/* Curve — site styling.
   Warm cat palette (2026 rebrand): coral / butter / rose on soft cream.
   Mirrors the in-app tokens in Curve/Theme/AppTheme.swift after the warm
   palette shift. Reference family: Smalls, Cat Person, Magic Spoon —
   friendly pet-app energy without sliding into vet-clinic sterility. */

:root {
  /* Brand — warm coral */
  --brand: #E08560;
  --brand-text: #A04A28;
  --brand-soft: #FBE5DA;

  /* Secondary — butter / honey (same as in-app proGold) */
  --butter: #F2C24B;
  --butter-text: #866011;
  --butter-soft: #FCEFC6;

  /* Tertiary — dusty rose */
  --rose: #EFC7C2;
  --rose-text: #8C4A45;
  --rose-soft: #FBECE9;

  /* Status — semantic feedback, kept distinct from the warm accent stack */
  --green: #6CD5A1;
  --green-text: #1F7C53;
  --green-soft: #DFF5E8;
  --diabetes: #4F95F2;

  /* Surfaces — warm cream canvas, white cards (matches app) */
  --bg: #FFFCF6;
  --card: #FFFFFF;
  --separator: rgba(43,31,26,0.12);
  --separator-thin: rgba(43,31,26,0.07);

  /* Text — warm dark, not pure black */
  --text: #2B1F1A;
  --text-2: rgba(43,31,26,0.62);
  --text-3: rgba(43,31,26,0.34);

  /* Metrics */
  --r-card: 22px;        /* rounder than sage version — softer cat-app feel */
  --r-row: 14px;
  --r-pill: 999px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181310;
    --card: #231E1A;
    --separator: rgba(255,236,220,0.12);
    --separator-thin: rgba(255,236,220,0.07);
    --text: #F4E9DD;
    --text-2: rgba(244,233,221,0.62);
    --text-3: rgba(244,233,221,0.34);
    --brand-soft: rgba(224,133,96,0.16);
    --butter-soft: rgba(242,194,75,0.16);
    --rose-soft: rgba(239,199,194,0.18);
    --green-soft: rgba(108,213,161,0.16);
  }
}

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--brand-text); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ----- Serif accents (mirror Font.system(design: .serif)) ----- */
.serif, h1, h2 {
  font-family: ui-serif, "New York", "Iowan Old Style", Baskerville,
               "Times New Roman", serif;
  letter-spacing: -0.5px;
}

h1 { font-size: 44px; font-weight: 500; line-height: 1.06; margin: 0 0 14px; }
h2 { font-size: 32px; font-weight: 500; line-height: 1.16; margin: 0 0 16px; letter-spacing: -0.7px; }
h3 { font-size: 17px; font-weight: 600; margin: 0 0 6px; }
p { margin: 0 0 12px; }
.muted { color: var(--text-2); }
.tiny { font-size: 13px; color: var(--text-2); }

.eyebrow {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.4px;
  color: var(--brand-text);
  display: inline-block;
  margin-bottom: 14px;
}

/* ----- Layout ----- */
.container { max-width: 960px; margin: 0 auto; padding: 0 28px; }
.container.narrow { max-width: 680px; }

.topbar {
  padding: 22px 28px;
  background: var(--bg);
  border-bottom: 1px solid var(--separator-thin);
}
.topbar-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar a { color: var(--text); }
.topbar .brand-mark {
  font-family: ui-serif, "New York", serif;
  font-weight: 600; font-size: 22px; letter-spacing: -0.4px;
  color: var(--text);
}
.topbar nav a {
  margin-left: 24px; font-size: 14px; color: var(--text-2);
}
.topbar nav a:hover { color: var(--text); text-decoration: none; }

section { padding: 80px 0; }
section.alt { background: rgba(224,133,96,0.04); border-top: 1px solid var(--separator-thin); }

