:root {
  --red: #ff3b36;
  --ink: #0b0b0b;
  --paper: #f3f0ed;
  --muted: #b9b4b1;
  --pad: clamp(1.25rem, 6vw, 5.5rem);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--ink);
  color: var(--paper);
  font-family: "Inter", sans-serif;
  overscroll-behavior: none;
}

body { overflow: hidden; }
button, a { font: inherit; }
a { color: inherit; }

.reel {
  height: 100svh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

.reel::-webkit-scrollbar, .card-strip::-webkit-scrollbar { display: none; }

.slide {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 100svh;
  height: 100svh;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background: #111;
}

.slide__image {
  position: absolute;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.07);
  transition: transform 1.6s cubic-bezier(.2,.8,.2,1), filter .8s ease;
}

.is-active .slide__image { transform: scale(1); }
.slide__shade { position: absolute; inset: 0; z-index: -2; pointer-events: none; }

.slide__content {
  align-self: center;
  width: 100%;
  padding: max(4.75rem, env(safe-area-inset-top)) calc(var(--pad) + 1.35rem) max(4.5rem, env(safe-area-inset-bottom)) var(--pad);
}

.slide__content--bottom { align-self: flex-end; }
.eyebrow { margin: 0 0 .65rem; color: var(--red); font-size: .68rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }

.display {
  margin: 0;
  max-width: 16ch;
  font-family: "Rubik", sans-serif;
  font-size: clamp(2.55rem, 12vw, 5rem);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.display em { color: var(--red); font-style: italic; }
.lead { max-width: 40rem; margin: 1.25rem 0 0; color: #dedad7; font-size: clamp(.88rem, 3.7vw, 1.25rem); line-height: 1.55; }
.body-copy { max-width: 42rem; margin-top: 1.25rem; color: #ddd8d5; font-size: clamp(.78rem, 3.15vw, 1rem); line-height: 1.5; }
.body-copy p { margin: 0 0 .7rem; }

.progress {
  position: fixed;
  z-index: 20;
  top: 50%;
  right: max(.65rem, env(safe-area-inset-right));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: white;
  font: 600 .58rem/1 "Inter", sans-serif;
  letter-spacing: .08em;
  transform: translateY(-50%);
}

.progress__track { width: 2px; height: 5.5rem; overflow: hidden; background: rgba(255,255,255,.25); }
.progress__bar { display: block; width: 100%; height: 10%; background: var(--red); transition: height .5s cubic-bezier(.2,.8,.2,1); }
.progress__total { opacity: .45; }

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity .65s ease, transform .65s cubic-bezier(.2,.8,.2,1);
}

.is-active .reveal { opacity: 1; transform: translateY(0); }
.is-active .reveal:nth-child(2) { transition-delay: .08s; }
.is-active .reveal:nth-child(3) { transition-delay: .16s; }
.is-active .reveal:nth-child(4) { transition-delay: .24s; }
.is-active .reveal:nth-child(5) { transition-delay: .32s; }

.slide--hero .slide__image { object-position: 52% center; }
.slide--hero .slide__shade { background: linear-gradient(180deg, rgba(0,0,0,.08) 10%, rgba(7,7,7,.25) 42%, rgba(7,7,7,.98) 100%); }
.slide--hero .slide__content { padding-bottom: max(6rem, calc(env(safe-area-inset-bottom) + 5rem)); }
.slide--hero .display { font-size: clamp(2.75rem, 13vw, 6rem); }
.hero-orbit { position: absolute; z-index: -1; top: 13%; right: -27%; width: 65vw; aspect-ratio: 1; border: 1px solid rgba(255,59,54,.55); border-radius: 50%; box-shadow: 0 0 70px rgba(255,59,54,.12); }

.swipe-hint {
  position: absolute;
  right: 50%;
  bottom: max(1rem, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  padding: 0;
  border: 0;
  color: rgba(255,255,255,.7);
  background: transparent;
  font-size: .57rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  transform: translateX(50%);
  cursor: pointer;
}
.swipe-hint svg { width: 1.2rem; fill: none; stroke: currentColor; stroke-width: 1.5; animation: bounce 1.6s infinite; }

.slide--about .slide__image {
  top: auto;
  bottom: 0;
  height: 60%;
  object-position: 56% center;
}
.slide--about .slide__shade {
  background: linear-gradient(180deg, #101010 0%, #101010 38%, rgba(16,16,16,.9) 48%, rgba(16,16,16,.18) 68%, rgba(5,5,5,.08) 100%);
}
.slide--about .slide__content { align-self: flex-start; }
.link-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.15rem; }
.link-row a { padding-bottom: .25rem; border-bottom: 1px solid rgba(255,59,54,.7); color: var(--red); font-size: .72rem; font-weight: 700; text-decoration: none; }

