/* style.css */

/* -------------------------------------------------------------------------- */
/*                               CSS Variables                                */
/* -------------------------------------------------------------------------- */
:root {
    /* Fonts */
    --font-heading: 'Archivo Black', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Colors - Complementary Retro Dark Theme */
    --color-background: #12121A; /* Very Dark Blue/Almost Black */
    --color-surface-primary: #1A1A2E; /* Deep Indigo/Dark Space Blue for primary surfaces */
    --color-surface-secondary: #2C2C44; /* Slightly Lighter for cards/elements */
    
    --color-primary-accent: #FF4081; /* Vibrant Retro Pink */
    --color-primary-accent-hover: #E0306F; /* Darker Pink for hover */
    --color-primary-accent-rgb: 255, 64, 129;

    --color-secondary-accent: #00E5FF; /* Retro Cyan/Teal */
    --color-secondary-accent-hover: #00C0D9; /* Darker Cyan for hover */
    --color-secondary-accent-rgb: 0, 229, 255;

    --color-text-primary: #F0F0F5; /* Off-White/Very Light Grey */
    --color-text-secondary: #A0A0B5; /* Light Grey for less emphasis */
    --color-text-headings: #FFFFFF; /* Pure White for headings */
    --color-text-link: var(--color-secondary-accent);
    --color-text-link-hover: var(--color-primary-accent);

    --color-border: rgba(var(--color-secondary-accent-rgb), 0.25);
    --color-input-bg: rgba(255, 255, 255, 0.05);
    --color-input-border: rgba(var(--color-secondary-accent-rgb), 0.3);
    --color-input-focus-border: var(--color-secondary-accent);

    /* Spacing & Layout */
    --container-width: 1200px;
    --spacing-unit: 1rem; /* approx 16px */
    --header-height: 80px; 
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;

    /* Transitions */
    --transition-speed-fast: 0.2s;
    --transition-speed-normal: 0.3s;
    --transition-easing: ease-in-out;
}

/* -------------------------------------------------------------------------- */
/*                               Global Resets & Base Styles                  */
/* -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 100%; /* 16px base */
    line-height: 1.6;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.site-wrapper {
    overflow-x: hidden; /* To contain animations and prevent scroll */
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-headings);
    margin-bottom: calc(var(--spacing-unit) * 1);
    line-height: 1.2;
    text-wrap: balance; /* Balances text lines for headings */
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); } /* Adaptive font size */
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }

p {
    margin-bottom: var(--spacing-unit);
    color: var(--color-text-secondary);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
}

a {
    color: var(--color-text-link);
    text-decoration: none;
    transition: color var(--transition-speed-fast) var(--transition-easing);
}

a:hover, a:focus {
    color: var(--color-text-link-hover);
    text-decoration: underline;
}

ul, ol {
    list-style: none;
    padding-left: 0;
}

/* -------------------------------------------------------------------------- */
/*                               Layout                                       */
/* -------------------------------------------------------------------------- */
.container {
    width: 90%;
    max-width: var(--container-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 parallax or absolute positioned children */
}
.section:nth-child(even) {
    background-color: var(--color-surface-primary);
}

.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2.5);
    color: var(--color-text-headings);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--color-text-secondary);
}

.page-content {
    padding-top: calc(var(--header-height) + var(--spacing-unit) * 2); /* For fixed header */
    padding-bottom: calc(var(--spacing-unit) * 4);
}
.privacy-page .page-content,
.terms-page .page-content {
     padding-top: calc(var(--header-height) + var(--spacing-unit) * 2.5); /* Explicit for these pages */
}

/* -------------------------------------------------------------------------- */
/*                                  Header                                    */
/* -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(18, 18, 26, 0.85); /* Dark, slightly transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    padding-top: calc(var(--spacing-unit) * 0.75);
    padding-bottom: calc(var(--spacing-unit) * 0.75);
    height: var(--header-height);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-text-headings);
    text-decoration: none;
}
.logo:hover {
    text-decoration: none;
}

.logo-accent {
    color: var(--color-primary-accent);
}

.nav-links {
    display: flex;
    gap: calc(var(--spacing-unit) * 1.5);
}

.main-nav .nav-links a {
    color: var(--color-text-primary);
    font-weight: 500;
    padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 0.75);
    border-radius: var(--border-radius-small);
    transition: background-color var(--transition-speed-fast) var(--transition-easing), color var(--transition-speed-fast) var(--transition-easing);
}

