:root {
    --bg: #030810;
    --panel: rgba(6, 16, 32, .72);
    --panel-strong: rgba(8, 22, 42, .92);
    --text: #e8f4ff;
    --muted: #7a9bb5;
    --green: #00d4ff;
    --green-2: #7de8ff;
    --dark: #031018;
    --line: rgba(0, 212, 255, .16);
    --shadow: 0 24px 80px rgba(0, 0, 0, .42);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 18% 12%, rgba(0, 212, 255, .14), transparent 30rem),
        radial-gradient(circle at 82% 88%, rgba(34, 111, 255, .12), transparent 28rem),
        linear-gradient(160deg, #030810 0%, #071428 48%, #040a14 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(0, 180, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 180, 255, .05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at center, #000 42%, transparent 92%);
    opacity: .55;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-shell,
.page {
    position: relative;
    z-index: 1;
    width: min(1280px, calc(100% - 56px));
    margin: 0 auto;
    padding: 28px 0 48px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 78px;
    position: sticky;
    top: 0;
    z-index: 10;
    width: calc(100vw - 32px);
    margin-left: calc(50% - 50vw + 16px);
    padding: 16px 8px;
    backdrop-filter: blur(14px);
    background: rgba(4, 12, 24, .55);
    border-bottom: 1px solid rgba(0, 212, 255, .08);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: -.04em;
    font-size: 22px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    color: var(--dark);
    background: linear-gradient(135deg, #7de8ff, #0099cc);
    box-shadow: 0 10px 28px rgba(0, 212, 255, .35);
    font-weight: 900;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-menu a:hover {
    color: var(--text);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    font-weight: 700;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: rgba(125, 211, 255, .56);
    background: rgba(255, 255, 255, .1);
}

.btn-primary {
    color: var(--dark);
    border-color: transparent;
    background: linear-gradient(135deg, #7de8ff 0%, #00b4d8 55%, #0099cc 100%);
    box-shadow: 0 16px 34px rgba(0, 212, 255, .28);
}

.btn-ghost {
    background: rgba(255, 255, 255, .06);
}

.btn-lg {
    min-height: 56px;
    padding: 0 28px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
    gap: 72px;
    align-items: center;
    padding: 34px 0 82px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(125, 211, 255, .22);
    border-radius: 999px;
    background: rgba(0, 212, 255, .08);
    color: #b8ecff;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 18px var(--green);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 18px var(--green);
}

h1 {
    margin: 0;
    max-width: 860px;
    font-size: clamp(58px, 6.4vw, 96px);
    line-height: .96;
    letter-spacing: -.07em;
}

.lead {
    max-width: 700px;
    margin: 26px 0 34px;
    color: var(--muted);
    font-size: 20px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 34px;
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 640px;
}

.metric {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, .05);
}

.metric strong {
    display: block;
    font-size: 26px;
    margin-bottom: 5px;
}

.metric span {
    color: var(--muted);
    font-size: 13px;
}

.demo-panel,
.console {
    border: 1px solid rgba(0, 212, 255, .16);
    border-radius: 30px;
    background: linear-gradient(180deg, var(--panel-strong), var(--panel));
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-header,
.console-top {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 20px 22px;
    border-bottom: 1px solid var(--line);
}

.panel-title {
    margin-left: 10px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.window-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #ff6b6b;
}

.window-dot:nth-child(2) {
    background: #ffd166;
}

.window-dot:nth-child(3) {
    background: #00d4ff;
}

.conversation,
.console-body {
    padding: 26px;
}

.conversation {
    display: grid;
    gap: 14px;
}

.bubble {
    padding: 18px;
    border: 1px solid rgba(0, 212, 255, .16);
    border-radius: 18px;
    background: rgba(4, 14, 28, .48);
    color: #d8ebff;
    font-size: 15px;
    line-height: 1.7;
}

.bubble span {
    display: block;
    color: var(--green-2);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .06em;
    margin-bottom: 6px;
}

.bubble.user {
    background: rgba(255, 255, 255, .055);
}

.digits {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.digits b {
    display: grid;
    place-items: center;
    min-height: 48px;
    border-radius: 13px;
    background: rgba(125, 211, 255, .12);
    color: #d8ebff;
    border: 1px solid rgba(125, 211, 255, .2);
}

.call-card {
    padding: 18px;
    border: 1px solid rgba(0, 212, 255, .16);
    border-radius: 22px;
    background: rgba(4, 14, 28, .5);
    margin-bottom: 14px;
}

.call-card:last-child {
    margin-bottom: 0;
}

.call-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
}

.call-row:last-child {
    margin-bottom: 0;
}

.label {
    color: var(--muted);
    font-size: 13px;
}

.value {
    font-weight: 800;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(0, 212, 255, .12);
    color: #b8ecff;
    font-size: 12px;
    font-weight: 800;
}

