/* ============================================================
   Lipton Ice Tea — Half-Sugar Consumer Ad-Landing
   ============================================================ */

:root {
  --brand-primary: #FFD100;
  --brand-secondary: #E30613;
  --brand-accent: #1DB46B;
  --brand-bg: #FFFFFF;
  --brand-text: #111111;
  --brand-dark: #0b0a08;

  --font-display: "Archivo Black", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 32px;
  --space-5: 64px;
  --space-6: 128px;

  --shadow-card: 0 1px 2px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.08);
  --radius: 12px;

  --max-width: 1280px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--brand-text);
  background: var(--brand-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: 64px; /* leave room for sticky CTA bar on mobile */
}
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- top nav ---------- */
.top-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  z-index: 50;
  color: #fff;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0,0,0,.5);
}
.nav-cta {
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 8px 14px;
  background: var(--brand-primary);
  color: var(--brand-text);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(255,209,0,.35);
  transition: transform .25s ease;
}
.nav-cta:hover { transform: translateY(-2px); }

/* ============================================================
   SCROLL STAGE — same pattern as pitch mode
   ============================================================ */
.scrollstage {
  position: relative;
  width: 100%;
  height: 600vh;
  background: var(--brand-dark);
}
.stage-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
}
.hero-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  will-change: contents;
}
.stage-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0) 40%, rgba(0,0,0,.35) 75%, rgba(0,0,0,.78) 100%),
    linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,0) 18%, rgba(0,0,0,0) 60%, rgba(0,0,0,.7) 100%);
}

.hero-loading {
  position: absolute;
  top: calc(var(--space-4) + var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  font-size: .65rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #fff;
  padding: 6px 14px;
  background: rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  transition: opacity .5s ease;
}
.hero-loading.is-done { opacity: 0; pointer-events: none; }

/* ---------- chapters ---------- */
.chapter {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5) var(--space-4);
  color: #fff;
  opacity: 0;
  transform: translate3d(0, 60px, 0);
  will-change: opacity, transform;
}
.chapter-kicker,
.chapter-label {
  display: inline-block;
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 999px;
  margin-bottom: var(--space-3);
  backdrop-filter: blur(6px);
  width: fit-content;
}
.chapter-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.75rem, 9vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-wrap: balance;
  max-width: 15ch;
}
.chapter-headline .accent {
  color: var(--brand-primary);
  display: inline-block;
}
.chapter-sub {
  margin-top: var(--space-3);
  font-size: clamp(1rem, 1.4vw, 1.35rem);
  max-width: 640px;
  opacity: 0.92;
  font-weight: 500;
}
.chapter-scrollhint {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  font-size: .65rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  opacity: .7;
  color: #fff;
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob {
  0%,100% { transform: translateY(0); opacity: .5; }
  50%     { transform: translateY(6px); opacity: 1; }
}
.chapter--urgency { justify-content: center; align-items: flex-start; }
.chapter--urgency .huge-stat {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(6rem, 16vw, 16rem);
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--brand-primary);
  text-shadow: 0 20px 80px rgba(0,0,0,.55);
}
.chapter--urgency .huge-body {
  margin-top: var(--space-3);
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  max-width: 600px;
  line-height: 1.35;
  font-weight: 500;
}
.chapter--offer { justify-content: center; align-items: flex-start; }
.chapter--cta { align-items: flex-start; }
.primary-cta-lg {
  display: inline-block;
  margin-top: var(--space-4);
  padding: 18px 32px;
  background: var(--brand-primary);
  color: var(--brand-text);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  border-radius: 999px;
  box-shadow: 0 12px 40px rgba(255,209,0,.35);
  transition: transform .3s ease, box-shadow .3s ease;
}
.primary-cta-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 50px rgba(255,209,0,.5);
}

/* ============================================================
   How it works
   ============================================================ */
section.howitworks {
  padding: var(--space-6) var(--space-4);
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  text-wrap: balance;
}
.section-sub {
  font-size: 1rem;
  opacity: .7;
  margin-bottom: var(--space-5);
  max-width: 640px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}
.step-card {
  padding: var(--space-4);
  border-top: 3px solid var(--brand-primary);
}
.step-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3rem;
  color: var(--brand-primary);
  line-height: 1;
  letter-spacing: -0.03em;
}
.step-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin-top: var(--space-3);
}
.step-body {
  margin-top: var(--space-2);
  font-size: 1rem;
  line-height: 1.5;
  opacity: .8;
}

/* ============================================================
   Claim form
   ============================================================ */
section.claim {
  background: var(--brand-text);
  color: #fff;
  padding: var(--space-6) var(--space-4);
}
.claim-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.claim-copy .claim-kicker {
  display: inline-block;
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  margin-bottom: var(--space-3);
  color: var(--brand-primary);
}
.claim-heading {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.claim-sub {
  margin-top: var(--space-3);
  font-size: 1.15rem;
  opacity: .85;
  max-width: 440px;
  line-height: 1.5;
}

