/* Global Vintage Palette */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: url('assets/parchment-texture.jpg') center/cover fixed, #f5f1e8;
    color: #333;
    font-family: 'Merriweather', serif;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

h1,
h2,
h3 {
    font-family: 'Cinzel', serif;
    color: #7B2C2C;
}

a {
    text-decoration: none;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(245, 241, 232, 0.92);
    backdrop-filter: blur(6px);
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.7rem;
    font-weight: 700;
    color: #7B2C2C;
    display: flex;
    align-items: center;
}

.logo-icon {
    font-size: 1.9rem;
    margin-right: 0.5rem;
}

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

.nav-link {
    color: #333;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #D4AF37;
    transition: width .3s;
}

.nav-link:hover::before {
    width: 100%;
}

.socials {
    display: flex;
    gap: 1rem;
    margin-left: 3rem;
}

.social-icon {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    transition: all 0.3s ease;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.social-icon:hover {
    background: rgba(224, 170, 62, 0.2);
    color: #fff;
    transform: translateY(-2px);
    border-color: rgba(224, 170, 62, 0.4);
}

.menu-toggle {
    display: none;
    color: white;
    font-size: 1.6rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

/* Scrolled State */


/* Responsive Styles */
@media (max-width: 992px) {
    .nav-container {
        padding: 0 2rem;
    }

    .nav-links {
        gap: 1.8rem;
    }

    .socials {
        margin-left: 2rem;
    }
}

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

    .nav-links {
        position: fixed;
        top: 76px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 76px);
        background: #f5f1e8;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 3rem 0;
        gap: 2.5rem;
        transition: left 0.4s ease-out;
        z-index: 999;
    }

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

    .nav-link {
        font-size: 1.2rem;
        padding: 0.8rem 1.5rem;
    }

    .nav-link::before {
        height: 3px;
        bottom: 0.5rem;
    }

    .socials {
        margin: 3rem 0 0;
        gap: 1.5rem;
    }

    .social-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    .menu-toggle {
        display: block;
    }
}

/* Timeline Section */
.timeline {
    padding: 60px 20px;
    text-align: center;
}

.timeline h2 {
    margin-bottom: 1rem;
}

.timeline-wrapper {
    display: flex;
    overflow-x: auto;
    gap: 2rem;
    padding: 1rem 0;
}

.timeline-wrapper .event {
    /* สไตล์เดิม */
    position: relative;
}

/* เพิ่มเส้นแบ่งระหว่างอารยธรรม */
.timeline-wrapper .event:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1rem;
    /* ปรับตาม gap ของ timeline-wrapper */
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 2px;
    background: rgba(123, 44, 44, 0.3);
    border-radius: 2px;
}

/* สำหรับหน้าจอเล็ก */
@media (max-width: 768px) {
    .timeline-wrapper .event:not(:last-child)::after {
        right: -0.5rem;
    }
}

.hero {
    height: 120vh;
    background-size: cover;
    background-position: top;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    transition: background-image 0.5s ease-in-out;
}

.overlay {
    position: absolute;
    top: 15%;
    left: 5%;
    right: 5%;
    width: auto;
    max-width: 600px;
    background: rgba(0, 0, 0, 0.5);
    padding: 30px;
    border-radius: 10px;
    color: white;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .overlay {
        top: 10%;
        left: 5%;
        padding: 20px;
        width: 90%;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .slider-counter {
        font-size: 2rem;
    }

    .slider-counter span {
        font-size: 1.2rem;
    }
}

.slider-counter {
    font-size: 2.5rem;
    font-weight: bold;
}

.slider-counter span {
    font-size: 1.5rem;
    font-weight: 300;
    color: #ccc;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin: 20px 0;
}

.hero p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.btn {
    background-color: #1abc9c;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    display: inline-block;
}

.arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    padding: 12px 18px;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 10px;
}

.arrow.left {
    left: 20px;
}

.arrow.right {
    right: 20px;
}

.dots {
    position: absolute;
    bottom: 20px;
    left: 40px;
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    opacity: 0.5;
    cursor: pointer;
}

.dot.active {
    opacity: 1;
}

/* Box Game */
.game {
    background-image: url('b714fb4c-e7d4-4489-9e4e-ac97dd2bb1a8.png');
    background-size: cover;
    background-position: center;
    height: 100vh;
    position: relative;
}

.overlay-game {
    background-color: rgba(0, 0, 0, 0.65);
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.content-box-game {
    text-align: center;
    color: #ffffff;
    padding: 30px 50px;
    border: 2px solid #ffffff;
    backdrop-filter: blur(5px);
}

.content-box-game h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.btn.primary {
    background-color: #e0aa3e;
    color: #fff;
}

.btn.primary:hover {
    background-color: #c7952f;
}

.btn.secondary {
    border: 1px solid #ffffff;
    color: #ffffff;
}

.btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* testimonial */
.testimonial-container {
    max-width: 800px;
    margin: 15px auto;
    text-align: center;
    /*padding: 20px;*/
    position: relative;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    min-height: 180px;
    cursor: grab;
    user-select: none;
}