.section {
    padding: 72px 0;
}

.section-heading {
    max-width: 720px;
    margin: 0 auto 30px;
    text-align: center;
}

.section-kicker {
    color: var(--green-2);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.section h2,
.cta h2,
.section-heading h2 {
    margin: 10px 0 12px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1;
    letter-spacing: -.055em;
}

.section-heading p,
.cta p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.steps-grid,
.features-grid,
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-simple {
    max-width: 520px;
    margin: 0 auto;
    grid-template-columns: 1fr;
}

.step-card,
.feature-card,
.price-card,
.feature {
    padding: 22px;
    border: 1px solid rgba(0, 212, 255, .22);
    border-radius: 24px;
    background: rgba(6, 16, 32, .72);
    box-shadow: 0 0 24px rgba(0, 180, 255, .06);
}

.step-card h3,
.feature-card h3,
.price-card h3,
.feature h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.step-card p,
.feature-card p,
.price-card p,
.feature p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
    font-size: 14px;
}

.step-number {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    color: var(--dark);
    background: linear-gradient(135deg, var(--green-2), #0099cc);
    font-weight: 900;
    margin-bottom: 18px;
}

.price-card {
    position: relative;
}

.price-card.featured {
    border-color: rgba(125, 211, 255, .42);
    background: linear-gradient(180deg, rgba(0, 212, 255, .12), rgba(255, 255, 255, .05));
}

.badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 6px 10px;
    border-radius: 999px;
    color: var(--dark);
    background: var(--green-2);
    font-size: 12px;
    font-weight: 900;
}

.price {
    margin: 10px 0;
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -.06em;
}

.price-card ul {
    padding: 0;
    margin: 22px 0;
    list-style: none;
    color: #d8ebff;
}

.price-card li {
    margin-bottom: 10px;
}

.price-card li::before {
    content: ">";
    color: var(--green-2);
    font-weight: 900;
    margin-right: 8px;
}

.faq-section {
    max-width: 860px;
    margin: 0 auto;
}

.rules-section {
    max-width: 980px;
    margin: 0 auto;
}

.rules-table-wrap {
    overflow-x: auto;
    margin-bottom: 28px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, .045);
}

.rules-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.rules-table th,
.rules-table td {
    padding: 16px 18px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.rules-table th {
    color: var(--green-2);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.rules-table tbody tr:last-child td {
    border-bottom: none;
}

.rules-table td {
    color: var(--muted);
    line-height: 1.6;
}

.rules-table td strong {
    color: var(--text);
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.rule-card {
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255, 255, 255, .045);
    padding: 22px 24px;
}

.rule-card--highlight {
    border-color: rgba(0, 212, 255, .34);
    background: linear-gradient(135deg, rgba(0, 212, 255, .1), rgba(255, 255, 255, .04));
}

.rule-card h3 {
    margin: 0 0 12px;
    font-size: 18px;
}

.rule-card p {
    margin: 0 0 12px;
    color: var(--muted);
    line-height: 1.7;
}

.rule-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.7;
}

.rule-card li + li {
    margin-top: 8px;
}

@media (max-width: 820px) {
    .rules-grid {
        grid-template-columns: 1fr;
    }
}

.faq-list {
    display: grid;
    gap: 12px;
}

details {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, .045);
    padding: 18px 20px;
}

summary {
    cursor: pointer;
    font-weight: 900;
}

details p {
    margin: 12px 0 0;
    color: var(--muted);
    line-height: 1.7;
}

.cta {
    margin: 72px 0 20px;
    padding: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border: 1px solid rgba(125, 211, 255, .24);
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(0, 212, 255, .16), rgba(255, 255, 255, .045));
}

.footer {
    margin-top: 56px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
    font-size: 14px;
}

.footer div {
    display: flex;
    gap: 16px;
}

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

@media (max-width: 860px) {
    .site-shell,
    .page {
        width: min(100% - 32px, 1120px);
    }

    .nav {
        width: auto;
        margin-left: 0;
        margin-bottom: 48px;
        position: static;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 44px;
        padding: 20px 0 56px;
    }

    h1 {
        font-size: clamp(44px, 12vw, 72px);
    }

    .lead {
        font-size: 18px;
    }

    .nav-menu {
        display: none;
    }

    .features-grid,
    .pricing-grid,
    .steps-grid,
    .rules-grid,
    .metric-row {
        grid-template-columns: 1fr;
    }

    .cta {
        align-items: flex-start;
        flex-direction: column;
    }

}

@media (max-width: 1040px) {
    .nav-menu {
        display: none;
    }

    .hero {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 520px) {
    .site-shell,
    .page {
        width: min(100% - 24px, 1120px);
    }

    .nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-actions,
    .hero-actions {
        width: 100%;
    }

    .btn {
        flex: 1;
    }

    .brand {
        font-size: 20px;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
    }

    .demo-panel,
    .console {
        border-radius: 22px;
    }
}