/* 
   Sri Tirumala Chemical Industries - Premium Showcase Design System
   Aesthetic: Clean White Spacing, Deep Navy Blue Accents, Electric Teal Highlights, Flipkart-Style E-commerce Modals
*/

/* --- Variables & Core Constants --- */
:root {
    --primary-dark: #071624;
    --primary-navy: #0b2545;
    --primary-light: #ffffff;
    --bg-light-gray: #f8f9fa;
    --bg-light-blue: #f1f5f9;
    
    --accent-blue: #0077b6;
    --accent-teal: #00b4d8;
    --accent-cyan: #90e0ef;
    
    --bg-dark-grad: linear-gradient(135deg, #071624 0%, #0b2545 100%);
    --bg-light-grad: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    --accent-grad: linear-gradient(135deg, #0077b6 0%, #00b4d8 100%);
    --whatsapp-green: #25d366;
    --whatsapp-hover: #20ba5a;
    --flipkart-orange: #ff9f00;
    --flipkart-orange-hover: #f39500;
    
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-white: #ffffff;
    
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 16px 32px 0 rgba(0, 0, 0, 0.15);
    
    --card-bg-light: #ffffff;
    --card-border-light: rgba(15, 23, 42, 0.06);
    --card-shadow-light: 0 4px 20px rgba(15, 23, 42, 0.05);
    --card-shadow-hover: 0 12px 30px rgba(0, 119, 182, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
}

/* --- Base Resets & Global Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-navy);
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

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

/* --- Layout Utility Classes --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 90px 0;
}

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

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

.bg-dark {
    background: var(--bg-dark-grad);
    color: var(--text-white);
}

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

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

.grid {
    display: grid;
    gap: 30px;
}

.grid-2-col {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2-col {
        grid-template-columns: 1fr 1fr;
    }
}

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

/* --- Section Headers --- */
.section-title-area {
    margin-bottom: 45px;
}

.section-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-blue);
    margin-bottom: 10px;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-navy);
}

.title-underline {
    width: 50px;
    height: 3.5px;
    background: var(--accent-grad);
    margin-top: 12px;
    border-radius: 2px;
}

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

.section-desc {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 580px;
    margin: 15px auto 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-grad);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(0, 119, 182, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 119, 182, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    border-color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--primary-navy);
    border: 2.5px solid var(--primary-navy);
}

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

.btn-whatsapp {
    background-color: var(--whatsapp-green);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-flipkart {
    background-color: var(--flipkart-orange);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(255, 159, 0, 0.2);
}

.btn-flipkart:hover {
    background-color: var(--flipkart-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 159, 0, 0.35);
}

.btn.full-width {
    width: 100%;
}

/* --- Preloader --- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--primary-dark);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flask-container {
    width: 70px;
    height: 85px;
    margin-bottom: 15px;
}

.flask-svg {
    width: 100%;
    height: 100%;
    animation: bounce 2s infinite ease-in-out;
}

.flask-outline {
    stroke-dasharray: 400;
    stroke-dashoffset: 0;
    animation: drawPath 4s infinite linear;
}

.flask-liquid {
    transform-origin: 50px 95px;
    animation: liquidWave 3s infinite alternate ease-in-out;
}

.bubble {
    animation: riseUp 2s infinite linear;
}

.bubble.b1 { animation-delay: 0.2s; }
.bubble.b2 { animation-delay: 0.7s; }
.bubble.b3 { animation-delay: 1.2s; }
.bubble.b4 { animation-delay: 0.5s; }

.loader-text {
    font-family: var(--font-heading);
    color: var(--text-white);
    font-size: 16px;
    letter-spacing: 2.5px;
    margin-top: 15px;
    text-transform: uppercase;
}

.loader-bar {
    width: 150px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    margin-top: 15px;
    overflow: hidden;
    position: relative;
}

.loader-bar-fill {
    width: 100%;
    height: 100%;
    background: var(--accent-grad);
    position: absolute;
    left: -100%;
    animation: loadProgress 2s infinite ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes drawPath {
    0% { stroke-dashoffset: 400; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -400; }
}

@keyframes liquidWave {
    0% { transform: rotate(-3deg) scaleY(0.96); }
    100% { transform: rotate(3deg) scaleY(1.04); }
}

