/* Zero Sugar Zing — Carbon & Blaze design system
   Fonts: Barlow Condensed (display, matches the wordmark) + DM Sans (body) */

:root {
  --carbon: #121314;
  --carbon-2: #191b1d;
  --carbon-3: #222528;
  --line: rgba(255, 255, 255, 0.09);
  --blaze: #ff5a1f;
  --blaze-deep: #d9440f;
  --steel: #8a8f94;
  --ice: #9fdcff;
  --bone: #f4f1eb;
  --bone-2: #ebe6dd;
  --text: #f5f5f4;
  --text-dim: #b3b7bb;
  --ink: #121314;
  --ink-dim: #4a4e52;

  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;

  --radius: 18px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(88px, 12vw, 160px);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; overflow-x: clip; }
body {
  margin: 0;
  background: var(--carbon);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }
::selection { background: var(--blaze); color: var(--ink); }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--blaze); color: var(--ink); padding: 10px 16px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--blaze); outline-offset: 3px; border-radius: 4px; }

/* ---------- Scroll progress ---------- */
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--blaze); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }

/* ---------- Announcement bar ---------- */
.announce { background: var(--blaze); color: var(--ink); overflow: hidden; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; height: 36px; display: flex; align-items: center; position: relative; z-index: 51; }
.announce__track { display: flex; gap: 48px; white-space: nowrap; animation: marquee 32s linear infinite; padding-left: 48px; }
.announce__track span::before { content: "✦"; margin-right: 48px; opacity: 0.6; }

/* ---------- Logo (vector, colours via --logo-ink / --logo-bolt / --logo-desc) ---------- */
.zing-logo { display: block; overflow: visible; }
.zing-logo__tagline { font-family: var(--font-display); font-weight: 600; font-size: 56px; fill: var(--logo-desc, var(--logo-ink, #fff)); }
.zing-logo__strike { fill: var(--logo-bolt, #ff5a1f); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 26px; border-radius: 999px;
  font-family: var(--font-body); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.01em;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background-color 200ms, border-color 200ms, box-shadow 200ms, color 200ms;
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform 200ms var(--ease); }
.btn--blaze { background: var(--blaze); color: var(--ink); box-shadow: 0 10px 30px -10px rgba(255, 90, 31, 0.6); }
.btn--blaze:hover { background: #ff6e3a; box-shadow: 0 16px 40px -12px rgba(255, 90, 31, 0.8); }
.btn--ghost { color: var(--text); border-color: rgba(255, 255, 255, 0.22); }
.btn--ghost:hover { border-color: #fff; }
.btn--ghost:hover svg { transform: translateX(3px); }
.btn--sm { min-height: 44px; padding: 0 20px; font-size: 0.875rem; }
.btn--full { width: 100%; }
.btn:disabled { opacity: 0.7; cursor: progress; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; transition: background-color 300ms, border-color 300ms; border-bottom: 1px solid transparent; margin-bottom: -76px; }
.nav.is-scrolled { background: rgba(18, 19, 20, 0.78); backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 32px; height: 76px; }
.nav__logo .zing-logo { height: 52px; width: auto; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { text-decoration: none; font-size: 0.9rem; font-weight: 500; color: var(--text-dim); transition: color 200ms; position: relative; padding: 6px 0; }
.nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--blaze); transform: scaleX(0); transform-origin: right; transition: transform 300ms var(--ease); }
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__links a.is-active { color: #fff; }
.nav__toggle { display: none; }
.mobile-menu { display: none; }

@media (max-width: 960px) {
  .nav__links, .nav__cta { display: none; }
  .nav__logo .zing-logo { height: 42px; }
  .nav__toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 6px; margin-left: auto; width: 44px; height: 44px; padding: 0 10px; background: none; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
  .nav__toggle span { height: 2px; background: #fff; border-radius: 2px; transition: transform 250ms var(--ease); }
  .nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu:not([hidden]) { display: flex; flex-direction: column; gap: 4px; padding: 8px var(--gutter) 24px; background: rgba(18, 19, 20, 0.97); border-bottom: 1px solid var(--line); }
  .mobile-menu a:not(.btn) { padding: 14px 0; text-decoration: none; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .mobile-menu .btn { margin-top: 16px; }
  .nav.menu-open { background: rgba(18, 19, 20, 0.97); }
}

/* ---------- Type helpers ---------- */
.eyebrow { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--blaze); margin-bottom: 20px; }
.eyebrow--dark { color: var(--blaze-deep); }
.display { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: clamp(2.6rem, 6.5vw, 5rem); line-height: 0.95; letter-spacing: -0.01em; text-transform: uppercase; }
.display--dark { color: var(--ink); }
.section-head { max-width: 720px; margin-bottom: clamp(48px, 7vw, 80px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .section-lede { margin-left: auto; margin-right: auto; }
.section-lede { margin-top: 24px; font-size: 1.125rem; color: var(--text-dim); max-width: 60ch; }
.section-lede a { color: var(--blaze); }
.section-lede--dark { color: var(--ink-dim); }
.fineprint { margin-top: 28px; font-size: 0.82rem; color: var(--steel); text-align: center; }

/* ---------- Bottle (shared symbol) ---------- */
.bottle { --accent: var(--blaze); --tint: var(--blaze); overflow: visible; }
.b-cap { fill: var(--accent); transition: fill 500ms; }
.b-liquid { fill: var(--tint); opacity: 0.07; transition: fill 500ms; }
.b-sub { font-family: var(--font-body); font-weight: 700; font-size: 7px; letter-spacing: 1px; fill: var(--steel); }
.bubble { fill: rgba(255, 255, 255, 0.55); animation: rise 4s ease-in infinite; }
.bubble.b2 { animation-delay: 1.3s; }
.bubble.b3 { animation-delay: 2.4s; }

