/* ================================================================
   marcelonline.net — Startseite
   Stil: dezente japanische Ästhetik, anime-inspirierte Akzente.
   Farben: Washi-Papier, Tusche, Shu-Vermilion, Sakura.
   ================================================================ */

:root {
  --paper: #f6f1e7;
  --paper-2: #efe7d8;
  --ink: #1f1d1a;
  --ink-soft: #55504a;
  --vermilion: #d93a2b;
  --vermilion-deep: #b02a1e;
  --sakura: #f2c4cf;
  --gold: #c9a227;
  --card: #fffdf8;
  --line: #e2d8c3;
  --shadow: 0 10px 30px rgba(31, 29, 26, 0.10);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #17161a;
    --paper-2: #201f24;
    --ink: #efe9df;
    --ink-soft: #b0a89c;
    --vermilion: #e8503f;
    --vermilion-deep: #d93a2b;
    --sakura: #e8a8b8;
    --card: #211f26;
    --line: #35323b;
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
  /* dezente Papierstruktur */
  background-image:
    radial-gradient(rgba(31,29,26,0.028) 1px, transparent 1px),
    radial-gradient(rgba(31,29,26,0.02) 1px, transparent 1px);
  background-size: 22px 22px, 34px 34px;
  background-position: 0 0, 11px 17px;
}

h1, h2, h3 { font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif; }

/* ---------------------------------------------------------------- petals */
#petals {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-inner { position: relative; z-index: 2; padding: 2rem; }

.hero-enso {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(72vmin, 540px);
  height: min(72vmin, 540px);
  transform: translate(-50%, -54%);
  z-index: -1;
}

.enso-svg { width: 100%; height: 100%; transform: rotate(-12deg); }

.enso-ring {
  fill: none;
  stroke: var(--vermilion);
  stroke-width: 10;
  stroke-linecap: round;
  opacity: 0.85;
  stroke-dasharray: 700 741;   /* bewusst nicht geschlossen — Ensō */
  stroke-dashoffset: 700;
  animation: enso-draw 1.6s cubic-bezier(.6,.05,.25,1) 0.25s forwards;
}

@keyframes enso-draw { to { stroke-dashoffset: 40; } }

.enso-glow {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--vermilion) 16%, transparent) 0%, transparent 62%);
  animation: glow-breathe 7s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%, 100% { transform: scale(1); opacity: .8; }
  50%      { transform: scale(1.07); opacity: 1; }
}

.hero-kicker {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  letter-spacing: 0.45em;
  color: var(--vermilion);
  margin-bottom: 1rem;
  opacity: 0;
  animation: rise-in .8s ease .15s forwards;
}

.hero-title {
  font-size: clamp(3.4rem, 11vw, 7rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.05;
  opacity: 0;
  animation: rise-in .8s ease .3s forwards;
}

.hero-sub {
  max-width: 34rem;
  margin: 1.3rem auto 2.4rem;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--ink-soft);
  opacity: 0;
  animation: rise-in .8s ease .45s forwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  opacity: 0;
  animation: rise-in .8s ease .6s forwards;
}

.hero-cta:hover { transform: translateY(-3px); background: var(--vermilion); }
.hero-cta:hover .cta-arrow { transform: translateY(3px); }
.cta-arrow { transition: transform .25s ease; }

@keyframes rise-in {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* vertikale Schrift am Rand */
.tategaki {
  position: absolute;
  right: clamp(0.6rem, 3.5vw, 3.2rem);
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(0.85rem, 1.7vw, 1.05rem);
  letter-spacing: 0.5em;
  color: var(--ink-soft);
  opacity: 0.55;
  z-index: 2;
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 1;
}

.hero-wave svg { display: block; width: 100%; height: clamp(40px, 7vw, 90px); }
.hero-wave path { fill: var(--paper-2); }

/* ---------------------------------------------------------------- sections */
main { background: var(--paper-2); }

.projects {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) 1.4rem 5rem;
}

.section-head { position: relative; margin-bottom: 2.2rem; }

.section-jp {
  position: absolute;
  top: -1.4em;
  left: -0.1em;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(3.4rem, 9vw, 5.6rem);
  color: color-mix(in srgb, var(--vermilion) 12%, transparent);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.section-head h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  display: inline-block;
  position: relative;
}

