/* ===================================
   X Growth Hacking Strategies - Styles
   Color Scheme: Web3Lists Inspired
   =================================== */

/* ===== CSS Variables ===== */
:root {
    /* Dark Mode Colors (Default) */
    --bg-color: #0f1116;
    --card-bg: #1a1d24;
    --card-bg-hover: #22252d;
    --text-color: #e6e9ef;
    --text-secondary: #a0a7b8;
    --accent-color: #3c7eff;
    --accent-hover: #5a93ff;
    --gradient-start: #2a3eff;
    --gradient-end: #3c7eff;
    --border-color: #2c303a;
    --input-bg: #262a33;
    --tag-bg: #2a2e37;

    /* Layout */
    --transition: all 0.3s ease;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.18);
    --glow: 0 0 15px rgba(60, 126, 255, 0.2);
    --border-radius: 12px;
    --border-radius-lg: 16px;
}

/* Light Mode */
.light-mode {
    --bg-color: #f8f9fc;
    --card-bg: #ffffff;
    --card-bg-hover: #f0f2f5;
    --text-color: #1a1d24;
    --text-secondary: #5a6072;
    --accent-color: #3163d0;
    --accent-hover: #4373e0;
    --gradient-start: #4262ff;
    --gradient-end: #5983ff;
    --border-color: #e1e5ee;
    --input-bg: #f0f2f5;
    --tag-bg: #eceef3;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.1);
    --glow: 0 0 15px rgba(60, 126, 255, 0.1);
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Password Modal ===== */
.password-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.password-content {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    max-width: 450px;
    width: 90%;
    text-align: center;
}

.password-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2rem;
    color: white;
}

.password-content h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.password-content > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.password-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.password-form input {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.password-form input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--glow);
}

.btn-unlock {
    padding: 1rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-unlock:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.password-error {
    color: #ff4757;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    min-height: 1.2rem;
}

/* ===== Header ===== */
.header {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M0 0L100 100M20 0L100 80M40 0L100 60M60 0L100 40M80 0L100 20M0 20L80 100M0 40L60 100M0 60L40 100M0 80L20 100" stroke="white" stroke-width="1" fill="none"/></svg>');
    background-size: 30px 30px;
    pointer-events: none;
}

.header-container {
    position: relative;
    z-index: 2;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.25rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(15deg);
}

/* ===== Hero Section ===== */
.hero {
    background: var(--card-bg);
    padding: 5rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--card-bg-hover);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    background: var(--card-bg);
}

.btn-reset {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.btn-reset:hover {
    background: var(--card-bg-hover);
}

/* ===== Sections ===== */
.quiz-section,
.strategies-section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Quiz ===== */
.quiz-container {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.quiz-screen {
    display: none;
}

.quiz-screen.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.quiz-question {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.quiz-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.quiz-option {
    background: var(--card-bg-hover);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.quiz-option:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.quiz-option.selected {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: white;
}

.quiz-option.selected h4,
.quiz-option.selected p {
    color: white;
}

.quiz-option i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.quiz-option.selected i {
    color: white;
}

.quiz-option h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.quiz-option p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quiz-back {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.quiz-back:hover {
    background: var(--card-bg-hover);
    color: var(--text-color);
}

.quiz-next {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
    border-radius: 9999px;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: 1rem;
}

.quiz-next:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quiz-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Quiz Results */
.result-strategies {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.result-strategy {
    background: var(--card-bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.result-strategy:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent-color);
}

.result-strategy h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.result-strategy p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.result-strategy-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.result-strategy-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    background: var(--tag-bg);
    color: var(--text-secondary);
}

/* ===== Strategies Section ===== */
.strategies-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
}

/* Filters */
.filters {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    position: sticky;
    top: 100px;
    box-shadow: var(--shadow);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.filters-header h3 {
    font-size: 1.25rem;
    color: var(--text-color);
}

.filter-group {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.filter-group h4 {
    font-size: 0.9375rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.filter-option:hover {
    background: var(--card-bg-hover);
}

.filter-option input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
}

.filter-option input[type="checkbox"]:checked {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.filter-option input[type="checkbox"]:checked::after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.filter-option span {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.filter-option:hover span {
    color: var(--text-color);
}


/* Search Filter */
.search-filter {
    border-bottom: 2px solid var(--accent-color);
}

.search-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 0.9375rem;
    transition: var(--transition);
    font-family: inherit;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--glow);
}

.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}




/* Strategy Cards */
.strategies-list {
    display: grid;
    grid-template-columns: minmax(auto, 850px);
    gap: 1.5rem;
    justify-content: start;
}

.strategy-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    max-width: 850px;
    width: 100%;
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--gradient-start), var(--gradient-end));
}

.strategy-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.strategy-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.strategy-title {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0;
}

.strategy-bookmark {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.strategy-bookmark:hover {
    background: var(--card-bg-hover);
    color: var(--accent-color);
}

.strategy-bookmark.bookmarked {
    color: var(--accent-color);
}

.strategy-meta {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.strategy-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    background: var(--tag-bg);
    color: var(--text-secondary);
}

.strategy-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.strategy-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 600;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    font-size: 1rem;
    transition: var(--transition);
}

.strategy-more:hover {
    gap: 0.75rem;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.no-results i {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.no-results h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.no-results p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-hover);
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--card-bg-hover);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
    z-index: 3;
}

.modal-close:hover {
    background: var(--accent-color);
    color: white;
    transform: rotate(90deg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1.5rem;
}

.modal-title {
    font-size: 2rem;
    color: var(--text-color);
    flex: 1;
    padding-right: 1rem;
    word-break: break-word;
    line-height: 1.3;
}

.strategy-bookmark-large {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.strategy-bookmark-large:hover {
    background: var(--card-bg-hover);
    color: var(--accent-color);
}

.strategy-bookmark-large.bookmarked {
    color: var(--accent-color);
}

.modal-body {
    padding: 2rem;
}

.modal-section {
    margin-bottom: 2rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.modal-section.important {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.modal-section.important h3 {
    color: #ffc107;
}

.implementation-steps {
    list-style: none;
    counter-reset: step-counter;
    padding-left: 0;
}

.implementation-steps li {
    counter-increment: step-counter;
    margin-bottom: 1.25rem;
    padding-left: 3rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.7;
}

.implementation-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 5rem;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.footer-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--card-bg-hover);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.25rem;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    transform: translateY(-3px);
}

.footer-credit {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.footer-credit a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-credit a:hover {
    text-decoration: underline;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .strategies-container {
        grid-template-columns: 1fr;
    }

    .filters {
        position: static;
        margin-bottom: 2rem;
    }

    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .quiz-container {
        padding: 2rem 1.5rem;
    }

    .quiz-question {
        font-size: 1.5rem;
    }

    .quiz-options {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .quiz-option {
        padding: 1.5rem;
    }

    .quiz-option i {
        font-size: 2rem;
    }

    .modal-content {
        max-height: 90vh;
    }

    .modal-header {
        padding: 1.5rem;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .strategy-card {
        padding: 1.5rem;
    }

    .strategy-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .password-content {
        padding: 2rem 1.5rem;
    }

    .password-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .quiz-question {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }

    .modal {
        padding: 1rem;
    }

    .modal-close {
        top: 1rem;
        right: 1rem;
    }

    .implementation-steps li {
        padding-left: 2.5rem;
    }

    .implementation-steps li::before {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 0.75rem;
    }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

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