradient-dark);
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-darkest);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border: 1px solid var(--color-bg-darkest);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-teal);
}

/* ==========================================================================
   GLOBAL LAYOUT UTILITIES
   ========================================================================== */
.content-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-primary);
    width: 0%;
    z-index: 1000;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(7, 9, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    transition: background var(--transition-fast), height var(--transition-fast);
}

.site-header .logo-link img {
    height: 40px;
    width: auto;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled .logo-link img {
    opacity: 1;
    transform: translateY(0);
}

.site-header.scrolled {
    height: 70px;
    background: rgba(7, 9, 14, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.15);
}

.header-container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 36px;
    width: auto;
    filter: brightness(1.2);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-primary);
    line-height: 1;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 20px;
}

.main-nav a {
    font-family: var(--font-alt);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
    padding: 8px 0;
    position: relative;
    white-space: nowrap;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-accent-teal);
    transition: width var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-text-primary);
}

.main-nav a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.platform-status {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-status-open);
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.05);
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-status-open);
    display: inline-block;
    animation: pulse 1.8s infinite ease-in-out;
}

.btn-header-login {
    font-family: var(--font-alt);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--color-text-primary);
    padding: 8px 18px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-header-login:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-darkest);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 102;
    padding: 5px;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   MOBILE MENU
   ========================================================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-bg-darkest);
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--color-border);
}

.mobile-menu.open {
    right: 0;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
}

.mobile-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.mobile-btn-login {
    color: var(--color-accent-teal) !important;
    border-bottom: 2px solid var(--color-accent-teal);
    padding-bottom: 4px;
}

.mobile-menu-footer {
    position: absolute;
    bottom: 40px;
    font-family: var(--font-code);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

@keyframes heroBreath {
    0% {
        transform: scale(1) translate(0, 0);
    }

    50% {
        transform: scale(1.05) translate(-1%, -1%);
    }

    100% {
        transform: scale(1) translate(0, 0);
    }
}

.hero-background {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background-image: url('img/imagenfondo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
    pointer-events: none;
    opacity: 0.4;
    animation: heroBreath 25s ease-in-out infinite alternate;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 15, 36, 0.95) 0%, rgba(10, 15, 36, 0.4) 50%, rgba(10, 15, 36, 0.8) 100%);
    z-index: 2;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.6fr 0.4fr;
    gap: 60px;
    align-items: center;
    text-align: left;
    position: relative;
    z-index: 3;
}

.hero-text-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 100%;
}

.tagline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-code);
    font-size: 0.85rem;
    margin-bottom: 24px;
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.02);
}

.tagline-badge {
    color: var(--color-accent-teal);
    font-weight: 600;
}

.tagline-dot {
    width: 4px;
    height: 4px;
    background-color: var(--color-text-muted);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary-sharp {
    font-family: var(--font-alt);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-bg-darkest);
    background-color: var(--color-accent-teal);
    padding: 18px 32px;
    border: 1px solid var(--color-accent-teal);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary-sharp:hover {
    background-color: transparent;
    color: var(--color-accent-teal);
    transform: translateY(-2px);
}

.btn-secondary-sharp {
    font-family: var(--font-alt);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
    background-color: transparent;
    padding: 18px 32px;
    border: 1px solid var(--color-border);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary-sharp:hover {
    border-color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-2px);
}

.hero-image-wrapper {
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-frame {
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.02);
    padding: 16px;
    width: 100%;
    position: relative;
    transition: border-color var(--transition-smooth);
}

.hero-frame:hover {
    border-color: var(--color-accent-teal);
}

.hero-img {
    width: 100%;
    height: auto;
    filter: brightness(0.95) contrast(1.05);
}

.frame-overlay-details {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    padding: 16px 24px;
    display: flex;
    gap: 32px;
    z-index: 4;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.detail-value {
    font-family: var(--font-alt);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* Quick Access Banner */
.quick-access-banner {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: rgba(7, 9, 14, 0.6);
    margin-top: 80px;
    position: relative;
    z-index: 3;
}

.quick-access-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.quick-access-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px 40px;
    border-right: 1px solid var(--color-border);
    transition: background-color var(--transition-fast);
}

.quick-access-item:last-child {
    border-right: none;
}

.quick-access-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.quick-access-item .icon-wrap {
    color: var(--color-accent-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 245, 212, 0.2);
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.quick-access-item:hover .icon-wrap {
    border-color: var(--color-accent-teal);
    background-color: rgba(0, 245, 212, 0.05);
}

.quick-access-item h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.quick-access-item p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   CATALOG SECTIONS & SHARP MODULAR GRID
   ========================================================================== */
.catalog-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
}

.section-meta {
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--color-accent-teal);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1px;
    text-transform: uppercase;
    margin-bottom: 16px;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
}

