/* assets/css/style.css - Premium Core Styling */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    /* Color Palette - Cyber Industrial Theme */
    --bg-main: #090a0f;
    --bg-darker: #050608;
    --bg-card: rgba(18, 22, 33, 0.65);
    --bg-card-hover: rgba(26, 32, 48, 0.85);
    --color-accent: #f59e0b;      /* Glowing Amber */
    --color-accent-glow: rgba(245, 158, 11, 0.35);
    --color-cyan: #00e5ff;        /* Cyber Electricity Cyan */
    --color-cyan-glow: rgba(0, 229, 255, 0.3);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #111827;
    --color-title: #ffffff;
    
    --bg-header: rgba(9, 10, 15, 0.7);
    --bg-header-scrolled: rgba(5, 6, 8, 0.95);
    --border-header: rgba(255, 255, 255, 0.05);
    --bg-megamenu: rgba(10, 11, 16, 0.98);
    
    /* Layout Tokens */
    --border-glow: 1px solid rgba(255, 255, 255, 0.08);
    --border-accent: 1px solid rgba(245, 158, 11, 0.3);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --shadow-glow: 0 0 25px var(--color-accent-glow);
    --shadow-cyan: 0 0 25px var(--color-cyan-glow);
    --shadow-deep: 0 15px 35px rgba(0, 0, 0, 0.5);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-darker: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --color-accent: #d97706;      /* Darker Amber for contrast */
    --color-accent-glow: rgba(217, 119, 6, 0.2);
    --color-cyan: #0ea5e9;        /* Sky Blue for contrast */
    --color-cyan-glow: rgba(14, 165, 233, 0.2);
    --text-main: #1e293b;
    --text-muted: #475569;
    --text-dark: #f8fafc;
    --color-title: #0f172a;
    
    --bg-header: rgba(248, 250, 252, 0.7);
    --bg-header-scrolled: rgba(241, 245, 249, 0.98);
    --border-header: rgba(15, 23, 42, 0.08);
    --bg-megamenu: rgba(248, 250, 252, 0.98);
    
    --border-glow: 1px solid rgba(15, 23, 42, 0.08);
    --border-accent: 1px solid rgba(217, 119, 6, 0.3);
    --shadow-glow: 0 0 15px var(--color-accent-glow);
    --shadow-cyan: 0 0 15px var(--color-cyan-glow);
    --shadow-deep: 0 10px 25px rgba(15, 23, 42, 0.06);
}

/* Reset & Core Setup */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.03) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(0, 229, 255, 0.03) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-title);
}

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

/* Grid & Layout Utilities */
.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.text-center { text-align: center; }
.py-5 { padding-top: 5rem; padding-bottom: 5rem; }
.py-4 { padding-top: 4rem; padding-bottom: 4rem; }
.py-3 { padding-top: 3rem; padding-bottom: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.gap-2 { gap: 2rem; }
.gap-1 { gap: 1rem; }

/* Buttons & Interactive Elements */
.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), #d97706);
    color: var(--bg-darker);
    border: none;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-title);
    border: var(--border-glow);
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-2px);
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--border-glow);
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.12);
}

/* Header & Sticky Navigation */
.header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--border-header);
    transition: var(--transition-smooth);
}

.header-wrapper.scrolled {
    padding: 0.5rem 0;
    background: var(--bg-header-scrolled);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    height: 80px;
    transition: var(--transition-smooth);
}

.header-wrapper.scrolled .nav-container {
    height: 70px;
}

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

.logo-img {
    height: 50px;
    width: auto;
}

.logo-img-dark-theme {
    display: none !important;
}

.logo-img-light-theme {
    display: block !important;
}

/* Default state when dark theme is active */
html:not([data-theme="light"]) .logo-img-dark-theme {
    display: block !important;
}
html:not([data-theme="light"]) .logo-img-light-theme {
    display: none !important;
}

