/* style.css */

/* === ROOT VARIABLES & BASIC SETUP === */
:root {
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Merriweather', serif;

    /* Pastel Eco-Futuristic Palette */
    --color-primary-base: #A0D2DB; /* Soft Aqua */
    --color-primary-light: #C7E6EB;
    --color-primary-dark: #7FAAB0;

    --color-secondary-base: #FFDAC1; /* Warm Peach */
    --color-secondary-light: #FFEAE0;
    --color-secondary-dark: #E0BFAE;

    --color-accent-base: #B39DDB; /* Soft Lilac/Lavender - Adjusted for better contrast on white */
    --color-accent-light: #D1C4E9;
    --color-accent-dark: #9575CD; /* Darker Lilac */

    --color-neutral-lightest: #FDFDFD;
    --color-neutral-light: #F0F4F7; /* Very Light Bluish Gray */
    --color-neutral-medium: #D5DBE0;
    --color-neutral-dark: #A9B4BE;

    --color-text-dark: #2c3e50; /* Dark Slate Blue */
    --color-text-medium: #566573; /* Adjusted for readability */
    --color-text-light: #FFFFFF;
    --color-text-headings: #1A2B3C; /* Even darker for main titles */


    --gradient-pastel: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
    --gradient-overlay: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)); /* Darker overlay for better text contrast */

    --shadow-soft: 0 4px 12px rgba(44, 62, 80, 0.08);
    --shadow-medium: 0 8px 20px rgba(44, 62, 80, 0.1);
    --shadow-strong: 0 12px 30px rgba(44, 62, 80, 0.12);

    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;

    --transition-bounce: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-smooth: all 0.3s ease-in-out;
    --transition-fast: all 0.2s ease-out;

    --header-height: 80px;
    --footer-height: auto; 
}

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

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

body {
    font-family: var(--font-secondary);
    color: var(--color-text-medium);
    background-color: var(--color-neutral-lightest);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.main-container {
    width: 100%;
    overflow-x: hidden; /* Prevents horizontal scroll from animations */
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--color-text-headings);
    line-height: 1.3;
    margin-bottom: 0.75em; /* Default bottom margin */
}

h1 { font-size: 2.8rem; margin-bottom: 0.5em; } /* Hero title, page titles */
h2 { font-size: 2.2rem; } /* Section titles */
h3 { font-size: 1.6rem; } /* Card titles, sub-section titles */
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1.25rem;
    color: var(--color-text-medium);
}

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

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

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

/* === LAYOUT (CONTAINER, COLUMNS) === */
.container {
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 15px;
    padding-right: 15px;
}

.columns {
    display: flex;
    flex-wrap: wrap;
    margin-left: -10px;
    margin-right: -10px;
}

.column {
    display: block;
    flex-basis: 0;
    flex-grow: 1;
    flex-shrink: 1;
    padding: 10px;
}

.column.is-one-third { flex: none; width: 33.3333%; }
.column.is-half { flex: none; width: 50%; }
.column.is-two-thirds { flex: none; width: 66.6666%; }
.column.is-one-fourth { flex: none; width: 25%; }

/* === GLOBAL COMPONENTS (BUTTONS, CARDS, FORMS) === */
.cta-button, .button-outline, .submit-button, input[type="submit"], button.faq-question, .prev-btn, .next-btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border-radius: var(--border-radius-md);
    transition: var(--transition-bounce), box-shadow 0.2s ease-out;
    border: 2px solid transparent;
    letter-spacing: 0.5px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.cta-button, .submit-button, input[type="submit"] {
    background-color: var(--color-accent-base);
    color: var(--color-text-light);
    border-color: var(--color-accent-base);
    box-shadow: var(--shadow-soft);
}

.cta-button:hover, .submit-button:hover, input[type="submit"]:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-medium);
}

.cta-button:active, .submit-button:active, input[type="submit"]:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: var(--shadow-soft);
}

.button-outline {
    background-color: transparent;
    color: var(--color-accent-dark);
    border: 2px solid var(--color-accent-base);
}

.button-outline:hover {
    background-color: var(--color-accent-light);
    color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-3px) scale(1.02);
}

.card {
    background-color: var(--color-text-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    text-align: center; /* Center text within the card */
    height: 100%; /* For consistent height in flex containers */
}

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

.card .card-image { /* Image container */
    width: 100%;
    height: 200px; /* Fixed height for image containers */
    overflow: hidden;
    position: relative; /* For potential overlays or captions */
}

.card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease-out;
}
.card:hover .card-image img {
    transform: scale(1.05);
}

.card .card-content {
    padding: 20px;
    flex-grow: 1; /* Allows content to take remaining space */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Pushes button to bottom if present */
}
.card .card-content h3 {
    margin-top: 0;
    color: var(--color-primary-dark);
}