/* Shared-Border Grid Implementation */
.courses-modular-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    background: transparent;
}

.courses-modular-grid.grid-2-columns {
    grid-template-columns: repeat(2, 1fr);
}

.course-module {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 48px;
    background: transparent;
    transition: background-color var(--transition-fast);
}

.course-module:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

.course-banner-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1024 / 267;
    overflow: hidden;
    margin-bottom: 32px;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.course-module:hover .course-banner-wrap {
    border-color: var(--color-accent-teal);
}

.course-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.course-module:hover .course-banner-img {
    transform: scale(1.05);
}

.duration-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--color-bg-darkest);
    color: var(--color-accent-teal);
    font-family: var(--font-code);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border: 1px solid rgba(0, 245, 212, 0.3);
    letter-spacing: 1px;
}

.course-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.course-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    width: fit-content;
}

.meta-label {
    color: var(--color-text-muted);
}

.meta-value {
    color: var(--color-text-primary);
    font-weight: 500;
}

.course-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

.course-requirements {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    border-top: 1px dashed var(--color-border);
    padding-top: 16px;
    margin-top: auto;
}

.course-requirements strong {
    color: var(--color-text-secondary);
}

.hide-details .course-meta,
.hide-details .course-requirements,
.hide-details .course-footer {
    display: none !important;
}

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 20px;
}

.btn-course-guide {
    font-family: var(--font-alt);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-text-muted);
    padding-bottom: 2px;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.btn-course-guide:hover {
    color: var(--color-accent-teal);
    border-color: var(--color-accent-teal);
}

.course-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-course-interest {
    font-family: var(--font-alt);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-bg-darkest);
    background-color: var(--color-text-primary);
    border: 1px solid var(--color-text-primary);
    padding: 10px 20px;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-course-interest:hover {
    background-color: transparent;
    color: var(--color-text-primary);
}

.status-indicator {
    font-family: var(--font-code);
    font-size: 0.8rem;
    padding: 4px 10px;
}

.status-closed {
    color: var(--color-status-closed);
    border: 1px solid rgba(244, 63, 94, 0.2);
    background: rgba(244, 63, 94, 0.05);
}

.status-open {
    color: var(--color-status-open);
    border: 1px solid rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.05);
}

/* ==========================================================================
   TESTIMONIALS SECTION (Opiniones)
   ========================================================================== */
.opiniones-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-border);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    border: 1px solid var(--color-border);
    padding: 40px;
    background: rgba(255, 255, 255, 0.01);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.testimonial-card:hover {
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.02);
}

.quote-icon {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1;
    color: rgba(0, 245, 212, 0.15);
    position: absolute;
    top: 20px;
    left: 40px;
    pointer-events: none;
}

.testimonial-quote {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: auto;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border: 1px solid var(--color-border);
    filter: grayscale(100%);
    transition: filter var(--transition-fast);
}

.testimonial-card:hover .author-avatar {
    filter: grayscale(0%);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
    font-style: normal;
}

.author-title {
    font-family: var(--font-alt);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   OTRAS CONSIDERACIONES (FAQ Accordions)
   ========================================================================== */
.consideraciones-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-border);
}

.consideraciones-container {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
    align-items: flex-start;
}

.faq-visual-block {
    position: sticky;
    top: 110px;
}

.faq-card-illustration {
    border: 1px solid var(--color-border);
    padding: 40px;
    background: rgba(255, 255, 255, 0.01);
}

.faq-illustration-img {
    height: 60px;
    width: auto;
    margin-bottom: 24px;
    filter: drop-shadow(0 0 10px rgba(0, 245, 212, 0.15));
}

.faq-card-illustration h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.faq-card-illustration p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

.btn-text-link {
    font-family: var(--font-alt);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent-teal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-text-link svg {
    transition: transform var(--transition-fast);
}

.btn-text-link:hover svg {
    transform: translateX(4px);
}

.accordions-wrapper {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--color-border);
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--color-text-primary);
}

.accordion-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.accordion-trigger:hover .accordion-title {
    color: var(--color-accent-teal);
}

.accordion-icon {
    position: relative;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-icon .icon-line {
    position: absolute;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-smooth), background-color var(--transition-fast);
}

.accordion-icon .icon-line:first-child {
    width: 100%;
    height: 2px;
}

.accordion-icon .icon-line:last-child {
    width: 2px;
    height: 100%;
}

.accordion-trigger[aria-expanded="true"] .accordion-title {
    color: var(--color-accent-teal);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon .icon-line:first-child {
    transform: rotate(45deg);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon .icon-line:last-child {
    transform: rotate(45deg);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon .icon-line {
    background-color: var(--color-accent-teal);
}