/* State when light theme is active */
html[data-theme="light"] .logo-img-dark-theme {
    display: none !important;
}
html[data-theme="light"] .logo-img-light-theme {
    display: block !important;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-title) 40%, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Menu & Mega Menu */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2.5rem;
}

.menu-item {
    position: relative;
}

.menu-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.menu-link:hover, .menu-item.active .menu-link {
    color: var(--color-accent);
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

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

/* Mega Menu Dropdown */
.has-megamenu {
    position: static; /* Allows full width mega menu */
}

.megamenu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-megamenu);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--color-accent);
    border-top: var(--border-header);
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    visibility: hidden;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-deep);
}

.has-megamenu:hover .megamenu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.megamenu-column h4 {
    font-size: 1.1rem;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.megamenu-list {
    list-style: none;
}

.megamenu-list li {
    margin-bottom: 0.75rem;
}

.megamenu-list a {
    color: var(--text-muted);
    font-size: 0.95rem;
    display: block;
}

.megamenu-list a:hover {
    color: var(--color-accent);
    transform: translateX(5px);
}

/* Hamburger Menu (Mobile) */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-title);
    font-size: 1.8rem;
    cursor: pointer;
}

/* Hero Slider Section */
.hero-slider-section {
    position: relative;
    height: 90vh;
    min-height: 600px;
    overflow: hidden;
    background: #000;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), visibility 1s;
    display: flex;
    align-items: center;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.4) contrast(1.1);
    transform: scale(1.08);
    transition: transform 7s ease-out;
}

.slide.active .slide-bg {
    transform: scale(1);
}

.slide-content {
    position: relative;
    z-index: 5;
    max-width: 800px;
    padding: 0 2rem;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

.slide.active .slide-content {
    transform: translateY(0);
    opacity: 1;
}

.slide-content h1,
[data-theme="light"] .slide-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: capitalize;
    color: #ffffff !important;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.85), 0 2px 8px rgba(0, 0, 0, 0.9);
}

.slide-content p,
[data-theme="light"] .slide-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9) !important;
    margin-bottom: 2.5rem;
    max-width: 650px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.85);
}

.slide-content .btn-secondary,
[data-theme="light"] .slide-content .btn-secondary {
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.35) !important;
    background: rgba(0, 0, 0, 0.35) !important;
    backdrop-filter: blur(8px);
}

.slide-content .btn-secondary:hover,
[data-theme="light"] .slide-content .btn-secondary:hover {
    color: var(--color-cyan) !important;
    border-color: var(--color-cyan) !important;
    background: rgba(0, 0, 0, 0.6) !important;
}

.slider-controls {
    position: absolute;
    bottom: 2.5rem;
    right: 3rem;
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.slider-arrow,
[data-theme="light"] .slider-arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4) !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(8px);
}

.slider-arrow:hover,
[data-theme="light"] .slider-arrow:hover {
    background: var(--color-accent) !important;
    color: var(--bg-darker) !important;
    border-color: var(--color-accent) !important;
    box-shadow: var(--shadow-glow);
}

.slider-dots {
    position: absolute;
    bottom: 2.5rem;
    left: 3rem;
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.slider-dot.active {
    background: var(--color-accent);
    transform: scale(1.2);
    box-shadow: 0 0 10px var(--color-accent);
}

/* Services Grid */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.service-card {
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    border: var(--border-glow);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.2));
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Section Title */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.subtitle-badge {
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-header h2 {
    font-size: 2.75rem;
    line-height: 1.2;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Products Section (Public) */
.product-filter-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-glow);
    color: var(--text-muted);
    padding: 0.6rem 1.8rem;
    border-radius: 2rem;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--color-accent);
    color: var(--bg-darker);
    border-color: var(--color-accent);
    font-weight: 600;
}

.products-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    border-radius: 1.5rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-image-container {
    height: 230px;
    width: 100%;
    position: relative;
    background: #11141c;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.product-card:hover .product-image {
    transform: scale(1.06);
}

.product-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.75);
    color: var(--color-cyan);
    border: 1px solid rgba(0, 229, 255, 0.3);
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 0.5rem;
}

