/* ThyroRelief Landing — premium Apple-like, fast, accessible (WCAG AA) */
:root{
  --container: 1120px;
  --gutter: clamp(16px, 4vw, 28px);

  /* extracted accent family (label maroon) + modern pastels */
  --a1:#6e1d3a; /* maroon */
  --a2:#c9a2ae; /* rose */
  --a3:#f6eef2; /* blush */
  --p1:#d7eef1; /* mint */
  --p2:#f3d7c7; /* peach */
  --p3:#e6ddff; /* lavender */

  --radius: 22px;
  --radius2: 16px;

  --shadow: 0 10px 30px rgba(15,18,25,.12);
  --shadow2: 0 18px 48px rgba(15,18,25,.18);

  --ease: cubic-bezier(.2,.9,.2,1);
  --dur: 240ms;
  --dur2: 520ms;

  --bg: #fbf8f5;
  --surface: rgba(255,255,255,.72);
  --surface2: rgba(255,255,255,.86);
  --text: #151018;
  --muted:#5f5864;
  --border: rgba(26, 18, 30, .14);

  --ctaGrad: linear-gradient(135deg, var(--a1) 0%, #a24c6e 42%, var(--p2) 100%);
  --g1: radial-gradient(900px 520px at 15% 8%, rgba(215,238,241,.80), transparent 55%),
        radial-gradient(900px 520px at 88% 12%, rgba(230,221,255,.75), transparent 55%),
        radial-gradient(780px 520px at 82% 82%, rgba(243,215,199,.75), transparent 55%),
        linear-gradient(180deg, #fff, #fbf8f5);
  --g2: radial-gradient(720px 420px at 20% 20%, rgba(201,162,174,.18), transparent 60%),
        radial-gradient(620px 360px at 80% 10%, rgba(110,29,58,.12), transparent 62%);

  color-scheme: light;
}

html[data-theme="dark"]{
  --bg: #09080c;
  --surface: rgba(18, 15, 20, .66);
  --surface2: rgba(18, 15, 20, .82);
  --text: #f5f2f7;
  --muted:#bdb5c5;
  --border: rgba(255,255,255,.14);

  --g1: radial-gradient(900px 520px at 20% 10%, rgba(110,29,58,.46), transparent 55%),
        radial-gradient(820px 520px at 88% 18%, rgba(230,221,255,.24), transparent 55%),
        radial-gradient(820px 520px at 70% 92%, rgba(215,238,241,.18), transparent 55%),
        linear-gradient(180deg, #0a0910, #07060b);

  --g2: radial-gradient(720px 420px at 18% 22%, rgba(201,162,174,.18), transparent 60%),
        radial-gradient(620px 360px at 84% 18%, rgba(243,215,199,.12), transparent 62%);

  color-scheme: dark;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
html, body { overflow-x: hidden; overflow-x: clip; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--g1);
  color: var(--text);
  line-height: 1.45;
  text-rendering: optimizeLegibility;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration: none; }
img{ max-width:100%; height:auto; display:block; }
button{ font:inherit; color:inherit; }

.container{
  width:min(var(--container), 100%);
  margin-inline:auto;
  padding-inline: var(--gutter);
}

.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: var(--gutter); top: 12px; width:auto; height:auto;
  background: var(--surface2); border:1px solid var(--border);
  padding:10px 12px; border-radius: 12px; z-index: 9999;
}

header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(255,255,255,.62), rgba(255,255,255,.18));
  border-bottom: 1px solid rgba(255,255,255,.10);
}
html[data-theme="dark"] header{
  background: linear-gradient(180deg, rgba(10,9,16,.72), rgba(10,9,16,.18));
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.progress{
  position: fixed;
  top:0; left:0; height:2px;
  background: var(--ctaGrad);
  width:0%;
  z-index: 999;
}

.navbar{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 12px;
}

.brand{
  display:flex; align-items:center; gap:12px;
  min-width: 0;
}
.brand__mark{
  width: 34px; height: 34px;
  flex: 0 0 auto;
}
.brand__name{
  font-weight: 700;
  letter-spacing: .2px;
  font-size: 14px;
  line-height: 1.1;
}
.brand__tag{
  font-size: 12px;
  color: var(--muted);
}

