/* Canonical shared UI. Run node scripts/sync-site-design.js after edits. */
:root {
  /* ---- Palette (Lemon Squeezy scales) ---- */
  --purple-50:  #f4f1fd;
  --purple-100: #e2dafb;
  --purple-200: #c6b6f7;
  --purple-300: #a991f3;
  --purple-400: #8d6cef;
  --purple-500: #7047eb;
  --purple-600: #5423e7;
  --purple-700: #4316ca;
  --purple-900: #2b0e81;

  --yellow-100: #fff3d6;
  --yellow-200: #ffe7ad;
  --yellow-300: #ffda85;
  --yellow-400: #ffce5c;
  --yellow-500: #ffc233;
  --yellow-700: #c28800;

  --green-100: #dff8ea;
  --green-400: #56d990;
  --green-500: #2dca72;
  --green-600: #26a95f;
  --green-700: #1e874c;

  --pink-100:   #fdddf8;
  --pink-500:   #f75fde;
  --pink-700:   #db0bb9;
  --orange-100: #ffe8e1;
  --orange-500: #ff7d52;
  --orange-600: #ff571f;
  --orange-700: #eb3a00;
  --blue-100:   #dbf3ff;
  --blue-200:   #ade4ff;
  --blue-500:   #00acff;
  --blue-700:   #0075ad;
  --plum-500:   #cf75ff;
  --red-500:    #f53d6b;

  --ink:      #121217;
  --ink-2:    #1c1c24;
  --grey-700: #3f3f50;
  --grey-500: #6c6c89;
  --grey-300: #a9a9bc;
  --grey-200: #d1d1db;
  --grey-100: #e8e8ed;
  --smoke:    #f7f7f8;
  --white:    #ffffff;

  /* ---- Semantic (light ground = default) ---- */
  --page:       var(--white);
  --text:       var(--ink);
  --muted:      var(--grey-500);
  --muted-2:    var(--grey-300);
  --surface:    var(--white);
  --surface-2:  var(--smoke);
  --hairline:   var(--grey-100);
  --hairline-2: var(--grey-200);
  --brand:      var(--purple-600);
  --brand-soft: var(--purple-50);
  --accent:     var(--yellow-500);
  --accent-text: var(--on-amber);
  --ok-text:    var(--on-green);

  /* Foreground for small text on the matching -100 tint. The brand -700 steps
     read fine as large shapes but land at 2.8-4.4:1 as 12-15px text, so chips
     and inline accents use these instead. Measured ratios in comments. */
  --on-purple: #4316ca;   /* 7.10 on purple-100 */
  --on-orange: #c22f00;   /* 4.83 on orange-100 */
  --on-green:  #1a7844;   /* 4.92 on green-100, 5.51 on white */
  --on-pink:   #b8089b;   /* 4.76 on pink-100  */
  --on-blue:   #006391;   /* 5.72 on blue-100  */
  --on-amber:  #8a6000;   /* 5.07 on yellow-100, 5.59 on white */
  --on-grey:   #5c5c75;   /* 5.30 on grey-100  */
  --grad:       linear-gradient(96deg, var(--purple-500), var(--purple-600) 60%, var(--purple-700));

  /* ---- Shape & depth ---- */
  --radius-sm: 12px;
  --radius:    20px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --pill:      999px;
  --shadow-sm:   0 1px 2px rgba(18, 18, 23, 0.04), 0 4px 12px -6px rgba(18, 18, 23, 0.08);
  --shadow:      0 2px 4px rgba(18, 18, 23, 0.04), 0 18px 40px -24px rgba(18, 18, 23, 0.22);
  --shadow-lift: 0 4px 8px rgba(18, 18, 23, 0.05), 0 32px 64px -28px rgba(18, 18, 23, 0.28);
  --shadow-float: 0 40px 90px -40px rgba(20, 6, 74, 0.55), 0 8px 24px -12px rgba(20, 6, 74, 0.35);

  /* ---- Type scale (root = 16px). Every size below display level maps here. ---- */
  --fs-2xs:  0.6875rem;   /* 11px - dense mock labels        */
  --fs-xs:   0.75rem;     /* 12px - micro labels, pills      */
  --fs-sm:   0.8125rem;   /* 13px - meta, captions, notes    */
  --fs-md:   0.875rem;    /* 14px - secondary UI text        */
  --fs-base: 0.9375rem;   /* 15px - card + list body         */
  --fs-lg:   1rem;        /* 16px - body copy                */
  --fs-xl:   1.0625rem;   /* 17px - large buttons, sub-heads */
  --fs-2xl:  1.1875rem;   /* 19px - doc intro, panel titles  */
  --fs-3xl:  1.3125rem;   /* 21px - small headings           */
  --track-label: 0.14em;  /* every uppercase micro-label     */