.main-nav .nav-links a:hover,
.main-nav .nav-links a:focus,
.main-nav .nav-links li.active a {
    color: var(--color-primary-accent);
    background-color: rgba(var(--color-primary-accent-rgb), 0.1);
    text-decoration: none;
}

.nav-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: calc(var(--spacing-unit) * 0.5);
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    position: relative;
    transition: transform var(--transition-speed-normal) var(--transition-easing);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-speed-normal) var(--transition-easing), top var(--transition-speed-normal) var(--transition-easing);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Mobile Menu Open State */
.nav-open .hamburger {
    background-color: transparent; /* Middle bar disappears */
}
.nav-open .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}
.nav-open .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* -------------------------------------------------------------------------- */
/*                                  Footer                                    */
/* -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-surface-primary);
    color: var(--color-text-secondary);
    padding-top: calc(var(--spacing-unit) * 3);
    padding-bottom: calc(var(--spacing-unit) * 1.5);
    border-top: 2px solid var(--color-border);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.site-footer h4 {
    font-family: var(--font-heading);
    color: var(--color-text-headings);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-unit);
}

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

.site-footer ul li {
    margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.site-footer ul li a {
    color: var(--color-text-secondary);
    transition: color var(--transition-speed-fast) var(--transition-easing);
}

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

.social-links-text a {
    display: inline-block; /* For better spacing if needed */
    padding: 2px 0;
}

.footer-bottom {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 1.5);
    border-top: 1px solid rgba(var(--color-text-secondary-rgb, 160, 160, 176), 0.2);
    font-size: 0.9rem;
}

/* -------------------------------------------------------------------------- */
/*                             Global Components                              */
/* -------------------------------------------------------------------------- */

/* --- Buttons --- */
.cta-button,
.cta-button-secondary,
button[type="submit"],
input[type="submit"] { /* General button styling */
    display: inline-block;
    padding: calc(var(--spacing-unit) * 0.8) calc(var(--spacing-unit) * 1.8);
    font-family: var(--font-heading);
    font-size: clamp(0.9rem, 1.8vw, 1.1rem);
    font-weight: normal; /* Archivo Black is already bold */
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-medium);
    cursor: pointer;
    transition: transform var(--transition-speed-fast) var(--transition-easing),
                background-color var(--transition-speed-fast) var(--transition-easing),
                color var(--transition-speed-fast) var(--transition-easing),
                box-shadow var(--transition-speed-fast) var(--transition-easing);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden; /* For morphing effects */
}

.cta-button::before,
.cta-button-secondary::before { /* For potential morph effects */
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-speed-normal) var(--transition-easing), height var(--transition-speed-normal) var(--transition-easing);
    z-index: 0;
}

.cta-button:hover::before,
.cta-button-secondary:hover::before {
    width: 250%; /* Expand to cover button */
    height: 250%;
}

.cta-button span,
.cta-button-secondary span { /* If text is wrapped in span */
    position: relative;
    z-index: 1;
}

.cta-button {
    background-color: var(--color-primary-accent);
    color: var(--color-text-headings);
    border-color: var(--color-primary-accent);
}

.cta-button:hover, .cta-button:focus {
    background-color: var(--color-primary-accent-hover);
    border-color: var(--color-primary-accent-hover);
    color: var(--color-text-headings);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 15px rgba(var(--color-primary-accent-rgb), 0.4);
    text-decoration: none;
}

.cta-button-secondary {
    background-color: transparent;
    color: var(--color-secondary-accent);
    border: 2px solid var(--color-secondary-accent);
}

.cta-button-secondary:hover, .cta-button-secondary:focus {
    background-color: rgba(var(--color-secondary-accent-rgb), 0.15);
    color: var(--color-secondary-accent-hover);
    border-color: var(--color-secondary-accent-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 15px rgba(var(--color-secondary-accent-rgb), 0.2);
    text-decoration: none;
}

/* --- Forms --- */
.form-group {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.form-group label {
    display: block;
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 0.75);
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-input-border);
    border-radius: var(--border-radius-small);
    color: var(--color-text-primary);
    transition: border-color var(--transition-speed-fast) var(--transition-easing), box-shadow var(--transition-speed-fast) var(--transition-easing);
}

