:root {
    --bg: #081221;
    --bg-deep: #040b15;
    --panel: rgba(255, 255, 255, 0.06);
    --stroke: rgba(255, 255, 255, 0.16);
    --text: #eaf3ff;
    --muted: #a9c0d6;
    --aqua: #40d9ff;
    --mint: #7dffc7;
    --amber: #ffca7a;
    --danger: #ff8f8f;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Manrope", sans-serif;
    color: var(--text);
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 10%, rgba(64, 217, 255, 0.24), transparent 36%),
        radial-gradient(circle at 85% 5%, rgba(125, 255, 199, 0.22), transparent 34%),
        radial-gradient(circle at 65% 88%, rgba(255, 202, 122, 0.16), transparent 28%),
        linear-gradient(140deg, var(--bg-deep), var(--bg) 55%, #102640);
    overflow-x: hidden;
}

.mesh {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.7), transparent 78%);
    pointer-events: none;
}

.container {
    width: min(1160px, 92%);
    margin: 0 auto;
}

.hero {
    padding: 76px 0 40px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--stroke);
    background: var(--panel);
    color: var(--muted);
    font-size: 13px;
    backdrop-filter: blur(8px);
    animation: rise 0.65s ease-out;
}

.badge::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(120deg, var(--aqua), var(--mint));
    box-shadow: 0 0 14px rgba(64, 217, 255, 0.75);
}

h1 {
    margin: 16px 0 10px;
    max-width: 900px;
    font-family: "Sora", sans-serif;
    font-size: clamp(2.1rem, 5.4vw, 4.4rem);
    line-height: 1.05;
    letter-spacing: -1px;
    animation: rise 0.9s ease-out;
}

.lead {
    margin: 0;
    max-width: 760px;
    color: var(--muted);
    line-height: 1.72;
    font-size: clamp(1rem, 2.1vw, 1.18rem);
    animation: rise 1.05s ease-out;
}

.hero-actions {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    animation: rise 1.15s ease-out;
}

.btn {
    text-decoration: none;
    font-weight: 700;
    font-size: 0.96rem;
    padding: 12px 18px;
    border-radius: 12px;
    transition: transform 0.18s ease, filter 0.18s ease;
}

.btn-primary {
    background: linear-gradient(120deg, var(--aqua), var(--mint));
    color: #04233a;
    box-shadow: 0 12px 26px rgba(64, 217, 255, 0.3);
}

.btn-secondary {
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--stroke);
}

.btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.02);
}

.stats {
    margin: 34px 0 10px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.stat {
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
    padding: 16px;
    animation: rise 0.9s ease-out;
    animation-fill-mode: both;
}

.stat:nth-child(2) {
    animation-delay: 0.08s;
}

.stat:nth-child(3) {
    animation-delay: 0.16s;
}

.stat:nth-child(4) {
    animation-delay: 0.24s;
}

.stat .value {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.stat .label {
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.4;
}

.section {
    margin-top: 38px;
}

.section h2 {
    margin: 0 0 14px;
    font-family: "Sora", sans-serif;
    font-size: clamp(1.35rem, 2.8vw, 2.1rem);
    letter-spacing: -0.4px;
}

.section-intro {
    margin: 0 0 18px;
    color: var(--muted);
    max-width: 840px;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.feature-card {
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: var(--panel);
    padding: 20px;
}

.feature-card h3 {
    margin: 0 0 10px;
    font-family: "Sora", sans-serif;
    font-size: 1.07rem;
    letter-spacing: -0.2px;
}

.feature-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.66;
}

.flow {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.flow-card {
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(11, 29, 47, 0.86), rgba(11, 29, 47, 0.46));
    padding: 18px;
}

.flow-step {
    display: inline-block;
    font-family: "Sora", sans-serif;
    font-size: 0.82rem;
    color: var(--aqua);
    border: 1px solid rgba(64, 217, 255, 0.38);
    border-radius: 999px;
    padding: 5px 10px;
    margin-bottom: 10px;
}

.flow-card h3 {
    margin: 0 0 8px;
    font-size: 1.03rem;
    font-family: "Sora", sans-serif;
}

.flow-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.technical {
    margin-top: 18px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: var(--panel);
    padding: 18px;
    overflow-x: auto;
}

.technical table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
}

.technical th,
.technical td {
    text-align: left;
    padding: 11px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    vertical-align: top;
}

.technical th {
    color: #d7eaff;
    font-size: 0.9rem;
    font-weight: 700;
}

.technical td {
    color: var(--muted);
    font-size: 0.94rem;
}

.notice {
    margin-top: 16px;
    border-left: 3px solid var(--amber);
    border-radius: 8px;
    padding: 12px 14px;
    background: rgba(255, 202, 122, 0.1);
    color: #ffe1b7;
    line-height: 1.6;
}

.faq {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.qa {
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.045);
    padding: 16px;
}

.qa h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    font-family: "Sora", sans-serif;
}

.qa p {
    margin: 0;
    color: var(--muted);
    line-height: 1.64;
}

.cta {
    margin: 42px 0 22px;
    border: 1px solid var(--stroke);
    border-radius: 18px;
    background: linear-gradient(130deg, rgba(64, 217, 255, 0.16), rgba(125, 255, 199, 0.1));
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.cta h2 {
    margin: 0 0 6px;
    font-family: "Sora", sans-serif;
    font-size: clamp(1.3rem, 2.2vw, 1.75rem);
}

.cta p {
    margin: 0;
    color: #d3e7f8;
    line-height: 1.6;
}

.cta .btn-primary {
    white-space: nowrap;
}

footer {
    margin-top: 14px;
    padding: 18px 0 30px;
    border-top: 1px solid var(--stroke);
    color: #9fbbd0;
    font-size: 0.92rem;
    line-height: 1.7;
}

.muted-danger {
    color: var(--danger);
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1040px) {
    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .flow {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .hero {
        padding-top: 58px;
    }

    .feature-grid,
    .faq,
    .stats,
    .flow {
        grid-template-columns: 1fr;
    }

    .technical table {
        min-width: 100%;
    }
}