/* CareOS — careoshealth.net shared stylesheet
   Design system carried over from the V3.1.2 landing page:
   Fraunces display serif + Inter body, Matterhorn hero, aero-glass blues/teals. */

@font-face { font-family: "Fraunces"; src: url("assets/fraunces-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/inter-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --paper: #ffffff;
  --soft: #f6f4f1;
  --soft-2: #fbfaf8;
  --ink: #1d1a16;
  --copy: #4a453c;
  --muted: #6f6a61;
  --quiet: #8a8478;
  --line: #e6e1d8;
  --blue: #0a84ff;
  --blue-ink: #0b5cad;
  --teal: #00b894;
  --green-soft: #e6f4ea;
  --green: #2e7d32;
  --amber: #ffbd45;
  --shadow: 0 18px 44px rgba(10, 15, 30, .16);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121110;
    --paper: #191816;
    --soft: #22201d;
    --soft-2: #1e1c19;
    --ink: #f8f4ed;
    --copy: #ddd6ca;
    --muted: #bbb2a4;
    --quiet: #a49a8a;
    --line: #3a3630;
    --blue: #65afff;
    --blue-ink: #9acbff;
    --teal: #45d8b7;
    --green-soft: #1d3b27;
    --green: #81d996;
    --shadow: 0 18px 44px rgba(0, 0, 0, .38);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
img { display: block; max-width: 100%; }
a { color: inherit; }
svg { display: block; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.wrap { width: min(1060px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 76px 0; }
.serif { font-family: var(--serif); }
.kicker { margin: 0 0 8px; color: var(--quiet); font-size: .72rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.heading { margin: 0; font: 600 clamp(2rem, 5vw, 3rem)/1.08 var(--serif); letter-spacing: -.02em; }
.subhead { margin: 8px 0 0; color: var(--muted); }
.lede { max-width: 680px; margin: 14px 0 0; color: var(--copy); font-size: 1.06rem; }

/* ---------- shared header ---------- */
.topbar { position: absolute; z-index: 5; inset: 0 0 auto; padding: 20px 0; color: #fff; }
.nav { display: flex; align-items: center; justify-content: flex-end; gap: 22px; }
.brand { margin-right: auto; color: #fff; font: 600 1.35rem/1 var(--serif); letter-spacing: -.02em; text-decoration: none; text-shadow: 0 1px 8px rgba(0,0,0,.45); }
.nav a.nav-link { color: rgba(255,255,255,.82); font-size: .86rem; font-weight: 700; text-decoration: none; text-shadow: 0 1px 8px rgba(0,0,0,.45); }
.nav a.nav-link:hover { color: #fff; }
.nav a.nav-link[aria-current="page"] { color: #fff; box-shadow: 0 2px 0 #7ee2c8; }
.nav .nav-cta { padding: 9px 13px; border: 1px solid rgba(255,255,255,.5); border-radius: 10px; background: rgba(10,10,14,.24); color: #fff; font-size: .86rem; font-weight: 800; text-decoration: none; }

/* ---------- home hero ---------- */
.hero { position: relative; min-height: 590px; display: flex; align-items: end; overflow: hidden; color: #fff; background: #141210 url("assets/matterhorn.jpg") center 62%/cover no-repeat; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,14,.18) 0%, rgba(10,10,14,0) 34%, rgba(12,10,8,.62) 78%, rgba(12,10,8,.84) 100%); }
.hero-content { position: relative; z-index: 1; padding-bottom: 58px; }
.hero-kicker { margin: 0 0 12px; color: #7ee2c8; font-size: .8rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.product-name { margin: 0 0 4px; font: 600 clamp(3.7rem, 10vw, 6.6rem)/.95 var(--serif); letter-spacing: -.025em; text-shadow: 0 2px 24px rgba(0,0,0,.45); }
.hero-tag { margin: 0 0 12px; font-size: clamp(1.35rem, 3vw, 2rem); font-weight: 700; text-shadow: 0 1px 14px rgba(0,0,0,.5); }
.hero-sub { max-width: 680px; margin: 0; color: rgba(255,255,255,.92); font-size: clamp(1rem, 2vw, 1.18rem); text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; padding: 11px 16px; border: 1px solid rgba(255,255,255,.48); border-radius: 11px; color: #fff; background: rgba(0,0,0,.22); font-weight: 800; text-decoration: none; }
.button.primary { border-color: transparent; background: linear-gradient(120deg, #0a84ff, #00b894); box-shadow: 0 8px 22px rgba(10,132,255,.28); }
.button.solid { border-color: transparent; color: #fff; background: linear-gradient(120deg, #0a84ff, #00b894); }
.button.ghost { border-color: var(--line); color: var(--ink); background: var(--paper); }

