/* ============================================================
   AquaFun – Single Product Page Stylesheet
   Brand palette:
     Sunny Yellow  #FFD23F  — highlights, CTA, active accents
     Pool Blue     #00B4D8  — water accents, bright brand elements
     Deep Blue     #0077B6  — nav, buttons, headings, contrast
     Soft Sky Blue #CAF0F8  — soft backgrounds, cards, icon fills
     Coral         #FF6B6B  — badges, small accents, visual contrast
     Cream         #FFF8E7  — warm background sections
     Ink/Dark Navy #0A2540  — main dark text
     Muted Blue-Gray #6B7C93 — secondary text, descriptions
     White         #FFFFFF  — cards, panels, spacing
   ============================================================ */

:root {
  /* — Primary brand colours — */
  --yellow:       #FFD23F;
  --yellow-light: #FFE9A0;
  --yellow-dark:  #E6B800;
  --pool:         #00B4D8;
  --pool-d:       #0099BB;
  --deep:         #0077B6;
  --deep-d:       #005D91;
  --sky:          #CAF0F8;
  --coral:        #FF6B6B;

  /* — Neutral / supporting — */
  --cream:        #FFF8E7;
  --cream-b:      #F0E6C8;
  --ink:          #0A2540;
  --ink-mid:      #1A3A5C;
  --muted:        #6B7C93;
  --white:        #FFFFFF;

  /* — UI tones — */
  --bg:           #F4F8FB;
  --bg-alt:       #EEF4F8;
  --border:       #E3EDF2;
  --border-mid:   #CAD8E3;

  /* — Functional — */
  --success:      #22C55E;
  --star:         #FFB800;

  /* — Shadows — */
  --sh-sm:  0 1px 4px rgba(0,119,182,.12);
  --sh-md:  0 4px 20px rgba(0,119,182,.18);
  --sh-lg:  0 12px 48px rgba(0,119,182,.14);
  --sh-xl:  0 24px 72px rgba(0,0,0,.16);

  /* — Typography — */
  --font-head: 'Poppins', system-ui, sans-serif;
  --font-body: 'Poppins', system-ui, sans-serif;

  /* — Misc — */
  --r-sm: 6px;  --r-md: 12px;  --r-lg: 20px;  --r-xl: 32px;
  --ease: .25s ease;
  --hdr: 70px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Poppins', system-ui, sans-serif; color: var(--ink); background: #fff; line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ---------- Container ---------- */
.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: clamp(16px,4vw,48px); }

/* ---------- Section Header ---------- */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-head); font-weight: 700;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--pool); margin-bottom: .5rem;
}
.section-title {
  font-family: var(--font-head); font-weight: 900;
  font-size: clamp(1.75rem,3vw,2.5rem); color: var(--ink);
  line-height: 1.15; margin-bottom: .75rem;
}
.section-subtitle { font-size: 1.0625rem; color: var(--muted); max-width: 600px; margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 700; font-size: .9rem;
  letter-spacing: .04em; padding: .8rem 1.75rem;
  border-radius: var(--r-sm); border: 2px solid transparent;
  transition: all var(--ease); cursor: pointer; white-space: nowrap;
}
.btn--primary {
  background: var(--deep); color: #fff; border-color: var(--deep);
}
.btn--primary:hover {
  background: var(--deep-d); border-color: var(--deep-d);
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,119,182,.35);
}
.btn--secondary {
  background: var(--yellow); color: var(--ink); border-color: var(--yellow);
}
.btn--secondary:hover {
  background: var(--yellow-dark); border-color: var(--yellow-dark);
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,210,63,.4);
}
.btn--outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.75); }
.btn--outline:hover { background: #fff; color: var(--deep); }
.btn--sm { padding: .5rem 1.1rem; font-size: .8rem; }
.btn--lg { padding: 1rem 2.5rem; font-size: 1rem; }
.text-accent { color: var(--coral); }

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */
.announce-bar {
  position: relative; z-index: 901;
  background: var(--ink); color: rgba(255,255,255,.85);
  font-size: .8rem; padding: .5rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.announce-bar__track {
  overflow: hidden;
  width: 100%;
}
.announce-bar__inner {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  animation: marqueeScroll 32s linear infinite;
  will-change: transform;
}
.announce-bar__inner:hover {
  animation-play-state: paused;
}
@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.announce-bar strong { color: var(--yellow); }
.announce-bar i { color: var(--yellow); margin-right: .3rem; }
.announce-bar__dot {
  color: var(--coral); font-size: .65rem; opacity: .7;
  flex-shrink: 0;
}
.announce-bar__divider { opacity: .35; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: absolute; top: 36px; left: 0; right: 0; z-index: 900;
  background: transparent;
  border-bottom: none;
  box-shadow: none;
  transition: background var(--ease), box-shadow var(--ease), top var(--ease);
  overflow: visible;
}
.site-header.scrolled {
  position: fixed; top: 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,119,182,.1);
}

