@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@200;300;400;500;700&display=swap');

:root {
    /* Colors */
    --bg-color: #fcfcfc;
    --text-main: #1a1a1a;
    --text-muted: #666666;
    --accent: #2c4c3b;
    /* A deep natural green to fit the 'Field School' theme */
    --accent-light: #e8f0ec;
    --border: #eaeaea;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Layout */
    --max-width: 1000px;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Animation */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* Header & Nav */
.site-header {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    position: sticky;
    top: 0;
    background-color: rgba(252, 252, 252, 0.9);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.site-header.scrolled {
    padding: var(--spacing-sm) 0;
    border-bottom-color: var(--border);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-main);
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(0.98);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border);
}

.site-title {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

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

.main-nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

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

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--text-main);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    color: var(--text-main);
}

h2 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 65ch;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: 40px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background-color: #1e3529;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 76, 59, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--text-main);
    background-color: var(--bg-color);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero p {
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* Content Sections */
.section {
    padding: var(--spacing-lg) 0;
}

/* Event Cards */
.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-md);
}

.event-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    background-color: #fff;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border-color: #dfdfdf;
}

.event-date {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.event-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.event-card p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* About & Contact Page */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.contact-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.contact-label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1.125rem;
    color: var(--text-main);
    text-decoration: none;
}

.contact-value[href]:hover {
    color: var(--accent);
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-inner {
        flex-direction: column;
        gap: 1.5rem;
    }

    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero {
        padding: var(--spacing-lg) 0;
    }
}