:root {
    --bg: #0A0A0F;
    --surface: #12121A;
    --primary: #0066FF;
    --primary-glow: rgba(0, 102, 255, 0.4);
    --primary-muted: rgba(0, 102, 255, 0.1);
    --secondary: #00FF88;
    --secondary-glow: rgba(0, 255, 136, 0.4);
    --secondary-muted: rgba(0, 255, 136, 0.1);
    --text-primary: #F0EEF8;
    --text-muted: #9E9BB5;
    --border: #1E1E2E;
    --white: #FFFFFF;
    
    --font-display: 'Syne', 'Arial Black', sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'Syne Mono', 'Courier New', monospace;
    
    --transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    --container-padding: 2rem;
    --section-spacing: 5rem;
}

.light-mode {
    --bg: #F5F5FA;
    --surface: #FFFFFF;
    --primary: #0052CC;
    --primary-glow: rgba(0, 82, 204, 0.3);
    --primary-muted: rgba(0, 82, 204, 0.08);
    --secondary: #00CC6A;
    --secondary-glow: rgba(0, 204, 106, 0.3);
    --secondary-muted: rgba(0, 204, 106, 0.08);
    --text-primary: #1A1A2E;
    --text-muted: #6B6B80;
    --border: #E2E2EE;
    --white: #1A1A2E;
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 3rem;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal, .reveal-stagger > * {
        opacity: 1 !important;
        transform: none !important;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

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

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.4s, color 0.4s;
}

/* Noise Texture */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.05;
    pointer-events: none;
    z-index: 9999;
}

.light-mode body::before {
    opacity: 0.03;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.05;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 0.3em;
    margin-bottom: 1.5rem;
    display: block;
    font-weight: 600;
}

.section-headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 4rem;
    max-width: 900px;
}

p {
    color: var(--text-muted);
    font-size: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Utility */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

section {
    padding-top: var(--section-spacing);
    padding-bottom: var(--section-spacing);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 2.5rem;
    border-radius: 100px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.75rem;
    font-size: 0.9375rem;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 10px 40px -10px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--bg);
    box-shadow: 0 10px 40px -10px var(--secondary-glow);
}

.btn-secondary:hover {
    transform: translateY(-4px) scale(1.02);
}

.btn-ghost {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-ghost:hover {
    background-color: var(--text-primary);
    color: var(--bg);
    border-color: var(--text-primary);
}

/* Cursor Orb */
#orb-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1000px;
    height: 1000px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.08) 0%, rgba(0, 255, 136, 0.03) 40%, transparent 70%);
    filter: blur(100px);
    transform: translate(-50%, -50%);
    will-change: transform, opacity;
    animation: orbPulse 12s infinite alternate ease-in-out;
}

@keyframes orbPulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    100% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.7; }
}

.dot-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1.5px, transparent 1.5px);
    background-size: 80px 80px;
    opacity: 0.6;
    z-index: -1;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: var(--transition);
    padding: 1.25rem 0;
}

nav.scrolled {
    padding: 0.6rem 0;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.light-mode nav.scrolled {
    background: rgba(245, 245, 250, 0.8);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    letter-spacing: -0.05em;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
.light-mode .theme-toggle .sun { display: block; }
.light-mode .theme-toggle .moon { display: none; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 101;
    padding: 10px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg);
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: 0.8s cubic-bezier(0.85, 0, 0.15, 1);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
}

/* Hero */
.hero {
    padding-top: 10rem;
    padding-bottom: 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    margin-bottom: 2rem;
    letter-spacing: -0.05em;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 700px;
    line-height: 1.4;
    color: var(--text-primary);
    opacity: 0.8;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.social-proof-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.5;
    margin-bottom: 2rem;
}

/* Brand Logos Scroll */
.brand-scroll {
    overflow: hidden;
    position: relative;
}

.brand-track {
    display: flex;
    gap: 4rem;
    width: max-content;
}

.brand-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    opacity: 0.4;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Layout Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Cards & Interactive Blocks */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    transition: background-color 0.4s, border-color 0.4s;
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 255, 0.4);
    box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
}

.card::after {
    content: '';
    position: absolute;
    top: var(--mouse-y, 0);
    left: var(--mouse-x, 0);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.icon-wrapper {
    width: 56px;
    height: 56px;
    color: var(--primary);
    margin-bottom: 2rem;
}

.icon-wrapper svg {
    width: 100%;
    height: 100%;
}

.card-link {
    font-weight: 700;
    font-size: 0.8125rem;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 2.5rem;
}

.work-card {
    grid-column: span 1;
}

.work-image {
    aspect-ratio: 16 / 9;
    background: linear-gradient(45deg, var(--primary-muted), var(--secondary-muted));
    border-radius: 16px;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}