.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group input[type="tel"]::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-input-focus-border);
    box-shadow: 0 0 0 3px rgba(var(--color-secondary-accent-rgb), 0.2);
}

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

/* --- Cards --- */
.card {
    background-color: var(--color-surface-secondary);
    border-radius: var(--border-radius-medium);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: transform var(--transition-speed-normal) var(--transition-easing), box-shadow var(--transition-speed-normal) var(--transition-easing);
    display: flex;
    flex-direction: column;
    /* align-items: center; /* Content inside card-content will be centered by its own text-align */
    height: 100%; /* For consistent height in grids */
}

.card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 10px 25px rgba(var(--color-primary-accent-rgb), 0.15);
}

.card-image { /* Container for the image */
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    overflow: hidden;
    display: flex; /* For centering if image is smaller, though object-fit handles it */
    justify-content: center;
    align-items: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Crucial for consistent image display */
    display: block;
    margin: 0 auto; /* Ensure centering if aspect ratio doesn't match container */
    transition: transform var(--transition-speed-normal) var(--transition-easing);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: calc(var(--spacing-unit) * 1.5);
    text-align: center; /* Center text content within card */
    flex-grow: 1; /* Allows card content to take remaining space */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Pushes content and potential button to top/bottom */
}

.card-content h3 {
    color: var(--color-text-headings);
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    font-size: clamp(1.3rem, 2.5vw, 1.6rem);
}

.card-content p {
    color: var(--color-text-secondary);
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    margin-bottom: var(--spacing-unit);
}
.card-content .post-meta {
    font-size: 0.85rem;
    color: var(--color-secondary-accent);
    margin-bottom: calc(var(--spacing-unit) * 0.5);
}
.card-content .instructor-specialty {
    font-style: italic;
    color: var(--color-primary-accent);
    margin-bottom: var(--spacing-unit);
    font-weight: 500;
}
.card-content blockquote {
    font-style: italic;
    color: var(--color-text-primary);
    border-left: 3px solid var(--color-primary-accent);
    padding-left: var(--spacing-unit);
    margin-bottom: var(--spacing-unit);
}
.card-content cite {
    display: block;
    text-align: right;
    font-size: 0.9em;
    color: var(--color-secondary-accent);
}

/* -------------------------------------------------------------------------- */
/*                            Section-Specific Styles                         */
/* -------------------------------------------------------------------------- */

/* --- Hero Section --- */
.hero-section {
    min-height: 85vh; /* Using vh for hero is usually fine */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative; /* For overlay */
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: calc(var(--spacing-unit) * 4) var(--spacing-unit);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 18, 26, 0.7), rgba(18, 18, 26, 0.5)); /* Darkening gradient */
    z-index: 1;
}

.hero-content {
    position: relative; /* Above overlay */
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    color: var(--color-text-headings); /* IMPORTANT: white text as per prompt */
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    margin-bottom: var(--spacing-unit);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
}

.hero-subtitle {
    color: var(--color-text-primary); /* IMPORTANT: light text */
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: calc(var(--spacing-unit) * 2);
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}

/* --- Methodology Section (Accordion) --- */
.accordion-container {
    max-width: 800px;
    margin: 0 auto calc(var(--spacing-unit) * 2) auto;
}
.accordion-item {
    background-color: var(--color-surface-secondary);
    margin-bottom: var(--spacing-unit);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--color-border);
    overflow: hidden;
}
.accordion-header {
    background-color: transparent;
    color: var(--color-text-headings);
    cursor: pointer;
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 1.1rem;
    font-family: var(--font-heading);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-speed-fast) var(--transition-easing);
}
.accordion-header:hover {
    background-color: rgba(var(--color-primary-accent-rgb), 0.1);
}
.accordion-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-speed-normal) var(--transition-easing);
    color: var(--color-primary-accent);
}
.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}
.accordion-content {
    padding: 0 calc(var(--spacing-unit) * 1.5);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed-normal) var(--transition-easing), padding var(--transition-speed-normal) var(--transition-easing);
}
.accordion-content p {
    padding: var(--spacing-unit) 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}
.accordion-item.active .accordion-content {
    max-height: 500px; /* Adjust as needed */
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
}
.visual-separator img {
    border-radius: var(--border-radius-medium);
    margin-top: calc(var(--spacing-unit) * 2);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* --- Process Section --- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
}
.process-step .card-image img {
    border-bottom: 3px solid var(--color-primary-accent);
}

