@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@300;500&display=swap');

@font-face {
  font-family: "Geist Sans";
  src: url("https://assets.codepen.io/605876/GeistVF.ttf") format("truetype");
}

*,
*:after,
*:before {
	box-sizing: border-box;
}

html {
	-ms-scroll-snap-type: y mandatory;
	    scroll-snap-type: y mandatory;
}

body {
	min-height: 100vh;
	font-family:  "Geist Sans", "SF Pro Text", "SF Pro Icons", "AOS Icons", "Helvetica Neue", Helvetica, Arial, sans-serif, system-ui;
	font-weight: 80;
	background: black;
	color: hsl(0 0% 90%);
	overflow-x: hidden;
}

p {
	max-width: 40ch;
}

section:nth-of-type(1) {
	scroll-snap-align: center;
	height: 100vh;
}

section:nth-of-type(2) {
	scroll-snap-align: start;
}

article {
	min-height: 100vh;
}
:is(h1, h2) {
	font-weight: 70;
	font-size: clamp(3.25rem, 2.8vw + 1rem, 8rem);
	letter-spacing: -0.075ch;
	margin: 0;
}

h1 {
	color: hsl(0 0% 90%);
}

:is(section, article) {
	position: relative;
}

.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 0.75rem 1.25rem;
  z-index: 999;
  background: hsla(0 0% 0% / 0.25);
  backdrop-filter: blur(18px); 
  border-bottom: 1px solid hsla(0 0% 100% / 0.08);
}

.nav-inner {
  margin: 0 auto;
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-brand {
  /* width: 48px; */
  /* aspect-ratio: 1; */
  display: grid;
  /* place-items: center; */
  /* color: hsl(0 0% 96%); */
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: inherit;
}

.nav-toggle-icon {
  width: 25px;
  height: 25px;
}

.nav-logo {
  max-width: 250px;
}

.glowing-image {
	filter: drop-shadow(0 0 8px rgba(0, 255, 255, 0.8));
	display: block; /* Ensures the image takes up the full width */
  margin: 0 auto; /* Centers the image horizontally */
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: flex-end;
  margin-left: auto;
}

.nav-link {
  color: hsl(0 0% 90%);
  text-decoration: none;
  font-family: 'Oswald', 'Geist Sans', "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  letter-spacing: 0.12ch;
  font-size: 0.95rem;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav-link:is(:hover, :focus-visible) {
  color: #25ade3;
}

.nav-link.active {
  color: #25ade3;
  font-weight: 500;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .nav-inner {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    position: relative;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .nav-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1.25rem;
    flex-direction: column;
    flex-basis: auto;
    gap: 0;
    padding: 0.75rem 0;
    background: hsla(0 0% 6% / 0.95);
    border: 1px solid hsla(0 0% 100% / 0.08);
    border-radius: 14px;
    box-shadow: 0 20px 35px hsla(0 0% 0% / 0.35);
    min-width: min(260px, calc(100vw - 2.75rem));
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-menu li {
    padding: 0;
  }
  .nav-menu li a {
    display: block;
    padding: 0.75rem 1.25rem;
  }
  .site-nav[data-menu-open="false"] .nav-menu {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
  }
}

.content {
	margin: 0 auto;
	width: 900px;
	max-width: 100%;
	height: 100%;
	z-index: 2;
	position: absolute;
	inset: 0;
  padding: 1rem;
}

.fixed img {
	height: 100%;
	width: 150%;
	-o-object-fit: cover;
	   object-fit: cover;
	z-index: -1;
	position: absolute;
	inset: 0;
	left: 50%;
	translate: -50% 0;
	filter: brightness(0.5);
}

