/* ===================================
   Quantum Horizons - Global Styles
   Scientific & Analytical Theme
   =================================== */

/* Google Fonts - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* CSS Variables for Theming */
:root {
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --secondary-color: #3498db;
    --dark-bg: #0a1628;
    --light-bg: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --red-warning: #e74c3c;
    --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    --card-radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    font-weight: 400;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Disclaimer Banner - MANDATORY */
.disclaimer-banner {
    background-color: var(--red-warning);
    color: var(--white);
    padding: 20px 0;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 100;
}

.disclaimer-banner strong {
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

/* Header / Navigation */
header {
    background-color: var(--dark-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
}

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

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--white);
    font-weight: 400;
    padding: 0.5rem 0;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9), rgba(52, 152, 219, 0.7)),
                url('https://images.unsplash.com/photo-1462331940025-496dfbfc7564?w=1920&q=80') center/cover no-repeat;
    background-attachment: fixed;
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero .tagline {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

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

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

/* Section Styling */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Feature Cards */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 1rem;
    color: var(--text-light);
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--dark-bg), var(--secondary-color));
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Content Section */
.content-section {
    background-color: var(--light-bg);
}

.content-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 2;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.95), rgba(39, 174, 96, 0.95)),
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80') center/cover;
    text-align: center;
    color: var(--white);
    padding: 6rem 0;
}

.cta-section h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.8;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.team-member {
    background: var(--white);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.team-info {
    padding: 1.5rem;
    text-align: center;
}

.team-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.team-info .role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

/* Blog Cards */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--white);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.blog-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.blog-content {
    padding: 2rem;
}

.blog-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.blog-content .date {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Article Page */
.article-header {
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9), rgba(52, 152, 219, 0.8)),
                url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?w=1920&q=80') center/cover;
    color: var(--white);
    padding: 6rem 0 3rem;
    text-align: center;
}

.article-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.article-meta {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.article-content {
    max-width: 850px;
    margin: 0 auto;
    padding: 4rem 20px;
    font-size: 1.1rem;
    line-height: 1.9;
}

.article-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.article-content img {
    margin: 2rem 0;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
}

/* Contact Form */
.contact-section {
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.92), rgba(52, 152, 219, 0.85)),
                url('https://images.unsplash.com/photo-1419242902214-272b3f66ee7a?w=1920&q=80') center/cover fixed;
    color: var(--white);
    padding: 5rem 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-detail {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 4px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
}

.contact-form h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.map-container {
    margin-top: 3rem;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.map-container iframe {
    width: 100%;
    height: 450px;
    border: none;
}

/* Resources Page */
.resources-grid {
    display: grid;
    gap: 2.5rem;
    margin-top: 3rem;
}

.resource-item {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    border-left: 5px solid var(--primary-color);
}

.resource-item h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.resource-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.resource-links a {
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: all 0.3s ease;
}

.resource-links a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* FAQ Page */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1.5rem;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    background: var(--light-bg);
    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: #e8ebed;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
    padding: 1.5rem 2rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-light);
}

/* Legal Pages */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 20px;
}

.legal-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.legal-content p,
.legal-content ul {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.legal-content ul {
    padding-left: 2rem;
}

.legal-content ul li {
    margin-bottom: 0.5rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 22, 40, 0.98);
    color: var(--white);
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    margin: 0;
    font-size: 0.95rem;
}

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

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    nav {
        display: none;
        width: 100%;
        margin-top: 1rem;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 0;
    }

    nav li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav a {
        display: block;
        padding: 1rem 0;
    }

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

    .hero .tagline {
        font-size: 1.1rem;
    }

    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .feature-cards,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .disclaimer-banner {
        font-size: 0.85rem;
        padding: 15px 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    section {
        padding: 3rem 0;
    }
}