/* VitaNature - Main Stylesheet */
/* Mobile-first responsive design */

:root {
    --primary-color: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #C8E6C9;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #F9F9F9;
    --bg-white: #FFFFFF;
    --border-color: #E0E0E0;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }

@media (min-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Header */
.site-header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 0.75rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-brand:hover {
    color: var(--primary-dark) !important;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

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

/* Hero Section */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-top: 60px;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(76,175,80,0.85) 0%, rgba(56,142,60,0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--bg-white);
    padding: 2rem;
}

.hero-content h1 {
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.hero-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    .hero-content p {
        font-size: 1.25rem;
    }
}

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

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Two-column layout */
.two-col-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.two-col-content.reverse {
    flex-direction: column;
}

@media (min-width: 768px) {
    .two-col-content {
        flex-direction: row;
    }
    .two-col-content.reverse {
        flex-direction: row-reverse;
    }
    .two-col-content .col-text,
    .two-col-content .col-image {
        flex: 1;
    }
}

.col-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.col-image img:hover {
    transform: scale(1.02);
}

/* Cards */
.info-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

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

/* FAQ */
.faq-item {
    background-color: var(--bg-white);
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-dark);
    transition: background-color 0.3s ease;
}

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

.faq-question .icon {
    font-size: 1.25rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question .icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.25rem;
    max-height: 500px;
}

/* Infographic */
.infographic-wrapper {
    text-align: center;
}

.infographic-wrapper img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Research */
.research-item {
    padding: 1.5rem;
    background-color: var(--bg-white);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1.5rem;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.research-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* CTA Section */
#cta {
    background-color: var(--primary-light);
    text-align: center;
}

#cta h2 {
    color: var(--primary-dark);
}

.btn-cta {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-cta:hover {
    background-color: var(--primary-dark);
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76,175,80,0.4);
}

/* Contact Form */
.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-message {
    display: none;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
}

.form-message.success {
    display: block;
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.form-message.error {
    display: block;
    background-color: #FFEBEE;
    color: #C62828;
}

/* Contact Info */
.contact-info {
    margin-top: 2rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info strong {
    color: var(--text-dark);
}

/* Footer */
.site-footer {
    background-color: #2E2E2E;
    color: rgba(255,255,255,0.7);
    padding: 3rem 0 1.5rem;
}

.footer-brand {
    color: var(--bg-white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
}

.policy-links {
    margin-top: 1rem;
}

.policy-links a {
    color: rgba(255,255,255,0.5);
    margin: 0 0.5rem;
    font-size: 0.875rem;
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 1.5rem;
    z-index: 9999;
    display: none;
}

.cookie-banner.show {
    display: block;
    animation: slideUp 0.3s ease;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.cookie-text {
    flex: 1;
}

.cookie-text p {
    margin: 0;
    font-size: 0.9rem;
}

.cookie-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

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

.cookie-btn.accept:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.cookie-btn.decline {
    background-color: transparent;
    color: var(--primary-color);
}

.cookie-btn.decline:hover {
    background-color: var(--primary-light);
}

.cookie-btn.settings {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--border-color);
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--bg-white);
    border-radius: 12px;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    width: 100%;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: var(--bg-white);
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body h4 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p, .modal-body li {
    font-size: 0.95rem;
    line-height: 1.7;
}

.modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

/* Disclaimer Block */
.disclaimer-block {
    background-color: #FFF8E1;
    border-left: 4px solid #FFC107;
    padding: 1.5rem;
    border-radius: 0 8px 8px 0;
    margin-top: 2rem;
}

.disclaimer-block h4 {
    color: #F57C00;
    margin-bottom: 0.75rem;
}

.disclaimer-block p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--text-light);
}

/* Utilities */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* Safety Section */
.safety-list {
    list-style: none;
    padding: 0;
}

.safety-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

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

.safety-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Date Badge */
.date-badge {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}