.header__inner {
  height: var(--hdr); display: flex; align-items: center; gap: 1.5rem;
  overflow: visible;
}

.logo { display: flex; align-items: center; flex-shrink: 0; position: relative; z-index: 10; }
.logo__img {
  height: 90px; width: auto; display: block; object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,119,182,.2));
  transition: transform .25s ease;
}
.logo:hover .logo__img { transform: scale(1.04); }
.logo__img--footer { height: 80px; filter: drop-shadow(0 2px 8px rgba(0,0,0,.2)); }

.main-nav { margin-left: auto; }
.main-nav__list { display: flex; align-items: center; gap: .25rem; }
.main-nav__link {
  font-family: var(--font-head); font-weight: 600; font-size: .875rem;
  color: var(--ink); padding: .5rem .9rem;
  letter-spacing: .01em; transition: color var(--ease);
  position: relative;
}
.main-nav__link::after {
  content: '';
  position: absolute; bottom: -2px; left: .9rem; right: .9rem;
  height: 2.5px; border-radius: 2px;
  background: var(--yellow);
  transform: scaleX(0); transform-origin: center;
  transition: transform .25s ease;
}
.main-nav__link:hover { color: var(--ink); }
.main-nav__link:hover::after { transform: scaleX(1); }
.main-nav__link.active { color: var(--ink); font-weight: 700; }
.main-nav__link.active::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }

/* Cart / Buy icon */
.header__cart {
  display: flex; align-items: center; gap: .45rem;
  font-family: var(--font-head); font-weight: 700; font-size: .875rem;
  color: var(--ink); padding: .5rem .9rem;
  border-radius: var(--r-xl);
  background: var(--yellow);
  transition: all var(--ease);
  white-space: nowrap;
}
.header__cart:hover {
  background: var(--yellow-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255,210,63,.45);
}
.header__cart i { font-size: .9rem; }
.header__cart-label { display: inline; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: .5rem; border-radius: var(--r-sm); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all var(--ease); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: linear-gradient(135deg, #b8f0e6 0%, #caf0f8 30%, #e8f6ff 60%, #fff8e7 80%, #ffe9a0 100%);
  display: flex; align-items: center;
}

/* Decorative water ripple circles */
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,216,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,210,63,.14) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-block: 5rem;
  padding-top: calc(var(--hdr) + 5rem);
  width: 100%;
}

/* Left: text */
.hero__text { display: flex; flex-direction: column; align-items: flex-start; }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  background: #fff; border: 1px solid var(--border);
  color: var(--ink-mid); font-family: var(--font-head); font-weight: 600;
  font-size: .8rem; letter-spacing: .04em;
  padding: .4rem 1rem; border-radius: var(--r-xl); margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.hero__title {
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  color: var(--ink); line-height: 1.1; margin-bottom: 1.25rem;
}
.hero__title .text-accent { color: var(--deep); }
.hero__subtitle {
  font-size: clamp(.95rem, 1.4vw, 1.075rem);
  color: var(--muted); max-width: 460px; margin-bottom: 2rem; line-height: 1.75;
}
.hero__ctas { display: flex; gap: .875rem; flex-wrap: wrap; margin-bottom: 2rem; }

/* Outline button variant for hero (dark outline on light bg) */
.btn--hero-outline {
  background: transparent; color: var(--deep);
  border: 2px solid var(--deep); border-radius: var(--r-xl);
}
.btn--hero-outline:hover { background: var(--deep); color: #fff; }

/* Round pill shape for hero buttons */
.hero__ctas .btn { border-radius: var(--r-xl); }

.hero__trust {
  display: flex; align-items: center; gap: .75rem;
  font-size: .875rem; color: var(--muted);
  font-family: var(--font-head); font-weight: 600;
}
.hero__stars { color: var(--star); letter-spacing: .05em; }

/* Right: hero media showcase */
.hero__media {
  display: flex; align-items: center; justify-content: center;
  position: relative;
  padding: 2rem 1rem;
}

/* Glow blob behind image */
.hero__media::before {
  content: '';
  position: absolute;
  width: 80%; height: 80%;
  background: radial-gradient(ellipse at center, rgba(0,180,216,.28) 0%, rgba(0,119,182,.12) 55%, transparent 75%);
  border-radius: 50%;
  z-index: 0;
  animation: heroPulse 4s ease-in-out infinite alternate;
}
@keyframes heroPulse {
  from { transform: scale(1);   opacity: .8; }
  to   { transform: scale(1.1); opacity: 1;  }
}

