/* --- CSS Variables --- */
:root {
    /* Color Palette (Analogous: Blue -> Cyan, Accent: Yellow) */
    --primary-color: #0052cc;        /* Deep Blue - Main Interactive Color */
    --primary-color-darker: #003d99;
    --secondary-color: #00b8d9;      /* Cyan/Teal - Gradients, Secondary Actions */
    --secondary-color-darker: #008fad;
    --accent-color: #ffc400;         /* Yellow - Highlights, CTA accents */
    --accent-color-darker: #cc9d00;

    /* Neutral & Text Colors */
    --text-color-headings: #1a2b48; /* Darker blue for headings */
    --text-color-body: #343a40;     /* Dark grey for body text */
    --text-color-muted: #6c757d;    /* Medium grey for less important text */
    --text-color-light: #f8f9fa;    /* Light grey/off-white for dark backgrounds */
    --text-on-primary: #ffffff;
    --text-on-accent: #212529;

    /* Backgrounds */
    --background-color-body: #f0f4f8; /* Light, soft blue-grey background */
    --background-color-light: #ffffff;
    --background-color-section: #ffffff;
    --background-color-dark: #0f1c2e; /* Dark for footer, contrast elements */
    
    /* Glassmorphism */
    --glass-background-light: rgba(255, 255, 255, 0.55);
    --glass-background-dark: rgba(30, 40, 55, 0.45);
    --glass-blur: 10px;
    --glass-border-color-light: rgba(255, 255, 255, 0.3);
    --glass-border-color-dark: rgba(255, 255, 255, 0.15);
    --glass-box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);

    /* Gradients (Dynamic Color Transitions) */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-button: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-button-hover: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);

    /* Typography */
    --font-family-headings: 'Raleway', 'Helvetica Neue', Arial, sans-serif;
    --font-family-base: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing & Sizing */
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem;  /* 8px */
    --spacing-md: 1rem;    /* 16px */
    --spacing-lg: 1.5rem;  /* 24px */
    --spacing-xl: 2.5rem;  /* 40px */
    --spacing-xxl: 4rem;   /* 64px */

    /* Borders & Shadows */
    --border-radius-sm: 0.3rem; /* ~5px */
    --border-radius-md: 0.6rem; /* ~10px */
    --border-radius-lg: 1rem;   /* ~16px */
    --box-shadow-subtle: 0 2px 4px rgba(0, 0, 0, 0.05);
    --box-shadow-card: 0 4px 15px rgba(0, 0, 0, 0.08);
    --box-shadow-lifted: 0 8px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Global Styles --- */
*, *::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-family-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    color: var(--text-color-body);
    background-color: var(--background-color-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* --- Typography & Text Elements --- */
h1, h2, h3, h4, h5, h6,
.title, .subtitle { /* Bulma classes */
    font-family: var(--font-family-headings);
    color: var(--text-color-headings);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    font-weight: var(--font-weight-bold);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.05);
}

.title.is-1 { font-size: 2.8rem; }
.title.is-2 { font-size: 2.2rem; }
.title.is-3 { font-size: 1.8rem; }
.title.is-4 { font-size: 1.5rem; }
.subtitle { color: var(--text-color-muted); font-weight: var(--font-weight-normal); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}
a:hover {
    color: var(--primary-color-darker);
    text-decoration: underline;
}

strong, b {
    font-weight: var(--font-weight-bold);
    color: var(--text-color-headings);
}

/* --- Layout Containers --- */
.container { /* Bulma container */
    max-width: 1140px; /* Adjust as needed */
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.section { /* Bulma section */
    padding: var(--spacing-xxl) var(--spacing-lg);
    background-color: var(--background-color-section);
}
.section:nth-child(even) {
     background-color: var(--background-color-soft-light); /* Alternate section background */
}

/* --- Header / Fixed Navigation --- */
.header.glassmorphism-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1020;
    background: var(--glass-background-light);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border-color-light);
    box-shadow: var(--box-shadow-subtle);
    transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
}
.navbar.is-transparent {
    background-color: transparent !important;
}
.navbar-brand .logo-text {
    font-size: 1.75em;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color) !important;
    padding: var(--spacing-sm) var(--spacing-md);
}
.navbar-brand .logo-accent {
    color: var(--secondary-color) !important;
}
.navbar-item {
    font-weight: var(--font-weight-semibold);
    color: var(--text-color-headings) !important;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}
.navbar-item:hover,
.navbar-item.is-active {
    color: var(--primary-color) !important;
    background-color: rgba(0,0,0,0.03) !important;
}
.navbar-burger span {
    background-color: var(--primary-color) !important;
    height: 2px;
}
.navbar-menu.is-active {
    background-color: var(--glass-background-light);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--box-shadow-lifted);
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

