:root {
    --bg-main: #f8f9fb;
    --bg-footer: #30343a;
    --card-bg: #ffffff;
    --card-border: rgba(61, 64, 70, 0.1);
    --card-hover-border: rgba(242, 101, 34, 0.38);
    --text-primary: #3d4046;
    --text-footer: #ffffff;
    --text-muted: #68717c;
    --accent-primary: #f26522;
    --accent-secondary: #1b9fe7;
    --accent-purple: #f26522;
    --accent-pink: #e43d24;
    --accent-blue: #1b9fe7;
    --surface-soft: #eef4f8;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', 'Kanit', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* ============================================
   SMOOTH SCROLL REVEAL SYSTEM
   Premium reveal with GPU acceleration
   ============================================ */
.reveal {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Reveal from left */
.reveal-left {
    opacity: 0;
    transform: translate3d(-60px, 0, 0);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-left.active {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Reveal with scale */
.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delay for sequential reveals */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }
.reveal-delay-7 { transition-delay: 0.56s; }
.reveal-delay-8 { transition-delay: 0.64s; }
.reveal-delay-9 { transition-delay: 0.72s; }


/* Typography Overrides for English words */
h1, h2, h3, .tag, .logo {
    font-family: 'Inter', 'Kanit', sans-serif;
}
.hero h1, .contact-section h2 {
    text-transform: none;
}


/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 5%;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: padding 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.4s ease,
                box-shadow 0.4s ease;
}

.navbar.scrolled {
    padding: 0.75rem 5%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-admin {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0.5rem;
}

/* Category Management Button */
.category-btn {
    background: linear-gradient(135deg, var(--accent-blue), #0d7fbd);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.category-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

/* Improve text readability with dark gradient overlay */
.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 40%,      /* โปร่งใสถึง 40% */
        rgba(0, 0, 0, 0.75) 100%    /* มืด 75% ที่ด้านล่าง */
    );
    border-radius: 20px;
    pointer-events: none;
    z-index: 1;
}

/* Reduce image brightness for better text contrast */
.card-image {
    filter: brightness(0.7);
    opacity: 1 !important;
}

/* Ensure content stays above the overlay */
.card-content {
    position: relative;
    z-index: 2;
    padding-bottom: 1.5rem; /* Move text upward from bottom */
}

.card-arrow {
    position: relative;
    z-index: 2;
}

/* Add text shadow for better contrast */
.card-content h2,
.card-content h3 {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    color: #ffffff;
    font-weight: 600;
}

/* Improve description text style for better readability */
.card-content p {
    color: #ffffff;
    opacity: 0.9;
    font-size: 14px;
    line-height: 1.6;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.card-content .tag {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    background: transparent; /* ลบพื้นหลัง */
    border: none; /* ลบขอบ */
    padding: 0; /* ลบ padding */
    color: #ffffff;
}

/* Card Image Hover Zoom Effect */
.card:hover .card-image {
    transform: scale(1.05);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Make text more readable */
.card-content h2,
.card-content h3 {
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.card-content p {
    color: #ffffff;
    opacity: 1;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.card-content .tag {
    background: transparent; /* ลบพื้นหลัง */
    border: none; /* ลบขอบ */
    padding: 0; /* ลบ padding */
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* Reduce overlay opacity for better image visibility */
.gradient-bottom {
    opacity: 0.3;
}

/* Remove any dark overlays on card images */
.card-image::before,
.card-image::after {
    display: none;
}

/* Contact Form Loading State */
#contact-submit-btn.loading {
    position: relative;
    pointer-events: none;
}

#contact-submit-btn .loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Global Performance Optimizations */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Micro-interactions - Modern SaaS Style */
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.btn-primary {
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

/* Card Hover Effects */
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Button Hover Effects */
.admin-btn:hover, .manage-btn:hover, .category-btn:hover {
    transform: translateY(-2px);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* Input Focus Effects */
input:focus, textarea:focus, select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.24);
    border-color: var(--accent-purple);
    transform: translateY(-1px);
    transition: all 0.2s ease;
}

/* Responsive Modal Content */
@media (max-width: 768px) {
    .modal-content {
        margin: 1rem;
        max-width: 95%;
    }
}

/* Portfolio Horizontal Layout Responsiveness */
@media (max-width: 992px) {
    .portfolio-row {
        flex-direction: column !important;
        gap: 2rem !important;
        margin-bottom: 5rem !important;
    }
    
    .portfolio-info {
        align-items: flex-start !important;
        text-align: left !important;
        padding: 0 !important;
    }
    