.hero__img-card {
  position: relative; z-index: 1;
  border-radius: 28px;
  overflow: visible;
  background: #fff;
  padding: 1.25rem 1.25rem 0.5rem;
  box-shadow:
    0 0 0 1px rgba(0,119,182,.1),
    0 8px 32px rgba(0,119,182,.18),
    0 32px 80px rgba(0,80,140,.16);
  transition: transform .4s ease, box-shadow .4s ease;
  max-width: 500px; width: 100%;
}
.hero__img-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow:
    0 0 0 1px rgba(0,119,182,.15),
    0 16px 48px rgba(0,119,182,.24),
    0 48px 100px rgba(0,80,140,.2);
}
.hero__img-card img {
  width: 100%; height: auto; display: block;
  border-radius: 16px;
  object-fit: contain;
}

/* Floating badge — top left */
.hero__badge-1 {
  position: absolute; z-index: 3;
  top: .5rem; left: -1rem;
  background: var(--deep); color: #fff;
  font-family: var(--font-head); font-weight: 700; font-size: .72rem;
  padding: .45rem .9rem; border-radius: var(--r-xl);
  box-shadow: 0 4px 16px rgba(0,119,182,.35);
  white-space: nowrap;
  animation: floatA 3s ease-in-out infinite alternate;
}
.hero__badge-1 i { color: var(--yellow); margin-right: .3rem; }

/* Floating badge — bottom right */
.hero__badge-2 {
  position: absolute; z-index: 3;
  bottom: 1.5rem; right: -1rem;
  background: var(--yellow); color: var(--ink);
  font-family: var(--font-head); font-weight: 700; font-size: .72rem;
  padding: .45rem .9rem; border-radius: var(--r-xl);
  box-shadow: 0 4px 16px rgba(255,210,63,.4);
  white-space: nowrap;
  animation: floatB 3.5s ease-in-out infinite alternate;
}
.hero__badge-2 i { margin-right: .3rem; }

/* Floating badge — top right */
.hero__badge-3 {
  position: absolute; z-index: 3;
  top: 2rem; right: -0.5rem;
  background: #fff; color: var(--ink);
  border: 1px solid var(--border);
  font-family: var(--font-head); font-weight: 700; font-size: .72rem;
  padding: .45rem .9rem; border-radius: var(--r-xl);
  box-shadow: 0 4px 14px rgba(0,0,0,.1);
  white-space: nowrap;
  display: flex; align-items: center; gap: .35rem;
  animation: floatA 4s ease-in-out infinite alternate;
}
.hero__badge-3 .stars { color: var(--star); letter-spacing: .05em; }

@keyframes floatA {
  from { transform: translateY(0px); }
  to   { transform: translateY(-8px); }
}
@keyframes floatB {
  from { transform: translateY(0px); }
  to   { transform: translateY(8px); }
}

.hero__scroll {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.7); border: 1px solid var(--border);
  color: var(--deep); display: flex; align-items: center; justify-content: center;
  z-index: 2; animation: bounce .6s ease infinite alternate;
  backdrop-filter: blur(6px); box-shadow: var(--sh-sm);
}
@keyframes bounce {
  from { transform: translateX(-50%) translateY(0); }
  to   { transform: translateX(-50%) translateY(-6px); }
}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip { background: var(--deep); padding: 1rem 0; }
.trust-strip__grid {
  display: flex; align-items: center; justify-content: center;
  gap: 2rem; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 600; font-size: .8rem;
  color: rgba(255,255,255,.85);
}
.trust-item i { color: var(--yellow); font-size: 1rem; }

/* ============================================================
   PRODUCT SECTION
   ============================================================ */
.product-section { padding: 4rem 0; background: var(--bg); }
.product-section__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start;
}

/* Gallery */
.product-gallery__main {
  border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 4/3; background: #fff;
  box-shadow: var(--sh-lg); position: relative;
}
.product-gallery__main img {
  width: 100%; height: 100%; object-fit: cover;
  transition: opacity .3s ease;
}
.product-gallery__thumbs {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin-top: .75rem;
}
.thumb {
  border-radius: var(--r-md); overflow: hidden;
  border: 2px solid transparent; cursor: pointer;
  transition: all var(--ease); background: #fff;
  aspect-ratio: 1; padding: 0;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { border-color: var(--pool); }
.thumb.active {
  border-color: var(--deep);
  box-shadow: 0 0 0 3px rgba(0,119,182,.2);
}

/* Buy Box */
.buy-box__brand {
  font-family: var(--font-head); font-weight: 700; font-size: .75rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--pool);
  display: block; margin-bottom: .4rem;
}
.buy-box__name {
  font-family: var(--font-head); font-weight: 900;
  font-size: clamp(1.5rem,2.5vw,2.25rem); color: var(--ink);
  line-height: 1.15; margin-bottom: .75rem;
}
.buy-box__rating {
  display: flex; align-items: center; gap: .4rem;
  margin-bottom: 1.25rem; font-size: .875rem;
  color: var(--star);
}
.buy-box__review-count {
  color: var(--deep); font-size: .875rem;
  font-family: var(--font-head); font-weight: 600;
}
.buy-box__price {
  display: flex; align-items: baseline; gap: .625rem;
  margin-bottom: 1rem;
}
.price-current { font-family: var(--font-head); font-weight: 900; font-size: 2rem; color: var(--deep); }
.price-old { font-size: 1.125rem; color: var(--muted); text-decoration: line-through; }
.price-badge {
  background: var(--coral); color: #fff;
  font-family: var(--font-head); font-weight: 700; font-size: .875rem;
  padding: .35rem .875rem; border-radius: var(--r-xl);
  border: 1px solid var(--coral);
}
.buy-box__tagline {
  font-size: .9375rem; color: var(--muted); margin-bottom: 1.5rem; line-height: 1.65;
}