/* ----- Wave motif (mirrors WaveShape.swift) -----
   The app is named Curve and the wave shape is the brand mark. The
   styles below cover three surfaces where it shows up on the website:
   the static signature wave under the hero headline, the animated
   "loader" demonstration on the moment section, and a tall data-shape
   gradient wave used in the completion-moment showcase. */
.wave {
  display: block;
  width: 96px; height: 14px;
  margin: 4px auto 26px;
}

/* Animated dashed wave — mirrors `WaveLoader` in the app. Used on the
   landing page only as a demonstration that the loader replaces the
   generic iOS spinner everywhere. */
.wave-loader {
  width: 80px; height: 22px; display: inline-block;
  vertical-align: middle;
}
.wave-loader path {
  fill: none;
  stroke: var(--brand-text);
  stroke-width: 2.4;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 8 6;
  animation: wave-flow 1.4s linear infinite;
}
@keyframes wave-flow {
  to { stroke-dashoffset: -28; }
}

/* "Curve complete" showcase — a one-card mini-mockup of the in-app
   ceremonial screen, embedded inside the landing page. */
.moment-showcase {
  background: var(--bg);
  border: 1px solid var(--separator-thin);
  border-radius: 28px;
  padding: 32px 28px 26px;
  text-align: center;
  max-width: 360px;
  margin: 24px auto 0;
  box-shadow: 0 24px 60px -28px rgba(43,31,26,0.18);
}
.moment-showcase .chip-green {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--green-text);
  background: rgba(108,213,161,0.22);
  padding: 5px 11px; border-radius: var(--r-pill);
  margin-bottom: 18px;
}
.moment-showcase .headline {
  font-family: ui-serif, "New York", serif;
  font-weight: 500; font-size: 30px; letter-spacing: -0.6px;
  line-height: 1.08;
  color: var(--text);
  margin: 0 0 4px;
}
.moment-showcase .headline .accent { color: var(--brand-text); }
.moment-showcase .sub {
  font-size: 13px; color: var(--text-2); margin-bottom: 18px;
}
.moment-showcase .wave-data {
  width: 100%; height: 96px; margin-bottom: 18px;
}
.moment-showcase .stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 6px; margin-bottom: 22px;
}
.moment-showcase .stat .num {
  font-family: ui-serif, "New York", serif;
  font-size: 24px; font-weight: 500; letter-spacing: -0.6px;
  line-height: 1; color: var(--text);
}
.moment-showcase .stat .lbl {
  font-size: 9px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; color: var(--text-3);
  margin-top: 3px;
}
.moment-showcase .cta {
  background: var(--brand); color: #fff;
  font-weight: 600; font-size: 14px;
  padding: 12px 16px; border-radius: 14px;
  text-align: center;
}

/* Inline wave forms on the "signature" feature row. */
.wave-strip {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-top: 28px;
}
.wave-strip .cell {
  background: var(--card);
  border: 1px solid var(--separator-thin);
  border-radius: 18px;
  padding: 20px 18px 16px;
  text-align: left;
}
.wave-strip .cell .label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--brand-text); margin-bottom: 10px;
}
.wave-strip .cell .demo {
  height: 38px;
  display: flex; align-items: center; justify-content: flex-start;
  margin-bottom: 8px;
}
.wave-strip .cell .demo svg { display: block; }
.wave-strip .cell .desc {
  font-size: 13px; color: var(--text-2); line-height: 1.45;
}

/* ----- Chips ----- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.8px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
}
.chip-brand  { background: var(--brand-soft);  color: var(--brand-text); }
.chip-butter { background: var(--butter-soft); color: var(--butter-text); }
.chip-rose   { background: var(--rose-soft);   color: var(--rose-text); }
.chip-green  { background: var(--green-soft);  color: var(--green-text); }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px;
  cursor: pointer; text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(224,133,96,0.30);
}
.btn-primary:hover { box-shadow: 0 10px 26px rgba(224,133,96,0.36); }
.btn-ghost {
  color: var(--text);
  background: transparent;
  border: 1.5px solid var(--text);
}
.closing-cta { text-align: center; padding: 72px 22px 64px; }
.closing-cta h2 { margin-bottom: 12px; }
.closing-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}
.app-store-badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
  line-height: 0;
  transition: transform 120ms ease, box-shadow 120ms ease;
  border-radius: 10px;
}
.app-store-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0,0,0,0.22);
}