    .portfolio-info h2 {
        font-size: 2.5rem !important;
    }
    
    .portfolio-visual {
        width: 100%;
        padding-bottom: 2rem;
    }
    
    .view-project-btn {
        left: 50% !important;
        right: auto !important;
        bottom: 0 !important;
        top: auto !important;
        transform: translate(-50%, 50%) !important;
    }
}

/* Image Optimization */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Consistent Spacing Scale */
:root {
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
}

/* Lightweight Shadows */
.card {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.modal-content {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Consistent Border Radius */
.btn-primary, .card, .modal-content, .form-group input, .form-group textarea, .form-group select {
    border-radius: 8px;
}

.modal-content {
    border-radius: 16px;
}

/* Project Form Modern Styling */
.admin-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 768px) {
    .admin-form {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-purple);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.18);
    transform: translateY(-1px);
}

/* Radio Button Modern Styling */
input[type="radio"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

input[type="radio"]:checked {
    border-color: var(--accent-purple);
    background: var(--accent-purple);
}

input[type="radio"]:checked::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

input[type="radio"]:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 4px rgba(242, 101, 34, 0.18);
}

/* Project Type Selection */
.form-group div[style*="display: flex"] label {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    border-radius: 12px;
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: var(--space-sm);
}

.form-group div[style*="display: flex"] label:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-group div[style*="display: flex"] label:has(input:checked) {
    border-color: var(--accent-purple);
    background: rgba(242, 101, 34, 0.1);
}

/* Action Buttons */
.action-btns {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.action-btns button {
    flex: 1;
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Modal Modern Styling */
.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-backdrop {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

/* Legacy Navigation Styling Removed */

/* Nav Links Custom Override Handled Above */

/* Filter Buttons Modern */
.filter-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(242, 101, 34, 0.2), transparent);
    transition: left 0.3s ease;
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn.active {
    background: var(--accent-purple);
    color: white;
    transform: translateY(-1px);
}

/* Smooth Scroll Reveal (duplicate override — use main one above) */
.reveal.active {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Lazy Loading Images — opt-in fade. Add class .lazy-fade-in on an <img>
   to start at opacity 0 and fade in once a .loaded class is set. Default
   <img loading="lazy"> elements render normally to avoid stuck-invisible
   bugs when JS doesn't tag them as loaded. */
img.lazy-fade-in {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy-fade-in.loaded {
    opacity: 1;
}

/* Smooth Hover States */
.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

/* Focus Management */
.focus-ring {
    position: relative;
}

.focus-ring::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid var(--accent-purple);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.focus-ring:focus::after {
    opacity: 1;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-purple);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Micro-interactions */
.micro-bounce {
    transition: transform 0.15s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.micro-bounce:hover {
    transform: translateY(-2px) scale(1.02);
}

.micro-bounce:active {
    transform: translateY(0) scale(0.98);
}

/* Language Toggle Button */
.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-purple);
    transform: translateY(-1px);
}

.lang-btn:active {
    transform: translateY(0);
}

/* Admin Buttons - Logout and Manage Mode */
.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}

/* Logout button */
#navbar-admin-btn {
    background: rgba(242, 101, 34, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(242, 101, 34, 0.3);
}

#navbar-admin-btn:hover {
    background: rgba(242, 101, 34, 0.16);
    border-color: var(--accent-purple);
}

/* Manage Mode button */
.manage-btn {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.manage-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: #60a5fa;
}

.dashboard-btn {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.dashboard-btn:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: #22c55e;
}

/* Nav CTA - Fix layout */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-cta .btn-primary {
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 0.7rem 1.5rem;
    font-weight: 600;
    background: var(--text-primary);
    border: 1px solid var(--text-primary);
    color: var(--bg-main);
    box-shadow: none;
    transition: all 0.3s ease;
}

.nav-cta .btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}



.logo {
    flex: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    white-space: nowrap;
}

.logo-crop {
    position: relative;
    display: block;
    overflow: hidden;
    background: #ffffff;
}

.logo-crop .brand-logo {
    position: absolute;
    left: 50%;
    width: 100%;
    max-width: none;
    height: auto;
    transform: translateX(-50%);
}

.logo-crop-nav {
    width: 190px;
    height: 82px;
}

.logo-crop-nav .brand-logo {
    top: -48px;
}

.nav-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    border-radius: 50%;
    background: var(--text-primary);
    transition: width 0.2s ease, height 0.2s ease;
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 4px;
}


/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: 0.3s;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


.btn-primary {
    background: var(--text-primary);
    color: var(--bg-main);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    transform: translateY(-2px);
}

/* Container */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
    position: relative;
    z-index: 10;
}