/* Dimensions display */
.buy-box__dimensions {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-bottom: 1.5rem;
}
.dimension-chip {
  display: flex; align-items: center; gap: .4rem;
  background: var(--sky); border: 1px solid rgba(0,119,182,.18);
  border-radius: var(--r-xl); padding: .45rem 1rem;
  font-family: var(--font-head); font-weight: 700; font-size: .8rem;
  color: var(--deep);
}
.dimension-chip i { font-size: .85rem; }

/* Size Selector */
.buy-box__option-group { margin-bottom: 1.5rem; }
.buy-box__option-label {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .75rem;
  font-family: var(--font-head); font-weight: 700; font-size: .8125rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--ink);
}
.buy-box__selected-label {
  color: var(--deep); font-weight: 600;
  text-transform: none; letter-spacing: 0; font-size: .8rem;
}
.size-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: .625rem; }
.size-option input { position: absolute; opacity: 0; pointer-events: none; }
.size-option__inner {
  display: flex; flex-direction: column; align-items: center; gap: .1rem;
  padding: .75rem .5rem; border-radius: var(--r-md);
  border: 2px solid var(--border); background: #fff; cursor: pointer;
  transition: all var(--ease); text-align: center;
}
.size-option__inner strong {
  font-family: var(--font-head); font-weight: 800; font-size: 1.125rem; color: var(--ink);
}
.size-option__inner small {
  font-size: .68rem; color: var(--muted);
  font-family: var(--font-head); font-weight: 600; line-height: 1.3;
}
.size-option__inner em {
  font-style: normal; font-family: var(--font-head); font-weight: 700;
  font-size: .8rem; color: var(--deep); margin-top: .1rem;
}
.size-option:hover .size-option__inner { border-color: var(--pool); }
.size-option input:checked + .size-option__inner {
  border-color: var(--deep);
  background: rgba(0,119,182,.05);
  box-shadow: 0 0 0 3px rgba(0,119,182,.15);
}

/* Qty + Add to Cart */
.buy-box__actions { display: flex; gap: .75rem; margin-bottom: .875rem; }
.qty-selector {
  display: flex; align-items: center;
  border: 2px solid var(--border); border-radius: var(--r-sm); overflow: hidden;
}
.qty-btn {
  width: 42px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: var(--ink);
  transition: background var(--ease);
}
.qty-btn:hover { background: var(--sky); }
#qty-input {
  width: 48px; text-align: center;
  border: none; border-left: 2px solid var(--border); border-right: 2px solid var(--border);
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  height: 50px; outline: none;
}
.buy-box__add { flex: 1; }
.buy-box__buy-now {
  width: 100%; background: var(--yellow); color: var(--ink);
  border-color: var(--yellow); margin-bottom: 1.25rem;
  font-weight: 800;
}
.buy-box__buy-now:hover {
  background: var(--yellow-dark); border-color: var(--yellow-dark);
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,210,63,.45);
}

/* Trust bullets */
.buy-box__trust {
  display: flex; flex-direction: column; gap: .5rem;
  padding: 1.25rem; background: var(--sky); border-radius: var(--r-md);
  margin-bottom: 1.25rem;
}
.buy-box__trust li {
  display: flex; align-items: center; gap: .625rem;
  font-size: .875rem; color: var(--ink-mid); font-family: var(--font-head); font-weight: 600;
}
.buy-box__trust i { color: var(--success); font-size: .9rem; width: 16px; text-align: center; }

/* Spec chips */
.buy-box__specs { display: flex; gap: .5rem; flex-wrap: wrap; }
.spec-chip {
  display: flex; align-items: center; gap: .4rem;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: .35rem .875rem; font-size: .775rem;
  font-family: var(--font-head); font-weight: 600; color: var(--muted);
}
.spec-chip i { color: var(--pool); font-size: .8rem; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works { padding: 5rem 0; background: var(--cream); }
.steps-grid {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 1rem; flex-wrap: wrap;
}
.step-card {
  flex: 1; min-width: 200px; max-width: 300px;
  background: #fff; border-radius: var(--r-lg);
  box-shadow: var(--sh-sm); overflow: hidden;
  position: relative; transition: box-shadow var(--ease);
}
.step-card:hover { box-shadow: var(--sh-md); }
.step-card__num {
  position: absolute; top: .875rem; left: .875rem; z-index: 2;
  background: var(--yellow); color: var(--ink);
  font-family: var(--font-head); font-weight: 900; font-size: .72rem;
  letter-spacing: .08em; padding: .25rem .625rem; border-radius: var(--r-xl);
}
.step-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.step-card h3 {
  font-family: var(--font-head); font-weight: 800; font-size: 1rem;
  color: var(--ink); padding: 1rem 1.25rem .375rem;
}
.step-card p { font-size: .875rem; color: var(--muted); padding: 0 1.25rem 1.25rem; line-height: 1.65; }
.step-card__arrow {
  font-size: 1.25rem; color: var(--pool);
  align-self: center; flex-shrink: 0; padding-top: 1rem;
}

