/* Cross Tech Main Stylesheet
   Version: 1.0
   Description: Comprehensive styles for Cross Tech website
   Author: Cross Tech Team
*/

/* =========================================
   Table of Contents:
   1. CSS Variables (Custom Properties)
   2. Base & Typography
   3. Layout & Containers
   4. Logo & Branding
   5. Banners & Headers
   6. Tech Icons
   7. Customer Logos Section
   8. Contact Information
   9. Social Links
   10. Animations
   11. Utility Classes
   12. Media Queries
   ========================================= */

/* 1. CSS Variables
   ========================================= */
:root {
    /* Colors */
    --primary-color: #005792;
    --secondary-color: #00bbf0;
    --accent-color: #53cde2;
    --text-color: #333333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 2. Base & Typography
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

p {
    margin-bottom: var(--spacing-md);
}

/* 3. Layout & Containers
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    width: 100%;
}

.content {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-xl) 0;
    transition: transform var(--transition-normal);
}

/* 4. Logo & Branding
   ========================================= */
.logo {
    max-width: 400px;
    margin: var(--spacing-xl) auto;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.02);
}

.logo img {
    width: 100%;
    height: auto;
    display: block;
}

/* 5. Banners & Headers
   ========================================= */
.main-banner {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s infinite;
}

.main-banner h2 {
    margin: 0;
    font-size: var(--font-size-2xl);
    text-align: center;
}

/* 6. Tech Icons
   ========================================= */
.tech-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin: var(--spacing-xl) 0;
}

.tech-icon {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    cursor: pointer;
}

.tech-icon:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* 7. Customer Logos Section
   ========================================= */
.customers-section {
    margin: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.logo-scroll-wrapper {
    width: 100%;
    overflow: hidden;
    margin: var(--spacing-xl) 0;
    position: relative;
    padding: 20px 0;
    background: white;
}

/* Main scroll container */
.logo-scroll {
    display: flex;
    gap: 40px;
    padding: 20px;
    width: calc(180px * 32 + 40px * 31); /* Width for all logos (16 * 2) plus gaps */
    animation: infiniteScroll 60s linear infinite;
}

.customer-logo {
    flex: 0 0 auto;
    width: 180px;
    height: 100px;
    background: white;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    padding: 10px;
    transition: transform var(--transition-normal);
}

.customer-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.customer-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Seamless infinite scroll animation */
@keyframes infiniteScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-180px * 16 - 40px * 15)); /* Move by width of one set of logos */
    }
}

/* Pause on hover */
.logo-scroll-wrapper:hover .logo-scroll {
    animation-play-state: paused;
}

/* Edge fade effect */
.logo-scroll-wrapper::before,
.logo-scroll-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.logo-scroll-wrapper::before {
    left: 0;
    background: linear-gradient(to right, white, transparent);
}

.logo-scroll-wrapper::after {
    right: 0;
    background: linear-gradient(to left, white, transparent);
}

/* 8. Contact Information
   ========================================= */
.contact-info {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--gray-300);
}

.contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.contact-info a:hover {
    color: var(--primary-color);
}

/* 9. Social Links
   ========================================= */
.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    background-color: var(--primary-color);
    transition: transform var(--transition-normal),
                background-color var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-2px);
    background-color: var(--secondary-color);
}

.social-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* 10. Animations
   ========================================= */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

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

.animate-fadeIn {
    animation: fadeIn var(--transition-normal);
}

/* 11. Utility Classes
   ========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* 12. Media Queries
   ========================================= */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .tech-icons {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
    }
    
    .container {
        max-width: 540px;
        padding: var(--spacing-md);
    }
    
    .content {
        padding: var(--spacing-lg);
    }
    
    .tech-icons {
        flex-direction: column;
        align-items: center;
    }
    
    .tech-icon {
        width: 100%;
        max-width: 300px;
    }

    .customer-logo {
        width: 150px;
        height: 80px;
    }

    .social-link {
        width: 36px;
        height: 36px;
        padding: 6px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .logo {
        max-width: 300px;
    }
    
    .main-banner h2 {
        font-size: var(--font-size-xl);
    }
    
    .coming-soon-text {
        font-size: var(--font-size-xl);
    }

    .customer-logo {
        width: 130px;
        height: 70px;
    }
}