/* Base Styles & Variables */
:root {
    /* Color Palette */
    --primary-color: #d4af37; /* Gold */
    --secondary-color: #c0c0c0; /* Silver */
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #6c757d;
    --white: #ffffff;
    --black: #000000;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-unit: 1rem;
    --section-padding: 5rem 0;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-gold: 0 0 15px rgba(212, 175, 55, 0.3);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

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

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #d4af37 100%);
    color: var(--white);
    border: 2px solid transparent;
    border-radius: 50px;
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(212, 175, 55, 0.4);
    color: var(--white);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

/* Header specific button style */
.nav-menu .btn-primary {
    margin-left: 1rem;
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
}

/* Hero section button style */
.hero .btn-primary {
    padding: 0.9rem 2rem;
    font-size: 1rem;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

/* Downloads Section */
.downloads-section {
    padding: 7rem 0 5rem; /* Added top padding to account for fixed header */
    background-color: var(--light-color);
    scroll-margin-top: 80px; /* Prevent header from covering section when scrolling */
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.download-card {
    background: var(--white);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-color);
    border: 1px solid #eee;
    text-decoration: none;
    display: block;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.download-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.download-card h3 {
    margin: 0.5rem 0;
    color: var(--dark-color);
}

.download-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--black);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
    color: var(--white);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(0, 0, 0, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: var(--white);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem var(--spacing-unit);
    gap: 1rem;
}

.logo {
    margin-right: auto; /* Push logo to the left */
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    white-space: nowrap;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    padding: 0.5rem 0;
    margin-left: auto; /* Push menu to the right */
}

.nav-menu li {
    margin-left: 1.5rem;
    white-space: nowrap;
    flex-shrink: 0; /* Prevent items from shrinking */
}

.nav-menu a {
    font-weight: 500;
    color: var(--white);
    position: relative;
    padding: 0.5rem 0;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 1;
    color: var(--white);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding-right: 2rem;
    position: relative;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--dark-color);
}

.hero p.lead {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* Features Highlight */
.features-highlight {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 2rem 0;
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.3rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #2d3748;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: default;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.feature-pill i {
    color: var(--primary-color);
    transition: all 0.3s ease;
    font-size: 1rem;
}

.feature-pill:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    color: #1a202c;
}

.feature-pill:hover i {
    color: #2b6cb0;
    transform: scale(1.1);
}

.feature-pill:hover i {
    transform: scale(1.1);
}

/* Materials Tags */
.materials-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.5rem 0 2.5rem;
}

.material-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: white;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
}

.material-tag i {
    margin-right: 5px;
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.material-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.material-tag:hover i {
    transform: scale(1.2) rotate(15deg);
}

/* Material Tag Colors */
.gold { 
    background: linear-gradient(135deg, #ffd700 0%, #ffa500 100%); 
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.silver { 
    background: linear-gradient(135deg, #c0c0c0 0%, #a0a0a0 100%); 
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.diamond { 
    background: linear-gradient(135deg, #b9f2ff 0%, #00b4d8 100%); 
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.platinum { 
    background: linear-gradient(135deg, #e5e4e2 0%, #b6b6b4 100%); 
    color: #333;
    text-shadow: 0 1px 1px rgba(255,255,255,0.5);
}
.kundan { 
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%); 
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.cta-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta-buttons .btn i {
    font-size: 1.1em;
    transition: transform 0.3s ease;
}

.cta-buttons .btn:hover i {
    transform: scale(1.1);
}

.cta-buttons .btn-primary {
    background: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
}

.cta-buttons .btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--primary-color);
}

.cta-buttons .btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
    max-height: 450px;
    overflow: hidden;
}

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: cover;
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.03);
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
}

.wave path {
    fill: var(--white);
}

/* Benefits Section */
.benefits {
    padding: var(--section-padding);
    background-color: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border-top: 3px solid var(--primary-color);
}

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

.benefit-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background-color: #f8f9fa;
    text-align: center;
}

.features .section-title {
    color: #1a1a1a;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.features .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #e8c15a);
    border-radius: 2px;
}