.work-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--secondary);
    margin-bottom: 1rem;
    display: block;
}

.work-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.work-card:not(.large) h3 {
    font-size: 1.5rem;
}

.work-stat {
    color: var(--text-muted);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* Process */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 2rem;
    align-items: start;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -0.05em;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

/* Tech Stack */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.tech-badge {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.tech-badge:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tech-note {
    margin-top: 3rem;
    font-size: 0.9375rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-block {
    background: var(--surface);
    padding: 2.5rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--primary);
    display: block;
    margin-bottom: 0.5rem;
    letter-spacing: -0.05em;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Testimonials */
.testimonial-scroll {
    overflow: hidden;
    cursor: grab;
    position: relative;
}

.testimonial-scroll:active {
    cursor: grabbing;
}

.testimonial-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
}

.testimonial-card {
    width: 450px;
    flex-shrink: 0;
}

.testimonial-card .card {
    padding: 2.5rem;
    height: 100%;
}

.stars {
    color: var(--secondary);
    margin-bottom: 1.5rem;
    letter-spacing: 0.2em;
    font-size: 1.125rem;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-weight: 500;
    color: var(--text-primary);
}

.testimonial-author {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* FAQ Accordion */
.faq-list {
    max-width: 900px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.faq-answer p {
    padding-bottom: 2.5rem;
    font-size: 1rem;
    line-height: 1.7;
}

/* Contact */
.contact-card {
    padding: 5rem 3rem;
    background: var(--surface);
    border-radius: 40px;
    border: 1px solid var(--border);
    transition: background-color 0.4s, border-color 0.4s;
}

.contact-inner {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-inner h2 {
    margin-bottom: 1.5rem;
}

.contact-desc {
    margin-bottom: 3rem;
    font-size: 1.125rem;
    opacity: 0.8;
}

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

.form-field-full {
    grid-column: span 2;
}

.form-input {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    width: 100%;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-muted);
}

textarea.form-input {
    min-height: 180px;
    resize: vertical;
}

.form-submit {
    grid-column: span 2;
    margin-top: 0.5rem;
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    grid-column: span 2;
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.9375rem;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: var(--secondary-muted);
    color: var(--secondary);
    border: 1px solid var(--secondary);
}

.form-message.error {
    display: block;
    background: rgba(255, 77, 77, 0.1);
    color: #FF4D4D;
    border: 1px solid rgba(255, 77, 77, 0.3);
}

.contact-links {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    gap: 4rem;
    opacity: 0.6;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Footer */
footer {
    padding: 5rem 0 3rem;
    border-top: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-primary);
}

.light-mode footer {
    background: #0A0A0F;
    border-top-color: #1E1E2E;
    color: #F0EEF8;
}

.light-mode footer .logo {
    color: #F0EEF8;
}

.light-mode footer .footer-tagline,
.light-mode footer .footer-copy,
.light-mode footer .footer-links {
    color: #9E9BB5;
    opacity: 1;
}

.light-mode footer .footer-link-col a:hover {
    color: #0066FF;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
    display: block;
}

.footer-tagline {
    max-width: 300px;
    margin-bottom: 2.5rem;
    opacity: 0.5;
    font-size: 0.9375rem;
}

.footer-copy {
    opacity: 0.3;
    font-size: 0.75rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0.6;
}

.footer-link-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link-col a:hover {
    color: var(--primary);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.social-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal-stagger.active > * {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.active > *:nth-child(1) { transition-delay: 0.08s; }
.reveal-stagger.active > *:nth-child(2) { transition-delay: 0.16s; }
.reveal-stagger.active > *:nth-child(3) { transition-delay: 0.24s; }
.reveal-stagger.active > *:nth-child(4) { transition-delay: 0.32s; }
.reveal-stagger.active > *:nth-child(5) { transition-delay: 0.40s; }
.reveal-stagger.active > *:nth-child(6) { transition-delay: 0.48s; }

@media (max-width: 992px) {
    .nav-links, .nav-actions .btn-secondary { display: none; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 3.5rem; }
    .section-headline { font-size: 2.5rem; }
    .work-card { grid-column: span 12; }
    .stats-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 3rem; }
    .form-grid { grid-template-columns: 1fr; }
    .form-field-full, .form-submit, .form-message { grid-column: span 1; }
    .testimonial-card { width: 350px; }
    .process-step { grid-template-columns: 1fr; gap: 1rem; }
    .step-number { font-size: 2rem; }
    .contact-links { flex-direction: column; align-items: center; gap: 1.5rem; }
}