.nav-links{
  display:flex; align-items:center; gap: 14px;
}
.nav-links a{
  font-size: 13px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
}
.nav-links a:hover{
  background: rgba(110,29,58,.08);
  color: var(--text);
}
html[data-theme="dark"] .nav-links a:hover{
  background: rgba(201,162,174,.14);
}

.nav-actions{
  display:flex; align-items:center; gap:10px;
}

.icon-btn{
  display:inline-flex; align-items:center; justify-content:center;
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
  cursor:pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.icon-btn:hover{ transform: translateY(-1px); box-shadow: 0 12px 26px rgba(0,0,0,.10); }
.icon-btn:focus-visible{ outline: 3px solid rgba(215,238,241,.9); outline-offset: 3px; }

.lang{
  position: relative;
}
.lang-pop{
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 210px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface2);
  box-shadow: var(--shadow2);
  padding: 8px;
  display:none;
  z-index: 120;
}
.lang[data-open="true"] .lang-pop{ display:block; }
.lang-pop a{
  display:flex; align-items:center; justify-content: space-between;
  padding: 10px 10px;
  border-radius: 12px;
  font-size: 13px;
  color: var(--text);
}
.lang-pop a span{ color: var(--muted); font-size: 12px; }
.lang-pop a:hover{ background: rgba(110,29,58,.08); }
html[data-theme="dark"] .lang-pop a:hover{ background: rgba(201,162,174,.14); }

.hamburger{ display:none; }

@media (max-width: 900px){
  .nav-links{ display:none; }
  .hamburger{ display:inline-flex; }
}

/* Sections */
section{
  padding-block: 30px;
}
.hero{
  padding-top: 22px;
  padding-bottom: 30px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(18px, 4vw, 42px);
  align-items: center;
}
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; text-align:center; }
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  width: fit-content;
}
@media (max-width: 900px){
  .kicker{ margin-inline:auto; }
}

h1{
  margin: 14px 0 10px;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.9px;
}
.lead{
  margin: 0 0 18px;
  font-size: clamp(15px, 1.55vw, 18px);
  color: var(--muted);
  max-width: 56ch;
}
@media (max-width: 900px){
  .lead{ margin-inline:auto; }
}

.bullets{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 0;
  margin: 16px 0 22px;
  list-style:none;
  max-width: 56ch;
}
@media (max-width: 900px){
  .bullets{ margin-inline:auto; }
}
.bullets li{
  display:flex; gap: 10px;
  align-items:flex-start;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.bullets svg{ flex:0 0 auto; margin-top: 2px; }

.hero__cta{
  display:flex;
  gap: 12px;
  align-items:center;
  flex-wrap: wrap;
}
@media (max-width: 900px){
  .hero__cta{ justify-content:center; }
}

.btn{
  position: relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
  background: transparent;
  cursor:pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:focus-visible{ outline: 3px solid rgba(215,238,241,.9); outline-offset: 3px; }
.btn--primary{
  color: #0b0710;
  background: var(--ctaGrad);
  box-shadow: 0 14px 30px rgba(110,29,58,.22);
}
.btn--primary:hover{ transform: translateY(-1px); box-shadow: 0 20px 44px rgba(110,29,58,.30); }
.btn--ghost{
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
}
.btn--ghost:hover{ transform: translateY(-1px); box-shadow: 0 14px 32px rgba(0,0,0,.12); }

.badges{
  margin-top: 14px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12px;
}
@media (max-width:900px){
  .badges{ justify-content:center; }
}
.badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.hero__media{
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--g2);
  box-shadow: var(--shadow2);
  overflow:hidden;
  padding: 18px;
}
.hero__media::before{
  content:"";
  position:absolute; inset:-40px;
  background: radial-gradient(400px 260px at 30% 20%, rgba(243,215,199,.52), transparent 55%),
              radial-gradient(320px 240px at 75% 45%, rgba(215,238,241,.42), transparent 58%);
  opacity: .9;
}
.hero__media img{
  position: relative;
  margin-inline:auto;
  width: min(420px, 88%);
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.18));
}

