:root {
    --color-primary: #007acc;
    --color-success: #28a745;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Announcement Bar */
.announcement {
    background: linear-gradient(90deg, var(--color-success), #20c997);
    color: white;
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.announcement::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color .3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    padding: 48px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 16px;
    color: #fff;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color .3s;
}

.footer-section a:hover {
    color: #fff;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid #555;
    margin-top: 32px;
    padding-top: 24px;
    text-align: center;
    color: #ccc;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23007acc" opacity="0.1"/></svg>') repeat;
    animation: float 15s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #333 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 22px;
    color: #666;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.time-message {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    display: inline-block;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
    background: white;
    padding: 8px 16px;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.trust-badge .icon {
    font-size: 18px;
    color: var(--color-success);
}

.cta-primary {
    background: linear-gradient(135deg, var(--color-success) 0%, #20c997 100%);
    color: white;
    border: none;
    padding: 20px 48px;
    font-size: 20px;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 8px 30px rgba(40, 167, 69, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.cta-primary:hover::before {
    width: 300px;
    height: 300px;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(40, 167, 69, 0.4);
}

.no-signup {
    margin-top: 16px;
    font-size: 14px;
    color: #666;
}

.social-proof-bar {
    margin-top: 20px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.methodology-note {
    cursor: help;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.methodology-note:hover {
    opacity: 1;
}

.user-stats-bar {
    margin-top: 24px;
    padding: 16px 24px;
    background: rgba(40, 167, 69, 0.1);
    border: 2px solid var(--color-success);
    border-radius: 12px;
    display: none;
    font-weight: 600;
    color: var(--color-success);
}

/* Smart Recommendation Banner */
.smart-banner {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 0;
    text-align: center;
    display: none;
}

.smart-banner.show {
    display: block;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Stats Bar */
.stats-bar {
    background: var(--color-primary);
    color: white;
    padding: 40px 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-item h3 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    counter-reset: number;
}

.stat-item p {
    font-size: 16px;
    opacity: 0.9;
}

.stat-counter {
    animation: countUp 2s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Test Selection */
.test-section {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #333;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.test-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.test-card {
    background: white;
    border: 2px solid #f0f0f0;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow, border-color;
    opacity: 0;
    transform: translateY(30px);
    animation: cardEntrance 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.test-card:nth-child(1) {
    animation-delay: 0.1s;
}

.test-card:nth-child(2) {
    animation-delay: 0.2s;
}

.test-card:nth-child(3) {
    animation-delay: 0.3s;
}

.test-card:nth-child(4) {
    animation-delay: 0.4s;
}

.test-card:nth-child(5) {
    animation-delay: 0.5s;
}

@keyframes cardEntrance {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.test-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 122, 204, 0.03);
    opacity: 0;
    transition: opacity 0.15s ease;
    border-radius: 16px;
}

.test-card:hover::before {
    opacity: 1;
}

.test-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 122, 204, 0.15);
}

.test-card:active {
    transform: translateY(-2px);
}


.test-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
    transition: all 0.15s ease;
}

.test-card:hover .test-icon {
    transform: scale(1.1);
}

.test-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #333;
    font-weight: 600;
    transition: color 0.15s ease;
}

.test-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
    transition: color 0.15s ease;
}

.test-card:hover h3 {
    color: var(--color-primary);
}

.test-card:hover p {
    color: #555;
}

.test-details {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 24px;
    color: #666;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.test-card:hover .test-details {
    background: rgba(0, 122, 204, 0.05);
    color: #555;
}

.test-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    width: 100%;
    font-size: 16px;
}


.test-btn:hover {
    background: #0066a3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 204, 0.3);
}

.test-card:hover .test-btn {
    background: var(--color-success);
}

.test-card:hover .test-btn:hover {
    background: #218838;
}

.popular-badge,
.recommended-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.popular-badge {
    background: #ff6b6b;
    color: white;
}

.recommended-badge {
    background: var(--color-success);
    color: white;
}

.progress-indicator {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    height: 4px;
    background: #f0f0f0;
    border-radius: 2px;
    overflow: hidden;
    display: none;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success), #20c997);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Quick Stats */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-top: 24px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