/* ============================================================
   FEATURE BLOCKS
   ============================================================ */
.feat-block { padding: 5rem 0; background: #fff; }
.feat-block--dark { background: var(--ink); }
.feat-block--teal { background: var(--sky); }

.feat-block__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.feat-block__grid--flip .feat-block__text { order: 1; }
.feat-block__grid--flip .feat-block__media { order: 2; }

.feat-block__media img {
  width: 100%; border-radius: var(--r-lg); box-shadow: var(--sh-xl);
}
.feat-block--dark .feat-block__media img { box-shadow: 0 20px 60px rgba(0,0,0,.5); }

.feat-block__text .section-eyebrow { display: block; text-align: left; margin-bottom: .5rem; }
.feat-block__text h2 {
  font-family: var(--font-head); font-weight: 900;
  font-size: clamp(1.625rem,2.5vw,2.125rem); color: var(--ink);
  line-height: 1.2; margin-bottom: 1rem;
}
.feat-block--dark .feat-block__text .section-eyebrow { color: var(--yellow); }
.feat-block--dark .feat-block__text h2 { color: #fff; }
.feat-block__text > p { color: var(--muted); line-height: 1.75; margin-bottom: 1.5rem; font-size: .9375rem; }
.feat-block--dark .feat-block__text > p { color: rgba(255,255,255,.75); }

/* Feature list */
.feat-list { display: flex; flex-direction: column; gap: 1rem; }
.feat-list li { display: flex; align-items: flex-start; gap: .875rem; font-size: .9rem; }
.feat-list > li > i { color: var(--pool); font-size: 1rem; flex-shrink: 0; margin-top: .2rem; }
.feat-list span { color: var(--ink-mid); line-height: 1.6; }
.feat-list strong { display: block; font-family: var(--font-head); font-weight: 700; font-size: .875rem; margin-bottom: .15rem; color: var(--ink); }
.feat-block--dark .feat-list > li > i { color: var(--yellow); }
.feat-block--dark .feat-list span { color: rgba(255,255,255,.72); }
.feat-block--dark .feat-list strong { color: #fff; }

/* Compare section layout */
.compare-section__top {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem;
  align-items: start; margin-bottom: 2.5rem;
}
.compare-section__intro .section-eyebrow { display: block; text-align: left; margin-bottom: .5rem; }
.compare-section__intro h2 {
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(1.625rem,2.5vw,2.125rem); color: #fff;
  line-height: 1.2; margin-bottom: 1rem;
}
.compare-section__intro p { color: rgba(255,255,255,.75); line-height: 1.75; font-size: .9375rem; }

/* Pool photos */
.pool-photos {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.pool-photo {
  border-radius: var(--r-lg); overflow: hidden; position: relative;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
}
.pool-photo img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block;
  transition: transform .5s ease;
}
.pool-photo:hover img { transform: scale(1.04); }
.pool-photo__label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: .75rem 1.1rem;
  font-family: var(--font-head); font-weight: 700; font-size: .875rem;
  display: flex; align-items: center; gap: .5rem;
}
.pool-photo--ours { border: 2px solid var(--deep); }
.pool-photo--ours .pool-photo__label {
  background: rgba(0,119,182,.82); color: #fff;
  backdrop-filter: blur(6px);
}
.pool-photo--ours .pool-photo__label i { color: var(--yellow); }
.pool-photo--theirs { border: 2px solid rgba(255,255,255,.15); filter: grayscale(40%); }
.pool-photo--theirs .pool-photo__label {
  background: rgba(30,30,30,.75); color: rgba(255,255,255,.65);
  backdrop-filter: blur(6px);
}
.pool-photo--theirs .pool-photo__label i { color: var(--coral); }

