/* Streaks by Challengers — shared styles */

:root {
  --primary: #666F7E;
  --bg: #F8F6F3;
  --card: #FFFFFF;
  --text: #666F7E;
  --muted: #666F7E;          /* solid in light mode to keep AA contrast */
  --label: #666F7E;
  --border: rgba(102, 111, 126, 0.12);
  --track: rgba(102, 111, 126, 0.09);
  --empty: #E5E7EB;
  --frame: #2B2F3A;
  --on-primary: #F8F6F3;

  --g-wake: linear-gradient(90deg, #FFCD02, #FEA50E, #FD7D1A);
  --g-deep: linear-gradient(90deg, #9EF01A, #38B000, #006400);
  --g-momentum: linear-gradient(90deg, #58A7F8, #316DF0, #214DF5);
  --g-wind: linear-gradient(90deg, #C3B6FD, #A78BD8, #7E63C4);

  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #A9B0BC;
    --bg: #050723;
    --card: #10133A;
    --text: #A9B0BC;
    --muted: rgba(169, 176, 188, 0.8);
    --label: rgba(169, 176, 188, 0.7);
    --border: rgba(169, 176, 188, 0.12);
    --track: rgba(169, 176, 188, 0.1);
    --empty: #1A1A1A;
    --frame: #23275A;
    --on-primary: #050723;
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--primary); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: 12px; top: -60px;
  background: var(--card); padding: 8px 14px; border-radius: 10px; border: 1px solid var(--border);
  z-index: 100;
}
.skip:focus { top: 12px; }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

h1, h2, h3 { color: var(--text); line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 6vw, 3rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.55rem, 4vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 650; }
p { margin: 0 0 1em; }

.label {
  display: block;
  font-size: 12px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase;
  color: var(--label); margin-bottom: 10px;
}
.lead { font-size: 1.15rem; color: var(--muted); }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; font-weight: 600; }

/* Header */
.site-header { padding: 14px 0; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; text-decoration: none; color: var(--text); }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover { text-decoration: underline; }
@media (max-width: 560px) { .nav .nav-link { display: none; } }

/* Segmented switch (EN | FR) */
.seg {
  position: relative; display: inline-flex; padding: 3px;
  background: var(--track); border-radius: 999px;
}
.seg::before {
  content: ""; position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc(50% - 3px);
  background: var(--card); border: 1px solid var(--border); border-radius: 999px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: transform 0.35s ease;
}
html[lang^="fr"] .seg::before { transform: translateX(100%); }
.seg a {
  position: relative; z-index: 1; min-width: 44px; text-align: center;
  padding: 5px 12px; font-size: 13px; font-weight: 600; text-decoration: none; border-radius: 999px;
  color: var(--muted);
}
.seg a[aria-current="true"] { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 22px; border-radius: 14px; font-weight: 600; font-size: 16px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-secondary { background: var(--card); color: var(--primary); border-color: var(--border); }
.btn svg { width: 20px; height: 20px; }

.badge-link { display: inline-block; border-radius: 10px; }
.badge-link img { height: 48px; width: auto; }

/* Sections and cards */
section { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 32px; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px;
}
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 640px) and (max-width: 959px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.icon {
  width: 40px; height: 40px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--track); color: var(--primary); margin-bottom: 14px;
}
.icon svg { width: 22px; height: 22px; }
svg.i { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* Hero */
.hero { padding: 40px 0 56px; text-align: center; }
.hero .lead { max-width: 560px; margin: 0 auto 28px; }
.hero h1 { max-width: 720px; margin-left: auto; margin-right: auto; }
.hero-cta { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.note { font-size: 14px; color: var(--muted); }

.smiley-wrap { width: 180px; height: 180px; margin: 0 auto 28px; display: flex; align-items: center; justify-content: center; }
.smiley { width: 180px; height: 180px; border-radius: 50%; transform: scale(0.55); animation: breathe 16s ease-in-out infinite; }
.smiley-sm { width: 120px; height: 120px; }
.smiley-wrap.sm { width: 120px; height: 120px; margin: 0 0 20px; }

@keyframes breathe {
  0%   { transform: scale(0.55); }  /* breathe in, 4 s */
  25%  { transform: scale(1); }     /* hold, 4 s */
  50%  { transform: scale(1); }     /* breathe out, 4 s */
  75%  { transform: scale(0.55); }  /* hold, 4 s */
  100% { transform: scale(0.55); }
}