.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
}

.accordion-content {
    padding-bottom: 30px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.accordion-content p {
    margin-bottom: 16px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-left: 20px;
    list-style-type: square;
}

.faq-list li strong {
    color: var(--color-text-primary);
}

.faq-list li a {
    color: var(--color-accent-teal);
    border-bottom: 1px solid rgba(0, 245, 212, 0.3);
    padding-bottom: 1px;
}

.faq-list li a:hover {
    border-bottom-color: var(--color-accent-teal);
}

/* ==========================================================================
   ACCESO AULA VIRTUAL (Login Portal)
   ========================================================================== */
.acceso-section {
    padding: 120px 0;
    border-bottom: 1px solid var(--color-border);
}

.acceso-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.acceso-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.login-badge {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-accent-teal);
    border: 1px solid rgba(0, 245, 212, 0.2);
    background: rgba(0, 245, 212, 0.05);
    padding: 4px 10px;
    margin-bottom: 16px;
}

.acceso-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.acceso-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.login-card-sharp {
    border: 1px solid var(--color-border);
    padding: 40px;
    background: rgba(255, 255, 255, 0.01);
}

.login-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 16px;
}

.lock-icon {
    color: var(--color-accent-teal);
}

.login-card-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-alt);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.input-wrapper input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 12px 16px;
    outline: none;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.input-wrapper input:focus {
    border-color: var(--color-accent-teal);
    background: rgba(255, 255, 255, 0.04);
}

.btn-submit-sharp {
    font-family: var(--font-alt);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-bg-darkest);
    background-color: var(--color-accent-teal);
    border: 1px solid var(--color-accent-teal);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    margin-top: 10px;
}

.btn-submit-sharp:hover {
    background-color: transparent;
    color: var(--color-accent-teal);
}

.login-card-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 24px;
    border-top: 1px dashed var(--color-border);
    padding-top: 16px;
}

.login-card-footer .divider {
    color: var(--color-border);
}

.login-card-footer .help-link {
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-text-muted);
}

.login-card-footer .help-link:hover {
    color: var(--color-accent-teal);
    border-bottom-color: var(--color-accent-teal);
}

/* ==========================================================================
   FOOTER (Pie de página)
   ========================================================================== */
.site-footer {
    background: var(--color-bg-darkest);
    border-top: 1px solid var(--color-border);
}

.footer-funding-bar {
    padding: 60px 0;
    border-bottom: 1px solid var(--color-border);
}

.funding-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.funding-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.funding-text strong {
    color: var(--color-text-primary);
}

.funding-logos {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-logo-small {
    height: 48px;
    width: auto;
    filter: grayscale(100%) brightness(0.9);
    transition: filter var(--transition-fast);
}

.footer-logo-main {
    height: 52px;
    width: auto;
    filter: grayscale(100%) brightness(0.9);
    transition: filter var(--transition-fast);
}

.funding-logos:hover .footer-logo-small,
.funding-logos:hover .footer-logo-main {
    filter: grayscale(0%) brightness(1);
}

.footer-bottom-bar {
    padding: 30px 0;
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.bottom-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-teal);
}

.footer-links .sep {
    margin: 0 8px;
    color: var(--color-border);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */
@media (max-width: 1100px) {
    .hero-title {
        font-size: 3.2rem;
    }

    .quick-access-item {
        padding: 24px 30px;
    }
}

@media (max-width: 960px) {
    .site-header {
        height: 70px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text-content {
        align-items: center;
    }

    .hero-description {
        margin: 0 auto 30px;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-frame {
        max-width: 500px;
        margin: 0 auto;
    }

    .frame-overlay-details {
        left: 20px;
        right: 20px;
        bottom: -30px;
        justify-content: center;
    }

    .quick-access-container {
        grid-template-columns: 1fr;
    }

    .quick-access-item {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .quick-access-item:last-child {
        border-bottom: none;
    }

    .courses-modular-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .consideraciones-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .faq-visual-block {
        position: relative;
        top: 0;
    }

    .acceso-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .funding-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .funding-logos {
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 2.4rem;
    }

    .hero-cta-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary-sharp,
    .btn-secondary-sharp {
        width: 100%;
        justify-content: center;
    }

    .course-module {
        padding: 24px;
    }

    .course-title {
        font-size: 1.3rem;
    }

    .course-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .course-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-course-interest {
        width: 100%;
        text-align: center;
    }

    .status-indicator {
        width: 100%;
        text-align: center;
    }

    .testimonial-card {
        padding: 24px;
    }

    .faq-card-illustration {
        padding: 24px;
    }

    .accordion-title {
        font-size: 1.05rem;
    }

    .login-card-sharp {
        padding: 24px;
    }

    .bottom-container {
        flex-direction: column;
        text-align: center;
    }
}