/* RUDRA PIPES - Professional Website Styles */

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

:root {
    /* Brand Colors */
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    
    /* Neutral Colors */
    --dark-gray: #374151;
    --medium-gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Arial', sans-serif;
    
    /* Spacing */
    --section-padding: 4rem 0;
    --container-padding: 0 1rem;
    --max-width: 1200px;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Base Typography */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover, a:focus {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Focus States for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

/* Navigation */
.nav {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav a:hover::after,
.nav a:focus::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/img/hero1.jpg') center/cover;
    opacity: 0.2;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 1rem;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--white);
    color: var(--primary-color);
}

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

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

/* Sections */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

/* Value Props */
.value-props {
    background-color: var(--light-gray);
}

.value-prop {
    text-align: center;
    padding: 2rem 1rem;
}

.value-prop-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.value-prop h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Quality Badges */
.quality-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.badge {
    background-color: var(--white);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
}

/* Client Trust Strip */
.client-trust {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.client-trust h3 {
    margin-bottom: 1rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
}

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

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.checkbox-group label {
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Form Validation */
.form-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-success {
    background-color: #d1fae5;
    color: #065f46;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: none;
}

.form-error.show {
    display: block;
}

.form-success.show {
    display: block;
}

/* Map */
.map-container {
    margin-top: 2rem;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    width: 100%;
    height: 300px;
    border: none;
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #4b5563;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav.hidden {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .quality-badges {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .contact-form {
        margin: 0 1rem;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.625rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .card-content {
        padding: 1rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section {
        padding: 1rem 0;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --secondary-color: #0000ff;
        --accent-color: #ff8c00;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}