.product-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-brand {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.product-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.product-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.product-actions button, .product-actions a {
    flex: 1;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    text-align: center;
}

/* Product Popup / Specification details */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 6, 8, 0.85);
    backdrop-filter: blur(12px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

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

.popup-content {
    width: 100%;
    max-width: 800px;
    background: #11141c;
    border: var(--border-glow);
    border-radius: 2rem;
    padding: 3rem;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-deep);
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.popup-overlay.active .popup-content {
    transform: translateY(0);
}

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

.popup-close:hover {
    color: #fff;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.spec-table th, .spec-table td {
    padding: 0.85rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-table th {
    color: var(--color-accent);
    font-weight: 600;
    width: 35%;
}

.spec-table td {
    color: var(--text-main);
}

/* Installations / Projects list */
.projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2rem;
}

.project-card {
    border-radius: 1.5rem;
    overflow: hidden;
    position: relative;
    height: 380px;
}

.project-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

.project-card:hover .project-bg {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(9, 10, 15, 0.95) 40%, rgba(9, 10, 15, 0.3) 100%);
    padding: 2.5rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.project-loc {
    font-size: 0.8rem;
    color: var(--color-cyan);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.project-overlay h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.project-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover p {
    opacity: 1;
    max-height: 100px;
    margin-top: 0.5rem;
}

/* Clients Grid */
.clients-carousel {
    display: flex;
    overflow: hidden;
    gap: 4rem;
    padding: 2rem 0;
    position: relative;
    mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}

.clients-track {
    display: flex;
    gap: 4rem;
    animation: scroll-clients 25s linear infinite;
}

.client-logo-card {
    background: rgba(255,255,255,0.02);
    border: var(--border-glow);
    padding: 1.5rem 3rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-size: 1.1rem;
}

@keyframes scroll-clients {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Interactive AI Load Calculator page */
.calc-wrapper {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.calc-sidebar {
    height: sticky;
    top: 100px;
}

.calc-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    background: rgba(255,255,255,0.03);
    padding: 0.4rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.calc-tab-btn {
    padding: 0.8rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.calc-tab-btn.active {
    background: rgba(255,255,255,0.08);
    color: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.calc-category-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.calc-cat-btn {
    flex: 1;
    padding: 0.75rem;
    background: rgba(255,255,255,0.02);
    border: var(--border-glow);
    color: var(--text-muted);
    border-radius: 0.75rem;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.calc-cat-btn.active {
    background: rgba(245, 158, 11, 0.08);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.nlp-input-container h3 {
    margin-bottom: 0.75rem;
}

.nlp-textarea {
    width: 100%;
    min-height: 150px;
    background: rgba(0, 0, 0, 0.25);
    border: var(--border-glow);
    border-radius: 1rem;
    padding: 1.25rem;
    color: #fff;
    font-family: inherit;
    font-size: 1.05rem;
    resize: vertical;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.nlp-textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.15);
}

.appliances-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.appliance-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    border: var(--border-glow);
}

.appliance-info h4 {
    font-size: 1.05rem;
}

.appliance-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.appliance-control {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border-radius: 0.5rem;
    border: var(--border-glow);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.qty-btn:hover {
    background: var(--color-accent);
    color: var(--bg-darker);
    border-color: var(--color-accent);
}

.qty-val {
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 25px;
    text-align: center;
}

/* Calculator summary sidebar */
.summary-panel {
    border-radius: 1.5rem;
    padding: 2.5rem;
    position: sticky;
    top: 100px;
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.meter-container {
    text-align: center;
    margin: 2rem 0;
}

.meter-value {
    font-size: 3rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
    margin-bottom: 0.25rem;
}

.meter-label {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.summary-breakdown {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    margin-bottom: 2rem;
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.breakdown-row.total {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.recommendations-box h3 {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.recommendation-card {
    background: rgba(0, 0, 0, 0.2);
    border: var(--border-glow);
    padding: 1rem;
    border-radius: 0.75rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.recommendation-card img {
    width: 60px;
    height: 60px;
    border-radius: 0.5rem;
    object-fit: cover;
}

