/* ==========================================================================
   MySupplements — shared design system
   One stylesheet for every page. Tokens first, then primitives, then
   components. Nothing here uses !important; the cascade is ordered so that
   component classes always beat element selectors (the bug that made CTA
   buttons render dark text: `a{color:inherit}` outranked `.btn{color:#fff}`).
   ========================================================================== */

:root{
  /* Brand — teal matches the logo mark */
  --teal-900:#0a4f4e;
  --teal-800:#0b6260;
  --teal-700:#0e7c7b;
  --teal-600:#12928f;
  --teal-100:#d6e9e8;
  --teal-50:#eff7f6;

  /* Neutrals, biased very slightly toward the accent so they read as chosen */
  --ink:#152029;
  --ink-2:#41525f;
  --ink-3:#6b7c89;
  --line:#e3eaec;
  --line-2:#cdd8dc;
  --surface:#ffffff;
  --surface-2:#f5f8f8;

  /* Semantic */
  --pro:#17845a;
  --con:#c23b32;
  --star:#dc9a26;

  /* Type */
  --font-display:Georgia,"Iowan Old Style","Times New Roman",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;

  /* Space + measure */
  --wrap:1120px;
  --read:720px;
  --pad:20px;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:22px;

  /* Motion — spring generated with Motion's CSS easing tool */
  --spring:500ms linear(0,0.1267,0.3725,0.6136,0.7994,0.921,0.9892,1.0199,1.0283,1.0255,1.0187,1.0118,1.0063,1.0026,1.0005,0.9995,1);
  --ease:220ms cubic-bezier(.22,.61,.36,1);

  --shadow-sm:0 1px 2px rgba(21,32,41,.05);
  --shadow-md:0 6px 20px -10px rgba(21,32,41,.22);
  --shadow-lg:0 24px 60px -32px rgba(14,124,123,.55);
}

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

/* scroll-padding keeps #anchor targets clear of the sticky header */
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}

body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

/* Element defaults — kept at low specificity so components can override */
a{color:var(--teal-800);text-decoration:none}
a:hover{color:var(--teal-600)}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.15;text-wrap:balance}

:focus-visible{outline:3px solid var(--teal-600);outline-offset:2px;border-radius:4px}

/* ---------- layout primitives ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.read{max-width:var(--read);margin-inline:auto}
.stack>*+*{margin-top:16px}
.section{padding-block:clamp(40px,6vw,72px)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- type ---------- */
.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;line-height:1.1}
.h1{font-size:clamp(31px,5.2vw,52px)}
.h2{font-size:clamp(25px,3.6vw,36px)}
.h3{font-size:clamp(20px,2.6vw,26px)}
.lead{font-size:clamp(18px,2.1vw,21px);line-height:1.55;color:var(--ink)}
.muted{color:var(--ink-2)}
.small{font-size:14px;color:var(--ink-3)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--teal-700);font-family:var(--font-sans)}
.accent{color:var(--teal-700)}

/* ---------- advertising disclosure ---------- */
.advbar{background:var(--surface-2);border-bottom:1px solid var(--line)}
.advbar .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-block:8px}
.advtag{font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--ink-3);border-radius:4px;padding:3px 7px;flex:0 0 auto}
.advtxt{font-size:12px;color:var(--ink-3);line-height:1.4}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{height:28px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font-size:15px;font-weight:600;color:var(--ink-2);padding:8px 12px;border-radius:var(--r-sm);transition:color var(--ease),background var(--ease)}
.nav a:hover{color:var(--teal-800);background:var(--teal-50)}
.nav a[aria-current="page"]{color:var(--teal-800);background:var(--teal-50)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-2);background:var(--surface);border-radius:var(--r-sm);cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}

/* ---------- buttons ----------
   Class selectors (0,1,0) beat the bare `a` element rule (0,0,1), so button
   text colour is never inherited from the link default. */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-sans);font-size:16px;font-weight:700;line-height:1;
  color:#fff;background:var(--teal-700);
  border:1px solid transparent;border-radius:var(--r-md);
  padding:15px 26px;cursor:pointer;text-align:center;
  box-shadow:var(--shadow-md);
  transition:background var(--ease),transform var(--spring),box-shadow var(--ease);
}
.btn:hover{background:var(--teal-800);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(14,124,123,.75)}
.btn:active{transform:translateY(0)}
.btn .arw{transition:transform var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-block{width:100%;max-width:420px}
.btn-lg{font-size:17px;padding:17px 30px}
.btn-ghost{color:var(--teal-800);background:transparent;border-color:var(--line-2);box-shadow:none}
.btn-ghost:hover{color:var(--teal-900);background:var(--teal-50);border-color:var(--teal-100)}

/* ---------- chips / tags ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.chip-accent{color:var(--teal-800);background:var(--teal-50);border-color:var(--teal-100)}

/* ---------- byline ---------- */
.byline{display:flex;align-items:center;gap:11px;padding-top:18px;margin-top:22px;border-top:1px solid var(--line)}
.byline img{width:42px;height:42px;border-radius:999px;object-fit:cover;border:1px solid var(--line-2);flex:0 0 auto}
.byline b{display:block;font-size:14px}
.byline span{display:block;font-size:12.5px;color:var(--ink-3)}

/* ---------- cards ---------- */
.grid{display:grid;gap:20px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--spring),box-shadow var(--ease),border-color var(--ease);
}
a.card{color:inherit}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2);color:inherit}
.card-media{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 600ms cubic-bezier(.22,.61,.36,1)}
a.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-title{font-family:var(--font-display);font-size:20px;line-height:1.25;font-weight:700}
.card-ex{font-size:14.5px;color:var(--ink-2);line-height:1.5}
.card-meta{margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--ink-3);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.card.is-soon{background:var(--surface-2);border-style:dashed;box-shadow:none}
.card.is-soon .card-title{color:var(--ink-2)}
.card-media.is-placeholder{
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(120% 120% at 50% 0%, var(--teal-50), transparent 70%),
    repeating-linear-gradient(45deg,transparent 0 11px,rgba(14,124,123,.045) 11px 22px);
  border-bottom:1px dashed var(--line-2);
}
.card-media.is-placeholder svg{width:38px;height:38px;color:var(--teal-700);opacity:.4}

/* ---------- footer ---------- */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);margin-top:clamp(40px,6vw,72px)}
.footer-grid{display:grid;gap:28px;padding-block:40px}
.footer-brand img{height:26px;margin-bottom:12px}
.footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin-bottom:10px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:14.5px;color:var(--ink-2)}
.footer-links a:hover{color:var(--teal-800)}
.footer-note{border-top:1px solid var(--line);padding-block:20px 32px;font-size:12.5px;line-height:1.6;color:var(--ink-3)}
.footer-note b{color:var(--ink-2)}

/* ---------- scroll reveal ----------
   Elements start hidden via the #reveal-guard <style> in each page <head> (so
   there is no visible-then-hidden flash); site.js adds .is-in as they enter the
   viewport. Only opacity + transform animate, so this stays on the compositor.
   The guard self-removes if JS never runs; reduced-motion and no-JS bypass it. */
[data-reveal]{transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1)}
[data-reveal].is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:759px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:10px var(--pad) 16px;
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 10px;font-size:16px}
}
@media (min-width:600px){
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:40px}
}