/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    background: #000;
    color: #fff;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #7c3aed, #a855f7);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #6d28d9, #9333ea);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Advanced animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-3deg); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.3); }
    50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.6), 0 0 60px rgba(124, 58, 237, 0.4); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.4); }
    50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.8), 0 0 60px rgba(124, 58, 237, 0.6); }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes bounceSparkle {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-5px) scale(1.1); }
}

/* ======================
   CONTACT PAGE STYLES
   ====================== */

.contact-page {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Background Layers */
.bg-layer-1 {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #000000 0%, #7c3aed 50%, #000000 100%);
}

.bg-layer-2 {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(124, 58, 237, 0.2) 50%, rgba(139, 92, 246, 0.3) 100%);
}

.bg-layer-3 {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
}

/* Animated Background Elements */
.animated-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: pulse-glow 4s ease-in-out infinite;
}

.circle-1 {
    top: 25%;
    left: 25%;
    width: 384px;
    height: 384px;
    background: rgba(124, 58, 237, 0.1);
    animation-delay: 0s;
}

.circle-2 {
    bottom: 25%;
    right: 25%;
    width: 320px;
    height: 320px;
    background: rgba(139, 92, 246, 0.1);
    animation-delay: 1s;
}

.circle-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 288px;
    height: 288px;
    background: rgba(124, 58, 237, 0.05);
    animation-delay: 2s;
}

/* Grid Pattern */
.grid-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        linear-gradient(rgba(139, 92, 246, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.3) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Floating Code Symbols */
.floating-code {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.code-symbol {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    color: rgba(124, 58, 237, 0.2);
    animation: float 6s ease-in-out infinite;
}

.code-1 {
    top: 80px;
    left: 40px;
    font-size: 4rem;
    animation-delay: 0s;
}

.code-2 {
    top: 160px;
    right: 80px;
    font-size: 2.5rem;
    animation: float-delayed 8s ease-in-out infinite;
}

.code-3 {
    bottom: 128px;
    left: 80px;
    font-size: 3rem;
    color: rgba(139, 92, 246, 0.2);
    animation-delay: 1s;
}

.code-4 {
    bottom: 80px;
    right: 40px;
    font-size: 2.5rem;
    color: rgba(139, 92, 246, 0.2);
    animation: float-delayed 7s ease-in-out infinite;
}

.code-5 {
    top: 50%;
    left: 20px;
    font-size: 2rem;
    color: rgba(124, 58, 237, 0.1);
    animation-delay: 2s;
}

.code-6 {
    top: 33%;
    right: 20px;
    font-size: 2rem;
    color: rgba(139, 92, 246, 0.1);
    animation: float-delayed 6s ease-in-out infinite;
}

/* Content Container */
.content-container {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 1rem;
}

.contact-wrapper {
    max-width: 448px;
    margin: 0 auto;
}

/* Logo Section */
.logo-section {
    text-align: center;
    margin-bottom: 3rem;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.logo-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    border-radius: 1.5rem;
    filter: blur(16px);
    opacity: 0.6;
    animation: pulse-glow 3s ease-in-out infinite;
}

.logo-box {
    position: relative;
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, #ffffff, #f3f4f6, #d1d5db);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.logo-text {
    font-size: 1.875rem;
    font-weight: bold;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.sparkle {
    position: absolute;
    font-size: 1.25rem;
    animation: bounceSparkle 2s ease-in-out infinite;
}

.sparkle-1 {
    top: -8px;
    right: -8px;
    animation-delay: 0s;
}

.sparkle-2 {
    bottom: -4px;
    left: -8px;
    animation-delay: 0.5s;
}

.main-title {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ffffff, #e5e7eb, #a855f7);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: 0.75rem;
    animation: gradient-shift 4s ease infinite;
}

.subtitle {
    color: rgba(196, 181, 253, 0.8);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    border-radius: 2px;
    margin: 0 auto;
}

/* Contact Cards */
.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-card {
    position: relative;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.card-link {
    position: relative;
    display: block;
    padding: 1.5rem;
    border-radius: 1rem;
    overflow: hidden;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.whatsapp-card .card-link {
    background: linear-gradient(135deg, #22c55e, #16a34a, #059669);
}

