:root {
    --bg: #060914;
    --bg-soft: #0c1224;
    --panel: rgba(16, 24, 45, 0.78);
    --panel-strong: #10182d;
    --line: rgba(151, 180, 255, 0.22);
    --text: #f4f7ff;
    --muted: #aab6d7;
    --blue: #70a6ff;
    --cyan: #67f0ff;
    --lime: #b8ff7a;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(900px 520px at 50% -180px, rgba(112, 166, 255, 0.22), transparent 70%),
        linear-gradient(145deg, #050814 0%, #08111f 44%, #050711 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: inherit;
}

.container {
    width: min(1160px, calc(100% - 32px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(5, 8, 18, 0.84);
    backdrop-filter: blur(18px);
}

.nav {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand__mark {
    width: 38px;
    height: 38px;
    display: block;
}

.nav__links {
    display: flex;
    gap: 24px;
    color: var(--muted);
    font-size: 14px;
}

.nav__links a,
.site-footer a {
    text-decoration: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: #06101d;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn--primary,
.btn--small {
    background: linear-gradient(135deg, #f7fbff 0%, #87b8ff 48%, #64f2ff 100%);
    box-shadow: 0 16px 42px rgba(103, 240, 255, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.28) inset;
}

.btn--small {
    min-height: 40px;
    padding-inline: 18px;
    font-size: 14px;
}

.btn--ghost {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.hero {
    padding: clamp(70px, 8vw, 120px) 0 clamp(44px, 6vw, 80px);
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.7fr);
    align-items: center;
    gap: clamp(34px, 6vw, 84px);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 26px;
    padding: 9px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #dce7ff;
    background: rgba(255, 255, 255, 0.055);
    box-shadow: 0 0 42px rgba(112, 166, 255, 0.12);
}

.chip__pulse {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 0 8px rgba(184, 255, 122, 0.12);
}

.chip__num {
    color: var(--cyan);
    font-variant-numeric: tabular-nums;
}

.hero h1,
.section-head h2,
.cta h2 {
    margin: 0;
    font-size: clamp(42px, 7vw, 88px);
    line-height: 1.02;
    letter-spacing: -0.025em;
    text-wrap: balance;
}

.hero h1 span,
.section-head h2 span {
    background: linear-gradient(135deg, #ffffff 0%, #83b6ff 50%, #68f0ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__lead {
    max-width: 680px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: clamp(18px, 2vw, 23px);
    text-wrap: pretty;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.hero-card {
    position: relative;
    min-height: 440px;
    padding: 26px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 32px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.025)),
        var(--panel);
    box-shadow: var(--shadow);
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: -30% -40% auto auto;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(103, 240, 255, 0.45), transparent 64%);
}

.hero-card__top,
.hero-card__status {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
}

.hero-card__top strong {
    color: var(--text);
    font-size: 34px;
}

.hero-card__graph {
    position: relative;
    height: 250px;
    margin: 42px 0 32px;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    align-items: end;
    gap: 12px;
}

.hero-card__graph span {
    border-radius: 999px 999px 12px 12px;
    background: linear-gradient(180deg, #68f0ff, #70a6ff 54%, #1c315d);
    box-shadow: 0 18px 50px rgba(103, 240, 255, 0.2);
}

.hero-card__status {
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.06);
}

.hero-card__status strong {
    color: var(--lime);
}

.section {
    padding: clamp(46px, 7vw, 96px) 0;
}

.panel {
    position: relative;
    padding: clamp(24px, 4vw, 52px);
    border: 1px solid var(--line);
    border-radius: 32px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.028));
    box-shadow: var(--shadow);
}

.section-head {
    max-width: 780px;
    margin-bottom: 34px;
}

.section-head--row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    max-width: none;
    gap: 28px;
}

.section-head--row > p {
    max-width: 420px;
}

.section-head--center {
    margin-inline: auto;
    text-align: center;
}

.section-head h2,
.cta h2 {
    font-size: clamp(34px, 5vw, 64px);
    letter-spacing: -0.02em;
}

.section-head p:not(.eyebrow) {
    color: var(--muted);
    font-size: 18px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.steps,
.benefit-grid,
.stats-grid {
    display: grid;
    gap: 18px;
}

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

.step-card,
.benefit-card,
.stat-card {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(11, 18, 35, 0.76);
}

.step-card {
    padding: 24px;
    min-height: 230px;
}

.step-card--accent {
    background: linear-gradient(135deg, rgba(103, 240, 255, 0.24), rgba(112, 166, 255, 0.1));
}

.step-card span {
    color: var(--cyan);
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.step-card h3,
.benefit-card h3 {
    margin: 18px 0 8px;
    font-size: 22px;
    letter-spacing: -0.015em;
}

.step-card p,
.benefit-card p,
.stat-card span,
.site-footer p {
    margin: 0;
    color: var(--muted);
}

.process-panel__btn {
    margin-top: 24px;
}

.benefit-grid {
    grid-template-columns: repeat(4, 1fr);
}

.benefit-card {
    position: relative;
    min-height: 260px;
    padding: 24px;
    overflow: hidden;
}

.benefit-card::after {
    content: "";
    position: absolute;
    inset: auto -30px -70px auto;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(103, 240, 255, 0.22), transparent 68%);
}