.features .section-subtitle {
    color: #666;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.features-tabs {
    background: var(--white);
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    padding-top: 20px;
}

.tabs-header {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 auto 2rem;
    max-width: 100%;
    padding: 0 1rem;
    position: relative;
    z-index: 2;
}

.tabs-header::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.tab-btn {
    padding: 0.9rem 2rem;
    background: #f8f8f8;
    border: 2px solid #e8e8e8;
    font-size: 1rem;
    font-weight: 500;
    color: #555;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-radius: 50px;
    white-space: nowrap;
    margin: 5px;
    position: relative;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transform: translateY(0);
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.tab-btn:first-child {
    margin-left: 0;
}

.tab-btn:last-child {
    margin-right: 0;
}

.tab-btn:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.tab-btn:hover {
    background: #f0f0f0;
    color: #222;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: #ddd;
}

.tab-btn:hover::before {
    opacity: 1;
}

.tab-btn:active {
    transform: translateY(-1px) scale(0.99);
    transition: all 0.1s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), #e8c15a);
    color: #fff;
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(212, 175, 55, 0); }
    100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

.tab-btn i {
    margin-right: 8px;
    font-size: 1.1em;
    display: inline-block;
    transition: transform 0.3s ease;
}

.tab-btn:hover i {
    transform: scale(1.1) rotate(5deg);
}

.tab-btn.active i {
    animation: bounce 0.8s ease infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0) rotate(0deg); }
    to { transform: translateY(-3px) rotate(5deg); }
}

/* Active tab styles are now combined with hover for better organization */

.tab-btn.active::after {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 10px #fff, 0 0 20px #fff;
    opacity: 0.8;
}

.tab-btn.active:after {
    width: 100%;
}

.tabs-content {
    padding: 3rem 2.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1;
    border: 1px solid #f0f0f0;
    margin-top: 10px;
    transform: translateY(0);
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tabs-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.tabs-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #e8c15a);
    z-index: 1;
    border-radius: 15px 15px 0 0;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    color: var(--text-color);
    line-height: 1.8;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tab-pane.active {
    display: block;
    animation: slideUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Features List Styling */
.tab-pane {
    text-align: left;
}

.tab-pane ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    max-width: 100%;
}

.tab-pane ul li {
    position: relative;
    padding: 0.5rem 0 0.5rem 2rem;
    margin-bottom: 0.75rem;
    color: #444;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.tab-pane ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1em;
    line-height: 1.5;
}

.tab-pane ul li:hover {
    color: #222;
    transform: translateX(5px);
}

/* Content Styling */
.tab-pane p, .tab-pane h3 {
    transition: transform 0.3s ease, color 0.3s ease;
    text-align: left;
}

.tab-pane h3 {
    margin: 2rem 0 1rem 0;
    color: #333;
    font-size: 1.5rem;
}

.tab-pane h3:first-child {
    margin-top: 0;
}

.tab-pane p {
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.7;
}

.tab-pane p:hover {
    transform: translateX(5px);
    color: #333;
}

.tab-pane h3:hover {
    color: var(--primary-color);
    transform: translateX(3px);
}

/* Style for tab content */
.tab-pane h3 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.tab-pane p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.tab-pane.active {
    display: block;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.feature-icon {
    color: var(--primary-color);
    margin-right: 1rem;
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

/* Why Choose Us Section */
.why-us {
    padding: var(--section-padding);
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../images/why-us-bg.jpg') no-repeat center center/cover;
    color: var(--white);
    position: relative;
}

.why-us .section-title {
    color: var(--white);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.highlight-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 220px;
    justify-content: center;
}

.highlight-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.highlight-icon {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
}

.highlight-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--white);
    font-weight: 600;
}

.highlight-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Modules Section */
.modules {
    padding: var(--section-padding);
    background-color: var(--white);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.module-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

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

.module-header {
    background: linear-gradient(135deg, var(--primary-color), #b38f2a);
    color: var(--white);
    padding: 1.5rem;
    text-align: center;
}

