@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Color System */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --gray-950: #0A0A0A;
    
    /* Animation Timing */
    --transition-fast: 0.15s;
    --transition-base: 0.3s;
    --transition-slow: 0.6s;
    --easing-default: cubic-bezier(0.23, 1, 0.32, 1);
    --easing-bounce: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --header-height: 80px;
    --padding-mobile: 30px;
    --padding-desktop: 80px;
    --max-width: 1600px;
}

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

html {
    scroll-behavior: smooth;
    cursor: none;
}

body {
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    cursor: none;
    line-height: 1.6;
}

/* ===========================
   Accessibility
   =========================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--white);
    color: var(--black);
    padding: 8px;
    text-decoration: none;
    z-index: 100001;
}

.skip-link:focus {
    top: 0;
}

/* Focus styles for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===========================
   Custom Cursor
   =========================== */
.cursor {
    position: fixed;
    width: 10px;
    height: 10px;
    background: var(--white);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    will-change: transform;
}

.cursor-ring {
    position: fixed;
    width: 30px;
    height: 30px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: all var(--transition-fast) var(--easing-default);
    will-change: transform, width, height;
}

.cursor-ring.hover {
    width: 50px;
    height: 50px;
    border-width: 2px;
}

/* Hide custom cursor on touch devices */
@media (hover: none) {
    .cursor,
    .cursor-ring {
        display: none;
    }
    
    html,
    body {
        cursor: auto;
    }
}

/* ===========================
   Loader
   =========================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--black);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100000;
    transition: all 1s var(--easing-bounce);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.1);
}

.sphere-container {
    position: relative;
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    animation: rotateSphere 4s linear infinite;
}

@keyframes rotateSphere {
    0% { transform: rotateX(0) rotateY(0) rotateZ(0); }
    100% { transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

.sphere {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(ellipse at top left, 
        var(--white) 0%, 
        var(--gray-300) 30%, 
        var(--gray-600) 60%, 
        var(--black) 100%);
    box-shadow: 
        inset -20px -20px 40px rgba(0, 0, 0, 0.5),
        inset 20px 20px 40px rgba(255, 255, 255, 0.3),
        0 0 100px rgba(255, 255, 255, 0.2);
}

.sphere-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: rotateX(60deg);
}

.sphere-ring:nth-child(2) {
    transform: rotateX(120deg);
}

.sphere-ring:nth-child(3) {
    transform: rotateY(60deg);
}

.loader-text {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.counter {
    font-size: 72px;
    font-weight: 100;
    letter-spacing: -2px;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.counter::after {
    content: '%';
    font-size: 36px;
    margin-left: 5px;
}

.loader-brand {
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--gray-500);
    text-transform: uppercase;
    margin-top: 20px;
}

/* ===========================
   Canvas Background
   =========================== */
#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.6;
    transition: opacity var(--transition-base) ease;
}

/* ===========================
   Header Navigation
   =========================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 30px var(--padding-desktop);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0.8) 0%, 
        rgba(0, 0, 0, 0) 100%);
    transition: all var(--transition-base) ease;
}

header.scrolled {
    padding: 20px var(--padding-desktop);
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: none;
    position: relative;
}

.logo-mark {
    width: 45px;
    height: 45px;
    position: relative;
    transform-style: preserve-3d;
    animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0) rotateY(0); }
    50% { transform: translateY(-5px) rotateY(180deg); }
}

.logo-triangle {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-400) 100%);
    clip-path: polygon(50% 100%, 0 0, 100% 0);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}

.logo-v {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 300;
    color: var(--black);
    mix-blend-mode: difference;
}

.logo-text {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

nav {
    display: flex;
    gap: 40px;
    align-items: center;
}

nav a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.05em;
    transition: all var(--transition-base) ease;
    position: relative;
    padding: 5px 0;
    cursor: none;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--white);
    transition: width var(--transition-base) ease;
}

nav a:hover,
nav a:focus-visible {
    color: var(--white);
}

nav a:hover::after,
nav a:focus-visible::after {
    width: 100%;
}

/* ===========================
   Buttons
   =========================== */
.cta-button {
    padding: 12px 30px;
    background: var(--white);
    color: var(--black);
    border: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.05em;
    cursor: none;
    transition: all var(--transition-base) ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--gray-200);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.cta-button:hover,
.cta-button:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    padding: 18px 50px;
    background: var(--white);
    color: var(--black);
    border: none;
    border-radius: 60px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: none;
    transition: transform var(--transition-base) ease, box-shadow var(--transition-base) ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    padding: 18px 50px;
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 60px;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.05em;
    cursor: none;
    transition: all var(--transition-base) ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-3px);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 100px var(--padding-desktop);
    background: radial-gradient(ellipse at center, 
        rgba(255, 255, 255, 0.03) 0%, 
        transparent 50%);
}

