/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Colors */
    --color-primary: #0A2540;
    --color-secondary: #1E5A8E;
    --color-accent: #1158f0;
    --color-accent-light: #1158f0;
    --color-success: #1158f0;
    --color-warning: #1158f0;
    
    /* Neutrals */
    --color-bg: #FAFBFC;
    --color-bg-secondary: #F3F4F6;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-text: black;
    --color-text-secondary: black;
    --color-text-light: black;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0A2540 0%, #1E5A8E 100%);
    --gradient-accent: linear-gradient(135deg, #1158f0 0%, #333333 100%);
    --gradient-mesh: radial-gradient(at 20% 30%, rgba(255, 107, 53, 0.15) 0px, transparent 50%),
                      radial-gradient(at 80% 70%, rgba(30, 90, 142, 0.15) 0px, transparent 50%),
                      radial-gradient(at 50% 50%, rgba(10, 37, 64, 0.05) 0px, transparent 50%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.3);
    
    /* Typography */
    --font-display: 'Kanit', sans-serif;
    --font-body: 'Sarabun', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 177, 228, 0.801);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}
html {
    scroll-behavior: smooth;
  }
.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
    text-decoration: none;
}

.logo-icon {
    height: 50px;        /* ความสูงพื้นที่โลโก้ */
    display: flex;
    align-items: center;
  }
  
  .logo-img {
    height: 80px;       /* ✅ ขยายโลโก้ */
    width: auto;
    object-fit: contain;
    transform: scale(1.2); /* ขยายเพิ่มโดยไม่ดัน layout */
  }  

.logo-icon svg {
    width: 100%;
    height: 100%;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

.btn-quote {
    padding: 0.625rem 1.5rem;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-base);
}

.category-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 25px 0 40px;
    flex-wrap: wrap;
  }
  
  .category-buttons button {
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid #1158f0;
    background: white;
    color: #1158f0;
    cursor: pointer;
    transition: 0.3s;
    font-family: 'Sarabun', sans-serif;
  }
  
  .category-buttons button:hover,
  .category-buttons button.active {
    background: #1158f0;
    color: white;
  }  

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.3) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(30, 90, 142, 0.3) 0%, transparent 70%);
    bottom: -150px;
    right: -50px;
    animation-delay: 7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(10, 37, 64, 0.2) 0%, transparent 70%);
    top: 50%;
    right: 20%;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
    animation: fadeInUp 1s 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: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.badge-icon {
    font-size: 1.25rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.title-line {
    display: block;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.title-line.highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 1s ease-out 1s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

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

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

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1.2s both;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--color-border);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.75rem;
    font-weight: 500;
    animation: fadeIn 1s ease-out 1.5s both, bounce 2s ease-in-out 2s infinite;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

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

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Products Section */
.products-section {
    background: white;
}


.product-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: 0.625rem 1.5rem;
    background: white;
    color: var(--color-text-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background: var(--gradient-accent);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-card {
    background: #a0a0a0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-image {
    position: relative;
    width: 100%;
    height: 220px;
    background: var(--color-bg-secondary);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.375rem 0.75rem;
    background: var(--gradient-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-info {
    padding: var(--spacing-md);
}

.product-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.product-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.product-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}


.product-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.product-action {
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    
}

.product-action:hover {
    background: var(--color-primary);
    color: white;
}

.load-more-container {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.category-select {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 2px solid #1158f0;
    font-size: 16px;
    background-color: #fff7f0;
    color: #333;
    cursor: pointer;
    width: 260px;
  
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
  
    background-image: url("data:image/svg+xml;utf8,<svg fill='%23ff7a00' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
  }
  
  .category-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,122,0,0.25);
  }
.category-select {
  width: 250px;
  padding: 10px 40px 10px 14px;
  border-radius: 999px;
  border: 2px solid #1158f0;
  background-color: #fff;
  color: #333;
  font-size: 14px;
  cursor: pointer;

  /* ลบ style เดิมของ browser */
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  /* ลูกศร */
  background-image: url("data:image/svg+xml;utf8,<svg fill='%23ff6b00' height='20' viewBox='0 0 24 24' width='20' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
}

/* ตอน hover */
.category-select:hover {
  background-color: #fff3eb;
}

/* ตอน focus */
.category-select:focus {
  outline: none;
  border-color: #1158f0;
  box-shadow: 0 0 0 3px rgba(255,107,0,0.2);
}
  
/* Services Section */
.services-section {
    background: var(--gradient-mesh);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    position: relative;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.service-card.featured .service-icon {
    color: var(--color-accent);
}

.service-card.featured h3,
.service-card.featured p,
.service-card.featured li {
    color: white;
}

.service-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-lg);
    padding: 0.375rem 1rem;
    background: var(--gradient-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    width: 60px;
    height: 60px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: black(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    color: var(--color-text-secondary);
    position: relative;
}

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

.service-card.featured .service-features li::before {
    color: var(--color-accent);
}

/* About Section */
.about-section {
    background: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-content {
    padding-right: var(--spacing-lg);
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    font-weight: bold;
}

.about-feature h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.about-feature p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    position: relative;
}

.visual-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-base);
}

.visual-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.visual-card.card-1 {
    animation: float 6s ease-in-out infinite;
}

.visual-card.card-2 {
    animation: float 6s ease-in-out infinite 2s;
}

.visual-card.card-3 {
    grid-column: 1 / -1;
    animation: float 6s ease-in-out infinite 4s;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.visual-card h3 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.visual-card p {
    color: var(--color-text-secondary);
    font-weight: 600;
}

/* Contact Section */
.contact-section {
    background: var(--gradient-mesh);
}

.contact-grid{
    display: flex;
    justify-content: center;
    padding: 40px;
}

/* กล่องรวม */
.contact-info{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    width: 100%;
    max-width: 1400px;   /* << กว้างขึ้น */
}

/* การ์ด */
.contact-item{
    display: flex;
    gap: var(--spacing-md);
    padding: 32px;       /* << ขยาย padding */
    background: white;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
    width: 100%;
    min-height: 140px;   /* << ทำให้สูงเท่ากัน */
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    color: var(--color-accent);
    border-radius: var(--radius-md);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.contact-form-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.contact-form,
.quote-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

/* Footer */
.footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    color: var(--color-accent);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-accent);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.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: white;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-accent);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    position: relative;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-accent);
    color: white;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .stat-divider {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
}
/* จัดข้อความตรงกลางในการ์ด */
.product-info {
  text-align: center;
}

/* จัดส่วนล่าง (ราคา + ปุ่ม) ให้อยู่กลาง */
.product-footer {
  justify-content: center;
  flex-direction: column;
  gap: 10px;
}

/* ปุ่มสอบถามให้อยู่กลาง */
.product-action {
  display: inline-block;
}
.products-more {
    margin-top: 40px;
    text-align: center;
  }
  
  .btn-more {
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 999px;
  
    background: linear-gradient(135deg, #1158f0, #ff9f4a);
    color: #fff;
    border: none;
  
    cursor: pointer;
    box-shadow:
      0 10px 30px rgba(255, 122, 24, 0.35),
      0 6px 14px rgba(0, 0, 0, 0.12);
  
    transition: all 0.3s ease;
  }
  
  .btn-more:hover {
    transform: translateY(-4px);
    box-shadow:
      0 16px 40px rgba(255, 122, 24, 0.45),
      0 10px 24px rgba(0, 0, 0, 0.16);
  }