.quick-stat {
    text-align: center;
}

.quick-stat .number {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.quick-stat .label {
    font-size: 12px;
    color: #666;
}

/* Unique Features Section */
.unique-features {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.unique-features .section-title {
    color: white;
}

.unique-features .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.unique-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.unique-feature {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 32px;
    border-radius: 20px;
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.unique-feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.main-feature {
    grid-column: span 2;
    background: rgba(255, 255, 255, 0.98);
}

.feature-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.unique-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.unique-feature h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #333;
    font-weight: 700;
}

.unique-feature p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 24px;
}

/* Feature Demo Styles */
.feature-demo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 24px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    flex-wrap: wrap;
    gap: 16px;
}

.demo-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 8px;
}

.demo-arrow {
    font-size: 20px;
    color: var(--color-primary);
    font-weight: bold;
}

/* Feature Preview Styles */
.feature-preview {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    border-left: 4px solid var(--color-primary);
}

.preview-header {
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    font-size: 16px;
}

.weakness-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
}

.weakness-item:last-child {
    border-bottom: none;
}

.topic {
    font-weight: 600;
    color: #333;
}

.accuracy {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.accuracy.low {
    background: #fee;
    color: #dc3545;
}

.smart-action {
    background: linear-gradient(45deg, var(--color-success), #20c997);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 14px;
}

/* Progress Preview Styles */
.progress-preview {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.simple-stats {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.simple-stat {
    text-align: center;
    padding: 16px;
    background: white;
    border-radius: 8px;
    min-width: 100px;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: #666;
    margin-bottom: 4px;
}

.stat-number {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-text {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-success);
}

/* Review Preview Styles */
.review-preview {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.review-stat {
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
    background: white;
}

.review-stat.success {
    background: #d4edda;
    color: #155724;
}

/* Analytics Preview Styles */
.analytics-preview {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.analytics-item {
    background: white;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 12px;
    color: #666;
}

/* History Preview Styles */
.history-preview {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 14px;
}

.history-item:last-child {
    margin-bottom: 0;
}

.test-info {
    font-weight: 600;
    color: #333;
}

.test-date {
    color: #666;
    font-size: 12px;
}

.test-score {
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 12px;
}

.test-score.fail {
    background: #fee;
    color: #dc3545;
}

.test-score.improving {
    background: #fff3cd;
    color: #856404;
}

/* Recommendation Preview Styles */
.recommendation-preview {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.recommendation-item {
    background: white;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 14px;
    border-left: 4px solid var(--color-primary);
}

.recommendation-item:last-child {
    margin-bottom: 0;
}

/* Weak Spot Banner */
.weak-spot-banner {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

.weak-spot-content h3 {
    font-size: 24px;
    margin-bottom: 8px;
    font-weight: 700;
}

.weak-spot-content p {
    margin-bottom: 16px;
    opacity: 0.9;
}

.weak-spot-btn {
    background: white;
    color: #ff6b6b;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.weak-spot-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Features */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 64px;
}

.feature {
    text-align: center;
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), #20c997);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: white;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #333;
    font-weight: 600;
}

.feature p {
    color: #666;
    line-height: 1.7;
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.testimonial {
    background: #f8f9fa;
    padding: 32px;
    border-radius: 16px;
    position: relative;
    border-left: 4px solid var(--color-primary);
}

.testimonial::before {
    content: '"';
    font-size: 60px;
    color: var(--color-primary);
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: serif;
    opacity: 0.3;
}

.testimonial p {
    margin-bottom: 20px;
    font-style: italic;
    color: #555;
    margin-left: 20px;
    line-height: 1.6;
}

.testimonial cite {
    font-weight: 600;
    color: #333;
    font-size: 14px;
    font-style: normal;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--color-primary);
    transition: transform 0.3s ease;
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 24px 24px 24px;
}

.faq-answer p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 16px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul {
    margin: 16px 0;
    padding-left: 20px;
}

.faq-answer li {
    color: #666;
    margin-bottom: 8px;
    line-height: 1.6;
}

.faq-answer strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Final CTA */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-success) 0%, #20c997 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>') repeat;
    animation: float 20s infinite linear;
}