/* Make video behave the same as the fixed images without touching other .fixed rules */
.fixed video {
  height: 100%;
  width: 150%;
  -o-object-fit: cover;
 	   object-fit: cover;
  z-index: -1;
  position: absolute;
  inset: 0;
  left: 50%;
  translate: -50% 0;
  filter: brightness(0.75);
}

section:first-of-type img {
	left: 50%;
	translate: -50% 0;
}

section:first-of-type {
	padding: 2rem 1rem;
	display: grid;
	align-content: end;
	justify-content: start;
}

section:first-of-type .fixed {
	z-index: 5;
}

section:first-of-type .fixed .content {
	margin: 0 auto;
	width: 900px;
	max-width: 100%;
	display: grid;
	align-content: center;
	justify-content: start;
	padding: 6rem 2rem;
	height: 100%;
}

section:first-of-type {
	background: black;
}

section:first-of-type p {
	font-size: clamp(1rem, 0.2vw + 1rem, 2rem);
}

section:nth-of-type(2) article:first-of-type .fixed {
  z-index: 2;
}

section:nth-of-type(2) .content {
	display: grid;
	padding: 4rem 1rem;
	align-content: center;
}

section:nth-of-type(2) article:first-of-type .content {
	align-content: end;
}

section:nth-of-type(2) article:first-of-type .fixed::after {
	content: "";
	position: absolute;
	inset: 0;
	background: hsl(0 0% 0% / 0.25);
}

section:nth-of-type(2) article:first-of-type h2 {
	padding: 1rem 0;
}

section:nth-of-type(2) article:nth-of-type(3) .content,
section:nth-of-type(2) article#share .content {
  align-content: start;
}

section:nth-of-type(2) article:nth-of-type(3) .fixed,
section:nth-of-type(2) article#share .fixed {
  z-index: 2;
}

section:nth-of-type(2) article:nth-of-type(3) .fixed :is(img, video),
section:nth-of-type(2) article#share .fixed :is(img, video) {
  filter: saturate(0.5) brightness(0.5);
}

.text-blocks {
	max-width: 100%;
	width: 40ch;
	justify-self: end;
	display: grid;
	place-items: center;
	gap: 2rem 0;
}

/* Text block styling */
.chat-container {
	height: 100vh;
	width: 100%;
	position: sticky;
	top: 0;
	display: grid;
	place-items: center;
}
.text-blocks p {
	display: inline-block;
	border-radius: 6px;
	margin: 0;
	font-size: clamp(1.5rem, 0.5vw + 1rem, 4rem);
	font-weight: 120;
}
.text-blocks p:nth-of-type(even) {
	justify-self: end;
	text-align: right;
	color: hsl(173 100% 51%);
}
.text-blocks p:nth-of-type(odd) {
	justify-self: start;
}

.filler {
	display: none;
}

.hero-bg-stack {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -2; /* keep content above the slideshow */
  background: #000;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroFade 18s infinite both;
  animation-timing-function: linear;
  filter: brightness(0.5);
}

.hero-bg-1 { background-image: url("../../img/rot/bg01.jpg"); animation-delay: 0s; }
.hero-bg-2 { background-image: url("../../img/rot/bg02.jpg"); animation-delay: 3s; }
.hero-bg-3 { background-image: url("../../img/rot/bg03.jpg"); animation-delay: 6s; }
.hero-bg-4 { background-image: url("../../img/rot/bg01.jpg"); transform: scaleX(-1); transform-origin: center; animation-delay: 9s; }
.hero-bg-5 { background-image: url("../../img/rot/bg02.jpg"); transform: scaleY(-1); transform-origin: center;  animation-delay: 12s; }
.hero-bg-6 { background-image: url("../../img/rot/bg03.jpg"); transform: rotate(180deg); transform-origin: center;  animation-delay: 15s; }

@keyframes heroFade {
  0%   { opacity: 0; }
  10%  { opacity: 1; }
  40%  { opacity: 1; }
  55%  { opacity: 0; }
  100% { opacity: 0; }
}

.fin-section {
  background: black;
}

.fin-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.fin-media {
  flex: 1 0 50vh;
  min-height: 50vh;
  position: relative;
  overflow: hidden;
}

.fin-media img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: center;
    object-position: center;
  display: block;
  filter: brightness(1) !important;
}