/* Card/grid sections */
.section-title{
  font-size: clamp(22px, 2.4vw, 34px);
  letter-spacing: -0.5px;
  margin: 0 0 10px;
}
.section-sub{
  margin:0 0 18px;
  color: var(--muted);
  max-width: 70ch;
}
@media (max-width:900px){
  .section-sub{ text-align:center; margin-inline:auto; }
}

.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px){
  .grid3{ grid-template-columns: 1fr; }
}

.card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow:hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover{ transform: translateY(-2px); box-shadow: var(--shadow2); }
.card__inner{ padding: 16px; display:flex; flex-direction: column; gap: 10px; height:100%; }
.card h3{ margin:0; font-size: 16px; letter-spacing:-.2px; }
.card p{ margin:0; color: var(--muted); font-size: 13px; }

/* Experience */
.experience{
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.60), rgba(255,255,255,.22));
  box-shadow: var(--shadow2);
  overflow:hidden;
}
html[data-theme="dark"] .experience{
  background: linear-gradient(180deg, rgba(18,15,20,.68), rgba(18,15,20,.26));
}
.experience__wrap{
  display:grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 0;
}
@media (max-width: 900px){
  .experience__wrap{ grid-template-columns: 1fr; }
}
.experience__steps{
  padding: 18px;
}
.step{
  padding: 14px 14px;
  border-radius: 18px;
  border: 1px solid transparent;
  margin-bottom: 12px;
  background: rgba(255,255,255,.00);
}
html[data-theme="dark"] .step{ background: rgba(255,255,255,.00); }
.step.is-active{
  border-color: rgba(110,29,58,.24);
  background: rgba(201,162,174,.12);
}
.step__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 34px; height: 34px;
  border-radius: 14px;
  background: rgba(110,29,58,.12);
  border: 1px solid rgba(110,29,58,.22);
  margin-right: 10px;
}
.step h3{ margin: 0 0 6px; font-size: 16px; }
.step p{ margin: 0; color: var(--muted); font-size: 13px; }

.experience__media{
  position: relative;
  padding: 18px;
  border-left: 1px solid var(--border);
}
@media (max-width:900px){
  .experience__media{ border-left:0; border-top:1px solid var(--border); }
}
.sticky{
  position: sticky;
  top: 86px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--g2);
  overflow:hidden;
  min-height: 380px;
  box-shadow: var(--shadow);
}
@media (max-width:900px){
  .sticky{ position: relative; top:auto; min-height: 320px; }
}
.sticky__img{
  position:absolute;
  inset: 0;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur2) var(--ease), transform var(--dur2) var(--ease);
}
.sticky__img.is-active{ opacity: 1; transform: translateY(0); }
.sticky__img img{ width: min(420px, 78%); filter: drop-shadow(0 18px 30px rgba(0,0,0,.18)); }

/* Ingredients */
.pills{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.pill{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
}
.pill svg{ flex:0 0 auto; }

/* Pricing */
.pricing-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}
@media (max-width: 900px){
  .pricing-grid{ grid-template-columns: 1fr; }
}
.plan{
  display:flex;
  flex-direction: column;
  align-items: stretch;
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--border);
  background: var(--surface2);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.plan__head{
  padding: 16px;
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap:10px;
  border-bottom: 1px solid var(--border);
}
.plan__name{ margin:0; font-size: 16px; letter-spacing:-.2px; }
.plan__tag{
  font-size: 12px; color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.35);
}
html[data-theme="dark"] .plan__tag{ background: rgba(255,255,255,.08); }
.plan__body{ padding: 16px; display:flex; flex-direction: column; gap: 12px; height:100%; }
.plan__media{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--g2);
  padding: 14px;
}
.plan__media img{ margin-inline:auto; width: min(360px, 88%); }
.price{
  display:flex; align-items:baseline; gap:8px; flex-wrap:wrap;
}
.price strong{
  font-size: 30px;
  letter-spacing: -0.6px;
}
.price span{ color: var(--muted); font-size: 13px; }

