:root {
    --bg: #0a0c10;
    --bg-elevated: #11131a;
    --bg-card: #151821;
    --border: #1e2130;
    --border-light: #2a2e42;
    --text: #e8ecf5;
    --text-dim: #939ab5;
    --text-muted: #5a6078;
    --green: #2ce456;
    --green-dim: #1a8a33;
    --green-glow: rgba(44, 228, 86, 0.12);
    --accent: #6b8cff;
    --accent-dim: #3a4f8a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background grid + gradient */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(44, 228, 86, 0.06), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(107, 140, 255, 0.04), transparent),
        linear-gradient(to bottom, transparent, var(--bg)),
        repeating-linear-gradient(0deg, var(--border) 0px, var(--border) 1px, transparent 1px, transparent 80px),
        repeating-linear-gradient(90deg, var(--border) 0px, var(--border) 1px, transparent 1px, transparent 80px);
    background-size: 100% 100%, 100% 100%, 100% 100%, 80px 80px, 80px 80px;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header */
header {
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 12, 16, 0.75);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo img {
    height: 36px;
    width: auto;
    filter: drop-shadow(0 0 16px rgba(44, 228, 86, 0.25));
}

.logo span {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-dim);
    letter-spacing: -0.01em;
}

.nav-contact a {
    color: var(--green);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 20px;
    border: 1px solid rgba(44, 228, 86, 0.25);
    border-radius: 8px;
    transition: all 0.25s ease;
    display: inline-block;
}

.nav-contact a:hover {
    background: rgba(44, 228, 86, 0.08);
    border-color: rgba(44, 228, 86, 0.5);
    box-shadow: 0 0 20px rgba(44, 228, 86, 0.1);
}

/* Hero */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--green-glow);
    border: 1px solid rgba(44, 228, 86, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--green);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text);
}

.hero h1 span {
    color: var(--green);
    text-shadow: 0 0 40px rgba(44, 228, 86, 0.2);
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-dim);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--green), var(--green-dim));
    color: #051208;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 24px rgba(44, 228, 86, 0.25);
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(44, 228, 86, 0.35);
}

.cta svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.cta:hover svg {
    transform: translateX(3px);
}

/* Decorative line */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
    margin: 0 auto;
    max-width: 600px;
}

/* Features */
.features {
    padding: 80px 0;
}

.section-label {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--green);
    margin-bottom: 12px;
}

.section-title {
    text-align: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 56px;
    color: var(--text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.feature-card:hover {
    border-color: var(--border-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-glow);
    border: 1px solid rgba(44, 228, 86, 0.15);
    border-radius: 10px;
    margin-bottom: 20px;
    color: var(--green);
}

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

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.65;
}

/* Use cases */
.usecases {
    padding: 60px 0 100px;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 48px;
}

.usecase-item {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.usecase-item:hover {
    border-color: var(--accent-dim);
}

.usecase-item .tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(107, 140, 255, 0.08);
    border: 1px solid rgba(107, 140, 255, 0.15);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
}

.usecase-item p {
    font-size: 0.88rem;
    color: var(--text-dim);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
    text-align: center;
}

footer .logo-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

footer .logo-footer img {
    height: 28px;
    opacity: 0.8;
}

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

footer a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--green);
}

/* Responsive */
@media (max-width: 640px) {
    .hero {
        padding: 60px 0 50px;
    }

    .features {
        padding: 50px 0;
    }

    .usecases {
        padding: 40px 0 60px;
    }

    header .container {
        flex-direction: column;
        gap: 16px;
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}