/* Hero Section */
.hero {
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    min-height: min(720px, calc(100vh - 136px));
    padding: clamp(2rem, 6vw, 5rem);
    margin-bottom: 5rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    border-radius: 8px;
    background: #111314;
    color: white;
    box-shadow: 0 24px 80px rgba(17, 24, 39, 0.14);
}

.hero-image,
.hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    object-fit: cover;
    object-position: center;
    z-index: -2;
    filter: saturate(0.92) contrast(1.05);
}

.hero-overlay {
    z-index: -1;
    background:
        linear-gradient(90deg, rgba(17, 19, 20, 0.92) 0%, rgba(17, 19, 20, 0.72) 44%, rgba(17, 19, 20, 0.25) 100%),
        linear-gradient(0deg, rgba(17, 19, 20, 0.66) 0%, rgba(17, 19, 20, 0) 42%);
}

.hero-content {
    max-width: 820px;
}

.hero-kicker,
.section-kicker {
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 5.85rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: 0;
    color: #ffffff;
}

.hero h1 span {
    color: #ffffff;
}

.hero-copy {
    color: rgba(255, 255, 255, 0.84);
    font-size: 1.25rem;
    max-width: 680px;
    margin: 0 0 2rem 0;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.25rem;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0;
}

.hero-btn .arrow-icon {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.hero-btn:hover .arrow-icon {
    transform: translateX(5px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 999px;
    padding: 1rem 1.6rem;
    text-decoration: none;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.64);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(140px, 1fr));
    gap: 1rem;
    max-width: 760px;
}

.hero-metrics div {
    border-top: 1px solid rgba(255, 255, 255, 0.28);
    padding-top: 1rem;
}

.hero-metrics strong,
.hero-metrics span {
    display: block;
}

.hero-metrics strong {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.hero-metrics span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.92rem;
}

.section-intro {
    max-width: 760px;
    margin: 0 auto 3rem;
    text-align: center;
}

.section-intro h2,
.services-section h2,
.process-section h2,
.about-section h2 {
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.08;
    letter-spacing: 0;
    margin-bottom: 1.25rem;
}

.section-intro p:last-child {
    color: var(--text-muted);
    font-size: 1.08rem;
    line-height: 1.8;
}

/* Bento Grid redefined as Stacked Rows */
.bento-grid {
    display: flex;
    flex-direction: column;
    gap: 8rem;
    padding: 2rem 0;
}

/* Portfolio preview grid (home page) */
.portfolio-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.25rem;
    padding: 2.5rem 0 1rem;
}

.portfolio-preview-card {
    position: relative;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.portfolio-preview-card:hover {
    transform: translateY(-6px);
    border-color: rgba(242, 101, 34, 0.35);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}

.portfolio-preview-media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--surface-soft, #eef4f8);
}

.portfolio-preview-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-preview-card:hover .portfolio-preview-media img {
    transform: scale(1.04);
}

.portfolio-preview-info {
    padding: 1.5rem 1.75rem 1.75rem;
    text-align: center;
}

.portfolio-preview-tag {
    display: inline-block;
    margin-bottom: 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.portfolio-preview-info h3 {
    margin: 0 0 0.65rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.portfolio-preview-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

/* Admin controls on preview cards */
.portfolio-preview-card .admin-card-controls {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.4rem;
    z-index: 5;
}

.portfolio-preview-card .btn-edit-inline,
.portfolio-preview-card .btn-delete-inline {
    padding: 0.35rem 0.7rem;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

.portfolio-preview-card .btn-edit-inline {
    background: rgba(59, 130, 246, 0.9);
}

.portfolio-preview-card .btn-delete-inline {
    background: rgba(239, 68, 68, 0.9);
}

/* Admin "Add Project" tile */
.portfolio-preview-add {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 280px;
    background: rgba(255, 255, 255, 0.02);
    border: 2px dashed var(--card-border);
    border-radius: 16px;
    color: var(--text-muted);
    cursor: pointer;
    font: inherit;
    transition: border-color 0.25s ease, color 0.25s ease;
}

.portfolio-preview-add:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.portfolio-preview-add-icon {
    font-size: 2.5rem;
    line-height: 1;
}

/* View all button */
.portfolio-view-all {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.25rem;
    background: var(--text-primary);
    color: #ffffff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
    border-radius: 999px;
    letter-spacing: 0.02em;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-view-all > span {
    color: #ffffff;
    font-size: inherit;
    line-height: inherit;
}

.btn-view-all:hover {
    background: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(242, 101, 34, 0.28);
}

@media (max-width: 960px) {
    .portfolio-preview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 640px) {
    .portfolio-preview-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.card:hover .card-image {
    transform: scale(1.1);
    opacity: 0.5;
}


