/* ================================================================
   Activity Tracker - Landing Page Styles
   ================================================================ */

/* Landing Page Body */
.landing-page {
    background-color: var(--color-bg);
}

/* ----------------------------------------------------------------
   Disclaimer Banner
   ---------------------------------------------------------------- */
.disclaimer-banner {
    background-color: #fff3cd;
    border-bottom: 2px solid #ffc107;
    padding: 1rem 0;
}

.disclaimer-banner p {
    margin: 0;
    color: #856404;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: center;
}

.disclaimer-banner strong {
    color: #664d03;
}

/* ----------------------------------------------------------------
   Hero Section
   ---------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 1.5rem 0 4rem;
    position: relative;
}

.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-signup {
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    white-space: nowrap;
    border: 2px solid var(--color-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-signup:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-signin {
    background-color: transparent;
    color: var(--color-white);
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    white-space: nowrap;
    border: 2px solid var(--color-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-signin:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}

/* ----------------------------------------------------------------
   Section Shared Styles
   ---------------------------------------------------------------- */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-bg-dark);
}

/* ----------------------------------------------------------------
   Features Section
   ---------------------------------------------------------------- */
.features-section {
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid var(--color-border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

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

/* ----------------------------------------------------------------
   How It Works Section
   ---------------------------------------------------------------- */
.how-it-works-section {
    background-color: var(--color-bg);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step h3 {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
    color: var(--color-bg-dark);
}

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

/* ----------------------------------------------------------------
   Activities Section
   ---------------------------------------------------------------- */
.activities-section {
    background-color: var(--color-white);
}

.activities-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto 2rem;
}

.activity-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.activity-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.activities-note {
    text-align: center;
    color: var(--color-text-light);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

/* ----------------------------------------------------------------
   CTA Section
   ---------------------------------------------------------------- */
.cta-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 5rem 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .btn {
    background-color: var(--color-white);
    color: var(--color-primary);
    font-weight: 700;
}

.cta-section .btn:hover {
    background-color: var(--color-bg);
    color: var(--color-primary-dark);
}

/* ----------------------------------------------------------------
   Landing Footer
   ---------------------------------------------------------------- */
.landing-footer {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.footer-section .version {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--color-primary);
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ----------------------------------------------------------------
   Responsive Design
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 3rem;
    }

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

    .hero-subtitle {
        font-size: 1.375rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

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

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

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

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