/* ============================================================
   SILVER GARDEN — Miami Pole Dance & Yoga Studio
   Design system : deep garden green + liquid silver + warm ivory
   ============================================================ */

:root {
  /* Light base — pulled from the brand: taupe-green logo ink, sage, warm ivory */
  --bg: #f7f4ed;
  --bg-2: #efeadf;
  --bg-3: #e7e1d3;
  --card: #fffdf8;
  --ink: #40453d;
  --muted: #7c8074;
  --faint: rgba(64, 69, 61, 0.72);
  --line: rgba(64, 69, 61, 0.16);
  --sage: #71875c;
  --sage-deep: #5a6d49;
  --silver-hi: #f4f5f7;
  --silver-mid: #b9bec9;
  --silver-lo: #7e838e;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 76px;
}

/* Dark contexts — heroes over imagery, CTA/quote bands, nav, marquee, footer */
.hero, .page-hero, .cta-band, .quote-band, .marquee,
.nav, .mobile-menu, .footer {
  --bg: #0c0e0b;
  --bg-2: #12150f;
  --bg-3: #1a1e16;
  --card: #12150f;
  --ink: #ede8dc;
  --muted: #a3a396;
  --faint: rgba(237, 232, 220, 0.6);
  --line: rgba(237, 232, 220, 0.14);
  --sage: #a9bd97;
  --sage-deep: #6f8260;
  color: var(--ink);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--sage-deep); color: var(--silver-hi); }

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

a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */

h1, h2, h3, .serif {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.6rem, 7vw, 5.4rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }

.italic { font-style: italic; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--sage);
}
.kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sage));
}

.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--faint); font-weight: 300; }

/* Liquid-silver shimmering text */
.shimmer {
  background: linear-gradient(
    110deg,
    var(--silver-lo) 0%,
    var(--silver-hi) 22%,
    var(--silver-mid) 40%,
    #ffffff 52%,
    var(--silver-mid) 64%,
    var(--silver-lo) 100%
  );
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6.5s linear infinite;
}
@keyframes shimmer {
  to { background-position: -220% center; }
}

/* ---------- Layout ---------- */

.container { width: min(1180px, 92vw); margin: 0 auto; }
.container--narrow { width: min(820px, 92vw); margin: 0 auto; }

.section { padding: clamp(4.5rem, 9vw, 8.5rem) 0; position: relative; }
.section--tint { background: var(--bg-2); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); }

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Reveal animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(42px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

.reveal-img { overflow: hidden; }
.reveal-img img {
  transform: scale(1.12);
  transition: transform 1.6s var(--ease);
}
.reveal-img.in img { transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-img img { opacity: 1 !important; transform: none !important; transition: none !important; }
  .shimmer, .hero__bg img, .marquee__track { animation: none !important; }
}

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.5s ease, border-color 0.5s ease, height 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav--solid {
  background: rgba(12, 14, 11, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.nav__inner {
  width: min(1320px, 94vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo { display: flex; align-items: center; }
.nav__logo img.wordmark {
  height: 52px;
  width: auto;
  transition: opacity 0.3s;
}
.nav__logo:hover img.wordmark { opacity: 0.8; }

.footer .wordmark {
  height: 76px;
  width: auto;
  margin-bottom: 1.2rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.4vw, 1.7rem);
  list-style: none;
}
.nav__links > li { position: relative; }
.nav__links a.top {
  white-space: nowrap;
  font-size: 0.74rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 8px 0;
  position: relative;
  transition: color 0.3s;
}
.nav__links a.top::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--sage);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav__links a.top:hover { color: var(--ink); }
.nav__links a.top:hover::after,
.nav__links a.top.active::after { transform: scaleX(1); transform-origin: left; }
.nav__links a.top.active { color: var(--ink); }

/* dropdowns */
.sub {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translate(-50%, 12px);
  min-width: 210px;
  background: rgba(18, 21, 15, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  padding: 10px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s var(--ease);
}
.has-sub:hover .sub, .has-sub.open .sub {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.sub a {
  display: block;
  padding: 9px 22px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  transition: color 0.25s, padding-left 0.25s;
}
.sub a:hover { color: var(--sage); padding-left: 28px; }

.caret { font-size: 0.6em; opacity: 0.6; margin-left: 4px; }

/* Book now button */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--ink) 45%, transparent);
  padding: 15px 36px;
  position: relative;
  overflow: hidden;
  transition: color 0.45s var(--ease), border-color 0.45s;
  cursor: pointer;
  background: none;
  white-space: nowrap;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, var(--silver-mid), var(--silver-hi));
  transform: translateY(101%);
  transition: transform 0.45s var(--ease);
  z-index: -1;
}
.btn:hover { color: #0c0e0b; border-color: var(--silver-hi); }
.btn:hover::before { transform: translateY(0); }

