/* YouPractice Landing Page Styles - Problem-Focused Version */

/* Variables */
:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --primary-light: #EEF2FF;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --background: #FFFFFF;
    --background-alt: #F9FAFB;
    --border-color: #E5E7EB;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Reset & Base */
* {
    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: var(--text-dark);
    background-color: var(--background);
}

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

/* Header & Navigation */
header {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

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

.logo-img {
    width: 32px;
    height: 32px;
}

.logo-img-small {
    width: 24px;
    height: 24px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

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

.cta-button {
    padding: 0.625rem 1.25rem;
    background-color: var(--primary-color);
    color: white !important;
    border-radius: 8px;
    transition: all 0.2s;
}

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

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.button.primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.button.secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.button.large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F9FAFB 100%);
}

.hero-badge {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero .highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 700px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.trust-badge {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 3rem;
}

.hero-image {
    max-width: 900px;
    margin: 0 auto;
}

.screenshot {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Problems Section */
.problems {
    padding: 6rem 0;
    background-color: var(--background);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.problem-card {
    background-color: var(--background);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s;
}

.problem-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.problem-description {
    margin-bottom: 2rem;
}

.problem-text {
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.problem-impact {
    background-color: #FEF2F2;
    border-left: 4px solid #EF4444;
    padding: 1rem;
    border-radius: 6px;
    color: #991B1B;
    font-size: 0.9rem;
}

.solution {
    background-color: #F0FDF4;
    border-left: 4px solid var(--secondary-color);
    padding: 1.25rem;
    border-radius: 6px;
    display: flex;
    gap: 1rem;
}

.solution-icon {
    color: var(--secondary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.solution-text {
    color: #065F46;
    font-size: 0.95rem;
    line-height: 1.6;
}

.problem-cta {
    text-align: center;
    padding-top: 2rem;
}

.problem-cta h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background-color: var(--background-alt);
}

.steps-container {
    display: grid;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.step-card {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    display: flex;
    gap: 2rem;
    transition: all 0.3s;
}

.step-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateX(8px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--text-light);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.step-visual {
    margin-top: 1rem;
}

.code-block {
    background-color: #1F2937;
    color: #D1D5DB;
    padding: 1.5rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.code-comment {
    color: #9CA3AF;
}

.code-keyword {
    color: #60A5FA;
}

.code-success {
    color: var(--secondary-color);
}

.step-tip {
    background-color: #FFFBEB;
    border-left: 4px solid var(--accent-color);
    padding: 1rem;
    border-radius: 6px;
    color: #78350F;
}

.feature-highlight {
    background-color: var(--primary-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.highlight-text {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-workflow {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.workflow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.workflow-icon {
    font-size: 2rem;
}

.workflow-text {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 600;
}

.workflow-arrow {
    font-size: 1.5rem;
    color: var(--text-light);
}

.how-it-works-cta {
    margin-top: 3rem;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
}

.cta-box h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-box p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-box .button.primary {
    background-color: white;
    color: var(--primary-color);
}

.cta-box .button.primary:hover {
    background-color: var(--background-alt);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--background);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background-color: var(--background-alt);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: 5rem 0;
    background-color: var(--primary-light);
    text-align: center;
}

.stats h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    padding: 2rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 600;
}

/* Final CTA Section */
.final-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.final-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.final-cta .button.primary {
    background-color: white;
    color: var(--primary-color);
}

.final-cta .button.primary:hover {
    background-color: var(--background-alt);
}

.final-cta-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    opacity: 0.85;
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin: 0.25rem 0;
}

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

    .step-card {
        flex-direction: column;
    }

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

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

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

    .subtitle {
        font-size: 1.125rem;
    }

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

    .button {
        width: 100%;
        justify-content: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .problem-grid {
        gap: 1.5rem;
    }

    .problem-card {
        padding: 1.5rem;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .workflow-step {
        font-size: 0.8rem;
    }

    .workflow-arrow {
        display: none;
    }

    .step-workflow {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    nav {
        padding: 1rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

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