/* ==========================================
   CSS สำหรับ LTA Soft
   
   ========================================== */

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

:root {
    --primary-color: #DC2626;
    --secondary-color: #EF4444;
    --accent-color: #FF0000;
    --dark-color: #0A0A0A;
    --light-color: #1A1A1A;
    --text-color: #E5E5E5;
    --border-color: #2A2A2A;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #DC2626;
    --gradient-primary: linear-gradient(135deg, #DC2626 0%, #7F1D1D 100%);
    --gradient-secondary: linear-gradient(135deg, #EF4444 0%, #991B1B 100%);
    --gradient-tech: linear-gradient(135deg, #000000 0%, #1A1A1A 50%, #DC2626 100%);
    --shadow-sm: 0 1px 2px 0 rgba(220, 38, 38, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(220, 38, 38, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(220, 38, 38, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(220, 38, 38, 0.4);
    --neon-red: #FF0000;
    --neon-shadow: 0 0 10px #DC2626, 0 0 20px #DC2626, 0 0 30px #DC2626;
}

body {
    font-family: 'Prompt', 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: #000000;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: #FFFFFF;
}

/* Navigation */
.navbar {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(220, 38, 38, 0.1), 0 0 20px rgba(220, 38, 38, 0.05);
    border-bottom: 1px solid rgba(220, 38, 38, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #DC2626 0%, #FF0000 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: var(--neon-shadow);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #E5E5E5;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #DC2626, #FF0000);
    box-shadow: 0 0 10px #DC2626;
    transition: width 0.3s;
}

.nav-link:hover {
    color: #DC2626;
    text-shadow: 0 0 10px rgba(220, 38, 38, 0.5);
}

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

.nav-actions {
    display: flex;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #DC2626 0%, #7F1D1D 100%);
    color: white;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.4);
    border: 1px solid rgba(220, 38, 38, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.6), 0 10px 25px rgba(220, 38, 38, 0.3);
    border-color: #DC2626;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-white {
    background: white;
    color: var(--primary-color);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline-white:hover {
    background: white;
    color: var(--primary-color);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #000000 0%, #1A1A1A 50%, #DC2626 100%);
    color: white;
    padding: 6rem 0 0 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(220, 38, 38, 0.03) 2px, rgba(220, 38, 38, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(220, 38, 38, 0.03) 2px, rgba(220, 38, 38, 0.03) 4px);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding-bottom: 4rem;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(to right, #DC2626, #FF0000, #EF4444);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(220, 38, 38, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(220, 38, 38, 0.8));
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.15;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.25;
    }
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-image {
    position: relative;
}

.floating-image {
    width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

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

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.25rem;
    color: #B0B0B0;
    opacity: 0.8;
}

/* Features Section */
.features {
    background: #0A0A0A;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(220, 38, 38, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, #1A1A1A 0%, #0A0A0A 100%);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    border: 1px solid rgba(220, 38, 38, 0.2);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.1), transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.4), 0 10px 25px rgba(0, 0, 0, 0.5);
    border-color: #DC2626;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #DC2626 0%, #7F1D1D 100%);
    color: white;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
    border: 1px solid rgba(220, 38, 38, 0.3);
    position: relative;
}

.feature-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 1rem;
    padding: 2px;
    background: linear-gradient(135deg, #DC2626, #FF0000);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover .feature-icon::after {
    opacity: 1;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #FFFFFF;
    text-shadow: 0 0 10px rgba(220, 38, 38, 0.3);
}

.feature-description {
    color: #B0B0B0;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #D0D0D0;
}

.feature-list li i {
    color: #DC2626;
    font-size: 1.125rem;
    text-shadow: 0 0 5px rgba(220, 38, 38, 0.5);
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.feature-link:hover {
    gap: 1rem;
}

.features-cta {
    text-align: center;
    margin-top: 4rem;
}

/* Pricing Section */
.pricing {
    background: linear-gradient(180deg, #0A0A0A 0%, #1A1A1A 100%);
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #DC2626, transparent);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.pricing-card {
    background: linear-gradient(135deg, #1A1A1A 0%, #0A0A0A 100%);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(220, 38, 38, 0.1), transparent 30%);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

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

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

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.4);
    border-color: #DC2626;
}

.pricing-card.featured {
    border-color: #DC2626;
    border-width: 2px;
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(220, 38, 38, 0.5);
    background: linear-gradient(135deg, #1A1A1A 0%, #2A0A0A 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #EF4444 0%, #991B1B 100%);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.6);
    z-index: 1;
}

.pricing-badge.popular {
    background: linear-gradient(135deg, #DC2626 0%, #7F1D1D 100%);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        box-shadow: 0 0 20px rgba(220, 38, 38, 0.6);
    }
    50% {
        box-shadow: 0 0 30px rgba(220, 38, 38, 0.9);
    }
}

.pricing-header {
    margin-bottom: 1.5rem;
}

.pricing-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FFFFFF;
}

.pricing-unit {
    font-size: 1.125rem;
    color: #B0B0B0;
    opacity: 0.7;
}

.pricing-price {
    margin-bottom: 0.5rem;
}

.price-value {
    font-size: 3rem;
    font-weight: 700;
    color: #DC2626;
    text-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.price-currency {
    font-size: 1.5rem;
    color: #D0D0D0;
}

.pricing-per {
    color: var(--success-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* Testimonials Section */
.testimonials {
    background: #0A0A0A;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: linear-gradient(135deg, #1A1A1A 0%, #0A0A0A 100%);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(220, 38, 38, 0.2);
    transition: all 0.3s;
}

.testimonial-card:hover {
    border-color: #DC2626;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.3);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-name {
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 0.5rem;
}

.testimonial-rating {
    color: #DC2626;
    text-shadow: 0 0 10px rgba(220, 38, 38, 0.5);
}

.testimonial-text {
    color: #B0B0B0;
    line-height: 1.8;
    font-style: italic;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #DC2626 0%, #7F1D1D 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
    pointer-events: none;
}

.cta-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-description {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Footer */
.footer {
    background: #000000;
    color: white;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(220, 38, 38, 0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s;
}

.social-link:hover {
    background: linear-gradient(135deg, #DC2626 0%, #7F1D1D 100%);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.6);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: #DC2626;
    text-shadow: 0 0 10px rgba(220, 38, 38, 0.5);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom-links a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scanline {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100vh);
    }
}

@keyframes glitch {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

/* Tech Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(220, 38, 38, 0.03) 2px, rgba(220, 38, 38, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(220, 38, 38, 0.03) 2px, rgba(220, 38, 38, 0.03) 4px);
    pointer-events: none;
    z-index: -1;
}

/* Scanline Effect - REMOVED (ลายตา) */
/* body::after disabled */

[data-aos] {
    opacity: 0;
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    animation: fadeInUp 0.6s ease forwards;
}