/* 
   Shreeram Enterprises - Main Stylesheet 
*/

:root {
    --primary-color: #004b87;       /* Industrial Blue */
    --primary-dark: #00335e;
    --primary-light: #e6f0fa;
    --secondary-color: #3b82f6; 
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Offset for sticky navbar */
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

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

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

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 5rem 0;
}

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

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

.text-primary {
    color: var(--primary-color);
}

.mt-4 {
    margin-top: 1.5rem;
}

.w-100 {
    width: 100%;
}

.shadow {
    box-shadow: var(--shadow-md);
}

.rounded-image {
    border-radius: 12px;
    overflow: hidden;
}

/* Section Title */
.section-title {
    margin-bottom: 3rem;
}

.section-title h4 {
    color: var(--secondary-color);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.section-title h2 {
    font-size: 2.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

.small-btn {
    padding: 0.5rem 1rem !important;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 1000;
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    padding: 0.7rem 0;
    background-color: rgba(255, 255, 255, 1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

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

.nav-links a:not(.btn) {
    color: var(--text-main);
    font-weight: 500;
}

.nav-links a:not(.btn):hover {
    color: var(--primary-color);
}

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

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: white;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: 5rem 2rem;
    transition: 0.4s ease-in-out;
}

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

.close-menu-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-main);
}

.mobile-menu a {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

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

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.mv-box i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.mv-box h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.mv-box p {
    font-size: 0.95rem;
}

/* Products Section */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-img {
    height: 250px;
    overflow: hidden;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.1);
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Why Choose Us Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.feature-box {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-box:hover {
    background: white;
    box-shadow: var(--shadow-md);
    border-color: transparent;
    transform: translateY(-5px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.feature-box:hover .feature-icon {
    background: var(--primary-color);
    color: white;
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 250px;
    display: block;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 75, 135, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: var(--primary-light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-item h4 {
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 75, 135, 0.1);
}

/* Footer Section */
.footer {
    background-color: var(--primary-dark);
    color: white;
    padding-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-brand span {
    color: var(--secondary-color);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
    background-color: #20b858;
}

/* Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.left {
    transform: translateX(-50px);
}

.scroll-reveal.right {
    transform: translateX(50px);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translate(0, 0);
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards ease-in-out;
}

.delay-1 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; transition-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; transition-delay: 0.6s; }

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

/* Responsive Media Queries */
@media (max-width: 992px) {
    .about-container, 
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hidden on mobile */
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .mission-vision {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        padding: 0 2rem;
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    .contact-form {
        padding: 1.5rem;
    }
}