.fade { animation: fadeUp 0.9s ease both; }
.fade-2 { animation-delay: 0.15s; }
.fade-3 { animation-delay: 0.3s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* App pages cards */
.feature { display: flex; flex-direction: column; }
.feature p { color: var(--muted); }
.feature .phone { margin-top: auto; }

.phone {
  width: min(210px, 72%); margin: 12px auto 0; aspect-ratio: 9 / 19.5;
  border: 8px solid var(--frame); border-radius: 38px; background: var(--empty); overflow: hidden;
}
.phone img { width: 100%; height: 100%; object-fit: cover; }

.rituals { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; padding: 0; list-style: none; }
.rituals li { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; padding: 4px 12px 4px 4px; border-radius: 999px; background: var(--track); }
.dot { width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff; }
.dot svg { width: 14px; height: 14px; }
.g-wake { background: var(--g-wake); }
.g-deep { background: var(--g-deep); }
.g-momentum { background: var(--g-momentum); }
.g-wind { background: var(--g-wind); }

.heatmap { display: grid; grid-template-columns: repeat(18, 1fr); gap: 3px; margin: 0 0 14px; }
.heatmap span { aspect-ratio: 1; border-radius: 3px; background: var(--empty); }
.heatmap .h1 { background: #38B000; opacity: 0.35; }
.heatmap .h2 { background: #38B000; opacity: 0.6; }
.heatmap .h3 { background: #38B000; opacity: 0.85; }
.heatmap .h4 { background: #006400; }

/* Split layouts */
.split { display: grid; gap: 32px; align-items: center; }
@media (min-width: 860px) { .split { grid-template-columns: 1.1fr 0.9fr; gap: 56px; } }
.split .phone { width: min(240px, 70%); }

.steps { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 20px; padding: 0; list-style: none; }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 15px; }

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

.tile { display: flex; gap: 14px; align-items: flex-start; }
.tile .icon { flex: none; margin: 0; }
.tile h3 { margin-bottom: 4px; font-size: 1.05rem; }
.tile p { margin: 0; color: var(--muted); font-size: 15px; }

.privacy-band { text-align: center; }
.privacy-band .icon { width: 56px; height: 56px; border-radius: 16px; }
.privacy-band .icon svg { width: 28px; height: 28px; }
.privacy-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 20px 0 24px; padding: 0; list-style: none; }
.privacy-list li { background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-weight: 600; font-size: 15px; }

.price { display: flex; align-items: baseline; gap: 12px; margin: 4px 0 28px; }
.price .amount { font-size: 2rem; font-variant-numeric: tabular-nums; font-weight: 700; }
.premium .card { position: relative; overflow: hidden; }
.premium .card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; }
.premium .card:nth-child(1)::before { background: var(--g-wake); }
.premium .card:nth-child(2)::before { background: var(--g-deep); }
.premium .card:nth-child(3)::before { background: var(--g-momentum); }
.premium .card:nth-child(4)::before { background: var(--g-wind); }
.premium .card p { color: var(--muted); margin: 0; font-size: 15px; }

.cta { text-align: center; }
.cta .card { padding: 48px 20px; }

/* Prose pages */
.page-head { padding-top: 40px; padding-bottom: 8px; }
.meta { font-size: 14px; color: var(--muted); }
.prose { padding-top: 16px; padding-bottom: 64px; }
.prose h2 { font-size: 1.3rem; margin-top: 2em; }
.prose h3 { margin-top: 1.4em; }
.prose ul { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin-bottom: 0.4em; }
.prose .card { margin: 1.2em 0; }
.prose address { font-style: normal; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 20px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 600; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 4px; top: 50%; width: 9px; height: 9px; margin-top: -6px;
  border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(45deg);
  transition: transform 0.3s ease;
}
.faq details[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.faq details > div { padding: 0 0 18px; color: var(--muted); }
.faq details > div p:last-child { margin-bottom: 0; }

.contact-card { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0 48px; font-size: 15px; }
.footer-grid { display: grid; gap: 28px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.2fr 1fr auto; align-items: start; } }
.footer-links { display: grid; gap: 8px; padding: 0; margin: 0; list-style: none; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-end { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.copy { margin-top: 28px; color: var(--muted); font-size: 14px; }

/* 404 */
.notfound { text-align: center; padding-top: 64px; padding-bottom: 64px; }
.notfound .cols { display: grid; gap: 16px; margin-top: 24px; text-align: left; }
@media (min-width: 640px) { .notfound .cols { grid-template-columns: 1fr 1fr; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .smiley { transform: scale(0.85); }
}