/* Clean, Modern Fitness Design */
:root {
    --secondary-color: #2563eb;
    --primary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray: #f9fafb;
    --bg-light-gray: #f3f4f6;
    --border-gray: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 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);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-dark);
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* Header */
.main-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.main-header nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-gray) 100%);
    padding: 8rem 0;
    text-align: center;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 1.5rem auto 3rem;
}

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

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

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

.cta-button.primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

.features-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid var(--border-gray);
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* Coming Soon Section */
.coming-soon-section {
    padding: 6rem 0;
    background-color: var(--bg-gray);
}

.coming-soon-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
}

.coming-soon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.coming-soon-item {
    background-color: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid var(--border-gray);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.coming-soon-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.coming-soon-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.coming-soon-item p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

.status-badge {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Newsletter Signup */
.newsletter-signup {
    background-color: var(--bg-white);
    padding: 3rem 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid var(--border-gray);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-signup h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.newsletter-signup p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.email-form {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.email-input {
    flex: 1;
    min-width: 250px;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-gray);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.notify-button {
    padding: 0.875rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    white-space: nowrap;
}

.notify-button:hover {
    background-color: #1d4ed8;
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background-color: var(--bg-white);
    text-align: center;
}

.contact-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-gray);
}

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

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

footer .footer-links {
    display: flex;
    gap: 1.5rem;
}

footer .footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Resources Section */
.resources-section {
    padding: 6rem 0;
    background-color: var(--bg-gray);
}

.resources-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.resource-card {
    background-color: var(--bg-white);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--border-gray);
    transition: all 0.3s ease;
    position: relative;
}

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

.resource-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--bg-white) 0%, #f8fafc 100%);
    border: 2px solid var(--primary-color);
}

.resource-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.resource-category {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.resource-card.featured .resource-category {
    background-color: var(--secondary-color);
}

.read-time {
    color: var(--text-light);
    font-size: 0.875rem;
}

.resource-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.resource-card.featured h3 {
    font-size: 1.5rem;
}

.resource-excerpt {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-light);
    padding-top: 1rem;
    border-top: 1px solid var(--border-gray);
}

.author {
    font-weight: 600;
    color: var(--text-gray);
}

.resources-cta {
    background-color: var(--bg-white);
    padding: 3rem 2rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid var(--border-gray);
    max-width: 600px;
    margin: 0 auto;
}

.resources-cta h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.resources-cta p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .features-section,
    .resources-section,
    .coming-soon-section,
    .contact-section {
        padding: 4rem 0;
    }

    .resource-card.featured {
        grid-column: span 1;
    }

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

    .main-header .container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .main-header nav ul {
        gap: 1rem;
    }

    footer .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .email-form {
        flex-direction: column;
    }

    .email-input {
        min-width: 100%;
    }
}