/* Health HQ - Minimalist Green Theme */

:root {
    --color-primary: #22c55e;
    --color-primary-dark: #16a34a;
    --color-primary-light: #dcfce7;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-background: #ffffff;
    --color-surface: #f9fafb;
    --color-border: #e5e7eb;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --transition: 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-text);
    text-decoration: none;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

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

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--color-text);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-md), 0 20px 40px rgba(0, 0, 0, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
}

.placeholder-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--color-primary);
    color: white;
    border-radius: 20px;
    font-size: 3rem;
    font-weight: 700;
}

.placeholder-text {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

/* Download Section */
.download {
    text-align: center;
}

.app-store-badge {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition);
}

.app-store-badge:hover {
    transform: scale(1.05);
}

.app-store-badge img {
    height: 60px;
    width: auto;
}

.download-info {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.download-info .divider {
    margin: 0 var(--spacing-xs);
    opacity: 0.5;
}

/* Contact Section */
.contact {
    background: var(--color-surface);
}

.contact-methods {
    display: flex;
    justify-content: center;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    color: var(--color-primary);
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-light);
    font-size: 0.85rem;
}

/* Legal Pages */
.legal-page {
    padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl);
}

.legal-page h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.legal-updated {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.legal-section {
    margin-bottom: var(--spacing-lg);
}

.legal-section h2 {
    font-size: 1.5rem;
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.legal-section p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.legal-section ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-section li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.legal-section a {
    color: var(--color-primary);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .phone-mockup {
        width: 220px;
        height: 440px;
    }

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

@media (max-width: 600px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    section h2 {
        font-size: 1.75rem;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}