/* --- Instructors Section --- */
.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
}
.instructor-card .card-image {
    height: 300px; /* Specific height for instructor portraits */
}
.instructor-card .card-image img {
    border-radius: 50%; /* Circular instructor images */
    width: 180px; /* Specific size for circular image */
    height: 180px;
    margin-top: var(--spacing-unit);
    border: 4px solid var(--color-secondary-accent);
    box-shadow: 0 0 15px rgba(var(--color-secondary-accent-rgb), 0.3);
}

/* --- Success Stories Section --- */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
}
.story-card .card-content {
    text-align: left; /* Testimonials often look better left-aligned */
}

/* --- Research Section --- */
.research-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 2);
    align-items: center;
}
.research-item img {
    border-radius: var(--border-radius-medium);
    margin-bottom: var(--spacing-unit);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}
.research-links h4 {
    color: var(--color-secondary-accent);
    margin-top: var(--spacing-unit);
}
.research-links ul li a {
    color: var(--color-text-primary);
}
.research-links ul li a:hover {
    color: var(--color-primary-accent);
}

/* --- Accolades Section --- */
.accolades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    align-items: start; /* Align items to the start of the cell */
    text-align: center;
}
.accolade-item {
    padding: var(--spacing-unit);
    background-color: var(--color-surface-secondary);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--color-border);
}
.accolade-item img {
    max-height: 80px; /* Control logo/badge size */
    width: auto;
    margin: 0 auto var(--spacing-unit) auto;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.2));
}
.accolade-item h4 {
    font-size: 1.1rem;
    color: var(--color-text-headings);
}
.accolade-item p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}


/* --- Blog Section --- */
.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
}
.read-more-button {
    display: inline-block;
    margin-top: var(--spacing-unit);
    color: var(--color-primary-accent);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}
.read-more-button:hover {
    color: var(--color-primary-accent-hover);
    text-decoration: underline;
}

/* --- Pricing Section --- */
.pricing-toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: calc(var(--spacing-unit) * 2.5);
    gap: var(--spacing-unit);
}
.switch-label {
    font-size: 1rem;
    color: var(--color-text-primary);
}
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}
.switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-surface-secondary);
    border: 1px solid var(--color-border);
    transition: .4s;
}
.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 3px; /* Adjusted for border */
    background-color: var(--color-text-primary);
    transition: .4s;
}
input:checked + .slider {
    background-color: var(--color-primary-accent);
    border-color: var(--color-primary-accent);
}
input:focus + .slider {
    box-shadow: 0 0 1px var(--color-primary-accent);
}
input:checked + .slider:before {
    transform: translateX(26px);
}
.slider.round { border-radius: 34px; }
.slider.round:before { border-radius: 50%; }

.pricing-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    align-items: stretch; /* Make cards same height */
}
.pricing-plan {
    border: 2px solid var(--color-border);
}
.pricing-plan.featured-plan {
    border-color: var(--color-primary-accent);
    transform: scale(1.03); /* Slightly larger */
    box-shadow: 0 10px 30px rgba(var(--color-primary-accent-rgb), 0.25);
}
.plan-header {
    padding: calc(var(--spacing-unit) * 1.5);
    background-color: rgba(var(--color-secondary-accent-rgb), 0.1);
    border-bottom: 1px solid var(--color-border);
}
.featured-plan .plan-header {
    background-color: rgba(var(--color-primary-accent-rgb), 0.15);
    border-bottom: 1px solid rgba(var(--color-primary-accent-rgb), 0.3);
}
.plan-price {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    color: var(--color-text-headings);
    margin: var(--spacing-unit) 0;
}
.plan-price .price-period {
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--color-text-secondary);
}
.featured-badge {
    display: inline-block;
    background-color: var(--color-primary-accent);
    color: white;
    padding: 0.3em 0.8em;
    font-size: 0.8rem;
    border-radius: var(--border-radius-small);
    text-transform: uppercase;
    font-weight: bold;
}
.plan-features {
    padding: calc(var(--spacing-unit) * 1.5);
    text-align: left;
}
.plan-features li {
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}
.plan-features li::before {
    content: '✓';
    color: var(--color-secondary-accent);
    margin-right: calc(var(--spacing-unit) * 0.5);
    font-weight: bold;
}
.plan-features li:nth-child(n+5)::before { /* Example for unavailable feature styling */
     /* content: '✗'; */
     /* color: var(--color-text-secondary); */
}
.plan-cta {
    margin: calc(var(--spacing-unit) * 1.5);
    align-self: center; /* Ensure button is centered if card content varies */
}