.fin-footer-shell {
  background: #252525 url("../../img/textures/otis-redding.png") repeat;
  color: hsl(0 0% 92%);
  padding: clamp(2rem, 4vw, 4rem) 1.5rem 4rem;
}

.fin-footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: flex-start;
}

.fin-footer-headline {
  flex: 1 1 260px;
}

.fin-footer-headline p {
  max-width: 32ch;
  font-size: 1rem;
  color: hsl(0 0% 80%);
}

.fin-footer-grid {
  flex: 2 1 420px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.fin-placeholder {
  min-height: 120px;
  border-radius: 14px;
  border: 1px dashed hsla(0 0% 100% / 0.25);
  color: hsla(0 0% 100% / 0.65);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: grid;
  place-items: center;
  text-align: center;
}

.nowrap {
    white-space: nowrap;
  }

@supports (animation-timeline: scroll()) {
  @media(prefers-reduced-motion: no-preference) {
    article {
      view-timeline: --article;
    }

    .fixed {
      position: fixed;
      inset: 0;
    }
    .static {
      position: absolute;
      inset: 0;
      z-index: 6;
    }
    .filler {
      display: block;
      width: 100%;
      position: absolute;
      bottom: 30vh;
      padding: 1rem;
    }

    .text-blocks p {
      -webkit-animation: slide-in, fade-in;
              animation: slide-in, fade-in;
      -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
      -webkit-animation-timing-function: linear;
              animation-timing-function: linear;
      animation-timeline: --article;
    }

    .text-blocks p:nth-of-type(1) { animation-range: entry-crossing 50% entry-crossing 55%; }
    .text-blocks p:nth-of-type(2) { animation-range: entry-crossing 55% entry-crossing 60%; }
    .text-blocks p:nth-of-type(3) { animation-range: entry-crossing 60% entry-crossing 65%; }
    .text-blocks p:nth-of-type(4) { animation-range: entry-crossing 65% entry-crossing 70%; }
    .text-blocks p:nth-of-type(5) { animation-range: entry-crossing 70% entry-crossing 75%; }

    section:nth-of-type(2) article:last-of-type {
      z-index: 5;
    }
    section:nth-of-type(2) article:nth-of-type(3),
    section:nth-of-type(2) article#share {
      height: 400vh;
    }
    section:nth-of-type(2) article:nth-of-type(3) h2,
    section:nth-of-type(2) article#share h2 {
      margin-top: 80vh;
    }
    section:nth-of-type(2) article:last-of-type .fixed {
      -webkit-clip-path: ellipse(220% 200% at 50% 300%);
              clip-path: ellipse(220% 200% at 50% 300%);
      -webkit-animation: unclip both linear;
              animation: unclip both linear;
      animation-timeline: --article;
      animation-range: entry 20% entry 80%;
    }
    .filler h2 {
      -webkit-animation: fade-away, fade-out;
              animation: fade-away, fade-out;
      -webkit-animation-timing-function: linear;
              animation-timing-function: linear;
      -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
      animation-timeline: --article;
      animation-range: exit 40% exit 75%, exit 70% exit 90%;
    }
        .loud-wrap {
      -webkit-clip-path: inset(0 0 0 0);
              clip-path: inset(0 0 0 0);
      -webkit-animation: unmask both linear;
              animation: unmask both linear;
      animation-timeline: --article;
          animation-range: entry 5% entry 60%;
      -webkit-mask: linear-gradient(white 50%, transparent) 0 100% / 100% 200% no-repeat;
              mask: linear-gradient(white 50%, transparent) 0 100% / 100% 200% no-repeat;
    }
    .text-wrap {
      position: sticky;
      bottom: 4rem;
      transform-origin: 50% 0;
      -webkit-animation: fade-away both linear, fade-out both linear;
              animation: fade-away both linear, fade-out both linear;
      animation-timeline: --article;
      animation-range: exit 40% exit 75%, exit 70% exit 100%;
    }
    .text-blocks {
      -webkit-animation: fade-out both linear;
              animation: fade-out both linear;
      animation-timeline: --article;
      animation-range: entry-crossing 75% entry-crossing 100%;
    }
        section:nth-of-type(2) article:nth-of-type(3) .fixed {
          -webkit-animation: fade-in both linear, fade-out both linear;
            animation: fade-in both linear, fade-out both linear;
          animation-timeline: --article, --article;
          animation-range: entry 45% exit-crossing 0%, exit 0% exit 15%;
        }

