/* ═══════════════════════════════════════════
   K3 TATTOO STUDIO — STYLE.CSS
   Palette: #0a0a0a · #fff · #CC0000 · #1a0000
   Type: Bebas Neue (display) + Rajdhani (body)
═══════════════════════════════════════════ */

/* ── Reset & Variables ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:     #0a0a0a;
  --black2:    #111111;
  --black3:    #1a1a1a;
  --red:       #CC0000;
  --red-bright:#FF0000;
  --red-dark:  #1a0000;
  --white:     #FFFFFF;
  --grey:      #888888;
  --grey-light:#bbbbbb;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Rajdhani', sans-serif;
  --radius: 4px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.red { color: var(--red); }

/* ── Section Shared ── */
section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--grey-light);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto;
  font-weight: 400;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover {
  background: var(--red-bright);
  border-color: var(--red-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(204,0,0,0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.07);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }


/* ══════════════════════════════════
   NAVBAR
══════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.97);
  padding: 12px 0;
  box-shadow: 0 2px 30px rgba(204,0,0,0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--red);
  object-fit: cover;
  background: #000;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: var(--white);
}

.logo-text .red {
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-light);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--red);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active { color: var(--white); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-cta {
  background: var(--red);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
  border: 2px solid var(--red);
  transition: background var(--transition), transform var(--transition);
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--red-bright);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  transition: var(--transition);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ══════════════════════════════════
   HERO
══════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(ellipse at center, #1a0000 0%, #0a0a0a 65%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  filter: grayscale(35%) contrast(1.1);
  z-index: 0;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.75) 55%, var(--black) 100%),
    radial-gradient(ellipse at center, rgba(26,0,0,0.35) 0%, rgba(10,10,10,0.55) 70%);
  z-index: 0;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.ink-splatters { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.splat {
  position: absolute;
  border-radius: 50% 60% 40% 70% / 50% 40% 60% 50%;
  background: var(--red);
  opacity: 0.04;
  filter: blur(2px);
}
.s1 { width: 280px; height: 200px; top: 10%; left: -5%; transform: rotate(30deg); }
.s2 { width: 180px; height: 260px; bottom: 15%; right: -3%; transform: rotate(-20deg); }
.s3 { width: 120px; height: 90px; top: 60%; left: 15%; transform: rotate(50deg); }
.s4 { width: 200px; height: 140px; top: 25%; right: 10%; transform: rotate(-10deg); }

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 120px 20px 60px;
}

/* Logo circle rings */
.logo-circle-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--red);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.outer-ring {
  width: 180px; height: 180px;
  border-color: rgba(204,0,0,0.6);
  animation: pulse-ring 2.5s ease-in-out infinite;
}
.mid-ring {
  width: 158px; height: 158px;
  border-color: rgba(204,0,0,0.3);
  animation: pulse-ring 2.5s ease-in-out 0.5s infinite;
}

.hero-logo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 3px solid var(--red);
  object-fit: cover;
  background: #000;
  position: relative;
  z-index: 2;
  box-shadow:
    0 0 20px rgba(204,0,0,0.5),
    0 0 60px rgba(204,0,0,0.2),
    inset 0 0 20px rgba(0,0,0,0.5);
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  color: var(--grey);
  text-transform: uppercase;
  font-weight: 600;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0.04em;
  text-shadow: 0 0 40px rgba(204,0,0,0.3);
}

.hero-sub {
  color: var(--grey-light);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--red);
  line-height: 1;
}
.stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--grey);
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.1);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.scroll-indicator span {
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--grey);
  font-weight: 700;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--red), transparent);
  animation: scroll-drop 1.8s ease-in-out infinite;
}


/* ══════════════════════════════════
   TICKER
══════════════════════════════════ */
.ticker-wrap {
  background: var(--red);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker {
  display: inline-block;
  animation: ticker-scroll 35s linear infinite;
}
.ticker span {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  color: var(--white);
  padding: 0 24px;
}
.ticker .sep {
  color: rgba(255,255,255,0.5);
  padding: 0 8px;
  letter-spacing: 0;
}


/* ══════════════════════════════════
   SERVICES
══════════════════════════════════ */
.services {
  background: var(--black2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--black3);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.service-card:hover {
  border-color: var(--red);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(204,0,0,0.15);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--red-dark);
  border: 1px solid rgba(204,0,0,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
  color: var(--red);
  transition: background var(--transition);
}
.service-card:hover .service-icon {
  background: var(--red);
  color: var(--white);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--grey-light);
  font-size: 0.9rem;
  line-height: 1.7;
}


/* ══════════════════════════════════
   GALLERY — horizontal infinite loop
══════════════════════════════════ */
.gallery-section { background: var(--black); }

.gallery-marquee {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.gallery-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: gallery-scroll 34s linear infinite;
}

.gallery-marquee:hover .gallery-track {
  animation-play-state: paused;
}

@keyframes gallery-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.gallery-item {
  position: relative;
  flex: 0 0 auto;
  width: 260px;
  height: 260px;
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  background: var(--black3);
  border: 1px solid rgba(255,255,255,0.06);
  margin: 0;
  transition: border-color var(--transition), transform var(--transition);
}
.gallery-item:hover {
  border-color: var(--red);
  transform: translateY(-4px);
}

