/* =========================================================
   Daily Stack Lab — v2 (mobile-first, defensive)
   ========================================================= */

:root {
  --ink: #1f2426;
  --ink-2: #3a4042;
  --muted: #6a6f72;
  --line: #e9e1d2;
  --line-2: #d8cdb6;
  --cream: #f7f1e8;
  --cream-2: #efe5d2;
  --white: #ffffff;
  --gold: #f4b23c;
  --gold-deep: #d8881a;
  --green: #79b833;
  --blue: #3e8cff;
  --indigo: #55508f;
  --error: #b53a21;
  --shadow-1: 0 2px 8px rgba(31, 36, 38, 0.04);
  --shadow-2: 0 12px 32px rgba(31, 36, 38, 0.08);
  --shadow-3: 0 24px 60px rgba(31, 36, 38, 0.12);
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;
  --container: 1140px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Mobile reserves space for sticky CTA */
  padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

#survey {
  scroll-margin-top: 84px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px;
  border-radius: 0 0 8px 0; font-weight: 700; z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 6px; }

/* ---------- i18n ---------- */
body.lang-en [data-lang="id"] { display: none !important; }
body.lang-id [data-lang="en"] { display: none !important; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.1;
  color: var(--ink);
}
h1 { font-size: clamp(2rem, 7vw, 3.6rem); }
h2 { font-size: clamp(1.65rem, 5vw, 2.6rem); }
h3 { font-size: 1.18rem; line-height: 1.25; }
h4 { font-size: 0.98rem; font-weight: 700; line-height: 1.3; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.eyebrow-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0 rgba(244, 178, 60, 0.6);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(244, 178, 60, 0.55); }
  50% { box-shadow: 0 0 0 8px rgba(244, 178, 60, 0); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 6px 16px rgba(31, 36, 38, 0.18);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: #111414;
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  background: var(--ink);
  color: #fff;
}
.btn-sm { min-height: 42px; padding: 0 16px; font-size: 0.86rem; }
.btn-lg { min-height: 56px; padding: 0 28px; font-size: 1rem; }
.btn-arrow {
  width: 14px; height: 14px;
  transition: transform 200ms ease;
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  background: rgba(247, 241, 232, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 0.96rem;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: inline-grid;
  grid-template-columns: repeat(3, 5px);
  gap: 3px;
  align-items: end;
  height: 18px;
}
.brand-mark i {
  display: block;
  width: 5px;
  border-radius: 99px;
}
.brand-mark i:nth-child(1) { height: 11px; background: var(--gold); }
.brand-mark i:nth-child(2) { height: 18px; background: var(--green); }
.brand-mark i:nth-child(3) { height: 8px; background: var(--indigo); }

.header-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 38px;
  border: 1.5px solid var(--ink);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}
.lang-btn:hover { background: var(--ink); color: #fff; }

/* ---------- Layout ---------- */
.section {
  width: 100%;
  padding: 56px 18px;
}
.section > .sec-head,
.section > .edu-grid,
.section > .edu-carousel,
.section > .carousel-dots,
.section > .mvp-grid,
.section > .vote,
.section > .founder,
.section > .survey,
.section > .faq,
.section > .final-cta {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}
.sec-head {
  margin-bottom: 32px;
}
.sec-head h2 { margin-bottom: 12px; }
.sec-sub {
  color: var(--muted);
  font-size: 1rem;
  max-width: 620px;
}

/* ---------- HERO ---------- */
.hero {
  width: 100%;
  padding: 28px 18px 48px;
  background:
    radial-gradient(ellipse at 80% -10%, rgba(244, 178, 60, 0.18), transparent 50%),
    radial-gradient(ellipse at -10% 100%, rgba(157, 216, 75, 0.12), transparent 50%),
    var(--cream);
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 36px;
}
.hero-text {
  display: grid;
  gap: 18px;
}
.hero h1 {
  margin: 0;
}
.hero-sub {
  color: var(--ink-2);
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  max-width: 580px;
  line-height: 1.55;
}
.hero-note {
  color: var(--muted);
  font-size: 0.85rem;
  max-width: 540px;
  margin-top: 4px;
}

/* Hero visual: PWR UP concept carousel */
.hero-visual {
  position: relative;
  min-height: 430px;
  display: grid;
  align-content: center;
  gap: 18px;
  margin-top: 8px;
  overflow: hidden;
}

.concept-stage {
  position: relative;
  width: min(88vw, 390px);
  height: 340px;
  margin: 0 auto;
  isolation: isolate;
}

