/* ==========================================================================
   shizuru / 静流 — a quiet current
   ========================================================================== */

:root {
  --color-bg: #131414;          /* graphite */
  --color-bg-deep: #0d0e0e;
  --color-text: #e8e4da;        /* broken white */
  --color-text-muted: #9a968c;  /* soft grey */
  --color-accent: #a89468;      /* muted gold / tea */
  --color-rule: rgba(232, 228, 218, 0.12);

  --font-heading: "Cormorant Garamond", "Noto Serif JP", Georgia, serif;
  --font-body: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-jp: "Noto Serif JP", "Noto Sans JP", serif;

  --space-section: clamp(6rem, 14vh, 10rem);
  --width-text: 34rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  /* elegant fallback if the image never loads */
  background: linear-gradient(160deg, #17181a 0%, var(--color-bg-deep) 70%);
}

.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: -6%;                 /* bleed for parallax movement */
  width: 112%;
  height: 112%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 2.4s ease;
  will-change: transform;
}

.hero__image.is-loaded {
  opacity: 1;
  animation: slow-zoom 45s ease-in-out infinite alternate;
}

@keyframes slow-zoom {
  from { scale: 1; }
  to   { scale: 1.07; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(13, 14, 14, 0.35), rgba(13, 14, 14, 0.55) 70%, var(--color-bg) 100%),
    radial-gradient(ellipse at 30% 45%, rgba(13, 14, 14, 0.25), transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 0 clamp(1.5rem, 8vw, 9rem);
  max-width: 44rem;
}

.hero__name {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.hero__separator {
  color: var(--color-accent);
  opacity: 0.7;
}

.kanji {
  font-family: var(--font-jp);
  letter-spacing: 0.15em;
  color: var(--color-text);
}

.hero__motto {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.hero__motto-pl {
  margin-top: 1.1rem;
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.hero__note {
  margin-top: 3.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  opacity: 0.8;
}

/* discreet scroll hint — a thin fading line */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-hint span {
  display: block;
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(to bottom, transparent, var(--color-text-muted));
  animation: hint-fade 4s ease-in-out infinite;
}

@keyframes hint-fade {
  0%, 100% { opacity: 0.25; }
  50%      { opacity: 0.7; }
}

/* ==========================================================================
   Sections
   ========================================================================== */

main {
  position: relative;
  background-color: var(--color-bg);
}

section {
  padding: var(--space-section) clamp(1.5rem, 8vw, 9rem);
}

/* --- About --- */

.about {
  max-width: calc(var(--width-text) + 18rem);
  margin: 0 auto;
}

.about__text {
  max-width: var(--width-text);
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.7;
}

.about__text--pl {
  margin-top: 2.5rem;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  color: var(--color-text-muted);
}

/* --- Fragments --- */

.fragments {
  max-width: calc(var(--width-text) + 18rem);
  margin: 0 auto;
  display: grid;
  gap: 4.5rem;
}

@media (min-width: 46rem) {
  .fragments {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
  }
}

.fragment {
  border-top: 1px solid var(--color-rule);
  padding-top: 1.75rem;
}

.fragment__title {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.9rem;
}

.fragment__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* --- Ending --- */

.ending {
  text-align: center;
  padding-top: calc(var(--space-section) * 1.2);
  padding-bottom: calc(var(--space-section) * 1.2);
}

.ending__kanji {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.2em;
}

.ending__romaji {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}

.ending__translation {
  margin-top: 0.5rem;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 2.5rem clamp(1.5rem, 8vw, 9rem);
  border-top: 1px solid var(--color-rule);
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 1.4s ease, transform 1.4s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Reduced motion — keep everything calm and static
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero__image.is-loaded {
    animation: none;
  }

  .hero__scroll-hint span {
    animation: none;
    opacity: 0.4;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}