.btn--sage { border-color: color-mix(in srgb, var(--sage) 55%, transparent); color: var(--sage); }
.btn--sage::before { background: var(--sage); }
.btn--sm { padding: 11px 26px; font-size: 0.72rem; }

.nav .btn { border-color: rgba(237, 232, 220, 0.35); color: #ede8dc; }

/* burger */
.burger {
  display: none;
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  cursor: pointer;
  z-index: 130;
  position: relative;
}
.burger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--ink);
  margin: 6px auto;
  transition: 0.4s var(--ease);
}
.burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(12, 14, 11, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12vh 8vw;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s var(--ease);
  overflow-y: auto;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  padding: 0.45rem 0;
  color: var(--faint);
  transition: color 0.3s, padding-left 0.3s;
  opacity: 0;
  transform: translateY(20px);
}
.mobile-menu.open a { opacity: 1; transform: none; transition: all 0.6s var(--ease); transition-delay: calc(var(--i) * 0.05s); }
.mobile-menu a:hover { color: var(--sage); padding-left: 12px; }
.mobile-menu a.small { font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; }

@media (max-width: 1200px) {
  .nav__links, .nav .btn { display: none; }
  .burger { display: block; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img,
.hero__bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__bg img { animation: kenburns 18s var(--ease) infinite alternate; }
@keyframes kenburns {
  from { transform: scale(1) translateY(0); }
  to { transform: scale(1.12) translateY(-2%); }
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(12,14,11,0.55) 0%, rgba(12,14,11,0.1) 40%, rgba(12,14,11,0.92) 100%);
}
.hero__content { padding: 0 0 clamp(4rem, 9vh, 7rem); }
.hero h1 { max-width: 14ch; }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.6rem;
  margin-top: 2.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}

/* fade-up on load */
.fade-up { opacity: 0; transform: translateY(50px); animation: fadeUp 1.3s var(--ease) forwards; animation-delay: var(--d, 0s); }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

.scroll-cue {
  position: absolute;
  bottom: 34px;
  right: 5vw;
  width: 1px;
  height: 70px;
  background: var(--line);
  overflow: hidden;
}
.scroll-cue::after {
  content: "";
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--sage);
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue { to { top: 110%; } }

/* interior page hero */
.page-hero {
  position: relative;
  min-height: 62svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.page-hero--short { min-height: 42svh; }
.page-hero .hero__bg img { animation-duration: 22s; }
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(12,14,11,0.6), rgba(12,14,11,0.25) 45%, rgba(12,14,11,0.95));
}
.page-hero .hero__content { padding-bottom: clamp(2.8rem, 6vh, 4.5rem); }

/* ---------- Marquee ---------- */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 1.15rem 0;
  background: var(--bg-2);
}
.marquee__track {
  display: flex;
  gap: 3.2rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 3.2rem;
}
.marquee span::after { content: "✦"; font-size: 0.7em; color: var(--sage); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Cards ---------- */

.card {
  position: relative;
  display: block;
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
  transition: transform 0.6s var(--ease), border-color 0.4s;
}
.card:hover { transform: translateY(-8px); border-color: rgba(169, 189, 151, 0.45); }
.card__img { aspect-ratio: 4 / 5; overflow: hidden; }
.card__img--wide { aspect-ratio: 16 / 10; }
.card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.6s;
}
.card:hover .card__img img { transform: scale(1.07); }
.card__body { padding: 1.6rem 1.7rem 1.9rem; }
.card__body h3 { margin-bottom: 0.5rem; }
.card__body p { font-size: 0.95rem; color: var(--muted); }
.card__link {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sage);
}
.card__link::after { content: " →"; transition: 0.3s; display: inline-block; }
.card:hover .card__link::after { transform: translateX(6px); }

/* ---------- Team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: clamp(1.4rem, 3vw, 2.4rem);
}
.member { border: 1px solid var(--line); background: var(--card); overflow: hidden; }
.member__photo { aspect-ratio: 3 / 4; overflow: hidden; position: relative; }
.member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(65%) contrast(1.02);
  transition: filter 0.8s var(--ease), transform 1.2s var(--ease);
}
.member:hover .member__photo img { filter: grayscale(0%); transform: scale(1.05); }
.member__body { padding: 1.5rem 1.6rem 1.8rem; }
.member__body h3 { font-style: italic; margin-bottom: 0.6rem; }
.member__body h3::after {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  margin-top: 0.7rem;
  background: linear-gradient(90deg, var(--sage), transparent);
}
.member__body p { font-size: 0.92rem; color: var(--muted); }
.member__body .quote { font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--faint); margin-top: 0.8rem; }

/* ---------- Gallery ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.8rem, 1.6vw, 1.4rem);
}
.gallery .g-item { overflow: hidden; aspect-ratio: 3 / 4; }
.gallery .g-item:nth-child(2), .gallery .g-item:nth-child(5) { margin-top: clamp(1.5rem, 4vw, 3.5rem); }
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter 0.6s;
  filter: saturate(0.9);
}
.gallery .g-item:hover img { transform: scale(1.08); filter: saturate(1.1); }
@media (max-width: 700px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Quote / CTA bands ---------- */