/* Compare grid */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 0; }
.compare-col { border-radius: var(--r-lg); overflow: hidden; }
.compare-col--ours { background: var(--deep); }
.compare-col--theirs { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); }
.compare-col__head {
  display: flex; align-items: center; gap: .5rem;
  padding: .875rem 1rem; font-family: var(--font-head); font-weight: 700;
  font-size: .8125rem; color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.compare-col--ours .compare-col__head i { color: var(--yellow); }
.compare-col--theirs .compare-col__head i { color: var(--coral); }
.compare-col ul { padding: .625rem 0; }
.compare-col li {
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem 1rem; font-size: .8125rem;
  font-family: var(--font-head); font-weight: 500;
  color: rgba(255,255,255,.88);
}
.compare-col li i { flex-shrink: 0; font-size: .8rem; }
.compare-col--ours li i { color: var(--yellow); }
.compare-col--theirs li { color: rgba(255,255,255,.5); }
.compare-col--theirs li i { color: var(--coral); }

/* Material layers */
.layers-stack { display: flex; flex-direction: column; gap: .625rem; margin-top: 1.25rem; }
.layer {
  display: flex; align-items: center; gap: 1rem;
  background: #fff; border-radius: var(--r-md);
  padding: .75rem 1rem; border: 1px solid var(--border);
}
.feat-block--teal .layer { background: #fff; border-color: var(--border-mid); }
.layer__label {
  font-family: var(--font-head); font-weight: 800; font-size: .8125rem;
  color: var(--deep); min-width: 160px; flex-shrink: 0;
}
.layer__desc { font-size: .8375rem; color: var(--muted); }

/* ============================================================
   PHOTO GALLERY
   ============================================================ */
.photo-gallery { padding: 4rem 0; background: var(--bg-alt); }
.photo-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: .75rem;
  height: 500px;
}
.photo-item { border-radius: var(--r-md); overflow: hidden; cursor: pointer; }
.photo-item--tall { grid-row: 1 / 3; }
.photo-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.photo-item:hover img { transform: scale(1.05); }

/* ============================================================
   REVIEWS
   ============================================================ */
.reviews-section { padding: 5rem 0; background: var(--cream); }
.reviews-summary { display: flex; align-items: center; gap: .75rem; justify-content: center; margin-top: .75rem; }
.reviews-summary__stars { font-size: 1.125rem; color: var(--star); letter-spacing: .1em; }
.reviews-summary span { font-size: .9375rem; color: var(--muted); font-family: var(--font-head); font-weight: 600; }
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.review-card {
  background: #fff; border-radius: var(--r-lg);
  padding: 1.75rem; border: 1px solid var(--border);
  transition: box-shadow var(--ease), border-color var(--ease);
}
.review-card:hover { box-shadow: var(--sh-md); border-color: var(--sky); }
.review-card__stars { font-size: .9rem; color: var(--star); letter-spacing: .1em; margin-bottom: .875rem; }
.review-card p {
  font-size: .9375rem; color: var(--ink-mid); line-height: 1.75;
  margin-bottom: 1.25rem; font-style: italic;
}
.review-card footer { display: flex; align-items: center; gap: .75rem; font-style: normal; }
.review-card__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--sky); color: var(--deep);
  display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.review-card strong { display: block; font-family: var(--font-head); font-weight: 700; font-size: .875rem; color: var(--ink); }
.review-card span { font-size: .8rem; color: var(--muted); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-section { padding: 5rem 0; background: var(--bg); }
.faq-section__inner { max-width: 760px; margin-inline: auto; }
.faq-list { display: flex; flex-direction: column; gap: .5rem; }
.faq-item {
  background: #fff; border-radius: var(--r-md);
  overflow: hidden; box-shadow: var(--sh-sm);
  border: 1px solid var(--border);
}
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1.125rem 1.5rem;
  text-align: left; font-family: var(--font-head); font-weight: 700;
  font-size: .9375rem; color: var(--ink); transition: color var(--ease);
}
.faq-question:hover { color: var(--deep); }
.faq-icon { font-size: .875rem; color: var(--deep); flex-shrink: 0; transition: transform .3s ease; }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-question[aria-expanded="true"] { color: var(--deep); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
}
.faq-answer.open { max-height: 400px; padding-bottom: 1.25rem; }
.faq-answer p { padding: 0 1.5rem; font-size: .9375rem; color: var(--muted); line-height: 1.75; }
.faq-answer p strong { color: var(--ink-mid); }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--ink) 0%, var(--deep) 100%);
  text-align: center;
}
.final-cta__inner { max-width: 600px; margin-inline: auto; }
.final-cta h2 {
  font-family: var(--font-head); font-weight: 900;
  font-size: clamp(1.75rem,3.5vw,2.75rem); color: #fff;
  margin-bottom: .875rem;
}
.final-cta p { color: rgba(255,255,255,.75); font-size: 1.0625rem; margin-bottom: 2rem; }
.final-cta .btn { margin-bottom: 2rem; }
.final-cta__trust {
  display: flex; align-items: center; justify-content: center;
  gap: 2rem; flex-wrap: wrap;
  font-family: var(--font-head); font-weight: 600; font-size: .8125rem;
  color: rgba(255,255,255,.6);
}
.final-cta__trust i { color: var(--yellow); margin-right: .3rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--ink); }
.site-footer__grid {
  display: grid; grid-template-columns: 1fr 2fr; gap: 3.5rem;
  padding: 3.5rem 0;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p {
  color: rgba(255,255,255,.5); font-size: .875rem;
  line-height: 1.7; max-width: 280px; margin-bottom: 1.5rem;
}
.footer-socials { display: flex; gap: .625rem; }
.footer-socials a {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.6);
  display: flex; align-items: center; justify-content: center;
  font-size: .875rem; transition: all var(--ease);
  border: 1px solid rgba(255,255,255,.12);
}
.footer-socials a:hover { background: var(--yellow); border-color: var(--yellow); color: var(--ink); }
.footer-nav { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.footer-nav__col h4 {
  font-family: var(--font-head); font-weight: 700; font-size: .7rem;
  letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.35);
  margin-bottom: 1rem;
}
.footer-nav__col li { margin-bottom: .5rem; }
.footer-nav__col a { color: rgba(255,255,255,.55); font-size: .875rem; transition: color var(--ease); }
.footer-nav__col a:hover { color: var(--yellow); }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.25rem 0; }
.site-footer__bottom-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem;
}
.site-footer__bottom-inner p { color: rgba(255,255,255,.35); font-size: .8125rem; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: rgba(255,255,255,.35); font-size: .8125rem; transition: color var(--ease); }
.footer-legal a:hover { color: var(--yellow); }

