/* ==========================================================================
   dojobd.com - Premium Design System (Vanilla CSS)
   Author: Senior PHP Developer
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-primary: #07090e;
    --bg-secondary: #0d111b;
    --bg-tertiary: #141a29;
    
    --primary-color: #4facfe;
    --secondary-color: #00f2fe;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    
    --gradient-primary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);
    --gradient-dark: linear-gradient(180deg, #0d111b 0%, #07090e 100%);
    --gradient-glow: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, rgba(0, 0, 0, 0) 70%);

    /* Text Colors */
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #1f2937;
    
    /* Layout & Styling */
    --font-primary: 'Hind Siliguri', 'Inter', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --border-color: rgba(255, 255, 255, 0.07);
    --border-glow: rgba(79, 172, 254, 0.3);
    
    --glass-bg: rgba(13, 17, 27, 0.75);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
}

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

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

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

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(79, 172, 254, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 60%, rgba(139, 92, 246, 0.04) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

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

ul {
    list-style: none;
}

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

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: #ffffff;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
    position: relative;
    margin-bottom: 3rem;
    text-align: center;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

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

/* ==========================================================================
   Layout Utilities
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 8rem 0;
    position: relative;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* ==========================================================================
   Buttons & Inputs
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 242, 254, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #ffffff;
    transform: translateY(-3px);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(45deg);
    transition: 0.8s;
    opacity: 0;
}

.btn-glow:hover::after {
    left: 120%;
    top: 120%;
    opacity: 1;
}

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: #ffffff;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

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

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.25rem 0;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--glass-shadow);
}

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

.brand-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.1rem;
    letter-spacing: -0.03em;
}

.brand-logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-accent {
    color: var(--primary-color) !important;
    font-weight: 400;
    opacity: 0.7;
}

.navbar {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

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

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

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding-top: 12rem;
    padding-bottom: 8rem;
    overflow: hidden;
    position: relative;
}

.hero-glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--gradient-glow);
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    max-width: 650px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(79, 172, 254, 0.08);
    border: 1px solid rgba(79, 172, 254, 0.2);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.badge i {
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.hero-image-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-glow {
    position: absolute;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

.hero-mockup {
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    border: 1px solid var(--border-color);
    transform: perspective(1000px) rotateY(-12deg) rotateX(5deg);
    transition: var(--transition-smooth);
    z-index: 2;
    background: var(--bg-secondary);
}

.hero-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* ==========================================================================
   Product Showcase
   ========================================================================== */
.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--card-accent, var(--gradient-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-border-hover, rgba(79, 172, 254, 0.3));
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-icon-box {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.product-card:hover .product-icon-box {
    background: var(--card-accent, var(--gradient-primary));
    color: var(--bg-primary);
    transform: scale(1.1) rotate(5deg);
}

.product-card-title {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.product-card-tagline {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-card-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.product-features-preview {
    margin-bottom: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.product-features-preview li {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features-preview li i {
    color: var(--success-color);
    font-size: 0.8rem;
}

.product-card-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.link-learn {
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #ffffff;
}

.link-learn:hover {
    color: var(--primary-color);
}

.link-learn:hover i {
    transform: translateX(3px);
}

/* ==========================================================================
   Stats Counter
   ========================================================================== */
.stats-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 5rem 0;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
}

.stat-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Why Choose Us
   ========================================================================== */
.feature-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.feature-box:hover {
    transform: translateY(-5px);
    border-color: var(--client-color, rgba(255, 255, 255, 0.15)) !important;
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.5), 0 0 15px 1px var(--client-color)1a !important;
}

.feature-box:hover .client-border-glow {
    width: 100% !important;
}

.feature-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.9rem;
}

/* ==========================================================================
   Interactive Quote Calculator
   ========================================================================== */
.calc-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.calc-glow {
    position: absolute;
    bottom: -20%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 3rem;
}

.calc-modules-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.module-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
}

.module-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.02);
}

.module-card.selected {
    border-color: var(--secondary-color);
    background: rgba(0, 242, 254, 0.04);
}