/* ----- Cards ----- */
.card {
  background: var(--card);
  border: 1px solid var(--separator-thin);
  border-radius: var(--r-card);
  padding: 24px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(43,31,26,0.05);
}
/* Tinted card variants used in feature grids */
.card.coral  { background: var(--brand-soft);  border-color: rgba(224,133,96,0.22); }
.card.butter { background: var(--butter-soft); border-color: rgba(242,194,75,0.32); }
.card.rose   { background: var(--rose-soft);   border-color: rgba(239,199,194,0.45); }

.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card .tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 10px;
}
.card .tag .dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}
.card.coral  .tag { color: var(--brand-text); }
.card.coral  .tag .dot { background: var(--brand); }
.card.butter .tag { color: var(--butter-text); }
.card.butter .tag .dot { background: var(--butter); }
.card.rose   .tag { color: var(--rose-text); }
.card.rose   .tag .dot { background: #DB7C72; }
.card .num {
  font-family: ui-serif, "New York", serif;
  font-size: 13px; font-weight: 600;
  color: var(--brand-text);
  letter-spacing: 0.4px;
  display: block; margin-bottom: 12px;
}

/* ----- Callouts ----- */
.callout {
  padding: 18px 20px;
  border-radius: var(--r-card);
  border: 1px solid;
  font-size: 14.5px;
  margin: 22px 0;
}
.callout-orange { background: var(--butter-soft); border-color: rgba(242,194,75,0.40); color: var(--butter-text); }
.callout-brand  { background: var(--brand-soft); border-color: rgba(224,133,96,0.30); color: var(--brand-text); }
.callout-rose   { background: var(--rose-soft);  border-color: rgba(239,199,194,0.45); color: var(--rose-text); }

/* ----- Hero ----- */
.hero {
  text-align: center;
  padding: 110px 24px 90px;
  background:
    radial-gradient(ellipse 85% 60% at 50% 0%, rgba(224,133,96,0.12), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 30%, rgba(242,194,75,0.08), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--separator-thin);
}
.hero h1 { font-size: 62px; line-height: 1.04; max-width: 13ch; margin: 0 auto 6px; }
.hero .lede {
  font-size: 19px; color: var(--text-2);
  max-width: 52ch; margin: 22px auto 30px;
}

/* ----- Pricing ----- */
.price-row {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 32px;
}
/* Two-tier variant — keep the cards from ballooning when there are only
   two of them filling a wide container. */
.price-row.price-row-2up {
  max-width: 580px;
  margin-left: auto; margin-right: auto;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}
@media (max-width: 540px) {
  .price-row.price-row-2up { grid-template-columns: 1fr; }
}
.price-card {
  background: var(--card);
  border: 1px solid var(--separator-thin);
  border-radius: var(--r-card);
  padding: 28px 22px;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.price-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(43,31,26,0.06);
}
.price-card.featured {
  background: var(--brand-soft);
  border-color: rgba(224,133,96,0.40);
  position: relative;
  box-shadow: 0 14px 28px rgba(224,133,96,0.18);
}
.price-card.featured::before {
  content: "Recommended";
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  font-size: 10px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase;
  background: var(--brand); color: #fff;
  padding: 4px 12px; border-radius: var(--r-pill);
  box-shadow: 0 4px 10px rgba(224,133,96,0.40);
}
.price-card .tier {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--text-2); margin-bottom: 12px;
}
.price-card.featured .tier { color: var(--brand-text); }
.price-card .price {
  font-family: ui-serif, "New York", serif;
  font-size: 44px; font-weight: 500; letter-spacing: -1.4px;
  margin-bottom: 4px;
}
.price-card .period { color: var(--text-2); font-size: 14px; margin-bottom: 14px; }
.price-card .note {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--butter-text);
  background: var(--butter-soft);
  padding: 5px 10px;
  border-radius: var(--r-pill);
  display: inline-block;
}