/* --- Hero Section --- */
.hero-section {
    color: var(--text-color-light);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.hero-section::before { /* Darkening overlay */
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55));
    z-index: 1;
}
.hero-section .hero-body {
    position: relative;
    z-index: 2;
    padding: var(--spacing-xxl) var(--spacing-lg);
}
.hero-title {
    color: var(--text-color-light) !important;
    font-size: 3rem; /* Responsive sizing below */
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 6px rgba(0,0,0,0.5);
}
.hero-subtitle {
    color: rgba(255,255,255,0.85) !important;
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Section Titles --- */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm); /* Title specific margin */
    font-size: 2.4rem;
    color: var(--text-color-headings);
}
.section-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-xl); /* Space after subtitle */
    font-size: 1.1rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Global Button Styles --- */
.button, button, input[type="submit"], input[type="button"] {
    display: inline-block;
    font-family: var(--font-family-headings);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-image: var(--gradient-button);
    background-size: 200% 100%; /* For hover transition */
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    color: var(--text-on-primary) !important;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    box-shadow: var(--box-shadow-card);
    transition: all var(--transition-smooth);
    outline: none;
}
.button:hover, button:hover, input[type="submit"]:hover, input[type="button"]:hover {
    background-position: 100% 0; /* Gradient shift */
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--box-shadow-lifted);
    color: var(--text-on-primary) !important; /* Ensure text color remains */
}
.button:active, button:active, input[type="submit"]:active, input[type="button"]:active {
    transform: translateY(0px) scale(0.98);
    box-shadow: var(--box-shadow-subtle);
}
.button.is-primary { /* Bulma specific, ensure it uses our gradient */
    /* Already covered by global button if Bulma doesn't override too much */
}
.button.is-light { /* For secondary actions */
    background-image: none;
    background-color: var(--background-color-soft-light);
    color: var(--text-color-body) !important;
    border: 1px solid #dee2e6; /* Light border */
    text-shadow: none;
    box-shadow: var(--box-shadow-subtle);
}
.button.is-light:hover {
    background-color: #e9ecef;
    border-color: #ced4da;
    box-shadow: var(--box-shadow-card);
}
.button.is-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.15rem;
}
.button.is-fullwidth {
    width: 100%;
    display: block;
}

/* --- Form Elements (General styling for registration and contact forms) --- */
.dynamic-form .label {
    font-weight: var(--font-weight-semibold);
    color: var(--text-color-headings);
    margin-bottom: var(--spacing-sm);
    display: block;
}
.dynamic-form .input, .dynamic-form .textarea {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-family-base);
    color: var(--text-color-body);
    background-color: var(--background-color-light);
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--box-shadow-subtle);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.dynamic-form .input::placeholder, .dynamic-form .textarea::placeholder {
    color: var(--text-color-muted);
    opacity: 1;
}
.dynamic-form .input:focus, .dynamic-form .textarea:focus {
    color: var(--text-color-body);
    background-color: var(--background-color-light);
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-color), 0.25); /* Focus ring */
}
.dynamic-form .field:not(:last-child) {
    margin-bottom: var(--spacing-lg);
}
.glassmorphism-form, .glassmorphism-form-section .dynamic-form {
    background: var(--glass-background-light);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--glass-border-color-light);
    box-shadow: var(--glass-box-shadow);
}
.glassmorphism-form-section .input, .glassmorphism-form-section .textarea {
    background-color: rgba(255,255,255,0.8);
}

/* --- Card Styling (Instructors, Portfolio, External Resources) --- */
.card { /* Bulma card base */
    background-color: var(--background-color-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-card);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    display: flex; /* For STROGO rule */
    flex-direction: column; /* For STROGO rule */
    /* align-items: center;  Removed this, will apply to content if needed, not card itself for image width*/
    height: 100%; /* For equal height cards in columns */
    overflow: hidden; /* Important for child elements like images */
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lifted);
}

