:root {
    --bg: #100C1A;
    --bg-soft: #191327;
    --panel: #1f1830;
    --border: #2e2542;
    --text: #f2eefc;
    --muted: #a79fc0;
    --neon: #39FF14;
    --purple: #7B2CBF;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(16, 12, 26, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1.25rem; }
.brand img { display: block; }
.main-nav { display: flex; gap: 1.5rem; }
.main-nav a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 600; }
.main-nav a:hover { color: var(--neon); }
.header-actions { display: flex; align-items: center; gap: .75rem; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); font-size: 1.1rem; padding: .35rem .6rem; border-radius: 8px; cursor: pointer; }

/* Buttons */
.btn {
    display: inline-block; padding: .7rem 1.4rem; border-radius: 10px;
    font-weight: 700; font-size: .95rem; text-decoration: none; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--neon); color: #062206; box-shadow: 0 4px 24px rgba(57, 255, 20, .35); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--neon); color: var(--neon); }
.btn-lg { padding: 1rem 2.2rem; font-size: 1.05rem; }

/* Hero */
.hero { padding: 4.5rem 0 4rem; background: radial-gradient(ellipse at 70% 10%, rgba(123, 44, 191, .25), transparent 55%); }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.tag {
    display: inline-block; font-size: .78rem; font-weight: 600; color: var(--neon);
    border: 1px solid rgba(57, 255, 20, .4); border-radius: 999px; padding: .3rem .85rem; margin-bottom: 1.1rem;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.1rem; }
.neon { color: var(--neon); }
.hero p { color: var(--muted); font-size: 1.08rem; max-width: 34rem; }
.hero-cta { display: flex; gap: .85rem; margin-top: 1.75rem; flex-wrap: wrap; }
.hero-note { font-size: .82rem; margin-top: 1rem; color: var(--muted); }

/* Phone mock */
.hero-visual { display: flex; justify-content: center; }
.phone {
    width: 290px; padding: 14px; border-radius: 36px;
    background: linear-gradient(160deg, #241b3a, #14101f);
    border: 1px solid var(--border); box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
}
.phone-screen { background: var(--bg); border-radius: 24px; padding: 1.1rem .9rem; display: flex; flex-direction: column; gap: .55rem; }
.mock-title { font-weight: 800; font-size: .95rem; margin-bottom: .2rem; }
.mock-slot {
    display: flex; gap: .6rem; align-items: center; font-size: .82rem;
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: .55rem .7rem;
}
.mock-slot span { color: var(--neon); font-weight: 700; }
.mock-slot em { margin-left: auto; font-style: normal; color: #FFD700; font-size: .7rem; }
.mock-slot.done { opacity: .75; }
.mock-alert {
    font-size: .74rem; color: #FFB44C; background: rgba(255, 180, 76, .1);
    border: 1px solid rgba(255, 180, 76, .35); border-radius: 10px; padding: .5rem .7rem;
}
.mock-msg {
    font-size: .74rem; color: var(--neon); background: rgba(57, 255, 20, .08);
    border: 1px solid rgba(57, 255, 20, .3); border-radius: 10px; padding: .5rem .7rem;
}

/* Sections */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; margin-bottom: .5rem; }
.section-sub { color: var(--muted); margin-bottom: 2.25rem; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.card {
    background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem;
    transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--purple); transform: translateY(-3px); }
.card-icon { font-size: 1.6rem; margin-bottom: .75rem; }
.card h3 { font-size: 1.02rem; margin-bottom: .45rem; }
.card p { color: var(--muted); font-size: .88rem; }

/* Split lists */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.checklist { list-style: none; margin-top: 1.25rem; display: flex; flex-direction: column; gap: .8rem; }
.checklist li { padding-left: 1.9rem; position: relative; color: var(--muted); font-size: .95rem; }
.checklist li::before {
    content: '✓'; position: absolute; left: 0; top: 0;
    color: var(--neon); font-weight: 800;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 1.6rem 1.5rem; }
.step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 2.2rem; height: 2.2rem; border-radius: 999px; margin-bottom: .9rem;
    background: var(--purple); color: #fff; font-weight: 800;
}
.step h3 { font-size: 1rem; margin-bottom: .4rem; }
.step p { color: var(--muted); font-size: .88rem; }

/* CTA final */
.cta-final { background: radial-gradient(ellipse at 50% 100%, rgba(57, 255, 20, .12), transparent 60%); }
.center { text-align: center; }
.cta-final .btn { margin-top: 1.25rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer p { color: var(--muted); font-size: .82rem; }

/* Mobile */
@media (max-width: 820px) {
    .hero-inner, .split { grid-template-columns: 1fr; }
    .grid, .steps { grid-template-columns: 1fr 1fr; }
    .hero { padding-top: 3rem; }
    .hero-visual { order: -1; }
    .phone { width: 250px; }

    .main-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; gap: 0; background: var(--bg-soft); border-bottom: 1px solid var(--border);
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: .9rem 1.5rem; border-top: 1px solid var(--border); }
    .nav-toggle { display: block; }
}

@media (max-width: 520px) {
    .grid, .steps { grid-template-columns: 1fr; }
    .btn { width: 100%; text-align: center; }
    .hero-cta { flex-direction: column; }
    .header-actions .btn { width: auto; }
}