:root {
  --ink: #111111;
  --cream: #fffaf0;
  --pista: #b9dca0;
  --fragola: #f7a8b8;
  --mango: #ffc86b;
  --mirtillo: #9aa7ff;
  --cone: #e3a857;
  --stripe-w: 38px;
  --serif: "Fraunces", Georgia, serif;
  --mono: "Rubik Mono One", "Arial Black", sans-serif;
  --hand: "Caveat", cursive;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 70px; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.5;
  overflow-x: hidden;
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='40' viewBox='0 0 32 40'%3E%3Cpolygon points='8,16 24,16 16,38' fill='%23e3a857' stroke='%23111' stroke-width='2'/%3E%3Ccircle cx='16' cy='12' r='10' fill='%23fff' stroke='%23111' stroke-width='2'/%3E%3Cpath d='M9 6l4 12M15 3l3 16M21 5l2 10' stroke='%23111' stroke-width='3'/%3E%3C/svg%3E") 16 4, auto;
}
a, button, summary, input[type=range] { cursor: pointer; }
body.upside-down main { transform: rotate(180deg); transition: transform 1.2s cubic-bezier(.7,-0.4,.3,1.4); }
main { transition: transform 1.2s cubic-bezier(.7,-0.4,.3,1.4); }
body.inverted { filter: invert(1) hue-rotate(180deg); }

/* ============ zebra stripe utility ============ */
.zebra-bg {
  background: repeating-linear-gradient(105deg, var(--ink) 0 var(--stripe-w), var(--cream) var(--stripe-w) calc(var(--stripe-w) * 2));
}

/* film grain, for gravitas */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 24px;
  background: var(--cream);
  border-bottom: 4px solid var(--ink);
}
.nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -14px; height: 10px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 14px, transparent 14px 28px);
}
.logo {
  font-family: var(--mono); font-size: 22px; color: var(--ink); text-decoration: none;
  letter-spacing: .04em;
}
.logo-tm { font-size: 10px; vertical-align: super; }
.nav nav { display: flex; gap: 22px; }
.nav nav a {
  color: var(--ink); text-decoration: none; font-weight: 900; font-style: italic;
  position: relative;
}
.nav nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 5px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 6px, transparent 6px 10px);
  transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav nav a:hover::after { transform: scaleX(1); }
.stripe-btn {
  font-family: var(--mono); font-size: 12px;
  border: 3px solid var(--ink); background: var(--mango); color: var(--ink);
  padding: 8px 14px; border-radius: 999px; box-shadow: 4px 4px 0 var(--ink);
  transition: transform .1s, box-shadow .1s;
}
.stripe-btn:active { transform: translate(4px,4px); box-shadow: 0 0 0 var(--ink); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block; font-family: var(--mono); font-size: 14px; text-decoration: none;
  padding: 14px 22px; border: 3px solid var(--ink); border-radius: 999px;
  box-shadow: 5px 5px 0 var(--ink); transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translate(-2px,-2px) rotate(-1.5deg); box-shadow: 7px 7px 0 var(--ink); }
.btn:active { transform: translate(5px,5px); box-shadow: 0 0 0 var(--ink); }
.btn-dark { background: var(--ink); color: var(--cream); box-shadow: 5px 5px 0 var(--fragola); }
.btn-dark:hover { box-shadow: 7px 7px 0 var(--fragola); }
.btn-light { background: var(--pista); color: var(--ink); }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; box-shadow: none; }
.btn-ghost:hover { box-shadow: none; }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: calc(100vh - 70px);
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 24px;
  padding: 60px 5vw 40px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: -40px; z-index: -1; opacity: .09;
  background: repeating-linear-gradient(115deg, var(--ink) 0 60px, transparent 60px 130px);
  filter: url(#wobble);
}
.eyebrow {
  font-family: var(--hand); font-size: 26px; color: #c2415e; margin: 0 0 4px;
  transform: rotate(-2deg); display: inline-block;
}
.title {
  font-family: var(--mono); font-weight: 400; margin: 0; line-height: .9;
  font-size: clamp(64px, 13vw, 190px); letter-spacing: -.02em;
  background: repeating-linear-gradient(100deg, var(--ink) 0 .14em, #fff 0.14em .24em);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  -webkit-text-stroke: 3px var(--ink);
  background-size: 200% 100%;
  animation: stripe-slide 6s linear infinite;
}
.title-z { display: inline-block; animation: z-wiggle 2.6s ease-in-out infinite; transform-origin: 50% 90%; }
@keyframes stripe-slide { to { background-position: -200% 0; } }
@keyframes z-wiggle { 0%,100% { transform: rotate(-6deg); } 50% { transform: rotate(8deg) scale(1.06); } }
.subtitle { font-size: clamp(20px, 2.3vw, 30px); line-height: 1.3; margin: 18px 0 28px; max-width: 30ch; }
.subtitle em { font-weight: 700; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; }
.fineprint { font-size: 12px; opacity: .6; margin-top: 26px; font-style: italic; }