.card:hover {
    border-color: var(--card-hover-border);
}

.card-large {
    grid-column: span 2;
    grid-row: span 2;
    justify-content: flex-start;
}

.card-content {
    position: relative;
    z-index: 2;
}

/* Card Typography */
.tag {
    display: inline-block;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-weight: 600;
    background: transparent; /* ลบพื้นหลัง */
    border: none; /* ลบขอบ */
    padding: 0; /* ลบ padding */
}

.card-large .tag {
    margin-bottom: 1.5rem;
}

.card h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: #ffffff; /* keep white for text over images */
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: #ffffff;
    line-height: 1.3;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    max-width: 85%;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* Card Arrow Icon */
.card-arrow {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 2;
}

.card:hover .card-arrow {
    background: var(--text-primary);
    color: var(--bg-main);
    transform: translate(3px, -3px);
}

/* Gradients and Orbs within Cards */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    z-index: 0;
    transition: transform 0.6s ease;
}

.orb-1 {
    bottom: -80px;
    right: -80px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(242, 101, 34, 0.3) 0%, rgba(27, 159, 231, 0.12) 60%, transparent 100%);
}

.card:hover .orb-1 {
    transform: scale(1.1) translate(-20px, -20px);
}

.gradient-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.pink-glow {
    background: radial-gradient(ellipse at center bottom, rgba(242, 101, 34, 0.24) 0%, transparent 70%);
}

.purple-glow {
    background: radial-gradient(ellipse at center bottom, rgba(27, 159, 231, 0.22) 0%, transparent 70%);
}

.card:hover .gradient-bottom {
    opacity: 1;
}

/* Services Section */
.services-section {
    margin-top: 6rem;
    padding: 4rem 0;
    text-align: center;
}

.services-section h2 {
    max-width: 820px;
    margin: 0 auto 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    text-align: left;
    min-height: 260px;
}

.service-card:hover {
    border-color: var(--accent-purple);
    transform: translateY(-5px);
}

.service-card span,
.process-step span {
    display: inline-block;
    color: var(--accent-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* Process Section */
.process-section {
    margin-top: 5rem;
    padding: 4rem 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--card-border);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
}

.process-step {
    background: var(--bg-main);
    padding: 2rem;
    min-height: 260px;
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.process-step p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* About Section */
.about-section {
    margin-top: 6rem;
    padding: 5rem 0;
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
    text-align: left;
}

.about-section h2 {
    margin-bottom: 1.5rem;
}

.about-section p {
    color: var(--text-muted);
    font-size: 1.08rem;
    max-width: 640px;
    margin: 0;
    line-height: 1.8;
}

.about-points {
    display: grid;
    gap: 1.25rem;
}

.about-points div {
    padding-top: 1.25rem;
    border-top: 1px solid var(--card-border);
}

.about-points strong,
.about-points span {
    display: block;
}

.about-points strong {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.about-points span {
    color: var(--text-muted);
    line-height: 1.7;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

/* Contact Section */
.contact-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(242, 101, 34, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.contact-section {
    margin-top: 8rem;
    padding: 6rem 3rem;
    background: var(--bg-footer);
    border-radius: 8px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    color: var(--text-footer);
}

.contact-section p {
    color: var(--text-footer);
    opacity: 0.8;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
    font-size: 1.2rem;
    line-height: 1.7;
}

.contact-channels {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.contact-channels a {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.4rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}

.contact-channels a:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.38);
    background: rgba(255, 255, 255, 0.12);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
    padding: 0;
}

.input-group {
    width: 100%;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: white;
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
    position: relative;
}

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

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.56);
    font-size: 1rem;
}

.contact-form input:hover,
.contact-form textarea:hover {
    border-color: rgba(242, 101, 34, 0.32);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    transform: translateY(-1px);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent-purple);
    background: linear-gradient(135deg, rgba(242, 101, 34, 0.15), rgba(242, 101, 34, 0.05));
    box-shadow: 0 0 0 4px rgba(242, 101, 34, 0.18), 0 8px 32px rgba(242, 101, 34, 0.1);
    transform: translateY(-2px);
}

.form-submit {
    margin-top: 1rem;
    padding: 1.25rem;
    border-radius: 12px;
    width: 100%;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    box-sizing: border-box;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(242, 101, 34, 0.28);
    color: white;
    background: linear-gradient(135deg, #b976f8, #ed62a8);
}

/* Contact Section Responsive */
@media (max-width: 1024px) {
    .contact-form {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding: 4rem 1.5rem;
        margin-top: 6rem;
    }
    
    .contact-section h2 {
        font-size: 2rem;
    }
    
    .contact-section p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .contact-channels {
        gap: 1rem;
        margin-bottom: 2rem;
    }
    