  --maxw: 1180px;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Outfit', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ---------- Buttons: full pills, medium weight, flat ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-sans);
  font-weight: 500; font-size: var(--fs-lg); letter-spacing: -0.012em;
  padding: 14px 28px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  transition: transform .18s cubic-bezier(.2,.8,.3,1), background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary: brand violet on light ground, plain white on dark ground */
.btn-primary { background: var(--purple-600); color: var(--white); }
.btn-primary:hover { background: var(--purple-700); }
.hero .btn-primary,
.doc-hero .btn-primary,
.band .btn-primary,
.sec-purple .btn-primary,
.sec-ink .btn-primary,
.cta .btn-primary,
.site-footer .btn-primary { background: var(--white); color: var(--ink); }
.hero .btn-primary:hover,
.doc-hero .btn-primary:hover,
.sec-purple .btn-primary:hover,
.sec-ink .btn-primary:hover,
.cta .btn-primary:hover { background: var(--yellow-500); color: var(--ink); }

/* Ghost: hairline chip on light, translucent fill on dark */
.btn-ghost {
  background: var(--white);
  color: var(--ink);
  border-color: var(--grey-200);
}
.btn-ghost:hover { border-color: var(--purple-300); color: var(--purple-600); }
.hero .btn-ghost,
.doc-hero .btn-ghost,
.band .btn-ghost,
.sec-purple .btn-ghost,
.sec-ink .btn-ghost,
.cta .btn-ghost,
.site-footer .btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
  border-color: transparent;
}
.hero .btn-ghost:hover,
.doc-hero .btn-ghost:hover,
.sec-purple .btn-ghost:hover,
.sec-ink .btn-ghost:hover,
.cta .btn-ghost:hover,
.site-footer .btn-ghost:hover { background: rgba(255, 255, 255, 0.24); color: var(--white); }

.btn-lg { font-size: var(--fs-xl); padding: 17px 34px; }
.btn-block { display: flex; width: 100%; }

/* Shared navigation: identical on the website and customer portal. */
.site-header { position: fixed; inset: 0 0 auto; z-index: 60; background: var(--white); color: var(--ink); border-bottom: 1px solid var(--hairline); }
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.site-header .nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 19px; letter-spacing: -.03em; white-space: nowrap; }
.brand b { font-weight: 500; }
.site-header .brand img { width: 32px; height: 32px; filter: brightness(.78) saturate(1.35); }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--grey-700); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--brand); }
.nav-cta { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-cta .btn { padding: 10px 18px; font-size: 14px; white-space: nowrap; }
.nav-toggle { display: none; padding: 10px; border-radius: 10px; }
.nav-toggle svg { width: 24px; height: 24px; }
.btn:disabled { opacity: .65; cursor: not-allowed; transform: none; }
.btn-sm { font-size: 14px; padding: 10px 18px; }
.btn-ic { width: 16px; height: 16px; flex-shrink: 0; }
@media (max-width: 1120px) {
  .site-header .nav-links { display: none; }
  .site-header .nav-toggle { display: flex; }
  .site-header.menu-open .nav-links { display: flex; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px; background: var(--white); border-bottom: 1px solid var(--hairline); max-height: calc(100dvh - 76px); overflow-y: auto; }
  .site-header.menu-open .nav-links a { padding: 12px 0; color: var(--grey-700); }
}
@media (max-width: 480px) {
  .site-header .nav { height: 64px; gap: 8px; padding-inline: 16px; }
  .site-header .brand { font-size: 17px; gap: 7px; }
  .site-header .brand img { width: 28px; height: 28px; }
  .site-header .nav-cta .btn { padding: 9px 12px; font-size: 12px; }
  .site-header .nav-cta .btn-ghost { display: none; }
  .site-header.menu-open .nav-links { top: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.site-header .mobile-auth-link { display: none; }
@media (max-width: 480px) {
  .site-header.menu-open .mobile-auth-link { display: block; }
  .site-header .nav-cta #sign-out { display: inline-flex; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); padding: 80px 0 36px; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px; padding-bottom: 48px;
}
.footer-brand .brand { color: var(--white); margin-bottom: 16px; }
.footer-brand p { font-size: var(--fs-base); line-height: 1.65; max-width: 34ch; color: rgba(255, 255, 255, 0.6); }
.footer-col { display: grid; gap: 12px; align-content: start; }
.footer-col h3 {
  font-family: var(--font-sans); font-size: var(--fs-xs); font-weight: 500;
  letter-spacing: var(--track-label); text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58); margin-bottom: 4px;
}
.footer-col a { font-size: var(--fs-base); color: rgba(255, 255, 255, 0.72); transition: color .18s ease; }
.footer-col a:hover { color: var(--yellow-500); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--fs-md); color: rgba(255, 255, 255, 0.5);
}
.footer-bottom-compact { padding-top: 0; border-top: none; }
.footer-home-link { color: rgba(255, 255, 255, 0.72); }
.footer-home-link:hover { color: var(--yellow-500); }


.site-footer .brand img { width: 32px; height: 32px; }
.site-footer .brand b { color: var(--yellow-500); }
@media (max-width: 980px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 720px) { .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; } .footer-bottom { flex-direction: column; text-align: center; } }

@media (max-width: 360px) {
  .site-header .brand { font-size: 15px; gap: 6px; }
  .site-header .brand img { width: 24px; height: 24px; }
  .site-header .nav { gap: 4px; }
  .site-header .nav-cta { gap: 4px; }
  .site-header .nav-toggle { padding: 8px; }
}