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

:root {
    /* Color Palette */
    --primary-blue: #1e3a8a;
    --light-blue: #60a5fa;
    --baby-blue: #bfdbfe;
    --orange: #f97316;
    --white: #ffffff;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --border-color: #e2e8f0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    --gradient-light: linear-gradient(135deg, #bfdbfe 0%, #dbeafe 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Animation Timing */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --container-padding: 2rem;
    --section-padding: 5rem 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    cursor: pointer;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-base);
}

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

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

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

.nav-link.cta-btn {
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: all var(--transition-base);
}

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

.nav-link.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: all var(--transition-base);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 2rem 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    animation: float 20s infinite;
}

.hero-particles::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.3) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.hero-particles::after {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.2) 0%, transparent 70%);
    bottom: -250px;
    right: -250px;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

.hero-content {
    max-width: 1400px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
}

.title-line {
    display: block;
    overflow: hidden;
}

.title-line:first-child {
    animation: slideInLeft 0.8s ease 0.2s both;
}

.title-line:last-child {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: slideInLeft 0.8s ease 0.4s both;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.5s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span,
.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    animation: fadeInUp 1s ease 0.7s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-top: 0.5rem;
}

.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeIn 1s ease 0.5s both;
}

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

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1.5rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.floating-card i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.floating-card span {
    font-weight: 600;
    color: var(--primary-blue);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation: floatCard 4s ease-in-out infinite;
}

.card-2 {
    top: 10%;
    right: 15%;
    animation: floatCard 5s ease-in-out infinite 0.5s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation: floatCard 4.5s ease-in-out infinite 1s;
}

.card-4 {
    bottom: 15%;
    right: 10%;
    animation: floatCard 5.5s ease-in-out infinite 1.5s;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-gray);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   Section Styles
======================================== */
section {
    padding: var(--section-padding);
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-light);
    color: var(--primary-blue);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-gray);
}

/* ========================================
   About Section
======================================== */
.about {
    background: var(--white);
}

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

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: var(--white);
    opacity: 0.9;
}

.floating-badge {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.floating-badge i {
    font-size: 1.5rem;
    color: var(--orange);
}

.badge-1 {
    top: -20px;
    right: -20px;
}

.badge-2 {
    bottom: -20px;
    left: -20px;
    animation-delay: 0.5s;
}

.about-features {
    display: grid;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
}

.feature-item:hover {
    border-color: var(--light-blue);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 15px;
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.feature-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.feature-content p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========================================
   Services Section
======================================== */
.services {
    background: var(--light-bg);
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 25px;
    position: relative;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 25px;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-card.featured .service-icon i {
    background: var(--white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.service-card.featured h3 {
    color: var(--white);
}

.service-card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.service-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-gray);
}

.service-card.featured .service-list li {
    color: rgba(255, 255, 255, 0.95);
}

.service-list i {
    color: var(--orange);
    font-size: 0.875rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.service-card.featured .service-link {
    color: var(--white);
}

.service-link:hover {
    gap: 1rem;
}

/* ========================================
   Tech Tools Section
======================================== */
.tech-tools {
    background: var(--white);
    padding: var(--section-padding);
}

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

.tool-card {
    background: var(--light-bg);
    border-radius: 25px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--light-blue);
}

.tool-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
}

.tool-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.tool-card > p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.tool-interface {
    background: var(--white);
    border-radius: 20px;
    padding: 1.5rem;
}

.tool-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-option {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tool-option input[type="number"] {
    width: 80px;
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    text-align: center;
}

.tool-option span {
    font-weight: 600;
    color: var(--text-dark);
}

.tool-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 10px;
    transition: all var(--transition-base);
}

.tool-checkbox:hover {
    background: var(--light-bg);
}

.tool-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--orange);
}

.tool-checkbox span {
    font-weight: 500;
    color: var(--text-dark);
}

.tool-controls input[type="text"],
.tool-controls textarea,
.tool-controls select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.tool-controls input:focus,
.tool-controls textarea:focus,
.tool-controls select:focus {
    outline: none;
    border-color: var(--light-blue);
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.1);
}

.tool-output {
    position: relative;
    margin-bottom: 1rem;
}

.tool-output input,
.tool-output textarea {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    background: var(--light-bg);
    resize: none;
}

.tool-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-md);
}

.tool-button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* IP Info Styles */
.ip-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ip-detail {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.ip-label {
    font-weight: 600;
    color: var(--primary-blue);
}

.ip-value {
    color: var(--text-gray);
    font-family: 'Courier New', monospace;
}

/* Speed Info Styles */
.speed-info {
    margin-bottom: 1rem;
}

.speed-gauge {
    text-align: center;
    padding: 2rem;
    background: var(--gradient-light);
    border-radius: 15px;
    margin-bottom: 1rem;
}

.speed-gauge i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.speed-gauge .speed-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.speed-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.speed-detail {
    text-align: center;
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.speed-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-gray);
    margin-bottom: 0.25rem;
}

.speed-detail .speed-value {
    font-weight: 700;
    color: var(--primary-blue);
}

