/* ============================================
   NEXORA AI — Global Styles & Animations
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.35);

    --accent-primary: #6C63FF;
    --accent-secondary: #00D9FF;
    --accent-pink: #FF6B9D;
    --accent-green: #00FF88;
    --accent-orange: #FFB347;
    --accent-red: #FF6B6B;

    --gradient-primary: linear-gradient(135deg, #6C63FF, #00D9FF);
    --gradient-secondary: linear-gradient(135deg, #FF6B9D, #C850C0);
    --gradient-text: linear-gradient(135deg, #6C63FF, #00D9FF, #00FF88);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --nav-height: 80px;
    --section-padding: 120px;
    --container-max: 1200px;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: default;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--accent-primary);
    color: #fff;
}

/* ---------- Cursor Glow ---------- */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.07) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ---------- Canvas ---------- */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

/* ---------- Container ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Section ---------- */
.section {
    padding: var(--section-padding) 0;
    position: relative;
    z-index: 1;
}

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

.section-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 4s ease infinite;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.5);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    border-color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
    border-radius: 14px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-glow {
    animation: btnGlow 3s ease-in-out infinite;
}

@keyframes btnGlow {
    0%, 100% { box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3); }
    50% { box-shadow: 0 4px 40px rgba(108, 99, 255, 0.6), 0 0 80px rgba(108, 99, 255, 0.2); }
}

/* ---------- Scroll Animations ---------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.4s var(--ease-out-expo);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 100;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-ai {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-nav {
    padding: 10px 24px;
    font-size: 0.875rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 100;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.hero-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.3), transparent 70%);
    top: -10%;
    right: -10%;
    animation: orbFloat1 15s ease-in-out infinite;
}

.hero-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.2), transparent 70%);
    bottom: -10%;
    left: -10%;
    animation: orbFloat2 18s ease-in-out infinite;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.15), transparent 70%);
    top: 40%;
    left: 50%;
    animation: orbFloat3 12s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-40px, 30px) scale(1.1); }
    66% { transform: translate(20px, -20px) scale(0.95); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.15); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-secondary);
    margin-bottom: 28px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* Title */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 4s ease infinite;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
}

/* CTA */
.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Hero Visual - AI Brain */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-brain {
    position: relative;
    width: 400px;
    height: 400px;
}

.brain-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.brain-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.brain-ring-1 {
    width: 120px;
    height: 120px;
    border-color: rgba(108, 99, 255, 0.3);
    animation: ringPulse 4s ease-in-out infinite;
}

.brain-ring-2 {
    width: 180px;
    height: 180px;
    border-color: rgba(0, 217, 255, 0.2);
    animation: ringPulse 4s ease-in-out infinite 0.5s;
}

.brain-ring-3 {
    width: 240px;
    height: 240px;
    border-color: rgba(0, 255, 136, 0.1);
    animation: ringPulse 4s ease-in-out infinite 1s;
}

@keyframes ringPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.6; }
}

.brain-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    animation: brainCenterGlow 3s ease-in-out infinite;
}

.brain-center svg {
    width: 100%;
    height: 100%;
}

@keyframes brainCenterGlow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(108, 99, 255, 0.5)); }
    50% { filter: drop-shadow(0 0 25px rgba(108, 99, 255, 0.8)); }
}

/* Brain Nodes */
.brain-nodes {
    position: absolute;
    inset: 0;
}

.node {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-secondary);
    animation: nodeFloat 6s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.node-2 { top: 18%; right: 5%; animation-delay: 0.5s; }
.node-3 { bottom: 18%; right: 5%; animation-delay: 1s; }
.node-4 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 1.5s; }
.node-5 { bottom: 18%; left: 5%; animation-delay: 2s; }
.node-6 { top: 18%; left: 5%; animation-delay: 2.5s; }

@keyframes nodeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.node-1, .node-4 {
    animation-name: nodeFloatCentered;
}

@keyframes nodeFloatCentered {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

/* Brain Connections */
.brain-connections {
    position: absolute;
    inset: 0;
}