/* ---------- Hero (liquid) ---------- */
.hero { position: relative; min-height: calc(100svh - 36px); display: flex; align-items: center; padding: 120px 0 110px; overflow: hidden; background: #08090a; isolation: isolate; }
.liquid { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; display: block; opacity: 0; transition: opacity 1.4s var(--ease); touch-action: pan-y; }
.liquid-ready .liquid { opacity: 1; }
.hero__shade { position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, rgba(8, 9, 10, 0.55), transparent 55%), linear-gradient(0deg, var(--carbon) 0%, transparent 22%); }
.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: center; width: 100%; }
.hero__title { font-family: var(--font-display); font-style: italic; font-weight: 900; text-transform: uppercase; font-size: clamp(3.2rem, 7.6vw, 7rem); line-height: 0.9; letter-spacing: -0.015em; text-shadow: 0 10px 40px rgba(0, 0, 0, 0.5); }
.hero__title .line { display: block; overflow: hidden; padding: 0 0.08em 0.04em 0; }
.hero__title .word { display: inline-block; }
.hero__title .line:first-child { color: var(--steel); }
.word--blaze { color: var(--blaze); }
.hero__lede { margin-top: 28px; font-size: clamp(1.05rem, 1.5vw, 1.15rem); color: var(--text-dim); max-width: 46ch; text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__chips { list-style: none; padding: 0; margin: 36px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero__chips li { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: rgba(18, 19, 20, 0.55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); font-size: 0.875rem; color: var(--text-dim); }
.hero__chips strong { color: #fff; font-weight: 700; }

/* The stage is the logo's box; its bottom edge is the waterline the canvas draws */
.hero__stage { position: relative; width: min(100%, 560px); justify-self: center; aspect-ratio: 912 / 530; align-self: center; }
.hero__fallback { width: 100%; height: 100%; object-fit: contain; opacity: 0; }
.no-webgl .hero__fallback { opacity: 1; -webkit-box-reflect: below 6px linear-gradient(transparent 35%, rgba(0, 0, 0, 0.35)); filter: drop-shadow(0 0 40px rgba(255, 90, 31, 0.35)); }
.no-webgl { background: radial-gradient(ellipse at 70% 45%, rgba(255, 90, 31, 0.22), transparent 55%), #08090a; }

.hero__hint { position: absolute; right: var(--gutter); bottom: 34px; z-index: 2; display: flex; align-items: center; gap: 10px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255, 255, 255, 0.55); pointer-events: none; }
.hero__hint::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--blaze); animation: ping 2.2s var(--ease) infinite; }
.no-webgl .hero__hint { display: none; }
@media (pointer: coarse) { .hero__hint { font-size: 0; } .hero__hint::after { content: "Tap the water"; font-size: 0.72rem; } }

.scroll-cue { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); width: 26px; height: 42px; border: 1.5px solid rgba(255, 255, 255, 0.3); border-radius: 14px; z-index: 2; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; background: var(--blaze); border-radius: 2px; animation: cue 1.8s var(--ease) infinite; }

@media (max-width: 960px) {
  .hero { padding: 104px 0 72px; align-items: flex-start; }
  .hero__grid { grid-template-columns: 1fr; gap: 0; }
  .hero__stage { order: -1; width: min(72%, 360px); margin: 8px auto 110px; }
  .hero__shade { background: linear-gradient(0deg, var(--carbon) 0%, rgba(8, 9, 10, 0.35) 45%, transparent 70%); }
  .hero__hint { display: none; }
  .scroll-cue { display: none; }
}

/* ---------- Ticker ---------- */
.ticker { background: var(--blaze); color: var(--ink); transform: rotate(-2deg) scale(1.04); margin: 24px 0; overflow: hidden; padding: 18px 0; position: relative; z-index: 3; box-shadow: 0 20px 60px -20px rgba(255, 90, 31, 0.5); }
.ticker__track { display: flex; align-items: center; gap: 36px; white-space: nowrap; width: max-content; animation: marquee 26s linear infinite; }
.ticker span { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(1.8rem, 4vw, 3rem); text-transform: uppercase; line-height: 1; }
.ticker i { font-style: normal; font-size: 1.4rem; }

/* ---------- Problem ---------- */
.problem { padding: var(--section) 0; }
.compare { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 24px; margin-top: 64px; }
.compare__card { padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); background: var(--carbon-2); border: 1px solid var(--line); }
.compare__card--zing { background: linear-gradient(160deg, rgba(255, 90, 31, 0.16), rgba(255, 90, 31, 0.02) 60%), var(--carbon-2); border-color: rgba(255, 90, 31, 0.4); }
.compare__label { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); }
.compare__card--zing .compare__label { color: var(--blaze); }
.compare__num { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(5rem, 13vw, 9rem); line-height: 1; margin: 16px 0; color: #fff; }
.compare__num small { font-size: 0.4em; color: var(--steel); margin-left: 4px; }
.compare__card--zing .compare__num { color: var(--blaze); }
.compare__desc { color: var(--text-dim); max-width: 38ch; }
.compare__desc strong { color: #fff; }
.compare__vs { align-self: center; font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.4rem; color: var(--steel); text-transform: uppercase; }
.cubes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; min-height: 34px; }
.cubes span { width: 30px; height: 30px; border-radius: 6px; background: linear-gradient(135deg, #fff, #d9d9d9); box-shadow: inset -3px -3px 0 rgba(0, 0, 0, 0.12), 0 6px 14px rgba(0, 0, 0, 0.35); }
.cubes--ghost span { background: none; border: 1.5px dashed rgba(255, 90, 31, 0.35); box-shadow: none; }
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; gap: 12px; } .compare__vs { justify-self: center; } }