.slide--features .slide__image { top: -2%; height: 102%; object-position: center 64%; filter: brightness(.62); }
.slide--features .slide__shade { background: linear-gradient(180deg, rgba(4,7,10,.2), rgba(8,9,10,.75) 42%, #111 100%); }
.slide--features .slide__content { align-self: flex-end; padding-bottom: max(3.75rem, env(safe-area-inset-bottom)); }
.slide--features .display { font-size: clamp(2.45rem, 11.5vw, 5rem); }
.card-strip { display: flex; gap: .75rem; width: calc(100% + var(--pad) + 1.35rem); margin-top: 1.2rem; padding-right: var(--pad); overflow-x: auto; scroll-snap-type: x mandatory; }
.feature-card { flex: 0 0 min(76vw, 23rem); min-height: 11.5rem; padding: 1rem; border: 1px solid rgba(255,255,255,.22); border-radius: .35rem; background: rgba(19,19,19,.82); backdrop-filter: blur(12px); scroll-snap-align: start; }
.card-number { color: var(--red); font-family: "Rubik", sans-serif; font-size: .8rem; }
.feature-card h3 { margin: .65rem 0 .55rem; font: 700 1.35rem/1 "Rubik", sans-serif; text-transform: uppercase; }
.feature-card p { margin: 0; color: #c9c5c2; font-size: .78rem; line-height: 1.5; }
.drag-hint { margin: .65rem 0 0; color: #aaa5a2; font-size: .62rem; text-transform: uppercase; letter-spacing: .1em; }
.drag-hint span { color: var(--red); }

.slide--benefits .slide__image { filter: brightness(.68); }
.slide--benefits .slide__shade { background: linear-gradient(180deg, rgba(0,0,0,.12), rgba(8,8,8,.38) 35%, #0a0a0a 100%); }
.slide--benefits .display { font-size: clamp(2.55rem, 12vw, 5rem); }
.benefit-list { margin-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.25); }
.benefit { display: grid; grid-template-columns: 2rem 1fr; gap: .65rem; padding: .85rem 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.benefit > span { color: var(--red); font: 700 .78rem/1 "Rubik", sans-serif; }
.benefit h3 { margin: 0 0 .3rem; font: 700 1.25rem/1 "Rubik", sans-serif; text-transform: uppercase; }
.benefit p { margin: 0; color: #c8c3c0; font-size: .72rem; line-height: 1.45; }

.slide--commitment .slide__image {
  top: auto;
  bottom: 0;
  height: 60%;
  object-position: center 50%;
}
.slide--commitment .slide__shade { background: linear-gradient(180deg, #101010 0%, #101010 38%, rgba(16,16,16,.9) 48%, rgba(16,16,16,.18) 68%, rgba(5,5,5,.08) 100%); }
.slide--commitment .slide__content { align-self: flex-start; }
.slide--pillar .slide__content { padding-top: max(6rem, env(safe-area-inset-top)); }
.slide--commitment .display { font-size: clamp(2.35rem, 10.5vw, 4.75rem); }
.section-label { margin: 1.15rem 0 .3rem; color: var(--red); font-size: .66rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.pillar {
  position: relative;
  max-width: 35rem;
  margin-top: .35rem;
  padding: 1rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: .35rem;
  background: rgba(12,12,12,.78);
  backdrop-filter: blur(10px);
}
.pillar__number { display: block; margin-bottom: .55rem; color: var(--red); font: 700 .72rem/1 "Rubik", sans-serif; }
.pillar h3 { max-width: 24rem; margin: 0 0 .6rem; font: 700 1rem/1.12 "Rubik", sans-serif; text-transform: uppercase; }
.pillar p { margin: 0; color: #d8d4d1; font-size: clamp(.68rem, 2.65vw, .84rem); line-height: 1.48; }
.slide--pillar .pillar { max-width: 38rem; padding: 1.2rem; }
.slide--pillar .pillar__number { margin-bottom: .8rem; font-size: .85rem; }
.slide--pillar .pillar h3 { font-size: clamp(1.2rem, 5vw, 1.65rem); }
.slide--pillar .pillar p { font-size: clamp(.78rem, 3.15vw, .95rem); }

