/* ============================================================
   CareToDoc — public website stylesheet
   Pure static CSS. No external fonts, no imports, no trackers.
   Visual language derived from the app (docs/UI_STYLE_REFERENCE.md):
   Material-3-inspired, seed color #2D7D6F, soft alpha-blended
   tints, white cards, ~14px radius, calm and elderly-friendly.
   ============================================================ */

:root {
  /* Brand seed and derived palette (light) */
  --brand: #2d7d6f;
  --brand-strong: #1f5d52;
  --brand-tint: #ddf4f1;          /* app header-action background */
  --brand-tint-fg: #145d5f;       /* app header-action foreground */

  --bg: #f4f7f6;
  --surface: #ffffff;
  --surface-translucent: rgba(255, 255, 255, 0.78);
  --text: #1c2b28;
  --text-muted: #4c5f5a;
  --border: #dbe5e2;
  --shadow: 0 6px 16px rgba(28, 43, 40, 0.08);

  /* Status green (app "Taken") */
  --status-good: #2e7d32;
  --status-good-tint: #e3f1e4;

  /* Period accents (from the app) for feature icon badges */
  --accent-morning: #2e7d32;
  --accent-afternoon: #d19a00;
  --accent-evening: #b45a1b;
  --accent-night: #4e6fae;
  --accent-teal: #3e9f99;
  --accent-purple: #8e73c7;

  --radius-card: 14px;
  --radius-tile: 12px;
  --radius-pill: 999px;

  /* System font stack only — no external fonts */
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #8fd0c4;
    --brand-strong: #b9e6dd;
    --brand-tint: #174e53;
    --brand-tint-fg: #bcedea;

    --bg: #111917;
    --surface: #1b2523;
    --surface-translucent: rgba(27, 37, 35, 0.78);
    --text: #e6edeb;
    --text-muted: #a7b8b3;
    --border: #2c3a37;
    --shadow: 0 6px 16px rgba(0, 0, 0, 0.35);

    --status-good: #8fd69a;
    --status-good-tint: #1d3320;

    --accent-morning: #8fd69a;
    --accent-afternoon: #ffe082;
    --accent-evening: #ffb27a;
    --accent-night: #afc6ff;
    --accent-teal: #91d8d0;
    --accent-purple: #d5b9f2;
  }
}

/* ---------- Base ---------- */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 18px;              /* elderly-friendly minimum body size */
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  line-height: 1.2;
  color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 2.9rem); font-weight: 800; margin: 0 0 0.5em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 700; margin: 0 0 0.6em; }
h3 { font-size: 1.2rem; font-weight: 650; margin: 0 0 0.4em; }

p { margin: 0 0 1em; }

a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover { color: var(--brand-strong); }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

img, svg { max-width: 100%; }

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 64px 0;
}

.section-lede {
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 2rem;
}

.muted { color: var(--text-muted); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface);
  color: var(--brand);
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Sticky translucent header (frosted, like the app) ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface-translucent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
}

.brand-link .logo-mark {
  width: 36px;
  height: 36px;
  flex: none;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 12px;
  border-radius: 10px;
}

.site-nav a:hover {
  color: var(--brand-strong);
  background: var(--brand-tint);
}

/* Language switcher — segmented pill */

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-left: 8px;
  flex: none;
}

.lang-switch a,
.lang-switch span {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-muted);
  min-width: 44px;
  text-align: center;
}

.lang-switch .active {
  background: var(--brand-tint);
  color: var(--brand-tint-fg);
}

.lang-switch a:hover {
  background: var(--brand-tint);
  color: var(--brand-tint-fg);
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 56px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-copy .eyebrow {
  display: inline-block;
  background: var(--brand-tint);
  color: var(--brand-tint-fg);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}

.hero-copy .tagline {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 34ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

/* Neutral "coming soon" pill — intentionally NOT the official Apple badge */
.store-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow);
  cursor: default;
}

@media (prefers-color-scheme: dark) {
  .store-pill { color: #0e2420; }
}

.hero-privacy-note {
  margin-top: 18px;
  font-size: 0.98rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-privacy-note svg { flex: none; }

/* ---------- Pure-CSS iPhone mockup ---------- */

.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: 290px;
  border-radius: 44px;
  padding: 12px;
  background: #10221f;
  box-shadow: 0 24px 48px rgba(20, 40, 36, 0.28);
  flex: none;
}

@media (prefers-color-scheme: dark) {
  .phone { background: #060d0c; box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5); }
}

.phone-screen {
  background: var(--bg);
  border-radius: 34px;
  overflow: hidden;
  padding-bottom: 16px;
  position: relative;
}

.phone-notch {
  width: 110px;
  height: 24px;
  margin: 10px auto 6px;
  background: #10221f;
  border-radius: var(--radius-pill);
}

@media (prefers-color-scheme: dark) {
  .phone-notch { background: #060d0c; }
}

.phone-header {
  text-align: center;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 6px 0 10px;
  color: var(--text);
}

.phone-card {
  margin: 0 14px 10px;
  border-radius: var(--radius-tile);
  border: 1.5px solid rgba(46, 125, 50, 0.35);
  background: color-mix(in srgb, var(--accent-morning) 12%, var(--surface));
  padding: 10px 12px;
}

.phone-card.night {
  border-color: rgba(78, 111, 174, 0.35);
  background: color-mix(in srgb, var(--accent-night) 12%, var(--surface));
}

