/* style.css */

/* 
  ========================================
  ROOT VARIABLES & THEME
  ========================================
*/
:root {
    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Merriweather', serif;

    /* Core Colors - Futuristic Gradient Palette */
    --color-primary-deep-blue: #0A0F36; /* Deep, dark base */
    --color-primary-purple: #6A00F4;    /* Vibrant, energetic */
    --color-primary-pink: #F400A1;      /* Bold accent */
    --color-accent-cyan: #00F0FF;       /* Electric highlight, futuristic glow */
    --color-accent-lime: #AEFF00;       /* Secondary accent for pop */

    /* Text Colors */
    --color-text-light: #FFFFFF;
    --color-text-light-secondary: #E0E7FF; /* Slightly off-white for nuances */
    --color-text-dark: #333333;        /* Standard dark text for light backgrounds */
    --color-text-darker: #1A1A2E;       /* For strong headings on light backgrounds */
    --color-text-muted: #7A869A;        /* For less important text, subtitles */

    /* Backgrounds */
    --color-bg-light: #F4F7FC;          /* Clean light background */
    --color-bg-dark: var(--color-primary-deep-blue);
    --color-bg-card-light: #FFFFFF;
    --color-bg-card-dark-glass: rgba(20, 30, 70, 0.3); /* For glassmorphism on dark bg */

    /* Gradients */
    --gradient-main: linear-gradient(135deg, var(--color-primary-purple) 0%, var(--color-primary-pink) 100%);
    --gradient-hero-overlay: linear-gradient(to bottom, rgba(10, 15, 54, 0.65) 0%, rgba(26, 26, 46, 0.85) 100%);
    --gradient-contact-overlay: linear-gradient(135deg, rgba(106, 0, 244, 0.75) 0%, rgba(244, 0, 161, 0.6) 100%);
    --gradient-button-hover: linear-gradient(135deg, var(--color-primary-pink) 0%, var(--color-accent-cyan) 100%);

    /* Spacing & Sizing */
    --spacing-unit: 1rem; /* Base 16px */
    --header-height: 80px; /* Approximate, can be dynamic if needed */
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;
    --border-radius-pill: 50px;

    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Non-linear example */
    --transition-slow: 0.6s ease-in-out;

    /* Shadows */
    --shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 25px rgba(10, 15, 54, 0.1);
    --shadow-strong-accent: 0 5px 20px rgba(var(--color-primary-purple-rgb, 106, 0, 244), 0.3); /* Define --color-primary-purple-rgb if used */
}

/* 
  ========================================
  BASIC RESET & GLOBAL STYLES
  ========================================
*/
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%; /* Typically 16px */
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    line-height: 1.65;
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    overflow-x: hidden; /* Prevent horizontal scrollbars */
}

/* For Barba.js page transitions */
body[data-barba="wrapper"] {
    position: relative; /* Needed for some transition types */
}

/*
  ========================================
  TYPOGRAPHY
  ========================================
*/
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-darker);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); font-weight: 900; } /* Responsive font size */
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-unit);
    max-width: 75ch; /* Optimal reading line length */
}

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

.text-light { color: var(--color-text-light) !important; }
.text-dark { color: var(--color-text-dark) !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 3);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    padding-bottom: calc(var(--spacing-unit) * 0.75);
}
/* Futuristic underline for section titles */
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-main);
    border-radius: var(--border-radius-pill);
}
.section-title.on-dark-bg { color: var(--color-text-light); text-shadow: 0 1px 3px rgba(0,0,0,0.3); }
.section-title.on-dark-bg::after { background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-primary-pink)); }


.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-top: calc(var(--spacing-unit) * -2); /* Pull up under title */
    margin-bottom: calc(var(--spacing-unit) * 3);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.section-subtitle.on-dark-bg { color: var(--color-text-light-secondary); }

/* "Read More" style links */
.read-more-link {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary-purple);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}
.read-more-link:hover, .read-more-link:focus {
    color: var(--color-primary-pink);
    border-bottom-color: var(--color-primary-pink);
    text-decoration: none;
}
.read-more-link::after { /* Optional arrow */
    content: ' →';
    display: inline-block;
    transition: transform var(--transition-fast);
}
.read-more-link:hover::after, .read-more-link:focus::after {
    transform: translateX(4px);
}