.module-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.module-body {
    padding: 1.5rem;
}

.module-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.module-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.module-features li:last-child {
    border-bottom: none;
}

.module-features i {
    color: var(--primary-color);
    margin-right: 0.5rem;
    font-size: 0.875rem;
}

/* Advanced Features Section */
.advanced {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

.advanced-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-box {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border-top: 3px solid var(--primary-color);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-box h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.logo-card {
  width: 100px;               /* circle size */
  height: 100px;
  border-radius: 50%;         /* makes it circular */
  background-color: #ffffff;  /* card background */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); /* soft shadow */
  display: flex;              /* center the image */
  align-items: center;
  justify-content: center;
  overflow: hidden;           /* hides extra parts of the image */
}

.logo-card img {
  width: 80%;                 /* adjust logo size */
  height: auto;               /* keep aspect ratio */
  object-fit: contain;        /* fit inside circle */
}



/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    padding: 2rem;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.contact-info p {
    margin-bottom: 2rem;
    color: var(--text-light);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

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

/* ======================
   NEWSLETTER BANNER
   ====================== */
.newsletter-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    padding: 50px 0;
    color: white;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.newsletter-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.newsletter-text h3 {
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 700;
    color: white;
}

.newsletter-text p {
    font-size: 16px;
    opacity: 0.9;
    margin: 0;
}

.newsletter-form {
    flex: 1;
    max-width: 600px;
    min-width: 300px;
}

.newsletter-form .input-group {
    display: flex;
    margin: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    overflow: hidden;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 25px;
    border: none;
    font-size: 16px;
    border-radius: 50px 0 0 50px;
    transition: all 0.3s ease;
}

.newsletter-form .btn-newsletter {
    background: #1a1a2e;
    color: white;
    border: none;
    padding: 0 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border-radius: 0 50px 50px 0;
}

.newsletter-form .btn-newsletter:hover {
    background: #0f0f1a;
    transform: none;
}

.newsletter-form .btn-newsletter i {
    font-size: 14px;
}

/* ======================
   FOOTER STYLES
   ====================== */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 80px 0 0;
    position: relative;
    font-size: 15px;
    line-height: 1.8;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #ff8e53);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-column {
    padding: 0 15px;
}

.footer-logo h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
    position: relative;
    padding-bottom: 15px;
}

.footer-logo h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #ff8e53);
    border-radius: 3px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-contact .contact-item i {
    font-size: 18px;
    color: #ff6b6b;
    margin-right: 15px;
    margin-top: 5px;
}

.footer-contact .contact-item div span {
    display: block;
    font-weight: 500;
    color: #fff;
    margin-bottom: 3px;
}

.footer-contact .contact-item div small {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #ff8e53);
    border-radius: 3px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 15px;
    transition: all 0.3s ease;
}

.footer-links li::before {
    content: '\f054';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 10px;
    position: absolute;
    left: 0;
    top: 8px;
    color: #ff6b6b;
    transition: all 0.3s ease;
}

.footer-links li:hover::before {
    transform: translateX(5px);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
    font-weight: 400;
}

.footer-links a:hover {
    color: #ff6b6b;
    padding-left: 5px;
}

.footer-links i {
    margin-right: 8px;
    font-size: 12px;
    color: #ff6b6b;
}

.newsletter-form p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.input-group {
    position: relative;
    display: flex;
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border-radius: 4px 0 0 4px;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #ff6b6b;
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.btn-newsletter {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    color: #fff;
    border: none;
    padding: 0 20px;
    cursor: pointer;
    border-radius: 0 4px 4px 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-newsletter:hover {
    background: linear-gradient(45deg, #ff5252, #ff7e3f);
    transform: translateY(-1px);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
    border-color: transparent;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
}

.footer-legal a:not(:last-child)::after {
    content: '|';
    position: absolute;
    right: -12px;
    color: rgba(255, 255, 255, 0.2);
}

.footer-legal a:hover {
    color: #ff6b6b;
    text-decoration: none;
}

/* Responsive Footer */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        width: 100%;
    }
    
