/* =====================================================
   JAI Solution - CSS Styles
   Modern Dark Theme with Blue Accent
   ===================================================== */

/* CSS Variables / Design Tokens */
:root {
    /* Colors - JAI Solution Brand Colors - LIGHT THEME */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-card: rgba(255, 255, 255, 0.95);

    --color-text-primary: #1e3a5f;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;

    /* Navy Blue from logo */
    --color-accent-primary: #1e3a5f;
    --color-accent-secondary: #2d5a87;
    --color-accent-glow: rgba(30, 58, 95, 0.15);

    /* Red from logo for gradient accent */
    --color-brand-red: #c53030;
    --color-brand-red-light: #e53e3e;

    --color-gradient-start: #1e3a5f;
    --color-gradient-end: #c53030;

    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows - Softer for light theme */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px var(--color-accent-glow);

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(30, 58, 95, 0.1);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    color: var(--color-text-primary);
}

.logo-highlight {
    color: var(--color-accent-primary);
}

.logo-img {
    height: 160px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.nav-logo:hover .logo-img {
    transform: scale(1.05);
}

.footer-logo .logo-img {
    height: 50px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

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

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 60%);
    opacity: 0.6;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-accent-secondary);
    margin-bottom: var(--spacing-lg);
}

.badge-icon {
    width: 15px;
    height: 15px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-brand-red), var(--color-brand-red-light));
    color: white;
    box-shadow: 0 0 30px rgba(197, 48, 48, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(197, 48, 48, 0.5);
}

.btn-secondary {
    background: rgba(30, 58, 95, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(30, 58, 95, 0.2);
}

.btn-secondary:hover {
    background: rgba(30, 58, 95, 0.1);
    border-color: rgba(30, 58, 95, 0.3);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn-full {
    width: 100%;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(30, 58, 95, 0.2);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.visual-card {
    position: relative;
    width: 100%;
    max-width: 450px;
}

.card-glow {
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    border-radius: var(--radius-xl);
    opacity: 0.3;
    filter: blur(20px);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.5;
    }
}

.card-content {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(30, 58, 95, 0.15);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-block {
    background: #1e293b;
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red {
    background: #ff5f56;
}

.dot.yellow {
    background: #ffbd2e;
}

.dot.green {
    background: #27ca3f;
}

.code-title {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: #94a3b8;
}

.code-content {
    padding: var(--spacing-lg);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.8;
    overflow-x: auto;
    color: #e2e8f0;
}

.code-content code {
    display: block;
}

.code-key {
    color: #79c0ff;
}

.code-string {
    color: #a5d6ff;
}

.code-number {
    color: #ffa657;
}

.code-success {
    color: #7ee787;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
}


section[id] {
    scroll-margin-top: 80px;
}

/* =====================================================
   About Section
   ===================================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(197, 48, 48, 0.25), transparent);
}

.about-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.about-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: rgba(197, 48, 48, 0.3);
    box-shadow: 0 0 40px rgba(30, 58, 95, 0.15);
}

.about-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.3), rgba(197, 48, 48, 0.2));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.about-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--color-brand-red-light);
}

.about-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.about-card-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.about-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(30, 58, 95, 0.12);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.06), rgba(197, 48, 48, 0.05));
}

.about-cta-icon {
    width: 32px;
    height: 32px;
    stroke: var(--color-brand-red);
    flex-shrink: 0;
}

.about-cta p {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin: 0;
}

/* =====================================================
   Services Section
   ===================================================== */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.services-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-secondary);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, var(--font-size-4xl));
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Service Card */
.service-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.3), rgba(197, 48, 48, 0.2));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(197, 48, 48, 0.3);
    box-shadow: 0 0 40px rgba(30, 58, 95, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.3), rgba(197, 48, 48, 0.2));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-brand-red-light);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    position: relative;
    padding-left: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-size: var(--font-size-xs);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-accent-secondary);
    cursor: pointer;
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: var(--spacing-md);
}

.service-link svg {
    width: 16px;
    height: 16px;
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
}

.contact-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-content .section-header {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.info-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-accent-secondary);
}

.info-text h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.info-text p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form .form-header {
    margin-bottom: var(--spacing-xl);
}

.contact-form .form-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-form .form-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

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

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background: #ffffff;
    border: 1px solid rgba(30, 58, 95, 0.2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b6b7b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    margin-top: var(--spacing-md);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: #1e3a5f;
    border-top: none;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

.footer-column h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: #ffffff;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        margin: 0 auto var(--spacing-xl);
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .visual-card {
        max-width: 400px;
    }

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

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

    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-content .section-header {
        text-align: center;
    }

    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        background: #ffffff;
        border-left: 1px solid rgba(30, 58, 95, 0.1);
        padding: var(--spacing-xl);
        transition: right var(--transition-base);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

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

    .about-cta {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .contact-info {
        flex-direction: column;
    }
}

/* =====================================================
   Animations (Scroll-based via JS)
   ===================================================== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}
/* Honeypot field - ซ่อนจากผู้ใช้จริง (กันสแปม) */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* =====================================================
   Portfolio / Case Studies Section
   ===================================================== */
.portfolio {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
    position: relative;
}

.portfolio-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.case-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 12px rgba(30, 58, 95, 0.06);
    transition: transform var(--transition-base), box-shadow var(--transition-base),
        border-color var(--transition-base);
}

.case-card:hover {
    transform: translateY(-6px);
    border-color: rgba(30, 58, 95, 0.25);
    box-shadow: 0 12px 30px rgba(30, 58, 95, 0.12);
}

.case-head {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.case-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: #ffffff;
}

