/* ═══════════════════════════════════════════════════════
   CHRONOS CLUB — Apple/Antigravity Minimalist
   Pure white · Inter + Playfair · Zero noise
═══════════════════════════════════════════════════════ */

/* ─── RESET & TOKENS ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

:root {
  --white:      #FFFFFF;
  --off:        #F5F5F7;   /* Apple off-white */
  --border:     #E5E5EA;   /* Apple separator */
  --text-1:     #1D1D1F;   /* Apple primary */
  --text-2:     #3A3A3C;
  --text-3:     #6E6E73;   /* Apple secondary */
  --text-4:     #AEAEB2;
  --accent:     #1D1D1F;   /* Monochrome accent */
  --wpp:        #25D366;
  --wpp-dark:   #128C7E;

  --nav-h:      60px;
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --spring:     cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);

  --r-sm:  6px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-full: 9999px;

  --px: clamp(20px, 5vw, 80px);
  --shadow: 0 2px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
}

body {
  background: var(--white);
  color: var(--text-1);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; padding: 0; }
ul { list-style: none; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ═══════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: box-shadow 0.3s var(--ease);
}
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 var(--px);
  display: flex;
  align-items: center;
  position: relative; /* Essential for absolute centering */
}

.nav-hamburger {
  display: flex; 
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 220;
  margin-right: auto; /* Push others */
  position: relative;
  left: -8px; 
}

.nav-logo {
  display: flex;
  align-items: center;
  z-index: 210;
  margin-right: 20px;
}

.nav-logo-img {
  height: 42px; /* Made larger */
  width: auto;
  object-fit: contain;
  filter: brightness(0);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-link {
  position: relative;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: 0.01em;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 18px; right: 18px;
  height: 1.5px;
  background: var(--text-1);
  transform: scaleX(0);
  transition: transform 0.28s var(--ease-out);
  transform-origin: left;
}
.nav-link:hover, .nav-link.active { color: var(--text-1); }
.nav-link.active::after { transform: scaleX(1); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  background: var(--wpp);
  color: #fff;
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.2s var(--ease);
  flex-shrink: 0;
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }
.nav-cta:active { transform: scale(0.97); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--text-1);
  border-radius: 1px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 12px var(--px) 20px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.98);
}
.nav-mobile.open { display: flex; }

.nav-link-mob {
  padding: 13px 0;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  text-align: left;
  transition: color 0.2s;
}
.nav-link-mob:hover { color: var(--text-1); }
.nav-link-mob:last-of-type { border-bottom: none; }

.nav-cta-mob {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: var(--wpp);
  color: #fff;
  border-radius: var(--r-full);
  font-size: 0.82rem;
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #111;
}

.hero-bg { position: absolute; inset: 0; z-index: 1; }
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.9;
  filter: brightness(0.85);
}
.hero-overlay {
  position: absolute; inset: 0;
  z-index: 2;
  background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 5;
  padding: calc(var(--nav-h) + 60px) var(--px) 80px;
  max-width: 720px;
}

.hero-eyebrow {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
  animation: fadeUp 1s var(--ease-out) 0.2s both;
}

.hero-title {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 400;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
  text-align: left;
}
.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
}

.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 44ch;
  animation: fadeUp 1s var(--ease-out) 0.5s both;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeUp 1s var(--ease-out) 0.65s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: #fff;
  color: var(--text-1);
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: opacity 0.2s, transform 0.2s var(--ease);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.8);
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 400;
  transition: border-color 0.2s, transform 0.2s var(--ease);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.6); transform: translateY(-1px); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 5;
}
.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.7); }
}

/* ═══════════════════════════════════════════════════════
   COLLECTION SECTIONS
═══════════════════════════════════════════════════════ */
.collection-section {
  padding: 100px var(--px);
  max-width: 1400px;
  margin: 0 auto;
}
.collection-section.alt-bg {
  max-width: none;
  background: var(--off);
}
.collection-section.alt-bg > .section-header,
.collection-section.alt-bg > .watch-grid {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 60px;
}

.eyebrow {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-1);
  letter-spacing: -0.01em;
}
.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--text-3);
}

.section-desc {
  color: var(--text-3);
  font-size: 0.88rem;
  line-height: 1.75;
  align-self: end;
  max-width: 44ch;
}

/* ─── Watch Grid ─── */
.watch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ─── Watch Card ─── */
.watch-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.3s;
  animation: cardIn 0.5s var(--ease-out) both;
}
.alt-bg .watch-card { background: var(--white); }
.watch-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,0,0,0.14);
}
.watch-card:active { transform: scale(0.99); }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.wc-badge {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 5;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--text-1);
  color: #fff;
}
.wc-badge.encomenda {
  background: var(--off);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.wc-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--off);
}
.wc-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}
.watch-card:hover .wc-img-wrap img { transform: scale(1.06); }
.wc-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-4);
  font-size: 2.5rem;
}

.wc-info {
  padding: 18px 18px 20px;
}
.wc-brand {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 5px;
}
.wc-name {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.35;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.wc-price {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-1);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.wc-price-old {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-4);
  text-decoration: line-through;
  margin-right: 6px;
}

.wc-actions {
  display: flex;
  gap: 8px;
}
.wc-btn-details {
  flex: 1;
  padding: 9px 12px;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-2);
  background: var(--off);
  border: 1px solid var(--border);
  transition: all 0.2s var(--ease);
  text-align: center;
}
.wc-btn-details:hover { background: var(--border); color: var(--text-1); }