.module-checkbox {
    margin-top: 0.25rem;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.module-card.selected .module-checkbox {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

.module-checkbox i {
    color: var(--bg-primary);
    font-size: 0.75rem;
    display: none;
}

.module-card.selected .module-checkbox i {
    display: block;
}

.module-info {
    flex-grow: 1;
}

.module-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.module-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #ffffff;
}

.module-price {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 1rem;
}

.module-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.calc-summary-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    position: sticky;
    top: 100px;
    height: fit-content;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.summary-title {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    text-align: left;
}

.summary-title::after {
    display: none;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.summary-row.total {
    border-top: 1px dashed var(--border-color);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.total-label {
    font-weight: 700;
    font-size: 1.15rem;
}

.total-amount {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--secondary-color);
}

/* ==========================================================================
   Testimonials Slider
   ========================================================================== */
.testimonial-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.quote-icon {
    font-size: 3rem;
    color: rgba(79, 172, 254, 0.1);
    position: absolute;
    top: 1.5rem;
    right: 2rem;
}

.stars {
    color: var(--warning-color);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.user-name {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
}

.user-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 6rem 0 0 0;
    position: relative;
    overflow: hidden;
}

.footer-bg-glow {
    position: absolute;
    bottom: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 5rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-title {
    font-size: 1.15rem;
    position: relative;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    text-align: left;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a i {
    font-size: 0.75rem;
    transition: var(--transition-smooth);
}

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

.footer-links a:hover i {
    color: var(--primary-color);
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact li {
    display: flex;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-contact li i {
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.2);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form .form-input {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.newsletter-form .btn {
    padding: 0 1.25rem;
    border-radius: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================================================
   Page Banners / Titles
   ========================================================================== */
.page-banner {
    padding: 10rem 0 5rem 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.banner-title {
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

.banner-title::after {
    display: none;
}

.breadcrumb {
    display: inline-flex;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: #ffffff;
}

.breadcrumb span {
    color: var(--primary-color);
}

/* ==========================================================================
   Product Detail Layouts
   ========================================================================== */
.product-detail-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3.5rem;
    margin-bottom: 4rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.product-detail-flex {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.product-detail-flex.even {
    flex-direction: row;
}

.product-detail-flex.odd {
    flex-direction: row-reverse;
}

.product-detail-img-container {
    flex: 1.2;
    position: relative;
    width: 100%;
}

.product-detail-content {
    flex: 1;
    width: 100%;
}

.product-detail-actions {
    margin-top: 2.5rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.product-detail-img {
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.detail-features-list {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

.detail-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.detail-features-list li i {
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Toast / Notification System
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    background: var(--bg-tertiary);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15);
    color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Design Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
    h1 { font-size: 2.75rem; }
    .hero-title { font-size: 3rem; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .calc-grid { grid-template-columns: 1fr; }
    .calc-summary-card { position: relative; top: 0; }
    .product-detail-flex {
        flex-direction: column !important;
        gap: 3rem;
    }
    .product-detail-card {
        padding: 2.5rem 2rem !important;
        margin-bottom: 2.5rem !important;
        border-radius: 16px !important;
    }
}

@media (max-width: 768px) {
    .section { padding: 5rem 0; }
    .grid-2 { grid-template-columns: 1fr; gap: 2.5rem; }
    .product-detail-card {
        padding: 2rem 1.5rem !important;
        margin-bottom: 2rem !important;
        border-radius: 14px !important;
    }
    .product-detail-content h2 {
        font-size: 1.6rem !important;
        text-align: center !important;
    }
    .product-detail-content .badge {
        display: table !important;
        margin: 0 auto 1.25rem auto !important;
    }
    .product-detail-content p {
        text-align: center !important;
        font-size: 0.92rem !important;
    }
    .product-detail-content h3 {
        text-align: center !important;
    }
    .detail-features-list {
        max-width: 450px !important;
        margin: 1.5rem auto 0 auto !important;
    }
    .product-detail-actions {
        justify-content: center !important;
        margin-top: 2rem !important;
    }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .hero-section { padding-top: 10rem; padding-bottom: 5rem; }
    .hero-content { text-align: center; max-width: 100%; }
    .hero-actions { justify-content: center; }
    .hero-mockup { transform: none; }
    .hero-mockup:hover { transform: none; }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .navbar {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 6rem 2.5rem;
        gap: 3rem;
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        transition: var(--transition-smooth);
    }
    
