:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #111;
  --accent: #111;
  --muted: #999;
  --font-body: "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --content-width: min(90vw, 700px);
  --circle-safe-zone: clamp(8.424rem, 16.848vw, 11.583rem);
  --circle-cover: calc(var(--circle-safe-zone) + clamp(1.053rem, 2.106vw, 1.5795rem));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

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

body {
  min-height: 100vh;
  scroll-snap-type: y mandatory;
}

main {
  position: relative;
  overflow-x: hidden;
}

main::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--circle-cover);
  background: var(--bg);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.45s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 60;
}

body.circle-active main::before {
  opacity: 1;
  transform: translateY(0);
}

section {
  width: 100%;
  padding: clamp(3rem, 6vw, 6rem) 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.fullscreen {
  min-height: 100vh;
  padding: 2rem;
  display: grid;
  place-items: center;
}

.scroll-snap {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero,
.footer-hero {
  background: var(--bg);
  opacity: 0;
  transform: translateY(20px);
  animation: heroFade 1.5s ease forwards;
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero img,
.footer-hero img {
  width: clamp(286px, 52vw, 416px);
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 40px rgba(0, 0, 0, 0.08));
}

.hero img {
  animation: breathe 6s ease-in-out infinite;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.hero img:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 16px 50px rgba(0, 0, 0, 0.12));
  animation-play-state: paused;
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
}

.greeting {
  background: transparent;
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.full-panel {
  min-height: 100vh;
  padding: clamp(3.5rem, 8vw, 7rem) clamp(1.5rem, 6vw, 3rem);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.essence.full-panel {
  align-content: start;
  padding-top: 0;
}

#essence.scroll-snap {
  scroll-margin-top: clamp(9.72rem, 16.2vw, 12.96rem);
}

.greeting h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 360px;
}

label {
  font-size: 1rem;
  color: var(--muted);
}

input[type="text"] {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 1rem;
  font-family: inherit;
  transition: border 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  background: #fff;
}

input[type="text"]:focus {
  outline: none;
  border-color: rgba(0, 0, 0, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

button {
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.35s ease;
}

button:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.tally-button {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.35s ease;
  margin-top: 1.5rem;
}

.tally-button:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

.tally-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.welcome-message {
  font-size: 1.1rem;
  color: var(--text);
  min-height: 1.4em;
  transition: opacity 0.4s ease, transform 0.4s ease;
  opacity: 0;
  transform: translateY(10px);
}

.welcome-message.active {
  opacity: 1;
  transform: translateY(0);
}

.essence {
  text-align: left;
  align-items: center;
}

.essence-main {
  justify-items: center;
  text-align: left;
}

.essence-main.fullscreen {
  align-items: center;
  justify-items: center;
  padding: 2rem clamp(1.5rem, 5vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.welcome-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4rem;
  text-align: center;
  width: var(--content-width);
}

.essence-main h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
}

.essence-main p {
  margin: 0;
  line-height: 1.75;
  font-size: 1.08rem;
}

.essence-main .content {
  margin: 0 auto;
}

.essence .content {
  width: var(--content-width);
  display: grid;
  gap: 2rem;
}

.essence .content p {
  margin: 0;
  line-height: 1.75;
  font-size: 1.08rem;
}

.essence .content p em {
  font-style: italic;
}

.poetic {
  font-size: 1.08rem;
  letter-spacing: 0.01em;
}

.poetic + .poetic {
  margin-top: 1.1rem;
}

.closing-text {
  margin-top: 1.5rem;
}

.essence .principles {
  display: grid;
  gap: 2rem;
  padding-top: 1.5rem;
}

.principles-heading {
  margin: 0;
  font-weight: 600;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
}

.principle-block {
  display: grid;
  gap: 0.35rem;
}

.principle-title {
  margin: 0;
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}

.principle-text {
  margin: 0;
  line-height: 1.7;
  font-size: 1.05rem;
}

.closing {
  padding: clamp(3.5rem, 8vw, 7rem) clamp(1.5rem, 6vw, 3rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  text-align: center;
}

.closing p {
  font-size: clamp(1.35rem, 3.5vw, 1.65rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
  margin: 0;
  width: var(--content-width);
  max-width: 100%;
}

.journey-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: clamp(2rem, 4vw, 3rem) 0;
  width: 100%;
  max-width: 420px;
}

.step-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  width: 100%;
  min-width: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.12);
}

.step-number {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #ffffff;
  border-radius: 50%;
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: left;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.step-content .step-title {
  margin: 0;
  font-size: 1.18272rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1.45;
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
}

.step-content .step-subtitle {
  margin: 0;
  font-size: 0.9009rem;
  color: var(--muted);
  letter-spacing: 0;
  line-height: 1.4;
  max-width: 100%;
  word-break: break-word;
  overflow-wrap: break-word;
}

.step-connector {
  display: flex;
  justify-content: center;
  margin: 0.5rem 0;
  color: var(--accent);
}

.scroll-circle {
  position: fixed;
  top: clamp(0.729rem, 2.916vw, 1.8225rem);
  left: 50%;
  width: clamp(83px, 13vw, 114px);
  height: auto;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -45px) scale(0.85);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 80;
}

.scroll-circle.visible {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.scroll-circle.closing {
  opacity: 0;
  transform: translate(-50%, 34px) scale(0.75);
}

.scroll-circle svg {
  width: 100%;
  height: 100%;
}

.circle-dot {
  fill: var(--accent);
}

.circle-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 7.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 188.4;
  stroke-dashoffset: 188.4;
  opacity: 0;
  transition: stroke-dashoffset 0.2s ease-out, opacity 0.35s ease;
}

.fade-in {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.content-flow {
  position: relative;
  z-index: 1;
  padding-top: clamp(1rem, 3vw, 2rem);
  background: var(--bg);
}

@media (max-width: 720px) {
  button {
    width: 100%;
  }

  .scroll-circle {
    top: 0.7rem;
    width: 73px;
  }

  .essence .content p {
    font-size: 1rem;
  }

  .journey-steps {
    max-width: 100%;
  }

  .step-card {
    padding: 1.25rem 1.5rem;
    gap: 1rem;
  }

  .step-number {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .step-content .step-title {
    font-size: 1.1088rem;
  }

  .step-content .step-subtitle {
    font-size: 0.84469rem;
  }
}