/* ---------- interior page hero ---------- */
.page-hero { position: relative; display: flex; align-items: end; overflow: hidden; min-height: 380px; color: #fff; background: #141210 url("assets/matterhorn.jpg") center 38%/cover no-repeat; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,10,14,.34) 0%, rgba(10,10,14,.08) 40%, rgba(12,10,8,.72) 82%, rgba(12,10,8,.9) 100%); }
.page-hero-content { position: relative; z-index: 1; padding-bottom: 44px; }
.page-hero h1 { margin: 0 0 8px; font: 600 clamp(2.4rem, 6vw, 3.6rem)/1.02 var(--serif); letter-spacing: -.02em; text-shadow: 0 2px 20px rgba(0,0,0,.5); }
.page-hero p { max-width: 640px; margin: 0; color: rgba(255,255,255,.9); font-size: 1.08rem; text-shadow: 0 1px 10px rgba(0,0,0,.5); }

/* ---------- pillars ---------- */
.pillars { padding: 54px 0 34px; }
.pillar-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.pillar { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.pillar-icon { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(135deg, #0a84ff, #00c6a2); box-shadow: 0 6px 16px rgba(10,132,255,.28); }
.pillar h3 { margin: 0 0 5px; font-size: 1rem; }
.pillar p { margin: 0; color: var(--copy); font-size: .9rem; }
.pillar b { color: var(--ink); }

/* ---------- screenshots ---------- */
.shot-frame { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
.shot-frame img { width: 100%; height: clamp(260px, 46vw, 480px); object-fit: cover; object-position: top; }
.shot-cap { margin: 13px 0 0; color: var(--muted); font-size: .82rem; text-align: center; }
.shot-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 30px; }
.shot-duo .shot-frame img { height: clamp(220px, 34vw, 380px); }

/* ---------- features ---------- */
.features { padding: 76px 0 68px; border-top: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 46px; margin-top: 30px; }
.feature { display: grid; grid-template-columns: 24px 1fr; gap: 11px; align-items: start; }
.tick { width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; color: var(--green); background: var(--green-soft); font-size: .77rem; font-weight: 900; }
.feature b { display: block; font-size: .92rem; }
.feature span { display: block; color: var(--muted); font-size: .84rem; }

/* ---------- product deep-dive blocks ---------- */
.deep { padding: 76px 0; border-top: 1px solid var(--line); }
.deep:first-of-type { border-top: 0; }
.deep-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; margin-top: 26px; }
.deep-grid.flip > div:first-child { order: 2; }
.deep h3 { margin: 0 0 10px; font: 600 1.5rem/1.15 var(--serif); letter-spacing: -.015em; }
.deep p { margin: 0 0 12px; color: var(--copy); }
.deep ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.deep ul li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--copy); font-size: .94rem; }
.deep ul svg { margin-top: 2px; color: var(--teal); }

/* ---------- roles ---------- */
.roles { padding: 34px 0; border-block: 1px solid var(--line); background: var(--soft); }
.role-list { display: grid; gap: 13px; margin-top: 18px; }
.role { display: grid; grid-template-columns: 150px 1fr; gap: 18px; align-items: baseline; }
.role-tag { padding: 6px 12px; border-radius: 999px; color: var(--blue-ink); background: color-mix(in srgb, var(--blue) 12%, var(--paper)); font-size: .78rem; font-weight: 800; text-align: center; }
.role p { margin: 0; color: var(--copy); font-size: .9rem; }

/* ---------- hardware ---------- */
.hardware { padding: 78px 0; color: #fff; background: #0b1722; }
.hardware-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 58px; align-items: center; }
.hardware-mark { position: relative; min-height: 380px; display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 22px; background: radial-gradient(circle at 50% 40%, rgba(10,132,255,.3), transparent 38%), linear-gradient(145deg, #152c3c, #091118); }
.hardware-mark::before { content: ""; position: absolute; width: 220px; height: 300px; border: 2px solid rgba(126,226,200,.55); border-radius: 20px; box-shadow: 0 0 60px rgba(0,184,148,.2), inset 0 0 40px rgba(10,132,255,.08); transform: perspective(700px) rotateY(-8deg); }
.hardware-mark svg { position: relative; z-index: 1; color: #7ee2c8; filter: drop-shadow(0 10px 20px rgba(0,0,0,.4)); }
.hardware-copy .kicker { color: #7ee2c8; }
.hardware-copy .heading { max-width: 620px; }
.hardware-copy > p { color: #c7d2da; }
.hardware-points { display: grid; gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.hardware-points li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: #e7edf1; }
.hardware-points svg { margin-top: 2px; color: #7ee2c8; }