.claim-form {
  background: #fff;
  color: var(--brand-text);
  padding: var(--space-4);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: 0 30px 80px rgba(0,0,0,.3);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 700;
  opacity: .75;
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select {
  font: inherit;
  padding: 14px 16px;
  border: 1.5px solid #e3e3e3;
  border-radius: 8px;
  background: #fafafa;
  color: var(--brand-text);
  transition: border-color .2s ease, background .2s ease;
}
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--brand-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255,209,0,.2);
}
.field--age { border: none; padding: 0; }
.radio-row {
  display: flex;
  gap: var(--space-2);
}
.radio-row label {
  flex: 1;
  padding: 12px;
  border: 1.5px solid #e3e3e3;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  transition: border-color .2s, background .2s;
}
.radio-row label:hover { border-color: var(--brand-primary); }
.radio-row input { display: none; }
.radio-row input:checked + * { }
.radio-row label:has(input:checked) {
  border-color: var(--brand-primary);
  background: var(--brand-primary);
  color: var(--brand-text);
}
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .85rem;
  line-height: 1.4;
  cursor: pointer;
}
.checkbox input { margin-top: 3px; accent-color: var(--brand-primary); }
.checkbox a { text-decoration: underline; }

.submit-btn {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  padding: 18px 24px;
  border: none;
  background: var(--brand-primary);
  color: var(--brand-text);
  border-radius: 10px;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
  margin-top: var(--space-2);
  box-shadow: 0 8px 24px rgba(255,209,0,.35);
}
.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255,209,0,.5);
}
.form-reassurance {
  text-align: center;
  font-size: .72rem;
  opacity: .6;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.claim-success {
  background: #fff;
  color: var(--brand-text);
  padding: var(--space-5) var(--space-4);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,.3);
}
.success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-3);
  background: var(--brand-primary);
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--brand-text);
}
.success-title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.success-body {
  font-size: 1rem;
  opacity: .75;
  line-height: 1.5;
  max-width: 440px;
  margin: 0 auto;
}

/* ============================================================
   FAQ
   ============================================================ */
section.faq {
  padding: var(--space-6) var(--space-4);
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,.12);
  padding: var(--space-3) 0;
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin-top: var(--space-2);
  opacity: .75;
  font-size: .95rem;
  line-height: 1.6;
}

/* ============================================================
   Legal footer
   ============================================================ */
footer.legal {
  background: #f5f5f5;
  padding: var(--space-4);
  border-top: 1px solid rgba(0,0,0,.08);
}
.legal-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.legal-brand strong {
  font-family: var(--font-display);
  font-size: 1rem;
}
.legal-brand p {
  font-size: .75rem;
  opacity: .6;
  margin-top: 4px;
}
.legal-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.legal-links a {
  font-size: .8rem;
  opacity: .7;
  text-decoration: underline;
}
.legal-disclaimer {
  max-width: var(--max-width);
  margin: var(--space-4) auto 0;
  font-size: .7rem;
  opacity: .5;
  text-align: center;
  line-height: 1.5;
}

/* ============================================================
   Sticky mobile CTA bar
   ============================================================ */
.sticky-cta-bar {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  z-index: 40;
  padding: 16px 20px;
  background: var(--brand-primary);
  color: var(--brand-text);
  font-family: var(--font-display);
  font-size: .95rem;
  letter-spacing: -0.01em;
  text-align: center;
  border-radius: 999px;
  box-shadow: 0 14px 40px rgba(255,209,0,.5), 0 4px 12px rgba(0,0,0,.15);
  display: none;
  transition: transform .3s ease, opacity .3s ease;
}
@media (max-width: 860px) {
  .sticky-cta-bar { display: block; }
}
.sticky-cta-bar.is-hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

/* ============================================================
   Reveal on scroll (post-stage sections)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .9s ease-out, transform .9s cubic-bezier(.2,.8,.2,1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .scrollstage { height: 550vh; }
  /* Reserve space for the sticky mobile CTA bar (64px bar + 16px margin + 16px gap) */
  .chapter {
    padding: var(--space-4) var(--space-3);
    padding-bottom: calc(var(--space-5) + 48px);
  }
  /* On mobile, vertically center chapters 1 & 4 too (matches chapters 2 & 3
     default) so content never sits behind the sticky CTA bar. Desktop keeps
     the cinematic bottom-anchored hero feel. */
  .chapter--hook,
  .chapter--cta {
    justify-content: center;
    align-items: flex-start;
  }
  .chapter-scrollhint {
    bottom: calc(var(--space-4) + 72px);
  }
  .claim-inner { grid-template-columns: 1fr; gap: var(--space-4); }
  section.howitworks, section.faq { padding: var(--space-5) var(--space-3); }
  section.claim { padding: var(--space-5) var(--space-3); }
  .radio-row { flex-direction: column; }
  .radio-row label { text-align: left; padding: 14px 16px; }
  .legal-inner { flex-direction: column; }
}
@media (max-width: 480px) {
  .scrollstage { height: 500vh; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scrollstage { height: auto; }
  .stage-sticky { position: relative; height: 100vh; }
  .chapter { position: relative; inset: auto; opacity: 1 !important; transform: none !important; }
  .chapter-scrollhint { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}