@charset "UTF-8";

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #f3f4f6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.highlight {
    color: #f97316;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.flame-icon {
    color: #f97316;
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: #f97316;
}

.nav-link.active {
    color: #f97316;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #f97316;
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(31, 41, 55, 0.98);
    backdrop-filter: blur(10px);
    z-index: 2000;
    transition: right 0.3s ease;
    padding: 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    align-self: flex-end;
}

.mobile-nav-link {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: #f97316;
}

.hero-section {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.pexels.com/photos/51951/forest-fire-fire-smoke-conservation-51951.jpeg?auto=compress&cs=tinysrgb&w=1920');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    padding: 4rem 2rem;
    z-index: 1;
}

.hero-icon {
    font-size: 5rem;
    color: #f97316;
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: #e5e7eb;
    max-width: 600px;
    margin: 0 auto;
}

.about-section {
    padding: 5rem 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.about-text p {
    font-size: 1.1rem;
    color: #6b7280;
    line-height: 1.8;
}

.about-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 8rem;
    box-shadow: 0 10px 40px rgba(249, 115, 22, 0.3);
}

.book-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
}

.section-intro {
    font-size: 1.25rem;
    color: #d1d5db;
    max-width: 800px;
    margin: 0 auto;
}

.book-container {
    max-width: 1400px;
    margin: 0 auto;
}

.book {
    position: relative;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    min-height: 600px;
    overflow: hidden;
}

.book-spine {
    width: 40px;
    background: linear-gradient(to right, #d1d5db, #9ca3af, #d1d5db);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
    position: relative;
}

.book-spine::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
}

.book-page {
    padding: 3rem;
    background: #fffbf5;
    position: relative;
    overflow-y: auto;
}

.left-page {
    background: linear-gradient(to left, #fffbf5 98%, #f5f0e8 100%);
}

.right-page {
    background: linear-gradient(to right, #fffbf5 98%, #f5f0e8 100%);
}

.page-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.process-entry {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

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

.entry-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #f97316;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.entry-date i {
    font-size: 1.2rem;
}

.entry-content h3 {
    font-size: 1.8rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.entry-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.entry-image i {
    font-size: 4rem;
    color: white;
}

.entry-content p {
    font-size: 1.05rem;
    color: #374151;
    line-height: 1.8;
    text-align: justify;
}

.book-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    gap: 2rem;
}

.book-btn {
    background: #f97316;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.book-btn:hover:not(:disabled) {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}

.book-btn:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    box-shadow: none;
}

.page-indicator {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: 50px;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.timeline-section {
    padding: 5rem 0;
    background: white;
}

.timeline-section h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #f97316;
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 0;
    width: 18px;
    height: 18px;
    background: #f97316;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 2px #f97316;
    z-index: 1;
}

.timeline-content {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-content {
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.2);
}

.timeline-date {
    color: #f97316;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.timeline-content p {
    color: #6b7280;
    line-height: 1.6;
}

footer {
    background: #1f2937;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-brand i {
    color: #f97316;
    font-size: 2rem;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #f97316;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #9ca3af;
}

.scroll-to-top {
    background: #f97316;
    color: white;
    border: none;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: #ea580c;
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .logo-placeholder {
        width: 200px;
        height: 200px;
        font-size: 5rem;
    }

    .book {
        grid-template-columns: 1fr auto 1fr;
    }

    .book-page {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-section {
        min-height: 40vh;
    }

    .hero-icon {
        font-size: 3rem;
    }

    .about-section {
        padding: 3rem 0;
    }

    .book-section {
        padding: 3rem 0;
    }

    .book {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .book-spine {
        display: none;
    }

    .left-page {
        order: 1;
        background: #fffbf5;
    }

    .right-page {
        order: 2;
        background: #fffbf5;
        border-top: 2px dashed #d1d5db;
    }

    .book-page {
        padding: 2rem 1.5rem;
    }

    .entry-content h3 {
        font-size: 1.5rem;
    }

    .entry-image {
        height: 150px;
    }

    .entry-image i {
        font-size: 3rem;
    }

    .book-controls {
        flex-direction: column;
        gap: 1rem;
    }

    .book-btn {
        width: 100%;
        justify-content: center;
    }

    .page-indicator {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero-content {
        padding: 3rem 1rem;
    }

    .book-page {
        padding: 1.5rem 1rem;
    }

    .entry-content p {
        font-size: 1rem;
    }
}