:root {
  --bg: #ffffff;
  --fg: #080808;
  --muted: #000000;
  --accent-start: #ef8f1a;
  --accent-mid: #f5b21d;
  --accent-end: #f3cf4a;
  --hover-start: #48eef2;
  --hover-mid: #7df7ff;
  --hover-end: #c7ffff;
  --font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  overflow: hidden;
}

.hero {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100dvh;
  padding: 2rem 4.5rem;
  overflow: hidden;
}

.hero__content {
  display: grid;
  justify-items: center;
  width: min(100%, 1040px);
  max-width: 100%;
}

.hero__logo-frame {
  display: flex;
  justify-content: center;
  width: 100%;
  transform: translateX(-6px);
  transition: opacity 180ms ease-out;
  will-change: opacity;
}

.hero__subtext-frame,
.hero__contact-frame {
  display: flex;
  justify-content: center;
  transform: translate3d(0, 0, 0) scale(1);
  transition: opacity 220ms ease-out;
  will-change: opacity, transform;
}

.hero__logo {
  width: min(100%, 1040px);
  height: auto;
  display: block;
  opacity: 0;
  animation: logoFadeIn 1200ms ease 180ms both;
}

.hero__subtext {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: clamp(1.25rem, 2.35vw, 2rem);
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.1;
  opacity: 0;
  transform: translate3d(0, 0, 0) scale(1);
  animation: subtextEnter 1000ms cubic-bezier(0.2, 0.8, 0.2, 1) 520ms both;
}

.hero__contact {
  margin: 0.65rem 0 0;
  text-align: left;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.1;
  opacity: 0;
  transform: translate3d(0, 0, 0) scale(1);
  animation: contactEnter 1000ms cubic-bezier(0.2, 0.8, 0.2, 1) 760ms both;
}

.hero__contact-frame {
  width: min(100%, 32rem);
}

.hero__contact a {
  display: inline-block;
  color: var(--fg);
  text-decoration: none;
  text-transform: lowercase;
}

.edge {
  position: relative;
  display: inline-grid;
  justify-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.015em;
  text-transform: uppercase;
  color: var(--fg);
  padding: 0.35rem 0.3rem;
  border: 0;
  background: transparent;
  transform-origin: center;
  user-select: none;
  text-decoration: none;
  transition: color 120ms ease;
  opacity: 0;
  animation: edgeEnter 1050ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  z-index: 5;
  cursor: pointer;
  appearance: none;
}

.about {
  position: fixed;
  left: 1.6rem;
  top: 0;
  bottom: 0;
  width: max-content;
  display: grid;
  align-content: center;
  z-index: 5;
}

.edge-left {
  animation-delay: 360ms;
}

body.about-open .edge-left,
.edge-left:hover {
  color: var(--accent-start);
}

.edge-label,
.edge-plus {
  display: block;
  line-height: 1;
}

.edge-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.about-panel {
  position: fixed;
  inset: 0;
  width: 100vw;
  min-height: 100dvh;
  padding: 2.5rem 4rem;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.995);
  color: var(--fg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.96);
  transform-origin: center;
  transition:
    opacity 220ms ease-out 160ms,
    transform 360ms cubic-bezier(0.4, 0, 1, 1),
    visibility 0s linear 380ms;
  z-index: 4;
  overflow: hidden;
}

.about-panel__back {
  display: none;
}

.about-panel__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.15rem;
  width: min(980px, calc(100vw - 8rem));
  max-width: 980px;
  margin-inline: auto;
  pointer-events: none;
  text-align: left;
  opacity: 1;
  transform: translate3d(0, 18px, 0) scale(0.985);
  transform-origin: center;
  transition: transform 320ms cubic-bezier(0.4, 0, 1, 1);
}

.about-panel__content > * {
  opacity: 0;
  transition:
    opacity 220ms ease-out,
    transform 420ms cubic-bezier(0.4, 0, 1, 1);
  will-change: opacity, transform;
}

.about-panel__lead {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(2rem, 2.9vw, 3.1rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  transform: translate3d(-124px, -18px, 0) scale(0.86);
}

.about-panel__body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.18rem, 1.35vw, 1.6rem);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}

.about-panel__body:nth-of-type(2) {
  transform: translate3d(148px, 14px, 0) scale(0.92);
}

.about-panel__body:nth-of-type(3) {
  transform: translate3d(-152px, 34px, 0) scale(0.92);
}