/*
  ========================================
  LAYOUT & CONTAINER
  ========================================
*/
.container {
    width: 90%;
    max-width: 1200px; /* Standard max width */
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-unit);
    padding-right: var(--spacing-unit);
}

.section {
    padding-top: calc(var(--spacing-unit) * 4);
    padding-bottom: calc(var(--spacing-unit) * 4);
    position: relative; /* For pseudo-elements or absolute positioning inside */
}
.section:nth-child(even) {
    background-color: var(--color-bg-card-light); /* Subtle alternation */
}

/*
  ========================================
  BUTTONS (GLOBAL STYLES)
  ========================================
*/
.btn, button, input[type="submit"], input[type="button"] {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: calc(var(--spacing-unit) * 0.9) calc(var(--spacing-unit) * 2.2);
    border-radius: var(--border-radius-pill);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-medium); /* Non-linear transition */
    position: relative;
    overflow: hidden; /* For pseudo-element effects */
    z-index: 1;
}
.btn::before, button::before, input[type="submit"]::before, input[type="button"]::before { /* For hover effects */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-button-hover);
    transition: width var(--transition-medium);
    z-index: -1;
    border-radius: var(--border-radius-pill);
}

.btn:hover::before, button:hover::before, input[type="submit"]:hover::before, input[type="button"]:hover::before {
    width: 100%;
}

.btn:active, button:active, input[type="submit"]:active, input[type="button"]:active {
    transform: translateY(1px) scale(0.98);
}

.button-primary {
    background: var(--gradient-main);
    color: var(--color-text-light);
    box-shadow: var(--shadow-strong-accent);
}
.button-primary:hover, .button-primary:focus {
    color: var(--color-text-light); /* Text color remains light as background changes */
    box-shadow: 0 8px 25px rgba(var(--color-primary-purple-rgb, 106, 0, 244), 0.4);
    transform: translateY(-3px) scale(1.03);
    text-decoration: none;
}

.button-secondary {
    background-color: transparent;
    color: var(--color-primary-purple);
    border-color: var(--color-primary-purple);
}
.button-secondary:hover, .button-secondary:focus {
    color: var(--color-text-light); /* Text color changes as background fills */
    border-color: transparent; /* Border disappears as background fills */
    transform: translateY(-2px);
    text-decoration: none;
}
.button-secondary.on-dark-bg {
    color: var(--color-accent-cyan);
    border-color: var(--color-accent-cyan);
}
.button-secondary.on-dark-bg:hover, .button-secondary.on-dark-bg:focus {
    color: var(--color-primary-deep-blue);
}
.button-secondary.on-dark-bg::before {
    background: var(--color-accent-cyan);
}


/*
  ========================================
  HEADER & NAVIGATION
  ========================================
*/
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: calc(var(--spacing-unit) * 0.75) 0;
    background-color: rgba(10, 15, 54, 0.85); /* Semi-transparent dark blue */
    backdrop-filter: blur(12px); /* Glassmorphism */
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-fast), padding var(--transition-fast);
}
/* Add class on scroll for smaller header */
.site-header.scrolled {
    padding: calc(var(--spacing-unit) * 0.5) 0;
    background-color: rgba(10, 15, 54, 0.95);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-text-light);
    text-decoration: none;
    transition: transform var(--transition-fast);
}
.logo span {
    color: var(--color-primary-pink);
}
.logo:hover, .logo:focus {
    transform: scale(1.05);
    color: var(--color-text-light);
    text-decoration: none;
}

.main-nav .nav-list {
    list-style: none;
    display: flex;
    gap: calc(var(--spacing-unit) * 1.8);
}
.main-nav .nav-list a {
    color: var(--color-text-light-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    padding: 0.5rem 0;
    position: relative;
    letter-spacing: 0.8px;
    transition: color var(--transition-fast);
}
.main-nav .nav-list a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2.5px;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--color-primary-pink), var(--color-accent-cyan));
    border-radius: var(--border-radius-pill);
    transition: width 0.4s cubic-bezier(0.23, 1, 0.32, 1); /* Non-linear expansion */
}
.main-nav .nav-list a:hover,
.main-nav .nav-list a.active, /* For current page indication */
.main-nav .nav-list a:focus {
    color: var(--color-text-light);
    text-decoration: none;
}
.main-nav .nav-list a:hover::after,
.main-nav .nav-list a.active::after,
.main-nav .nav-list a:focus::after {
    width: 100%;
}