.gallery-item--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.12);
  font-size: 2.6rem;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 8px,
    rgba(255,255,255,0.015) 8px,
    rgba(255,255,255,0.015) 16px
  );
  transition: var(--transition);
}

.gallery-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 0;
  text-align: center;
  background: linear-gradient(0deg, rgba(204,0,0,0.9), transparent);
  margin: 0;
}
.gallery-overlay span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--white);
}

.gallery-hint {
  text-align: center;
  margin-top: 24px;
  color: var(--grey);
  font-size: 0.85rem;
  font-style: italic;
}

.gallery-note {
  text-align: center;
  margin-top: 32px;
  color: var(--grey);
  font-size: 0.9rem;
  font-weight: 500;
}
.gallery-note a {
  color: var(--red);
  transition: color var(--transition);
}
.gallery-note a:hover { color: var(--red-bright); }
.gallery-note i { margin-right: 6px; }


/* ══════════════════════════════════
   ABOUT
══════════════════════════════════ */
.about {
  position: relative;
  background: var(--black2);
  overflow: hidden;
}

.about-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(60%);
  opacity: 0.22;
  z-index: 0;
}

.about-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--black2) 0%, rgba(17,17,17,0.85) 50%, var(--black2) 100%);
  z-index: 0;
}

.about-inner {
  position: relative;
  z-index: 2;
}

/* Artist cards */
.about-artists-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}

.artist-card {
  background: var(--black3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.artist-card:hover {
  transform: translateY(-6px);
  border-color: var(--red);
}

.artist-card__photo {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.artist-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.artist-card__body {
  padding: 24px 20px;
}
.artist-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.artist-card__role {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}
.artist-card__body p {
  color: var(--grey-light);
  font-size: 0.9rem;
  line-height: 1.7;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.about-pillars--centered {
  grid-template-columns: repeat(4, auto);
  justify-content: center;
  max-width: 900px;
  margin-inline: auto;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.pillar {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--grey-light);
  letter-spacing: 0.04em;
}
.pillar i {
  color: var(--red);
  font-size: 1rem;
  width: 18px;
  flex-shrink: 0;
}


/* ══════════════════════════════════
   BOOKING
══════════════════════════════════ */
.booking {
  background: var(--black);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(204,0,0,0.08) 0%, transparent 60%);
}

.booking-wrapper {
  max-width: 740px;
  margin: 0 auto;
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-light);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--black3);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
}
.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-group select option { background: var(--black3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group textarea { resize: vertical; min-height: 120px; }

input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.5); cursor: pointer; }

.form-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--grey);
  font-weight: 500;
}


/* ══════════════════════════════════
   CONTACT
══════════════════════════════════ */
.contact { background: var(--black2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}
.contact-item i {
  color: var(--red);
  font-size: 1.2rem;
  margin-top: 4px;
  flex-shrink: 0;
  width: 20px;
}
.contact-item strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 6px;
  font-weight: 700;
}
.contact-item p {
  color: var(--grey-light);
  font-size: 0.95rem;
  line-height: 1.7;
}
.contact-item a {
  color: var(--grey-light);
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--red); }

.social-links {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}
.social-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--grey-light);
  transition: var(--transition);
}
.social-btn:hover { transform: translateY(-3px); }
.social-btn.instagram:hover { background: #E1306C; border-color: #E1306C; color: #fff; }
.social-btn.whatsapp:hover  { background: #25D366; border-color: #25D366; color: #fff; }
.social-btn.youtube:hover   { background: #FF0000; border-color: #FF0000; color: #fff; }

.map-embed {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}
.map-embed iframe { display: block; }


/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
.footer {
  background: #060606;
  border-top: 1px solid rgba(204,0,0,0.2);
  padding-top: 64px;
  padding-bottom: 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-logo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--red);
  object-fit: cover;
  background: #000;
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--grey);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links ul li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--grey);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--red); }

.footer-contact p {
  color: var(--grey);
  font-size: 0.9rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i { color: var(--red); width: 16px; }
.footer-contact a { color: var(--grey); transition: color var(--transition); }
.footer-contact a:hover { color: var(--red); }

.footer-bottom {
  padding-top: 28px;
  text-align: center;
}
.footer-bottom p {
  color: rgba(255,255,255,0.3);
  font-size: 0.8rem;
  margin-bottom: 6px;
}
.footer-warning {
  color: rgba(204,0,0,0.5) !important;
  font-size: 0.75rem !important;
  font-weight: 600;
}


/* ══════════════════════════════════
   FLOATING BUTTONS
══════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 28px;
  width: 54px; height: 54px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  z-index: 900;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: bounce-float 2.5s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px; height: 44px;
  background: var(--red);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.site-credit {
  position: fixed;
  bottom: 6px;
  left: 8px;
  font-size: 0.6rem;
  letter-spacing: 0.03em;
  color: var(--grey-light, #999);
  opacity: 0.45;
  z-index: 900;
  pointer-events: none;
  user-select: none;
}
.back-to-top:hover { background: var(--red-bright); }