/* ============================================================
   Valley Metabolic Health — Brand Stylesheet
   Theme: "Coastal Calm"
   All colors & fonts are variables — edit them in :root below.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

/* --- Brand variables (single source of truth) --- */
:root {
  --navy:        #15324F;  /* deep ocean navy — headings, nav  */
  --navy-dark:   #0E2538;  /* deeper navy for gradients        */
  --blue:        #2C8C9E;  /* ocean teal — primary accent/links*/
  --blue-light:  #7FC4CE;  /* aqua — hover / highlights        */
  --link:        #1F7585;  /* link text — AA contrast          */
  --green:       #3FA796;  /* sea-green — secondary accent     */
  --green-dark:  #25705F;  /* sea-green hover — AA contrast    */
  --coral:       #E07A5A;  /* warm coral — fills, dividers      */
  --coral-ink:   #BD4F2C;  /* deep coral — buttons/text (AA)    */
  --gold:        #E0A23B;  /* sand gold — fills, borders        */
  --gold-ink:    #8A5E10;  /* dark gold — text (AA)             */
  --bg:          #FBFBF9;  /* light off-white background        */
  --surface:     #FFFFFF;  /* cards / panels                  */
  --slate:       #2B2B2B;  /* charcoal body text              */
  --muted:       #6A6A66;  /* secondary text                  */
  --border:      #E6DFD2;  /* hairlines, dividers             */
  --white:       #FFFFFF;

  --font-head: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1180px;
  --nav-height: 76px;
  --radius: 14px;
  --shadow-sm: 0 1px 3px rgba(21,50,79,0.08);
  --shadow-md: 0 10px 30px rgba(21,50,79,0.14);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.72;
  color: var(--slate);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-dark); }
/* underline links within reading content (context links) */
.article a:not(.btn):not(.x-link), .callout a { text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
.article .toc a { text-decoration: none; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.16; font-weight: 600; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.3rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
.eyebrow {
  font-size: .8rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--link);
  font-family: var(--font-body);
}
.lead { font-size: 1.2rem; color: var(--muted); }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* --- Layout helpers --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; margin-left: auto; margin-right: auto; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--surface { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section--navy { background: var(--navy); color: rgba(255,255,255,.9); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.center { text-align: center; }
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.mt-1 { margin-top: 12px; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 40px; }

/* --- Buttons --- */
.btn {
  display: inline-block; font-family: var(--font-body); font-weight: 700;
  font-size: .98rem; padding: 14px 28px; border-radius: 999px;
  transition: transform .15s, box-shadow .2s, background .2s; cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: var(--green-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-coral { background: var(--coral-ink); color: var(--white); }
.btn-coral:hover { background: #A3431F; color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-light { background: rgba(255,255,255,.12); color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-light:hover { background: var(--white); color: var(--navy); }

/* --- Navigation --- */
.nav {
  position: sticky; top: 0; z-index: 1000; height: var(--nav-height);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; background: rgba(244,239,231,0.92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo .mark { font-family: var(--font-head); font-weight: 600; font-size: 1.12rem; color: var(--navy); }
.nav-logo .sub  { font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--blue); margin-top: 2px; font-family: var(--font-body); font-weight:700; }
.nav-links { display: flex; gap: 24px; list-style: none; align-items: center; }
.nav-links a { color: var(--slate); font-size: .92rem; font-weight: 600; }
.nav-links a:hover { color: var(--blue); }
.nav-links a.active { text-decoration: underline; text-decoration-color: var(--blue); text-decoration-thickness: 2px; text-underline-offset: 7px; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--navy); cursor: pointer; }

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 58%, #1c4a63);
  color: var(--white); padding: 120px 0 108px; position: relative; overflow: hidden;
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(135deg, rgba(14,37,56,0.78), rgba(21,50,79,0.62) 55%, rgba(28,74,99,0.58)),
    linear-gradient(to bottom, rgba(14,37,56,0.15), rgba(14,37,56,0.45));
}
.hero .container { position: relative; z-index: 2; }
@media (prefers-reduced-motion: reduce) { .hero-video { display: none; } }
.hero h1 { color: var(--white); max-width: 16ch; }
.hero .eyebrow {
  color: var(--blue-light);
  font-size: clamp(.95rem, 1.6vw, 1.18rem);
  letter-spacing: .1em;
  margin-bottom: 6px;
}
.hero .lead { color: rgba(255,255,255,0.88); max-width: 60ch; margin-top: 18px; }
.hero .btn-row { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 80px; z-index: 2;
  background: var(--bg);
  -webkit-mask: radial-gradient(120% 80px at 50% 0, transparent 70%, #000 71%);
          mask: radial-gradient(120% 80px at 50% 0, transparent 70%, #000 71%);
}