.whatsapp-card:hover .card-link {
    box-shadow: 0 15px 40px rgba(34, 197, 94, 0.4);
}

.email-card .card-link {
    background: linear-gradient(135deg, #3b82f6, #2563eb, #0ea5e9);
}

.email-card:hover .card-link {
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.site-card .card-link {
    background: linear-gradient(135deg, #a855f7, #7c3aed, #8b5cf6);
}

.site-card:hover .card-link {
    box-shadow: 0 15px 40px rgba(168, 85, 247, 0.4);
}

.card-bg-effect {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-card:hover .card-bg-effect {
    opacity: 1;
}

.card-top-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.card-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-container {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.contact-card:hover .icon-container {
    background: rgba(255, 255, 255, 0.3);
}

.contact-icon {
    width: 28px;
    height: 28px;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.card-title {
    font-weight: bold;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.card-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
}

.card-arrow {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.contact-card:hover .card-arrow {
    color: white;
    transform: translateX(4px);
}

/* Contact Footer */
.contact-footer {
    text-align: center;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    padding: 0.75rem 1.5rem;
}

.footer-icon {
    width: 20px;
    height: 20px;
    color: #a855f7;
}

.footer-text {
    color: rgba(196, 181, 253, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ======================
   LANDING PAGE STYLES
   ====================== */

.landing-page {
    min-height: 100vh;
    background: #000;
    overflow-x: hidden;
}

/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all 0.3s ease;
}

.header-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.8), rgba(124, 58, 237, 0.8), rgba(0, 0, 0, 0.8));
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    position: relative;
}

.header-logo-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    border-radius: 0.75rem;
    filter: blur(8px);
    opacity: 0.6;
}

.header-logo-box {
    position: relative;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.header-logo-box svg {
    width: 24px;
    height: 24px;
    color: white;
}

.header-title {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ffffff, #e5e7eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.header-nav {
    display: none;
    gap: 2rem;
}

@media (min-width: 768px) {
    .header-nav {
        display: flex;
    }
}

.nav-link {
    color: #d1d5db;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    transition: width 0.3s ease;
}

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

.header-cta {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.header-cta:hover {
    background: linear-gradient(135deg, #6d28d9, #9333ea);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.4);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg-layer-1 {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #000000 0%, #7c3aed 50%, #000000 100%);
}

.hero-bg-layer-2 {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(124, 58, 237, 0.2) 50%, rgba(139, 92, 246, 0.3) 100%);
}

.hero-animated-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-floating-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: pulse-glow 4s ease-in-out infinite;
}

.hero-circle-1 {
    top: 25%;
    left: 25%;
    width: 384px;
    height: 384px;
    background: rgba(124, 58, 237, 0.1);
    animation-delay: 0s;
}

.hero-circle-2 {
    bottom: 25%;
    right: 25%;
    width: 320px;
    height: 320px;
    background: rgba(139, 92, 246, 0.1);
    animation-delay: 1s;
}

.hero-circle-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 288px;
    height: 288px;
    background: rgba(124, 58, 237, 0.05);
    animation-delay: 2s;
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        linear-gradient(rgba(139, 92, 246, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-floating-code {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-code-symbol {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    animation: float 6s ease-in-out infinite;
}

.hero-code-1 {
    top: 80px;
    left: 40px;
    font-size: 4rem;
    color: rgba(124, 58, 237, 0.2);
    animation-delay: 0s;
}

.hero-code-2 {
    top: 160px;
    right: 80px;
    font-size: 2.5rem;
    color: rgba(139, 92, 246, 0.2);
    animation: float-delayed 8s ease-in-out infinite;
}

.hero-code-3 {
    bottom: 128px;
    left: 80px;
    font-size: 3rem;
    color: rgba(139, 92, 246, 0.2);
    animation-delay: 1s;
}

.hero-code-4 {
    bottom: 80px;
    right: 40px;
    font-size: 2.5rem;
    color: rgba(139, 92, 246, 0.2);
    animation: float-delayed 7s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    margin-bottom: 2rem;
}