.hero-3d-element {
    position: absolute;
    width: 800px;
    height: 800px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.main-sphere {
    position: absolute;
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at 30% 30%, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.05) 40%, 
        transparent 70%);
    border-radius: 50%;
    box-shadow: 
        inset -40px -40px 80px rgba(0, 0, 0, 0.3),
        inset 40px 40px 80px rgba(255, 255, 255, 0.1),
        0 0 200px rgba(255, 255, 255, 0.05);
    animation: floatSphere 10s ease-in-out infinite;
}

@keyframes floatSphere {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -55%) scale(1.05); }
}

.orbit-ring {
    position: absolute;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.orbit-ring:nth-child(1) {
    width: 500px;
    height: 500px;
    top: 150px;
    left: 150px;
}

.orbit-ring:nth-child(2) {
    width: 600px;
    height: 600px;
    top: 100px;
    left: 100px;
    animation-duration: 40s;
    animation-direction: reverse;
}

.orbit-ring:nth-child(3) {
    width: 700px;
    height: 700px;
    top: 50px;
    left: 50px;
    animation-duration: 50s;
}

.orbit-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1000px;
}

.hero-title {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 100;
    letter-spacing: -0.02em;
    line-height: 0.9;
    margin-bottom: 30px;
    position: relative;
}

.title-word {
    display: inline-block;
    position: relative;
    animation: titleReveal 1s ease-out forwards;
    animation-delay: var(--delay);
    opacity: 0;
    transform: translateY(50px);
}

@keyframes titleReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 200;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.5s forwards;
    opacity: 0;
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-500);
    max-width: 700px;
    margin: 0 auto 50px;
    animation: fadeInUp 1s ease-out 0.7s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.9s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Products Section
   =========================== */
.products {
    padding: 200px var(--padding-desktop);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 100%;
    background: radial-gradient(ellipse at center, 
        rgba(255, 255, 255, 0.02) 0%, 
        transparent 50%);
    pointer-events: none;
}

.section-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 100;
    text-align: center;
    margin-bottom: 120px;
    position: relative;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--white) 50%, 
        transparent 100%);
}

.products-showcase {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 100px;
}

.product-frame {
    position: relative;
    will-change: transform;
    transition: transform 0.4s var(--easing-default);
}

.product-frame:hover {
    transform: translateY(-10px) scale(1.02);
}

.product-glass {
    position: relative;
    padding: 100px 80px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.02) 0%, 
        rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    overflow: hidden;
    transition: border-color var(--transition-base) ease, background var(--transition-base) ease;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

.product-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.5) 50%, 
        transparent 100%);
    animation: shimmer 4s infinite;
}

.product-glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50px;
    box-shadow: 0 30px 60px rgba(255, 255, 255, 0);
    transition: box-shadow 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.product-frame:hover .product-glass {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.04) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(255, 255, 255, 0.2);
}

.product-frame:hover .product-glass::after {
    box-shadow: 0 30px 60px rgba(255, 255, 255, 0.08);
}

.product-number {
    position: absolute;
    top: 60px;
    left: 80px;
    font-size: 120px;
    font-weight: 100;
    color: rgba(255, 255, 255, 0.02);
    letter-spacing: -0.05em;
    z-index: 0;
    user-select: none;
    pointer-events: none;
}

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

.product-name {
    font-size: 56px;
    font-weight: 100;
    letter-spacing: -0.02em;
    margin-bottom: 30px;
    background: linear-gradient(180deg, 
        var(--white) 0%, 
        var(--gray-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-400);
    margin-bottom: 60px;
    max-width: 500px;
}

.product-stats {
    display: flex;
    gap: 60px;
}

.stat-item {
    position: relative;
}

.stat-number {
    font-size: 48px;
    font-weight: 100;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.product-orbit {
    position: absolute;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    opacity: 0.05;
    pointer-events: none;
}

