/* ==========================================================================
   MycoCalc Professional Styles
   ========================================================================== */

/* Variables */
:root {
    /* Colors */
    --color-primary: #6FAF79;
    --color-primary-dark: #5A9463;
    --color-primary-light: #8BC79A;
    --color-secondary: #2F4F4F;
    --color-secondary-dark: #1E3333;
    --color-cream: #FAFAF5;
    --color-white: #FFFFFF;
    --color-gray-100: #F7F7F2;
    --color-gray-200: #E8E8E0;
    --color-gray-300: #D1D1C8;
    --color-gray-400: #A8A89E;
    --color-gray-600: #6B6B61;
    --color-gray-800: #3A3A32;
    --color-black: #1A1A16;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Sizes */
    --container-max-width: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(47, 79, 79, 0.08);
    --shadow-md: 0 4px 12px rgba(47, 79, 79, 0.12);
    --shadow-lg: 0 8px 24px rgba(47, 79, 79, 0.16);
    --shadow-xl: 0 16px 48px rgba(47, 79, 79, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-secondary);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-md);
}

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

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    transition: transform var(--transition-fast), color var(--transition-fast);
    cursor: pointer;
}

.logo:hover {
    color: var(--color-primary);
    transform: scale(1.05);
}

.logo i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

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

.nav-link:hover::after {
    width: 80%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-cream) 0%, #E8F5E9 50%, var(--color-cream) 100%);
    z-index: -1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(111, 175, 121, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(111, 175, 121, 0.08) 0%, transparent 50%);
    opacity: 0.5;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: 1rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-delay-1 {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.animate-fade-in-delay-2 {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.animate-fade-in-delay-3 {
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-tool {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    background-color: var(--color-gray-100);
    color: var(--color-secondary);
    border: 1px solid var(--color-gray-200);
}

.btn-tool:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* Sections */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-divider {
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* About Section */
.about {
    background-color: var(--color-white);
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    color: var(--color-gray-600);
}

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

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-cream);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Tools Section */
.tools-section {
    background-color: var(--color-cream);
}

.tools-category {
    margin-bottom: var(--spacing-3xl);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.75rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-primary);
}

.category-title i {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.tool-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.tool-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    font-size: 1.75rem;
    transition: all var(--transition-fast);
}

.tool-card:hover .tool-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.tool-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.tool-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    line-height: 1.6;
}

/* Guides Section */
.guides-section {
    background-color: var(--color-white);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.guide-card {
    background-color: var(--color-cream);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.guide-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 4rem;
}

.guide-content {
    padding: var(--spacing-xl);
}

.guide-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.guide-excerpt {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.guide-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 600;
    transition: gap var(--transition-fast);
}

.guide-link:hover {
    gap: var(--spacing-sm);
}

/* Benefits Section */
.benefits-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
}

.benefits-section .section-title {
    color: var(--color-white);
}

.benefits-section .section-divider {
    background-color: var(--color-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.75rem;
}

.benefit-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.benefit-text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

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

.newsletter-title {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.newsletter-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 280px;
    padding: 1rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.95);
    transition: all var(--transition-fast);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-white);
    background-color: var(--color-white);
}

.newsletter-form .btn-primary {
    background-color: var(--color-secondary);
}

.newsletter-form .btn-primary:hover {
    background-color: var(--color-secondary-dark);
}

/* Footer */
.footer {
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.125rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-column-title {
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 76px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-8px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .guides-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-input {
        width: 100%;
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .hero-stats {
        gap: var(--spacing-xl);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .newsletter-section,
    .footer {
        display: none;
    }
}