* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Itim', sans-serif; 
}

body {
    background: linear-gradient(rgba(17, 17, 17, 0.8), rgba(17, 17, 17, 0.8)), 
                url('/assests/imge/alsthomthaitrain.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}


.welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeOut 1s ease forwards 3s;
}

.welcome-text {
    font-size: 2rem;
    opacity: 0;
    animation: welcomeAnim 2s ease forwards;
    text-align: center;
}

@keyframes welcomeAnim {
    0% { opacity: 0; transform: scale(0.8); }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.2); }
}

@keyframes fadeOut {
    to { opacity: 0; visibility: hidden; }
}


.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: #4a90e2;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.close-lightbox:hover {
    background: #357abd;
}


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


.profile-img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid #4a90e2;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.3);
}

.name {
    font-size: 3rem;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 3.5s;
}

.title {
    font-size: 1.5rem;
    color: #4a90e2;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 3.7s;
}


.about-section {
    padding: 4rem 0;
    min-height: 100vh;
}

.about-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

.about-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 15px; 
}

.content-item {
    background-color: rgba(255, 255, 255, 0.1); 
    color: #fff; 
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 10px; 
    line-height: 1.5; 
}


@media (max-width: 768px) {
    .name { font-size: 2rem; }
    .title { font-size: 1.2rem; }
    .profile-img { width: 150px; height: 150px; }
    .content-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: linear-gradient(rgba(17, 17, 17, 0.8), rgba(17, 17, 17, 0.8)), 
                url('/assests/imge/alsthomthaitrain.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}


.welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeOut 1s ease forwards 3s;
}

.welcome-text {
    font-size: 2rem;
    opacity: 0;
    animation: welcomeAnim 2s ease forwards;
}

@keyframes welcomeAnim {
    0% { opacity: 0; transform: scale(0.8); }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.2); }
}

@keyframes fadeOut {
    to { opacity: 0; visibility: hidden; }
}


.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: #4a90e2;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.close-lightbox:hover {
    background: #357abd;
}

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

.header {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about-section {
    min-height: 100vh;
    padding: 4rem 0;
}

.about-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

.about-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.tab-container {
    margin-top: 2rem;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-button {
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid #4a90e2;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button.active {
    background: #4a90e2;
}

.tab-content {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    display: none;
}

.tab-content.visible {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

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

.content-text {
    padding: 2rem;
    background: rgba(74, 144, 226, 0.1);
    border-radius: 10px;
    margin-bottom: 2rem;
}

.content-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    padding: 1rem;
}

.content-image-wrapper {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
}

.content-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.content-image.visible {
    opacity: 1;
    transform: translateY(0);
}

.content-image-wrapper:hover .content-image {
    transform: scale(1.05);
}

/* Profile Section */
.profile-img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid #4a90e2;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.3);
}

.name {
    font-size: 3rem;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 3.5s;
}

.title {
    font-size: 1.5rem;
    color: #4a90e2;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 3.7s;
}

.social-links {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 3.9s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

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

@media (max-width: 768px) {
    .name { font-size: 2rem; }
    .title { font-size: 1.2rem; }
    .profile-img { width: 150px; height: 150px; }
    .content-images {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

body {
    font-family: 'Itim', sans-serif;
    background-color: #111; 
    color: #fff; 
}

.about-section {
    padding: 20px;
}

.about-title {
    text-align: center;
    margin-bottom: 20px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px; 
}

.content-item {
    background-color: rgba(255, 255, 255, 0.1); 
    color: #fff; 
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 10px; 
    line-height: 1.5; 
}