.quote-band { text-align: center; padding: clamp(5rem, 11vw, 9rem) 0; position: relative; background: var(--bg); }
.quote-band blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.7rem, 4.4vw, 3.2rem);
  line-height: 1.25;
  max-width: 22ch;
  margin: 0 auto;
}
.quote-band cite { display: block; margin-top: 2rem; font-style: normal; }

.cta-band {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(6rem, 13vw, 11rem) 0;
}
.cta-band .hero__bg img { animation: none; transform: scale(1.05); }
.cta-band__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.cta-band--video::after { background: rgba(12, 14, 11, 0.6); }
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(12, 14, 11, 0.78);
}
.cta-band h2 { font-size: clamp(2.6rem, 7vw, 5rem); margin-bottom: 2.4rem; }

/* ---------- Feature list (❋) ---------- */

.features { list-style: none; display: grid; gap: 1.8rem; }
.features li { display: grid; grid-template-columns: 34px 1fr; gap: 1rem; align-items: baseline; }
.features li::before { content: "❋"; color: var(--sage); font-size: 1.1rem; }
.features h3 { font-size: 1.25rem; margin-bottom: 0.3rem; }
.features p { font-size: 0.95rem; color: var(--muted); }

/* ---------- Prose (articles, policies) ---------- */

.prose h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 3rem 0 1.1rem; }
.prose h3 { margin: 2.2rem 0 0.8rem; }
.prose p { margin-bottom: 1.25rem; color: var(--faint); }
.prose p strong { color: var(--ink); font-weight: 500; }
.prose ul { margin: 0 0 1.25rem 1.2rem; color: var(--faint); }
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--sage); border-bottom: 1px solid rgba(169,189,151,0.35); transition: 0.3s; }
.prose a:hover { border-color: var(--sage); }

/* ---------- Info rows / schedule tables ---------- */

.info-line {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.info-line span:first-child { color: var(--muted); }

.day-block { border: 1px solid var(--line); background: var(--card); padding: 2.2rem 2.2rem 1.4rem; }
.day-block .kicker { margin-bottom: 0.6rem; }

/* ---------- Contact / footer ---------- */

.contact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.4rem; }
.contact-card {
  border: 1px solid var(--line);
  padding: 2.2rem 1.9rem;
  background: var(--card);
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
.contact-card:hover { border-color: rgba(169,189,151,0.4); transform: translateY(-5px); }
.contact-card .kicker { margin-bottom: 0.9rem; }
.contact-card .kicker::before { display: none; }
.contact-card p { font-size: 1rem; }
.contact-card a:hover { color: var(--sage); }

.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: clamp(3.5rem, 7vw, 6rem) 0 2.2rem;
  font-size: 0.92rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  margin-bottom: 3.5rem;
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }

.footer h4 {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1.2rem;
}
.footer p, .footer li { color: var(--muted); }
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.55rem; }
.footer a { transition: color 0.3s; }
.footer a:hover { color: var(--sage); }

.footer__brand {
  font-family: var(--serif);
  font-size: 1.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer__tagline { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--faint); max-width: 30ch; }

.footer__legal {
  border-top: 1px solid var(--line);
  padding-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

details.policy { border-bottom: 1px solid var(--line); padding: 1rem 0; }
details.policy summary {
  cursor: pointer;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.policy summary::after { content: "+"; font-size: 1.1rem; color: var(--sage); transition: 0.3s; }
details.policy[open] summary::after { transform: rotate(45deg); }
details.policy p { font-size: 0.85rem; color: var(--muted); margin-top: 0.9rem; }

/* ---------- Misc ---------- */

.divider-star { text-align: center; color: var(--sage); font-size: 1.2rem; padding: 0.5rem 0; }

.badge {
  display: inline-block;
  border: 1px solid rgba(169,189,151,0.4);
  color: var(--sage);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 1.6rem;
}

.app-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.8rem; }

.frame { border: 1px solid var(--line); padding: clamp(0.6rem, 1.4vw, 1.1rem); background: var(--card); }
.frame img { width: 100%; }

.poem {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  line-height: 1.75;
  color: var(--faint);
}

.big-cta-mail {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 3.4vw, 2.4rem);
  border-bottom: 1px solid var(--sage-deep);
  transition: color 0.3s, border-color 0.3s;
  overflow-wrap: anywhere;
}
.big-cta-mail:hover { color: var(--sage); border-color: var(--sage); }

.num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.6rem;
  color: var(--sage);
  line-height: 1;
}

/* back-to-top */
#toTop {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(10px);
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: 0.4s var(--ease);
  z-index: 90;
}
#toTop.show { opacity: 1; visibility: visible; transform: none; }
#toTop:hover { color: var(--sage); border-color: var(--sage-deep); }