.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--vermilion) 0%, var(--sakura) 100%);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .8s cubic-bezier(.6,.05,.25,1) .2s;
}

.section-head.visible h2::after { transform: scaleX(1); }

.section-note { color: var(--ink-soft); margin-top: 0.9rem; }

/* ---------------------------------------------------------------- filter */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.chip {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.chip .jp { font-size: 0.8em; color: var(--ink-soft); transition: color .25s ease; }

.chip:hover { border-color: var(--vermilion); transform: translateY(-2px); }

.chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.chip.active .jp { color: var(--sakura); }

/* ---------------------------------------------------------------- grid & cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.3rem;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 2px 10px rgba(31,29,26,0.05);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease, opacity .4s ease;
  transform-style: preserve-3d;
  will-change: transform;
  overflow: hidden;
}

.card::before {                    /* Pinselstrich oben */
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--vermilion), var(--sakura) 70%, transparent);
  opacity: 0;
  transition: opacity .3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--vermilion) 45%, var(--line));
}

.card:hover::before { opacity: 1; }

.card.featured { grid-column: 1 / -1; }

@media (min-width: 720px) {
  .card.featured { flex-direction: row; align-items: center; gap: 2rem; padding: 2rem; }
  .card.featured .card-body { flex: 1; }
}

.card.featured .card-icon { font-size: 3.6rem; }

.card-top { display: flex; align-items: center; gap: 0.8rem; }

.card-icon {
  font-size: 2rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.12));
  transition: transform .3s ease;
}

.card:hover .card-icon { transform: scale(1.12) rotate(-4deg); }

.card-name { font-size: 1.25rem; font-weight: 700; }

.card-jp {
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.14em;
  margin-top: 0.1rem;
}

.badge {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge.live { color: #2c7a3f; background: rgba(70,160,90,0.12); border-color: rgba(70,160,90,0.35); }
.badge.bau  { color: var(--gold); background: rgba(201,162,39,0.12); border-color: rgba(201,162,39,0.4); }

@media (prefers-color-scheme: dark) {
  .badge.live { color: #7fd695; }
}

.card-desc { color: var(--ink-soft); font-size: 0.96rem; flex: 1; }

.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.2rem; }

.tag {
  font-size: 0.74rem;
  color: var(--ink-soft);
  border: 1px dashed var(--line);
  border-radius: 6px;
  padding: 0.12rem 0.5rem;
}

.card-go {
  position: absolute;
  right: 1.2rem;
  bottom: 1rem;
  font-size: 1.05rem;
  color: var(--vermilion);
  opacity: 0;
  transform: translateX(-8px);
  transition: all .3s ease;
}

.card:hover .card-go { opacity: 1; transform: translateX(0); }

/* Einblendung beim Scrollen */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.card.reveal { transition-delay: var(--stagger, 0s); }

.grid.filtering .card { opacity: 0; transform: translateY(14px) scale(.98); }

.empty-note { color: var(--ink-soft); font-style: italic; padding: 2rem 0; }

/* ---------------------------------------------------------------- footer */
.site-footer {
  position: relative;
  text-align: center;
  padding: 3.6rem 1.4rem 2.6rem;
  color: var(--ink-soft);
  background: var(--paper);
}

.seigaiha {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 26px;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='28' viewBox='0 0 56 28'%3E%3Cg fill='none' stroke='%23d93a2b' stroke-opacity='0.35' stroke-width='1.4'%3E%3Cpath d='M0 28a28 28 0 0 1 56 0M8 28a20 20 0 0 1 40 0M16 28a12 12 0 0 1 24 0M24 28a4 4 0 0 1 8 0'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat-x;
}

.footer-jp { margin-top: 0.5rem; letter-spacing: 0.3em; font-size: 0.9rem; }

/* ---------------------------------------------------------------- motion prefs */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero-kicker, .hero-title, .hero-sub, .hero-cta { opacity: 1; }
  .enso-ring { stroke-dashoffset: 40; }
  .reveal { opacity: 1; transform: none; }
  #petals { display: none; }
}

@media (max-width: 620px) {
  .tategaki { display: none; }
  .card.featured .card-icon { font-size: 2.6rem; }
}