.product-orbit-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid var(--white);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
    animation-play-state: running;
    will-change: transform;
}

.product-orbit-ring:nth-child(2) {
    transform: scale(0.8);
    animation-duration: 35s;
    animation-direction: reverse;
}

.product-orbit-ring:nth-child(3) {
    transform: scale(0.6);
    animation-duration: 40s;
}

.product-frame:hover .product-orbit-ring {
    animation-play-state: paused;
}

/* ===========================
   Technology Section
   =========================== */
.technology {
    padding: 200px var(--padding-desktop);
    position: relative;
}

.tech-showcase {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    height: 600px;
}

.tech-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    animation: rotateCarousel 20s linear infinite;
}

@keyframes rotateCarousel {
    0% { transform: rotateY(0); }
    100% { transform: rotateY(360deg); }
}

.tech-item {
    position: absolute;
    width: 350px;
    height: 450px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotateY(var(--rotate)) translateZ(400px);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    transition: all var(--transition-base) ease;
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tech-visualization {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        transparent 100%);
    border-radius: 10px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.neural-web {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 11px
    ),
    repeating-linear-gradient(
        90deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 11px
    );
}

.tech-item h3 {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.tech-item p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-400);
}

/* ===========================
   Metrics Section
   =========================== */
.metrics {
    padding: 200px var(--padding-desktop);
    background: radial-gradient(ellipse at bottom, 
        rgba(255, 255, 255, 0.03) 0%, 
        transparent 70%);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.metric-card {
    text-align: center;
    position: relative;
}

.metric-visual {
    width: 150px;
    height: 150px;
    margin: 0 auto 30px;
    position: relative;
}

.metric-circle {
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    position: relative;
}

.metric-fill {
    position: absolute;
    top: -2px;
    left: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    border: 2px solid var(--white);
    border-radius: 50%;
    border-top-color: transparent;
    border-right-color: transparent;
    transform: rotate(45deg);
    animation: fillRotate 2s ease-out forwards;
}

@keyframes fillRotate {
    from { transform: rotate(45deg); }
    to { transform: rotate(calc(45deg + var(--fill))); }
}

.metric-value {
    font-size: 48px;
    font-weight: 100;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 14px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.metric-growth {
    display: inline-block;
    margin-top: 10px;
    padding: 5px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 12px;
    color: var(--white);
}

/* ===========================
   Footer
   =========================== */
footer {
    padding: 100px var(--padding-desktop) 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(180deg, 
        transparent 0%, 
        rgba(0, 0, 0, 0.5) 100%);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--gray-500);
    line-height: 1.8;
    max-width: 300px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
    color: var(--gray-300);
}

.footer-column a {
    display: block;
    color: var(--gray-500);
    text-decoration: none;
    margin-bottom: 15px;
    transition: all var(--transition-base) ease;
    position: relative;
    padding-left: 0;
    cursor: none;
}

.footer-column a:hover,
.footer-column a:focus-visible {
    color: var(--white);
    padding-left: 10px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray-600);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-base) ease;
    cursor: none;
}

.social-link:hover,
.social-link:focus-visible {
    background: var(--white);
    color: var(--black);
    transform: translateY(-3px);
}

/* ===========================
   Animations
   =========================== */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   Responsive Design - Mobile First Approach
   =========================== */

/* Ultra Small Devices (280px - 359px) - Galaxy Fold, etc */
@media (max-width: 359px) {
    :root {
        --padding-mobile: 15px;
        --padding-desktop: 15px;
    }

    body {
        font-size: 14px;
    }

    header {
        padding: 15px var(--padding-mobile);
    }

    .logo-mark {
        width: 35px;
        height: 35px;
    }

    .logo-text {
        font-size: 14px;
        letter-spacing: 0;
    }

    .cta-button {
        padding: 8px 20px;
        font-size: 12px;
    }

    nav {
        display: none;
    }

    .hero {
        padding: 80px var(--padding-mobile);
        min-height: 100vh;
    }

    .hero-3d-element {
        width: 250px;
        height: 250px;
        opacity: 0.3;
    }

    .main-sphere {
        width: 150px;
        height: 150px;
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
        margin-bottom: 20px;
        word-break: break-word;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.5rem);
        margin-bottom: 15px;
    }

    .hero-description {
        font-size: 14px;
        line-height: 1.6;
        padding: 0 10px;
        margin-bottom: 30px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 14px 30px;
        font-size: 14px;
    }