/* Text Stats Styles */
.text-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.stat-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    background: var(--gradient-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateX(5px);
    background: linear-gradient(135deg, #e0f2fe 0%, #bfdbfe 100%);
}

.stat-box .stat-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-gray);
}

.stat-box .stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    min-width: 60px;
    text-align: right;
}

/* Color Picker Styles */
.color-picker-wrapper {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
    justify-content: center;
}

.color-picker-wrapper input[type="color"] {
    width: 120px;
    height: 120px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.color-picker-wrapper input[type="color"]:hover {
    transform: scale(1.05);
}

.color-preview {
    width: 120px;
    height: 120px;
    border-radius: 15px;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.color-values {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.color-value {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    background: var(--gradient-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.color-value:hover {
    transform: translateX(5px);
    background: linear-gradient(135deg, #e0f2fe 0%, #bfdbfe 100%);
}

.color-value label {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 0.95rem;
    min-width: 50px;
}

.color-value input {
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    background: var(--white);
    flex: 1;
    margin-left: 1rem;
}

/* QR Code Styles */
.qr-display {
    min-height: 200px;
    background: var(--white);
    border: 2px dashed var(--border-color);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 1rem;
}

.qr-placeholder {
    text-align: center;
    color: var(--text-gray);
}

.qr-placeholder i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    opacity: 0.3;
}

.qr-placeholder p {
    font-size: 0.875rem;
}

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

/* ========================================
   Classes Section - CompTIA Certifications
======================================== */
.classes {
    background: var(--white);
}

.comptia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.comptia-card {
    background: var(--white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
}

.comptia-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--light-blue);
}

.comptia-month {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.comptia-header {
    height: 180px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.comptia-header::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.05) 10px,
        rgba(255, 255, 255, 0.05) 20px
    );
    animation: slidePattern 20s linear infinite;
}

@keyframes slidePattern {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.comptia-header i {
    position: relative;
    z-index: 1;
}

.comptia-content {
    padding: 2rem;
}

.comptia-content h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--primary-blue);
    font-weight: 700;
}

.comptia-description {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.comptia-level {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--gradient-light);
    color: var(--primary-blue);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Legacy class styles for compatibility */
.class-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    border: 2px solid var(--border-color);
    background: var(--white);
    color: var(--text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-accent);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.class-card {
    background: var(--white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
}

.class-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--light-blue);
}

.class-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    z-index: 10;
}

.class-badge.beginner {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: var(--white);
}

.class-badge.intermediate {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: var(--white);
}

.class-badge.advanced {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: var(--white);
}

.class-header {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.class-header::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.05) 10px,
        rgba(255, 255, 255, 0.05) 20px
    );
    animation: slidePattern 20s linear infinite;
}

.class-header i {
    position: relative;
    z-index: 1;
}

.class-content {
    padding: 2rem;
}

.class-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.class-content p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.class-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 15px;
}

.class-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.class-meta i {
    color: var(--light-blue);
}

.class-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.price {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-register {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-register:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Testimonials Section
======================================== */
.testimonials {
    background: var(--light-bg);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
}

.testimonial-track {
    display: flex;
    gap: 2rem;
    animation: scroll 30s linear infinite;
    padding: 1rem 0;
}

.testimonial-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100% / 5 * 3));
    }
}

.testimonial-card {
    min-width: 400px;
    background: var(--white);
    padding: 2.5rem;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.testimonial-rating {
    margin-bottom: 1.5rem;
}

.testimonial-rating i {
    color: var(--orange);
    font-size: 1.25rem;
    margin-right: 0.25rem;
}

.testimonial-text {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.0625rem;
    font-style: italic;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.author-info h4 {
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.author-info span {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--white);
    border: none;
    box-shadow: var(--shadow-lg);
    color: var(--primary-blue);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
}

.slider-btn:hover {
    background: var(--gradient-accent);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 0;
}

.next-btn {
    right: 0;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.trust-item i {
    font-size: 3rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.trust-item span {
    font-weight: 600;
    color: var(--primary-blue);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Contact Section
======================================== */
.contact {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 20px;
    transition: all var(--transition-base);
}

.info-card:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateX(10px);
}

.info-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.info-card:hover h3,
.info-card:hover p {
    color: var(--white);
}

.info-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

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

.social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--gradient-accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    background: var(--light-bg);
    padding: 3rem;
    border-radius: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--light-blue);
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.1);
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 1.25rem;
    color: var(--text-gray);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-blue);
}

/* ========================================
   Footer
======================================== */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--orange);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--gradient-accent);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

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

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--white);
    transform: translateX(5px);
}

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

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 50px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background: var(--gradient-accent);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.newsletter-form button:hover {
    transform: scale(1.1);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* ========================================
   Modal
======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 30px;
    padding: 3rem;
    max-width: 600px;
    width: 100%;
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--light-bg);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--gradient-accent);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-content h2 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-xl);
        transition: left var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .classes-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        min-width: 300px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .modal-content {
        padding: 2rem;
    }
}

/* ========================================
   Utility Classes
======================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ========================================
   Animations
======================================== */
.fade-in {
    animation: fadeInUp 0.6s ease;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

.scale-in {
    animation: scaleIn 0.6s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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