/* ==========================================
   Health Info Daily - Main Stylesheet
   Inspired by Popcorn.space design
   ========================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-color: #10B981;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-lighter: #F3F4F6;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --section-padding-mobile: 60px 0;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    margin-bottom: 1em;
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-align: center;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--text-primary);
    background-color: var(--bg-lighter);
}

.btn-text {
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    font-weight: 500;
}

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

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--bg-lighter);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #FF6B9D 0%, #C06595 100%);
    top: 0;
    right: 0;
}

.blob-2 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #4ADE80 0%, #22C55E 100%);
    bottom: 0;
    left: 0;
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
}

.feature-cards {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

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

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Features Section */
.features {
    padding: var(--section-padding);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    margin: 0 auto 24px;
    width: 64px;
    height: 64px;
}

.feature-item h3 {
    margin-bottom: 12px;
}

/* Value Proposition */
.value-prop {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--bg-white);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 20px;
    margin-bottom: 16px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.value-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    transition: var(--transition-base);
}

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

.value-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

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

.cta-content h2 {
    color: var(--bg-white);
    margin-bottom: 16px;
}

.cta-content > p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: 32px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto 16px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.form-disclaimer {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: var(--bg-white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-col h4 {
    color: var(--bg-white);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li a:hover {
    color: var(--bg-white);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-bottom .disclaimer {
    font-size: 12px;
    max-width: 800px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    padding: 100px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
}

.page-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--bg-lighter);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 20px;
    margin-bottom: 16px;
}

.page-header-content {
    max-width: 700px;
    margin: 0 auto;
}

.page-header-content p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Content Section */
.content-section {
    padding: var(--section-padding);
}

.content-section.bg-light {
    background-color: var(--bg-light);
}

.content-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.content-text h2 {
    margin-bottom: 24px;
}

.content-text p {
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.stat-card h3 {
    margin-bottom: 20px;
}

.check-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.check-list li:last-child {
    border-bottom: none;
}

/* Values Section */
.values-section {
    padding: var(--section-padding);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.value-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.process-step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
    margin: 0 auto 20px;
}

/* Disclaimer Section */
.disclaimer-section {
    padding: var(--section-padding);
}

.disclaimer-card {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    padding: 40px;
    border-radius: 16px;
    border-left: 4px solid #F59E0B;
}

.disclaimer-card h3 {
    margin-bottom: 16px;
}

/* Articles Page */
.categories-section {
    padding: 40px 0;
    background-color: var(--bg-light);
}

.categories-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.category-btn {
    padding: 10px 20px;
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 24px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.category-btn:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-lighter);
}

.category-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

.articles-section {
    padding: var(--section-padding);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.article-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
}

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

.article-image {
    height: 200px;
    overflow: hidden;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
}

.article-content {
    padding: 24px;
}

.article-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.article-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.article-content p {
    font-size: 15px;
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.coming-soon-message {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--bg-light);
    border-radius: 16px;
}

/* Contact Page */
.contact-section {
    padding: var(--section-padding);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.contact-form-wrapper h2 {
    margin-bottom: 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: var(--font-family);
    font-size: 16px;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-note {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 8px;
}

.form-success {
    text-align: center;
    padding: 40px;
    background-color: var(--bg-light);
    border-radius: 16px;
}

.success-icon {
    width: 64px;
    height: 64px;
    background-color: var(--secondary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
}

.info-icon {
    margin-bottom: 16px;
}

.info-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.info-card p {
    font-size: 14px;
    margin-bottom: 8px;
}

.info-card a {
    color: var(--primary-color);
    font-weight: 500;
}

.faq-quick {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
}

.faq-quick h3 {
    margin-bottom: 16px;
}

.faq-quick ul {
    list-style: none;
}

.faq-quick li {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.faq-quick li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-quick strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
}

/* Legal Pages */
.legal-header {
    padding: 80px 0 40px;
}

.legal-date {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 8px;
}

.legal-content {
    padding: 60px 0;
}

.legal-wrapper {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.legal-text h2 {
    margin-top: 48px;
    margin-bottom: 20px;
}

.legal-text h3 {
    margin-top: 32px;
    margin-bottom: 16px;
    font-size: 20px;
}

.legal-text p {
    margin-bottom: 16px;
}

.legal-text ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 16px;
}

.legal-text ul li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.legal-text a {
    color: var(--primary-color);
    text-decoration: underline;
}

.legal-nav {
    position: sticky;
    top: 100px;
    background: var(--bg-light);
    padding: 24px;
    border-radius: 12px;
    height: fit-content;
}

.legal-nav h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.legal-nav ul li {
    margin-bottom: 12px;
}

.legal-nav a {
    color: var(--text-secondary);
    font-size: 14px;
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--text-primary);
    color: var(--bg-white);
    padding: 20px;
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookie-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-banner .btn-primary {
    padding: 10px 24px;
    white-space: nowrap;
}

.cookie-banner .btn-text {
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        order: -1;
        min-height: 300px;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .legal-wrapper {
        grid-template-columns: 1fr;
    }
    
    .legal-nav {
        position: static;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-lg);
        display: none;
        z-index: 999;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }
    
    .cookie-banner .btn-primary {
        width: 100%;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .feature-grid,
    .value-grid,
    .process-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
}