.nav-toggle { /* Burger Menu */
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001; /* Above nav list when closed */
}
.nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-text-light);
    margin: 6px 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55); /* Bouncy transition */
    border-radius: var(--border-radius-pill);
}
/* Burger to X animation */
.nav-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    /*opacity: 0;*/
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/*
  ========================================
  HERO SECTION
  ========================================
*/
.hero-section {
    min-height: 100vh; /* Full viewport height */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: var(--color-text-light); /* IMPORTANT: Hero text must be white */
    padding-top: var(--header-height); /* Account for fixed header */
    overflow: hidden; /* For parallax or animation effects */
}
.hero-overlay { /* Dark overlay for text readability on image */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero-overlay);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
    padding: 0 var(--spacing-unit);
}
.hero-title {
    color: var(--color-text-light) !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    margin-bottom: calc(var(--spacing-unit) * 1.2);
}
.hero-subtitle {
    color: var(--color-text-light-secondary) !important;
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    margin-bottom: calc(var(--spacing-unit) * 2.5);
    line-height: 1.7;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.hero-section .button-primary {
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2.8);
    font-size: 1.05rem;
}

/*
  ========================================
  CARDS (GLOBAL & SECTION-SPECIFIC)
  ========================================
*/
.card {
    background-color: var(--color-bg-card-light);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex; /* STRICT: For centering content */
    flex-direction: column; /* STRICT: For centering content */
    text-align: center; /* STRICT: Center text content within card */
}
.card:hover {
    transform: translateY(-8px) scale(1.02); /* Non-linear pop */
    box-shadow: 0 12px 35px rgba(10, 15, 54, 0.15);
}

.card-image { /* Container for the image */
    width: 100%;
    /* STRICT: Fixed height for image containers in cards */
    height: 200px; /* Adjust as needed for different card types, or use aspect-ratio */
    overflow: hidden;
    margin: 0 auto; /* Center block element if not full width */
    display: flex; /* For centering img if it's smaller than container */
    align-items: center;
    justify-content: center;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* STRICT: Ensure image covers and is centered */
    display: block; /* Remove extra space below image */
    transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1); /* Smooth zoom */
}
.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: calc(var(--spacing-unit) * 1.8);
    flex-grow: 1; /* Allows content to fill remaining space */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Distribute space if card heights vary */
}
.card-content h3 {
    font-size: 1.5rem;
    color: var(--color-primary-purple);
    margin-bottom: calc(var(--spacing-unit) * 0.75);
}
.card-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-unit);
}
.card-content .button-secondary {
    margin-top: auto; /* Pushes button to the bottom of the card */
    align-self: center; /* Center button if text-align:center on card */
}

/* Specific card types */
.instructor-card .card-image, .profile-card .card-image {
    height: 280px; /* Taller for portraits */
    border-radius: var(--border-radius-large) var(--border-radius-large) 0 0; /* Match card */
}
.instructor-name, .profile-name {
    font-size: 1.6rem;
}
.instructor-specialization, .profile-title {
    font-family: var(--font-heading);
    color: var(--color-primary-pink);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-unit);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Grids for cards */
.instructors-grid, .webinars-grid, .events-slider /* events-slider might be JS controlled */ {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Responsive columns */
    gap: calc(var(--spacing-unit) * 2.5);
}


/*
  ========================================
  EVENTS CALENDAR SECTION
  ========================================
*/
.event-item .card-image { height: 220px; }
.event-title { color: var(--color-primary-purple); }
.event-date, .event-time, .event-location {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: calc(var(--spacing-unit) * 0.4);
    font-family: var(--font-body);
}
.event-date::before, .event-time::before, .event-location::before { /* Simple icons using pseudo-elements */
    font-family: 'Arial'; /* Or an icon font if available */
    margin-right: 8px;
    color: var(--color-primary-pink);
}
.event-date::before { content: '📅'; }
.event-time::before { content: '🕒'; }
.event-location::before { content: '📍'; }

