/* QSS Inc. Website Styles */
/* Generated from design system */

/* CSS Variables */
:root {
    --primary: #1a4d8f;
    --primary-dark: #0f2e5c;
    --secondary: #2d7dd2;
    --accent: #4a9eff;
    --neutral: #f8f9fa;
    --neutral-dark: #343a40;
    --text: #212529;
    --text-light: #6c757d;
    --white: #ffffff;
    --black: #000;
    --border: #dee2e6;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    color: var(--primary);
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary);
}

h3 {
    font-size: 2rem;
    color: var(--primary-dark);
}

h4 {
    font-size: 1.5rem;
    color: var(--primary-dark);
}

h5 {
    font-size: 1.25rem;
    color: var(--neutral-dark);
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}


/* Unvisited link */
a.over-blue:link {
  color: yellow; /* Change to your desired color name, HEX, RGB, or HSL value */
  text-decoration: none; /* Optional: removes the default underline */
}

/* Visited link */
a.over-blue:visited {
  color: white;
  text-decoration: underline;
}

/* Mouse over link */
a.over-blue:hover {
  color: greenyellow;
  text-decoration: underline;
}

/* Selected link */
a.over-blue:active {
  color: blueviolet;
  text-decoration: underline;
}


.lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-light);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 20px;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 120px;
}

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

nav a {
    color: var(--neutral-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--primary);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 77, 143, 0.3);
}

.btn-primary-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

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

.btn-secondary-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--black), var(--primary));
    color: var(--white);
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/hero-bg.svg') center/cover;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content-left {
    text-align: left;
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero .lead {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Cards */
.card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transform: translateY(-4px);
}

.service-card {
    border-top: 4px solid var(--primary);
    padding: 2.5rem;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* Feature Grid */
.feature-grid {
    padding: 80px 20px;
}

.feature-grid h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
}

.feature-icon img {
    width: 100%;
    height: 100%;
}

/* Stats Bar */
.stats-bar {
    background-color: var(--primary);
    color: var(--white);
    padding: 60px 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

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

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--neutral-dark);
    font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 6px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 77, 143, 0.1);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    background-color: var(--neutral);
    padding: 2rem;
    border-radius: 8px;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 60px 20px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h5 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.bg-neutral {
    background-color: var(--neutral);
}

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

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    text-align: center;
    padding: 80px 20px 60px;
}

.page-header h1 {
    color: var(--white);
}

.page-header .lead {
    color: rgba(255,255,255,0.9);
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    
    section { padding: 60px 20px; }
    
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    p, .lead { font-size: 1rem; }
    
    section { padding: 40px 20px; }
    
    .logo { height: 40px; }
    
    nav {
        display: none;
    }
    
    nav.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        padding: 1rem;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .grid-2,
    .grid-3,
    .grid-4,
    .stats-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero { padding: 80px 20px 60px; }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        display: block;
        width: 100%;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}