@keyframes riseUp {
    0% { transform: translateY(0) scale(0.6); opacity: 0; }
    10% { opacity: 0.7; }
    80% { opacity: 0.7; }
    100% { transform: translateY(-60px) scale(1.1); opacity: 0; }
}

@keyframes loadProgress {
    0% { left: -100%; }
    50% { left: 0; }
    100% { left: 100%; }
}

/* --- Header / Navigation --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.main-header.scrolled {
    background-color: rgba(7, 22, 36, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 5px 0;
    border-bottom-color: rgba(255, 255, 255, 0.12);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 24px;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.logo-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.1;
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--accent-teal);
    letter-spacing: 0.8px;
}

.nav-menu {
    display: none;
}

@media (min-width: 992px) {
    .nav-menu {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-teal);
}

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

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-btn {
    background: var(--accent-grad);
    color: var(--text-white) !important;
    padding: 8px 16px !important;
    border-radius: var(--border-radius-sm);
}

.nav-btn::after {
    display: none;
}

/* Mobile Hamburger Menu */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 2.5px;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

@media (min-width: 992px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-menu.mobile-open {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100vh;
    background-color: #05101b;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -10px 0 25px rgba(0, 0, 0, 0.4);
    padding: 90px 30px 40px 30px;
    flex-direction: column;
    animation: slideInLeft 0.3s forwards cubic-bezier(0.1, 1, 0.1, 1);
}

.nav-menu.mobile-open .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.nav-menu.mobile-open .nav-link {
    font-size: 16px;
    color: var(--text-white);
}

@keyframes slideInLeft {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 95vh;
    display: flex;
    align-items: center;
    background-color: var(--primary-dark);
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(7, 22, 36, 0.94) 0%, rgba(11, 37, 69, 0.75) 100%);
    z-index: 2;
}

.hero-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-slide {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
}

.hero-container {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 40px;
}

.hero-content {
    max-width: 750px;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(0, 180, 216, 0.12);
    border: 1px solid rgba(0, 180, 216, 0.25);
    color: var(--accent-teal);
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.15;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 54px;
    }
}

.hero-title .highlight {
    background: var(--accent-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tagline {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
    max-width: 580px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.hero-contact-quick {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.quick-call-title {
    font-weight: 600;
    color: var(--accent-teal);
}

.quick-call-link {
    color: var(--text-white);
    font-weight: 700;
}

.quick-call-link:hover {
    color: var(--accent-teal);
}

.separator {
    color: rgba(255, 255, 255, 0.25);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- About Us Section --- */
.about-section {
    background-color: var(--primary-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1.1fr;
    }
}

.about-visual {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow-light);
}

.about-visual img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    transition: transform 0.5s ease;
}

.about-visual:hover img {
    transform: scale(1.03);
}

.about-experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--accent-grad);
    color: var(--text-white);
    padding: 15px 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.3);
    text-align: center;
}

.about-experience-badge .years {
    font-size: 24px;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.about-experience-badge .text {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.about-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--accent-blue);
}

.about-text-lead {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.about-text-body {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 576px) {
    .about-highlights {
        grid-template-columns: 1fr 1fr;
    }
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-navy);
}

.highlight-item i {
    color: var(--accent-teal);
    font-size: 16px;
}

/* --- Products Section --- */
.products-section {
    background-color: var(--bg-light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.product-card {
    background-color: var(--card-bg-light);
    border: 1px solid var(--card-border-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow-light);
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(0, 119, 182, 0.15);
}

.product-img-wrapper {
    position: relative;
    padding: 24px;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 220px;
    border-bottom: 1px solid #f1f5f9;
}

.product-img {
    max-height: 180px;
    width: auto;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--bg-light-blue);
    color: var(--accent-blue);
    font-size: 10px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.product-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-body h3 {
    font-size: 18px;
    color: var(--primary-navy);
    margin-bottom: 10px;
}

.product-body p {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
    flex-grow: 1;
}

/* --- Contact Section --- */
.contact-section {
    background-color: var(--primary-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
    }
}

.contact-info-panel {
    background-color: var(--bg-light-gray);
    border: 1px solid var(--card-border-light);
    border-radius: var(--border-radius-md);
    padding: 30px;
    box-shadow: var(--card-shadow-light);
}