/*
  ========================================
  WEBINARS SECTION
  ========================================
*/
.webinar-card .card-image { height: 200px; }
.webinar-title { color: var(--color-primary-purple); }
.webinar-speaker, .webinar-date {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/*
  ========================================
  MEDIA (GALLERY) SECTION
  ========================================
*/
.media-section { background-color: var(--color-bg-dark); } /* Example of dark section */
.media-section .section-title, .media-section .section-subtitle {
    color: var(--color-text-light);
}
.media-section .section-title::after {
    background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-primary-pink));
}

.image-gallery {
    display: grid;
    /* Asymmetric balance example: repeat(5, 1fr) allows for spanning items */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-auto-rows: 200px; /* Control row height for masonry-like effect */
    grid-auto-flow: dense; /* Allows items to fill gaps */
    gap: var(--spacing-unit);
}
.gallery-item {
    overflow: hidden;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium), filter var(--transition-medium);
    position: relative; /* For overlay effects */
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    filter: brightness(1.1);
    z-index: 5; /* Bring to front on hover */
}
.gallery-item:hover img {
    transform: scale(1.15);
}
/* Example of asymmetric item spanning (would need specific classes on items) */
.gallery-item.span-2-col { grid-column: span 2; }
.gallery-item.span-2-row { grid-row: span 2; height: calc(400px + var(--spacing-unit)); } /* 2x row height + gap */


/*
  ========================================
  EXTERNAL RESOURCES SECTION
  ========================================
*/
.resources-list {
    display: grid;
    grid-template-columns: 1fr; /* Single column list */
    gap: calc(var(--spacing-unit) * 1.5);
}
.resource-item.card { /* Re-use card style but adapt padding */
    padding: calc(var(--spacing-unit) * 1.8);
    text-align: left; /* Override card's text-align: center */
    flex-direction: column; /* Ensure content flows top to bottom */
    align-items: flex-start; /* Align content to the start */
}
.resource-item.card:hover {
    transform: translateX(5px); /* Subtle shift */
}
.resource-title {
    font-size: 1.3rem;
    margin-bottom: calc(var(--spacing-unit) * 0.5);
}
.resource-title a {
    color: var(--color-primary-purple);
    transition: color var(--transition-fast);
}
.resource-title a:hover {
    color: var(--color-primary-pink);
    text-decoration: none;
}
.resource-description {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}


/*
  ========================================
  FAQ SECTION
  ========================================
*/
.faq-accordion {
    max-width: 850px;
    margin: 0 auto;
}
.faq-item {
    background-color: var(--color-bg-card-light);
    margin-bottom: var(--spacing-unit);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-soft);
    border: 1px solid #e0e0e0;
    transition: box-shadow var(--transition-fast);
}
.faq-item:hover {
    box-shadow: var(--shadow-medium);
}
.faq-question {
    width: 100%;
    background-color: transparent;
    border: none;
    padding: calc(var(--spacing-unit) * 1.2) calc(var(--spacing-unit) * 1.5);
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-darker);
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}
.faq-question:hover {
    background-color: rgba(var(--color-primary-purple-rgb, 106,0,244), 0.05);
}
.faq-question::after { /* Arrow icon */
    /*content: '+'; !* Plus icon *!*/
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary-purple);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55); /* Bouncy */
}
.faq-item.active .faq-question::after {
    transform: rotate(135deg); /* To 'x' */
}
.faq-answer {
    padding: 0 calc(var(--spacing-unit) * 1.5);
    font-size: 0.95rem;
    color: var(--color-text-muted);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                padding 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.faq-item.active .faq-answer {
    max-height: 500px; /* Adjust as needed based on content length */
    padding-top: var(--spacing-unit);
    padding-bottom: calc(var(--spacing-unit) * 1.5);
}

/*
  ========================================
  CONTACT SECTION
  ========================================
*/
.contact-section {
    position: relative;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: calc(var(--spacing-unit) * 5) 0;
    color: var(--color-text-light);
}
.contact-overlay { /* Dark overlay for readability */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-contact-overlay);
    z-index: 1;
}
.contact-container {
    position: relative;
    z-index: 2;
    max-width: 750px;
    text-align: center;
}
.contact-section .section-title, .contact-section .section-subtitle {
    color: var(--color-text-light) !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.contact-section .section-title::after {
     background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-text-light));
}