.concept-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(68vw, 270px);
  height: auto;
  border-radius: 28px;
  filter: drop-shadow(0 22px 36px rgba(31, 36, 38, 0.2));
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.78);
  transition: transform 420ms ease, opacity 420ms ease, filter 420ms ease;
  will-change: transform, opacity;
}

.concept-card img {
  width: 100%;
  height: auto;
  border-radius: inherit;
}

.concept-card.is-active {
  z-index: 4;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(-1deg);
}

.concept-card.is-next {
  z-index: 1;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.96) rotate(0deg);
  filter: drop-shadow(0 14px 24px rgba(31, 36, 38, 0.12));
}

.concept-card.is-prev {
  z-index: 1;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.96) rotate(0deg);
  filter: drop-shadow(0 10px 20px rgba(31, 36, 38, 0.1));
}

.concept-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.concept-dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.concept-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(31, 36, 38, 0.2);
  transition: width 180ms ease, background-color 180ms ease;
}

.concept-dot.is-active {
  width: 22px;
  background: var(--ink);
}

.concept-next {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(31, 36, 38, 0.14);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(31, 36, 38, 0.1);
  cursor: pointer;
}

.concept-next svg {
  width: 15px;
  height: 15px;
}

/* ---------- Movement reveal ---------- */
.movement-reveal {
  padding-top: 22px;
  padding-bottom: 48px;
  background:
    linear-gradient(180deg, rgba(247, 241, 232, 0) 0%, rgba(239, 229, 210, 0.72) 100%),
    var(--cream);
}

.movement-window {
  position: relative;
  width: min(100%, 1040px);
  height: clamp(420px, 82vw, 900px);
  margin: 0 auto;
  border-radius: 30px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), rgba(244, 178, 60, 0.12)),
    var(--cream-2);
  border: 1px solid rgba(216, 205, 182, 0.9);
  box-shadow: 0 24px 70px rgba(31, 36, 38, 0.13);
  isolation: isolate;
}

.movement-window::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  z-index: 2;
  pointer-events: none;
}

.movement-window::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(247, 241, 232, 0.72) 0%, rgba(247, 241, 232, 0) 38%),
    linear-gradient(90deg, rgba(31, 36, 38, 0.12), rgba(31, 36, 38, 0));
  opacity: 0.38;
  z-index: 1;
  pointer-events: none;
}

.movement-window picture,
.movement-window img {
  width: 100%;
  height: 100%;
}

.movement-window picture {
  display: block;
}

.movement-window img {
  object-fit: cover;
  opacity: 0;
  clip-path: inset(24% 0 0 0);
  transform: translateY(34px) scale(1.06);
  transition: opacity 520ms ease, clip-path 980ms cubic-bezier(0.2, 0.82, 0.2, 1), transform 980ms cubic-bezier(0.2, 0.82, 0.2, 1);
  will-change: opacity, clip-path, transform;
}

.movement-window.is-visible img {
  opacity: 1;
  clip-path: inset(0 0 0 0);
  transform: translateY(0) scale(1);
}

.strength-reveal {
  padding-top: 22px;
  padding-bottom: 34px;
  background:
    linear-gradient(180deg, rgba(247, 241, 232, 0.92) 0%, rgba(239, 229, 210, 0.58) 100%),
    var(--cream);
}

@media (prefers-reduced-motion: reduce) {
  .movement-window img {
    opacity: 1;
    clip-path: none;
    transform: none;
    transition: none;
  }
}

/* ---------- WHY CREATINE ---------- */
.sec-edu {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
}
.sec-mvp {
  padding-top: 30px;
  padding-bottom: 30px;
}
.edu-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}
.edu-carousel {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}
.edu-carousel .edu-grid {
  min-height: 300px;
  margin-bottom: 0;
}
.edu-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--cream);
  display: grid;
  gap: 10px;
  transition: border-color 160ms ease, transform 160ms ease;
}
.edu-carousel .edu-card {
  display: none;
  min-height: 300px;
  align-content: center;
}
.edu-carousel .edu-card.is-active {
  display: grid;
  animation: slideFade 320ms ease both;
}
.edu-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}
.edu-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--gold);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
}
.edu-card p {
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.55;
}
.carousel-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--line-2);
  border-radius: 50%;
  background: var(--cream);
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.carousel-btn:hover,
.carousel-btn:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  transform: translateY(-1px);
}
.carousel-btn svg {
  width: 18px;
  height: 18px;
}
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}
.carousel-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--line-2);
  cursor: pointer;
  transition: width 180ms ease, background 180ms ease;
}
.carousel-dots button.is-active {
  width: 26px;
  background: var(--ink);
}
@keyframes slideFade {
  from { opacity: 0; transform: translateX(14px); }
  to { opacity: 1; transform: translateX(0); }
}
/* ---------- MVP CONCEPTS ---------- */
.sec-mvp { background: var(--cream); }
.mvp-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}
.mvp-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--white);
  display: grid;
  gap: 14px;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.mvp-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}
.mvp-mockup {
  position: relative;
  height: 220px;
  border-radius: var(--r-md);
  background:
    radial-gradient(ellipse at 35% 25%, rgba(244, 178, 60, 0.14), transparent 60%),
    linear-gradient(155deg, #fffdf8, #f1e6cf);
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.mvp-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mvp-mockup.has-image {
  padding: 0;
  background: var(--white);
}
.mvp-mockup.has-image .stick-fallback {
  display: none;
}
.mvp-mockup.has-image .jar-fallback {
  display: none;
}
.stick-fallback {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
}
.jar-fallback {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
}