.testimonial-slider:active {
    cursor: grabbing;
}

.testimonial-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    width: 100%;
}

.testimonial-slide.active {
    display: block;
    opacity: 1;
}

.testimonial-text {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.6;
    padding: 0 20px;
}

.author {
    margin-top: 15px;
    font-size: 1rem;
    color: #ccc;
}

/* Custom Timeline Section */

.custom-timeline-wrapper {
    display: flex;
    justify-content: center;
    overflow-x: auto;
    gap: 2rem;
    padding: 1rem 0;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
}

.custom-timeline-wrapper .custom-timeline-event {
    flex: 0 0 220px;
    background: rgba(245, 241, 232, 0.95);
    border-left: 4px solid #D4AF37;
    padding: 1rem;
    position: relative;
    scroll-snap-align: start;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);

    /* ทำให้ทุกกล่องมีความสูงเท่ากัน */
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.custom-timeline-wrapper .custom-timeline-event::before {
    content: attr(data-year);
    position: absolute;
    left: 1rem;
    transform: translateY(-100%);
    background: #7B2C2C;
    color: #f5f1e8;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: bold;
}

.custom-timeline-wrapper .event-title {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.custom-timeline-wrapper .event-description {
    font-size: 1rem;
    color: #555;
}

/* CSS */
.home-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f5efe6;
    /* สีพื้นหลังดูโบราณ ๆ */
    text-align: center;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
    margin: 10px;
}

.home-hero__content {
    max-width: 800px;
}

.home-hero__title {
    font-size: 3rem;
    font-family: 'Georgia', serif;
    color: #4a2c2a;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 1px #e3d9ce;
}

.home-hero__subtitle {
    font-size: 1.5rem;
    color: #7a5c4d;
    font-weight: 500;
}

/* --- Civilization Grid --- */
.hover-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1300px;
    margin: 40px auto;
    padding: 0 20px;
}

.hover-component {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-radius: 10px;
    border: 2px solid #b69f83;
    background-color: #f6f2ee;
    transition: transform 0.4s ease;
}

.hover-component:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(128, 101, 74, 0.5);
}

.hover-component img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hover-link {
    text-decoration: none;
}



/* World history Resources */
/* Reset พิเศษสำหรับโปรเจคนี้ */
.wh-body *:where(:not(html, iframe, canvas, img, svg, video, audio):not(svg *, symbol *)) {
    all: unset;
    display: revert;
}

/* Global Styles */
.wh-body {
    background: url('assets/parchment-texture.jpg') center/cover fixed, #f5f1e8;
    color: #333;
    font-family: 'Merriweather', serif;
    line-height: 1.6;
}


/* เส้นแบ่งระหว่าง events */
.wh-timeline-event:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.25rem;
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 2px;
    background: rgba(123, 44, 44, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .wh-timeline-track {
        gap: 1.5rem;
        padding: 1.5rem 0.5rem;
    }

    .wh-timeline-event {
        flex: 0 0 240px;
    }

    .wh-timeline-event:not(:last-child)::after {
        right: -0.75rem;
    }
}

/* section-features*/
.section-features {
    padding: 60px 20px;
    text-align: center;
    max-width: 1200px;
    margin: auto;
}

.main-heading {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.sub-heading {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #ccc;
}

.btn-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.btn {
    padding: 12px 24px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: background 0.3s ease;
}

.primary-btn {
    background-color: #3da6f7;
    color: white;
}

.primary-btn:hover {
    background-color: #2893e0;
}

.secondary-btn {
    background-color: #fff;
    color: #333;
}

.secondary-btn:hover {
    background-color: #f0f0f0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: #4eaaf4;
    color: #fff;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    color: white;
}

.text h3 {
    margin: 0 0 8px;
    font-size: 1.2rem;
}

.text p {
    margin: 0;
    font-size: 0.95rem;
}

/* footer */
.world-footer {
    background-color: #2c1e1b;
    color: #f5efe6;
    padding: 2rem 1rem;
    text-align: center;
    font-family: 'Georgia', serif;
}

.world-footer__container {
    max-width: 1000px;
    margin: 0 auto;
}

.world-footer__text {
    margin-bottom: 1rem;
    font-size: 1rem;
    opacity: 0.85;
}

.world-footer__links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.world-footer__link {
    color: #f5efe6;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.world-footer__link:hover {
    color: #e6b672;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .hover-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .hover-container {
        grid-template-columns: 1fr;
    }

    .features-grid {
        flex-direction: column;
        align-items: center;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .wh-feature-card {
        flex: 1 1 100%;
    }

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

    .overlay {
        top: 10%;
        left: 5%;
        right: 5%;
        max-width: none;
    }

    .navbar {
        padding: 0 20px;
    }

    .navbar ul {
        gap: 15px;
    }
}