.connection-lines {
    width: 100%;
    height: 100%;
}

.conn-line {
    stroke: rgba(108, 99, 255, 0.15);
    stroke-width: 1;
    stroke-dasharray: 5 5;
    animation: dashMove 20s linear infinite;
}

@keyframes dashMove {
    to { stroke-dashoffset: -100; }
}

/* Data Particles */
.data-particles {
    position: absolute;
    inset: 0;
}

.data-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent-secondary);
    box-shadow: 0 0 6px var(--accent-secondary);
}

.dp-1 { animation: particleOrbit1 4s linear infinite; }
.dp-2 { animation: particleOrbit2 5s linear infinite; }
.dp-3 { animation: particleOrbit3 6s linear infinite; }
.dp-4 { animation: particleOrbit1 4.5s linear infinite reverse; }
.dp-5 { animation: particleOrbit2 5.5s linear infinite reverse; }
.dp-6 { animation: particleOrbit3 3.5s linear infinite; }

@keyframes particleOrbit1 {
    0% { top: 50%; left: 50%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 0%; left: 50%; opacity: 0; }
}

@keyframes particleOrbit2 {
    0% { top: 50%; left: 50%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 18%; right: 5%; left: auto; opacity: 0; }
}

@keyframes particleOrbit3 {
    0% { top: 50%; left: 50%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { bottom: 18%; left: 5%; top: auto; opacity: 0; }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
    animation: fadeInUp 1s ease 1.5s both;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--border-hover);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 2s ease-in-out infinite;
}

@keyframes wheelScroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    background: var(--bg-secondary);
}

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

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
}

.about-pattern {
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.about-code-block {
    background: #0d1117;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }

.code-title {
    margin-left: 12px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.code-body {
    padding: 20px;
    overflow-x: auto;
}

.code-body pre {
    margin: 0;
}

.code-body code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.8;
    color: #e6edf3;
}

.code-keyword { color: #ff7b72; }
.code-class { color: #79c0ff; }
.code-func { color: #d2a8ff; }
.code-string { color: #a5d6ff; }
.code-number { color: #79c0ff; }

.code-cursor {
    position: absolute;
    bottom: 50px;
    right: 120px;
    width: 2px;
    height: 18px;
    background: var(--accent-primary);
    animation: cursorBlink 1s step-end infinite;
}

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

.about-content .section-label {
    text-align: left;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.3s ease;
}

.about-feature:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.feature-icon-small {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.feature-icon-small svg {
    width: 22px;
    height: 22px;
}

.about-feature h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.about-feature p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 24px;
}

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

.service-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 12px;
    background: rgba(108, 99, 255, 0.08);
    color: var(--accent-secondary);
    border-radius: 100px;
    border: 1px solid rgba(108, 99, 255, 0.15);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
    transition: all 0.3s ease;
}

.service-link:hover {
    color: var(--accent-secondary);
    gap: 10px;
}

/* ============================================
   TECHNOLOGY / ORBIT SECTION
   ============================================ */
.tech-section {
    background: var(--bg-secondary);
    overflow: hidden;
}

.tech-orbit {
    position: relative;
    width: 500px;
    height: 500px;
    margin: 0 auto 80px;
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: 0 0 40px rgba(108, 99, 255, 0.4);
}

.orbit-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    color: #fff;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    border: 1px dashed;
}

.orbit-ring-1 {
    width: 200px;
    height: 200px;
    margin: -100px 0 0 -100px;
    border-color: rgba(108, 99, 255, 0.2);
    animation: orbitSpin 30s linear infinite;
}

.orbit-ring-2 {
    width: 320px;
    height: 320px;
    margin: -160px 0 0 -160px;
    border-color: rgba(0, 217, 255, 0.15);
    animation: orbitSpin 45s linear infinite reverse;
}