    .contact-channels a {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .contact-form {
        max-width: 100%;
    }
    
    .contact-form input,
    .contact-form textarea {
        padding: 1.2rem 1rem;
        font-size: 1rem;
        border-radius: 14px;
    }
    
    .form-submit {
        padding: 1.2rem;
        font-size: 1.1rem;
        border-radius: 14px;
    }
}

@media (max-width: 576px) {
    .contact-section {
        padding: 3rem 1rem;
    }
    
    .contact-channels {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-channels a {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .contact-form input,
    .contact-form textarea {
        padding: 1rem 0.9rem;
        font-size: 0.95rem;
        border-radius: 12px;
    }
    
    .form-submit {
        padding: 1.1rem;
        font-size: 1rem;
        border-radius: 12px;
    }
}

/* Ambient Background Glows */
.bg-glow {
    position: fixed;
    width: 900px;
    height: 900px;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 1;
}

.top-glow {
    top: -300px;
    left: -200px;
    background: radial-gradient(circle, rgba(242, 101, 34, 0.18) 0%, transparent 60%);
    animation: glow-drift-1 12s ease-in-out infinite;
}

.bottom-glow {
    bottom: -300px;
    right: -200px;
    background: radial-gradient(circle, rgba(27, 159, 231, 0.15) 0%, transparent 60%);
    animation: glow-drift-2 15s ease-in-out infinite;
}

.center-glow {
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(242, 101, 34, 0.06) 0%, transparent 70%);
    animation: glow-pulse 8s ease-in-out infinite;
}

@keyframes glow-drift-1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(40px, 30px); }
    66% { transform: translate(-20px, 50px); }
}

@keyframes glow-drift-2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-30px, -40px); }
    66% { transform: translate(40px, -20px); }
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

/* Responsive Design */
/* Media query modifications handled primarily in main responsive section */

@media (max-width: 768px) {
    .hero {
        margin-top: 2rem;
        min-height: auto;
        padding: 4rem 1.5rem;
    }

    .hero-actions {
        width: 100%;
    }

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

    .hero-metrics {
        grid-template-columns: 1fr;
        width: 100%;
    }

    .menu-toggle {
        display: flex;
    }
    
    .nav-cta .btn-primary {
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }
    
    .lang-btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 10, 12, 0.98);
        backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        border-left: 1px solid var(--card-border);
    }

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

    .nav-links a {
        margin: 1.5rem 0;
        font-size: 1.25rem;
    }


    .contact-section {
        padding: 3rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Visibility Helpers */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    .mobile-only {
        display: block;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--text-primary);
    color: var(--bg-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    background: var(--accent-purple);
    color: white;
}

/* Modal System */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(8px);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: #121216;
    border: 1px solid var(--card-border);
    border-radius: 24px;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: modalIn 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
    z-index: 100;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
}

.modal-image-container {
    width: 100%;
    height: 100%;
    min-height: 400px;
    background: #000;
}

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

.modal-info {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-info h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.modal-tools {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.modal-tools strong {
    color: var(--text-primary);
}

.modal-info p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

@media (max-width: 850px) {
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-image-container {
        min-height: 250px;
    }
    
    .modal-info {
        padding: 2rem;
    }
}

/* Filter Tabs */
.filter-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--accent-purple);
    color: var(--text-primary);
    background: rgba(242, 101, 34, 0.1);
}

/* Admin Styles (Internal to Dashboard) */
.admin-container {
    padding-top: 5rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.admin-table-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 2rem;
    width: 100%;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}

.admin-table th {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-img-preview {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
}

.action-btns {
    display: flex;
    gap: 0.75rem;
}

.btn-edit, .btn-delete {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    border: none;
    transition: 0.3s;
}

.btn-edit { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.btn-delete { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.btn-edit:hover { background: #3b82f6; color: white; }
.btn-delete:hover { background: #ef4444; color: white; }

/* Admin Form Modal */
.admin-form {
    display: grid;
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input, .form-group textarea, .form-group select {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    padding: 0.85rem;
    border-radius: 10px;
    color: white;
    font-family: inherit;
}

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

/* Project Form Modal — single-column section-card layout */
.project-form-modal-content {
    max-width: 720px;
    padding: 0;
}

.project-form-header {
    padding: 2.25rem 2.5rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.project-form-header h2 {
    margin: 0 0 0.4rem;
    font-size: 1.5rem;
}

.project-form-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.project-form-grid {
    padding: 1.75rem 2.5rem 1.5rem;
    gap: 1.25rem;
}

.form-section-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 1.5rem;
    transition: border-color 0.25s ease, background 0.25s ease;
}