.badge-icon {
    font-size: 1rem;
}

.badge-text {
    color: #e5e7eb;
    font-size: 0.875rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: bold;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title-line1 {
    display: block;
    background: linear-gradient(135deg, #ffffff, #e5e7eb, #a855f7);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradient-shift 4s ease infinite;
}

.hero-title-line2 {
    display: block;
    background: linear-gradient(135deg, #a855f7, #8b5cf6, #ec4899);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradient-shift 4s ease infinite;
    animation-delay: 1s;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: #d1d5db;
    margin-bottom: 2rem;
    max-width: 64rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
    overflow: hidden;
}

.hero-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.hero-btn-primary:hover {
    background: linear-gradient(135deg, #6d28d9, #9333ea);
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(124, 58, 237, 0.5);
}

.hero-btn-primary:hover::before {
    left: 100%;
}

.hero-btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-arrow {
    transition: transform 0.3s ease;
}

.hero-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: #a855f7;
    border: 2px solid #7c3aed;
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.hero-btn-secondary:hover {
    background: #7c3aed;
    color: white;
    border-color: #a855f7;
    transform: scale(1.05);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* Section Styles */
.section-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 9999px;
    padding: 0.5rem 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(12px);
    border: 1px solid;
}

.courses-badge {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(139, 92, 246, 0.2));
    border-color: rgba(124, 58, 237, 0.3);
}

.courses-badge .badge-icon {
    width: 20px;
    height: 20px;
    color: #a855f7;
}

.courses-badge span {
    color: #e5e7eb;
    font-size: 0.875rem;
    font-weight: 500;
}

.differentials-badge {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(139, 92, 246, 0.2));
    border-color: rgba(124, 58, 237, 0.3);
}

.differentials-badge .badge-icon {
    width: 20px;
    height: 20px;
    color: #a855f7;
}

.differentials-badge span {
    color: #e5e7eb;
    font-size: 0.875rem;
    font-weight: 500;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: bold;
    background: linear-gradient(135deg, #ffffff, #e5e7eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.25rem;
    color: #9ca3af;
    max-width: 32rem;
    margin: 0 auto;
}

/* Courses Section */
.courses-section {
    position: relative;
    padding: 5rem 0;
}

.courses-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #000000 0%, #1f2937 50%, #000000 100%);
}

.courses-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.1), rgba(139, 92, 246, 0.1));
}

.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

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

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.course-card {
    position: relative;
    transition: all 0.3s ease;
}

.course-glow {
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.course-card:hover .course-glow {
    opacity: 1;
}

.course-1 .course-glow {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(139, 92, 246, 0.2));
}

.course-2 .course-glow {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(124, 58, 237, 0.2));
}

.course-3 .course-glow {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(59, 130, 246, 0.2));
}

.course-4 .course-glow {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(239, 68, 68, 0.2));
}

.course-content {
    position: relative;
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.9), rgba(0, 0, 0, 0.9));
    backdrop-filter: blur(12px);
    border: 1px solid #374151;
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.course-card:hover .course-content {
    border-color: rgba(124, 58, 237, 0.5);
    transform: scale(1.05);
}

.course-icon-container {
    width: 64px;
    height: 64px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.course-icon-1 {
    background: linear-gradient(135deg, #ec4899, #7c3aed, #6366f1);
}

.course-icon-2 {
    background: linear-gradient(135deg, #3b82f6, #7c3aed, #ec4899);
}

.course-icon-3 {
    background: linear-gradient(135deg, #22c55e, #3b82f6, #7c3aed);
}

.course-icon-4 {
    background: linear-gradient(135deg, #f97316, #ef4444, #7c3aed);
}

.course-icon {
    width: 32px;
    height: 32px;
    color: white;
}

.course-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: white;
    margin-bottom: 0.75rem;
}

.course-description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.course-details {
    margin-bottom: 1.5rem;
}

.course-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.detail-label {
    color: #6b7280;
}

.detail-value {
    color: #a855f7;
    font-weight: 500;
}

.detail-price {
    color: #22c55e;
    font-weight: bold;
}

.course-btn {
    width: 100%;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.course-btn:hover {
    background: linear-gradient(135deg, #6d28d9, #9333ea);
    transform: scale(1.05);
}