/* Stick pack */
.stick-shape {
  position: relative;
  width: 110px;
  height: 180px;
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.3) 0%, transparent 12%, transparent 88%, rgba(0,0,0,0.06) 100%),
    linear-gradient(135deg, #fff7e1 0%, #f4b23c 60%, #d88820 100%);
  display: grid;
  align-content: start;
  justify-items: center;
  padding: 22px 12px 28px;
  gap: 8px;
  box-shadow: 0 14px 28px rgba(160, 100, 30, 0.28);
}
.stick-shape::before, .stick-shape::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 8px;
  background: var(--ink);
  border-radius: 12px 12px 0 0;
}
.stick-shape::after {
  top: auto; bottom: 0;
  background: rgba(31, 36, 38, 0.7);
  border-radius: 0 0 12px 12px;
}
.stick-shape .stick-brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.stick-shape .stick-line {
  width: 50%;
  height: 1px;
  background: rgba(31, 36, 38, 0.4);
  margin: 4px 0;
}
.stick-shape .stick-product {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-align: center;
  opacity: 0.7;
}
.stick-shape .stick-dose {
  margin-top: 14px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}
.stick-shape .stick-flavor {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-transform: uppercase;
  opacity: 0.6;
}
.stick-shadow {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 130px; height: 8px;
  background: rgba(31, 36, 38, 0.18);
  border-radius: 50%;
  filter: blur(6px);
}

/* Gummy jar */
.jar-shape {
  position: relative;
  width: 150px;
  height: 200px;
}
.jar-lid {
  width: 130px;
  height: 32px;
  margin: 0 auto;
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, #2a3032, #1f2426);
  display: grid;
  place-items: center;
  box-shadow: 0 2px 0 rgba(0,0,0,0.15);
}
.jar-lid span {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.jar-label {
  position: absolute;
  top: 36px;
  left: 0;
  right: 0;
  height: 116px;
  margin: 0 8px;
  background: var(--ink);
  border-radius: 4px 4px 0 0;
  display: grid;
  place-content: center;
  gap: 6px;
  text-align: center;
  padding: 14px 8px;
}
.jar-label strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
}
.jar-label .jar-product {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.jar-label .jar-dose {
  display: inline-block;
  width: fit-content;
  justify-self: center;
  margin-top: 4px;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--gold);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
}
.jar-gummies {
  position: absolute;
  bottom: 0;
  left: 8px;
  right: 8px;
  height: 48px;
  background: linear-gradient(180deg, transparent, rgba(241, 230, 207, 0.6) 30%, var(--cream-2));
  border-radius: 0 0 4px 4px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 8px;
  overflow: hidden;
}
.jar-gummies span {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffd97a, #f4b23c 60%, #b87011);
  box-shadow: 0 4px 6px rgba(180, 110, 20, 0.3);
}
.jar-gummies span:nth-child(2) { width: 22px; height: 22px; }
.jar-gummies span:nth-child(4) { width: 22px; height: 22px; }
.jar-shadow {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 160px; height: 8px;
  background: rgba(31, 36, 38, 0.18);
  border-radius: 50%;
  filter: blur(6px);
}

.card-tag {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0;
}
.mvp-card h3 {
  margin: 0;
  font-size: 1.25rem;
}
.card-desc {
  color: var(--ink-2);
  font-size: 0.96rem;
  line-height: 1.55;
  margin: 0;
}
.card-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.card-list li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.92rem;
  color: var(--ink-2);
}
.card-list li::before {
  content: "";
  width: 8px; height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--gold);
}