.orbit-ring-3 {
    width: 440px;
    height: 440px;
    margin: -220px 0 0 -220px;
    border-color: rgba(0, 255, 136, 0.1);
    animation: orbitSpin 60s linear infinite;
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit-item {
    position: absolute;
    width: 52px;
    height: 52px;
    margin: -26px 0 0 -26px;
    top: 50%;
    left: 50%;
    transform: rotate(var(--angle)) translateX(calc(100px)) rotate(calc(-1 * var(--angle)));
    background: var(--bg-primary);
    border: 1px solid var(--border-hover);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.orbit-ring-1 .orbit-item {
    transform: rotate(var(--angle)) translateX(100px) rotate(calc(-1 * var(--angle)));
    animation: counterSpin 30s linear infinite;
}

.orbit-ring-2 .orbit-item {
    transform: rotate(var(--angle)) translateX(160px) rotate(calc(-1 * var(--angle)));
    animation: counterSpin 45s linear infinite reverse;
}

.orbit-ring-3 .orbit-item {
    transform: rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle)));
    animation: counterSpin 60s linear infinite;
}

@keyframes counterSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

.orbit-item:hover {
    background: rgba(108, 99, 255, 0.2);
    border-color: var(--accent-primary);
    transform: scale(1.2);
    z-index: 10;
}

/* Tech Stats */
.tech-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-stat {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.tech-stat:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.tech-stat-number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.tech-stat-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.portfolio-card-lg {
    grid-column: span 2;
}

.portfolio-card-bg {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.portfolio-card:hover .portfolio-card-bg {
    opacity: 1;
}

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

.portfolio-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent-secondary);
    border-radius: 6px;
    margin-bottom: 16px;
}

.portfolio-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.portfolio-content p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.portfolio-metrics {
    display: flex;
    gap: 32px;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team-section {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px 24px;
    text-align: center;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.team-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-8px);
}

.team-avatar {
    position: relative;
    margin-bottom: 20px;
}

.avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    position: relative;
}

.avatar-placeholder::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: var(--gradient-primary) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-card:hover .avatar-placeholder::after {
    opacity: 1;
}

.team-social {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.team-card:hover .team-social {
    opacity: 1;
    bottom: -5px;
}

.team-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-primary);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.team-social a:hover {
    color: var(--accent-primary);
}

.team-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.85rem;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 12px;
}

.team-bio {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px;
    transition: all 0.4s var(--ease-out-expo);
}

.testimonial-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

.author-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.author-title {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(108, 99, 255, 0.15), transparent 70%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
    transform: translateY(-2px);
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 18px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

.form-group select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-tertiary);
    padding: 6px 0;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-description {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-visual {
        order: -1;
    }

    .about-content .section-label {
        text-align: center;
    }

    .about-content .section-title {
        text-align: center;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-orbit {
        width: 350px;
        height: 350px;
    }

    .orbit-ring-1 { width: 160px; height: 160px; margin: -80px 0 0 -80px; }
    .orbit-ring-2 { width: 250px; height: 250px; margin: -125px 0 0 -125px; }
    .orbit-ring-3 { width: 340px; height: 340px; margin: -170px 0 0 -170px; }

    .orbit-ring-1 .orbit-item { transform: rotate(var(--angle)) translateX(80px) rotate(calc(-1 * var(--angle))); }
    .orbit-ring-2 .orbit-item { transform: rotate(var(--angle)) translateX(125px) rotate(calc(-1 * var(--angle))); }
    .orbit-ring-3 .orbit-item { transform: rotate(var(--angle)) translateX(170px) rotate(calc(-1 * var(--angle))); }

    .tech-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .portfolio-card-lg {
        grid-column: span 2;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-track {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
        --nav-height: 70px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 16px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s var(--ease-out-expo);
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links .nav-link {
        font-size: 1.2rem;
        padding: 12px 24px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .btn-nav {
        display: none;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

    .tech-orbit {
        width: 280px;
        height: 280px;
    }

    .orbit-ring-3 {
        display: none;
    }

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

    .portfolio-card-lg {
        grid-column: span 1;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .portfolio-metrics {
        flex-wrap: wrap;
        gap: 16px;
    }
}

/* ---------- Loading Animation ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    animation: fadeIn 0.6s ease;
}