/* VitalFlow — premium Apple-like landing (WCAG AA oriented) */
:root{
  --bg: #0b0f19;
  --bg2:#0f1527;
  --card:#111a2f;
  --text:#e8edf7;
  --muted:#b8c3d8;
  --line: rgba(255,255,255,.10);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --accent:#F58B2A;
  --accent2:#FFB05B;
  --accent3:#FF6A3D;
  --good:#2EE59D;
  --radius: 24px;
  --container: 1120px;
  --pad-section: 30px;
  --header-h: 74px;
  --focus: 0 0 0 3px rgba(245,139,42,.45), 0 0 0 1px rgba(255,255,255,.25) inset;
}
:root[data-theme="light"]{
  --bg:#f6f8ff;
  --bg2:#ffffff;
  --card:#ffffff;
  --text:#0b0f19;
  --muted:#334155;
  --line: rgba(15,23,42,.12);
  --shadow: 0 14px 50px rgba(2,6,23,.12);
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(900px 500px at 85% 15%, color-mix(in srgb, var(--accent2) 18%, transparent), transparent 58%),
    radial-gradient(800px 520px at 60% 110%, color-mix(in srgb, var(--accent3) 14%, transparent), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:clip;
}

/* bubble texture (subtle) */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,.06) 0 2px, transparent 3px),
    radial-gradient(circle at 78% 22%, rgba(255,255,255,.05) 0 2px, transparent 3px),
    radial-gradient(circle at 62% 72%, rgba(255,255,255,.04) 0 2px, transparent 3px),
    radial-gradient(circle at 22% 78%, rgba(255,255,255,.04) 0 2px, transparent 3px);
  opacity:.55;
  mix-blend-mode: overlay;
}

a{color:inherit}
img{max-width:100%; height:auto; display:block}
button{font:inherit}
:focus-visible{outline:none; box-shadow: var(--focus); border-radius: 12px}
::selection{background: color-mix(in srgb, var(--accent) 25%, transparent)}

/* Layout */
.container{
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
}
main{display:block}
.section{
  padding: var(--pad-section) 0;
  border-top:1px solid var(--line);
  min-height: auto;
}
.section--full{min-height: 100svh;}

.section--hero{padding:0 0 var(--pad-section); border-top:none}
.section--compact{min-height:auto}
.section:first-child{border-top:none}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 12px;
  border:1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  backdrop-filter: blur(10px);
  color: var(--muted);
  font-size: 12px;
  letter-spacing:.08em;
  text-transform: uppercase;
}
.kicker .dot{
  width:8px;height:8px;border-radius:99px;
  background:linear-gradient(135deg,var(--accent),var(--accent2),var(--accent3));
  box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 24%, transparent);
}

h1,h2,h3{margin:0 0 10px}
h1{
  font-size: clamp(34px, 4vw, 54px);
  line-height:1.05;
  letter-spacing:-.02em;
}
h2{
  font-size: clamp(26px, 2.5vw, 34px);
  letter-spacing:-.02em;
}
h3{
  font-size: 18px;
  letter-spacing:-.01em;
}
p{margin:0 0 12px; color:var(--muted); line-height:1.6}
ul{margin:0; padding-left: 18px; color:var(--muted)}
li{margin: 8px 0}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:50;
  height: var(--header-h);
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 68%, transparent);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:100%;
  display:grid;
  grid-template-columns: auto 1fr auto;
  align-items:center;
  gap:14px;
}
.nav{justify-content:center}
.header-actions{justify-content:flex-end}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand svg{width:auto;height:auto}
.brand-name{
  font-weight:700;
  letter-spacing:-.02em;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

/* Skip link (WCAG bypass blocks): hidden until focus */
.skip-link{
  position:absolute;
  left:-9999px; top:auto;
  width:1px; height:1px;
  overflow:hidden;
  z-index:999;
}
.skip-link:focus{
  left:16px; top:16px;
  width:auto; height:auto;
  padding:10px 12px;
  border-radius:12px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border:1px solid var(--line);
}

/* Header nav */
.nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav a{
  text-decoration:none;
  color: color-mix(in srgb, var(--muted) 88%, var(--text));
  padding:10px 12px;
  border-radius:999px;
  border:1px solid transparent;
}
.nav a:hover{
  color: var(--text);
  background: color-mix(in srgb, var(--card) 68%, transparent);
  border-color: var(--line);
}

.lang-switch select{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  background: color-mix(in srgb, var(--card) 78%, transparent);
  border:1px solid var(--line);
  color: var(--text);
  padding:9px 34px 9px 12px;
  border-radius: 12px;
  line-height:1;
  font-size: 13px;
}
.lang-switch{position:relative}
.lang-switch::after{
  content:"";
  position:absolute;
  right:12px; top:50%;
  width:10px; height:10px;
  transform: translateY(-50%);
  background: currentColor;
  clip-path: polygon(20% 35%, 50% 65%, 80% 35%, 70% 25%, 50% 45%, 30% 25%);
  opacity:.6;
  pointer-events:none;
}

