@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');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --primary-color: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary-color: #EC4899;
    --secondary-dark: #DB2777;
    --accent-color: #10B981;
    --dark-bg: #0F172A;
    --dark-card: #1E293B;
    --dark-border: #334155;
    --light-text: #F1F5F9;
    --gray-text: #94A3B8;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #0A0F1E;
    color: var(--light-text);
    overflow-x: hidden;
    line-height: 1.6;
}

.font-mono {
    font-family: 'JetBrains Mono', monospace;
}

header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.1);
    border-bottom-color: var(--primary-color);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.02em;
}

nav a {
    position: relative;
    color: var(--gray-text);
    transition: color 0.3s ease;
    font-weight: 500;
}

nav a:hover {
    color: var(--primary-light);
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

nav a.active {
    color: var(--primary-light);
}

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

.mobile-menu-toggle:hover {
    transform: scale(1.1);
    color: var(--primary-light);
}

.mobile-menu {
    background: var(--dark-card);
    border-bottom: 1px solid var(--dark-border);
}

.mobile-menu a {
    color: var(--gray-text);
    padding: 1rem 1.5rem;
    display: block;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    border-left-color: var(--primary-color);
}

.hero-gradient {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-secondary {
    background: transparent;
    color: var(--primary-light);
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

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

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

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

.tech-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(236, 72, 153, 0.2));
    border-radius: 1rem;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.tech-card:hover .tech-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(236, 72, 153, 0.3));
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

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

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

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    background: var(--dark-card);
    border: 2px solid var(--dark-border);
    border-radius: 0.5rem;
    padding: 0.875rem 1rem;
    color: var(--light-text);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: var(--dark-bg);
}

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

.form-checkbox {
    width: 18px;
    height: 18px;
    border-radius: 0.25rem;
    border: 2px solid var(--dark-border);
    background: var(--dark-card);
    cursor: pointer;
}

.accordion-item {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

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

.accordion-header:hover {
    background: rgba(99, 102, 241, 0.05);
}

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

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

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

.stats-card {
    background: linear-gradient(135deg, var(--dark-card), rgba(99, 102, 241, 0.05));
    border: 1px solid var(--dark-border);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--dark-card), rgba(99, 102, 241, 0.1));
}

.stats-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-card);
    border-top: 2px solid var(--primary-color);
    padding: 1.5rem;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

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

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

.cookie-banner a {
    color: var(--primary-light);
    text-decoration: underline;
}

.cookie-banner button {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cookie-banner button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

footer {
    background: var(--dark-card);
    border-top: 1px solid var(--dark-border);
    margin-top: 4rem;
}

footer a {
    color: var(--gray-text);
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-light);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 0.5rem;
    color: var(--primary-light);
    transition: all 0.3s ease;
    font-size: 1.25rem;
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

::-webkit-scrollbar-track {
    background: var(--dark-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(--primary-dark), var(--secondary-dark));
}

.glow-effect {
    position: relative;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.glow-effect:hover::after {
    opacity: 1;
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), transparent);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--dark-bg);
}

.code-block {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--dark-border);
    border-left: 4px solid var(--primary-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    color: var(--accent-color);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--primary-color);
}

.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    margin-right: 0.5rem;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-number {
        font-size: 2.5rem;
    }
    
    .tech-card {
        padding: 1.5rem;
    }
    
    .timeline-item {
        padding-left: 2rem;
    }
}

@media (max-width: 640px) {
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .cookie-banner {
        padding: 1rem;
    }
}