    .navbar.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.75rem;
    }
    
    .mobile-nav-toggle.open span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.open span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom-flex { flex-direction: column; text-align: center; gap: 1rem; }
}

@media (max-width: 480px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.8rem; }
    .hero-title { font-size: 2.35rem; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .calc-container { padding: 1.5rem; }
    .module-card { padding: 1rem; }
    .product-card { padding: 1.5rem; }
    .product-detail-card { padding: 1.5rem; }
    .toast { right: 1rem; left: 1rem; }
}

/* ==========================================================================
   Admin Panel & Login Layout Styles
   ========================================================================== */
.admin-login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-primary);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    border-radius: 16px;
    padding: 3.5rem 3rem;
    max-width: 450px;
    width: 100%;
    text-align: center;
}

.admin-dashboard-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
    padding-top: 5.5rem; /* offset header height */
}

.admin-sidebar {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #07090e 100%) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.04) !important;
    padding: 2rem 1.25rem !important;
    box-shadow: 15px 0 30px rgba(0, 0, 0, 0.3) !important;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.admin-sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 0.6rem !important;
}

.admin-sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.85rem !important;
    padding: 0.9rem 1.25rem !important;
    border-radius: 10px !important;
    font-size: 0.92rem !important;
    font-weight: 500;
    color: var(--text-muted) !important;
    transition: var(--transition-smooth);
    border: 1px solid transparent !important;
    background: transparent !important;
}

.admin-sidebar-link i {
    font-size: 1.05rem !important;
    width: 22px !important;
    text-align: center !important;
    color: rgba(255, 255, 255, 0.35) !important;
    transition: var(--transition-smooth) !important;
}

/* Sidebar Hover Style */
.admin-sidebar-link:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.02) !important;
    border-color: rgba(255, 255, 255, 0.03) !important;
    padding-left: 1.55rem !important;
}

.admin-sidebar-link:hover i {
    color: var(--secondary-color) !important;
    transform: scale(1.2) rotate(5deg) !important;
}

/* Sidebar Active Style */
.admin-sidebar-link.active {
    background: linear-gradient(90deg, rgba(79, 172, 254, 0.12) 0%, rgba(0, 242, 254, 0.02) 100%) !important;
    color: #ffffff !important;
    border: 1px solid rgba(79, 172, 254, 0.18) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), inset 0 0 10px rgba(79, 172, 254, 0.05) !important;
    padding-left: 1.55rem !important;
    position: relative !important;
}

/* Active side vertical neon indicator strip */
.admin-sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 12px var(--primary-color);
}

.admin-sidebar-link.active i {
    color: var(--primary-color) !important;
    transform: scale(1.15) !important;
}

/* ==========================================================================
   Admin Header Premium Elements
   ========================================================================== */
/* Glowing Admin Tag Pill */
.brand-logo span[style*="background:rgba(79, 172, 254, 0.1)"] {
    background: rgba(79, 172, 254, 0.12) !important;
    border: 1px solid rgba(79, 172, 254, 0.25) !important;
    box-shadow: 0 0 12px rgba(79, 172, 254, 0.15) !important;
    letter-spacing: 0.05em;
    padding: 3px 10px !important;
    border-radius: 6px !important;
}

/* Logging status with pulsing green active dot */
.main-header span[style*="font-size:0.9rem"] {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.02) !important;
    border: 1px solid rgba(255, 255, 255, 0.04) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 30px !important;
    font-size: 0.82rem !important;
    color: var(--text-main) !important;
}

.main-header span[style*="font-size:0.9rem"] i.fa-user-shield {
    color: var(--primary-color) !important;
}