.rec-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.rec-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Vision / Mission block styles */
.dual-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
}

.dual-section .glass-panel {
    padding: 3rem;
    border-radius: 1.5rem;
    background: var(--bg-card);
    border: var(--border-glow);
    transition: var(--transition-smooth);
}

.dual-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    color: var(--color-title);
}

.dual-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
}

.dual-section p,
.dual-section div {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Light Theme Overrides for Vision and Mission (Explicitly Deep Black Text) */
[data-theme="light"] .dual-section .glass-panel,
[data-theme="light"] .vision-mission-card {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .dual-section h2 {
    color: #000000 !important;
}

[data-theme="light"] .dual-section p,
[data-theme="light"] .dual-section div,
[data-theme="light"] .dual-section span,
[data-theme="light"] .dual-section strong,
[data-theme="light"] .vision-mission-text,
[data-theme="light"] .vision-mission-text p,
[data-theme="light"] .vision-mission-text div,
[data-theme="light"] .vision-mission-text span,
[data-theme="light"] .vision-mission-text strong {
    color: #111827 !important;
}

[data-theme="light"] .about-rich-text,
[data-theme="light"] .about-rich-text p,
[data-theme="light"] .about-rich-text div,
[data-theme="light"] .about-rich-text span,
[data-theme="light"] .about-rich-text li {
    color: #1f2937 !important;
}

/* Contact layout */
.contact-grid {
    grid-template-columns: 1.2fr 1.8fr;
    gap: 3rem;
}

.info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    padding: 2rem;
    border-radius: 1.25rem;
    display: flex;
    gap: 1.25rem;
}

.info-card-icon {
    font-size: 2rem;
    color: var(--color-accent);
}

.info-card-details h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

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

.contact-form {
    padding: 3rem;
    border-radius: 1.5rem;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: rgba(0,0,0,0.2);
    border: var(--border-glow);
    border-radius: 0.75rem;
    color: #fff;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

/* Footer elements */
.footer {
    background-color: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 5rem 0 2rem;
    font-size: 0.95rem;
}

.footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin: 1.5rem 0;
    max-width: 320px;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    border: var(--border-glow);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.social-icon:hover {
    background: var(--color-accent);
    color: var(--bg-darker);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    gap: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    z-index: 999;
    transition: var(--transition-smooth);
}

.whatsapp-float:hover {
    transform: scale(1.08) rotate(10deg);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .nav-menu {
        display: none; /* Hide default menu, handle with drawer on mobile */
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .calc-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    .slide-content h1 {
        font-size: 2.5rem;
    }
    .slide-content p {
        font-size: 1.1rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .dual-section {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Mobile Bottom App Navigation Bar */
.mobile-bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    body {
        padding-bottom: 75px !important;
    }
    
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 65px;
        background: var(--bg-header-scrolled);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: var(--border-header);
        z-index: 999;
        justify-content: space-around;
        align-items: center;
        box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.15);
    }
    
    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        font-size: 0.72rem;
        font-weight: 600;
        text-decoration: none;
        flex: 1;
        height: 100%;
        transition: var(--transition-smooth);
        gap: 0.15rem;
    }
    
    .mobile-nav-item i {
        font-size: 1.2rem;
        transition: var(--transition-smooth);
    }
    
    .mobile-nav-item:hover, .mobile-nav-item.active {
        color: var(--color-accent);
    }
    
    .mobile-nav-item.active i {
        transform: translateY(-2px);
        filter: drop-shadow(0 0 5px var(--color-accent-glow));
    }
    
    .whatsapp-float {
        bottom: 80px !important;
        right: 1.5rem !important;
        width: 50px !important;
        height: 50px !important;
        font-size: 1.5rem !important;
    }
    
    .mobile-menu-toggle {
        display: none !important; /* Hide hamburger toggle as we have native app layout tabs */
    }
}