/* The SF Project — note d'intention, transmission analogique et papier éditorial. */
body.project-sf {
  --sf-red: #7b2418;
  --sf-red-deep: #260805;
  --sf-orange: #c55b2e;
  --sf-paper: #f2eee4;
  --sf-paper-light: #faf7ef;
  --sf-ink: #15130f;
  --sf-muted: #625d54;
  --sf-line: rgba(21, 19, 15, .18);
  --sf-gutter: clamp(22px, 5vw, 76px);
  --sf-max: 1440px;
  --sf-ease-enter: cubic-bezier(.16, 1, .3, 1);
  margin: 0;
  color: var(--sf-ink);
  background: var(--sf-paper);
}

body.project-sf .sf-page {
  overflow: clip;
  background: var(--sf-paper);
}

body.project-sf .sf-shell {
  width: min(calc(100% - (2 * var(--sf-gutter))), var(--sf-max));
  margin-inline: auto;
}

/* Hero : l'image est montrée entièrement, sans recadrage agressif. */
body.project-sf .sf-broadcast-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(560px, calc(100svh - 98px), 690px);
  overflow: hidden;
  color: var(--sf-paper-light);
  background: #180503;
}

body.project-sf .sf-broadcast-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(14, 4, 2, .64) 0%, rgba(18, 5, 3, .37) 43%, rgba(18, 5, 3, .08) 78%, rgba(18, 5, 3, .18) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, .05), rgba(0, 0, 0, .22));
}

body.project-sf .sf-broadcast-hero__image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.9) contrast(1.04) brightness(.94);
}

body.project-sf .sf-broadcast-hero__grain {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: .09;
  background:
    repeating-linear-gradient(0deg, transparent 0 4px, rgba(255, 255, 255, .025) 4px 5px),
    url("../images/paper-texture-generated.jpg") repeat;
  background-size: auto, 480px auto;
  mix-blend-mode: soft-light;
}

body.project-sf .sf-broadcast-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: inherit;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(28px, 4vh, 44px) clamp(42px, 6vh, 70px);
}

body.project-sf .sf-back-link,
body.project-sf .sf-eyebrow {
  font-family: var(--font-clean);
  font-size: clamp(9px, .7vw, 11px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .2em;
  text-transform: uppercase;
}

body.project-sf .sf-back-link {
  position: absolute;
  z-index: 3;
  top: calc(var(--header-height-desktop, 98px) + clamp(24px, 3vh, 34px));
  left: 0;
  width: fit-content;
  color: var(--sf-paper-light);
  text-shadow: 0 1px 10px rgba(0, 0, 0, .55);
  text-decoration: none;
  transition: color 180ms linear;
}

body.project-sf .sf-back-link::before {
  content: "←";
  margin-right: 13px;
  color: #eda26b;
}

body.project-sf .sf-back-link:is(:hover, :focus-visible) {
  color: #eda26b;
}

body.project-sf .sf-broadcast-hero__title {
  align-self: flex-start;
  width: min(68%, 900px);
  padding-top: clamp(28px, 5vh, 62px);
  text-align: center;
  transform: translateY(clamp(62px, 8vh, 92px));
}

body.project-sf .sf-eyebrow {
  margin: 0 0 clamp(18px, 2vw, 28px);
  color: rgba(250, 247, 239, .88);
}

body.project-sf .sf-broadcast-hero h1 {
  margin: 0;
  color: var(--sf-paper-light);
  font-family: "Climate Crisis", var(--font-title);
  font-size: clamp(68px, 8.8vw, 142px);
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "YEAR" 1988;
  line-height: .77;
  letter-spacing: -.055em;
  text-transform: uppercase;
}

body.project-sf .sf-broadcast-hero h1 span {
  display: block;
  width: fit-content;
  white-space: nowrap;
  transform-origin: left bottom;
  margin-inline: 0;
}

body.project-sf .sf-broadcast-hero h1 span:last-child {
  margin-inline: 0;
}

body.project-sf .sf-broadcast-hero__welcome {
  display: flex;
  width: 100%;
  max-width: none;
  flex-direction: row;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin: clamp(24px, 2.6vw, 36px) 0 0;
  color: #fff;
  font-family: var(--font-clean);
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 650;
  line-height: 1.35;
  text-align: left;
}