/* ---------- security ---------- */
.security { padding: 78px 0; background: var(--soft); }
.security-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; align-items: end; }
.security-head .subhead { margin: 0; font-size: 1rem; }
.security-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 38px; border: 1px solid var(--line); background: var(--line); }
.security-item { min-height: 170px; padding: 25px; background: var(--paper); }
.security-item svg { color: var(--blue); }
.security-item h3 { margin: 15px 0 6px; font-size: 1rem; }
.security-item p { margin: 0; color: var(--muted); font-size: .88rem; }

/* ---------- honest alpha ---------- */
.honest { padding: 22px; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 12px; background: var(--soft-2); }
.honest h3 { margin: 0 0 9px; font-size: .82rem; letter-spacing: .06em; }
.honest p { margin: 0 0 10px; color: var(--copy); font-size: .9rem; }
.honest p:last-of-type { margin-bottom: 0; }
.status-chip { display: inline-flex; margin-top: 12px; margin-right: 8px; padding: 6px 9px; border-radius: 7px; color: var(--blue-ink); background: color-mix(in srgb, var(--blue) 10%, var(--paper)); font-size: .76rem; font-weight: 800; }

/* ---------- roadmap ---------- */
.roadmap-band { padding: 78px 0; color: #fff; background: linear-gradient(145deg, #052944, #063d42); }
.roadmap-band .kicker { color: #7ee2c8; }
.roadmap-head { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: end; }
.roadmap-head .subhead { margin: 0; color: #c6dade; }
.roadmap-list { margin-top: 40px; border-top: 1px solid rgba(255,255,255,.18); }
.roadmap-item { display: grid; grid-template-columns: 48px .75fr 1.25fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.roadmap-num { color: #7ee2c8; font: 600 1rem/1 var(--serif); }
.roadmap-item h3 { margin: 0; font: 600 1.25rem/1.15 var(--serif); }
.roadmap-item p { margin: 0; color: #c6dade; font-size: .9rem; }

/* roadmap page: version timeline */
.timeline { margin-top: 44px; border-top: 1px solid var(--line); }
.tl-item { display: grid; grid-template-columns: 130px 1fr; gap: 26px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.tl-badge { align-self: start; padding: 7px 12px; border-radius: 999px; font-size: .76rem; font-weight: 800; text-align: center; white-space: nowrap; }
.tl-badge.now { color: #fff; background: linear-gradient(120deg, #0a84ff, #00b894); }
.tl-badge.next { color: var(--blue-ink); background: color-mix(in srgb, var(--blue) 12%, var(--paper)); }
.tl-badge.planned { color: var(--muted); background: var(--soft); border: 1px solid var(--line); }
.tl-badge.tentative { color: var(--quiet); background: transparent; border: 1px dashed var(--line); }
.tl-item h3 { margin: 0 0 6px; font: 600 1.4rem/1.15 var(--serif); letter-spacing: -.015em; }
.tl-item .tl-status { margin: 0 0 10px; color: var(--quiet); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.tl-item p { margin: 0 0 8px; color: var(--copy); font-size: .94rem; }
.tl-item ul { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.tl-item ul li { display: grid; grid-template-columns: 20px 1fr; gap: 8px; color: var(--muted); font-size: .88rem; }
.tl-item ul svg { margin-top: 3px; color: var(--teal); }

/* ---------- faq ---------- */
.faq { padding: 70px 0; border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 58px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 18px; padding: 19px 0; cursor: pointer; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--blue); font-size: 1.2rem; }
details[open] summary::after { content: "−"; }
details p { margin: -2px 34px 20px 0; color: var(--muted); font-size: .9rem; }

/* ---------- cta + contact card ---------- */
.cta { padding: 44px 0; color: #fff; background: linear-gradient(120deg, #0a84ff, #00b894); }
.cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.cta h2 { margin: 0 0 5px; font: 600 clamp(1.8rem, 4vw, 2.7rem)/1.06 var(--serif); }
.cta p { margin: 0; color: rgba(255,255,255,.9); }
.contact-card { max-width: 640px; margin-top: 34px; padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); box-shadow: var(--shadow); }
.contact-card h3 { margin: 0 0 8px; font: 600 1.4rem/1.15 var(--serif); }
.contact-card p { margin: 0 0 18px; color: var(--copy); }
.mail-link { display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; border-radius: 12px; color: #fff; background: linear-gradient(120deg, #0a84ff, #00b894); font-weight: 800; text-decoration: none; box-shadow: 0 8px 22px rgba(10,132,255,.28); word-break: break-all; }