.contact-form {
    margin-top: calc(var(--spacing-unit) * 2.5);
    text-align: left;
}
.form-group {
    margin-bottom: calc(var(--spacing-unit) * 1.8);
}
.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 0.6);
    color: var(--color-text-light-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--border-radius-medium);
    background-color: rgba(255, 255, 255, 0.08); /* Subtle glassmorphism */
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
    caret-color: var(--color-accent-cyan); /* Futuristic caret */
}
.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-cyan);
    background-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-cyan-rgb, 0, 240, 255), 0.3); /* Define --color-accent-cyan-rgb if used */
}
.contact-form .button-primary {
    display: block;
    width: 100%;
    padding: calc(var(--spacing-unit) * 1.1) 0;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-primary-pink)); /* Brighter button for contact */
}
.contact-form .button-primary:hover {
     background: linear-gradient(135deg, var(--color-primary-pink), var(--color-accent-cyan));
}

/*
  ========================================
  FOOTER
  ========================================
*/
.site-footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light-secondary);
    padding: calc(var(--spacing-unit) * 3.5) 0 calc(var(--spacing-unit) * 1.5) 0;
    font-size: 0.9rem;
}
.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* Responsive columns */
    gap: calc(var(--spacing-unit) * 2.5);
    margin-bottom: calc(var(--spacing-unit) * 2.5);
}
.site-footer h4 {
    font-family: var(--font-heading);
    color: var(--color-text-light);
    font-size: 1.15rem;
    margin-bottom: calc(var(--spacing-unit) * 1.2);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    position: relative;
    padding-bottom: calc(var(--spacing-unit) * 0.5);
}
.site-footer h4::after { /* Underline for footer headings */
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-primary-pink);
}
.site-footer ul {
    list-style: none;
    padding: 0;
}
.site-footer ul li {
    margin-bottom: calc(var(--spacing-unit) * 0.7);
}
.site-footer ul li a {
    color: var(--color-text-light-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.site-footer ul li a:hover, .site-footer ul li a:focus {
    color: var(--color-accent-cyan);
    padding-left: 5px; /* Subtle indent on hover */
    text-decoration: none;
}
.footer-social ul {
    display: flex;
    gap: var(--spacing-unit); /* For horizontal social links */
}
.footer-social ul li a { /* Styling text-based social links */
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.footer-contact-info p {
    margin-bottom: calc(var(--spacing-unit) * 0.6);
    line-height: 1.5;
}
.footer-contact-info a {
    color: var(--color-text-light-secondary);
}
.footer-contact-info a:hover, .footer-contact-info a:focus {
     color: var(--color-accent-cyan);
}
.footer-copyright {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 2);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/*
  ========================================
  PAGE-SPECIFIC STYLES
  ========================================
*/
/* For about, terms, privacy, etc. pages to prevent header overlap */
.page-content .section {
    padding-top: calc(var(--header-height) + var(--spacing-unit) * 2.5);
    background-color: var(--color-bg-light); /* Ensure light bg for these text-heavy pages */
}
.page-content .section-title {
    color: var(--color-text-darker);
}
.page-content .section-title::after { /* Standard gradient for light bg titles */
    background: var(--gradient-main);
}
.page-content .content-text {
    max-width: 800px;
    margin: 0 auto;
    color: var(--color-text-dark);
}
.page-content .content-text h2 {
    font-size: 1.8rem;
    color: var(--color-text-darker);
    margin-top: calc(var(--spacing-unit) * 2.5);
    margin-bottom: var(--spacing-unit);
}
.page-content .content-text ul {
    list-style-position: outside;
    padding-left: calc(var(--spacing-unit) * 1.5);
    margin-bottom: var(--spacing-unit);
}
.page-content .content-text li {
    margin-bottom: calc(var(--spacing-unit) * 0.6);
}

/* Success Page */
body[data-barba-namespace="success"] main.page-content, /* If Barba is used */
.success-message-section { /* Fallback if not in Barba context or for direct load */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height); /* Account for fixed header */
    background: var(--gradient-main); /* Use a pleasant gradient */
}
.success-message-section .container {
    background-color: rgba(255,255,255,0.9); /* Light card on gradient */
    padding: calc(var(--spacing-unit) * 3);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    max-width: 600px;
}
.success-message-section .section-title {
    color: var(--color-primary-purple);
}
.success-message-section .section-title::after {
    background: var(--color-primary-pink);
}
.success-message-section .content-text p {
    color: var(--color-text-dark);
    font-size: 1.1rem;
}
.success-icon {
    font-size: 5rem !important; /* Ensure override */
    color: var(--color-accent-lime) !important; /* Bright success color */
    line-height: 1;
    margin-bottom: var(--spacing-unit) !important;
    text-shadow: 0 0 15px rgba(var(--color-accent-lime-rgb, 174, 255, 0), 0.5); /* Define --color-accent-lime-rgb if used */
}
.success-message-section .button-primary {
    background: var(--color-primary-purple); /* Solid color for contrast on light card */
}
.success-message-section .button-primary:hover {
    background: var(--color-primary-pink);
}

