/* Astrobytes - shared styles. No external fonts or CDNs: the page must load
   fast on a mid-range Android phone on mobile data, which is what our users
   actually have. */

:root {
    --bg:            #fbfaf8;
    --surface:       #ffffff;
    --surface-alt:   #f4f2ee;
    --border:        #e4e0d8;
    --text:          #1a1a1f;
    --text-muted:    #5f5c68;
    --accent:        #3d3a8c;
    --accent-soft:   #ecebf7;
    --accent-text:   #ffffff;
    --gold:          #a67c2e;
    --radius:        14px;
    --measure:       68ch;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg:          #131318;
        --surface:     #1b1b22;
        --surface-alt: #21212a;
        --border:      #2f2f3a;
        --text:        #f0eef2;
        --text-muted:  #a5a2b0;
        --accent:      #a9a4f5;
        --accent-soft: #23223a;
        --accent-text: #131318;
        --gold:        #d9ae5f;
    }
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }
.narrow { max-width: var(--measure); }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { opacity: .8; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 650; margin-top: 0; }
h3 { font-size: 1.1rem; font-weight: 620; }
p  { margin: 0 0 1.1em; }

/* ---------- header ---------- */
header {
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    z-index: 10;
}
.bar { display: flex; align-items: center; justify-content: space-between;
       padding: 14px 0; gap: 16px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 680;
         font-size: 1.12rem; letter-spacing: -0.02em; color: var(--text);
         text-decoration: none; }
.brand .mark { font-size: 1.3rem; line-height: 1; }
nav a { color: var(--text-muted); text-decoration: none; margin-left: 20px;
        font-size: .93rem; }
nav a:hover { color: var(--text); }
@media (max-width: 620px) { nav a { margin-left: 13px; font-size: .86rem; } }

/* ---------- hero ---------- */
.hero { padding: 76px 0 60px; }
.hero .lede { font-size: clamp(1.05rem, 2.2vw, 1.28rem); color: var(--text-muted);
              max-width: 56ch; }
.eyebrow {
    display: inline-block; font-size: .76rem; font-weight: 640;
    letter-spacing: .09em; text-transform: uppercase;
    color: var(--accent); background: var(--accent-soft);
    padding: 6px 13px; border-radius: 999px; margin-bottom: 20px;
}

.btn {
    display: inline-block; background: var(--accent); color: var(--accent-text);
    padding: 13px 26px; border-radius: 999px; font-weight: 620;
    text-decoration: none; border: 0; cursor: pointer; font-size: 1rem;
}
.btn:hover { opacity: .9; }
.btn-ghost { background: transparent; color: var(--text);
             border: 1px solid var(--border); }

/* ---------- sections ---------- */
section { padding: 58px 0; }
section.alt { background: var(--surface-alt); border-block: 1px solid var(--border); }
.kicker { font-size: .78rem; font-weight: 640; letter-spacing: .09em;
          text-transform: uppercase; color: var(--text-muted); margin-bottom: 12px; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px;
}
.card h3 { margin-bottom: .35em; }
.card p:last-child { margin-bottom: 0; }
.card .num { font-size: .78rem; font-weight: 700; color: var(--accent);
             letter-spacing: .08em; margin-bottom: 10px; }

/* ---------- sample message ---------- */
.phone {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 20px; padding: 18px; max-width: 400px;
}
.bubble {
    background: var(--accent-soft); border-radius: 14px 14px 14px 4px;
    padding: 14px 16px; font-size: .95rem;
}
.bubble .meta { font-size: .75rem; color: var(--text-muted); margin-top: 9px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.chip { font-size: .78rem; border: 1px solid var(--border); border-radius: 999px;
        padding: 5px 12px; color: var(--text-muted); }

.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li { padding-left: 27px; position: relative; margin-bottom: 11px; }
.list-check li::before {
    content: ""; position: absolute; left: 3px; top: .62em;
    width: 7px; height: 7px; border-radius: 50%; background: var(--gold);
}

/* ---------- form ---------- */
.form { display: grid; gap: 12px; max-width: 430px; }
.form label { font-size: .87rem; font-weight: 600; }
.form input {
    width: 100%; padding: 12px 14px; font-size: 1rem; font-family: inherit;
    border: 1px solid var(--border); border-radius: 10px;
    background: var(--surface); color: var(--text);
}
.form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.hint { font-size: .82rem; color: var(--text-muted); }

/* ---------- faq ---------- */
details {
    border-bottom: 1px solid var(--border); padding: 16px 0;
}
summary { cursor: pointer; font-weight: 620; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--text-muted);
                 font-weight: 400; font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "\2212"; }
details p { margin: 12px 0 0; color: var(--text-muted); }

/* ---------- footer ---------- */
footer {
    border-top: 1px solid var(--border); padding: 40px 0 56px;
    font-size: .88rem; color: var(--text-muted);
}
footer h4 { font-size: .78rem; letter-spacing: .09em; text-transform: uppercase;
            color: var(--text); margin: 0 0 10px; }
footer a { color: var(--text-muted); }
.legal-note { margin-top: 28px; padding-top: 22px;
              border-top: 1px solid var(--border); font-size: .82rem; }

/* ---------- legal pages ---------- */
.doc { padding: 48px 0 72px; }
.doc h2 { margin-top: 2.2em; font-size: 1.35rem; }
.doc h2:first-of-type { margin-top: 1em; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: .5em; }
.doc table { width: 100%; border-collapse: collapse; margin: 1.2em 0;
             font-size: .93rem; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--border); padding: 9px 12px;
                   text-align: left; vertical-align: top; }
.doc th { background: var(--surface-alt); font-weight: 620; }
.updated { color: var(--text-muted); font-size: .88rem; }