.contact-info-panel h3 {
    font-size: 20px;
    margin-bottom: 20px;
    border-bottom: 2px solid rgba(0, 119, 182, 0.1);
    padding-bottom: 10px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 119, 182, 0.08);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p, .contact-item a {
    font-size: 14.5px;
    color: var(--primary-navy);
    font-weight: 500;
}

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

.map-card-wrapper {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--card-border-light);
    box-shadow: var(--card-shadow-light);
    height: 100%;
    min-height: 350px;
}

.map-card-wrapper iframe {
    width: 100%;
    height: 100%;
    min-height: 380px;
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background-color: var(--whatsapp-green);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transition: var(--transition-smooth);
}

.whatsapp-float:hover {
    transform: scale(1.08) rotate(8deg);
    background-color: var(--whatsapp-hover);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--whatsapp-green);
    opacity: 0.6;
    z-index: -1;
    animation: waPulse 2s infinite;
}

@keyframes waPulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* --- Footer --- */
.footer {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 0 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 35px;
    margin-bottom: 45px;
}

@media (min-width: 576px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 24px;
    color: var(--accent-teal);
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    color: var(--text-white);
}

.footer-desc {
    font-size: 13.5px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: var(--transition-smooth);
}

.social-icons a:hover {
    background: var(--accent-grad);
    transform: translateY(-2px);
}

.footer-col h3 {
    color: var(--text-white);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-teal);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-links a:hover {
    color: var(--accent-teal);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    gap: 10px;
    font-size: 13.5px;
    margin-bottom: 12px;
    align-items: flex-start;
}

.footer-contact i {
    color: var(--accent-teal);
    margin-top: 4px;
}

.footer-contact a {
    color: inherit;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
    text-align: center;
    font-size: 12.5px;
    color: rgba(255, 255, 255, 0.45);
}

/* --- Flipkart-Style Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.55);
    z-index: 1050;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-wrapper {
    background-color: var(--primary-light);
    width: 92%;
    max-width: 1000px;
    height: 88vh;
    max-height: 680px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    animation: modalScaleIn 0.3s cubic-bezier(0.1, 0.8, 0.1, 1) forwards;
}

@keyframes modalScaleIn {
    from { transform: scale(0.92); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 18px;
    font-size: 28px;
    font-weight: 300;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: color 0.2s;
}

.modal-close-btn:hover {
    color: var(--text-dark);
}

.modal-content-grid {
    display: grid;
    grid-template-columns: 1fr;
    height: 100%;
}

@media (min-width: 768px) {
    .modal-content-grid {
        grid-template-columns: 4.2fr 5.8fr;
    }
}

/* Left Panel - Image & Flipkart CTA Buttons */
.modal-image-panel {
    background-color: #ffffff;
    border-bottom: 1px solid #f1f5f9;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

@media (min-width: 768px) {
    .modal-image-panel {
        border-bottom: none;
        border-right: 1px solid #f1f5f9;
        padding: 40px;
        height: 100%;
    }
}

.modal-img-container {
    width: 100%;
    max-height: 260px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
    flex-grow: 1;
}

@media (min-width: 768px) {
    .modal-img-container {
        max-height: 340px;
    }
}

#modal-product-img {
    max-height: 250px;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

@media (min-width: 768px) {
    #modal-product-img {
        max-height: 320px;
    }
}

.modal-img-container:hover #modal-product-img {
    transform: scale(1.04);
}

.brand-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 10px;
    background-color: var(--primary-navy);
    color: var(--text-white);
    padding: 3px 8px;
    border-radius: 2px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.modal-actions-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    width: 100%;
}

@media (min-width: 480px) {
    .modal-actions-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 768px) {
    .modal-actions-container {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (min-width: 992px) {
    .modal-actions-container {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}

.modal-actions-container .btn {
    border-radius: 4px;
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    padding: 13px 15px;
    font-family: var(--font-heading);
}

/* Right Panel - Product specs details scrollable */
.modal-details-panel {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
    background-color: #ffffff;
}

@media (min-width: 768px) {
    .modal-details-panel {
        padding: 35px 35px 35px 30px;
    }
}

.modal-category-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.modal-product-title {
    font-size: 21px;
    font-weight: 700;
    color: #212121;
    margin-top: -8px;
}

@media (min-width: 768px) {
    .modal-product-title {
        font-size: 24px;
    }
}

/* Flipkart-style ratings bar */
.ratings-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    margin-top: -6px;
}