.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 74%, transparent);
  color: var(--text);
}
.icon-btn svg{display:block}

.brand-logo{width:120px;height:28px;display:block}
.logo--dark{display:none}
html[data-theme="dark"] .logo--light{display:none}
html[data-theme="dark"] .logo--dark{display:block}

/* CTA visibility helpers */
.hide-mobile{display:inline-flex}
@media (max-width: 900px){
  .hide-mobile{display:none !important}
}

/* Hamburger + mobile menu */
.hamburger{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 74%, transparent);
  color: var(--text);
}
.hamburger svg{display:block}
@media (max-width: 900px){
  .nav{display:none}
  .hamburger{display:inline-flex}
}

.mobile-menu{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
}
.mobile-menu.is-open{display:block}
html.nav-open, body.nav-open{overflow:hidden;height:100%}
.mobile-menu__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
}
.mobile-menu__panel{
  position:fixed;
  left:12px; right:12px;
  bottom:max(12px, env(safe-area-inset-bottom));
  max-width:520px;
  margin-inline:auto;
  border-radius:22px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  box-shadow: var(--shadow);
  padding: 14px 14px max(14px, env(safe-area-inset-bottom));
  max-height: calc(100svh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.mobile-menu__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding: 6px 4px 12px;
}
.mobile-menu__title{
  font-weight: 700;
  letter-spacing: -.01em;
}
.mobile-nav{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding: 8px 2px 12px;
  overflow:auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  flex: 1;
}
.mobile-nav a{
  text-decoration:none;
  padding: 12px 12px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  color: var(--text);
}
.mobile-nav a:active{transform: translateY(1px)}
.progress{
  position:absolute;
  left:0; right:0; bottom:0;
  height:2px;
  background: transparent;
}
.progress > span{
  display:block;
  height:2px;
  width: var(--scroll, 0%);
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 18px;
  border:1px solid var(--line);
  text-decoration:none;
  background: color-mix(in srgb, var(--card) 78%, transparent);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  min-height: 44px;
}
.btn:hover{transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 30%, var(--line));}
.btn:active{transform: translateY(0px)}
.btn--primary{
  border:none;
  color:#0b0f19;
  background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent3));
  box-shadow: 0 18px 60px color-mix(in srgb, var(--accent) 20%, transparent);
}
.btn--ghost{
  background: transparent;
  box-shadow:none;
}
.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 65%, transparent);
}
.badge--accent{
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

/* Hero */
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  padding-top: 26px;
  align-items:center;
}
.hero-copy{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  text-align:left;
  gap: 14px;
}
.hero-bullets{
  display:grid;
  gap:8px;
  padding-left:0;
  list-style:none;
}
.hero-bullets li{
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.hero-bullets svg{flex:0 0 auto; margin-top:2px}
.hero-media{
  display:grid;
  place-items:center;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 380px at 50% 20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
    radial-gradient(500px 320px at 70% 70%, color-mix(in srgb, var(--accent3) 12%, transparent), transparent 62%),
    color-mix(in srgb, var(--card) 66%, transparent);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-media picture, .hero-media img{width:min(520px, 100%); object-fit:contain}
.hero-cta-row{display:flex; gap:10px; flex-wrap:wrap}

/* Section lead */
.section-lead{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom: 16px;
}
.section-lead p{max-width: 70ch}
.section-actions{display:flex; gap:10px; align-items:center; flex-wrap:wrap}

/* Cards */
.grid{
  display:grid;
  gap: 14px;
}
.grid--3{grid-template-columns: repeat(3, minmax(0, 1fr))}
.grid--2{grid-template-columns: repeat(2, minmax(0, 1fr))}
.card{
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 76%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  display:flex;
  flex-direction:column;
  align-items:stretch;
  min-height: 100%;
  overflow:hidden;
}
.card .card-top{display:flex; align-items:flex-start; justify-content:space-between; gap:10px}
.card p{margin-bottom: 0}
.card-media{
  display:grid;
  place-items:center;
  margin-top: 12px;
}
.card-media img{width: 100%; max-width: 180px; object-fit:contain}
.card-cta{margin-top:auto; padding-top:14px}

/* Experience / sticky */
.split{
  display:grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 18px;
  align-items:start;
}
.sticky{
  position: sticky;
  top: calc(var(--header-h) + 18px);
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 72%, transparent);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.sticky .media-wrap{
  aspect-ratio: 16/11;
  display:grid;
  place-items:center;
  padding: 16px;
}
.sticky picture, .sticky img{max-width: 520px; width:100%; object-fit:contain}
.sticky .caption{
  padding: 14px 16px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.steps{display:grid; gap: 12px}
.step{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 14px 12px;
  background: color-mix(in srgb, var(--card) 65%, transparent);
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.step:hover{transform: translateY(-1px)}
.step[aria-current="true"]{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
}
.step p{margin: 0}

