:root { --navy: #111827; --cyan: #35C6F4; --white: #ffffff; --silver: #B8C4D0; --ink: #111827; --muted: #4b5a6b; --line: #d5dce4; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: var(--white); line-height: 1.6; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 1.25rem; }
a { color: #0a6f94; }
.hero { background: var(--navy); color: var(--white); padding: 3rem 0 3.5rem; }
.logo { margin: 0 0 1.5rem; font-weight: 700; letter-spacing: .12em; font-size: 1.2rem; color: var(--cyan); }
.hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.7rem); line-height: 1.2; margin: 0 0 1rem; max-width: 22ch; }
.lead { color: var(--silver); max-width: 52ch; margin: 0 0 1.5rem; font-size: 1.1rem; }
.cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 0; }
.btn { display: inline-block; padding: .7rem 1.2rem; border-radius: 8px; border: 2px solid var(--cyan); color: var(--cyan); text-decoration: none; font-weight: 600; background: transparent; font-size: 1rem; cursor: pointer; }
.btn.primary { background: var(--cyan); color: var(--navy); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
main section { padding: 2.25rem 0 .5rem; }
h2 { font-size: 1.5rem; margin: 0 0 1rem; color: var(--navy); border-left: 5px solid var(--cyan); padding-left: .6rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.card { border: 1px solid var(--line); border-top: 4px solid var(--cyan); border-radius: 10px; padding: 1.1rem; background: var(--white); }
.card h3 { margin: 0 0 .4rem; font-size: 1.15rem; }
.card ul { padding-left: 1.1rem; margin: .5rem 0; }
.card dl { margin: .5rem 0; display: grid; grid-template-columns: auto 1fr; gap: .1rem .75rem; font-size: .92rem; }
.card dt { color: var(--muted); } .card dd { margin: 0; }
.price { font-weight: 700; color: var(--navy); margin: .75rem 0 0; }
.tag { display: inline-block; background: #e6f8fe; color: #05566f; border-radius: 999px; padding: .05rem .6rem; font-size: .85rem; margin: .25rem 0; }
.stack { display: grid; gap: .45rem; max-width: 520px; }
label { font-weight: 600; margin-top: .4rem; }
input, select, textarea { font: inherit; padding: .55rem .65rem; border: 1px solid #8a98a8; border-radius: 6px; width: 100%; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.alert { padding: .7rem 1rem; border-radius: 8px; border: 1px solid; }
.alert.ok { background: #e2f6ea; border-color: #8ccaa6; color: #0b6b3a; }
.alert.error { background: #fbe5e5; border-color: #e3a0a0; color: #9b1c1c; }
.muted { color: var(--muted); }
footer { padding: 2rem 1.25rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 2.5rem; }