/* Differentials Section */
.differentials-section {
    position: relative;
    padding: 5rem 0;
}

.differentials-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #000000 0%, rgba(124, 58, 237, 0.2) 50%, #000000 100%);
}

.differentials-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.1), transparent);
}

.differentials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

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

@media (min-width: 1024px) {
    .differentials-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.differential-item {
    position: relative;
    text-align: center;
}

.differential-glow {
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.differential-item:hover .differential-glow {
    opacity: 1;
}

.differential-1 .differential-glow {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(139, 92, 246, 0.1));
}

.differential-2 .differential-glow {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(124, 58, 237, 0.1));
}

.differential-3 .differential-glow {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(59, 130, 246, 0.1));
}

.differential-4 .differential-glow {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(239, 68, 68, 0.1));
}

.differential-content {
    position: relative;
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.5), rgba(0, 0, 0, 0.5));
    backdrop-filter: blur(12px);
    border: 1px solid #374151;
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.differential-item:hover .differential-content {
    border-color: rgba(124, 58, 237, 0.5);
    transform: scale(1.05);
}

.differential-icon-container {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.3s ease;
}

.differential-item:hover .differential-icon-container {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.differential-icon-1 {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
}

.differential-icon-2 {
    background: linear-gradient(135deg, #3b82f6, #7c3aed);
}

.differential-icon-3 {
    background: linear-gradient(135deg, #22c55e, #3b82f6);
}

.differential-icon-4 {
    background: linear-gradient(135deg, #f97316, #ef4444);
}

.differential-icon {
    width: 36px;
    height: 36px;
    color: white;
}

.differential-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
}

.differential-description {
    color: #9ca3af;
    line-height: 1.5;
}

/* Contact Section */
.contact-section {
    position: relative;
    padding: 5rem 0;
}

.contact-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #7c3aed, #8b5cf6, #7c3aed);
}

.contact-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.2), transparent);
}

.contact-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    padding: 0.5rem 1.5rem;
    margin-bottom: 2rem;
}

.contact-badge .badge-icon {
    width: 20px;
    height: 20px;
    color: white;
}

.contact-badge span {
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
}

.contact-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: bold;
    color: white;
    margin-bottom: 1.5rem;
}

.contact-description {
    font-size: 1.25rem;
    color: rgba(196, 181, 253, 1);
    margin-bottom: 3rem;
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .contact-buttons {
        flex-direction: row;
    }
}

.contact-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    color: #7c3aed;
    padding: 1.25rem 2.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.contact-btn-primary:hover {
    background: #f3f4f6;
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(255, 255, 255, 0.2);
}

.contact-btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.contact-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 1.25rem 2.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.contact-btn-secondary:hover {
    background: white;
    color: #7c3aed;
    transform: scale(1.05);
}

.contact-btn-secondary:hover .btn-arrow {
    transform: translateX(4px);
}

/* Footer */
.main-footer {
    position: relative;
    background: linear-gradient(180deg, #000000, #1f2937, #000000);
    border-top: 1px solid #374151;
}

.footer-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.05), rgba(139, 92, 246, 0.05));
}

.footer-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo {
    position: relative;
}

.footer-logo-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    border-radius: 0.75rem;
    filter: blur(8px);
    opacity: 0.6;
}

.footer-logo-box {
    position: relative;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.footer-logo-box svg {
    width: 24px;
    height: 24px;
    color: white;
}

.footer-title {
    font-size: 1.875rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ffffff, #e5e7eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.footer-description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1.125rem;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        grid-column: span 2;
    }
}

.footer-column-title {
    font-weight: bold;
    color: white;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #a855f7;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #9ca3af;
}

.footer-contact .contact-icon {
    width: 16px;
    height: 16px;
    color: #a855f7;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
    
    .main-title {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }
    
    .contact-cards {
        gap: 1rem;
    }
    
    .card-link {
        padding: 1rem;
    }
    
    .header-nav {
        display: none;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Selection */
::selection {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
}