:root {
    --bg: #0d0f14;
    --bg-alt: #141821;
    --text: #e8eaf0;
    --muted: #9aa3b2;
    --accent: #6c5ce7;
    --accent-2: #00d1ff;
    --radius: 14px;
}

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

html { scroll-behavior: smooth; }

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 15, 20, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-weight: 900;
    font-size: 20px;
    color: var(--text);
}
.logo span { color: var(--accent-2); }

.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav__cta {
    padding: 8px 16px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff !important;
}
.nav__cta:hover { opacity: 0.9; }

/* Hero */
.hero {
    padding: 120px 0 80px;
    background:
        radial-gradient(600px 300px at 80% 0%, rgba(108, 92, 231, 0.25), transparent),
        radial-gradient(500px 300px at 10% 30%, rgba(0, 209, 255, 0.15), transparent);
}

.hero__inner { text-align: center; }

.hero h1 {
    font-size: clamp(34px, 6vw, 60px);
    font-weight: 900;
    line-height: 1.15;
}

.accent {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__lead {
    max-width: 640px;
    margin: 20px auto 32px;
    font-size: 19px;
    color: var(--muted);
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__stats {
    list-style: none;
    display: flex;
    gap: 48px;
    justify-content: center;
    margin-top: 64px;
    flex-wrap: wrap;
}
.hero__stats b { display: block; font-size: 24px; color: var(--accent-2); }
.hero__stats span { color: var(--muted); font-size: 14px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    border: none;
    transition: transform 0.15s, opacity 0.15s;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn--primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #fff; }
.btn--ghost { border: 1px solid rgba(255, 255, 255, 0.25); color: var(--text); }

/* Sections */
.section { padding: 96px 0; }
.section--dark { background: var(--bg-alt); }

.section__title {
    font-size: 34px;
    font-weight: 900;
    text-align: center;
}

.section__subtitle {
    text-align: center;
    color: var(--muted);
    margin: 12px auto 48px;
    max-width: 560px;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg-alt);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px;
    transition: transform 0.2s, border-color 0.2s;
}
.section--dark .card { background: var(--bg); }
.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}
.card h3 { margin-bottom: 10px; font-size: 19px; }
.card p { color: var(--muted); font-size: 15px; }

/* Tech */
.tech {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 860px;
    margin: 0 auto;
}
.tech__item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
}
.tech__badge {
    display: inline-block;
    padding: 8px 22px;
    border-radius: 999px;
    font-weight: 900;
    font-size: 20px;
    margin-bottom: 16px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;
}
.tech__item p { color: var(--muted); font-size: 15px; }

/* Steps */
.steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    counter-reset: step;
}
.steps li {
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px;
    background: var(--bg-alt);
}
.steps b {
    display: block;
    font-size: 28px;
    color: var(--accent-2);
    margin-bottom: 8px;
}
.steps h3 { margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 14px; }

/* Contact */
.contact { max-width: 640px; }
.contact__form {
    display: grid;
    gap: 14px;
}
.contact__form input,
.contact__form textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
}
.contact__form input:focus,
.contact__form textarea:focus {
    outline: none;
    border-color: var(--accent-2);
}
.contact__alt {
    text-align: center;
    margin-top: 20px;
    color: var(--muted);
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 28px 0;
    color: var(--muted);
    font-size: 14px;
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 720px) {
    .nav { gap: 14px; font-size: 14px; }
    .hero { padding: 80px 0 60px; }
    .hero__stats { gap: 28px; }
}