@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
    --primary-color: #7209B7;
    --secondary-color: #00F5FF;
    --accent-color: #FF006E;
    --dark-bg: #1A1A2E;
    --darker-bg: #0F0F1E;
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8D1;
    --card-bg: #16213E;
    --border-color: #2D3561;
    --success-color: #00F5A0;
    --gradient-start: #7209B7;
    --gradient-end: #00F5FF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--dark-bg);
    box-shadow: 0 4px 20px rgba(114, 9, 183, 0.3);
    transition: all 0.3s ease;
}

.sticky-header.scrolled {
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(114, 9, 183, 0.5);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active {
    color: var(--secondary-color);
}

.nav-link.active::after {
    width: 80%;
}

.mobile-menu-toggle {
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
}

.mobile-menu-toggle:hover {
    color: var(--secondary-color);
    transform: rotate(90deg);
}

.mobile-menu {
    background: var(--dark-bg);
    border-top: 2px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu .nav-link {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(114, 9, 183, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transition: left 0.3s ease;
}

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

.btn-primary:hover::before {
    left: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(114, 9, 183, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--secondary-color);
    padding: 0.75rem 2rem;
    border: 2px solid var(--secondary-color);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 245, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    padding: 0.75rem 2rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    background: rgba(114, 9, 183, 0.1);
    transform: translateY(-2px);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(114, 9, 183, 0.1), rgba(0, 245, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(114, 9, 183, 0.3);
    border-color: var(--primary-color);
}

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

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.card:hover .card-icon {
    transform: rotate(360deg) scale(1.1);
}

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

.form-label {
    display: block;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1.25rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(114, 9, 183, 0.2);
    background: var(--dark-bg);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-bg);
    border-top: 2px solid var(--primary-color);
    padding: 1.5rem;
    z-index: 9999;
    box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.5);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.cookie-banner .btn-primary {
    padding: 0.5rem 1.5rem;
    margin-right: 1rem;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.hero-gradient {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 50%, var(--darker-bg) 100%);
    position: relative;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(114, 9, 183, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 245, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

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

.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: var(--primary-color);
}

.accordion-header {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background: rgba(114, 9, 183, 0.1);
}

.accordion-header i {
    transition: transform 0.3s ease;
    color: var(--secondary-color);
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    display: none;
}

.loading-spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.glow-effect {
    box-shadow: 0 0 20px rgba(114, 9, 183, 0.5);
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(114, 9, 183, 0.5);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 245, 255, 0.5);
    }
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    font-size: 1.25rem;
}

.social-icon:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-color: transparent;
    color: var(--text-primary);
    transform: translateY(-3px);
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 2rem;
    border-left: 2px solid var(--border-color);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(114, 9, 183, 0.6);
}

.timeline-item:last-child {
    border-left: 2px solid transparent;
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-primary);
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 30px rgba(114, 9, 183, 0.4);
}

.badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(114, 9, 183, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    color: var(--secondary-color);
    font-size: 0.875rem;
    font-weight: 600;
}

.divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--secondary-color), transparent);
    margin: 3rem 0;
}

blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.25rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 1.5rem;
    }
}