.rating-badge {
    background-color: #388e3c; /* Flipkart green */
    color: #ffffff;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 11px;
}

.ratings-count {
    color: #878787;
    font-weight: 500;
}

.modal-category-desc {
    font-size: 13.5px;
    color: #64748b;
    line-height: 1.6;
}

/* Packaging Size Pill Selector */
.size-selector-area {
    margin-top: 5px;
}

.size-selector-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #878787;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.size-pills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.size-pill {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    color: #212121;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.size-pill:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.size-pill.active {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background-color: rgba(0, 119, 182, 0.05);
    box-shadow: 0 2px 6px rgba(0, 119, 182, 0.05);
}

/* Highlights Section */
.highlights-area {
    margin-top: 5px;
}

.highlights-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #878787;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.highlights-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

@media (min-width: 576px) {
    .highlights-list {
        grid-template-columns: 1fr 1fr;
    }
}

.highlight-bullet {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: #212121;
}

.highlight-bullet i {
    color: #388e3c;
    margin-top: 4px;
    font-size: 11px;
}

/* Flipkart-style Specifications Table */
.specs-area {
    margin-top: 8px;
}

.specs-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 8px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid #f0f0f0;
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table th {
    width: 32%;
    text-align: left;
    font-size: 13px;
    color: #878787;
    font-weight: 500;
    padding: 10px 8px 10px 0;
    vertical-align: top;
}

.specs-table td {
    font-size: 13px;
    color: #212121;
    font-weight: 500;
    padding: 10px 8px;
    vertical-align: top;
}

/* --- Custom Branded Gradients & Backgrounds --- */
.hero-bg-slide-gradient {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(0, 180, 216, 0.18) 0%, transparent 60%),
                radial-gradient(circle at 20% 80%, rgba(11, 37, 69, 0.6) 0%, transparent 60%),
                var(--primary-dark);
}

.about-brand-gradient {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-dark) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.about-brand-gradient::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.08) 0%, transparent 60%);
    top: -50%;
    left: -50%;
    animation: rotateGrad 20s infinite linear;
}

@keyframes rotateGrad {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.brand-big-icon {
    font-size: 80px;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    z-index: 2;
    filter: drop-shadow(0 4px 10px rgba(0, 180, 216, 0.3));
    margin-bottom: 15px;
}

.brand-big-text {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 5px;
    color: var(--text-white);
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Facilities & Infrastructure Section Styles
   ========================================================================== */
.facilities-section {
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.facilities-grid {
    display: flex;
    flex-direction: column;
    gap: 35px;
    margin-top: 40px;
    max-width: 1050px;
    margin-left: auto;
    margin-right: auto;
}

.facility-card {
    background-color: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    border: 1px solid #e2e8f0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.facility-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
}

.facility-banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ==========================================================================
   Scroll-Triggered Animations (Intersection Observer)
   ========================================================================== */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform, opacity;
}

/* Modifier Animation Types */
.animate-on-scroll.fade-up {
    transform: translateY(40px);
}

.animate-on-scroll.fade-left {
    transform: translateX(-50px);
}

.animate-on-scroll.fade-right {
    transform: translateX(50px);
}

.animate-on-scroll.zoom-in {
    transform: scale(0.92);
}

/* Active State Triggered by Intersection Observer */
.animate-on-scroll.visible {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* Stagger delays for grids / lists */
.stagger-delay-1 { transition-delay: 0.1s; }
.stagger-delay-2 { transition-delay: 0.2s; }
.stagger-delay-3 { transition-delay: 0.3s; }
.stagger-delay-4 { transition-delay: 0.4s; }
.stagger-delay-5 { transition-delay: 0.5s; }
.stagger-delay-6 { transition-delay: 0.6s; }
.stagger-delay-7 { transition-delay: 0.7s; }
.stagger-delay-8 { transition-delay: 0.8s; }
.stagger-delay-9 { transition-delay: 0.9s; }
.stagger-delay-10 { transition-delay: 1.0s; }
.stagger-delay-11 { transition-delay: 1.1s; }
.stagger-delay-12 { transition-delay: 1.2s; }
.stagger-delay-13 { transition-delay: 1.3s; }
.stagger-delay-14 { transition-delay: 1.4s; }

/* Custom animation duration for slower/softer entries */
.duration-slow {
    transition-duration: 1.2s;
}