.ul{
  list-style:none;
  padding: 0;
  margin: 0;
  display:grid;
  gap: 8px;
}
.ul li{
  display:flex; gap: 10px;
  align-items:flex-start;
  color: var(--muted);
  font-size: 13px;
}
.ul svg{ flex:0 0 auto; margin-top:2px; }

.plan__cta{
  margin-top: auto;
  display:grid;
  gap: 10px;
  padding-top: 6px;
}
.plan__cta .btn{ width: 100%; }
.note{ color: var(--muted); font-size: 12px; }

/* Guarantee */
.guarantee{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 16px;
  align-items:center;
}
@media (max-width: 900px){
  .guarantee{ grid-template-columns: 1fr; text-align:center; }
}
.guarantee__img{
  display:flex; justify-content:center;
}
.guarantee__img img{ width: min(240px, 72%); }

/* FAQ */
.faq{
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow:hidden;
}
details{
  border-top: 1px solid var(--border);
  padding: 14px 16px;
}
details:first-child{ border-top:0; }
summary{
  cursor:pointer;
  list-style:none;
  font-weight: 650;
  letter-spacing: -.2px;
}
summary::-webkit-details-marker{ display:none; }
details p{
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* Footer */
footer{
  padding-block: 26px 30px;
  border-top: 1px solid rgba(255,255,255,.08);
  color: var(--muted);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
}
@media (max-width:900px){
  .footer-grid{ grid-template-columns: 1fr; text-align:center; }
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}
@media (max-width:900px){
  .footer-links{ justify-content:center; }
}
.footer-links a{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.footer-links a:hover{ background: rgba(110,29,58,.08); color: var(--text); }

/* Reveal motion */
[data-reveal]{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur2) var(--ease), transform var(--dur2) var(--ease);
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; transition-duration: 1ms !important; animation-duration: 1ms !important; }
  [data-reveal]{ opacity:1 !important; transform:none !important; }
}

/* Mobile floating CTA */
.floating-cta{
  display:none;
}
@media (max-width: 900px){
  .floating-cta{
    display:block;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, rgba(10,9,16,0), rgba(10,9,16,.42));
    z-index: 80;
    pointer-events:none;
  }
  html[data-theme="dark"] .floating-cta{ background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.58)); }
  .floating-cta__inner{
    pointer-events:auto;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--surface2);
    box-shadow: var(--shadow2);
    padding: 10px;
    display:flex; align-items:center; justify-content:space-between; gap:10px;
  }
  .floating-cta__inner strong{ font-size: 13px; }
  .floating-cta__inner span{ font-size: 12px; color: var(--muted); }
  .floating-cta__inner .btn{ width: auto; padding-inline: 14px; }
}

/* Mobile drawer (dialog) */
dialog#mobile-drawer{
  width: 100vw;
  max-width: none;
  height: 100vh;
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
}
dialog#mobile-drawer::backdrop{
  background: rgba(0,0,0,.42);
}
.drawer{
  position: fixed;
  inset: 0;
  display:grid;
  grid-template-rows: auto 1fr;
  padding: 14px var(--gutter) calc(18px + env(safe-area-inset-bottom));
  background: rgba(251,248,245,.86);
  backdrop-filter: blur(14px);
}
html[data-theme="dark"] .drawer{
  background: rgba(10,9,16,.82);
}
.drawer__top{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding-top: env(safe-area-inset-top);
}
.drawer__nav{
  margin-top: 14px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface2);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.drawer__nav a{
  display:flex; justify-content:space-between; align-items:center;
  padding: 14px 14px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.drawer__nav a:first-child{ border-top:0; }
.drawer__nav a:hover{ background: rgba(110,29,58,.08); }
html[data-theme="dark"] .drawer__nav a:hover{ background: rgba(201,162,174,.14); }

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


/* Small ingredient icons */
.mini-ico{
  display:inline-block;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  padding:6px;
}


.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; }