/* Form Styles */
.contact-form .form-field {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 8px;
    text-align: left;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--color-neutral-medium);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text-medium);
    background-color: var(--color-neutral-lightest);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent-base);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

/* === HEADER === */
.site-header {
    background-color: rgba(253, 253, 253, 0.9); /* Slight transparency */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-soft);
    height: var(--header-height);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-decoration: none;
}
.logo:hover {
    color: var(--color-accent-dark);
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav ul li {
    margin-left: 25px;
}

.main-nav ul li a {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-text-dark);
    text-decoration: none;
    padding: 10px 0;
    position: relative;
    font-size: 0.95rem;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-base);
    transition: width 0.3s ease-out;
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
}
.main-nav ul li a:hover {
    color: var(--color-accent-dark);
    text-decoration: none;
}


.burger-menu {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-dark);
    margin: 5px 0;
    transition: var(--transition-smooth);
    border-radius: 3px;
}


/* === FOOTER === */
.site-footer {
    background-color: var(--color-neutral-light);
    color: var(--color-text-medium);
    padding: 50px 0 20px;
    border-top: 1px solid var(--color-neutral-medium);
}

.footer-content h4 {
    font-family: var(--font-primary);
    color: var(--color-primary-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.site-footer ul {
    list-style: none;
    padding-left: 0;
}

.site-footer ul li {
    margin-bottom: 10px;
}

.site-footer ul li a {
    color: var(--color-text-medium);
    text-decoration: none;
}

.site-footer ul li a:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

.social-links-text li a {
    font-weight: 600; /* Make social links slightly bolder */
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid var(--color-neutral-medium);
    font-size: 0.9rem;
}

/* === SECTIONS === */
.content-section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px; /* Increased margin */
    color: var(--color-text-headings);
    position: relative;
    padding-bottom: 15px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent-base);
    border-radius: 2px;
}


.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-medium);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.highlighted-section {
    background-color: var(--color-neutral-light);
}

/* Hero Section */
.hero-section {
    min-height: 85vh; /* Responsive height */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    position: relative;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding-top: var(--header-height); /* Account for fixed header */
}

.hero-content h1 {
    font-size: 3.2rem; /* Larger for hero */
    margin-bottom: 20px;
    color: var(--color-text-light); /* Enforced white text for hero */
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-light); /* Enforced white text for hero */
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.5);
}

/* Vision, Innovation, History Sections (common two-column layout) */
#vision .columns, #innovacion .columns, #historia .columns {
    align-items: center;
}
#vision .image-container img, 
#innovacion .image-container img, 
#historia .image-container img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
}

/* Courses Section */
.courses-section .course-list .column {
    margin-bottom: 30px; /* Spacing between cards on mobile */
}

/* Carousel Sections (Success Stories, Testimonials) */
.carousel-section {
    position: relative;
}
.carousel {
    display: flex;
    overflow-x: auto; /* Will be controlled by JS for smooth scroll */
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    padding-bottom: 20px; /* Space for scrollbar if visible */
}
.carousel::-webkit-scrollbar { display: none; } /* Hide scrollbar */

.carousel-item {
    flex: 0 0 90%; /* Show a bit of the next card */
    max-width: 90%;
    margin-right: 20px;
    scroll-snap-align: start;
}
.carousel-item:last-child {
    margin-right: 0;
}
.carousel-nav {
    text-align: center;
    margin-top: 30px;
}
.prev-btn, .next-btn {
    background-color: var(--color-primary-base);
    color: var(--color-text-light);
    border: none;
    margin: 0 10px;
    padding: 10px 15px;
}
.prev-btn:hover, .next-btn:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.05);
}

/* Media Section */
.media-gallery .media-card .card-image {
    height: 225px; /* Specific height for media items */
}
.media-card h4 {
    color: var(--color-accent-dark);
}

/* Statistical Widgets */
.stats-section {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative; /* For pseudo-element overlay if needed */
}
.stat-widget {
    text-align: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8); /* Semi-transparent background */
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    margin-bottom: 20px;
}
.stat-number {
    font-size: 2.8rem;
    color: var(--color-accent-dark);
    margin-bottom: 5px;
}
.stat-label {
    font-size: 1rem;
    color: var(--color-text-medium);
    font-family: var(--font-primary);
    font-weight: 600;
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background-color: var(--color-text-light);
    margin-bottom: 15px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}
.faq-question {
    width: 100%;
    background-color: transparent;
    border: none;
    padding: 18px 20px;
    text-align: left;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question:hover {
    background-color: var(--color-neutral-light);
}
.faq-question .toggle-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease-out;
    color: var(--color-accent-base);
}
.faq-question[aria-expanded="true"] .toggle-icon {
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 20px 20px 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}
.faq-answer p {
    margin-bottom: 0;
    color: var(--color-text-medium);
}
.faq-item.active .faq-answer {
    /* JS will set max-height */
}

