/* =========================================
   SREE BALAJI PLASTICS - Formal Corporate Design System
========================================= */

:root {
    /* Color Palette - Corporate */
    --color-primary: #0A2540; /* Deep Corporate Navy */
    --color-secondary: #0052CC; /* Bright Trust Blue */
    --color-accent: #00875A; /* Eco Green for plastics */
    
    --bg-light: #FFFFFF;
    --bg-gray: #F4F5F7;
    --bg-dark: #0A2540;
    
    --text-main: #172B4D;
    --text-muted: #5E6C84;
    --text-inverse: #FFFFFF;
    
    --border-color: #DFE1E6;
    
    /* Typography */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --nav-height: 80px;
    --top-bar-height: 40px;
    --section-spacing: 80px;
    
    /* Effects */
    --shadow-subtle: 0 4px 8px rgba(9, 30, 66, 0.05), 0 0 1px rgba(9, 30, 66, 0.1);
    --shadow-hover: 0 12px 24px rgba(9, 30, 66, 0.1), 0 0 1px rgba(9, 30, 66, 0.1);
    --transition: 0.3s ease;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1140px; /* Standard corporate width */
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography Utilities */
.accent-text {
    color: var(--color-accent);
}

.text-white {
    color: var(--text-inverse) !important;
}

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

.lead-text {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.title-underline {
    height: 3px;
    width: 60px;
    background-color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.center-underline {
    margin-left: auto;
    margin-right: auto;
}

.light-underline {
    background-color: var(--bg-light);
    opacity: 0.5;
}

/* Cards */
.solid-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px; /* Sharp, formal corners */
    padding: 2rem;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition);
}

.solid-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border-radius: 2px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
}

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

.btn-secondary:hover {
    background: var(--text-inverse);
    color: var(--color-primary);
}

.full-width {
    width: 100%;
}

/* Top Bar */
.top-bar {
    background-color: var(--color-primary);
    color: var(--text-inverse);
    height: var(--top-bar-height);
    display: flex;
    align-items: center;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

.contact-inline {
    display: flex;
    gap: 1.5rem;
}

.contact-inline i {
    color: var(--color-accent);
    margin-right: 0.25rem;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: #DD9933; /* Mustard orange from reference */
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo i {
    font-size: 2.5rem;
    color: var(--color-accent);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-inverse);
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.company-tagline {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-links a:not(.btn-primary) {
    font-family: var(--font-body);
    font-weight: 700;
    color: var(--text-inverse);
    font-size: 0.85rem;
    text-transform: uppercase;
}

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: calc(var(--nav-height) + var(--top-bar-height));
    left: 0;
    width: 100%;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
}

.mobile-nav-links a {
    font-weight: 600;
    color: var(--text-main);
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--bg-gray);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, #153A61 100%);
    min-height: 500px;
    display: flex;
    align-items: center;
    padding: var(--section-spacing) 0;
}

.hero-content {
    max-width: 600px;
    padding: 0 1.5rem;
    margin-left: max(0px, calc((100vw - 1140px) / 2)); /* Align with container */
}

.hero-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--text-inverse);
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #B3C0D1;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

/* Sections Layout */
section {
    padding: var(--section-spacing) 0;
}

.section-light { background-color: var(--bg-light); }
.section-gray { background-color: var(--bg-gray); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.section-primary { background-color: var(--color-primary); color: var(--text-inverse); }

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* About Section */
.director-card {
    margin-top: 2rem;
    border-left: 4px solid var(--color-accent);
    padding-left: 1.5rem;
}

.director-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.director-info i {
    font-size: 3rem;
    color: var(--color-secondary);
}

.director-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.director-info .role {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.quote {
    font-style: italic;
    color: var(--text-main);
    font-size: 1.1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-box {
    text-align: center;
    padding: 2rem 1.5rem;
}

.stat-box i {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.stat-box h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.stat-box p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Manufacturing Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card .icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card i {
    font-size: 1.75rem;
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* Associated Companies */
.companies-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    margin-top: 4rem;
}

.company-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 3rem 2rem;
    width: 100%;
    max-width: 800px;
    border-top: 4px solid var(--color-primary);
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--color-primary);
    border-radius: 4px;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition);
}