/* --- Cards --- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card h3 { margin-bottom: 8px; }
.card .icon {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(44,140,158,0.13); color: var(--blue); font-size: 1.4rem;
  margin: 0 auto 16px; align-self: center;
}
.card .icon svg { width: 26px; height: 26px; }
.dl-banner .dl-icon svg { width: 26px; height: 26px; }
.card--green .icon { background: rgba(63,167,150,0.16); color: var(--green-dark); }
.card p { color: var(--muted); }

/* --- Checklist (The Opportunity) --- */
.checklist { list-style: none; display: grid; gap: 14px; margin-top: 8px; }
.checklist li { position: relative; padding-left: 34px; color: var(--slate); }
.checklist li::before {
  content: "›"; position: absolute; left: 0; top: -2px;
  width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(44,140,158,0.14); color: var(--blue); font-weight: 700;
}

/* --- Nova Scotia zones --- */
.zone {
  display: block; color: inherit;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; border-top: 4px solid var(--blue-light);
}
a.zone { transition: transform .18s, box-shadow .2s, border-color .2s; }
a.zone:hover { transform: scale(1.035); box-shadow: var(--shadow-md); border-top-color: var(--blue); }
a.zone:hover h3 { color: var(--blue); }
.zone.is-active { border-top-color: var(--green); box-shadow: var(--shadow-md); }
.zone .zname { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); font-weight: 700; }
.zone h3 { margin: 6px 0 4px; font-size: 1.15rem; }
.zone p { color: var(--muted); font-size: .95rem; margin: 0; }
.zone .tag { display:inline-block; margin-top:10px; font-size:.7rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color: var(--green-dark); background: rgba(63,167,150,.14); padding:3px 10px; border-radius:999px; }

/* --- Quote --- */
.quote { text-align: center; max-width: 760px; margin: 0 auto; }
.quote blockquote {
  font-family: var(--font-head); font-style: italic; font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.4; color: var(--navy);
}
.quote .cite { display: block; margin-top: 18px; font-style: normal; font-size: .95rem; color: var(--muted); font-family: var(--font-body); }

/* --- Team --- */
.member { text-align: left; }
.member .role { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); font-weight: 700; }
.member h3 { margin: 4px 0 10px; }
.member p { color: var(--muted); font-size: .97rem; }

/* --- Contact strip --- */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.contact-item { margin-bottom: 18px; }
.contact-item .k { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--blue-light); font-weight: 700; }
.contact-item .v { color: rgba(255,255,255,.92); font-size: 1.05rem; }

/* --- Footer --- */
.footer { background: var(--navy-dark); color: rgba(255,255,255,0.82); padding: 56px 0 32px; }
.footer h4 { color: var(--white); margin-bottom: 12px; font-size: 1.05rem; }
.footer a { color: var(--blue-light); }
.footer p { color: rgba(255,255,255,.7); font-size: .94rem; }
.footer .fine { border-top: 1px solid rgba(255,255,255,0.14); margin-top: 32px; padding-top: 20px; font-size: .85rem; color: rgba(255,255,255,0.65); }

