* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, Segoe UI, Arial, sans-serif;
    color: #f7f8fc;
    background:
        radial-gradient(circle at 80% 10%, #183a68 0%, transparent 28%),
        radial-gradient(circle at 10% 50%, #122744 0%, transparent 30%),
        #070b12;
}

.nav {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1250px;
    margin: auto;
    padding: 0 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 43px;
    height: 43px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 900;
    background: linear-gradient(135deg,#6aaeff,#6e5cff);
    box-shadow: 0 0 30px #3f76ff66;
}

.brand strong {
    display: block;
    letter-spacing: 2px;
}

.brand span {
    display: block;
    color: #78859a;
    font-size: 12px;
}

.status {
    color: #7fffc1;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #38e995;
    margin-right: 8px;
    box-shadow: 0 0 14px #38e995;
}

main {
    max-width: 1250px;
    margin: auto;
    padding: 45px 28px 90px;
}

.hero {
    min-height: 530px;
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 70px;
    align-items: center;
}

.badge {
    display: inline-block;
    border: 1px solid #2c4c72;
    background: #11233b;
    color: #8dc3ff;
    padding: 9px 13px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.3px;
}

h1 {
    margin: 22px 0 20px;
    font-size: clamp(48px, 6vw, 83px);
    line-height: .96;
    letter-spacing: -4px;
}

h1 span {
    display: block;
    background: linear-gradient(90deg,#68b6ff,#9e76ff);
    color: transparent;
    background-clip: text;
}

.hero-copy p {
    max-width: 620px;
    color: #909aab;
    font-size: 19px;
    line-height: 1.7;
}

.actions {
    margin-top: 32px;
    display: flex;
    gap: 13px;
}

button {
    cursor: pointer;
    border: 0;
    color: white;
    background: linear-gradient(135deg,#4e91ff,#725cff);
    border-radius: 12px;
    padding: 15px 24px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 8px 30px #445eff3b;
}

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

button.secondary {
    background: #111822;
    border: 1px solid #263243;
    box-shadow: none;
}

.terminal {
    border: 1px solid #273345;
    border-radius: 18px;
    overflow: hidden;
    background: #080d14;
    box-shadow: 0 35px 90px #00000088;
}

.terminal-top {
    height: 47px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 17px;
    border-bottom: 1px solid #202a37;
    background: #101722;
}

.terminal-top span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #465060;
}

.terminal-top span:nth-child(1) { background:#ff6161; }
.terminal-top span:nth-child(2) { background:#f7c94d; }
.terminal-top span:nth-child(3) { background:#38d98b; }

.terminal-top small {
    margin-left: 10px;
    color: #697689;
}

.terminal-body {
    padding: 26px;
    font-family: Consolas, monospace;
    font-size: 14px;
    min-height: 335px;
}

.terminal-body b {
    color: #6da8ff;
}

.output {
    color: #8b96a5;
    margin-left: 20px;
}

.green {
    color: #3ff69a;
    margin-left: 20px;
}

.cursor span {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: #72a9ff;
    vertical-align: middle;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.cards {
    margin-top: 55px;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 17px;
}

.cards article {
    background: linear-gradient(145deg,#101722,#0c121b);
    border: 1px solid #1d2b3e;
    border-radius: 17px;
    padding: 24px;
}

.icon {
    font-size: 25px;
}

.cards h3 {
    margin-bottom: 8px;
}

.cards p {
    color: #7d899b;
    line-height: 1.55;
    min-height: 72px;
}

.cards strong {
    color: #68e9a3;
    font-size: 11px;
    letter-spacing: 1px;
}

.info {
    margin-top: 35px;
    border: 1px solid #1d2b3e;
    border-radius: 17px;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    background: #0d141e;
}

.info div {
    padding: 25px;
    border-right: 1px solid #1d2b3e;
}

.info div:last-child {
    border-right: 0;
}

.info span {
    color: #697689;
    display: block;
    font-size: 10px;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.testbox {
    margin-top: 35px;
    padding: 35px;
    border-radius: 18px;
    border: 1px solid #1d2b3e;
    background: linear-gradient(120deg,#0e1724,#11172a);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.testbox span {
    color: #6fa8ff;
    font-size: 11px;
    letter-spacing: 1.5px;
}

.testbox h2 {
    font-size: 30px;
    margin: 8px 0;
}

.testbox p {
    color: #7e8998;
}

.big-status {
    min-width: 115px;
    padding: 20px;
    text-align: center;
    border: 1px solid #35445b;
    border-radius: 12px;
    font-weight: 900;
    letter-spacing: 2px;
}

footer {
    padding: 35px;
    border-top: 1px solid #151e29;
    text-align: center;
    color: #505b6c;
    font-size: 12px;
}

@media (max-width: 850px) {

    .hero {
        grid-template-columns: 1fr;
    }

    .cards {
        grid-template-columns: 1fr 1fr;
    }

    .info {
        grid-template-columns: 1fr 1fr;
    }

    h1 {
        letter-spacing: -2px;
    }
}

@media (max-width: 520px) {
    .cards,
    .info {
        grid-template-columns: 1fr;
    }

    .testbox {
        align-items: flex-start;
        gap: 25px;
        flex-direction: column;
    }
}