.benefit-card img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.stats {
    position: relative;
}

.stats-grid {
    grid-template-columns: repeat(5, 1fr);
}

.stat-card {
    padding: 24px;
    min-height: 170px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stat-card strong {
    font-size: clamp(30px, 4vw, 52px);
    line-height: 1;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #ffffff, #70a6ff 54%, #67f0ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-list details {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(11, 18, 35, 0.72);
    overflow: hidden;
}

.faq-list summary {
    padding: 22px 24px;
    cursor: pointer;
    font-size: 19px;
    font-weight: 800;
    list-style: none;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";
    float: right;
    color: var(--cyan);
}

.faq-list details[open] summary::after {
    content: "-";
}

.faq-list p {
    margin: 0;
    padding: 0 24px 22px;
    color: var(--muted);
}

.cta__inner {
    padding: clamp(32px, 5vw, 64px);
    border: 1px solid var(--line);
    border-radius: 32px;
    text-align: center;
    background:
        radial-gradient(700px 240px at 50% -80px, rgba(112, 166, 255, 0.2), transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.cta .btn {
    margin-top: 28px;
}

.site-footer {
    padding: 42px 0 24px;
}

.footer-panel {
    display: grid;
    grid-template-columns: 1.4fr 0.7fr 0.7fr;
    gap: 28px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(5, 8, 18, 0.78);
}

.site-footer h3 {
    margin: 0 0 12px;
    font-size: 15px;
}

.site-footer nav,
.site-footer .footer-panel > div:last-child {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.site-footer a,
.footer-bottom {
    color: var(--muted);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-top: 18px;
    font-size: 14px;
}

@media (max-width: 980px) {
    .nav__links {
        display: none;
    }

    .hero__grid,
    .steps,
    .benefit-grid,
    .stats-grid,
    .footer-panel {
        grid-template-columns: 1fr 1fr;
    }

    .hero__content,
    .section-head {
        grid-column: 1 / -1;
    }

    .section-head--row {
        display: block;
    }

    .hero {
        padding-top: 60px;
    }

    .hero-card {
        grid-column: 1 / -1;
        min-height: 360px;
    }

    .benefit-grid,
    .stats-grid {
        gap: 14px;
    }
}

@media (max-width: 680px) {
    .container {
        width: min(100% - 28px, 1160px);
    }

    .nav {
        min-height: 68px;
        gap: 12px;
    }

    .brand span {
        font-size: 15px;
    }

    .btn--small {
        min-height: 38px;
        padding-inline: 14px;
        font-size: 12px;
        white-space: nowrap;
    }

    .hero {
        padding: 42px 0 34px;
    }

    .hero__grid,
    .steps,
    .benefit-grid,
    .stats-grid,
    .footer-panel {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: clamp(38px, 11.5vw, 54px);
        line-height: 1.06;
        letter-spacing: -0.012em;
    }

    .hero-card {
        min-height: 300px;
        padding: 18px;
        border-radius: 24px;
    }

    .hero-card__graph {
        height: 150px;
        margin: 28px 0 22px;
        gap: 8px;
    }

    .hero-card__top strong {
        font-size: 27px;
    }

    .hero__actions,
    .footer-bottom {
        flex-direction: column;
    }

    .hero__actions .btn,
    .process-panel__btn,
    .cta .btn {
        width: 100%;
    }

    .chip {
        flex-wrap: wrap;
        margin-bottom: 20px;
        border-radius: 18px;
        font-size: 14px;
    }

    .hero__lead {
        margin-top: 18px;
        font-size: 17px;
    }

    .section {
        padding: 42px 0;
    }

    .panel,
    .cta__inner,
    .footer-panel {
        border-radius: 24px;
    }

    .panel,
    .cta__inner {
        padding: 22px;
    }

    .section-head {
        margin-bottom: 22px;
    }

    .section-head h2,
    .cta h2 {
        font-size: clamp(30px, 9vw, 42px);
        line-height: 1.08;
        letter-spacing: -0.012em;
    }

    .section-head p:not(.eyebrow) {
        font-size: 16px;
    }

    .step-card,
    .benefit-card,
    .stat-card {
        border-radius: 20px;
    }

    .step-card {
        min-height: auto;
        padding: 20px;
    }

    .benefit-card {
        min-height: auto;
        padding: 20px;
    }

    .stat-card {
        min-height: 128px;
        padding: 20px;
    }

    .stat-card strong {
        font-size: 40px;
    }

    .footer-panel {
        padding: 22px;
    }
}

@media (max-width: 420px) {
    .container {
        width: min(100% - 20px, 1160px);
    }

    .brand__mark {
        width: 32px;
        height: 32px;
    }

    .brand span {
        font-size: 14px;
    }

    .btn--small {
        padding-inline: 12px;
        font-size: 11px;
    }

    .hero h1 {
        font-size: clamp(34px, 10.8vw, 46px);
    }

    .chip {
        width: 100%;
        justify-content: center;
        padding-inline: 12px;
        text-align: center;
    }

    .btn {
        min-height: 46px;
        padding-inline: 18px;
    }

    .hero-card {
        min-height: 270px;
    }

    .hero-card__graph {
        height: 120px;
    }

    .eyebrow {
        font-size: 11px;
        letter-spacing: 0.12em;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}
