/* ===== CSS Variables ===== */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-accent: #6448FF;
    --color-accent-light: rgba(100, 72, 255, 0.15);
    --color-accent-glow: rgba(100, 72, 255, 0.4);
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    --font-display: 'Unbounded', sans-serif;
    --font-body: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-5xl) 0;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
    transition: background var(--transition-base);
}

.nav.scrolled {
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    width: 250px;
    margin-bottom: 4rem;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.cta-link {
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-accent);
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.nav-link.cta-link::after {
    display: none;
}

.nav-link.cta-link:hover {
    background: #7b5fff;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: transform var(--transition-base);
}

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

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent);
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: #3b82f6;
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-accent-light);
    border: 1px solid rgba(100, 72, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease forwards;
}

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

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

.hero-title {
    font-size: clamp(4rem, 7vw, 8rem);
    font-weight: 900;
    line-height: 0.9;
    display: flex;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.title-line {
    display: block;
}

.title-accent {
    color: var(--color-accent);
    display: inline-block;
    margin-left: var(--space-lg);
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-description {
    max-width: 500px;
    font-size: 1.125rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #7b5fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--color-accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-gray-700);
}

.btn-secondary:hover {
    border-color: var(--color-white);
    background: rgba(255,255,255,0.05);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.device-mockup {
    position: relative;
    width: 200px;
    height: 280px;
}

.device-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.device-body {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--color-gray-900);
    border: 2px solid var(--color-gray-700);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-screen {
    width: 60%;
    height: 30%;
    background: var(--color-black);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-accent);
}

.status-indicator {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.device-antenna {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 40px;
    background: var(--color-gray-700);
    border-radius: 2px;
}

.device-antenna::after {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-gray-600);
    border-radius: 50%;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-500);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gray-500), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
}

/* ===== Product Section ===== */
.product-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900));
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    padding: var(--space-2xl);
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.product-card:hover {
    background: rgba(100, 72, 255, 0.05);
    border-color: var(--color-accent);
    transform: translateY(-8px);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-lg);
    color: var(--color-accent);
}

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

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.card-description {
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ===== Features Section ===== */
.features-section {
    background: var(--color-gray-900);
}

.features-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: center;
}

.features-content .section-label,
.features-content .section-title {
    text-align: left;
}

.features-content .section-title {
    margin-bottom: var(--space-2xl);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.feature-check {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.feature-check svg {
    width: 18px;
    height: 18px;
}

.feature-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.feature-text strong {
    font-size: 1.125rem;
    font-weight: 600;
}

.feature-text span {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
}

/* Features Visual */
.features-visual {
    position: relative;
}

.visual-container {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--color-black);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.map-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(100, 72, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100, 72, 255, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.connection-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.sensor-point {
    position: absolute;
    z-index: 10;
}

.sensor-dot {
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.sensor-pulse {
    position: absolute;
    inset: -8px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    animation: sensorPulse 2s ease-out infinite;
}

@keyframes sensorPulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.sensor-point::after {
    content: attr(data-label);
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-white);
    white-space: nowrap;
    background: var(--color-gray-900);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-700);
}

.legend {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    display: flex;
    gap: var(--space-lg);
    background: rgba(0,0,0,0.8);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
}

.legend-dot.active {
    box-shadow: 0 0 8px var(--color-accent);
}

.legend-line {
    width: 20px;
    height: 2px;
    background: var(--color-accent);
}

/* ===== Stats Section ===== */
.stats-section {
    background: var(--color-black);
    padding: var(--space-4xl) 0;
    border-top: 1px solid var(--color-gray-800);
    border-bottom: 1px solid var(--color-gray-800);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-white), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== About Section ===== */
.about-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900));
}

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

.about-content .section-title {
    margin-bottom: var(--space-2xl);
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.about-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.about-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-accent-light);
    border: 1px solid rgba(100, 72, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 0.9375rem;
    font-weight: 500;
}

.about-badge svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--color-gray-900);
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-4xl);
    align-items: center;
    padding: var(--space-4xl);
    background: linear-gradient(135deg, rgba(100, 72, 255, 0.1), rgba(100, 72, 255, 0.02));
    border: 1px solid rgba(100, 72, 255, 0.3);
    border-radius: var(--radius-xl);
}

.contact-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
}

.contact-text {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.contact-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-logo {
    opacity: 0.3;
}

.logo-icon.large {
    width: 150px;
    height: 150px;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-black);
    padding: var(--space-4xl) 0 var(--space-2xl);
    border-top: 1px solid var(--color-gray-800);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-800);
    margin-bottom: var(--space-xl);
}

.footer-tagline {
    margin-top: var(--space-md);
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .features-layout {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .features-content .section-label,
    .features-content .section-title {
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .about-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .contact-card {
        padding: var(--space-2xl);
    }
}

@media (min-width: 1200px) {
    .hero-visual {
        display: block;
    }
}

@media screen and (max-width: 768px) {
    .hero {
        padding-top: 40px;
    }

    .orb-1 {
        width: 300px;
        height: 300px;
    }

    .orb-2 {
        width: 300px;
        height: 300px;
    }
}