    .newsletter-text {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .newsletter-banner {
        padding: 40px 0;
        margin-bottom: 30px;
    }
    
    .newsletter-text h3 {
        font-size: 24px;
    }
    
    .newsletter-form .btn-newsletter span {
        display: none;
    }
    
    .newsletter-form .btn-newsletter {
        padding: 0 25px;
    }
    
    .newsletter-form .btn-newsletter i {
        margin: 0;
    }
    
    .footer {
        padding: 30px 0 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-column {
        padding: 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .footer-legal a:not(:last-child)::after {
        display: none;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--dark-color);
    transform: translateY(-3px);
}

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

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto 3rem;
        padding-right: 0;
        max-width: 100%;
    }
    
    .features-highlight {
        justify-content: center;
    }
    
    .materials-tags {
        justify-content: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .hero-image {
        margin: 2rem auto 0;
        max-width: 80%;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 40px;
        height: 30px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
        position: relative;
    }
    
    .menu-toggle .bar {
        display: block;
        width: 100%;
        height: 3px;
        background-color: var(--white);
        transition: all 0.3s ease;
        border-radius: 2px;
        margin: 4px 0;
    }
    
    .menu-toggle .bar:first-child {
        margin-top: 0;
    }
    
    .menu-toggle .bar:last-child {
        margin-bottom: 0;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
        transform: translateX(-20px);
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--dark-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease-in-out;
        padding: 2rem;
        z-index: 1000;
        margin: 0;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        color: var(--white) !important;
        font-size: 1.1rem;
        padding: 0.8rem 1.5rem !important;
        border-radius: 4px;
        transition: background-color 0.3s ease;
    }
    
    .nav-menu a:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu .btn-primary {
        background-color: var(--primary-color) !important;
        color: var(--white) !important;
        padding: 0.8rem 1.5rem !important;
        border-radius: 4px;
        margin-top: 1rem;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p.lead {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
.menu-toggle.active .bar:nth-child(3) {
transform: translateY(-8px) rotate(-45deg);
}
    
.section-title {
font-size: 2rem;
}
    
.hero h1 {
font-size: 2.5rem;
}
    
.hero p.lead {
font-size: 1.1rem;
}
    
.cta-buttons {
flex-direction: column;
gap: 1rem;
}
    
.btn {
width: 100%;
}
}

@media (max-width: 768px) {
.hero h1 {
font-size: 2.2rem;
}
    
.hero p.lead {
font-size: 1.1rem;
}
    
.features-highlight {
gap: 0.6rem;
}
    
.feature-pill {
padding: 0.5rem 1rem;
font-size: 0.8rem;
}
    
.materials-tags {
gap: 0.6rem;
}
    
.material-tag {
padding: 0.4rem 0.8rem;
font-size: 0.8rem;
}
    
.cta-buttons {
flex-direction: column;
}
    
.cta-buttons .btn {
justify-content: center;
width: 100%;
}
    
.section-title {
font-size: 1.75rem;
}
}

@media (max-width: 576px) {
.hero h1 {
font-size: 2rem;
}
    
.section-title {
font-size: 1.75rem;
}
    
.benefits-grid,
.highlights-grid,
.modules-grid,
.advanced-features {
grid-template-columns: 1fr;
}
    .benefits-grid,
    .highlights-grid,
    .modules-grid,
    .advanced-features {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-links h4::after,
    .footer-newsletter h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .newsletter-form {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .newsletter-alert {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}

/* Alert Styles */
.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
    transition: opacity 0.3s ease;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.newsletter-alert {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease-out;
    transition: opacity 0.3s ease;
    max-width: 350px;
}

.newsletter-alert.success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.newsletter-alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

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

/* Loading spinner */
.fa-spinner {
    margin-right: 0.5rem;
}

/* Form validation */
.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: #dc3545;
}

.form-group input:focus:invalid,
.form-group select:focus:invalid,
.form-group textarea:focus:invalid {
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-control:invalid ~ .invalid-tooltip,
.form-control.is-invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-tooltip {
    display: block;
}