/* ---------- Range: tabs + showcase ---------- */
.range { padding: var(--section) 0; background: var(--carbon-2); border-top: 1px solid var(--line); overflow: hidden; }
.tabs { position: relative; display: flex; justify-content: center; gap: 4px; padding: 6px; margin: 0 auto 40px; width: max-content; max-width: 100%; border-radius: 999px; background: var(--carbon); border: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tabs button { position: relative; z-index: 1; min-height: 44px; padding: 0 22px; border: 0; border-radius: 999px; background: none; color: var(--text-dim); font: 700 0.95rem var(--font-body); cursor: pointer; transition: color 300ms; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--ink); }
.tabs__pill { position: absolute; top: 6px; bottom: 6px; left: 0; border-radius: 999px; background: var(--accent-tab, var(--blaze)); transition: transform 450ms var(--ease), width 450ms var(--ease), background-color 450ms; }

.showcase { --accent: var(--blaze); display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: clamp(24px, 4vw, 56px); border-radius: 28px; background: var(--carbon); border: 1px solid var(--line); position: relative; overflow: hidden; }
.showcase__visual { position: relative; display: grid; place-items: center; min-height: 520px; }
.showcase__visual > * { grid-area: 1 / 1; }
.showcase__halo { width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 40%, transparent), transparent 65%); transition: background 600ms; }
.showcase__bigname { font-family: var(--font-display); font-style: italic; font-weight: 900; text-transform: uppercase; font-size: clamp(4rem, 10vw, 9rem); line-height: 1; color: transparent; -webkit-text-stroke: 1.5px color-mix(in srgb, var(--accent) 50%, transparent); white-space: nowrap; transform: rotate(-90deg); opacity: 0.6; }
.showcase__bottle { position: relative; width: 210px; filter: drop-shadow(0 40px 50px rgba(0, 0, 0, 0.6)); transition: filter 500ms; }
.frost { width: 210px; height: 470px; border-radius: 40px; opacity: 0; pointer-events: none; transition: opacity 600ms; background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.5) 0 2px, transparent 3px) 0 0 / 22px 26px, radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.35) 0 1.5px, transparent 2.5px) 0 0 / 18px 20px; mask-image: linear-gradient(transparent 12%, #000 20%, #000 95%, transparent); -webkit-mask-image: linear-gradient(transparent 12%, #000 20%, #000 95%, transparent); }
.showcase.is-chill .frost { opacity: 0.8; }
.showcase.is-chill .showcase__bottle { filter: drop-shadow(0 0 30px rgba(159, 220, 255, 0.5)) drop-shadow(0 40px 50px rgba(0, 0, 0, 0.6)); }
.showcase__meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.showcase__format { font-size: 0.85rem; color: var(--steel); }
.tag { padding: 5px 12px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); transition: color 500ms, background-color 500ms; }
.showcase__name { margin: 20px 0 12px; font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(3rem, 6vw, 4.6rem); line-height: 0.95; text-transform: uppercase; }
.showcase__desc { color: var(--text-dim); font-size: 1.05rem; max-width: 46ch; }
.showcase__list { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 10px; }
.showcase__list li { position: relative; padding-left: 26px; }
.showcase__list li::before { content: ""; position: absolute; left: 0; top: 0.68em; width: 14px; height: 2px; background: var(--accent); transform: skewX(-20deg); transition: background-color 500ms; }
.showcase__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px; }
.showcase__stats div { padding: 14px; border-radius: 12px; background: var(--carbon-2); border: 1px solid var(--line); }
.showcase__stats strong { display: block; font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 1.8rem; line-height: 1; color: var(--accent); transition: color 500ms; }
.showcase__stats span { font-size: 0.78rem; color: var(--text-dim); }
.showcase__foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--line); }
.price { font-weight: 700; font-size: 1.1rem; }
.chill-toggle { margin-bottom: 24px; }
.switch { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; min-height: 44px; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch__track { width: 52px; height: 30px; border-radius: 999px; background: var(--carbon-3); border: 1px solid var(--line); position: relative; transition: background-color 300ms; flex-shrink: 0; }
.switch__thumb { position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform 300ms var(--ease); }
.switch input:checked + .switch__track { background: var(--ice); }
.switch input:checked + .switch__track .switch__thumb { transform: translateX(22px); }
.switch input:focus-visible + .switch__track { outline: 2px solid var(--blaze); outline-offset: 3px; }
.switch__label { font-size: 0.92rem; color: var(--text-dim); }
.switch__label strong { color: #fff; }
.showcase [data-swap] { will-change: transform, opacity; }
@media (max-width: 900px) {
  .tabs { width: 100%; justify-content: flex-start; }
  .showcase { grid-template-columns: 1fr; gap: 8px; }
  .showcase__visual { min-height: 380px; }
  .showcase__bottle { width: 150px; }
  .frost { width: 150px; height: 336px; border-radius: 30px; }
  .showcase__halo { width: 300px; height: 300px; }
  .showcase__bigname { font-size: 4.5rem; }
}

/* ---------- Hydration 101 ---------- */
.hydration { padding: var(--section) 0; position: relative; }
.h101 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.bigstat { display: flex; align-items: center; gap: 20px; margin-top: 40px; }
.bigstat__num { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(4.5rem, 9vw, 7rem); line-height: 1; color: var(--blaze); }
.bigstat__label { color: var(--text-dim); max-width: 26ch; }