.about-panel__gradient {
  color: var(--accent-start);
}

.about-panel a {
  color: inherit;
}

body.about-open .about-panel {
  visibility: visible;
  opacity: 1;
  transform: scale(1);
  transition:
    opacity 560ms ease,
    transform 1100ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 0s;
}

body.about-open .about-panel__content {
  transform: translate3d(0, 0, 0) scale(1);
  pointer-events: auto;
  transition:
    transform 1200ms cubic-bezier(0.16, 1, 0.3, 1) 90ms;
}

body.about-open .about-panel__content > * {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition:
    opacity 420ms ease,
    transform 980ms cubic-bezier(0.16, 1, 0.3, 1);
}

body.about-open .about-panel__lead {
  transition-delay: 120ms;
}

body.about-open .about-panel__body:nth-of-type(2) {
  transition-delay: 240ms;
}

body.about-open .about-panel__body:nth-of-type(3) {
  transition-delay: 360ms;
}

body.about-open .hero__content {
  pointer-events: none;
}

body.about-open .hero__logo-frame {
  opacity: 0;
  transform: none;
}

body.about-open .hero__subtext-frame,
body.about-open .hero__contact-frame {
  transition:
    opacity 180ms ease-out,
    transform 300ms cubic-bezier(0.4, 0, 1, 1);
}

body.about-open .hero__subtext-frame {
  opacity: 0;
  transform: translate3d(-72px, -36px, 0) scale(0.95);
}

body.about-open .hero__contact-frame {
  opacity: 0;
  transform: translate3d(88px, 28px, 0) scale(0.95);
}

@keyframes logoFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes subtextEnter {
  from {
    opacity: 0;
    transform: translateY(-28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes contactEnter {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes edgeEnter {
  from {
    opacity: 0;
    transform: translateX(-18px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 900px) {
  .hero {
    height: 100dvh;
    padding: calc(env(safe-area-inset-top) + 1.25rem) 1rem
      calc(env(safe-area-inset-bottom) + 1.25rem);
  }

  .hero__content {
    width: min(100%, 31rem);
  }

  .about-panel {
    width: 100vw;
    min-height: 100dvh;
    padding: calc(env(safe-area-inset-top) + 4.4rem) 1rem
      calc(env(safe-area-inset-bottom) + 1.25rem);
    place-items: start stretch;
    transform: translateY(10px);
    transition:
      opacity 180ms ease-out,
      transform 220ms ease-out,
      visibility 0s linear 220ms;
    overflow: auto;
  }

  .about-panel__back {
    position: fixed;
    top: calc(env(safe-area-inset-top) + 0.75rem);
    left: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.4rem 0.85rem;
    border: 1px solid rgba(8, 8, 8, 0.14);
    background: rgba(255, 255, 255, 0.92);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.015em;
    text-transform: uppercase;
    appearance: none;
    z-index: 2;
  }

  .about-panel__content {
    gap: 0.9rem;
    width: min(100%, 30rem);
    max-width: 30rem;
    margin-inline: 0;
    align-items: flex-start;
    transform: none;
    transition: none;
  }

  .about-panel__content > * {
    transform: none;
    transition:
      opacity 180ms ease,
      transform 220ms ease;
  }

  .about-panel__lead {
    font-size: clamp(1.55rem, 5.4vw, 2.2rem);
    line-height: 1.02;
  }

  .about-panel__body {
    font-size: clamp(1.02rem, 4.1vw, 1.22rem);
    line-height: 1.18;
  }

  .about {
    top: calc(env(safe-area-inset-top) + 0.6rem);
    bottom: auto;
    left: 50%;
    transform: translateX(-50%);
  }

  body.about-open .about {
    opacity: 0;
    pointer-events: none;
  }

  body.about-open .about-panel {
    transform: translateY(0);
    transition:
      opacity 220ms ease,
      transform 260ms ease,
      visibility 0s linear 0s;
  }

  body.about-open .about-panel__content {
    transition: none;
  }

  body.about-open .about-panel__content > * {
    transition-delay: 0s;
  }

  .hero__logo {
    width: min(100%, 88vw);
  }

  .hero__subtext {
    margin-top: 0.85rem;
    font-size: clamp(1rem, 4.8vw, 1.35rem);
    letter-spacing: 0.01em;
    line-height: 1.05;
  }

  .hero__contact {
    margin-top: 0.55rem;
    font-size: clamp(0.82rem, 3.35vw, 0.98rem);
    letter-spacing: 0.01em;
    text-align: center;
    line-height: 1.2;
  }

  .hero__contact-frame {
    width: min(100%, 22rem);
  }

  body.about-open .hero__logo-frame,
  body.about-open .hero__subtext-frame,
  body.about-open .hero__contact-frame {
    opacity: 0;
    transform: none;
    transition: opacity 160ms ease-out;
  }

  .edge {
    display: inline-flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-size: 0.95rem;
    letter-spacing: 0.015em;
    padding: 0.45rem 0.65rem;
    min-height: 44px;
  }

  .edge-label {
    writing-mode: initial;
    transform: none;
  }
}

@media (max-width: 560px) {
  .hero {
    padding: calc(env(safe-area-inset-top) + 1rem) 0.9rem
      calc(env(safe-area-inset-bottom) + 1rem);
  }

  .about-panel {
    padding: calc(env(safe-area-inset-top) + 4.15rem) 0.9rem
      calc(env(safe-area-inset-bottom) + 1rem);
  }

  .hero__subtext {
    font-size: clamp(0.95rem, 5vw, 1.18rem);
  }

  .hero__contact {
    font-size: clamp(0.78rem, 3.8vw, 0.92rem);
  }
}