body.project-sf .sf-broadcast-hero__welcome span:last-child {
  color: rgba(250, 247, 239, .72);
  font-size: .46em;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* Question d'ouverture : horizontale et contenue. */
body.project-sf .sf-opening {
  background:
    linear-gradient(rgba(242, 238, 228, .97), rgba(242, 238, 228, .97)),
    url("../images/paper-texture-generated.jpg") repeat;
  background-size: auto, 620px auto;
}

body.project-sf .sf-opening__quote {
  max-width: 42ch;
  margin-block: 0;
  padding-block: clamp(62px, 7vw, 104px);
  color: var(--sf-ink);
  font-family: "Climate Crisis", var(--font-title);
  font-size: clamp(26px, 3vw, 44px);
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "YEAR" 1988;
  line-height: 1.1;
  letter-spacing: -.03em;
  text-align: center;
  text-wrap: balance;
}

body.project-sf .sf-production-strip {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding-inline: var(--sf-gutter);
  color: var(--sf-paper-light);
  background: var(--sf-ink);
}

body.project-sf .sf-production-strip > div {
  padding: clamp(20px, 2.2vw, 30px) clamp(16px, 2vw, 30px);
  border-left: 1px solid rgba(250, 247, 239, .15);
}

body.project-sf .sf-production-strip dt {
  margin-bottom: 7px;
  color: rgba(250, 247, 239, .56);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

body.project-sf .sf-production-strip dd {
  margin: 0;
  color: var(--sf-paper-light);
  font-size: clamp(14px, 1vw, 17px);
  line-height: 1.35;
}

/* La note se lit comme une double page de revue, pas comme un sommaire. */
body.project-sf .sf-note {
  padding: clamp(88px, 10vw, 150px) 0 clamp(46px, 5vw, 76px);
  background: var(--sf-paper-light);
}

body.project-sf .sf-note__title {
  margin: 0 0 clamp(64px, 8vw, 118px);
  padding-bottom: clamp(24px, 3vw, 42px);
  border-bottom: 1px solid var(--sf-line);
  color: var(--sf-ink);
  font-family: "Climate Crisis", var(--font-title);
  font-size: clamp(42px, 5.2vw, 78px);
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "YEAR" 1988;
  line-height: .9;
  letter-spacing: -.045em;
}

body.project-sf .sf-note__columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(62px, 8vw, 132px);
  align-items: start;
}

body.project-sf .sf-note__column {
  min-width: 0;
}

body.project-sf .sf-note__column--offset {
  padding-top: 0;
}

body.project-sf .sf-chapter {
  padding: 0 0 clamp(72px, 8vw, 112px);
}

body.project-sf .sf-chapter + .sf-chapter {
  padding-top: clamp(54px, 6vw, 86px);
  border-top: 1px solid var(--sf-line);
}

body.project-sf .sf-chapter h3 {
  max-width: 15ch;
  margin: 0 0 clamp(26px, 3vw, 42px);
  color: var(--sf-ink);
  font-family: "Climate Crisis", var(--font-title);
  font-size: clamp(31px, 3.2vw, 52px);
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "YEAR" 1988;
  line-height: 1.02;
  letter-spacing: -.035em;
  text-wrap: balance;
}

body.project-sf .sf-chapter p {
  max-width: 61ch;
  margin: 0 0 1.35em;
  color: #2b2822;
  font-family: var(--font-clean);
  font-size: clamp(17px, 1.15vw, 19px);
  line-height: 1.72;
  text-wrap: pretty;
}

body.project-sf .sf-note__image {
  position: relative;
  box-sizing: border-box;
  width: min(82%, 430px);
  aspect-ratio: 4 / 7;
  margin: 0 0 clamp(82px, 9vw, 126px) clamp(38px, 6vw, 88px);
  padding: clamp(8px, .8vw, 12px);
  overflow: hidden;
  background: #fff;
  box-shadow: 18px 22px 0 rgba(83, 21, 14, .13);
  transform: rotate(-1.2deg);
}

body.project-sf .sf-note__image img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: 50% 43%;
  filter: saturate(.86) contrast(1.04);
}

