/*
Theme Name: FILMTECT Theme
Theme URI: https://filmtect.co.th
Author: FILMTECT
Author URI: https://filmtect.co.th
Description: Custom WordPress theme for FILMTECT - Professional automotive film business. Features custom post types for products, dealer management, and B2B functionality.
Version: 1.8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: filmtect
Tags: custom-logo, custom-menu, featured-images, theme-options, translation-ready

FILMTECT Theme - ฟิล์มกันรอยคุณภาพระดับสากล
*/

/* ==========================================================================
   CSS Variables / Design Tokens
   ========================================================================== */
:root {
    /* Brand Colors */
    --color-primary: #D0F400;
    --color-primary-dark: #b8dc00;
    --color-primary-light: #e5ff66;
    --color-secondary: #000000;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E6E6E6;
    --color-gray-400: #CCCCCC;
    --color-gray-500: #999999;
    --color-gray-600: #666666;
    --color-gray-700: #444444;
    --color-gray-800: #333333;
    --color-gray-900: #1A1A1A;
    
    /* Typography */
    --font-primary: 'Prompt', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 28px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;
    --font-size-6xl: 56px;
    
    /* Font Weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Line Heights */
    --leading-tight: 1.2;
    --leading-snug: 1.4;
    --leading-normal: 1.6;
    --leading-relaxed: 1.8;
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    --space-32: 128px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-3xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max: 1440px;
    --container-padding: 120px;
    --container-padding-tablet: 60px;
    --container-padding-mobile: 24px;
    
    /* Navigation */
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-regular);
    line-height: var(--leading-normal);
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--space-4);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section--light {
    background-color: var(--color-white);
}

.section--gray {
    background-color: var(--color-gray-100);
}

.section--dark {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(208, 244, 0, 0.3);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-black);
    border: 2px solid var(--color-gray-300);
}

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

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.card__image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.card__content {
    padding: var(--space-6);
}

.card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.card__text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
    color: var(--color-gray-800);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1200px) {
    .container {
        padding-left: var(--container-padding-tablet);
        padding-right: var(--container-padding-tablet);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 36px;
        --font-size-4xl: 28px;
        --font-size-3xl: 24px;
    }
    
    .container {
        padding-left: var(--container-padding-mobile);
        padding-right: var(--container-padding-mobile);
    }
    
    .section {
        padding: var(--space-12) 0;
    }
}