.glassmorphism-card {
    background: var(--glass-background-light);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-color-light);
    box-shadow: var(--glass-box-shadow);
}
.glassmorphism-card .card-content, .glassmorphism-card .media-content .title, .glassmorphism-card .media-content .subtitle {
    color: var(--text-color-body); /* Ensure readability on glass */
}
.glassmorphism-card .media-content .title {
    color: var(--text-color-headings);
}

.card-image, .image-container { /* image-container for STROGO rule */
    position: relative;
    overflow: hidden;
    width: 100%; /* Ensure it spans card width */
    /* Fixed height for image containers in cards as per STROGO */
    /* Example height, adjust per card type if needed */
}
.instructors-section .card-image, .instructors-section .image-container { height: 250px; }
.portfolio-section .card-image, .portfolio-section .image-container { height: 220px; }

.card-image img, .image-container img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover; /* STROGO rule */
    transition: transform var(--transition-smooth);
}
.card:hover .card-image img, .card:hover .image-container img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--spacing-lg);
    flex-grow: 1; /* Allow content to fill space */
    display: flex;
    flex-direction: column;
    /* text-align: center; /* STROGO - for centering content */
}
.card-content .title:not(:last-child), .card-content .subtitle:not(:last-child) {
    margin-bottom: var(--spacing-sm);
}
.card-content .content { /* Bulma's .content class */
    font-size: 0.95rem;
    line-height: 1.6;
}
.card-title { /* Custom class if not using Bulma's .title */
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-color-headings);
    margin-bottom: var(--spacing-sm);
}

/* Specific centered content for card text if needed */
.card .content.has-text-centered, .card-content.has-text-centered {
    text-align: center;
}
.card .media { /* For instructor cards with image avatar */
    align-items: center;
}

/* --- Vision, History, Community Sections --- */
/* These sections often have a two-column layout (image + text) */
.vision-section .content, .history-section .content, .community-section .content {
    font-size: 1.05rem;
}
.vision-section figure img, .history-section figure img, .community-section figure img {
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-card);
}

/* --- External Resources Section --- */
.external-resources-section .resource-list {
    list-style: none;
    padding: 0;
}
.external-resources-section .resource-item { /* Styled like a card */
    background: var(--background-color-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow-card);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}
.external-resources-section .resource-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lifted);
}
.external-resources-section .resource-item .title a {
    color: var(--primary-color);
}
.external-resources-section .resource-item .title a:hover {
    color: var(--primary-color-darker);
}
.external-resources-section .resource-item p {
    font-size: 0.9rem;
    color: var(--text-color-muted);
    margin-bottom: 0;
}

/* --- Contact Info Block (Above Footer) --- */
.contact-info-block {
    background-color: var(--background-color-soft-light);
}
.contact-details-box { /* Bulma .box or custom */
    background: var(--glass-background-light);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--glass-border-color-light);
    box-shadow: var(--glass-box-shadow);
    text-align: center; /* Center contact info text */
}
.contact-details-box p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color-body);
}
.contact-details-box strong {
    color: var(--text-color-headings);
}
.contact-details-box a {
    font-weight: var(--font-weight-semibold);
}

/* --- Footer --- */
.footer.glassmorphism-footer {
    background-color: var(--background-color-dark);
    color: var(--text-color-light);
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-xl);
}
.footer .title, .footer .footer-title { /* Bulma title in footer */
    color: var(--text-color-light) !important;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}
.footer p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}
.footer ul {
    list-style: none;
    padding-left: 0;
}
.footer li {
    margin-bottom: var(--spacing-sm);
}
.footer a {
    color: var(--secondary-color) !important;
    transition: color var(--transition-fast);
    font-size: 0.9rem;
}
.footer a:hover {
    color: var(--text-color-light) !important;
    text-decoration: underline;
}
.footer .logo-text {
    color: var(--text-color-light) !important;
}
.footer .logo-accent {
    color: var(--secondary-color) !important;
}
.footer .content.has-text-centered p { /* Copyright text */
    margin-top: var(--spacing-xl);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}
/* Footer social links (text-based) */
.footer .column:last-child ul { /* Assuming social links are in the last column */
    /* Add any specific styling if needed, but text links are already styled by general 'footer a' */
}

