:root {
  --black: #0b0b0b;
  --ivory: #e8e4dc;
  --green: #005b4f;
  --gold: #b68a45;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--black);
  color: var(--ivory);
  overflow: hidden;
  font-family: "DM Mono", monospace;
}

::selection {
  background: var(--gold);
  color: var(--black);
}

.site {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 46%, rgba(0,91,79,.055), transparent 34%),
    var(--black);
}

.grain {
  position: fixed;
  inset: -50%;
  z-index: 20;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
  animation: grain .28s steps(2) infinite;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  background: radial-gradient(circle, transparent 43%, rgba(0,0,0,.45) 100%);
}

@keyframes grain {
  0% { transform: translate(0,0); }
  25% { transform: translate(1.2%,-.8%); }
  50% { transform: translate(-.8%,1.2%); }
  75% { transform: translate(.8%,.8%); }
  100% { transform: translate(-1.2%,-.8%); }
}

.topbar,
.footer {
  position: absolute;
  z-index: 30;
  left: clamp(22px,3vw,48px);
  right: clamp(22px,3vw,48px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: rgba(232,228,220,.38);
}

.topbar { top: clamp(22px,3vw,42px); }
.footer {
  bottom: clamp(20px,2.7vw,34px);
  color: rgba(232,228,220,.22);
}

.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  position: relative;
  padding: 80px 24px 130px;
}

.logo-stage {
  position: relative;
  display: inline-block;
  perspective: 1000px;
}

.ridotto-logo {
  display: flex;
  align-items: baseline;
  color: var(--ivory);
  font-family: "Bodoni Moda", serif;
  font-size: clamp(58px,10.5vw,174px);
  font-weight: 500;
  line-height: .78;
  letter-spacing: -.075em;
  text-transform: uppercase;
  cursor: default;
  user-select: none;
  transform: translateZ(0);
  transition: color .7s ease, filter .8s ease;
}

.ridotto-logo:hover {
  color: #f2eee5;
  filter: drop-shadow(0 0 30px rgba(182,138,69,.09));
}

.letter {
  display: inline-block;
  position: relative;
  will-change: transform;
  transform: translate3d(0,0,0) rotate(0deg);
}

.swap-o,
.swap-t {
  z-index: 2;
}

.logo-stage::after {
  content: "";
  position: absolute;
  left: 3%;
  right: 3%;
  bottom: -.28em;
  height: 1px;
  opacity: .72;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 1s cubic-bezier(.16,1,.3,1);
}

.logo-stage:hover::after {
  transform: scaleX(1);
}

.tagline {
  position: absolute;
  left: 50%;
  bottom: 21%;
  transform: translateX(-50%);
  margin: 0;
  white-space: nowrap;
  font-size: clamp(8px,.65vw,10px);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(232,228,220,.3);
  transition:
    color .8s ease,
    transform 1s cubic-bezier(.16,1,.3,1);
}

.hero:has(.logo-stage:hover) .tagline {
  color: rgba(182,138,69,.78);
  transform: translateX(-50%) translateY(-5px);
}

.hint {
  position: absolute;
  bottom: 27%;
  margin: 0;
  opacity: 0;
  font-size: 8px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(182,138,69,.78);
  transform: translateY(8px);
  transition: opacity .6s ease, transform .9s cubic-bezier(.16,1,.3,1);
}

.hero:has(.logo-stage:hover) .hint {
  opacity: 1;
  transform: translateY(0);
}

.socials {
  position: absolute;
  z-index: 30;
  left: 50%;
  bottom: clamp(50px,6.5vw,82px);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: clamp(20px,3.2vw,54px);
  white-space: nowrap;
}

.socials a {
  position: relative;
  color: rgba(232,228,220,.52);
  text-decoration: none;
  font-size: clamp(9px,.72vw,11px);
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color .35s ease, transform .55s cubic-bezier(.16,1,.3,1);
}

.socials a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s cubic-bezier(.16,1,.3,1);
}

.socials a:hover {
  color: var(--ivory);
  transform: translateY(-3px);
}

.socials a:hover::after { transform: scaleX(1); }

@media (max-width: 650px) {
  body { overflow: auto; }

  .hero {
    min-height: 100svh;
    padding-bottom: 150px;
  }

  .ridotto-logo {
    font-size: clamp(43px,15vw,90px);
  }

  .socials {
    width: min(90vw,370px);
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 25px;
    bottom: 62px;
  }

  .tagline {
    width: 90vw;
    text-align: center;
    white-space: normal;
    line-height: 1.8;
    bottom: 23%;
    letter-spacing: .17em;
  }

  .hint,
  .footer { display: none; }
}

@media (max-width: 650px) {

  html,
  body {
    width: 100%;
    min-height: 100%;
  }

  body {
    overflow: hidden;
  }

  .site {
    width: 100%;
    min-height: 100svh;
    height: 100svh;
  }

  /* -------------------------
     TOP BAR
  ------------------------- */

  .topbar {
    top: 24px;
    left: 20px;
    right: 20px;

    font-size: 8px;
    letter-spacing: .14em;
  }

  .topbar span:last-child {
    text-align: right;
  }


  /* -------------------------
     HERO
  ------------------------- */

  .hero {
    width: 100%;
    height: 100svh;
    min-height: 100svh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;
  }


  /* -------------------------
     LOGO
  ------------------------- */

  .logo-stage {
    width: max-content;
    max-width: 94vw;

    display: block;

    /* Gives the cinematic movement enough room */
    padding: 18px 4vw;
  }

  .ridotto-logo {
    width: max-content;

    font-size: clamp(44px, 14.8vw, 82px);
    line-height: .8;

    letter-spacing: -.075em;

    transform: translateZ(0);
  }

  /*
    Prevent the swap animation from being clipped
    by the viewport.
  */
  .logo-stage {
    overflow: visible;
  }


  /* -------------------------
     LOGO UNDERLINE
  ------------------------- */

  .logo-stage::after {
    left: 5%;
    right: 5%;
    bottom: -.34em;
  }


  /* -------------------------
     TAGLINE
  ------------------------- */

  .tagline {
    position: absolute;

    left: 50%;
    bottom: 24%;

    width: calc(100vw - 48px);
    max-width: 390px;

    margin: 0;

    text-align: center;
    white-space: normal;

    font-size: 8px;
    line-height: 1.9;

    letter-spacing: .16em;

    transform: translateX(-50%);

    color: rgba(232,228,220,.34);
  }

  .hero:has(.logo-stage:hover) .tagline {
    transform: translateX(-50%) translateY(-4px);
  }


  /* -------------------------
     HINT
  ------------------------- */

  .hint {
    display: none;
  }


  /* -------------------------
     SOCIALS
  ------------------------- */

  .socials {
    position: absolute;

    left: 50%;
    bottom: 32px;

    width: calc(100vw - 40px);
    max-width: 390px;

    transform: translateX(-50%);

    display: flex;
    justify-content: center;
    align-items: center;

    gap: 13px 22px;

    flex-wrap: wrap;
  }

  .socials a {
    font-size: 8px;
    letter-spacing: .11em;
  }

  .socials a::after {
    bottom: -5px;
  }


  /* -------------------------
     FOOTER
  ------------------------- */

  .footer {
    display: none;
  }


  /* -------------------------
     MOBILE GRAIN
  ------------------------- */

  .grain {
    opacity: .035;
  }

  .vignette {
    background:
      radial-gradient(
        circle,
        transparent 35%,
        rgba(0,0,0,.5) 100%
      );
  }
}