.meter { padding: clamp(24px, 4vw, 40px); border-radius: var(--radius); background: var(--carbon-2); border: 1px solid var(--line); }
.meter__title { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); margin-bottom: 24px; }
.meter__body { display: flex; gap: 28px; align-items: stretch; }
.tank { --level: 1; position: relative; width: 96px; height: 240px; flex-shrink: 0; border-radius: 22px 22px 28px 28px; border: 1.5px solid rgba(255, 255, 255, 0.2); overflow: hidden; background: rgba(255, 255, 255, 0.02); }
.tank__fill { position: absolute; left: 0; right: 0; bottom: 0; height: calc(var(--level) * 92%); background: linear-gradient(180deg, color-mix(in srgb, var(--tank, #9fdcff) 80%, transparent), color-mix(in srgb, var(--tank, #9fdcff) 40%, transparent)); transition: height 600ms var(--ease), background 600ms; }
.tank__wave { position: absolute; left: 4%; top: -7px; width: 92%; height: 14px; border-radius: 50%; background: color-mix(in srgb, var(--tank, #9fdcff) 95%, #fff); opacity: 0.9; animation: slosh 3s ease-in-out infinite; }
.tank__ticks { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-evenly; pointer-events: none; }
.tank__ticks i { display: block; width: 14px; height: 1px; background: rgba(255, 255, 255, 0.3); }
.meter__readout { display: flex; flex-direction: column; justify-content: center; }
.meter__pct { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 4rem; line-height: 1; color: #fff; }
.meter__pct-label { font-size: 0.85rem; color: var(--steel); }
.meter__effect { margin-top: 16px; font-size: 1.05rem; font-weight: 500; min-height: 3.2em; }
.range-input { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; margin-top: 28px; background: none; cursor: pointer; }
.range-input::-webkit-slider-runnable-track { height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--ice), #ffd166 40%, var(--blaze)); }
.range-input::-moz-range-track { height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--ice), #ffd166 40%, var(--blaze)); }
.range-input::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; margin-top: -11px; border-radius: 50%; background: #fff; border: 4px solid var(--carbon); box-shadow: 0 0 0 2px #fff, 0 6px 16px rgba(0, 0, 0, 0.5); }
.range-input::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--carbon); box-shadow: 0 0 0 2px #fff; }
.meter__scale { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--steel); }
.meter__source { margin-top: 20px; font-size: 0.75rem; color: var(--steel); }

.signs { margin-top: clamp(64px, 9vw, 112px); text-align: center; }
.signs__title { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2rem; text-transform: uppercase; margin-bottom: 28px; }
.signs__list { list-style: none; padding: 0; margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; max-width: 860px; }
.signs__list li { padding: 12px 22px; border-radius: 999px; border: 1px solid var(--line); background: var(--carbon-2); font-weight: 500; transition: background-color 250ms, color 250ms, border-color 250ms, transform 250ms var(--ease); }
.signs__list li:hover { background: var(--blaze); color: var(--ink); border-color: var(--blaze); transform: translateY(-3px) rotate(-2deg); }
.signs__note { margin-top: 20px; font-size: 0.82rem; color: var(--steel); }
@media (max-width: 900px) { .h101 { grid-template-columns: 1fr; gap: 48px; } }
@media (max-width: 480px) { .meter__body { gap: 18px; } .tank { width: 76px; height: 200px; } .meter__pct { font-size: 3.2rem; } }

/* ---------- Stages (pinned horizontal on desktop) ---------- */
.stages { background: var(--carbon-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; }
.stages__pin { padding: var(--section) 0; }
.stages__head { margin-bottom: 56px; }
.stages__track { display: flex; gap: 24px; padding: 0 var(--gutter); width: max-content; }
.stage { position: relative; width: min(440px, 80vw); min-height: 400px; padding: 36px; border-radius: 24px; background: var(--carbon); border: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; }
.stage:nth-child(even) { background: linear-gradient(160deg, rgba(255, 90, 31, 0.14), transparent 60%), var(--carbon); }
.stage__n { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 5rem; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--blaze); }
.stage h3 { margin: 16px 0 12px; font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 2.6rem; text-transform: uppercase; line-height: 1; }
.stage p { color: var(--text-dim); }
.stage__art { margin-top: auto; align-self: flex-end; width: 110px; opacity: 0.9; }
.stage__art svg { fill: none; stroke: var(--blaze); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 900px) {
  .stages__track { flex-direction: column; width: auto; }
  .stage { width: auto; min-height: 0; }
  .stage__art { width: 80px; margin-top: 16px; }
}

/* ---------- Science (light section) ---------- */
.science { padding: var(--section) 0; background: var(--bone); color: var(--ink); }
.sci-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; perspective: 1000px; }
.sci { padding: 32px; border-radius: var(--radius); background: #fff; border: 1px solid var(--bone-2); transition: box-shadow 300ms; transform-style: preserve-3d; }
.sci:hover { box-shadow: 0 24px 48px -24px rgba(18, 19, 20, 0.3); }
.sci__icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--carbon); margin-bottom: 24px; transition: transform 400ms var(--ease), background-color 300ms; }
.sci:hover .sci__icon { transform: rotate(-8deg) scale(1.08); background: var(--blaze); }
.sci:hover .sci__icon svg { stroke: var(--ink); }
.sci__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--blaze); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sci h3 { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.75rem; text-transform: uppercase; line-height: 1.05; }
.sci__what { margin: 8px 0 18px; font-size: 0.82rem; font-weight: 700; color: var(--blaze-deep); letter-spacing: 0.02em; }
.sci p:not(.sci__what) { font-size: 0.94rem; color: var(--ink-dim); }
.sci p + p { margin-top: 12px; }
.sci strong { color: var(--ink); }
@media (max-width: 960px) { .sci-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .sci-grid { grid-template-columns: 1fr; } .sci { padding: 26px; } }