        section:nth-of-type(2) article#share .fixed {
          -webkit-animation: fade-in both linear;
            animation: fade-in both linear;
          -webkit-animation-fill-mode: both;
            animation-fill-mode: both;
          animation-timeline: --article;
          animation-range: entry 45% entry 60%;
        }

    section:nth-of-type(2) article:nth-of-type(2) .fixed {
      -webkit-animation: fade-in;
              animation: fade-in;
      -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
      -webkit-animation-timing-function: linear;
              animation-timing-function: linear;
      animation-timeline: --article;
      animation-range: entry 60% exit 30%;
    }
        section:nth-of-type(2) article#chat .fixed {
          -webkit-animation: fade-in;
            animation: fade-in;
          -webkit-animation-fill-mode: both;
            animation-fill-mode: both;
          -webkit-animation-timing-function: linear;
            animation-timing-function: linear;
          animation-timeline: --article;
          animation-range: entry 30% entry 65%;
        }
    section:nth-of-type(2) article:nth-of-type(2) h2 {
      -webkit-animation: slide-in, fade-in, fade-away, fade-out;
              animation: slide-in, fade-in, fade-away, fade-out;
      -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
      -webkit-animation-timing-function: linear;
              animation-timing-function: linear;
      animation-timeline: view(), view(), --article, --article;
      animation-range: entry 100% cover 25%, entry 100% cover 35%, exit 20% exit 40%, exit 40% exit 50%;
    }
        section:nth-of-type(2) article#chat .content > h2:first-of-type {
          -webkit-animation: slide-in, fade-in, fade-away, fade-out;
            animation: slide-in, fade-in, fade-away, fade-out;
          -webkit-animation-fill-mode: both;
            animation-fill-mode: both;
          -webkit-animation-timing-function: linear;
            animation-timing-function: linear;
          animation-timeline: view(), view(), --article, --article;
          animation-range: entry 100% cover 25%, entry 100% cover 35%, exit 20% exit 40%, exit 40% exit 50%;
        }
    section:nth-of-type(2) article:first-of-type h2 {
      -webkit-animation: slide-up both linear;
              animation: slide-up both linear;
      animation-timeline: --article;
      animation-range: entry 20% entry 80%;
    }
    section:nth-of-type(2) article:first-of-type img {
      -webkit-animation: scale-down both linear;
              animation: scale-down both linear;
      animation-timeline: --article;
      animation-range: entry;
    }
    section:nth-of-type(2) article:first-of-type .fixed {
      -webkit-clip-path: ellipse(220% 200% at 50% 300%);
              clip-path: ellipse(220% 200% at 50% 300%);
      -webkit-animation: unclip both linear;
              animation: unclip both linear;
      animation-timeline: --article;
      animation-range: entry 0 entry 100%;
    }
    section:first-of-type {
      view-timeline: --section;
    }
        section:first-of-type .fixed {
          -webkit-animation: fade-out both linear;
            animation: fade-out both linear;
          animation-timeline: --section;
          animation-range: exit 0% exit 25%;
          -webkit-mask-image: linear-gradient(black 70%, transparent 100%);
            mask-image: linear-gradient(black 70%, transparent 100%);
          -webkit-mask-size: 100% 200%;
            mask-size: 100% 200%;
          -webkit-mask-position: 0 0;
            mask-position: 0 0;
        }
    section#hero .content {
      -webkit-animation: hero-drift both linear;
              animation: hero-drift both linear;
      animation-timeline: --section;
      animation-range: exit 0% exit 60%;
    }
    /* Keyframes collection	*/
    @-webkit-keyframes slide-in {
      0% {
        translate: 0 100%;
      }
    }
    @keyframes slide-in {
      0% {
        translate: 0 100%;
      }
    }