.main-header span[style*="font-size:0.9rem"] strong {
    color: #ffffff !important;
    font-weight: 600 !important;
}

/* Pulse green dot for status */
.main-header span[style*="font-size:0.9rem"]::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success-color);
    animation: activePulse 2s infinite;
}

/* Logout Button Styling */
.main-header a[href="logout"] {
    background: rgba(239, 68, 68, 0.08) !important;
    color: var(--danger-color) !important;
    border: 1px solid rgba(239, 68, 68, 0.2) !important;
    border-radius: 8px !important;
    padding: 0.55rem 1.25rem !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    transition: var(--transition-smooth) !important;
}

.main-header a[href="logout"]:hover {
    background: var(--danger-color) !important;
    color: #ffffff !important;
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4) !important;
    transform: translateY(-2px) !important;
}

@keyframes activePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.admin-content {
    padding: 3rem;
    background: var(--bg-primary);
}

.admin-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.admin-title-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.admin-stat-card {
    background: rgba(13, 17, 27, 0.6) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--glass-shadow);
    border-radius: 16px !important;
    padding: 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.admin-stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 100% 0%, rgba(79, 172, 254, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.admin-stat-card:hover {
    border-color: rgba(79, 172, 254, 0.25) !important;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(79, 172, 254, 0.05);
}

.admin-stat-icon {
    width: 54px;
    height: 54px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon-blue {
    background: rgba(79, 172, 254, 0.1);
    color: var(--primary-color);
}

.stat-icon-cyan {
    background: rgba(0, 242, 254, 0.1);
    color: var(--secondary-color);
}

.stat-icon-purple {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}

.admin-stat-info h3 {
    font-size: 1.75rem;
    margin-bottom: 0.1rem;
}

.admin-stat-info p {
    font-size: 0.85rem;
    font-weight: 500;
}

.admin-table-container {
    background: rgba(13, 17, 27, 0.6) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--glass-shadow);
    border-radius: 16px !important;
    padding: 2rem !important;
    overflow-x: auto;
    margin-bottom: 3rem;
}

.admin-table-title {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.admin-table th {
    background: rgba(255, 255, 255, 0.02) !important;
    padding: 1.1rem 1.25rem !important;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #ffffff;
    border-bottom: 2px solid rgba(255, 255, 255, 0.05) !important;
}

.admin-table td {
    padding: 1.1rem 1.25rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-main);
}

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

.admin-table tr:hover td {
    background: rgba(79, 172, 254, 0.02);
}

.badge-module {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
    color: var(--text-main);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    box-shadow: var(--glass-shadow);
    animation: fadeUp 0.3s forwards;
    overflow: hidden;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 2rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.modal-close-btn:hover {
    color: #ffffff;
}

/* ==========================================================================
   Admin Mobile Responsive Collapsible Drawer Sidebar
   ========================================================================== */
@media (max-width: 1024px) {
    .admin-mobile-toggle {
        display: flex !important;
    }
    
    .admin-dashboard-container {
        grid-template-columns: 1fr !important;
        padding-top: 5rem !important;
    }
    
    .admin-sidebar {
        position: fixed !important;
        top: 0 !important;
        left: -280px !important;
        width: 260px !important;
        height: 100vh !important;
        z-index: 9999 !important;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.6) !important;
        transition: var(--transition-smooth) !important;
        background: var(--bg-secondary) !important;
        display: flex !important;
        flex-direction: column !important;
        padding: 6.5rem 1.5rem 2.5rem 1.5rem !important;
        gap: 2rem !important;
        border-right: 1px solid var(--border-color) !important;
    }
    
    .admin-sidebar.open {
        left: 0 !important;
    }
    
    .admin-sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 9998;
        display: none;
        animation: fadeIn 0.3s ease;
    }
    
    .admin-sidebar-overlay.open {
        display: block;
    }
    
    .admin-content {
        padding: 2.5rem 1.25rem !important;
    }
    
    .admin-stats-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 2rem 1rem !important;
    }
    .admin-header-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }
    .admin-header-flex .btn {
        width: 100%;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}