.vs-table { margin-top: 64px; }
.vs-table__title { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2.2rem; text-transform: uppercase; margin-bottom: 24px; }
.table-scroll { overflow-x: auto; border-radius: var(--radius); background: #fff; border: 1px solid var(--bone-2); }
.vs-table table { width: 100%; min-width: 560px; border-collapse: collapse; }
.vs-table th, .vs-table td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--bone-2); font-size: 0.95rem; }
.vs-table tbody tr:last-child > * { border-bottom: 0; }
.vs-table thead th { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.3rem; text-transform: uppercase; }
.vs-table tbody th { font-weight: 500; color: var(--ink-dim); }
.vs-table .is-zing { background: var(--carbon); color: #fff; font-weight: 700; }
.vs-table thead .is-zing { color: var(--blaze); border-radius: 12px 12px 0 0; }
.yes, .no, .part { display: inline-flex; align-items: center; gap: 8px; }
.yes::before, .no::before, .part::before { content: ""; width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0; background-position: center; background-repeat: no-repeat; background-size: 12px; }
.yes::before { background-color: var(--blaze); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23121314' stroke-width='4'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E"); }
.no::before { background-color: #e3ded5; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a4e52' stroke-width='4'%3E%3Cpath d='M6 6l12 12M18 6 6 18'/%3E%3C/svg%3E"); }
.part::before { background-color: #f1d7a0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a4e52' stroke-width='4'%3E%3Cpath d='M6 12h12'/%3E%3C/svg%3E"); }

.limits { margin-top: 48px; padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); background: var(--carbon); color: var(--text); display: grid; grid-template-columns: 1fr 1fr; gap: 32px 48px; align-items: center; }
.limits__intro h3 { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2rem; text-transform: uppercase; line-height: 1; }
.limits__intro p { margin-top: 12px; color: var(--text-dim); }
.limits__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0; }
.limits__grid div { padding: 20px 16px; border-radius: var(--radius-sm); background: var(--carbon-3); text-align: center; }
.limits__grid dt { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 3rem; line-height: 1; color: var(--blaze); }
.limits__grid dd { margin: 6px 0 0; font-size: 0.82rem; color: var(--text-dim); }
.limits__note { grid-column: 1 / -1; font-size: 0.85rem; color: var(--steel); border-top: 1px solid var(--line); padding-top: 20px; }
@media (max-width: 860px) { .limits { grid-template-columns: 1fr; } }

/* ---------- Chill ---------- */
.chill { padding: var(--section) 0; position: relative; overflow: hidden; background: radial-gradient(ellipse at 80% 40%, rgba(159, 220, 255, 0.12), transparent 55%), var(--carbon); }
.snow { position: absolute; inset: 0; pointer-events: none; }
.snow i { position: absolute; top: -10px; width: 4px; height: 4px; border-radius: 50%; background: rgba(220, 240, 255, 0.85); }
.chill__grid { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.chill .eyebrow { color: var(--ice); }
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 12px; }
.steps li { display: flex; gap: 20px; align-items: flex-start; padding: 22px 24px; border-radius: var(--radius); background: rgba(25, 27, 29, 0.8); border: 1px solid var(--line); }
.steps__n { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 2.2rem; line-height: 1; color: var(--ice); min-width: 44px; }
.steps h3 { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.4rem; text-transform: uppercase; }
.steps p { margin-top: 2px; color: var(--text-dim); font-size: 0.95rem; }
.shaker { display: grid; justify-items: center; gap: 16px; text-align: center; }
.shaker__btn { background: none; border: 0; padding: 20px; cursor: pointer; border-radius: 24px; }
.shaker__bottle { width: 200px; filter: drop-shadow(0 0 40px rgba(159, 220, 255, 0.25)) drop-shadow(0 40px 50px rgba(0, 0, 0, 0.6)); }
.shaker.is-cold .shaker__bottle { filter: drop-shadow(0 0 50px rgba(159, 220, 255, 0.7)) drop-shadow(0 40px 50px rgba(0, 0, 0, 0.6)); }
.thermo { display: flex; align-items: baseline; gap: 12px; padding: 12px 24px; border-radius: 999px; background: var(--carbon-2); border: 1px solid var(--line); }
.thermo__label { font-size: 0.82rem; color: var(--steel); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 700; }
.thermo__num { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 2.4rem; line-height: 1; color: var(--blaze); transition: color 600ms; }
.shaker.is-cold .thermo__num { color: var(--ice); }
.shaker__hint { font-size: 0.85rem; color: var(--steel); }
.shaker__hint::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--ice); animation: pulse 1.6s ease-in-out infinite; }
@media (max-width: 900px) { .chill__grid { grid-template-columns: 1fr; gap: 48px; } .shaker__bottle { width: 150px; } }

/* ---------- Built for Sri Lanka ---------- */
.life { padding: var(--section) 0; overflow: hidden; }
.life .display { margin-bottom: 48px; }
.life__rows { display: grid; gap: 14px; }
.life__row { display: flex; gap: 14px; width: max-content; animation: marquee 40s linear infinite; }
.life__row--rev { animation-direction: reverse; animation-duration: 46s; }
.life__row span { padding: 18px 34px; border-radius: 999px; border: 1px solid var(--line); background: var(--carbon-2); font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: clamp(1.4rem, 3vw, 2.2rem); text-transform: uppercase; white-space: nowrap; }
.life__row span:nth-child(3n) { background: var(--blaze); color: var(--ink); border-color: var(--blaze); }
.life__row--rev span:nth-child(3n) { background: transparent; color: transparent; -webkit-text-stroke: 1.2px #fff; border-color: rgba(255, 255, 255, 0.25); }