body.project-sf .sf-final-question {
  margin: 0;
  padding: clamp(82px, 10vw, 152px) var(--sf-gutter);
  color: var(--sf-paper-light);
  background: var(--sf-ink);
  font-family: "Climate Crisis", var(--font-title);
  font-size: clamp(34px, 5.5vw, 84px);
  font-style: normal;
  font-weight: 400;
  font-variation-settings: "YEAR" 1988;
  line-height: 1.05;
  letter-spacing: -.035em;
  text-align: center;
  text-wrap: balance;
}

body.project-sf .site-footer {
  border-top: 1px solid rgba(250, 247, 239, .16) !important;
  color: rgba(250, 247, 239, .72) !important;
  background: var(--sf-ink) !important;
}

body.project-sf .site-footer a {
  color: inherit !important;
}

@media (hover: hover) and (pointer: fine) {
  body.project-sf .sf-note__image {
    transition: transform 700ms var(--sf-ease-enter), box-shadow 700ms var(--sf-ease-enter);
  }

  body.project-sf .sf-note__image:hover {
    box-shadow: 24px 30px 0 rgba(83, 21, 14, .17);
    transform: rotate(-.3deg) translateY(-4px);
  }
}

@media (max-width: 820px) {
  body.project-sf .site-header .site-nav:not(.open) {
    display: none !important;
  }

  body.project-sf .site-header .site-nav.open {
    display: flex !important;
  }

  body.project-sf .sf-broadcast-hero {
    min-height: max(590px, calc(100svh - 72px));
  }

  body.project-sf .sf-back-link {
    top: calc(var(--header-height-mobile, 72px) + 22px);
  }

  body.project-sf .sf-broadcast-hero__image {
    object-position: center;
  }

  body.project-sf .sf-broadcast-hero::before {
    background:
      linear-gradient(90deg, rgba(14, 4, 2, .56), rgba(18, 5, 3, .18)),
      linear-gradient(180deg, rgba(0, 0, 0, .04), rgba(0, 0, 0, .24));
  }

  body.project-sf .sf-broadcast-hero h1 {
    font-size: clamp(58px, 17.5vw, 102px);
  }

  body.project-sf .sf-broadcast-hero__title {
    width: min(82%, 620px);
    transform: translateY(clamp(42px, 6vh, 66px));
  }

  body.project-sf .sf-note__columns {
    grid-template-columns: 1fr;
    gap: 0;
  }

  body.project-sf .sf-note__column--offset {
    padding-top: 0;
  }

  body.project-sf .sf-production-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-inline: 0;
  }

  body.project-sf .sf-production-strip > div:nth-child(odd) {
    border-left: 0;
  }

  body.project-sf .sf-production-strip > div:nth-child(n + 3) {
    border-top: 1px solid rgba(250, 247, 239, .15);
  }
}

@media (max-width: 460px) {
  body.project-sf .sf-broadcast-hero {
    min-height: 610px;
  }

  body.project-sf .sf-broadcast-hero__inner {
    padding-block: 24px 42px;
  }

  body.project-sf .sf-broadcast-hero__title {
    padding-top: 22px;
  }

  body.project-sf .sf-broadcast-hero h1 {
    font-size: clamp(52px, 14vw, 60px);
  }

  body.project-sf .sf-broadcast-hero h1 span:last-child {
    margin-left: 0;
  }

  body.project-sf .sf-broadcast-hero__title {
    width: 100%;
    text-align: left;
    transform: translateY(34px);
  }

  body.project-sf .sf-broadcast-hero h1 span {
    margin-inline: 0;
  }

  body.project-sf .sf-broadcast-hero__welcome {
    margin-left: 0;
    align-items: baseline;
    text-align: left;
  }

  body.project-sf .sf-opening__quote {
    padding-block: 54px;
    font-size: clamp(27px, 8.4vw, 38px);
    text-align: left;
  }

  body.project-sf .sf-production-strip > div {
    padding: 18px 16px;
  }

  body.project-sf .sf-note__title {
    font-size: 38px;
  }

  body.project-sf .sf-chapter h3 {
    font-size: clamp(30px, 9.2vw, 42px);
  }

  body.project-sf .sf-chapter p {
    font-size: 17px;
    line-height: 1.68;
  }

  body.project-sf .sf-note__image {
    width: min(92%, 360px);
    margin-inline: auto;
  }

  body.project-sf .sf-final-question {
    font-size: clamp(31px, 9.5vw, 44px);
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.project-sf .sf-note__image {
    transition: none;
  }
}