/* ===================================
   PROFESSIONAL CORPORATE DESIGN
   Shri Engineering and Steel
   Clean, Readable, Authentic
   =================================== */

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

:root {
    /* Professional Color Palette - Corporate Blue & Orange */
    --primary-blue: #1a3a5c;
    --secondary-blue: #2c5f8d;
    --accent-orange: #e67e22;
    --dark-gray: #2c3e50;
    --medium-gray: #7f8c8d;
    --light-gray: #ecf0f1;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #ddd;

    /* Typography - Professional and Readable */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
}

body {
    font-family: var(--font-main);
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--white);
    font-size: 17px;
    overflow-x: hidden;
}

/* Improved Typography for Readability */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.3rem; }

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-dark);
}

strong {
    font-weight: 600;
    color: var(--primary-blue);
}

/* Section Layouts */
section {
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    page-break-after: always;
    position: relative;
    clear: both;
    display: block;
}

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

/* ===================================
   COVER PAGE - Clean & Professional
   =================================== */

.cover-page {
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.cover-gradient {
    width: 100%;
    max-width: 1400px;
}

.cover-content {
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    opacity: 0.95;
    line-height: 1.6;
}

.logo-section {
    margin: var(--spacing-xl) 0;
}

.company-name {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--white);
    text-transform: uppercase;
    margin: 0;
    line-height: 1.3;
}

.company-name .and {
    font-size: 2.5rem;
    font-weight: 400;
    display: inline-block;
    margin: 0 0.5rem;
}

.cover-images {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) auto;
    flex-wrap: wrap;
    max-width: 1200px;
}

.cover-image-item {
    width: 240px;
    height: 240px;
    border-radius: 8px;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.cover-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cover-subtitle {
    font-size: 1.1rem;
    font-weight: 400;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    letter-spacing: 0.5px;
}

/* ===================================
   IMAGE GALLERY - Clean Grid
   =================================== */

.image-gallery-page {
    background-color: #f8f9fa;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 0;
    clear: both;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
}

.gallery-item {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
    background: var(--white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.gallery-item.large {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.gallery-item.large img {
    height: 380px;
}

/* ===================================
   PAGE HEADER - Professional
   =================================== */

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent-orange);
}

.logo-small h2 {
    color: var(--primary-blue);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   ABOUT PAGE - Clean & Readable
   =================================== */

.about-page {
    background-color: var(--white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 6px;
    border-left: 4px solid var(--accent-orange);
}

.intro-text {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-dark);
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.feature-image {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   VISION & MISSION - Clean Layout
   =================================== */

.vision-mission-page {
    background: #f8f9fa;
}

.vm-gradient {
    max-width: 1200px;
    margin: 0 auto;
}

.vm-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
}

.vision-section,
.mission-section {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 5px solid var(--primary-blue);
}

.vm-title {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.vm-text {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-dark);
}

/* ===================================
   PRODUCT PAGES - Clean & Clear
   =================================== */

.product-page {
    background-color: var(--white);
}

.product-title-bar {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    border-radius: 6px;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.product-title-bar h1 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.key-offerings h2 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    border-bottom: 2px solid var(--accent-orange);
    padding-bottom: var(--spacing-xs);
}

.offering-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md);
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid var(--accent-orange);
    transition: all 0.2s ease;
}

.offering-item:hover {
    background: #e9ecef;
    border-left-width: 5px;
}

.arrow {
    color: var(--accent-orange);
    font-size: 1.3rem;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.offering-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-dark);
}

.product-image-container {
    margin-top: var(--spacing-lg);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border: 3px solid var(--accent-orange);
}

.product-image {
    width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   WHY CHOOSE US - Feature Grid
   =================================== */

.why-choose-page {
    background: #f8f9fa;
}

.section-title-centered {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
    text-transform: uppercase;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-box {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--accent-orange);
}

.feature-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.feature-box.red,
.feature-box.orange,
.feature-box.purple,
.feature-box.teal {
    background: var(--white);
    color: var(--text-dark);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-orange);
}

.feature-box h2 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.feature-box p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-dark);
}

/* ===================================
   FABRICATION SETUP
   =================================== */

.fabrication-page {
    background-color: var(--white);
}

.fab-section {
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.fab-title-bar {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.fab-title-bar h1 {
    color: var(--white);
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
}

.fab-image-container {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
}

.fab-image {
    width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   PRODUCTS LIST - Clean Grid
   =================================== */

.products-list-page {
    background: #f8f9fa;
}

.products-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.product-item {
    padding: var(--spacing-md);
    background: var(--white);
    border-left: 4px solid var(--accent-orange);
    font-size: 1.05rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--text-dark);
}

.product-item:hover {
    background: #e9ecef;
    transform: translateX(3px);
    border-left-width: 6px;
}

.product-item.highlight {
    background: #fff3e0;
    border-left-color: var(--primary-blue);
    font-weight: 600;
}

/* ===================================
   CONTACT PAGE - Professional
   =================================== */

.contact-page {
    padding: 0;
}

.contact-gradient {
    background: var(--primary-blue);
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--white);
}

.contact-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
    text-transform: uppercase;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl) auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-map h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.map-placeholder {
    background: rgba(255,255,255,0.1);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

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

.contact-info-box {
    background: rgba(255,255,255,0.15);
    padding: var(--spacing-lg);
    border-radius: 6px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info-box h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-orange);
    font-weight: 700;
}

.contact-info-box p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
}

.footer-logo {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(255,255,255,0.3);
}

.footer-logo h2 {
    font-size: 2rem;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.footer-tagline {
    font-size: 1.1rem;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   NAVIGATION MENU - Clean
   =================================== */

.menu-button {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.1rem;
    font-size: 1.4rem;
    cursor: pointer;
    border-radius: 6px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.menu-button:hover {
    background: var(--secondary-blue);
    transform: scale(1.05);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -350px;
    width: 320px;
    height: 100vh;
    background: var(--white);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.nav-menu.active {
    right: 0;
}

.nav-header {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-lg);
    text-align: center;
}

.nav-header h2 {
    color: var(--white);
    font-size: 1.2rem;
    margin: 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    padding: var(--spacing-md) 0;
}

.nav-links li {
    border-bottom: 1px solid var(--border-color);
}

.nav-links a {
    display: block;
    padding: 1rem var(--spacing-md);
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-links a:hover {
    background: #f8f9fa;
    border-left-color: var(--accent-orange);
    padding-left: calc(var(--spacing-md) + 8px);
    color: var(--primary-blue);
}

/* Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-orange);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1024px) {
    .gallery-item.large {
        grid-column: span 1;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.4rem; }

    .company-name {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }

    .company-name .and {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .cover-images {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .cover-image-item {
        width: 280px;
        height: 280px;
    }

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

    .vm-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .features-container {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        width: 100%;
        right: -100%;
    }

    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .company-name {
        font-size: 2rem;
    }

    .contact-title {
        font-size: 2rem;
    }

    .cover-image-item {
        width: 90%;
        max-width: 300px;
        height: auto;
        aspect-ratio: 1;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-sm);
    }

    .cover-page,
    .image-gallery-page {
        padding: var(--spacing-md) var(--spacing-sm);
    }
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
    .menu-button,
    .nav-menu,
    .scroll-progress {
        display: none !important;
    }

    section {
        page-break-after: always;
        min-height: auto;
    }

    .gallery-item:hover,
    .feature-box:hover,
    .product-item:hover {
        transform: none;
    }

    body {
        background: white;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}