/* --- Inner-page header --- */
.subhero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 60%, #1c4a63);
  color: var(--white); padding: 92px 0 84px; position: relative; overflow: hidden; text-align: center;
}
.subhero h1 { color: var(--white); margin: 0 auto; max-width: 18ch; }
.subhero .eyebrow { color: var(--blue-light); font-size: clamp(.9rem,1.5vw,1.1rem); letter-spacing:.12em; }
.subhero .lead { color: rgba(255,255,255,0.88); max-width: 60ch; margin: 16px auto 0; }
.subhero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 70px;
  background: var(--bg);
  -webkit-mask: radial-gradient(120% 70px at 50% 0, transparent 70%, #000 71%);
          mask: radial-gradient(120% 70px at 50% 0, transparent 70%, #000 71%);
}
/* Optional background video for subhero pages. Negative z-index + isolation keeps
   the headline and the curved bottom above the video and overlay. */
.subhero { isolation: isolate; }
.subhero .hero-video { z-index: -2; }
.subhero .hero-overlay {
  z-index: -1;
  background: linear-gradient(135deg, rgba(14,37,56,0.88), rgba(21,50,79,0.74) 60%, rgba(28,74,99,0.74));
}
@media (prefers-reduced-motion: reduce) {
  .subhero .hero-video, .subhero .hero-overlay { display: none; }
}

/* --- Pathway cards (with arrow link) --- */
.pathway { display: flex; flex-direction: column; }
.pathway .arrow { margin-top: auto; padding-top: 16px; font-weight: 700; color: var(--blue); }
.pathway:hover .arrow { color: var(--green-dark); }

/* --- Feature banner (e.g. the Course) --- */
.feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: stretch;
}
.feature .feature-body { padding: 44px; }
.feature .feature-side {
  background: linear-gradient(135deg, var(--navy), #1c4a63); color: var(--white);
  padding: 44px; display: flex; flex-direction: column; justify-content: center;
}
.feature .feature-side h3 { color: var(--white); font-size: 1.6rem; }
.feature .feature-side p { color: rgba(255,255,255,.85); }
.feature .badge { display:inline-block; background: rgba(63,167,150,.16); color: var(--green-dark); font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; padding:5px 12px; border-radius:999px; margin-bottom:14px; }
@media (max-width: 820px) { .feature { grid-template-columns: 1fr; } }

/* --- Course curriculum --- */
.module { margin-top: 52px; }
.module:first-of-type { margin-top: 0; }
.module-head { display: flex; align-items: baseline; gap: 14px; border-bottom: 2px solid var(--border); padding-bottom: 12px; margin-bottom: 26px; }
.module-head .mnum { font-family: var(--font-head); color: var(--blue); font-size: 1.05rem; font-weight: 700; white-space: nowrap; }
.module-head h3 { font-size: 1.4rem; }
.lesson-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lesson {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.lesson:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.lesson-thumb { position: relative; aspect-ratio: 16 / 9; background: #000; cursor: pointer; }
.lesson-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lesson-thumb iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lesson-thumb .play {
  position: absolute; inset: 0; margin: auto; width: 58px; height: 58px; border-radius: 50%;
  background: rgba(21,50,79,.82); color: #fff; display: grid; place-items: center;
  font-size: 1.2rem; padding-left: 4px; transition: background .2s, transform .2s;
}
.lesson-thumb:hover .play { background: var(--blue); transform: scale(1.07); }
.lesson-meta { padding: 15px 18px; }
.lesson-meta .num { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); font-weight: 700; }
.lesson-meta h4 { margin-top: 4px; font-size: 1rem; line-height: 1.35; }
/* duration badge */
.lesson-thumb .dur {
  position: absolute; right: 8px; bottom: 8px; z-index: 2;
  background: rgba(14,37,56,.85); color: #fff; font-size: .72rem; font-weight: 600;
  padding: 2px 7px; border-radius: 5px; letter-spacing: .02em;
}
/* watched state */
.lesson.watched .lesson-thumb img { opacity: .55; }
.lesson.watched .lesson-meta .num::after {
  content: " \2713 Watched"; color: var(--green-dark); margin-left: 6px;
}

/* course progress panel */
.course-progress { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-sm); margin-bottom: 44px; }
.cp-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.cp-text { color: var(--slate); }
.cp-text strong { color: var(--navy); }
.cp-bar { height: 8px; border-radius: 999px; background: var(--border); margin-top: 16px; overflow: hidden; }
.cp-fill { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--green)); transition: width .4s ease; }
@media (max-width: 900px) { .lesson-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .lesson-grid { grid-template-columns: 1fr; } }