/* Cookie Consent Popup (from HTML, basic styling here for completeness) */
#cookieConsentPopup {
    font-size: 0.95em !important; /* Ensure it's not too small */
}
#cookieConsentPopup p {
    font-size: 1em; /* Relative to parent */
    color: var(--color-text-light-secondary);
}
#cookieConsentPopup a {
    color: var(--color-accent-cyan) !important;
}
#acceptCookieButton {
    background-color: var(--color-primary-purple) !important;
    padding: 10px 20px !important;
    font-size: 0.95em !important;
}
#acceptCookieButton:hover {
    background-color: var(--color-primary-pink) !important;
}

/*
  ========================================
  ANIMATIONS & TRANSITIONS (from script.js)
  ========================================
*/
.animate-on-scroll {
    /*opacity: 0;*/
    transform: translateY(40px) scale(0.98); /* Start slightly scaled down and moved */
    transition: opacity 0.7s var(--transition-medium), transform 0.7s var(--transition-medium);
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Barba.js Transition Placeholders (visuals for transitions) */
.barba-leave-active,
.barba-enter-active {
  transition: opacity 0.4s ease-in-out; /* Example timing */
}
.barba-leave-to, /* State when leaving */
.barba-enter-from { /* State when entering */
  opacity: 0;
  /* transform: translateY(20px); /* Example: slight vertical movement */
}


/*
  ========================================
  RESPONSIVE DESIGN
  ========================================
*/
@media (max-width: 992px) { /* Tablet and below */
    .instructors-grid, .webinars-grid, .events-slider {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .image-gallery {
        grid-auto-rows: 180px;
    }
    .gallery-item.span-2-row { height: calc(360px + var(--spacing-unit)); }
}

@media (max-width: 768px) { /* Mobile */
    .section-title { font-size: clamp(1.8rem, 5vw, 2.2rem); }
    .hero-title { font-size: clamp(2.2rem, 7vw, 3rem); }
    .hero-subtitle { font-size: clamp(1rem, 4vw, 1.15rem); }

    /* Mobile Navigation */
    .main-nav .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: calc(var(--header-height) - 1px); /* Align with bottom of header, adjust if header padding changes */
        left: 0;
        width: 100%;
        background-color: rgba(10, 15, 54, 0.98); /* Darker, more solid for mobile menu */
        padding: var(--spacing-unit) 0;
        box-shadow: 0 8px 15px rgba(0,0,0,0.2);
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .main-nav .nav-list.active {
        display: flex;
    }
    .main-nav .nav-list li {
        text-align: center;
        width: 100%;
    }
    .main-nav .nav-list a {
        display: block;
        padding: calc(var(--spacing-unit) * 1) var(--spacing-unit);
        width: 100%;
        font-size: 1rem;
    }
    .main-nav .nav-list a::after { display: none; } /* No underline animation for mobile list */
    .main-nav .nav-list a:hover, .main-nav .nav-list a:focus {
        background-color: rgba(var(--color-primary-pink-rgb, 244,0,161), 0.15); /* Subtle hover */
    }

    .nav-toggle { display: block; }
    
    .footer-container {
        grid-template-columns: 1fr; /* Stack columns */
        text-align: center;
    }
    .footer-container > div {
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    .site-footer h4::after { /* Center underline for footer headings on mobile */
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-social ul {
        justify-content: center;
    }

    .image-gallery {
        grid-template-columns: 1fr; /* Single column on small mobile */
        grid-auto-rows: 250px;
    }
    /* Reset spans for mobile if they cause issues */
    .gallery-item.span-2-col, .gallery-item.span-2-row { 
        grid-column: span 1; 
        grid-row: span 1;
        height: 250px;
    }
}
.nav-toggle{
    display: none;
}