/* ---------- Zing Club (membership) ---------- */
.club { padding: var(--section) 0; position: relative; overflow: hidden; background: radial-gradient(ellipse at 85% 10%, rgba(255, 90, 31, 0.14), transparent 50%), radial-gradient(ellipse at 0% 90%, rgba(201, 162, 74, 0.08), transparent 45%), var(--carbon-2); border-top: 1px solid var(--line); }
.club__head { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; margin-bottom: clamp(64px, 8vw, 96px); }
.club__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 32px; }
.club__note { font-size: 0.9rem; color: var(--text-dim); max-width: 30ch; }
.club__note strong { color: #fff; }

/* Membership card */
.club__card-wrap { perspective: 1200px; display: grid; place-items: center; }
.club-card { --tier: var(--steel); --tier-2: #c9ced3; position: relative; width: min(440px, 100%); aspect-ratio: 1.586; border-radius: 22px; padding: clamp(20px, 3vw, 30px); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; transform-style: preserve-3d; transition: transform 400ms var(--ease), box-shadow 600ms;
  background: radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--tier) 45%, transparent), transparent 55%), linear-gradient(135deg, #1d2023 0%, #0d0e0f 60%, #17191b 100%);
  border: 1px solid color-mix(in srgb, var(--tier) 45%, transparent);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8), 0 0 60px -20px color-mix(in srgb, var(--tier) 60%, transparent); }
.club-card[data-tier="charge"] { --tier: var(--blaze); --tier-2: #ffb08f; }
.club-card[data-tier="zinger"] { --tier: #c9a24a; --tier-2: #f1dc9f; }
.club-card::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, transparent 0 18px, rgba(255, 255, 255, 0.025) 18px 19px); pointer-events: none; }
.club-card__shine { position: absolute; inset: -50%; background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.16) 50%, transparent 60%); transform: translateX(-60%); animation: shine 5s var(--ease) infinite; pointer-events: none; }
.club-card__top { position: relative; display: flex; justify-content: space-between; align-items: flex-start; }
.club-card__top .zing-logo { width: 34%; height: auto; }
.club-card__tier { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(1.4rem, 3vw, 2rem); text-transform: uppercase; line-height: 1; background: linear-gradient(90deg, var(--tier), var(--tier-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.club-card__chip { position: relative; width: 46px; height: 34px; border-radius: 7px; background: linear-gradient(135deg, #e7d39a, #a8873f); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25); }
.club-card__chip::after { content: ""; position: absolute; inset: 8px 10px; border: 1px solid rgba(0, 0, 0, 0.3); border-radius: 3px; }
.club-card__bottom { position: relative; display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.club-card__label { display: block; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--steel); margin-bottom: 2px; }
.club-card__points { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.club-card__member { text-align: right; font-size: 0.85rem; color: var(--text-dim); }

/* Steps */
.club__steps { list-style: none; padding: 0; margin: 0 0 clamp(56px, 7vw, 88px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: none; }
.club__steps li { position: relative; padding: 28px; border-radius: var(--radius); background: var(--carbon); border: 1px solid var(--line); }
.club__steps li:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -16px; width: 12px; height: 12px; border-top: 2px solid var(--blaze); border-right: 2px solid var(--blaze); transform: translateY(-50%) rotate(45deg); }
.club__n { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 2.6rem; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--blaze); }
.club__steps h3 { margin: 12px 0 6px; font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.6rem; text-transform: uppercase; }
.club__steps p { color: var(--text-dim); font-size: 0.95rem; }

/* Tiers */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; perspective: 1000px; margin-bottom: clamp(56px, 7vw, 88px); }
.tier { --tc: var(--steel); position: relative; padding: 32px 28px; border-radius: 22px; background: linear-gradient(180deg, color-mix(in srgb, var(--tc) 14%, transparent), transparent 55%), var(--carbon); border: 1px solid color-mix(in srgb, var(--tc) 40%, transparent); transition: border-color 300ms, box-shadow 300ms; }
.tier:hover { box-shadow: 0 30px 60px -30px color-mix(in srgb, var(--tc) 70%, transparent); border-color: var(--tc); }
.tier--charge { --tc: var(--blaze); box-shadow: 0 30px 70px -35px rgba(255, 90, 31, 0.7); }
.tier--zinger { --tc: #c9a24a; }
.tier__badge { position: absolute; top: -12px; left: 28px; padding: 4px 12px; border-radius: 999px; background: var(--blaze); color: var(--ink); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.tier__name { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 2.8rem; line-height: 1; text-transform: uppercase; color: var(--tc); }
.tier--spark .tier__name { color: #d6dadd; }
.tier__req { margin: 6px 0 22px; font-size: 0.85rem; font-weight: 700; color: var(--steel); }
.tier ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.tier li { position: relative; padding-left: 28px; color: var(--text-dim); font-size: 0.95rem; }
.tier li strong { color: #fff; }
.tier li::before { content: ""; position: absolute; left: 0; top: 0.2em; width: 18px; height: 18px; border-radius: 50%; background: color-mix(in srgb, var(--tc) 22%, transparent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center / 10px no-repeat; }