    @-webkit-keyframes fade-in {
      0% {
        opacity: 0;
      }
    }

    @keyframes fade-in {
      0% {
        opacity: 0;
      }
    }
    @-webkit-keyframes slide-up {
      0% {
        translate: 0 100%;
      }
    }
    @keyframes slide-up {
      0% {
        translate: 0 100%;
      }
    }
    @-webkit-keyframes fade-away {
      to {
        filter: blur(4rem);
      }
    }
    @keyframes fade-away {
      to {
        filter: blur(4rem);
      }
    }
    @-webkit-keyframes unmask {
      to {
        -webkit-mask-position: 0 0;
                mask-position: 0 0;
      }
    }
    @keyframes unmask {
      to {
        -webkit-mask-position: 0 0;
                mask-position: 0 0;
      }
    }
    @-webkit-keyframes scale-down {
      0% {
        scale: 5;
      }
    }
    @keyframes scale-down {
      0% {
        scale: 5;
      }
    }
    @-webkit-keyframes unclip {
      to { -webkit-clip-path: ellipse(220% 200% at 50% 175%); clip-path: ellipse(220% 200% at 50% 175%); }
    }
    @keyframes unclip {
      to { -webkit-clip-path: ellipse(220% 200% at 50% 175%); clip-path: ellipse(220% 200% at 50% 175%); }
    }
    @-webkit-keyframes fade-out {
      to { opacity: 0; }
    }
    @keyframes fade-out {
      to { opacity: 0; }
    }
    @-webkit-keyframes hero-drift {
      to {
        translate: 0 -8%;
      }
    }
    @keyframes hero-drift {
      to {
        translate: 0 -8%;
      }
    }
  }
}

/* SCROLL BUTTON */
.scroll-btn {
  position: absolute;
  bottom: 10vh;
  left: 50%;
  translate: -50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 102px;
  height: 38px;
  border-radius: 999px;
  border: none;
  background: transparent;
  cursor: pointer;
  isolation: isolate;
  transition: width 0.35s ease, height 0.35s ease, border-radius 0.35s ease;
}

.scroll-btn__ring {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,0.28);
  box-shadow: 0 0 0 rgba(37,173,227,0.2);
  animation: ringPulse 4s ease-in-out infinite;
}

.scroll-btn__icon {
  font-size: 1.35rem;
  color: hsl(0 0% 98%);
  animation: arrowFloat 4s ease-in-out infinite;
  transition: transform 0.3s ease, font-size 0.3s ease;
}

.scroll-btn:hover .scroll-btn__ring {
  animation-play-state: paused;
  border-color: rgba(255,255,255,0.95);
  box-shadow: 0 0 22px rgba(37,173,227,0.6);
}
.scroll-btn:hover {
  width: 58px;
  height: 58px;
  border-radius: 50%;
}
.scroll-btn:hover .scroll-btn__icon {
  transform: translateY(0);
}

.scroll-btn__icon svg {
  width: 1.1em;
  height: 1.1em;
  stroke: currentColor;
}

@keyframes arrowFloat {
  0%, 100% { transform: translateY(-1px); }
  50%      { transform: translateY(6px); }
}
@keyframes ringPulse {
  0% {
    border-color: rgba(255,255,255,0.25);
    box-shadow: 0 0 0 rgba(37,173,227,0.2);
  }
  40% {
    border-color: rgba(255,255,255,0.25);
    box-shadow: 0 0 0 rgba(37,173,227,0.2);
  }
  55% {
    border-color: rgba(255,255,255,0.9);
    box-shadow: 0 0 18px rgba(37,173,227,0.55);
  }
  70% {
    border-color: rgba(255,255,255,0.25);
    box-shadow: 0 0 0 rgba(37,173,227,0.2);
  }
  100% {
    border-color: rgba(255,255,255,0.25);
    box-shadow: 0 0 0 rgba(37,173,227,0.2);
  }
}