/* Format vote */
.vote {
  padding: 24px 22px;
  border-radius: var(--r-lg);
  background: var(--ink);
  color: #fff;
  text-align: center;
}
.vote-q {
  margin: 0 0 14px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}
.vote-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.vote-btn {
  padding: 12px 18px;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--r-pill);
  background: transparent;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 160ms ease;
  -webkit-tap-highlight-color: transparent;
}
.vote-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--gold); }
.vote-btn.is-selected {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.vote-thanks {
  margin: 14px 0 0;
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 700;
}

/* ---------- FOUNDER ---------- */
.sec-founder {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.founder {
  display: grid;
  gap: 22px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--cream), #fff);
  box-shadow: var(--shadow-1);
}
.founder-photo {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--cream-2), var(--gold) 220%);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.photo-initials {
  font-family: "Space Grotesk", sans-serif;
  font-size: 3.4rem;
  font-weight: 700;
  color: var(--ink);
}
.photo-label {
  position: absolute;
  bottom: 6px; left: 6px; right: 6px;
  padding: 4px 6px;
  background: rgba(31, 36, 38, 0.7);
  color: #fff;
  border-radius: 6px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
}
.founder-text { display: grid; gap: 10px; }
.founder-quote {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
}
.founder-sig {
  color: var(--ink);
  font-weight: 700;
  font-size: 0.95rem;
}

/* ---------- SURVEY ---------- */
.sec-survey {
  background: var(--cream);
  padding-top: 34px;
}
.survey-mobile-launch {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin: 0 auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-2);
}
.survey-embed {
  display: none;
  max-width: 760px;
  margin: 0 auto;
  overflow: clip;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-2);
}
.survey-embed iframe {
  display: block;
  width: 100%;
  height: var(--survey-frame-height, 760px);
  min-height: 560px;
  border: 0;
  background: #fff;
}
.survey {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--white);
  box-shadow: var(--shadow-2);
}
.survey-progress {
  height: 6px;
  border-radius: 99px;
  overflow: hidden;
  background: var(--cream-2);
  margin-bottom: 10px;
}
.survey-progress span {
  display: block;
  width: 14%;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--green));
  border-radius: inherit;
  transition: width 280ms ease;
}
.survey-step-text {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.survey-step-text strong { color: var(--ink); }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.step { display: none; }
.step.is-active { display: grid; gap: 16px; }
legend {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
}
.choices { display: grid; gap: 10px; }
.choices label {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  min-height: 56px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
  font-weight: 600;
  font-size: 0.96rem;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
  -webkit-tap-highlight-color: transparent;
}
.choices label:hover { border-color: var(--gold); }
.choices label.is-checked {
  border-color: var(--ink);
  background: #fff;
  box-shadow: 0 0 0 2px var(--ink) inset;
}
.choices input { width: 20px; height: 20px; accent-color: var(--ink); cursor: pointer; }

.profile-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid rgba(244, 178, 60, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(244, 178, 60, 0.14), rgba(157, 216, 75, 0.06));
}
.profile-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.profile-card strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
}
.profile-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.contacts { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field-lbl {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  min-height: 48px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--cream);
  font-size: 1rem;
}
.field input:focus, .field textarea:focus {
  outline: 0;
  border-color: var(--ink);
  background: #fff;
}
.field-err { color: var(--error); font-size: 0.84rem; font-weight: 600; }

.consent {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
  font-size: 0.85rem;
  color: var(--ink-2);
  line-height: 1.5;
  cursor: pointer;
}
.consent input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--ink); }
.pdp-note { margin: 0; font-size: 0.76rem; color: var(--muted); }
.pdp-note a { text-decoration: underline; color: var(--ink-2); }

.survey-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.survey-actions .btn { flex: 1 1 auto; min-width: 0; }
.step-err { margin: 12px 0 0; color: var(--error); font-size: 0.86rem; font-weight: 600; }

.survey-success {
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 36px 16px;
  text-align: center;
}
.check {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 1.8rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

/* ---------- FAQ ---------- */
.sec-faq { background: var(--white); border-top: 1px solid var(--line); }
.faq {
  display: grid;
  gap: 10px;
  margin-bottom: 36px;
}
.faq details {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
  transition: border-color 140ms ease;
}
.faq details[open] {
  border-color: var(--gold);
  background: #fff;
}
.faq summary {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.98rem;
  -webkit-tap-highlight-color: transparent;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  margin-left: auto;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--muted);
}
.faq details[open] summary::after { content: "−"; color: var(--ink); }
.faq p { margin: 10px 0 0; color: var(--ink-2); font-size: 0.94rem; line-height: 1.55; }

.final-cta {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(ellipse at 30% 30%, rgba(244, 178, 60, 0.18), transparent 60%),
    var(--ink);
  color: #fff;
}
.final-cta h3 {
  color: #fff;
  font-size: clamp(1.4rem, 4vw, 2rem);
  margin-bottom: 18px;
}
.final-cta .btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.final-cta .btn-primary:hover { background: #fbc15a; }