.case-icon svg {
    width: 26px;
    height: 26px;
}

.case-tag {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent-secondary);
}

.case-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.case-desc {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.case-points {
    list-style: none;
    margin: 0 0 var(--spacing-sm);
    padding: 0;
}

.case-points li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.case-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.45em;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--color-brand-red);
}

.portfolio-cta {
    margin-top: var(--spacing-3xl);
    text-align: center;
}

.portfolio-cta p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   Legal / Privacy Page
   ===================================================== */
.legal {
    padding: calc(var(--spacing-3xl) * 2) 0 var(--spacing-3xl);
    background: var(--color-bg-secondary);
    min-height: 100vh;
}

.legal-container {
    max-width: 820px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--container-padding);
    background: #ffffff;
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 24px rgba(30, 58, 95, 0.07);
}

.legal-head {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(30, 58, 95, 0.1);
}

.legal-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: #ffffff;
}

.legal-icon svg {
    width: 30px;
    height: 30px;
}

.legal-head h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.legal-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: var(--spacing-xs) 0 0;
}

.legal-intro {
    color: var(--color-text-secondary);
    line-height: 1.85;
    margin-bottom: var(--spacing-xl);
}

.legal-block {
    margin-bottom: var(--spacing-xl);
}

.legal-block h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.legal-block p {
    color: var(--color-text-secondary);
    line-height: 1.85;
}

.legal-block a {
    color: var(--color-accent-secondary);
    font-weight: 500;
}

.legal-contact {
    padding: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-brand-red);
}

@media (max-width: 768px) {
    .legal-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* =====================================================
   Process Section
   ===================================================== */
.process {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.process-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.process-step {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.process-step:hover {
    transform: translateY(-5px);
    border-color: rgba(197, 48, 48, 0.3);
    box-shadow: 0 0 40px rgba(30, 58, 95, 0.15);
}

.process-num {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-lg);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.25;
}

.process-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.3), rgba(197, 48, 48, 0.2));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.process-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--color-brand-red-light);
}

.process-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.process-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* =====================================================
   FAQ Section
   ===================================================== */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
}

.faq-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid rgba(30, 58, 95, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq-item[open] {
    border-color: rgba(197, 48, 48, 0.3);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-primary);
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question span {
    flex: 1;
}

.faq-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    stroke: var(--color-brand-red);
}

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg) calc(var(--spacing-lg) + 22px + var(--spacing-md));
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.faq-answer a {
    color: var(--color-brand-red);
    text-decoration: underline;
}

/* =====================================================
   Floating LINE Button
   ===================================================== */
.float-line {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 900;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.15rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: #fff;
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: 0 8px 24px rgba(30, 58, 95, 0.35);
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.float-line:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(30, 58, 95, 0.45);
}

.float-line svg {
    width: 22px;
    height: 22px;
    stroke: #fff;
}

@media (max-width: 1024px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .process-grid {
        grid-template-columns: 1fr;
    }

    .float-line span {
        display: none;
    }

    .float-line {
        padding: 0.85rem;
    }
}

/* =====================================================
   Service Detail Pages
   ===================================================== */
.svc-breadcrumb {
    padding: calc(var(--spacing-3xl) * 1.3) 0 0;
    background: var(--color-bg-secondary);
}

.svc-breadcrumb-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.svc-breadcrumb-inner a {
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.svc-breadcrumb-inner a:hover {
    color: var(--color-accent-secondary);
}

.svc-hero {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    background: var(--color-bg-secondary);
}

.svc-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.svc-hero-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 76px;
    height: 76px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.25);
}

.svc-hero-icon svg {
    width: 38px;
    height: 38px;
}

.svc-hero-text h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.svc-hero-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 640px;
}

.svc-body {
    padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) * 1.2);
    background: var(--color-bg-primary);
}

.svc-body-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.svc-main {
    min-width: 0;
}

.svc-section {
    margin-bottom: var(--spacing-2xl);
}

.svc-section h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.svc-section p {
    color: var(--color-text-secondary);
    line-height: 1.85;
    margin-bottom: var(--spacing-sm);
}

.svc-list {
    display: grid;
    gap: var(--spacing-sm);
}

.svc-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.svc-list li svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-success);
}

.svc-steps {
    display: grid;
    gap: var(--spacing-md);
}

.svc-step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-md);
}

.svc-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    color: var(--color-accent-primary);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.svc-step-body h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.svc-step-body p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.svc-audience {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.svc-audience li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.svc-audience li svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent-secondary);
}

.svc-sidebar {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.svc-cta-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: #ffffff;
}

.svc-cta-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.svc-cta-card p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.svc-cta-card .btn {
    width: 100%;
    background: #ffffff;
    color: var(--color-accent-primary);
    box-shadow: none;
}

.svc-cta-card .btn:hover {
    transform: translateY(-2px);
    background: var(--color-bg-secondary);
}

.svc-related-card {
    padding: var(--spacing-lg);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-lg);
}

.svc-related-card h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.svc-related-card ul {
    display: grid;
    gap: var(--spacing-xs);
}

.svc-related-card a {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    border-bottom: 1px dashed rgba(30, 58, 95, 0.1);
    transition: color var(--transition-base);
}

.svc-related-card a:last-child {
    border-bottom: none;
}

.svc-related-card a:hover {
    color: var(--color-brand-red);
}

@media (max-width: 900px) {
    .svc-body-inner {
        grid-template-columns: 1fr;
    }

    .svc-sidebar {
        position: static;
    }

    .svc-hero-inner {
        flex-direction: column;
        text-align: center;
    }

    .svc-audience {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .svc-hero-text h1 {
        font-size: var(--font-size-2xl);
    }
}