/* ======================================================= */
/* GLOBAL STYLES & VARIABLES */
/* ======================================================= */
:root {
    --bg-dark: #0a0a0a;
    --bg-medium: #111111;
    --text-light: #f0f0f0;
    --text-muted: #a0a0a0;
    --accent-glow: rgba(180, 140, 255, 0.6);
    --accent-solid: #b48cff;
}

* {
    box-sizing: border-box;
    font-family: 'Sarabun', sans-serif;
    text-decoration: none;
}

html { 
    scroll-behavior: smooth; 
}

body {
    margin: 0;
    overflow-x: hidden;
    background-color: var(--bg-dark);
    color: var(--text-light);
}

/* ======================================================= */
/* HERO SECTION */
/* ======================================================= */
.hero-section {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero-content {
    animation: fadeIn 2s ease-out;
}

.hero-content h1 {
    font-family: 'Roboto', sans-serif;
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    text-shadow: 0 0 30px var(--accent-glow);
    text-transform: uppercase;
    color: var(--text-light);
}

.hero-content p {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--text-muted);
    font-weight: 200;
    margin: 10px 0 30px;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap; /* Allow buttons to wrap on small screens */
}

.btn {
    padding: 12px 0;
    width: 220px;
    text-align: center;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--text-light);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-light);
    box-shadow: inset 0 0 0 1px var(--text-light);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    box-shadow: inset 0 0 0 1px var(--text-muted);
}

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--bg-dark);
    box-shadow: none;
}

.top-nav {
    position: absolute;
    top: 30px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 10px 15px;
    display: flex;
    gap: 20px;
    animation: fadeInDown 1.5s ease-out;
    z-index: 100;
}

.top-nav a {
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: color 0.3s ease;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: .2em;
}

.top-nav a:hover {
    color: var(--text-light);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    animation: fadeInUp 1.5s ease-out;
    text-transform: uppercase;
}

.mouse-icon {
    width: 24px;
    height: 40px;
    border: 1px solid var(--text-muted);
    border-radius: 20px;
    margin: 10px auto 0;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

/* Floating UI Elements */
.floating-ui-element {
    position: absolute;
    color: var(--text-muted);
    font-size: 0.7rem;
    animation: float 8s ease-in-out infinite, fadeIn 2s ease-out;
}
.floating-ui-element .dot {
    width: 8px;
    height: 8px;
    background: var(--accent-glow);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-glow);
}
.floating-ui-element span { font-weight: 400; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.2em;}
.floating-ui-element p { font-size: 0.7rem; margin: 5px 0 0; text-transform: none; letter-spacing: 0.1em; }

.elem1 { top: 20%; left: 15%; text-align: left; }
.elem2 { top: 30%; right: 15%; text-align: right; animation-delay: -2s; }
.elem3 { bottom: 25%; left: 20%; text-align: left; animation-delay: -4s; }

/* ======================================================= */
/* MODERN GALLERY & PAGE STYLES */
/* ======================================================= */
.page-content {
    width: 100%;
    overflow: hidden;
}

.page-section { /* Universal section styling */
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
    border-bottom: 1px solid #222;
}

.section-header {
    margin-bottom: 60px;
    text-align: center;
}

.section-header h2 {
    font-family: 'Roboto', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-light);
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 3px;
    background: var(--accent-solid);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.image-grid {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.image-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    opacity: 0; 
    transform: translateY(50px);
}

.image-item:nth-child(even) .image-wrapper {
    order: 2;
}

.image-wrapper {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.image-wrapper img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}
.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-info {
    padding: 20px;
    text-align: left;
}
.image-item:nth-child(even) .image-info {
    text-align: right;
}

.image-info h3 {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 15px;
}

.image-info p {
    font-size: 1rem;
    font-weight: 200;
    color: var(--text-muted);
    line-height: 1.8;
    letter-spacing: .05em;
    text-transform: none;
}

/* ======================================================= */
/* ABOUT ME SECTION */
/* ======================================================= */
.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    opacity: 0; /* Initially hidden for GSAP animation */
    transform: translateY(50px);
}

.about-image {
    flex: 0 0 300px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.about-image:hover {
    transform: scale(1.03);
    box-shadow: 0 0 45px var(--accent-glow);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 20px;
}

.about-text p {
     font-size: 1rem;
    font-weight: 200;
    color: var(--text-muted);
    line-height: 1.8;
    letter-spacing: .05em;
    text-transform: none;
    margin-bottom: 15px;
}

/* ======================================================= */
/* CONTACT SECTION */
/* ======================================================= */
.contact-section {
    border-bottom: none; /* Last main section */
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 800px;
    margin: 0 auto;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid #444;
    color: var(--text-light);
    padding: 15px 0;
    font-size: 1rem;
    font-family: 'Sarabun', sans-serif;
    font-weight: 200;
    letter-spacing: .1em;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--accent-solid);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: var(--accent-solid);
    color: var(--bg-dark);
    padding: 15px 0;
    width: 100%;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: .2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--text-light);
}

/* ======================================================= */
/* FOOTER */
/* ======================================================= */
.site-footer {
    padding: 80px 5%;
    text-align: center;
    background: var(--bg-medium);
}
.social-links {
    margin-bottom: 30px;
}
.social-links a {
    color: var(--text-muted);
    font-size: 1.5rem;
    margin: 0 15px;
    transition: color 0.3s ease;
    display: inline-block;
}
.social-links a:hover {
    color: var(--accent-solid);
}
.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: .1em;
    text-transform: uppercase;
}

/* ======================================================= */
/* KEYFRAME ANIMATIONS */
/* ======================================================= */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}
@keyframes scroll-wheel {
    0% { transform: translateY(-50%) scaleY(1); opacity: 1; }
    70% { transform: translateY(10px) scaleY(0.5); opacity: 0; }
    100% { transform: translateY(10px) scaleY(0.5); opacity: 0; }
}
@keyframes fadeIn { 0% { opacity: 0; } 100% { opacity: 1; } }
@keyframes fadeInDown { 0% { opacity: 0; transform: translateY(-20px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { 0% { opacity: 0; transform: translateY(20px); } 100% { opacity: 1; transform: translateY(0); } }

/* ======================================================= */
/* RESPONSIVE DESIGN */
/* ======================================================= */
@media (max-width: 768px) {
    .floating-ui-element {
        display: none; /* Hide floating elements on tablets and smaller */
    }
    .page-section {
        padding: 80px 5%;
    }
    .image-item, .image-item:nth-child(even) {
        grid-template-columns: 1fr;
    }
     .image-item:nth-child(even) .image-wrapper {
        order: 1;
    }
    .image-info, .image-item:nth-child(even) .image-info {
        text-align: center;
        order: 2;
    }
    .image-grid {
        gap: 80px;
    }
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    .about-image {
        flex: 0 0 250px;
        width: 250px;
        height: 250px;
    }
    .top-nav {
        gap: 15px;
        padding: 8px 10px;
    }
    .top-nav a {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 280px;
    }
    .top-nav {
        display: none; /* Hide nav on very small screens for cleanliness */
    }
    .image-info h3 {
        font-size: 1.2rem;
    }
    .image-info p {
        font-size: 0.9rem;
    }
    .about-text h3 {
        font-size: 1.5rem;
    }
    .about-text p {
        font-size: 0.9rem;
    }
}