/* ============================================================
   STICKY BUY BAR
   ============================================================ */
.sticky-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 800;
  background: #fff; border-top: 2px solid var(--sky);
  box-shadow: 0 -4px 20px rgba(0,119,182,.12);
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  padding: .875rem 0;
}
.sticky-bar.visible { transform: translateY(0); }
.sticky-bar__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.sticky-bar__product strong {
  font-family: var(--font-head); font-weight: 800; font-size: .9375rem;
  color: var(--ink); display: block;
}
.sticky-bar__product span {
  font-family: var(--font-head); font-weight: 700;
  color: var(--deep); font-size: .875rem;
}

/* ============================================================
   CART TOAST
   ============================================================ */
.cart-toast {
  position: fixed; bottom: 5rem; right: 1.5rem; z-index: 9999;
  background: var(--ink); color: #fff;
  border-radius: var(--r-md); padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: .875rem;
  box-shadow: var(--sh-xl); min-width: 260px; max-width: 340px;
  transform: translateX(calc(100% + 2rem));
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  border-left: 4px solid var(--yellow);
}
.cart-toast.show { transform: translateX(0); }
.cart-toast > i { color: var(--yellow); font-size: 1.25rem; flex-shrink: 0; }
.cart-toast strong { display: block; font-family: var(--font-head); font-weight: 700; font-size: .9rem; }
.cart-toast span { font-size: .8rem; color: rgba(255,255,255,.65); margin-top: .1rem; display: block; }
.cart-toast__close {
  margin-left: auto; color: rgba(255,255,255,.45); font-size: .875rem;
  flex-shrink: 0; transition: color var(--ease);
}
.cart-toast__close:hover { color: #fff; }
.toast-view-cart {
  display: inline-block; margin-top: .25rem;
  color: var(--yellow); font-size: .8rem; font-weight: 700;
  font-family: var(--font-head); text-decoration: underline;
}

/* ============================================================
   MOBILE — 768px and below
   ============================================================ */
@media (max-width: 768px) {
  :root { --hdr: 58px; }

  /* --- Announcement bar --- */
  .announce-bar { font-size: .72rem; padding: .35rem 0; }
  .announce-bar__inner { gap: 1.5rem; animation-duration: 24s; }
  .announce-bar__divider { display: none; }

  /* --- Header --- */
  .logo__img { height: 60px; }
  .header__cart-label { display: none; }
  .header__cart { padding: .45rem .7rem; border-radius: 50%; }
  .header__cart i { font-size: 1rem; }
  .header__inner { gap: .75rem; }
  .hamburger { display: flex; }

  /* --- Mobile nav drawer --- */
  .main-nav {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    z-index: 898;
    padding-top: calc(var(--hdr) + 1rem);
    overflow-y: auto;
  }
  .main-nav.open { display: block; }
  .main-nav__list { flex-direction: column; align-items: stretch; padding: 0 1.5rem 2rem; }
  .main-nav__link {
    padding: 1rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }
  .main-nav__link::after { display: none; }