.hero-art { position: relative; text-align: center; }
#heroCone { width: min(100%, 440px); height: auto; overflow: visible; animation: float 5s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-16px) rotate(2deg); } }
.zebra-head { transform-origin: 200px 210px; transition: transform .3s; }
.zebra-head:hover { transform: rotate(-8deg) scale(1.04); }
.mane path { transform-box: fill-box; transform-origin: bottom; animation: mane 1.4s ease-in-out infinite alternate; }
.mane path:nth-child(2n) { animation-delay: -.7s; }
@keyframes mane { from { transform: skewX(-12deg); } to { transform: skewX(12deg); } }
.drips path { transform-box: fill-box; transform-origin: top; animation: drip 3.2s ease-in infinite; }
.drips path:nth-child(2) { animation-delay: -1.1s; }
.drips path:nth-child(3) { animation-delay: -2s; }
@keyframes drip { 0% { transform: scaleY(.3); } 80% { transform: scaleY(1.6); } 100% { transform: scaleY(.3); } }
.hero-caption { font-family: var(--hand); font-size: 28px; margin: 0; transform: rotate(-3deg); }

/* ============ MARQUEE ============ */
.marquee {
  background: var(--ink); color: var(--cream); overflow: hidden; white-space: nowrap;
  border-block: 6px solid var(--mango); transform: rotate(-1.5deg) scale(1.05); margin: 20px 0 40px;
}
.marquee-track { display: inline-flex; gap: 28px; padding: 16px 0; font-family: var(--mono); font-size: 18px; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ MANIFESTO ============ */
.manifesto { padding: 60px 5vw 80px; max-width: 1100px; margin: 0 auto; }
.manifesto-text { font-size: clamp(24px, 3.4vw, 46px); line-height: 1.25; margin: 0; }
.hl { background: linear-gradient(transparent 55%, var(--fragola) 55%); font-style: italic; }
.striped-word {
  font-weight: 900; font-style: italic;
  background: repeating-linear-gradient(95deg, var(--ink) 0 6px, #fff 6px 11px);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}

/* ============ SECTION TITLES ============ */
.section-title { text-align: center; margin: 0 0 8px; }
.section-title span {
  display: inline-block; font-family: var(--mono); font-weight: 400;
  font-size: clamp(36px, 6vw, 76px);
  background: var(--cream); color: var(--ink); padding: 6px 26px; border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink); transform: rotate(-2deg);
}
.section-title.light span { box-shadow: 8px 8px 0 var(--fragola); }
.section-sub { text-align: center; max-width: 60ch; margin: 26px auto 40px; font-style: italic; }
.section-sub.light { color: var(--cream); }