/* Ingredients */
.ing{
  display:flex;
  gap: 12px;
  align-items:flex-start;
}
.ing .thumb{
  width: 56px;
  height: 56px;
  border-radius: 18px;
  overflow:hidden;
  border:1px solid var(--line);
  flex: 0 0 auto;
  background: rgba(255,255,255,.02);
  display:grid;
  place-items:center;
}
.ing .thumb img{width:100%; height:100%; object-fit:cover}

/* Pricing */
.price{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin: 10px 0 0;
}
.price strong{
  font-size: 28px;
  letter-spacing:-.02em;
}
.price span{color:var(--muted)}
.kpis{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 10px;
}
.kpi{
  display:inline-flex;
  gap:10px;
  align-items:center;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 65%, transparent);
  font-size: 12px;
  color: var(--muted);
}

/* FAQ */
.faq{display:grid; gap: 10px}
.faq-item{
  border:1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  background: color-mix(in srgb, var(--card) 76%, transparent);
}
.faq-item h3{margin:0}
.faq-q{
  width:100%;
  text-align:left;
  padding: 14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  background: transparent;
  border:0;
  color: var(--text);
}
.faq-a{
  padding: 0 16px 14px;
  color: var(--muted);
}
.faq-a[hidden]{display:none}
.chev{
  width:18px; height:18px;
  transition: transform .18s ease;
}
.faq-item[data-open="true"] .chev{transform: rotate(180deg)}

/* Footer */
footer{
  padding: 22px 0 34px;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  gap: 18px;
  flex-wrap:wrap;
}
.small{font-size: 12px; color: var(--muted); line-height:1.55}
.links{display:flex; gap: 12px; flex-wrap:wrap}
.links a{color: var(--muted); text-decoration:none}
.links a:hover{color: var(--text)}

/* Reveal */
.reveal{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{opacity:1; transform: translateY(0)}
.reveal[data-stagger]{transition-delay: calc(var(--stagger, 0) * 90ms)}

/* Language switcher */
.lang{
  position:relative;
}
.lang-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 10px 12px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--card) 72%, transparent);
  color: var(--text);
  min-height: 44px;
}
.lang-panel{
  position:absolute;
  right:0;
  top: calc(100% + 10px);
  min-width: 220px;
  border-radius: 18px;
  border:1px solid var(--line);
  background: color-mix(in srgb, var(--bg2) 80%, transparent);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  padding: 6px;
  display:none;
}
.lang-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding: 10px 10px;
  text-decoration:none;
  border-radius: 14px;
  color: var(--text);
}
.lang-panel a:hover{
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.lang[data-open="true"] .lang-panel{display:block}
.pill{
  font-size: 12px;
  color: var(--muted);
}

/* Utility */
.sr-only{
  position:absolute!important;
  width:1px!important;height:1px!important;
  padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;border:0!important;
}
.skip{
  position:absolute; left: 10px; top: 10px;
  transform: translateY(-140%);
  z-index: 100;
  background: var(--card);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
}
.skip:focus{transform: translateY(0); box-shadow: var(--focus)}
hr{border:0;border-top:1px solid var(--line); margin: 16px 0}

/* Floating CTA (mobile only) */
.floating-cta{
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 70;
  display:none;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg2) 76%, transparent);
  box-shadow: var(--shadow);
  padding: 10px;
}
.floating-cta .row{
  display:flex;
  gap:10px;
  align-items:center;
}
.floating-cta .row .btn{flex:1}

/* Responsive */
@media (max-width: 900px){
  .hero-grid{grid-template-columns: 1fr; padding-top: 18px}
  .hero-copy{align-items:center; text-align:center}
  .hero-cta-row{justify-content:center}

  /* Mobile alignment: center content, keep lists readable */
  .section .container{text-align:center}
  .section-lead{flex-direction:column; align-items:center; text-align:center}
  .section-actions{justify-content:center}

  .card{text-align:center}
  .section .container ul,
  .section .container ol{ text-align:left }
  .card ul, .card ol{ margin-inline:auto; max-width:60ch }
  .card li{ text-align:left }

  /* Hero bullets: keep left-aligned even on centered hero */
  .hero-bullets{
    width:min(520px, 100%);
    margin-inline:auto;
    text-align:left;
  }
  .hero-bullets li{justify-content:flex-start}
  .hero-bullets span{text-align:left}

  .split{grid-template-columns: 1fr}
  .grid--3{grid-template-columns: 1fr}
  .grid--2{grid-template-columns: 1fr}
  .section{min-height: auto}
  .floating-cta{display:block}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{transition:none}
  .btn{transition:none}
  .step{transition:none}
  .chev{transition:none}
}

.hub-return { margin-top: 16px; font-size: 0.875rem; line-height: 1.35; }
.hub-return__link { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.hub-return__link:hover { text-decoration-thickness: 2px; }
.hub-return__link:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 6px; }