.phone-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.phone-card-title .dot {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex: none;
}

.phone-card .dot { background: color-mix(in srgb, var(--accent-morning) 24%, var(--surface)); }
.phone-card.night .dot { background: color-mix(in srgb, var(--accent-night) 24%, var(--surface)); }

.phone-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 10px;
  margin-bottom: 6px;
  font-size: 0.78rem;
}

.phone-row:last-child { margin-bottom: 0; }

.phone-row .row-text { flex: 1; min-width: 0; }
.phone-row .row-title { font-weight: 650; display: block; }
.phone-row .row-sub { color: var(--text-muted); font-size: 0.7rem; }

.check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--status-good);
  color: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.check svg { width: 12px; height: 12px; }

.check.pending {
  background: transparent;
  border: 2px solid var(--border);
}

.phone-chip {
  margin: 0 14px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-tint);
  color: var(--brand-tint-fg);
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-size: 0.78rem;
  font-weight: 650;
}

.phone-nav {
  margin: 4px 24px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  box-shadow: 0 4px 12px rgba(28, 43, 40, 0.10);
}

.phone-nav span {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--border);
}

.phone-nav span.active {
  background: var(--brand);
}

/* ---------- Feature cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
}

.card p { margin-bottom: 0; color: var(--text-muted); font-size: 1rem; }

.icon-badge {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-tile);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.icon-badge svg { width: 26px; height: 26px; }

.icon-badge.morning   { background: color-mix(in srgb, var(--accent-morning) 18%, var(--surface));   color: var(--accent-morning); }
.icon-badge.afternoon { background: color-mix(in srgb, var(--accent-afternoon) 18%, var(--surface)); color: var(--accent-afternoon); }
.icon-badge.evening   { background: color-mix(in srgb, var(--accent-evening) 18%, var(--surface));   color: var(--accent-evening); }
.icon-badge.night     { background: color-mix(in srgb, var(--accent-night) 18%, var(--surface));     color: var(--accent-night); }
.icon-badge.teal      { background: color-mix(in srgb, var(--accent-teal) 18%, var(--surface));      color: var(--accent-teal); }
.icon-badge.purple    { background: color-mix(in srgb, var(--accent-purple) 18%, var(--surface));    color: var(--accent-purple); }

/* ---------- How it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: step;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-tint);
  color: var(--brand-tint-fg);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.steps h3 { margin-top: 0; }
.steps p { margin-bottom: 0; color: var(--text-muted); font-size: 1rem; }

/* ---------- Plans ---------- */

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.plan.highlight {
  border: 2px solid var(--brand);
  box-shadow: var(--shadow);
}

.plan .plan-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 4px;
}

.plan .plan-price {
  color: var(--brand);
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.plan .plan-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.plan ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.plan li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  font-size: 1rem;
}

.plan li svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 4px;
  color: var(--status-good);
}

.plan-note {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Privacy band ---------- */

.privacy-band {
  background: var(--brand-tint);
  border-radius: 22px;
  padding: 44px 36px;
}

.privacy-band h2,
.privacy-band p,
.privacy-band li {
  color: var(--brand-tint-fg);
}

.privacy-band ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 28px;
}

.privacy-band li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 1.02rem;
}

.privacy-band li svg {
  width: 22px;
  height: 22px;
  flex: none;
  margin-top: 4px;
}

.privacy-band .band-links {
  margin-top: 24px;
  margin-bottom: 0;
}

.privacy-band a { color: var(--brand-tint-fg); font-weight: 700; }

/* ---------- FAQ accordions ---------- */

.faq {
  max-width: 760px;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 1.05rem;
  min-height: 48px;             /* large touch target */
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "";
  width: 12px;
  height: 12px;
  border-right: 2.5px solid var(--text-muted);
  border-bottom: 2.5px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  margin-left: auto;
  flex: none;
}

.faq details[open] summary::after {
  transform: rotate(-135deg);
}

.faq details[open] summary {
  color: var(--brand);
}

.faq .faq-body {
  padding: 0 20px 18px;
  color: var(--text-muted);
}

.faq .faq-body p:last-child { margin-bottom: 0; }

/* ---------- Simple prose pages (privacy / terms) ---------- */

.prose {
  max-width: 760px;
}

.draft-banner {
  border: 2px dashed var(--accent-afternoon);
  background: color-mix(in srgb, var(--accent-afternoon) 12%, var(--surface));
  border-radius: var(--radius-card);
  padding: 18px 22px;
  font-weight: 650;
  margin-bottom: 28px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  max-width: 560px;
}

.contact-card p:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 48px;
  margin-top: 40px;
  font-size: 0.98rem;
  color: var(--text-muted);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a { color: var(--text-muted); }

.no-cookies {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  background: var(--status-good-tint);
  color: var(--status-good);
  font-weight: 650;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
}

/* ---------- Scroll reveal (JS adds .revealed; hidden state only with JS on) ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

html.js .reveal.revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .faq summary::after { transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .card-grid, .steps, .plans {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .phone-wrap { order: 2; }
}

@media (max-width: 600px) {
  .section { padding: 44px 0; }

  .hero { padding: 44px 0 36px; }

  .card-grid, .steps, .plans {
    grid-template-columns: 1fr;
  }

  .privacy-band { padding: 32px 22px; }

  .privacy-band ul { grid-template-columns: 1fr; }

  .site-header .header-inner {
    flex-wrap: wrap;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .site-nav { margin-left: 0; }
}