/* ============ MENU ============ */
.menu { padding: 60px 5vw 100px; }
.flavor-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px;
  max-width: 1200px; margin: 0 auto;
}
.flavor {
  perspective: 1000px; height: 360px; border: 0; padding: 0; background: none; text-align: inherit; font: inherit; color: inherit;
}
.flavor-inner {
  position: relative; width: 100%; height: 100%; transition: transform .7s cubic-bezier(.5,-0.3,.4,1.4);
  transform-style: preserve-3d;
}
.flavor.flipped .flavor-inner { transform: rotateY(180deg); }
.flavor-face {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border: 4px solid var(--ink); border-radius: 26px; background: var(--cream);
  box-shadow: 8px 8px 0 var(--ink); padding: 18px; display: flex; flex-direction: column; align-items: center;
}
.flavor:hover .flavor-face.front { transform: rotate(-1.2deg); }
.flavor-face.back { transform: rotateY(180deg); background: var(--ink); color: var(--cream); justify-content: center; text-align: center; gap: 10px; }
.flavor-face.back h4 { font-family: var(--mono); font-weight: 400; font-size: 14px; margin: 0; color: var(--mango); }
.flavor-face.back p { margin: 0; font-size: 16px; }
.flavor-face.back .pair { font-family: var(--hand); font-size: 22px; color: var(--fragola); }
.flavor svg { width: 170px; height: 170px; overflow: visible; }
.flavor h3 { font-size: 22px; line-height: 1.1; margin: 8px 0 4px; text-align: center; font-weight: 900; }
.flavor .it { font-style: italic; font-size: 14px; opacity: .7; margin: 0; text-align: center; }
.flavor .price {
  margin-top: auto; font-family: var(--mono); font-size: 12px; padding: 6px 12px; border-radius: 999px;
  border: 2px solid var(--ink);
}
.badge {
  position: absolute; top: -12px; right: -10px; font-family: var(--mono); font-size: 10px;
  background: var(--fragola); border: 3px solid var(--ink); padding: 6px 10px; border-radius: 999px;
  transform: rotate(8deg); z-index: 2;
}

/* ============ BUILDER ============ */
.builder {
  position: relative; padding: 80px 5vw 100px; color: var(--cream); overflow: hidden;
  background: var(--ink);
}
.builder::before {
  content: ""; position: absolute; inset: -60px; opacity: .12; pointer-events: none;
  background: repeating-linear-gradient(70deg, var(--cream) 0 50px, transparent 50px 120px);
  filter: url(#wobble);
}
.builder-wrap {
  position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  max-width: 1100px; margin: 0 auto; align-items: end;
}
.builder-stage {
  position: relative; min-height: 560px; display: flex; align-items: flex-end; justify-content: center;
  background: radial-gradient(ellipse at 50% 100%, rgba(255,200,107,.25), transparent 60%);
  border-radius: 20px;
}
.tower-holder { width: 100%; max-width: 320px; transform-origin: 50% 100%; }
.tower-holder.wobble { animation: tower-wobble var(--wob-dur, 2s) ease-in-out infinite; }
@keyframes tower-wobble {
  0%,100% { transform: rotate(calc(var(--wob, 1deg) * -1)); }
  50% { transform: rotate(var(--wob, 1deg)); }
}
.tower-holder.topple { animation: topple 1.2s cubic-bezier(.6,-0.2,.8,.4) forwards; }
@keyframes topple { to { transform: rotate(95deg) translateY(-40px); opacity: .2; } }
#tower { width: 100%; height: auto; overflow: visible; }
.scoop-drop { animation: scoop-drop .5s cubic-bezier(.3,1.6,.6,1); transform-box: fill-box; transform-origin: 50% 100%; }
@keyframes scoop-drop { from { transform: translateY(-300px) scaleY(1.3); } 70% { transform: translateY(0) scaleY(.8) scaleX(1.15); } to { transform: none; } }
.toppled {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 20px;
}
.toppled[hidden] { display: none; }
.toppled p { font-family: var(--mono); font-size: 22px; color: var(--mango); margin: 0; animation: shake .3s infinite; }
@keyframes shake { 0%,100% { transform: translate(0); } 25% { transform: translate(-3px,2px); } 75% { transform: translate(3px,-2px); } }

