:root {
    --primary-color: #2E3338;
    --accent-color: #2B70E4;
    --background-color: #ffffff;
    --text-color: #37352F;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: white;
    box-shadow: 0 2px 4px var(--shadow-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.logo img {
    height: 40px;
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-color);
}

.donate-btn {
    background: var(--accent-color);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.hero {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: none;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('hero-bg.png') center/cover;
    filter: brightness(0.3) blur(4px);
    z-index: 0;
}

.hero h1 {
    color: white;
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.countdown {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    justify-content: center;
}

.countdown div {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.countdown span {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.countdown label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-top: 0.8rem;
}

section {
    padding: 8rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title, h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after, h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-size: 1rem;
}

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

.submit-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    background: #245cc5;
}

.video-container {
    position: relative;
    padding-top: 56.25%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px var(--shadow-color);
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-container {
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    gap: 2rem;
}

.about-text {
    padding: 2rem;
    background: rgba(43, 112, 228, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(43, 112, 228, 0.1);
}

.about-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.mission-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px var(--shadow-color);
    text-align: center;
}

.stat-emoji {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-color);
    opacity: 0.8;
}

.progress-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline {
    position: relative;
    margin: 4rem 0;
}

.timeline-bar {
    position: relative;
    height: 4px;
    background: #E0E0E0;
    border-radius: 2px;
}

.timeline-progress {
    position: absolute;
    height: 100%;
    background: var(--accent-color);
    border-radius: 2px;
    transition: width 0.5s ease;
}

.timeline-points {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin-top: -12px;
}

.timeline-point {
    position: relative;
    width: 24px;
    height: 24px;
    background: white;
    border: 3px solid #E0E0E0;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.timeline-point.completed {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.timeline-point.active {
    border-color: var(--accent-color);
    transform: scale(1.2);
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
}

.timeline-label {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
    text-align: center;
    transform: translateX(-50%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.news-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.3s ease;
}

.news-card:hover {
    transform: translateY(-4px);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.6;
}

.news-title {
    margin: 0.5rem 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.news-excerpt {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1rem;
}

.newsletter-container {
    background: linear-gradient(rgba(43, 112, 228, 0.1), rgba(43, 112, 228, 0.05));
    padding: 4rem 2rem;
    border-radius: 16px;
    text-align: center;
    margin: 4rem auto;
    max-width: 600px;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.newsletter-input {
    flex: 1;
    padding: 1rem;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-size: 1rem;
}

.newsletter-button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.newsletter-button:hover {
    transform: translateY(-2px);
}

.trail-map {
    position: relative;
    margin: 2rem 0;
}

.trail-map img {
    width: 100%;
    border-radius: 10px;
}

.marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.partners-grid img {
    width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.3s;
}

.partners-grid img:hover {
    filter: grayscale(0%);
}

.donate-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.amount-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.amount-options button {
    padding: 1rem;
    border: 1px solid var(--accent-color);
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.amount-options button:hover {
    background: var(--accent-color);
    color: white;
}

.donate-action {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s;
}

.donate-action:hover {
    transform: translateY(-2px);
}

footer {
    text-align: center;
    padding: 2rem;
    background: var(--primary-color);
    color: white;
}

.burger-menu {
    display: none;
    cursor: pointer;
}

.burger-menu img {
    width: 30px;
    height: 30px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .countdown {
        gap: 1rem;
    }
    
    .countdown span {
        font-size: 1.8rem;
    }
    
    section {
        padding: 3rem 5%;
    }
    
    .amount-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-text {
        padding-right: 0;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .timeline-label {
        font-size: 0.8rem;
        transform: rotate(-45deg) translateY(1rem);
    }
    
    .burger-menu {
        display: block;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: white;
        padding: 2rem;
        transition: left 0.3s ease;
        align-items: center;
        gap: 2rem;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        margin: 0;
        font-size: 1.2rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .countdown {
        flex-wrap: wrap;
        justify-content: center;
    }

    .countdown div {
        padding: 1rem;
        min-width: 120px;
    }

    .mission-stats {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-button {
        width: 100%;
    }
}