.slide--closing .slide__image { object-position: 48% center; }
.slide--closing .slide__shade { background: linear-gradient(180deg, rgba(2,3,4,.16), rgba(4,4,4,.5) 38%, #0b0b0b 100%); }
.slide--closing .display { font-size: clamp(2.55rem, 12vw, 5rem); }
.visibility { margin-top: 1rem; padding: .85rem 0; border-top: 1px solid rgba(255,255,255,.25); border-bottom: 1px solid rgba(255,255,255,.25); }
.visibility span { color: var(--red); font: 700 1.05rem/1 "Rubik", sans-serif; text-transform: uppercase; }
.visibility p { margin: .25rem 0 0; color: #c8c4c1; font-size: .7rem; line-height: 1.45; }
.cta { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; padding: .85rem 1rem; color: #0a0a0a; background: var(--red); font: 700 .75rem/1 "Inter", sans-serif; text-decoration: none; text-transform: uppercase; letter-spacing: .08em; }
.cta span { font-size: 1.1rem; }

.slide--logo { flex-direction: column; align-items: center; justify-content: center; padding: var(--pad); background: #000; }
.logo-finale { width: min(80vw, 58rem); height: auto; mix-blend-mode: screen; }
.tagline { margin: 1rem 0 0; color: #aaa; font: 600 .62rem/1 "Inter", sans-serif; letter-spacing: .18em; text-align: center; text-transform: uppercase; }
.restart { margin-top: 3rem; padding: .8rem 1rem; border: 1px solid #555; color: #ddd; background: transparent; font-size: .65rem; letter-spacing: .09em; text-transform: uppercase; cursor: pointer; }
.restart span { margin-left: .5rem; color: var(--red); }

@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(.35rem); } }

@media (min-width: 760px) {
  .progress { right: 1.5rem; }
  .display { font-size: clamp(4rem, 7vw, 7.5rem); }
  .slide--hero .display { font-size: clamp(4.5rem, 8vw, 8rem); }
  .slide--features .display,
  .slide--benefits .display,
  .slide--commitment .display,
  .slide--closing .display { font-size: clamp(4rem, 7vw, 7rem); }
  .slide__content { max-width: 68rem; padding-right: 5rem; }
  .slide__content--bottom { padding-bottom: 7vh; }
  .slide--hero .slide__shade { background: linear-gradient(90deg, #111 0%, rgba(17,17,17,.98) 37%, rgba(17,17,17,.3) 70%), linear-gradient(0deg, rgba(0,0,0,.3), transparent); }
  .slide--hero .slide__content { align-self: center; padding-bottom: 4rem; }
  .slide--hero .lead { max-width: 36rem; }
  .slide--about .slide__image { top: 0; bottom: auto; height: 100%; object-position: 56% center; }
  .slide--about .slide__shade { background: linear-gradient(90deg, #111 0%, rgba(17,17,17,.96) 52%, rgba(17,17,17,.1) 85%); }
  .slide--about .slide__content { align-self: center; max-width: 52rem; }
  .card-strip { width: 100%; padding-right: 0; }
  .feature-card { flex-basis: 19rem; }
  .benefit-list { max-width: 48rem; }
  .slide--commitment .slide__shade { background: linear-gradient(90deg, rgba(5,5,5,.1), rgba(8,8,8,.88) 45%, #101010 100%); }
  .slide--commitment .slide__image { top: 0; bottom: auto; height: 100%; object-position: center 50%; }
  .slide--commitment .slide__content { align-self: center; width: 58%; margin-left: auto; }
  .slide--pillar .slide__content { padding-top: 4rem; }
  .pillar { max-width: 42rem; padding: 1.25rem; }
  .slide--closing .slide__shade { background: linear-gradient(90deg, rgba(4,4,4,.08), rgba(8,8,8,.9) 56%, #0a0a0a 100%); }
  .slide--closing .slide__content { width: 58%; margin-left: auto; align-self: center; padding-bottom: 4rem; }
}

@media (max-height: 700px) and (max-width: 759px) {
  .slide__content { padding-top: 3.8rem; padding-bottom: 3.2rem; }
  .display { font-size: 2.55rem; }
  .slide--hero .display { font-size: 2.85rem; }
  .slide--features .display,
  .slide--benefits .display,
  .slide--commitment .display,
  .slide--closing .display { font-size: 2.4rem; }
  .lead { margin-top: .8rem; font-size: .76rem; }
  .body-copy { margin-top: .85rem; font-size: .69rem; }
  .body-copy p { margin-bottom: .45rem; }
  .feature-card { min-height: 9.3rem; }
  .benefit-list { margin-top: .85rem; }
  .benefit { padding: .55rem 0; }
  .section-label { margin-top: .7rem; }
  .pillar { padding: .8rem; }
  .pillar p { font-size: .64rem; line-height: 1.4; }
  .visibility { margin-top: .65rem; padding: .55rem 0; }
  .cta { margin-top: .65rem; padding: .7rem .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}