    .section-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 60px;
        word-break: break-word;
    }

    .products,
    .technology,
    .metrics {
        padding: 60px var(--padding-mobile);
    }

    .product-glass {
        padding: 40px 20px;
        border-radius: 25px;
    }

    .product-number {
        font-size: 60px;
        top: 30px;
        left: 20px;
    }

    .product-name {
        font-size: clamp(1.5rem, 7vw, 2rem);
        margin-bottom: 20px;
        word-break: break-word;
    }

    .product-description {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 30px;
    }

    .product-stats {
        gap: 30px;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 10px;
    }

    .tech-showcase {
        height: 400px;
    }

    .tech-carousel {
        animation: none;
    }

    .tech-item {
        width: 280px;
        height: 350px;
        padding: 30px 20px;
        position: static;
        transform: none;
        margin: 0 auto;
    }

    .tech-item h3 {
        font-size: 20px;
    }

    .tech-item p {
        font-size: 13px;
    }

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

    .metric-visual {
        width: 120px;
        height: 120px;
    }

    .metric-value {
        font-size: 36px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* Small Mobile Devices (360px - 479px) */
@media (min-width: 360px) and (max-width: 479px) {
    :root {
        --padding-mobile: 20px;
        --padding-desktop: 20px;
    }

    header {
        padding: 18px var(--padding-mobile);
    }

    .hero {
        padding: 90px var(--padding-mobile);
    }

    .hero-title {
        font-size: clamp(2.5rem, 11vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: clamp(1.2rem, 5vw, 1.8rem);
    }

    .section-title {
        font-size: clamp(2rem, 9vw, 3rem);
        margin-bottom: 80px;
    }

    .product-glass {
        padding: 50px 30px;
    }

    .product-name {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .product-description {
        font-size: 15px;
    }

    .stat-number {
        font-size: 36px;
    }

    .tech-item {
        width: 320px;
        height: 380px;
        padding: 35px 25px;
    }
}

/* Medium Mobile Devices (480px - 639px) */
@media (min-width: 480px) and (max-width: 639px) {
    :root {
        --padding-mobile: 25px;
        --padding-desktop: 25px;
    }

    .hero-title {
        font-size: clamp(3rem, 12vw, 4rem);
    }

    .section-title {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
    }

    .product-glass {
        padding: 60px 40px;
    }

    .product-name {
        font-size: clamp(2rem, 9vw, 3rem);
    }

    .product-stats {
        gap: 40px;
    }

    .stat-number {
        font-size: 40px;
    }
}

/* Large Mobile / Small Tablet (640px - 768px) */
@media (min-width: 640px) and (max-width: 768px) {
    :root {
        --padding-mobile: 30px;
        --padding-desktop: 30px;
    }

    nav {
        display: none;
    }

    .hero-title {
        font-size: clamp(3.5rem, 13vw, 5rem);
    }

    .products-showcase {
        gap: 80px;
    }

    .product-glass {
        padding: 70px 50px;
    }

    .product-name {
        font-size: 42px;
    }

    .stat-number {
        font-size: 44px;
    }

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

/* Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --padding-desktop: 40px;
    }

    .hero-title {
        font-size: clamp(4rem, 10vw, 6rem);
    }

    .products-showcase {
        grid-template-columns: 1fr;
        gap: 80px;
    }

    .product-orbit {
        display: none;
    }

    .tech-carousel {
        animation-duration: 30s;
    }

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

/* Desktop (1025px - 1200px) */
@media (min-width: 1025px) and (max-width: 1200px) {
    :root {
        --padding-desktop: 60px;
    }

    .products-showcase {
        grid-template-columns: 1fr;
        gap: 80px;
    }

    .product-orbit {
        display: none;
    }
}

/* Large Desktop (1201px+) - Already defined in main styles */

/* Landscape Orientation Adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 60px var(--padding-mobile);
    }

    .hero-3d-element {
        display: none;
    }

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

/* ===========================
   Scrollbar Styling
   =========================== */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gray-800);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .loader,
    .cursor,
    .cursor-ring,
    #particles-bg,
    .hero-3d-element,
    .product-orbit {
        display: none;
    }
    
    header {
        position: static;
        background: none;
    }
    
    .hero-title,
    .product-name {
        -webkit-text-fill-color: black;
    }
}