/* Calculator */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: var(--carbon); margin-bottom: clamp(56px, 7vw, 88px); }
.calc__controls { padding: clamp(24px, 4vw, 44px); }
.calc__controls h3 { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2rem; text-transform: uppercase; margin-bottom: 20px; }
.calc__controls label { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); }
.calc__spend { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(2.6rem, 5vw, 3.6rem); line-height: 1.1; margin-top: 6px; font-variant-numeric: tabular-nums; }
.calc__spend small { font-size: 0.4em; color: var(--steel); }
.calc .range-input { margin-top: 12px; }
.calc .range-input::-webkit-slider-runnable-track { background: linear-gradient(90deg, var(--steel), var(--blaze) 45%, #c9a24a); }
.calc .range-input::-moz-range-track { background: linear-gradient(90deg, var(--steel), var(--blaze) 45%, #c9a24a); }
.calc__hint { font-size: 0.85rem; color: var(--steel); }
.calc__results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 28px 0 0; }
.calc__results div { padding: 16px 14px; border-radius: 14px; background: var(--carbon-2); border: 1px solid var(--line); }
.calc__results dt { font-size: 0.74rem; color: var(--steel); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.calc__results dd { margin: 4px 0 0; font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 1.7rem; line-height: 1.1; color: #fff; font-variant-numeric: tabular-nums; }
#calc-tier { color: var(--blaze); }
.calc__ladder { padding: clamp(24px, 4vw, 44px); background: linear-gradient(160deg, rgba(255, 90, 31, 0.12), transparent 60%), #0e0f10; border-left: 1px solid var(--line); }
.calc__ladder-title { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); margin-bottom: 20px; }
.ladder { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; position: relative; }
.ladder li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); color: var(--steel); transition: background-color 400ms, border-color 400ms, color 400ms, transform 400ms var(--ease); }
.ladder li::before { content: ""; width: 20px; height: 20px; flex-shrink: 0; border-radius: 50%; border: 1.5px solid rgba(255, 255, 255, 0.2); transition: background-color 400ms, border-color 400ms; background-position: center; background-repeat: no-repeat; background-size: 11px; }
.ladder__pts { flex: 1; font-weight: 700; font-variant-numeric: tabular-nums; }
.ladder__reward { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.25rem; text-transform: uppercase; }
.ladder li.is-on { color: #fff; background: rgba(255, 90, 31, 0.12); border-color: rgba(255, 90, 31, 0.45); transform: translateX(6px); }
.ladder li.is-on::before { background-color: var(--blaze); border-color: var(--blaze); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23121314' stroke-width='4'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E"); }
.ladder li.is-on .ladder__reward { color: var(--blaze); }

/* Ways to earn */
.earn { text-align: center; }
.earn__title { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2rem; text-transform: uppercase; margin-bottom: 24px; }
.earn__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.earn__list li { padding: 22px 14px; border-radius: 18px; background: var(--carbon); border: 1px solid var(--line); display: grid; gap: 6px; transition: transform 300ms var(--ease), border-color 300ms; }
.earn__list li:hover { transform: translateY(-4px) rotate(-1deg); border-color: var(--blaze); }
.earn__list strong { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 2.2rem; line-height: 1; color: var(--blaze); }
.earn__list span { font-size: 0.88rem; color: var(--text-dim); }

/* Waitlist opt-in checkbox */
.check { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; font-size: 0.9rem; color: var(--text-dim); line-height: 1.45; min-height: 44px; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check__box { flex-shrink: 0; width: 22px; height: 22px; margin-top: 1px; border-radius: 6px; border: 1.5px solid rgba(255, 255, 255, 0.3); background: var(--carbon-3) center / 13px no-repeat; transition: background-color 200ms, border-color 200ms; }
.check input:checked + .check__box { background-color: var(--blaze); border-color: var(--blaze); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23121314' stroke-width='4'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E"); }
.check input:focus-visible + .check__box { outline: 2px solid var(--blaze); outline-offset: 3px; }
.check strong { color: #fff; }

@media (max-width: 960px) {
  .club__head { grid-template-columns: 1fr; gap: 48px; }
  .club__steps, .tiers { grid-template-columns: 1fr; }
  .club__steps li:not(:last-child)::after { top: auto; bottom: -16px; right: 50%; transform: translateX(50%) rotate(135deg); }
  .tiers { gap: 28px; }
  .calc { grid-template-columns: 1fr; }
  .calc__ladder { border-left: 0; border-top: 1px solid var(--line); }
  .earn__list { grid-template-columns: repeat(2, 1fr); }
  .earn__list li:first-child { grid-column: 1 / -1; }
}
@media (max-width: 480px) { .calc__results { grid-template-columns: 1fr 1fr; } .calc__results div:last-child { grid-column: 1 / -1; } }
@keyframes shine { 0%, 55% { transform: translateX(-60%); } 100% { transform: translateX(60%); } }

/* ---------- FAQ ---------- */
.faq { padding: var(--section) 0; border-top: 1px solid var(--line); }
.faq__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.faq__list { display: grid; gap: 12px; }
.faq details { border-radius: var(--radius); background: var(--carbon-2); border: 1px solid var(--line); transition: border-color 300ms; }
.faq details[open] { border-color: rgba(255, 90, 31, 0.45); }
.faq summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 24px; cursor: pointer; font-weight: 700; font-size: 1.05rem; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--carbon-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff5a1f' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center / 14px no-repeat; transition: transform 300ms var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 24px 24px; color: var(--text-dim); }
@media (max-width: 900px) { .faq__grid { grid-template-columns: 1fr; gap: 40px; } }