/* ---------- FOOTER ---------- */
.footer {
  width: 100%;
  padding: 32px 18px 36px;
  border-top: 1px solid var(--line);
  background: var(--cream);
}
.footer-row {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}
.footer-row > div:first-child {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-weight: 700;
}
.footer-tag {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
}
.footer-meta { font-size: 0.84rem; color: var(--muted); display: grid; gap: 6px; }
.footer-meta a { color: var(--ink-2); text-decoration: underline; }

/* ---------- STICKY MOBILE CTA ---------- */
.mobile-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(to top, rgba(247, 241, 232, 1) 60%, rgba(247, 241, 232, 0));
  z-index: 25;
  pointer-events: none;
  transform: translateY(100%);
  transition: transform 240ms ease;
}
.mobile-cta.is-visible { transform: translateY(0); }
.mobile-cta .btn {
  width: 100%;
  pointer-events: auto;
  box-shadow: 0 10px 24px rgba(31, 36, 38, 0.28);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (min-width: 720px) {
  body { padding-bottom: 0; }
  .mobile-cta { display: none; }

  .header { padding: 16px 28px; }
  .section { padding: 80px 28px; }
  .hero { padding: 56px 28px 88px; }
  .sec-edu { padding-bottom: 80px; }
  .sec-mvp { padding-top: 80px; padding-bottom: 80px; }
  .sec-survey { padding-top: 80px; }

  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
  }
  .hero-visual { min-height: 520px; margin-top: 0; }
  .concept-stage { width: min(42vw, 460px); height: 420px; }
  .concept-card { width: min(24vw, 305px); }
  .concept-controls { justify-content: flex-end; padding-right: min(3vw, 24px); }

  .edu-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .edu-carousel {
    display: block;
    gap: 16px;
  }
  .edu-carousel .carousel-btn,
  #why-creatine > .carousel-dots {
    display: none;
  }
  .edu-carousel .edu-grid {
    display: grid;
    min-height: 0;
  }
  .edu-carousel .edu-card,
  .edu-carousel .edu-grid {
    min-height: 0;
  }
  .edu-carousel .edu-card {
    display: grid;
    align-content: start;
  }
  .mvp-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .choices { grid-template-columns: repeat(2, 1fr); }
  .contacts { grid-template-columns: repeat(2, 1fr); }
  .field-wide { grid-column: 1 / -1; }

  .founder { grid-template-columns: 200px 1fr; padding: 32px; }
  .footer-row { grid-template-columns: 1fr auto; align-items: center; }
  .footer-meta { text-align: right; }

  .survey { padding: 32px; }
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(330px, 0.78fr);
    gap: 34px;
  }
  .hero-visual {
    min-height: 425px;
    align-content: center;
  }
  .concept-stage {
    width: min(36vw, 480px);
    height: 292px;
    margin-left: 0;
    margin-right: auto;
  }
  .concept-card {
    left: 0;
    width: min(36vw, 480px);
    transform: translateY(-50%) scale(0.78);
  }
  .concept-card.is-active {
    transform: translateY(-50%) scale(1) rotate(-1deg);
  }
  .concept-card.is-next,
  .concept-card.is-prev {
    transform: translateY(-50%) scale(0.96) rotate(0deg);
  }
  .concept-controls {
    justify-content: flex-start;
    padding-right: 0;
  }
  .edu-grid { grid-template-columns: repeat(3, 1fr); }
  .mvp-mockup { height: 280px; }
}

@media (max-width: 380px) {
  .brand-name { display: none; }
  .header { padding: 12px 14px; }
  .vote-btn { flex: 1 1 100%; }
  .section { padding: 48px 16px; }
  .hero { padding: 24px 16px 40px; }
  .edu-carousel {
    grid-template-columns: 1fr 1fr;
  }
  .edu-carousel .edu-grid {
    grid-column: 1 / -1;
    grid-row: 1;
  }
  .carousel-prev,
  .carousel-next {
    grid-row: 2;
    justify-self: center;
  }
}

@media (max-width: 719px) {
  .survey-mobile-launch h3 {
    font-size: 1.35rem;
  }

  .survey-mobile-launch p {
    color: var(--muted);
    font-size: 0.95rem;
  }

  .survey-mobile-kicker {
    width: fit-content;
    padding: 5px 10px;
    border-radius: var(--r-pill);
    background: rgba(244, 178, 60, 0.18);
    color: #8a5208 !important;
    font-size: 0.72rem !important;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .survey-mobile-launch .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}