/* Design System & Variables */
:root {
    --color-bg: #000000;
    --color-surface: #0A0A0A;
    --color-surface-glass: rgba(255, 255, 255, 0.05);
    --color-primary: #FF47A3;
    /* Hot Pink */
    --color-primary-glow: rgba(255, 71, 163, 0.5);
    --color-text: #FFFFFF;
    --color-text-muted: #A0A0A0;
    --color-border: rgba(255, 255, 255, 0.1);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --container-width: 1200px;
    --header-height: 80px;
    --radius-md: 12px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
}

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

body::before {
    content: '';
    position: fixed;
    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: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

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

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
}

.text-gradient {
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-primary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.section {
    padding: 100px 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 0 20px var(--color-primary-glow);
    border: 1px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: #e03893;
    box-shadow: 0 0 30px var(--color-primary-glow);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.nav-link:hover {
    color: white;
}

.header-actions {
    display: flex;
    gap: 16px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.mesh-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle at center, var(--color-primary-glow) 0%, transparent 70%);
    opacity: 0.4;
    filter: blur(100px);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #FF47A3 0%, transparent 70%);
    top: 20%;
    left: 10%;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #474DFF 0%, transparent 70%);
    bottom: 10%;
    right: 15%;
    animation-delay: -4s;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 5rem;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 48px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 24px;
}

/* Hero Visuals (Floating Cards) */
.hero-visuals {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    pointer-events: none;
}

.glass-card {
    position: absolute;
    background: var(--color-surface-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    padding: 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    right: 0;
    width: 220px;
}

.card-2 {
    bottom: 20%;
    left: 0;
    width: 200px;
    animation-delay: -3s;
}

.icon-box {
    width: 48px;
    height: 48px;
    background: rgba(255, 71, 163, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
}

.card-text {
    display: flex;
    flex-direction: column;
}

.card-text .label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.card-text .value {
    font-weight: 600;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.section-header {
    margin-bottom: 64px;
}

.section-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px var(--color-border);
    opacity: 0.5;
    display: block;
    margin-bottom: -20px;
}

.section-title {
    font-size: 2.5rem;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, var(--color-primary), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255, 71, 163, 0.1);
}

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

.feature-icon {
    color: var(--color-primary);
    margin-bottom: 24px;
    font-size: 2.5rem;
    display: inline-block;
    padding: 16px;
    background: rgba(255, 71, 163, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(255, 71, 163, 0.2);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--color-text-muted);
}

/* Technology Section */
.split-layout {
    display: flex;
    align-items: center;
    gap: 64px;
}

.tech-content {
    flex: 1;
}

.tech-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.tech-subtitle {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.device-placeholder {
    width: 300px;
    height: 300px;
    position: relative;
}

.device-box {
    width: 200px;
    height: 200px;
    background: #111;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 50px rgba(255, 71, 163, 0.2);
}

.antenna {
    width: 10px;
    height: 60px;
    background: #222;
    position: absolute;
    top: -40px;
    border-radius: 5px;
}

.a1 {
    left: 40px;
}

.a2 {
    right: 40px;
}

.status-light {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    position: absolute;
    bottom: 20px;
    left: 50%;
    background: var(--color-surface);
}

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

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 8px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-visuals {
        display: none;
    }

    .split-layout {
        flex-direction: column;
    }

    .header-actions {
        display: none;
    }

    .nav {
        display: none;
    }

    .gradient-orb {
        display: none;
    }
}