/* --- Policy Pages (Privacy, Terms) --- */
.page-header-section { /* Shared by about, contact, policy headers */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg);
}
.page-header-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5));
    z-index: 1;
}
.page-header-section .container {
    position: relative;
    z-index: 2;
}
.page-header-section .hero-title { /* Using hero-title class for consistency */
    color: var(--text-color-light) !important;
    font-size: 2.5rem;
}

/* Padding for policy page content to avoid header overlap */
body.privacy-page main, body.terms-page main,
body.cookie-policy-page main, body.refund-policy-page main {
    padding-top: 100px; /* Adjust if header height changes */
}
.privacy-page .section, .terms-page .section,
.cookie-policy-page .section, .refund-policy-page .section { /* For the main content section */
    padding-top: var(--spacing-xl); /* Ensure content starts below the page header image */
}
.content h2.section-title-sub, .content h3.title.is-4 { /* Policy subheadings */
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}
.content ul {
    list-style-position: inside;
    padding-left: var(--spacing-sm);
}

/* --- Success Page --- */
body.success-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.success-page-section {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
}
.success-page-section .container {
    max-width: 600px;
}
.success-page-section .image.is-128x128 {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
}
.success-page-section .title.is-1 {
    color: var(--secondary-color-darker); /* Success color */
    margin-bottom: var(--spacing-md);
}
.success-page-section .subtitle.is-4 {
    color: var(--text-color-muted);
    margin-bottom: var(--spacing-lg);
}
.success-page-section .buttons.is-centered {
    margin-top: var(--spacing-xl);
}

/* --- "Read More" Link Styling --- */
.read-more-link {
    display: inline-block;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}
.read-more-link::after {
    content: '→';
    display: inline-block;
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}
.read-more-link:hover {
    color: var(--primary-color-darker);
}
.read-more-link:hover::after {
    transform: translateX(3px);
}

/* --- Utility Classes --- */
.has-text-centered { text-align: center !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-xl { margin-top: var(--spacing-xl) !important; }
/* Add more as needed */

/* --- Responsive Adjustments --- */
@media screen and (max-width: 1023px) { /* Bulma tablet breakpoint */
    .navbar-menu {
        padding: var(--spacing-sm);
    }
    .section-title { font-size: 2rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.15rem; }

    /* Stack columns in sections */
    .columns.is-vcentered .column.is-half:first-child {
        margin-bottom: var(--spacing-xl); 
    }
}

@media screen and (max-width: 768px) { /* Bulma mobile breakpoint */
    html { font-size: 15px; }
    .section { padding: var(--spacing-xl) var(--spacing-md); }
    .section-title { font-size: 1.8rem; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    
    .button {
        padding: calc(var(--spacing-sm) * 0.9) calc(var(--spacing-lg) * 0.9);
        font-size: 0.95rem;
    }
    .button.is-large {
        padding: calc(var(--spacing-md) * 0.9) calc(var(--spacing-xl) * 0.9);
        font-size: 1.05rem;
    }

    /* Ensure columns stack properly in Bulma */
    .columns.is-mobile > .column.is-half {
        width: 100%; /* Override Bulma for stacking if needed, though usually not for .is-mobile */
    }
    .columns:not(.is-desktop) > .column.is-one-third { /* For instructor cards etc. */
        width: 100%;
        margin-bottom: var(--spacing-lg);
    }
     .columns:not(.is-desktop) > .column.is-one-third:last-child {
        margin-bottom: 0;
    }

    .footer .columns {
        text-align: center;
    }
    .footer .column {
        margin-bottom: var(--spacing-lg);
    }
}

/* Cookie Consent Popup - minimal styling as per request (mostly inline in HTML) */
#cookieConsentPopup p a:hover {
    color: #a0cfff !important; /* Lighter blue for hover on dark bg */
}
#acceptCookieButton:hover {
    background-color: var(--primary-color-darker) !important;
}
#closeCookiePopupButton:hover {
    background-color: rgba(255,255,255,0.1) !important;
    color: #fff !important;
}

/* Ensure body has a default background if not covered by a section */
body:not(.success-page) .main-container > main > section:first-of-type {
    /* No specific rule, sections define their own BG */
}
body:not(.success-page) .main-container > footer {
    margin-top: 0; /* Footer should directly follow last section */
}