/* ---------- Waitlist ---------- */
.waitlist { padding: var(--section) 0; background: var(--blaze); color: var(--ink); position: relative; overflow: hidden; }
.waitlist__bg { position: absolute; right: -2vw; bottom: -7vw; pointer-events: none; font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: 36vw; line-height: 0.8; color: rgba(18, 19, 20, 0.08); }
.waitlist__logo { --logo-ink: var(--ink); --logo-bolt: #ffffff; width: min(320px, 72%); height: auto; margin-bottom: 32px; }
.waitlist .section-lede { color: rgba(18, 19, 20, 0.8); }
.waitlist__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.waitlist .form { background: var(--carbon); color: var(--text); padding: clamp(24px, 4vw, 40px); border-radius: var(--radius); box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.5); position: relative; }
@media (max-width: 860px) { .waitlist__inner { grid-template-columns: 1fr; gap: 40px; } }
.confetti { position: fixed; width: 10px; height: 14px; pointer-events: none; z-index: 90; border-radius: 2px; }

.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.875rem; font-weight: 500; color: var(--text-dim); }
.field label span { color: var(--blaze); }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 12px 16px; border-radius: 12px; background: var(--carbon-3); border: 1px solid rgba(255, 255, 255, 0.12); color: var(--text); font: inherit; font-size: 1rem; transition: border-color 200ms, box-shadow 200ms; }
.field textarea { resize: vertical; min-height: 120px; }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a8f94' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; padding-right: 44px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blaze); box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.25); }
.field.has-error input, .field.has-error textarea { border-color: #ff7a7a; }
.field__error { font-size: 0.82rem; color: #ff9a8a; }
.field__error:empty { display: none; }
.form__note { font-size: 0.8rem; color: var(--steel); text-align: center; }
.form__success { padding: 14px 16px; border-radius: 12px; background: rgba(255, 90, 31, 0.12); border: 1px solid rgba(255, 90, 31, 0.4); color: var(--text); font-weight: 500; }

/* ---------- Buy / Contact ---------- */
.buy { padding: var(--section) 0; }
.buy__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; perspective: 1000px; }
.buy__card { padding: 32px; border-radius: var(--radius); background: var(--carbon-2); border: 1px solid var(--line); transition: border-color 300ms; }
.buy__card:hover { border-color: rgba(255, 90, 31, 0.5); }
.buy__card svg { width: 28px; height: 28px; fill: none; stroke: var(--blaze); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 20px; }
.buy__card h3 { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.6rem; text-transform: uppercase; }
.buy__card p { margin-top: 8px; color: var(--text-dim); font-size: 0.95rem; }
@media (max-width: 860px) { .buy__grid { grid-template-columns: 1fr; } }
.contact { margin-top: 64px; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; padding: clamp(24px, 4vw, 48px); border-radius: var(--radius); border: 1px solid var(--line); background: var(--carbon-2); }
.contact__copy h3 { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2.4rem; text-transform: uppercase; line-height: 1; }
.contact__copy > p { margin-top: 12px; color: var(--text-dim); }
.contact__list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.contact__list li { display: flex; align-items: center; gap: 12px; color: var(--text-dim); }
.contact__list svg { width: 20px; height: 20px; fill: none; stroke: var(--blaze); stroke-width: 1.8; flex-shrink: 0; }
.contact__list a { color: var(--text); text-decoration-color: rgba(255, 90, 31, 0.6); text-underline-offset: 4px; }
.form--contact .btn { justify-self: start; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; gap: 32px; } .form--contact .btn { justify-self: stretch; } }

/* ---------- Footer ---------- */
.footer { padding: 64px 0 32px; border-top: 1px solid var(--line); background: #0d0e0f; overflow: hidden; }
.footer__inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.footer__logo .zing-logo { width: 200px; height: auto; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.footer__nav a { text-decoration: none; color: var(--text-dim); font-size: 0.9rem; padding: 8px 0; }
.footer__nav a:hover { color: #fff; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; border: 1px solid var(--line); transition: border-color 200ms, background-color 200ms, transform 200ms var(--ease); }
.footer__social a:hover { border-color: var(--blaze); background: rgba(255, 90, 31, 0.1); transform: translateY(-3px); }
.footer__social svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.footer__giant { font-family: var(--font-display); font-style: italic; font-weight: 900; font-size: clamp(8rem, 30vw, 26rem); line-height: 0.8; text-align: center; color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.08); margin: 48px 0 0; user-select: none; }
.footer__legal { padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 0.8rem; color: var(--steel); }

/* ---------- Keyframes ---------- */
@keyframes float { 50% { transform: translateY(-14px) rotate(-1.5deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rise { 0% { transform: translateY(0); opacity: 0; } 20% { opacity: 1; } 100% { transform: translateY(-260px); opacity: 0; } }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes ping { 0% { transform: scale(0.6); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }
@keyframes slosh { 50% { transform: scaleX(0.92) translateY(2px) rotate(-2deg); } }
@keyframes pulse { 50% { opacity: 0.3; transform: scale(0.7); } }

/* ---------- Smooth scroll (Lenis) + section transitions ---------- */
html.lenis, html.lenis body { height: auto; }
html.lenis { scroll-behavior: auto; }
.lenis.lenis-stopped { overflow: hidden; }
.dline { display: block; overflow: hidden; padding: 0 0.1em 0.06em 0; margin-bottom: -0.06em; }
.dline__in { display: inline-block; will-change: transform; }
.curtain { will-change: clip-path; }

/* ---------- Reveal fallback (used when GSAP isn't available) ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); }
.js.no-gsap .reveal { transition: opacity 700ms var(--ease), transform 700ms var(--ease); transition-delay: var(--d, 0ms); }
.js.no-gsap .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0ms !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
}