/* --- External Resources Section --- */
.resources-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 1.5);
}
.resource-item {
    padding: var(--spacing-unit);
}
.resource-title a {
    font-family: var(--font-heading);
    color: var(--color-text-headings);
    font-size: 1.2rem;
}
.resource-title a:hover {
    color: var(--color-primary-accent);
}
.resource-description {
    font-size: 0.9rem;
}


/* --- Contact Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr; /* Default single column for mobile */
    gap: calc(var(--spacing-unit) * 3);
    background-color: var(--color-surface-primary);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius-large);
}
.contact-details h3 {
    color: var(--color-secondary-accent);
}
.contact-details p {
    display: flex;
    align-items: flex-start; /* Align icon with first line of text */
    gap: var(--spacing-unit);
    margin-bottom: var(--spacing-unit);
}
.contact-icon {
    width: 24px; /* Fixed size for icons */
    height: 24px;
    flex-shrink: 0; /* Prevent icon from shrinking */
    margin-top: 0.1em; /* Slight adjustment for alignment */
}
.contact-map-placeholder img {
    border-radius: var(--border-radius-medium);
    border: 2px solid var(--color-border);
}

/* --- Success Page (success.html) --- */
.success-page.page-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column; /* To stack header, main, footer if they were part of this structure */
    justify-content: center; /* Vertically center the main content area */
    align-items: center; /* Horizontally center the .container */
    text-align: center;
    padding-top: var(--header-height); /* Account for fixed header */
}
.success-page .container { /* The container itself will be centered */
    width: 90%;
    max-width: 700px; /* Or a suitable width for the success message */
}
.success-page .section-title {
    color: var(--color-secondary-accent);
}


/* -------------------------------------------------------------------------- */
/*                             Media Queries                                  */
/* -------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .main-nav {
        position: relative; /* For nav-toggle positioning */
    }
    .nav-toggle {
        display: block; /* Show hamburger */
        z-index: 1001; /* Above nav links */
        position: relative;
    }
    .nav-links {
        display: none; /* Hide on mobile by default */
        position: absolute;
        top: calc(var(--header-height) - (var(--spacing-unit) * 1.5)); /* Align below header */
        right: 0;
        background-color: var(--color-surface-primary);
        width: 250px;
        flex-direction: column;
        padding: var(--spacing-unit);
        box-shadow: -5px 5px 15px rgba(0,0,0,0.2);
        border-radius: 0 0 var(--border-radius-small) var(--border-radius-small);
        gap: var(--spacing-unit);
    }
    .nav-open .nav-links {
        display: flex; /* Show when nav-open class is added to header */
    }
    .nav-links a {
        display: block;
        width: 100%;
        text-align: left;
    }

    .footer-container {
        grid-template-columns: 1fr; /* Stack footer columns */
        text-align: center;
    }
    .site-footer ul {
        padding-left: 0;
        text-align: center;
    }
    .site-footer ul li a {
        display: inline-block; /* To center link text */
    }

    .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
    .hero-subtitle { font-size: clamp(1rem, 4vw, 1.3rem); }

    .process-steps,
    .instructors-grid,
    .stories-grid,
    .blog-posts-grid,
    .pricing-plans,
    .resources-list,
    .accolades-grid {
        grid-template-columns: 1fr; /* Single column for cards on mobile */
    }
    .featured-plan {
        transform: scale(1); /* Reset featured plan scale on mobile */
    }
}

@media (min-width: 769px) {
    .research-content {
        grid-template-columns: 1fr 1fr; /* Two columns for research */
    }
    .contact-wrapper {
        grid-template-columns: 1.5fr 1fr; /* Two columns for contact form and details */
        align-items: flex-start;
    }
}

/* Cookie Popup basic styles */
#cookie-popup a:hover {
    color: var(--color-primary-accent-hover) !important;
}