  /* --- Hero --- */
  .hero { min-height: auto; }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-top: calc(var(--hdr) + 2.5rem);
    padding-bottom: 2.5rem;
  }
  .hero__media { order: -1; }
  .hero__media { padding: 2rem 1.5rem; }
  .hero__img-card {
    transform: none;
    max-width: 100%;
    border-radius: 20px;
    padding: 1rem 1rem 0.4rem;
  }
  .hero__img-card:hover { transform: translateY(-4px); }
  .hero__badge-1 { left: -.25rem; font-size: .65rem; padding: .35rem .7rem; }
  .hero__badge-2 { right: -.25rem; font-size: .65rem; padding: .35rem .7rem; }
  .hero__badge-3 { right: -.25rem; top: 1rem; font-size: .65rem; padding: .35rem .7rem; }
  .hero__text { align-items: center; text-align: center; }
  .hero__subtitle { max-width: 100%; font-size: .9rem; }
  .hero__ctas { justify-content: center; flex-direction: column; gap: .75rem; }
  .hero__ctas .btn { width: 100%; text-align: center; justify-content: center; }
  .hero__trust { justify-content: center; }
  .hero__eyebrow { font-size: .75rem; }

  /* --- Trust strip --- */
  .trust-strip { padding: .75rem 0; }
  .trust-strip__grid {
    gap: 0;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-inline: 1rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .trust-strip__grid::-webkit-scrollbar { display: none; }
  .trust-item {
    flex-shrink: 0;
    padding: .35rem .75rem;
    font-size: .72rem;
    white-space: nowrap;
    border-right: 1px solid rgba(255,255,255,.15);
  }
  .trust-item:last-child { border-right: none; }

  /* --- Product section --- */
  .product-section { padding: 2rem 0; }
  .product-section__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .product-gallery__main { aspect-ratio: 4/3; border-radius: var(--r-md); }
  .product-gallery__thumbs {
    grid-template-columns: repeat(4, 1fr);
    gap: .4rem;
    margin-top: .5rem;
  }

  /* Buy box */
  .buy-box__name { font-size: 1.4rem; }
  .price-current { font-size: 1.625rem; }
  .buy-box__dimensions { gap: .375rem; }
  .dimension-chip { font-size: .75rem; padding: .375rem .75rem; }
  .buy-box__actions { flex-wrap: nowrap; gap: .625rem; }
  .buy-box__add { flex: 1; }
  .buy-box__trust { padding: 1rem; gap: .4rem; }
  .buy-box__trust li { font-size: .8rem; }
  .buy-box__specs { gap: .375rem; }
  .spec-chip { font-size: .7rem; padding: .3rem .625rem; }

  /* --- How it works --- */
  .how-it-works { padding: 3rem 0; }
  .steps-grid { flex-direction: column; align-items: stretch; }
  .step-card { max-width: 100%; width: 100%; }
  .step-card__arrow { display: none; }

  /* --- Feature blocks --- */
  .feat-block { padding: 2.5rem 0; }
  .feat-block__grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .feat-block__grid--flip .feat-block__text { order: 2; }
  .feat-block__grid--flip .feat-block__media { order: 1; }
  .compare-grid { grid-template-columns: 1fr 1fr; gap: .625rem; }
  .compare-section__top { grid-template-columns: 1fr; gap: 1.5rem; }
  .pool-photos { grid-template-columns: 1fr; gap: 1rem; }
  .layer__label { min-width: 120px; font-size: .75rem; }
  .layer__desc { font-size: .78rem; }

  /* --- Photo grid --- */
  .photo-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    height: auto;
  }
  .photo-item--tall { grid-row: auto; }
  .photo-item { aspect-ratio: 1; }

  /* --- Reviews --- */
  .reviews-section { padding: 3rem 0; }
  .reviews-grid { grid-template-columns: 1fr; }
  .review-card { padding: 1.25rem; }

  /* --- FAQ --- */
  .faq-section { padding: 3rem 0; }
  .faq-question { font-size: .875rem; padding: 1rem 1.25rem; }
  .faq-answer p { padding: 0 1.25rem; font-size: .875rem; }

  /* --- Final CTA --- */
  .final-cta { padding: 3rem 0; }
  .final-cta__trust { flex-direction: column; gap: .75rem; }
  .final-cta .btn { width: 100%; max-width: 320px; }

  /* --- Footer --- */
  .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 0; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .site-footer__bottom-inner { flex-direction: column; text-align: center; }

  /* --- Sticky bar --- */
  .sticky-bar { padding: .625rem 0; }
  .sticky-bar__product { display: none; }
  .sticky-bar__inner { justify-content: center; }
}

/* ============================================================
   MOBILE — 480px and below (small phones)
   ============================================================ */
@media (max-width: 480px) {
  /* Announcement bar: faster scroll on small phones */
  .announce-bar__inner { animation-duration: 20s; }

  /* Hero tighter */
  .hero__inner { padding-top: calc(var(--hdr) + 2rem); padding-bottom: 2rem; }
  .hero__title { font-size: 1.75rem; }

  /* Size options tighter */
  .size-options { gap: .375rem; }
  .compare-grid { grid-template-columns: 1fr; }

  /* Reviews */
  .reviews-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-nav { grid-template-columns: 1fr; }
  .final-cta__trust { flex-direction: column; gap: .75rem; }
}

/* ============================================================
   SCROLL FADE-IN ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; }
.fade-up.visible { animation: fadeUp .6s ease forwards; }