/* ----- Document layout (privacy / terms / support) ----- */
.doc { padding: 64px 0 96px; }
.doc .breadcrumb {
  font-size: 13px; color: var(--text-2); margin-bottom: 22px;
}
.doc .breadcrumb a { color: var(--text-2); margin-right: 14px; }
.doc h1 { margin-bottom: 6px; }
.doc .effective { color: var(--text-2); font-size: 14px; margin-bottom: 28px; }
.doc h2 { margin: 48px 0 12px; font-size: 22px; }
.doc h3 { margin: 24px 0 6px; }
.doc p, .doc li { font-size: 16px; }
.doc ul { padding-left: 22px; margin: 0 0 12px; }
.doc li { margin-bottom: 6px; }

.contact-card {
  background: var(--brand-soft);
  border: 1px solid rgba(224,133,96,0.28);
  border-radius: var(--r-card);
  padding: 28px;
  margin: 22px 0 32px;
}
.contact-card .label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--brand-text);
  margin-bottom: 10px;
}
.contact-card .email {
  font-family: ui-serif, "New York", serif;
  font-size: 26px; font-weight: 500;
  margin-bottom: 6px;
  letter-spacing: -0.4px;
}
.contact-card .email a { color: var(--text); }
.contact-card .turnaround { color: var(--text-2); font-size: 14px; }

/* ----- Footer ----- */
footer {
  padding: 50px 28px 70px;
  text-align: center;
  border-top: 1px solid var(--separator-thin);
  background: var(--bg);
  color: var(--text-2);
  font-size: 13px;
}
footer nav { margin-bottom: 14px; }
footer nav a { margin: 0 10px; color: var(--text-2); }
footer .meta { font-size: 12px; color: var(--text-3); margin-top: 6px; }

/* ----- "Inside Curve" screenshot rail -----
   Horizontal-scroll gallery of the App Store promo frames. Feels like the
   native App Store screenshot strip — drag to advance, scroll-snap so each
   phone settles into place. Same rail on every screen size so the design
   reads consistently. */
.shot-rail {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 28px 28px;        /* room for drop shadow + horizontal breath */
  margin: 12px -28px 0;          /* bleed past .container so phones touch edge */
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--brand-soft) transparent;
  scrollbar-width: thin;
}
.shot-rail::-webkit-scrollbar { height: 8px; }
.shot-rail::-webkit-scrollbar-thumb {
  background: var(--brand-soft);
  border-radius: var(--r-pill);
}
.shot {
  flex: 0 0 auto;
  width: 268px;
  margin: 0;
  scroll-snap-align: start;
}
.shot img {
  width: 100%;
  height: auto;
  border-radius: 26px;
  box-shadow:
    0 22px 46px -22px rgba(43,31,26,0.22),
    0 2px 6px rgba(43,31,26,0.04);
}
.shot figcaption {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.5;
  padding: 0 6px;
}
.shot figcaption strong {
  color: var(--text);
  font-weight: 600;
}

/* ----- Responsive ----- */
@media (max-width: 640px) {
  section { padding: 60px 0; }
  .hero { padding: 68px 22px 60px; }
  .hero h1 { font-size: 42px; }
  .hero .lede { font-size: 17px; }
  h2 { font-size: 26px; }
  .doc h1 { font-size: 32px; }
  .topbar nav a { margin-left: 14px; }
  .container { padding: 0 22px; }
  .shot-rail { margin: 12px -22px 0; padding: 8px 22px 24px; }
  .shot { width: 72vw; max-width: 280px; }
}