/* ---------- footer ---------- */
.footer { padding: 18px 0; color: var(--quiet); background: var(--paper); font-size: .75rem; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; gap: 20px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 8px; }
.footer nav a { color: var(--muted); text-decoration: none; }
.footer nav a:hover { color: var(--ink); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav { flex-wrap: wrap; row-gap: 10px; }
  .brand { flex: 1 1 auto; }
  .nav .nav-cta { flex: 0 0 auto; }
  .nav-links-row { flex: 1 1 100%; display: flex; gap: 18px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
  .nav-links-row::-webkit-scrollbar { display: none; }
  .nav-links-row .nav-link { flex: 0 0 auto; }
  /* wrapped header is taller: keep hero content clear of it */
  .page-hero-content { padding-top: 124px; }
  .hero-content { padding-top: 124px; }
}
@media (max-width: 760px) {
  .section { padding: 58px 0; }
  .pillar-grid, .feature-grid, .hardware-grid, .security-head, .roadmap-head, .faq-grid, .deep-grid, .shot-duo, .security-list { grid-template-columns: 1fr; }
  .feature-grid { gap: 18px; }
  .hardware-grid, .security-head, .roadmap-head, .deep-grid { gap: 28px; }
  .deep-grid.flip > div:first-child { order: 0; }
  .hardware-mark { min-height: 330px; }
  .security-item { min-height: auto; }
  .roadmap-item { grid-template-columns: 38px 1fr; }
  .roadmap-item p { grid-column: 2; }
  .role { grid-template-columns: 1fr; gap: 7px; }
  .role-tag { width: fit-content; }
  .cta-grid { align-items: stretch; flex-direction: column; }
  .tl-item { grid-template-columns: 1fr; gap: 12px; }
  .tl-badge { width: fit-content; }
  .footer-row { display: grid; gap: 4px; }
  .proof-grid-alpha { grid-template-columns: 1fr !important; }
}
@media (max-width: 540px) {
  .wrap { width: min(100% - 28px, 1060px); }
  .topbar { padding-top: 14px; }
  .brand { font-size: 1.15rem; }
  .hero { min-height: 620px; background-position: 56% 62%; }
  .hero-content { padding-bottom: 42px; }
  .product-name { font-size: clamp(3.6rem, 21vw, 5rem); }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .page-hero { min-height: 340px; }
  .pillar-grid { gap: 12px; }
  .pillar { padding: 17px; }
  .pillar-icon { width: 44px; height: 44px; flex-basis: 44px; }
  .shot-frame img { height: 260px; }
  .features, .hardware, .security, .roadmap-band, .faq, .deep { padding-block: 58px; }
  .hardware-mark { min-height: 290px; }
  .roadmap-item { gap: 8px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
.walkthrough-form { display: grid; gap: 16px; margin-top: 6px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .82rem; font-weight: 800; letter-spacing: .02em; }
.field label .req { color: var(--blue); }
.field input, .field textarea, .field select { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper); color: var(--ink); font: 1rem/1.45 var(--sans); }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus-visible, .field textarea:focus-visible { outline: 3px solid #ffbd45; outline-offset: 1px; border-color: var(--blue); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 540px) { .field-row { grid-template-columns: 1fr; } }
.form-note { margin: 4px 0 0; color: var(--muted); font-size: .82rem; }
.hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.update-list { display: grid; gap: 20px; margin-top: 34px; }
.update { border: 1px solid var(--line); border-radius: 16px; padding: 26px 28px; background: var(--soft-2); }
.update-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.update-date { color: var(--muted); font-size: .88rem; }
.update-tag { font-size: .78rem; font-weight: 800; letter-spacing: .03em; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); color: var(--blue-ink); }
.update h3 { font-family: var(--serif); font-size: 1.35rem; margin: 0 0 10px; letter-spacing: -0.01em; }
.update ul { margin: 0; padding-left: 20px; display: grid; gap: 7px; color: var(--copy); }
.build-band { padding: 52px 0; border-top: 1px solid var(--line); background: var(--soft-2); }
.build-grid { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.build-band h2 { margin: 0 0 6px; font: 600 clamp(1.6rem, 3.6vw, 2.3rem)/1.1 var(--serif); letter-spacing: -.01em; }
.build-band p { margin: 0; color: var(--copy); }
@media (max-width: 760px) { .build-grid { flex-direction: column; align-items: stretch; } }