.wc-btn-buy {
  flex: 1.5;
  padding: 10px 16px;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 500;
  background: #000; /* Minimalist Black */
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.2s, transform 0.2s var(--ease);
  white-space: nowrap;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.wc-btn-buy:hover { opacity: 0.88; }
.wc-btn-buy:active { transform: scale(0.97); }

/* ═══════════════════════════════════════════════════════
   PRODUCT PANEL (slide-in from right)
═══════════════════════════════════════════════════════ */
.product-overlay {
  position: fixed; inset: 0;
  z-index: 300;
  background: rgba(0,0,0,0.25);
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.product-overlay.open { opacity: 1; pointer-events: all; }

.product-panel {
  position: fixed;
  top: 0; right: 0;
  width: min(620px, 100vw);
  height: 100dvh;
  background: var(--white);
  z-index: 310;
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
  transform: translateX(105%);
  transition: transform 0.45s var(--ease-out);
  box-shadow: -12px 0 48px rgba(0,0,0,0.1);
}
.product-panel.open { transform: translateX(0); }

.pp-header {
  display: flex;
  justify-content: flex-end;
  padding: 20px 24px 0;
  flex-shrink: 0;
}

.pp-close {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: var(--off);
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.pp-close:hover { background: var(--border); color: var(--text-1); }

.pp-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

/* Inside pp-body, generated via JS */
.pp-images {
  width: 100%;
  height: 380px;
  position: relative;
  overflow: hidden;
  background: var(--off);
}
.pp-img-main {
  width: 100%; height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}
.pp-img-thumbs {
  position: absolute;
  bottom: 12px; left: 12px;
  display: flex;
  gap: 8px;
}
.pp-thumb {
  width: 52px; height: 52px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s;
}
.pp-thumb.active { border-color: var(--text-1); }
.pp-thumb img { width: 100%; height: 100%; object-fit: cover; }

.pp-content {
  padding: 28px 32px 48px;
}
.pp-brand {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 8px;
}
.pp-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.25;
  margin-bottom: 6px;
}
.pp-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
}
.pp-price {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
}
.pp-price-old-2 {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-4);
  text-decoration: line-through;
}

.pp-buy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  background: #000;
  color: #fff;
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: opacity 0.2s, transform 0.2s var(--ease);
  margin-bottom: 24px;
}
.pp-buy-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.pp-buy-btn:active { transform: scale(0.98); }

.pp-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}
.pp-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.pp-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.pp-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.83rem;
}
.pp-spec-row:last-child { border-bottom: none; }
.pp-spec-label { color: var(--text-3); font-weight: 400; }
.pp-spec-val { color: var(--text-1); font-weight: 400; text-align: right; }

.pp-desc {
  color: var(--text-2);
  font-size: 0.85rem;
  line-height: 1.75;
  font-weight: 300;
}

/* Encomenda tag */
.pp-encomenda-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--off);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ═══════════════════════════════════════════════════════
   FAB WhatsApp Menu
═══════════════════════════════════════════════════════ */
.fab-container {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 250;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.fab-main {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wpp), var(--wpp-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 28px rgba(37,211,102,0.4);
  transition: transform 0.3s var(--spring);
  animation: fabIn 0.8s var(--spring) 1s both;
}
.fab-main:hover { transform: scale(1.08); }
.fab-main.active { transform: rotate(45deg); background: var(--text-1); }

.fab-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px) scale(0.9);
  transform-origin: bottom right;
  transition: all 0.3s var(--ease-out);
}
.fab-menu.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

.fab-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  color: var(--text-1);
  box-shadow: var(--shadow);
  transition: transform 0.2s, background 0.2s;
}
.fab-menu-item:hover {
  transform: translateX(-4px);
  background: var(--white);
}

.fab-label {
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
}

.fab-icon-sm {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--wpp);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}

@keyframes fabIn {
  from { opacity: 0; transform: translateY(16px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ═══════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════ */
.footer {
  background: var(--off);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 72px var(--px);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
}
.footer-logo {
  height: 26px; width: auto;
  object-fit: contain;
  filter: brightness(0);
  margin-bottom: 12px;
}
.footer-tagline {
  font-style: italic;
  color: var(--text-4);
  font-size: 0.82rem;
  font-family: 'Playfair Display', serif;
  margin-bottom: 24px;
}
.footer-social { display: flex; flex-direction: column; gap: 10px; }
.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-3);
  font-weight: 300;
  transition: color 0.2s;
}
.footer-social-link:hover { color: var(--text-1); }

.footer-col-title {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 18px;
}
.footer-nav-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: 0.83rem;
  font-weight: 300;
  color: var(--text-3);
  transition: color 0.2s;
  display: inline-block;
}
.footer-link:hover { color: var(--text-1); }

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px var(--px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom p {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-4);
}

/* ═══════════════════════════════════════════════════════
   BACK TO TOP
═══════════════════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 28px;
  z-index: 250;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  color: var(--text-1);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.9);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out), background 0.2s, color 0.2s;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  background: var(--text-1);
  color: #fff;
  border-color: var(--text-1);
  transform: translateY(-2px) scale(1.05);
}
.back-to-top:active { transform: scale(0.97); }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .watch-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-hamburger { margin-right: 0; }
  .section-header { grid-template-columns: 1fr; gap: 16px; }
  .watch-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 540px) {
  .watch-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.5rem; }
  .pp-content { padding: 20px 20px 40px; }
  .pp-images { height: 280px; }
  .collection-section { padding: 72px var(--px); }
}