.form-section-card:focus-within {
    border-color: rgba(242, 101, 34, 0.4);
    background: rgba(255, 255, 255, 0.03);
}

.form-section-head {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.form-section-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(242, 101, 34, 0.12);
    border: 1px solid rgba(242, 101, 34, 0.25);
    border-radius: 10px;
    font-size: 1.15rem;
}

.form-section-head h3 {
    margin: 0 0 0.2rem;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.form-section-head p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.4;
}

.form-section-body {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

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

/* Image upload dropzone */
.image-upload-container {
    border: 2px dashed rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    transition: border-color 0.25s ease, background 0.25s ease;
    cursor: pointer;
}

.image-upload-container:hover,
.image-upload-container.dragover {
    border-color: rgba(242, 101, 34, 0.5);
    background: rgba(242, 101, 34, 0.04);
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.upload-title {
    margin: 0 0 0.35rem;
    color: var(--text-primary);
    font-weight: 600;
}

.upload-hint {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.upload-note {
    margin: 0.85rem 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.upload-progress {
    margin-top: 1rem;
}

.progress-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    height: 8px;
}

.progress-bar {
    background: var(--accent-purple);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.image-preview-container {
    margin-top: 1rem;
}

.preview-title {
    margin: 0 0 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
}

/* Client links */
.client-links-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.btn-add-link {
    align-self: flex-start;
    margin-top: 0.6rem;
    padding: 0.55rem 1rem;
    background: rgba(27, 159, 231, 0.1);
    border: 1px solid rgba(27, 159, 231, 0.3);
    border-radius: 8px;
    color: #1b9fe7;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.25s ease, transform 0.15s ease;
}

.btn-add-link:hover {
    background: rgba(27, 159, 231, 0.18);
}

.btn-add-link:active {
    transform: scale(0.98);
}

.form-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 0.4rem;
    display: block;
}

.form-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    background: rgba(242, 101, 34, 0.06);
    border: 1px solid rgba(242, 101, 34, 0.22);
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.form-checkbox-label:hover {
    background: rgba(242, 101, 34, 0.1);
    border-color: rgba(242, 101, 34, 0.35);
}

.form-checkbox-label input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* Sticky footer */
.project-form-footer {
    position: sticky;
    bottom: 0;
    margin: 0.5rem -2.5rem -1.5rem;
    padding: 1.25rem 2.5rem;
    background: linear-gradient(180deg, rgba(18, 18, 22, 0.6), #121216 40%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: flex-end;
    backdrop-filter: blur(6px);
    z-index: 2;
}

.btn-submit {
    min-width: 220px;
}

/* Danger zone (outside the main form) */
.project-form-danger-zone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 0;
    padding: 1.25rem 2.5rem 2rem;
    border-top: 1px dashed rgba(248, 113, 113, 0.2);
    background: rgba(248, 113, 113, 0.03);
}

.project-form-danger-zone strong {
    display: block;
    color: #f87171;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.project-form-danger-zone p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn-danger-ghost {
    flex-shrink: 0;
    padding: 0.65rem 1.2rem;
    background: transparent;
    border: 1px solid rgba(248, 113, 113, 0.4);
    color: #f87171;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.25s ease;
}

.btn-danger-ghost:hover {
    background: rgba(248, 113, 113, 0.1);
}

@media (max-width: 720px) {
    .project-form-header,
    .project-form-grid,
    .project-form-danger-zone {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .project-form-footer {
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .project-form-danger-zone {
        flex-direction: column;
        align-items: stretch;
    }
    .btn-submit {
        width: 100%;
    }
}

/* Performance Optimizations */
.card-image,
.modal-image-container img {
    will-change: transform;
    backface-visibility: hidden;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Focus States for Accessibility */
.btn-primary:focus,
.filter-btn:focus,
.admin-btn:focus,
.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid var(--accent-purple);
    outline-offset: 2px;
}

/* Skip to Content Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-purple);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
}

.skip-link:focus {
    top: 6px;
}

/* T&N Control Brand Theme */
.navbar {
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(61, 64, 70, 0.1);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 12px 34px rgba(61, 64, 70, 0.08);
}

.nav-admin {
    flex: 0 0 232px;
}

.nav-right {
    flex: 1 1 auto;
}

.btn-primary,
.nav-cta .btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 12px 28px rgba(242, 101, 34, 0.2);
}

.btn-primary:hover,
.nav-cta .btn-primary:hover {
    background: #ffffff;
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 12px 28px rgba(242, 101, 34, 0.12);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(255, 255, 255, 0.72);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #ffffff;
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

