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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #495057;
}

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

/* Header */
.header {
    background: #1a202c;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-image {
    width: 50px;
    height: auto;
    max-width: 100%;
    object-fit: contain;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 2px;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 300;
}

.nav-links a:hover {
    color: #ff4757;
}

.sign-in-nav-btn {
    background: transparent !important;
    border: 2px solid #ff4757 !important;
    color: #ff4757 !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    border-radius: 4px !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
}

.sign-in-nav-btn:hover {
    background: #ff4757 !important;
    color: white !important;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-image {
    width: 120px;
    height: auto;
    max-width: 100%;
    object-fit: contain;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
    font-weight: 300;
}

.cta-button {
    background: #ff4757;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: #ff3838;
}

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

.section-title {
    font-size: 2.2rem;
    color: #1a202c;
    margin-bottom: 1rem;
    font-weight: 400;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-weight: 300;
}

/* Challenge Section */
.challenge {
    background: #f8f9fa;
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.challenge-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #ff4757;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.challenge-item:hover {
    transform: translateY(-5px);
}

.challenge-item h3 {
    color: #1a202c;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.challenge-item p {
    color: #6c757d;
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works {
    padding: 4rem 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    background: #ff4757;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 1.5rem;
}

.step h3 {
    color: #1a202c;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.step p {
    color: #6c757d;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Dashboard Section */
.dashboard {
    background: #f8f9fa;
}

.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.dashboard-text h2 {
    color: #1a202c;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

.dashboard-text p {
    color: #6c757d;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.dashboard-mockup {
    background: #1a202c;
    border-radius: 12px;
    padding: 2rem;
    color: white;
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Benefits Section */
.benefits {
    padding: 4rem 0;
}

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

.benefit-item {
    text-align: center;
    padding: 2rem 1rem;
}

.benefit-icon {
    background: #ff4757;
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.benefit-item h3 {
    color: #1a202c;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.benefit-item p {
    color: #6c757d;
    font-size: 0.9rem;
}

/* Recovery Tools Section */
.recovery {
    background: #1a202c;
    color: white;
    padding: 4rem 0;
}

.recovery h2 {
    color: white;
    text-align: center;
    margin-bottom: 1rem;
}

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

.recovery-content h3 {
    color: #ff4757;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.recovery-content p {
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-logo-image {
        width: 80px;
    }

    .logo-image {
        width: 35px;
    }

    .logo-text {
        font-size: 1.4rem;
    }

    .nav-links {
        display: none;
    }

    /* Mobile navigation could be added here in future */
    .mobile-nav {
        display: block;
    }

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

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 3rem 0;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}