/* Root Variables - Dark Theme */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131a;
    --bg-tertiary: #1a1a24;
    --text-primary: #e6e6e9;
    --text-secondary: #a0a0ab;
    --text-muted: #6e6e78;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --success: #10b981;
    --error: #ef4444;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

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

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    padding: 12px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 20px;
    border-radius: 8px;
    position: relative;
}

.nav-menu a:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    top: -250px;
    left: -250px;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    top: 50%;
    right: -300px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    bottom: -200px;
    left: 30%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 32px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* Hero Visual - Code Window */
.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    opacity: 0.6;
}

.code-window {
    width: 500px;
    background: rgba(26, 26, 36, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.window-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(13, 13, 18, 0.6);
    border-bottom: 1px solid var(--border-color);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.window-dots span:nth-child(1) {
    background: #ef4444;
}

.window-dots span:nth-child(2) {
    background: #f59e0b;
}

.window-dots span:nth-child(3) {
    background: #10b981;
}

.window-title {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.window-content {
    padding: 24px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
}

.code-line {
    margin-bottom: 8px;
    animation: fadeInCode 0.5s ease forwards;
    opacity: 0;
}

.code-line:nth-child(1) {
    animation-delay: 0.2s;
}

.code-line:nth-child(2) {
    animation-delay: 0.4s;
}

.code-line:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes fadeInCode {
    to {
        opacity: 1;
    }
}

.keyword {
    color: #c678dd;
}

.function {
    color: #61afef;
}

.string {
    color: #98c379;
}

.number {
    color: #d19a66;
}

.boolean {
    color: #56b6c2;
}

/* Section Styles */
section {
    padding: 120px 24px;
    position: relative;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

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

.service-card.featured {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: var(--accent-primary);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-primary);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-features span {
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent-primary);
}

/* About Section */
.about {
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.125rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.stat {
    text-align: center;
    padding: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    position: relative;
}

.visual-card {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 24px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    animation: floatCard 8s ease-in-out infinite;
}

.visual-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.visual-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: var(--accent-gradient);
    -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 0.4s ease;
}

.visual-card:nth-child(1) {
    animation-delay: 0s;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.visual-card:nth-child(2) {
    animation-delay: 2s;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(219, 39, 119, 0.05) 100%);
}

.visual-card:nth-child(3) {
    animation-delay: 4s;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.visual-card:nth-child(4) {
    animation-delay: 6s;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(2deg);
    }
    50% {
        transform: translateY(-8px) rotate(0deg);
    }
    75% {
        transform: translateY(-15px) rotate(-2deg);
    }
}

.visual-card:hover {
    transform: translateY(-16px) scale(1.08) !important;
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.4);
    animation-play-state: paused;
}

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

.visual-card:hover::after {
    opacity: 1;
}

.visual-card:hover .visual-icon {
    transform: scale(1.2) rotate(360deg);
}

.visual-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.6));
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    z-index: 1;
}

.visual-card:nth-child(1) .visual-icon {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-card:nth-child(2) .visual-icon {
    background: linear-gradient(135deg, #8b5cf6 0%, #db2777 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-card:nth-child(3) .visual-icon {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-card:nth-child(4) .visual-icon {
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-text {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.visual-card:hover .visual-text {
    transform: translateY(-4px);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Philosophy Section */
.philosophy {
    background: var(--bg-secondary);
}

.philosophy-content {
    text-align: center;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.philosophy-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.philosophy-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.4));
}

.philosophy-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.philosophy-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-secondary);
}

.contact-feature svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

/* Contact Form */
.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.required {
    color: var(--error);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

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

.character-count {
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 24px 40px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 400px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.brand-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.tagline {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent-primary);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-visual {
        display: none;
    }
}

@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 77px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 77px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 48px 24px;
        gap: 0;
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu a {
        width: 100%;
        text-align: center;
        padding: 16px 24px;
        font-size: 1.25rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-visual {
        order: -1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 640px) {
    .hero-cta-group {
        flex-direction: column;
        align-items: stretch;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
    }

    .about-visual {
        grid-template-columns: 1fr;
    }

    .footer-links-group {
        grid-template-columns: 1fr;
    }
}