/* common/styles.css - Complete Keto Website Styles */

/* ========================================
   CSS VARIABLES & RESET
======================================== */
:root {
    --primary-color: #2ECC71;
    --secondary-color: #27AE60;
    --accent-color: #F39C12;
    --dark-bg: #1A1A2E;
    --light-bg: #F8F9FA;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    font-size: 16px;
}

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

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

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

/* ========================================
   HEADER STYLES
======================================== */
.site-header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #16213E 100%);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-icon {
    font-size: 2rem;
}

.logo-accent {
    color: var(--primary-color);
}

.main-nav {
    position: relative;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: var(--transition);
}

.nav-menu a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--accent-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.cta-button:hover {
    background-color: #E67E22;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

/* ========================================
   CONTAINER & LAYOUT
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.content-section {
    padding: 4rem 0;
}

.content-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

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

/* ========================================
   INFO GRID
======================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

/* ========================================
   BLOG GRID
======================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.blog-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.blog-card h3 a {
    color: var(--text-dark);
}

.blog-card h3 a:hover {
    color: var(--primary-color);
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.read-more:hover {
    color: var(--secondary-color);
}

/* ========================================
   ARTICLE PAGE STYLES
======================================== */
.article-page {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem 2rem;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-header h1 {
    font-size: 2.8rem;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.article-meta {
    color: var(--text-light);
    font-style: italic;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: left;
}

.article-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.article-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.article-content ul, .article-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.article-content li {
    margin-bottom: 0.75rem;
}

/* ========================================
   SPECIAL BOXES
======================================== */
.highlight-box {
    background: linear-gradient(135deg, #E8F8F5 0%, #D5F4E6 100%);
    border-left: 5px solid var(--primary-color);
    padding: 2rem;
    margin: 2rem 0;
    border-radius: 10px;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin: 3rem 0;
}

.cta-box h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.cta-box a {
    color: var(--accent-color);
    font-weight: bold;
    text-decoration: underline;
}

.cta-box a:hover {
    color: var(--white);
}

/* ========================================
   MEAL PLAN STYLES
======================================== */
.meal-plan {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0;
}

.day-meals {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.day-meals p {
    margin-bottom: 1rem;
    padding-left: 1rem;
}

/* ========================================
   SIDEBAR
======================================== */
.sidebar {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.widget {
    margin-bottom: 2rem;
}

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

.widget ul {
    list-style: none;
}

.widget li {
    margin-bottom: 0.75rem;
}

.widget a {
    color: var(--text-dark);
    transition: var(--transition);
}

.widget a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

/* ========================================
   FOOTER STYLES
======================================== */
.site-footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #16213E 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--white);
    opacity: 0.85;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    opacity: 1;
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 5px;
    font-size: 0.95rem;
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    font-size: 1.5rem;
}

.social-links a {
    transition: var(--transition);
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.disclaimer {
    font-size: 0.85rem;
    font-style: italic;
}

/* ========================================
   SCROLL TO TOP BUTTON
======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--dark-bg);
        flex-direction: column;
        width: 250px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        max-height: 400px;
        padding: 1rem;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .article-header h1 {
        font-size: 2rem;
    }
    
    .content-section h2 {
        font-size: 1.8rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 3rem 1rem;
    }
    
    .info-grid, .blog-grid {
        grid-template-columns: 1fr;
    }
}