#navbar-admin-btn,
.lang-btn {
    background: rgba(242, 101, 34, 0.08);
    border-color: rgba(242, 101, 34, 0.22);
    color: var(--accent-primary);
}

#navbar-admin-btn:hover,
.lang-btn:hover {
    background: rgba(242, 101, 34, 0.14);
    border-color: var(--accent-primary);
}

.category-btn {
    background: linear-gradient(135deg, var(--accent-blue), #0d7fbd);
}

.manage-btn {
    background: rgba(27, 159, 231, 0.1);
    border-color: rgba(27, 159, 231, 0.24);
    color: var(--accent-blue);
}

.manage-btn:hover {
    background: rgba(27, 159, 231, 0.16);
    border-color: var(--accent-blue);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-primary);
}

.nav-links a::after {
    background: var(--accent-primary);
}

.hero {
    background: var(--text-primary);
    box-shadow: 0 30px 80px rgba(61, 64, 70, 0.18);
}

.hero-overlay {
    background:
        radial-gradient(circle at 82% 18%, rgba(27, 159, 231, 0.34) 0%, rgba(27, 159, 231, 0) 34%),
        radial-gradient(circle at 74% 78%, rgba(242, 101, 34, 0.42) 0%, rgba(242, 101, 34, 0) 38%),
        linear-gradient(90deg, rgba(48, 52, 58, 0.96) 0%, rgba(48, 52, 58, 0.8) 48%, rgba(48, 52, 58, 0.3) 100%),
        linear-gradient(0deg, rgba(48, 52, 58, 0.7) 0%, rgba(48, 52, 58, 0) 45%);
}

.logo-crop-hero {
    width: min(520px, 86vw);
    height: clamp(178px, 40vw, 248px);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
}

.logo-crop-hero .brand-logo {
    top: clamp(-126px, -24vw, -86px);
}

.hero-kicker,
.section-kicker,
.service-card span,
.process-step span {
    color: var(--accent-primary);
}

.hero-metrics div {
    border-top-color: rgba(255, 138, 24, 0.48);
}

.section-intro h2,
.services-section h2,
.process-section h2,
.about-section h2 {
    color: var(--text-primary);
}

.service-card,
.process-step,
.about-points div,
.project-detailed-card {
    border-color: rgba(61, 64, 70, 0.1);
}

.service-card:hover,
.project-detailed-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 18px 42px rgba(242, 101, 34, 0.12);
}

.process-grid {
    background: rgba(61, 64, 70, 0.1);
    border-color: rgba(61, 64, 70, 0.1);
}

.filter-btn::before {
    background: linear-gradient(90deg, transparent, rgba(242, 101, 34, 0.2), transparent);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(242, 101, 34, 0.09);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
    color: #ffffff;
}

.tag-pill,
.tool-tag {
    border-color: rgba(242, 101, 34, 0.16);
}

.tag-pill {
    background: rgba(242, 101, 34, 0.08);
    color: var(--accent-primary);
}

.portfolio-info h2 {
    letter-spacing: 0 !important;
    text-transform: none !important;
}

.view-project-btn:hover {
    color: var(--accent-primary) !important;
    border-color: rgba(242, 101, 34, 0.32) !important;
}

.orb-1 {
    background: radial-gradient(circle, rgba(242, 101, 34, 0.28) 0%, rgba(27, 159, 231, 0.14) 62%, transparent 100%);
}

.pink-glow {
    background: radial-gradient(ellipse at center bottom, rgba(242, 101, 34, 0.22) 0%, transparent 70%);
}

.purple-glow {
    background: radial-gradient(ellipse at center bottom, rgba(27, 159, 231, 0.2) 0%, transparent 70%);
}

.contact-bg-glow {
    background:
        radial-gradient(circle at 32% 38%, rgba(242, 101, 34, 0.18) 0%, transparent 46%),
        radial-gradient(circle at 72% 60%, rgba(27, 159, 231, 0.14) 0%, transparent 42%);
}

.contact-section {
    background:
        radial-gradient(circle at top left, rgba(242, 101, 34, 0.22), transparent 36%),
        radial-gradient(circle at bottom right, rgba(27, 159, 231, 0.18), transparent 34%),
        var(--bg-footer);
}

.contact-form input:hover,
.contact-form textarea:hover {
    border-color: rgba(242, 101, 34, 0.38);
}

.contact-form input:focus,
.contact-form textarea:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(242, 101, 34, 0.16);
}

.card,
.filter-btn,
.contact-form input,
.contact-form textarea,
.modal-content {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.form-submit,
.form-submit:hover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
    box-shadow: 0 16px 32px rgba(242, 101, 34, 0.24);
}

