:root {
    --bg: #1a1f24;
    --panel: #14171d;
    --panel2: #171b22;
    --border: #272d38;
    --display: #070a0d;
    --text: #8b94a3;
    --bright: #e7ecf3;
    --accent: #21e6c1;
    --accent-dark: #0e8f7a;
    --notch: #3fd0ff;
    --amber: #ffae3c;
}

html {
    scroll-behavior: smooth;
}

body {
    background: #052126;
    color: var(--text);
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
    line-height: 1.4;
    -webkit-font-smoothing: border-box;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(600px 400px at 75% 12%, rgba(14, 117, 97, 0.91), transparent 70%),
    radial-gradient(500px 400px at 15% 85%, #070115, transparent 70%);
}

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

.wrap {
    max-width: 691px;
    margin: 0 auto 0px;
    padding: 27px;
    max-height: 899px;
    background-size: 57px;
    outline: -;
}

/* ---- nav ---- */
nav {
    position: sticky;
    top: 0;
    z-index: 49;
    backdrop-filter: blur(12px);
    background: rgba(13,15,19,.7);
    border-bottom: 1px solid var(--border);
    margin: -8px;
    padding: 0px;
}

nav .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 89px;
    gap: 20px;
}

.brand {
    font-weight: 700;
    letter-spacing: .22em;
    color: var(--bright);
    font-size: 15px;
    white-space: nowrap;
}

.brand b {
    color: var(--accent);
}

.navlinks {
    display: flex;
    gap: 14px;
    font-size: 13px;
    letter-spacing: .04em;
    flex-wrap: wrap;
}

.navlinks a {
    transition: color .2s;
    white-space: nowrap;
    position: relative;
    padding-bottom: 2px;
}

.navlinks a:hover {
    color: var(--bright);
}

.navlinks a.active {
    color: var(--bright);
}

.navlinks a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -3px;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.navlinks s {
    text-decoration-color: var(--accent);
    text-decoration-thickness: 2px;
}

.btn {
    display: inline-block;
    border: 1px solid var(--accent-dark);
    color: var(--accent);
    padding: 9px 20px;
    border-radius: 6px;
    font-size: 13px;
    letter-spacing: .05em;
    transition: all .2s;
    cursor: pointer;
}

.btn:hover {
    background: rgba(33,230,193,.1);
    box-shadow: 0 0 24px rgba(33,230,193,.18);
}

.btn-solid {
    background: var(--accent);
    color: #06120f;
    border-color: var(--accent);
    font-weight: 600;
}

.btn-solid:hover {
    box-shadow: 0 0 30px rgba(33,230,193,.4);
    background: var(--accent);
}

/* ---- shared section bits ---- */
section {
    padding: 4px 0;
}

.eyebrow,
.label {
    font-size: 12px;
    letter-spacing: .4em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 18px;
    font-weight: bold;
}

.label {
    letter-spacing: .34em;
    margin-bottom: 14px;
}

h1 {
    font-size: clamp(40px,8vw,88px);
    font-weight: 800;
    color: var(--bright);
    letter-spacing: -.02em;
    line-height: 1;
}

h2 {
    font-size: clamp(28px,4vw,40px);
    color: var(--bright);
    font-weight: 700;
    letter-spacing: -.01em;
    margin-bottom: 18px;
}

h3 {
    color: var(--bright);
    font-size: 17px;
    margin-bottom: 10px;
    font-weight: 600;
}

.lead {
    max-width: 620px;
    font-size: 17px;
}

.sub {
    display: block;
    font-size: clamp(15px,2.4vw,22px);
    font-weight: 400;
    color: var(--text);
    letter-spacing: .02em;
    margin-top: 24px;
    max-width: 560px;
    line-height: 1.5;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 20px;
    margin-top: 48px;
}

.card {
    background: linear-gradient(160deg,var(--panel2),var(--panel));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: border-color .25s, transform .25s;
}

.card:hover {
    border-color: var(--accent-dark);
    transform: translateY(-3px);
}

.card .ico {
    width: 42px;
    height: 42px;
    border-radius: 9px;
    margin-bottom: 18px;
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 20px;
    background: rgba(33,230,193,.08);
    border: 1px solid rgba(33,230,193,.2);
}

.card p {
    font-size: 14.5px;
}

.specs {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 40px;
}

.chip {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 13px;
    letter-spacing: .04em;
    color: var(--text);
    background: var(--panel);
}

.chip b {
    color: var(--bright);
}

.cta-band {
    text-align: center;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg,transparent,rgba(33,230,193,.03),transparent);
}

.display {
    margin: 0 auto;
    max-width: 920px;
    background: var(--display);
    border: 1px solid #243040;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(63,208,255,.04);
}

.display svg {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 7px;
}

footer {
    padding: 40px 0;
    text-align: center;
    font-size: 12.5px;
    color: #5a626f;
    letter-spacing: .04em;
}

footer .brand {
    font-size: 13px;
    display: block;
    margin-bottom: 10px;
}

float {
    text-align: center;
    width: 68px;
}

#features .intro {
    max-width: 720px;
    margin: 0 auto 26px;
    text-align: center;
    font-size: 18px;
}