/* --- Worksheet pages (printable) --- */
.ws-bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 32px; border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 10; }
.ws-wrap { max-width: 820px; margin: 0 auto; padding: 48px 24px 90px; }
.ws-head { border-bottom: 2px solid var(--border); padding-bottom: 22px; }
.ws-head h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: 6px; }
.ws-block { margin-top: 36px; }
.ws-block h2 { font-size: 1.45rem; color: var(--navy); }
.ws-prompt { color: var(--slate); margin-top: 10px; }
textarea.fill-box, .fill-box {
  display: block; width: 100%; border: 1.5px solid var(--blue-light); border-radius: 10px;
  min-height: 150px; margin-top: 16px; padding: 14px 16px; font-family: var(--font-body);
  font-size: 1rem; line-height: 1.7; color: var(--slate); background: rgba(255,255,255,.7); resize: vertical;
}
.fill-box:focus { outline: none; border-color: var(--blue); }
.tip { background: rgba(63,167,150,.10); border-left: 4px solid var(--green); border-radius: 8px; padding: 14px 18px; color: var(--slate); margin-top: 18px; font-size: .96rem; }
@media print {
  .noprint { display: none !important; }
  body { background: #fff; color: #000; }
  .ws-wrap { padding: 0; max-width: 100%; }
  textarea.fill-box, .fill-box { border: 1px solid #999; background: #fff; }
}

/* --- Transcript / article pages --- */
.article { max-width: 760px; margin: 0 auto; }
.article .video-embed { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; box-shadow: var(--shadow-md); background:#000; }
.article .video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.article h2 { font-size: 1.5rem; margin: 8px 0 18px; }
.article p { font-size: 1.06rem; line-height: 1.8; margin-bottom: 1.1rem; }
.transcript-note { color: var(--muted); font-size: .9rem; font-style: italic; margin-top: 28px; border-top: 1px solid var(--border); padding-top: 16px; }
.lesson-meta .tlink { display: inline-block; margin-top: 8px; font-size: .82rem; font-weight: 700; }

/* --- Responsive --- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links {
    display: none; position: absolute; top: var(--nav-height); left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 32px; }
  .nav-toggle { display: block; }
  .section { padding: 60px 0; }
}

/* --- Resource cards (resources.html providers + patients.html patient resources) --- */
.res-cat { margin-top: 60px; padding-top: 56px; border-top: 1px solid var(--border); scroll-margin-top: 90px; }
.res-cat:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.res-cat.is-hidden { display: none; }
.res-cat-head { display: flex; align-items: baseline; gap: 14px; border-bottom: 2px solid var(--border); padding-bottom: 12px; margin-bottom: 24px; }
.res-cat-head h2 { font-size: 1.4rem; margin: 0; }
.res-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 760px) { .res-grid { grid-template-columns: 1fr; } }
.res-card { display: block; background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--blue);
  border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); transition: transform .15s, box-shadow .2s; }
.res-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.res-card.is-hidden { display: none; }
.res-card .rtitle { font-family: var(--font-head); font-weight: 600; color: var(--navy); font-size: 1.1rem; display: flex; align-items: center; gap: 7px; }
.res-card .rtitle .ext { color: var(--blue-light); font-size: .85rem; }
.res-card:hover .rtitle { color: var(--blue); }
.res-card .rdesc { color: var(--muted); font-size: .95rem; margin-top: 6px; line-height: 1.55; }
.res-card .raud { display: inline-block; margin-top: 10px; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; }
.raud.patient { background: rgba(63,167,150,.14); color: var(--green-dark); }
.raud.provider { background: rgba(44,140,158,.14); color: var(--blue); }
.raud.both { background: rgba(21,50,79,.08); color: var(--navy); }

/* --- On-page table of contents (plain text links in the dark hero) --- */
.toc-links { display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: center; margin-top: 28px; }
.toc-links a { font-family: var(--font-body); font-weight: 600; font-size: .95rem; color: rgba(255,255,255,.82);
  padding: 2px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.toc-links a:hover { color: #fff; border-bottom-color: var(--blue-light); }
[id] { scroll-margin-top: 90px; }

/* --- Back-to-top floating button --- */
.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 900; width: 46px; height: 46px;
  border: 0; border-radius: 50%; background: var(--navy); color: #fff; font-size: 1.25rem; line-height: 1; cursor: pointer;
  box-shadow: var(--shadow-md); opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: opacity .2s, transform .2s, background .2s; }
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { background: var(--blue); }