/* FocusFlow Academy CSS */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #1e293b;
    --secondary-hover: #0f172a;
    --background: #f8fafc;
    --text: #0f172a;
    --text-muted: #475569;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--secondary);
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Header */
.header {
    background-color: var(--white);
    border-bottom: 1px stroke var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--secondary);
}

.nav {
    display: flex;
    gap: 24px;
}

.nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-btn {
    display: block;
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
}

/* Hero Section */
.hero {
    padding: 60px 0;
    background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 0) 90%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-visual {
        order: -1;
    }
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 9999px;
    margin-bottom: 16px;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.optin-card {
    background-color: var(--white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    text-align: left;
}

.optin-card h3 {
    font-size: 1.15rem;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group input {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
}

.form-terms {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 12px;
    text-align: center;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

@media (max-width: 992px) {
    .hero-trust {
        justify-content: center;
    }
}

.stars {
    color: #eab308;
    font-size: 1.1rem;
}

/* MacBook Mockup Visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.macbook-mockup {
    width: 100%;
    max-width: 450px;
    height: 280px;
    background-color: #0f172a;
    border: 12px solid #334155;
    border-radius: 16px 16px 0 0;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.macbook-mockup::after {
    content: '';
    position: absolute;
    bottom: -18px;
    left: -40px;
    right: -40px;
    height: 6px;
    background-color: #64748b;
    border-radius: 0 0 10px 10px;
}

.screen-content {
    width: 100%;
    height: 100%;
    background-color: #1e293b;
    overflow: hidden;
    padding: 12px;
}

.app-ui {
    height: 100%;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 8px;
    color: #f1f5f9;
    font-size: 0.65rem;
}

.sidebar {
    background-color: #0f172a;
    padding: 6px;
    border-radius: 4px;
}

.dots {
    display: flex;
    gap: 3px;
    margin-bottom: 8px;
}

.dot {
    width: 4px;
    height: 4px;
    background-color: #ef4444;
    border-radius: 50%;
}

.dot:nth-child(2) { background-color: #eab308; }
.dot:nth-child(3) { background-color: #22c55e; }

.sidebar .item {
    padding: 4px 6px;
    margin-bottom: 4px;
    border-radius: 3px;
    color: #94a3b8;
}

.sidebar .item.active {
    background-color: var(--primary);
    color: white;
}

.main-panel {
    background-color: #0f172a;
    border-radius: 4px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.panel-header {
    font-weight: 700;
    margin-bottom: 6px;
    border-bottom: 1px solid #1e293b;
    padding-bottom: 4px;
}

.progress-bar-container {
    margin-bottom: 8px;
}

.progress-label {
    color: #94a3b8;
    margin-bottom: 2px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: #1e293b;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: #22c55e;
}

.grid-cards {
    display: flex;
    gap: 8px;
}

.card-mini {
    flex: 1;
    background-color: #1e293b;
    padding: 6px;
    border-radius: 4px;
    text-align: center;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background-color: var(--white);
    text-align: center;
}

.section-title {
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 48px;
}

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

.benefit-card {
    background-color: var(--background);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: left;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.benefit-card h3 {
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Curriculum Section */
.curriculum {
    padding: 80px 0;
}

.curriculum-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: -32px;
    width: 2px;
    background-color: var(--border);
}

.timeline-num {
    width: 42px;
    height: 42px;
    background-color: var(--primary);
    color: var(--white);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.timeline-content {
    background-color: var(--white);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border);
    flex-grow: 1;
}

/* Instructor Section */
.about {
    padding: 80px 0;
    background-color: var(--white);
}

.about-container {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 48px;
    align-items: center;
}

@media (max-width: 768px) {
    .about-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.about-image {
    display: flex;
    justify-content: center;
}

.placeholder-avatar {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.instructor-title {
    color: var(--primary);
    margin-bottom: 12px;
}

.instructor-desc {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.bullets .bullet {
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary);
}

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

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

.testimonial-card {
    background-color: var(--white);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.02);
}

.testimonial-card .quote {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author .avatar {
    width: 42px;
    height: 42px;
    background-color: var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.author h4 {
    font-size: 0.95rem;
}

.author .role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQ */
.faq {
    padding: 80px 0;
    background-color: var(--white);
}

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

.faq-list {
    margin-top: 32px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

.faq-question {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.faq-answer {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background-color: var(--secondary);
    color: #94a3b8;
    padding: 60px 0 30px;
    border-top: 1px solid #334155;
    font-size: 0.9rem;
}

.footer h3, .footer h4 {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: 48px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.footer-links a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 8px;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 24px;
    text-align: center;
    font-size: 0.8rem;
}

.disclaimer {
    margin-top: 16px;
    color: #64748b;
    line-height: 1.4;
}

/* Cookie Banner */
.cookie-banner {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    left: 24px;
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--secondary);
    color: var(--white);
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

@media (min-width: 768px) {
    .cookie-banner {
        left: auto;
        right: 24px;
        width: 380px;
    }
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.8rem;
}

.cookie-content a {
    color: var(--primary);
    text-decoration: underline;
}

.cookie-content button {
    align-self: flex-end;
}