.back-to-top:hover,
.skip-link {
    background: var(--accent-primary);
}

@media (max-width: 900px) {
    .logo-crop-nav {
        width: 176px;
        height: 76px;
    }

    .logo-crop-nav .brand-logo {
        top: -45px;
    }

    .nav-admin {
        flex: 0 1 auto;
    }
}

@media (max-width: 768px) {
    .navbar {
        gap: 0.85rem;
        padding: 0.85rem 1rem;
    }

    .logo-crop-nav {
        width: 150px;
        height: 66px;
    }

    .logo-crop-nav .brand-logo {
        top: -38px;
    }

    .logo-crop-hero {
        width: 100%;
        max-width: 380px;
        height: 182px;
    }

    .logo-crop-hero .brand-logo {
        top: -92px;
    }

    .nav-links {
        background:
            radial-gradient(circle at top, rgba(242, 101, 34, 0.18), transparent 42%),
            rgba(48, 52, 58, 0.98);
    }

    .nav-links a {
        color: rgba(255, 255, 255, 0.78);
    }

    .nav-links a:hover {
        color: #ffffff;
    }
}

/* Categorized Service Navigation */
.nav-links-categorized {
    flex: 1 1 720px;
    max-width: 820px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.85rem 2.2rem;
}

.nav-links-categorized a {
    margin: 0;
    color: var(--text-primary);
    font-family: 'Kanit', var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
}

.nav-links-categorized .nav-faq-link {
    flex: 0 0 100%;
    text-align: center;
    color: var(--text-muted);
}

.nav-cta {
    flex: 0 0 auto;
}

.services-section {
    scroll-margin-top: 150px;
}

.service-categories {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    margin: 3rem 0 1.5rem;
}

.service-category-card {
    position: relative;
    overflow: hidden;
    min-height: 270px;
    padding: 2rem;
    border: 1px solid rgba(61, 64, 70, 0.1);
    border-radius: 8px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(246, 248, 251, 0.96)),
        var(--card-bg);
    box-shadow: 0 18px 42px rgba(61, 64, 70, 0.06);
}

.service-category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-top: 4px solid var(--accent-primary);
    pointer-events: none;
}

.service-category-card:nth-child(2)::before {
    border-top-color: var(--accent-secondary);
}

.service-category-card:nth-child(3)::before {
    border-top-color: var(--accent-blue);
}

.service-category-card span,
.insight-card span {
    display: inline-block;
    margin-bottom: 1.25rem;
    color: var(--accent-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.service-category-card h3,
.insight-card h3 {
    color: var(--text-primary);
    font-size: 1.35rem;
    line-height: 1.25;
    margin-bottom: 1.25rem;
}

.service-category-card ul {
    display: grid;
    gap: 0.8rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.service-category-card li {
    position: relative;
    padding-left: 1.2rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.service-category-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-primary);
}

.service-category-card:nth-child(2) li::before {
    background: var(--accent-secondary);
}

.service-category-card:nth-child(3) li::before {
    background: var(--accent-blue);
}

.service-detail-grid {
    margin-top: 1.25rem;
}

.insights-section,
.faq-section {
    margin-top: 6rem;
}

.insights-section h2,
.faq-section h2 {
    color: var(--text-primary);
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.08;
    letter-spacing: 0;
    margin-bottom: 1.25rem;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.insight-card {
    min-height: 230px;
    padding: 2rem;
    border: 1px solid rgba(61, 64, 70, 0.1);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 18px 42px rgba(61, 64, 70, 0.05);
}

.insight-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

.faq-list {
    max-width: 920px;
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

.faq-list details {
    border: 1px solid rgba(61, 64, 70, 0.1);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 14px 34px rgba(61, 64, 70, 0.05);
}

.faq-list summary {
    cursor: pointer;
    padding: 1.25rem 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.5;
}

.faq-list p {
    margin: 0;
    padding: 0 1.5rem 1.4rem;
    color: var(--text-muted);
    line-height: 1.75;
}

@media (max-width: 1320px) {
    .nav-links-categorized {
        gap: 0.75rem 1.35rem;
    }

    .nav-links-categorized a {
        font-size: 0.92rem;
    }

    .nav-cta .desktop-only {
        display: none;
    }
}

@media (max-width: 992px) {
    .service-categories,
    .insights-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links-categorized {
        flex-wrap: nowrap;
        gap: 0;
        max-width: none;
    }

    .nav-links-categorized .nav-faq-link {
        flex: 0 0 auto;
        color: rgba(255, 255, 255, 0.78);
    }

    .service-category-card,
    .insight-card {
        min-height: auto;
        padding: 1.5rem;
    }

    .insights-section,
    .faq-section {
        margin-top: 4rem;
    }
}