.builder-controls {
  background: var(--cream); color: var(--ink); border: 4px solid var(--ink); border-radius: 26px;
  padding: 26px; box-shadow: 10px 10px 0 var(--fragola);
}
.ctrl-label { font-weight: 900; margin: 0 0 10px; display: block; }
.ctrl-label output { font-family: var(--hand); font-size: 24px; color: #c2415e; }
.scoop-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.scoop-btn {
  display: flex; align-items: center; gap: 8px;
  border: 3px solid var(--ink); border-radius: 999px; background: #fff; padding: 6px 12px 6px 6px;
  font-family: var(--serif); font-weight: 900; font-size: 14px; box-shadow: 3px 3px 0 var(--ink);
  transition: transform .1s;
}
.scoop-btn:hover { transform: translateY(-2px) rotate(-2deg); }
.scoop-btn:active { transform: translate(3px,3px); box-shadow: none; }
.scoop-btn i { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--ink); display: block; }
input[type=range] { width: 100%; accent-color: var(--ink); margin-bottom: 20px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; margin-bottom: 18px; }
.stats > div { border: 3px solid var(--ink); border-radius: 16px; padding: 10px 4px; background: #fff; }
.stat-num { display: block; font-family: var(--mono); font-size: 22px; }
.stat-lbl { font-size: 12px; font-style: italic; }
.verdict { font-family: var(--hand); font-size: 26px; line-height: 1.15; min-height: 3.5em; margin: 0 0 16px; }
.builder-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.builder-actions .btn-ghost { color: var(--ink); }

/* ============ SCIENCE ============ */
.science { padding: 90px 5vw 100px; }
.science-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; max-width: 1100px; margin: 0 auto; align-items: center; }
.chart-card {
  margin: 0; border: 4px solid var(--ink); border-radius: 22px; padding: 22px; background: #fff;
  box-shadow: 10px 10px 0 var(--mirtillo);
}
.chart-card figcaption { font-family: var(--mono); font-size: 14px; margin-bottom: 10px; }
.chart { width: 100%; overflow: visible; font-family: var(--mono); font-size: 11px; }
.chart text { fill: currentColor; }
.overflow-bar { animation: escape 3s ease-in-out infinite alternate; transform-box: fill-box; transform-origin: bottom; }
@keyframes escape { to { transform: translateY(-30px) rotate(6deg); } }
.chart-note { font-style: italic; font-size: 14px; margin: 10px 0 0; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fact { border-top: 4px solid var(--ink); padding-top: 10px; }
.fact-num { display: block; font-family: var(--mono); font-size: clamp(30px, 4vw, 48px); line-height: 1; }
.fact-lbl { font-size: 15px; font-style: italic; }

/* ============ TESTIMONIALS ============ */
.testimonials {
  padding: 90px 5vw 110px; position: relative;
  background: repeating-linear-gradient(100deg, var(--ink) 0 70px, #222 70px 140px);
}
.review-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px;
  max-width: 1200px; margin: 50px auto 0;
}
.review {
  margin: 0; background: var(--cream); border: 4px solid var(--ink); border-radius: 6px 30px 6px 30px;
  padding: 24px; box-shadow: 8px 8px 0 var(--mango); transition: transform .25s;
}
.review:nth-child(2) { box-shadow: 8px 8px 0 var(--pista); }
.review:nth-child(3) { box-shadow: 8px 8px 0 var(--fragola); }
.review:nth-child(4) { box-shadow: 8px 8px 0 var(--mirtillo); }
.tilt-r { transform: rotate(2deg); }
.tilt-l { transform: rotate(-2deg); }
.review:hover { transform: rotate(0) scale(1.03); }
.review p { font-size: 20px; margin: 0 0 14px; line-height: 1.3; }
.review cite { font-style: normal; font-family: var(--hand); font-size: 22px; }

/* ============ FAQ ============ */
.faq { padding: 90px 5vw; max-width: 900px; margin: 0 auto; }
.faq .section-title { margin-bottom: 40px; }
details {
  border: 4px solid var(--ink); border-radius: 18px; margin-bottom: 16px; background: #fff;
  box-shadow: 5px 5px 0 var(--ink); overflow: hidden;
}
summary {
  list-style: none; padding: 18px 56px 18px 22px; font-weight: 900; font-size: 20px; position: relative;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: ""; position: absolute; right: 18px; top: 50%; width: 26px; height: 26px; margin-top: -13px;
  border-radius: 50%; border: 3px solid var(--ink);
  background: repeating-linear-gradient(45deg, var(--ink) 0 4px, #fff 4px 8px);
  transition: transform .4s;
}
details[open] summary::after { transform: rotate(540deg); }
details[open] summary { background: var(--pista); border-bottom: 3px dashed var(--ink); }
details p { padding: 4px 22px 18px; margin: 12px 0 0; }