.final-cta-content {
    position: relative;
    z-index: 2;
}

.final-cta h2 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700;
}

.final-cta p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-secondary {
    background: white;
    color: var(--color-success);
    border: none;
    padding: 20px 48px;
    font-size: 20px;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    /* Disable decorative animations on mobile (battery + scroll perf) */
    .hero::before,
    .announcement::before {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero .subtitle {
        font-size: 18px;
    }

    /* Reduce section padding — no "fullpage" feel on mobile */
    .hero {
        padding: 40px 0 28px;
    }

    .test-section,
    .features,
    .unique-features,
    .testimonials,
    .faq-section,
    .stats-bar {
        padding: 48px 0;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .features-grid,
    .testimonial-grid {
        margin-top: 32px;
    }

    .unique-grid {
        margin-top: 32px;
    }

    /* Trust badges — 2×2 grid instead of 4-item column */
    .trust-badges {
        display: grid;
        grid-template-columns: repeat(2, auto);
        justify-content: center;
        gap: 10px;
    }

    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .stat-item h3 {
        font-size: 28px;
    }

    .stat-item p {
        font-size: 13px;
    }

    .section-title {
        font-size: 28px;
    }

    .test-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 16px;
    }

    .header-content {
        flex-direction: column;
        gap: 16px;
    }

    .nav-menu {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .faq-question {
        padding: 20px;
    }

    .faq-question h3 {
        font-size: 16px;
    }

    .faq-item.active .faq-answer {
        padding: 0 20px 20px 20px;
    }

    .cta-primary,
    .cta-secondary {
        padding: 14px 28px;
        font-size: 17px;
    }

    /* Unique Features Mobile */
    .unique-grid {
        grid-template-columns: 1fr;
    }

    .main-feature {
        grid-column: span 1;
    }

    .feature-demo {
        flex-direction: column;
    }

    .demo-arrow {
        transform: rotate(90deg);
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .live-stats-demo {
        grid-template-columns: 1fr;
    }
}

/* Tablet — 2-column test grid */
@media (min-width: 481px) and (max-width: 768px) {
    .test-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small phones — extra tightening */
@media (max-width: 480px) {
    .hero {
        padding: 28px 0 20px;
    }

    .hero h1 {
        font-size: 26px;
        line-height: 1.25;
    }

    .hero .subtitle {
        font-size: 15px;
        margin-bottom: 20px;
    }

    .time-message {
        font-size: 12px;
        padding: 6px 12px;
    }

    .trust-badge {
        padding: 6px 12px;
        font-size: 13px;
    }

    .cta-primary {
        padding: 13px 24px;
        font-size: 16px;
        width: 100%;
        max-width: 300px;
        display: block;
        margin: 0 auto;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 15px;
    }

    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .stat-item h3 {
        font-size: 22px;
    }

    .stat-item p {
        font-size: 11px;
    }

    .test-card {
        padding: 24px 20px;
    }

    .test-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .test-card h3 {
        font-size: 20px;
    }

    .feature {
        padding: 24px 20px;
    }

    .unique-feature {
        padding: 24px 20px;
    }

    .testimonial {
        padding: 24px 20px;
    }
}

/* Loading Animation */
.loading-dot {
    display: inline-block;
    animation: loading 1.4s infinite both;
}

.loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loading {

    0%,
    80%,
    100% {
        opacity: 0;
    }

    40% {
        opacity: 1;
    }
}

/* Success Animation */
.success-checkmark {
    display: inline-block;
    animation: checkmark 0.6s ease-in-out;
}

@keyframes checkmark {
    0% {
        transform: scale(0) rotate(45deg);
    }

    50% {
        transform: scale(1.2) rotate(45deg);
    }

    100% {
        transform: scale(1) rotate(45deg);
    }
}

/* Continue Progress Buttons */
.continue-section {
    text-align: center;
    margin-top: 48px;
    padding: 32px 0;
}

.continue-btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0056b3 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 20px rgba(0, 122, 204, 0.3);
}

.continue-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 122, 204, 0.4);
    background: linear-gradient(135deg, #0056b3 0%, #003d82 100%);
}

.continue-subtitle {
    margin-top: 12px;
    font-size: 14px;
    color: #666;
    font-style: italic;
}