/* External Resources Section */
.resource-card {
    display: flex;
    flex-direction: row; /* Horizontal layout for resource cards */
    align-items: center;
    text-align: left;
    padding: 15px;
}
.resource-card .card-image {
    width: 60px; /* Smaller image/icon */
    height: 60px;
    margin-right: 15px;
    flex-shrink: 0;
    border-radius: var(--border-radius-sm);
}
.resource-card .card-image img {
    border-radius: var(--border-radius-sm);
}
.resource-card .card-content {
    padding: 0;
    flex-grow: 1;
}
.resource-card .card-content h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}
.resource-card .card-content h4 a {
    color: var(--color-primary-dark);
}
.resource-card .card-content h4 a:hover {
    color: var(--color-accent-dark);
}
.resource-card .card-content p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--color-text-medium);
}

/* === PAGE SPECIFIC STYLES === */
/* For dedicated content pages like privacy, terms */
body.privacy-page main,
body.terms-page main {
    padding-top: calc(var(--header-height) + 40px); /* Header height + some extra space */
    padding-bottom: 60px;
}
body.privacy-page .container,
body.terms-page .container {
    max-width: 900px; /* Narrower content for text-heavy pages */
}
body.privacy-page h1,
body.terms-page h1 {
    text-align: center;
    margin-bottom: 30px;
}

/* success.html specific styles */
body.success-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--color-neutral-light);
    text-align: center;
    padding: 20px;
}
.success-container {
    background-color: var(--color-text-light);
    padding: 40px 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    max-width: 600px;
}
.success-container h1 {
    color: var(--color-primary-dark);
    margin-bottom: 20px;
    font-size: 2rem;
}
.success-container p {
    color: var(--color-text-medium);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* "Read More" Link Style */
.read-more-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--color-accent-dark);
    font-family: var(--font-primary);
    font-weight: 700;
    text-decoration: none;
    position: relative;
    padding-bottom: 3px;
    font-size: 0.95rem;
}
.read-more-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-base);
    transition: width 0.3s ease-out;
}
.read-more-link:hover::after {
    width: 100%;
}
.read-more-link:hover {
    color: var(--color-accent-base);
    text-decoration: none;
}

/* For ScrollReveal Animations - initial hidden state */
.reveal-up, .reveal-fade-in, .reveal-left, .reveal-right {
    visibility: hidden;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero-content h1 { font-size: 2.8rem; }

    .column.is-one-third,
    .column.is-half,
    .column.is-two-thirds,
    .column.is-one-fourth {
        width: 100%; /* Stack columns on smaller screens */
        margin-bottom: 20px;
    }
    .columns {
        margin-left: 0;
        margin-right: 0;
    }
    .column {
        padding-left: 0;
        padding-right: 0;
    }
    #vision .columns, #innovacion .columns, #historia .columns {
        flex-direction: column-reverse; /* Image below text often better on mobile */
    }
     #vision .column, #innovacion .column, #historia .column {
        width: 100% !important; /* Override inline style if any or framework class */
    }
    #vision .image-container, #innovacion .image-container, #historia .image-container {
        margin-bottom: 30px;
    }
    .resource-card {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    .resource-card .card-image {
        margin-bottom: 10px;
        margin-right: 0;
    }
    .stat-widgets .column {
         width: 50% !important; /* Two stats per row */
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none; /* Hide nav for burger menu */
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-neutral-lightest);
        box-shadow: var(--shadow-medium);
        padding: 20px 0;
        border-top: 1px solid var(--color-neutral-medium);
    }
    .main-nav.active {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }
    .main-nav ul li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    .main-nav ul li a {
        display: block;
        padding: 12px 20px;
    }
    .main-nav ul li a::after {
        display: none; /* No underline for mobile nav items or adjust */
    }
     .main-nav ul li a:hover {
        background-color: var(--color-neutral-light);
    }

    .burger-menu {
        display: block; /* Show burger menu */
    }
    .burger-menu.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .burger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    .burger-menu.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-section { min-height: 70vh; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1.1rem; }

    .carousel-item {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .footer-content .columns {
        flex-direction: column;
        text-align: center;
    }
    .footer-content .column {
        margin-bottom: 30px;
    }
    .stat-widgets .column {
         width: 100% !important; /* One stat per row */
    }
}

@media (max-width: 480px) {
    .container { width: 95%; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.7rem; }
    .hero-content h1 { font-size: 1.8rem; }
    .hero-content p { font-size: 1rem; }
    .cta-button, .button-outline, .submit-button, input[type="submit"] {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    .success-container { padding: 30px 20px; }
}