/* ============ NEWSLETTER ============ */
.newsletter { text-align: center; padding: 80px 5vw 100px; background: var(--mango); border-top: 4px solid var(--ink); }
.newsletter h2 { font-size: clamp(34px, 5vw, 60px); margin: 0; font-weight: 900; }
.news-form { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.news-form input {
  font: inherit; padding: 12px 20px; border: 3px solid var(--ink); border-radius: 999px; min-width: 260px;
  background: var(--cream);
}
.news-result { font-family: var(--hand); font-size: 28px; min-height: 1.4em; margin: 20px 0 0; }

/* ============ FOOTER ============ */
.footer { background: var(--ink); color: var(--cream); text-align: center; padding: 0 5vw 50px; }
.footer-stripes {
  height: 60px; margin: 0 -5vw 30px;
  background: repeating-linear-gradient(90deg, var(--cream) 0 30px, var(--ink) 30px 60px);
  filter: url(#wobble-lite);
}
.footer-logo { font-family: var(--mono); font-size: 44px; margin: 0 0 10px; }
.footer p { margin: 6px 0; }
.visitor strong { font-family: var(--mono); color: var(--mango); }
.hint { opacity: .55; font-size: 14px; font-style: italic; }
kbd { font-family: var(--mono); font-size: 11px; background: var(--cream); color: var(--ink); padding: 2px 6px; border-radius: 4px; }

/* ============ SPRINKLES / EFFECTS ============ */
#sprinkles { position: fixed; inset: 0; pointer-events: none; z-index: 90; overflow: hidden; }
.sprinkle {
  position: absolute; width: 12px; height: 4px; border-radius: 3px;
  animation: sprinkle-fall 1.1s cubic-bezier(.4,0,.8,.6) forwards;
}
@keyframes sprinkle-fall { to { transform: translate(var(--dx), 120px) rotate(var(--rot)); opacity: 0; } }
.click-scoop {
  position: absolute; width: 46px; height: 46px; border-radius: 50%; border: 3px solid var(--ink);
  background: repeating-linear-gradient(110deg, var(--ink) 0 6px, #fff 6px 13px);
  animation: plop 1.6s cubic-bezier(.3,1.5,.6,1) forwards;
}
@keyframes plop {
  0% { transform: translate(-50%,-50%) scale(0); }
  20% { transform: translate(-50%,-50%) scale(1.2, .8); }
  35% { transform: translate(-50%,-50%) scale(1); }
  100% { transform: translate(-50%, 60px) scale(.6, 1.3); opacity: 0; }
}

#stampede { position: fixed; inset: 0; pointer-events: none; z-index: 95; overflow: hidden; }
.runner {
  position: absolute; left: -120px; font-size: 64px; line-height: 1;
  animation: run linear forwards;
}
@keyframes run { to { transform: translateX(calc(100vw + 240px)); } }
.runner span { display: inline-block; transform: scaleX(-1); animation: gallop .25s ease-in-out infinite alternate; }
@keyframes gallop { to { transform: scaleX(-1) translateY(-14px) rotate(-6deg); } }

#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 160%); z-index: 99;
  background: var(--ink); color: var(--cream); border: 3px solid var(--mango); border-radius: 999px;
  padding: 12px 22px; font-weight: 900; font-style: italic; max-width: calc(100vw - 32px); text-align: center;
  transition: transform .4s cubic-bezier(.3,1.6,.6,1);
}
#toast.show { transform: translate(-50%, 0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 30px; }
  .subtitle { margin-inline: auto; }
  .hero-ctas { justify-content: center; }
  .hero-art { order: -1; }
  #heroCone { width: min(70vw, 320px); }
  .builder-wrap, .science-grid { grid-template-columns: 1fr; }
  .builder-stage { min-height: 460px; }
  .nav nav { display: none; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .nav { padding: 10px 16px; }
  .hero, .menu, .builder, .science, .testimonials, .faq, .newsletter, .manifesto { padding-left: 16px; padding-right: 16px; }
  .facts { grid-template-columns: 1fr; }
  .news-form input { min-width: 0; width: 100%; }
  .title { -webkit-text-stroke: 2px var(--ink); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition: none !important; }
}