/* ================= ROOT COLORS ================= */
:root {
    --slate-950: #020617;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;

    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --blue-500: #3b82f6;

    --gradient-accent: linear-gradient(90deg, #06b6d4, #3b82f6);
}

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

body {
    font-family: 'IBM Plex Sans', sans-serif;
    background: var(--slate-950);
    color: var(--slate-200);
    line-height: 1.6;
}

/* ================= CONTAINER ================= */
.container {
    max-width: 1400px;
    margin: auto;
    padding: 0 2rem;
}

/* ================= NAVIGATION ================= */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(6,182,212,0.2);
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: 8px;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.4rem;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--cyan-400);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    text-decoration: none;
    color: var(--slate-300);
}

nav a:hover {
    color: var(--cyan-400);
}

.nav-cta {
    background: var(--gradient-accent);
    color: #000 !important;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
}

/* ================= HERO ================= */
.hero {
    padding: 8rem 2rem 5rem;
    min-height: 100vh;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    background: rgba(6,182,212,0.1);
    border: 1px solid rgba(6,182,212,0.4);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    color: var(--cyan-400);
    display: inline-block;
    margin-bottom: 1rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.3rem;
    color: var(--slate-400);
    margin-bottom: 1.5rem;
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #000;
}

.btn-outline {
    border: 1px solid var(--cyan-400);
    color: var(--cyan-400);
}

/* ================= HERO VISUAL ================= */
.hero-visual {
    display: flex;
    justify-content: center;
}

.drone-system {
    width: 350px;
    height: 350px;
    position: relative;
}

.radar-display {
    position: absolute;
    width: 100%;
    height: 100%;
}

.radar-circle {
    border: 1px solid rgba(6,182,212,0.2);
    border-radius: 50%;
    position: absolute;
    inset: 0;
    margin: auto;
}

.radar-circle:nth-child(2) { inset: 40px; }
.radar-circle:nth-child(3) { inset: 80px; }
.radar-circle:nth-child(4) { inset: 120px; }
.radar-circle:nth-child(5) { inset: 160px; }

.radar-sweep {
    width: 50%;
    height: 2px;
    background: var(--cyan-400);
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: left;
    animation: sweep 4s linear infinite;
}

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

/* Drone body */
.drone-3d {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 120px;
    height: 50px;
    background: var(--slate-700);
    border-radius: 30px;
}

/* ================= STATS ================= */
.stats-bar {
    background: var(--slate-900);
    padding: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--slate-400);
}

/* ================= PRODUCTS ================= */
section {
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-label {
    color: var(--cyan-400);
    margin-bottom: 1rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 2rem;
}

.product-card {
    background: var(--slate-800);
    border-radius: 8px;
    overflow: hidden;
    transition: 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    height: 200px;
    background: var(--slate-700);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-content {
    padding: 1.5rem;
}

/* ================= FOOTER ================= */
footer {
    background: var(--slate-900);
}