.company-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.company-logo {
    width: 90px;
    height: 90px;
    margin: 0 auto 1.5rem;
    background: var(--bg-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.company-logo i {
    font-size: 3rem;
    color: var(--color-secondary);
}

.company-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.company-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.badge {
    background: var(--color-primary);
    color: var(--text-inverse);
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.contact-list .icon-box {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem;
    border-radius: 50%;
}

.contact-list i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.contact-list h4 {
    font-size: 0.875rem;
    color: #B3C0D1;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    font-weight: 600;
}

.contact-list a, .contact-list p {
    color: var(--text-inverse);
    font-weight: 500;
    font-size: 1.125rem;
}

.contact-list a:hover {
    color: var(--color-accent);
}

.contact-form-container {
    color: var(--text-main);
}

.contact-form-container h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    color: var(--text-main);
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

/* Footer */
footer {
    background-color: #07192C;
    padding: 3rem 0;
    color: var(--text-inverse);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand .company-name {
    color: var(--text-inverse);
}

.footer-brand p {
    color: #B3C0D1;
    margin-top: 1rem;
    font-size: 0.875rem;
}

.footer-links p {
    color: #B3C0D1;
    font-size: 0.875rem;
}

/* =========================
   Mega Menu Styling
========================= */
.has-mega-menu {
    position: static; /* Required for full-width mega menu */
}

/* =========================
   Quote Form Styling
========================= */
.quote-form .form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

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

.quote-form .required {
    color: #e74c3c;
}

.quote-form input {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.quote-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(221, 153, 51, 0.1);
}

.quote-form input::placeholder {
    color: #adb5bd;
}
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-light);
    border-top: 2px solid var(--color-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1001;
    padding: 2.5rem 0;
}

/* Show mega menu on hover */
.has-mega-menu:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
}

.mega-column {
    display: flex;
    flex-direction: column;
}

.mega-title {
    font-size: 1.125rem;
    color: var(--text-main);
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    font-weight: 700;
}

.empty-title {
    border-bottom: none;
}

.mega-subtitle {
    font-size: 0.875rem;
    color: #DD9933; /* Mustard orange accent */
    margin-bottom: 0.5rem;
    margin-top: 1rem;
    text-transform: uppercase;
}

.mega-column > .mega-subtitle:first-of-type {
    margin-top: 0;
}

.mega-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-links .mega-list li a {
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: var(--transition);
    display: block;
}

.nav-links .mega-list li a:hover {
    color: #C20000; /* Deep red hover from reference */
    padding-left: 5px;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 35px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: transform 0.3s ease;
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.active {
    opacity: 1;
    transform: translateY(0);
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .section-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        order: -1;
    }
    
    .hero-content {
        margin-left: 0;
        margin: 0 auto;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .contact-list li {
        align-items: flex-start;
    }
}

/* Submission feedback for the enquiry and quote forms (see forms.js) */
.form-status {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: left;
}

.form-status--ok {
    background: #e7f6ec;
    border: 1px solid #a8d8b9;
    color: #1b5e34;
}

.form-status--error {
    background: #fdecea;
    border: 1px solid #f5aca6;
    color: #8c1c13;
}

/* 404 page (404.html) */
.error-card {
    padding: 3.5rem 2.5rem;
    text-align: center;
}

.error-icon {
    font-size: 4rem;
    color: var(--color-accent);
    display: block;
    margin-bottom: 1rem;
}

.error-code {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    color: var(--color-primary);
    margin: 0 0 0.25rem;
    letter-spacing: 0.05em;
}

.error-title {
    font-size: 1.75rem;
    color: var(--text-main);
    margin: 0 0 1rem;
}

.error-text {
    color: var(--text-muted);
    max-width: 34rem;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.error-actions a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.error-help {
    margin-top: 2.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-color);
}

.error-help p {
    color: var(--text-muted);
    margin: 0 0 0.75rem;
}

.error-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    justify-content: center;
}

.error-contact a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    word-break: break-word;
}

.error-contact a:hover {
    color: var(--color-accent);
}

@media (max-width: 600px) {
    .error-card {
        padding: 2.5rem 1.25rem;
    }

    .error-code {
        font-size: 2.75rem;
    }

    .error-actions a {
        width: 100%;
        justify-content: center;
    }
}