/* Stills Into Film — brand tokens (design-brief.md) */
:root {
  --fog: #e6e8e5;
  --smoke: #c9cdcb;
  --slate: #1e2427;
  --stone: #5e6669;
  --ultra: #3346c8;
  --paper: #eef0ed;
  --sans: "Outfit", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --pad: clamp(1.25rem, 5vw, 4.5rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fog);
  color: var(--slate);
  font-family: var(--sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }

.wrap {
  width: min(100%, 78rem);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--pad);
  background: color-mix(in srgb, var(--fog) 86%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--smoke) 70%, transparent);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--slate);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.nav__mark { width: 22px; height: 22px; }
.nav__cta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 2px solid var(--ultra);
  padding-bottom: 2px;
}
.nav__cta:hover { color: var(--ultra); }

/* ---------- the film ---------- */
.scene { height: 190vh; position: relative; }
.scene__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: grid;
  align-items: center;
}
.scene__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.scene__sticky.is-live .scene__video { opacity: 1; }
.scene__copy {
  position: relative;
  z-index: 2;
  width: min(100%, 78rem);
  margin: 0 auto;
  padding: 0 var(--pad);
  max-width: none;
}
.scene__copy--right { text-align: right; }
.scene__copy--right .scene__body,
.scene__copy--right .caption { margin-left: auto; }
.scene__title {
  margin: 0 0 1rem;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.scene__body {
  margin: 0;
  max-width: 34ch;
  color: var(--stone);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.6;
}
.scene__actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.6rem;
}
.caption {
  margin: 1.1rem 0 0;
  max-width: 44ch;
  padding: 0.55rem 0.8rem;
  background: color-mix(in srgb, var(--fog) 88%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.55;
  color: var(--slate);
}

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-block;
  padding: 1rem 1.7rem;
  background: var(--ultra);
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.86rem;
  text-decoration: none;
  transition: transform 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.link {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--smoke);
  padding-bottom: 3px;
}
.link:hover { border-color: var(--ultra); color: var(--ultra); }

/* ---------- shared type ---------- */
.h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.lede {
  margin: 0;
  max-width: 52ch;
  color: var(--stone);
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.65;
}
.eyebrow {
  margin: 0 0 0.8rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}
.kicker {
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- why ---------- */
.why {
  position: relative;
  z-index: 3;
  padding: clamp(5rem, 11vw, 9rem) 0;
  background: var(--fog);
  border-top: 1px solid var(--smoke);
}
.why__grid {
  list-style: none;
  margin: clamp(3rem, 6vw, 4.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(2rem, 4vw, 3.25rem);
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}
.why__item { padding-top: 1.1rem; border-top: 2px solid var(--ultra); }
.why__title {
  margin: 0 0 0.7rem;
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.why__text { margin: 0; max-width: 38ch; color: var(--stone); font-size: 0.97rem; line-height: 1.65; }

/* ---------- how ---------- */
.how {
  position: relative;
  z-index: 3;
  padding: clamp(5rem, 11vw, 9rem) 0;
  background: var(--paper);
}
.rail {
  list-style: none;
  margin: clamp(3rem, 6vw, 4.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.rail__node {
  display: grid;
  place-items: center;
  width: 4.4rem;
  height: 4.4rem;
  border: 1px solid var(--smoke);
  border-radius: 50%;
  margin-bottom: 1.3rem;
}
.icon { width: 40px; height: 40px; mix-blend-mode: multiply; }
.rail__n {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ultra);
  margin-bottom: 0.5rem;
}
.rail__title { margin: 0 0 0.6rem; font-size: 1.15rem; font-weight: 500; }
.rail__text { margin: 0; max-width: 32ch; color: var(--stone); font-family: var(--mono); font-size: 0.84rem; line-height: 1.7; }

/* ---------- formats ---------- */
.formats { position: relative; z-index: 3; padding: clamp(5rem, 11vw, 9rem) 0; background: var(--fog); }
.formats__grid {
  display: grid;
  gap: clamp(1.2rem, 2.5vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  align-items: start;
}
.formats__copy { grid-column: 1 / -1; margin-bottom: 1.5rem; }
.frame { margin: 0; }
.frame img { width: 100%; height: auto; object-fit: cover; }
.frame figcaption {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--stone);
}

/* ---------- made ---------- */
.made { position: relative; z-index: 3; padding: clamp(4rem, 9vw, 7rem) 0; background: var(--paper); }
.made__list {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
}
.made__list li {
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--smoke);
  font-size: 1rem;
  color: var(--slate);
}

/* ---------- rates ---------- */
.rates { position: relative; z-index: 3; padding: clamp(5rem, 11vw, 9rem) 0; background: var(--fog); overflow: hidden; }
.rates__pound {
  position: absolute;
  right: -2vw;
  top: 40%;
  font-size: 34vw;
  line-height: 0.7;
  font-weight: 300;
  color: var(--smoke);
  opacity: 0.45;
  pointer-events: none;
}
.rates__grid {
  position: relative;
  list-style: none;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}
.rates__item { padding-top: 1rem; border-top: 1px solid var(--smoke); }
.rates__item--hi { border-top-color: var(--ultra); border-top-width: 2px; }
.rates__amount {
  display: block;
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 300;
  letter-spacing: -0.03em;
}
.rates__amount::before { content: "£"; font-size: 0.5em; vertical-align: super; margin-right: 0.15em; color: var(--stone); }
.rates__label { display: block; margin-top: 0.4rem; font-weight: 500; }
.rates__note { display: block; margin-top: 0.2rem; font-family: var(--mono); font-size: 0.78rem; color: var(--stone); }

/* ---------- close ---------- */
.close { position: relative; z-index: 3; padding: clamp(5rem, 11vw, 9rem) 0; background: var(--slate); color: var(--fog); }
.close .h2 { color: var(--fog); }
.close .lede { color: color-mix(in srgb, var(--fog) 72%, var(--stone)); }
.closeblock {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 1.1rem 2rem;
  border: 1px solid var(--fog);
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease;
}
.closeblock:hover { background: var(--fog); color: var(--slate); }

/* ---------- footer ---------- */
.foot { padding: 2.5rem 0; background: var(--slate); color: color-mix(in srgb, var(--fog) 65%, var(--stone)); }
.foot__row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.foot a { color: inherit; }

@media (max-width: 40rem) {
  .scene { height: 150vh; }
  .scene__copy--right { text-align: left; }
  .scene__copy--right .scene__body { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scene__video { transition: none; }
  .btn:hover { transform: none; }
}

/* legibility: a soft scrim so copy holds against the film */
.scene__sticky::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg,
    rgba(230, 232, 229, 0.94) 0%,
    rgba(230, 232, 229, 0.82) 32%,
    rgba(230, 232, 229, 0.35) 58%,
    rgba(230, 232, 229, 0) 80%);
  pointer-events: none;
}
#inside .scene__sticky::before {
  background: linear-gradient(260deg,
    rgba(230, 232, 229, 0.94) 0%,
    rgba(230, 232, 229, 0.82) 32%,
    rgba(230, 232, 229, 0.35) 58%,
    rgba(230, 232, 229, 0) 80%);
}
.scene__body { color: #3b4245; }
@media (max-width: 52rem) {
  .scene__sticky::before,
  #inside .scene__sticky::before {
    background: linear-gradient(180deg,
      rgba(230, 232, 229, 0.92) 0%,
      rgba(230, 232, 229, 0.86) 45%,
      rgba(230, 232, 229, 0.35) 78%,
      rgba(230, 232, 229, 0.1) 100%);
  }
}