/* Furly — lacca nera e foglia d'oro (dal tema "Lacca" di Loong, Sheng e Xue). */

:root {
  --canvas: #070505;
  --surface: #100b09;
  --elevated: #1c1410;
  --line: #2e211a;
  --fg: #f1e8da;
  --muted: #a8988a;
  --accent: #d4a24c;
  --gold: linear-gradient(170deg, #fff3c4 0%, #e8c068 22%, #a8741e 48%, #f6d98a 62%, #8a5a14 82%, #e8c068 100%);
  --gold-btn: linear-gradient(180deg, #f6d98a 0%, #d4a24c 50%, #9c6c22 100%);
  --serif: 'EB Garamond', Garamond, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --han: 'Noto Serif SC', 'SimSun', serif;
  --wrap: 1120px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--fg);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* Riflesso della lacca: un alone caldo in alto, quasi niente. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60rem 36rem at 50% -12rem, rgba(212, 162, 76, 0.10), transparent 70%),
    radial-gradient(40rem 30rem at 100% 110%, rgba(138, 90, 20, 0.08), transparent 70%);
}
::selection { background: rgba(212, 162, 76, 0.35); color: #fff; }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* Lingua: si vede solo quella scelta. */
html[data-lang='en'] body [lang='it'],
html[data-lang='it'] body [lang='en'] { display: none !important; }

.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }

.gold {
  background: var(--gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ───────── Barra ───────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 5, 5, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(46, 33, 26, 0.7);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font: italic 500 28px/1 var(--serif);
  letter-spacing: 0.01em;
  user-select: none;
}
.brand .gold { padding: 0 2px 4px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a[aria-current='page'] { color: var(--fg); }
.lang {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
  margin-left: 6px;
}
.lang button {
  all: unset;
  cursor: pointer;
  font: 600 12px/1 var(--sans);
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 6px 9px;
  border-radius: 999px;
}
.lang button[aria-pressed='true'] { background: var(--elevated); color: var(--accent); }
@media (max-width: 640px) {
  .nav-links a.hide-sm { display: none; }
}

/* ───────── Tipografia ───────── */
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0; letter-spacing: -0.005em; }
h1 { font-size: clamp(40px, 6.4vw, 76px); }
h2 { font-size: clamp(32px, 4.2vw, 48px); }
h3 { font-size: 24px; }
h1 em, h2 em { font-style: italic; }
p { margin: 0; }
.eyebrow {
  font: 600 12px/1 var(--sans);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 40ch; }
.muted { color: var(--muted); }

/* ───────── Pulsanti ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font: 600 15px/1 var(--sans);
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--fg);
  transition: filter 0.2s, border-color 0.2s, transform 0.2s;
}
.btn:hover { border-color: #5a4330; transform: translateY(-1px); }
.btn-gold {
  background: var(--gold-btn);
  color: #1a1206;
  border-color: transparent;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 0 18px -4px rgba(212, 162, 76, 0.6);
}
.btn-gold:hover { filter: brightness(1.08); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ───────── Sezioni ───────── */
section { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { display: grid; gap: 16px; margin-bottom: 48px; max-width: 720px; }
.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, var(--line) 20%, #5a4330 50%, var(--line) 80%, transparent);
}

/* ───────── Hero ───────── */
.hero { padding-top: clamp(56px, 9vw, 112px); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero-copy { display: grid; gap: 28px; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
}

/* Carattere d'oro liquido: parte vuoto e si riempie dal basso, come il 坤 all'avvio di Kun. */
@property --fill {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 0%;
}
.glyphs { display: flex; justify-content: center; gap: clamp(8px, 2vw, 24px); }
.glyph {
  position: relative;
  filter: drop-shadow(0 0 22px rgba(212, 162, 76, 0.22));
  font: 900 clamp(120px, 17vw, 210px)/1 var(--han);
  cursor: default;
  user-select: none;
}
.glyph .vessel {
  color: #1c1410;
  -webkit-text-stroke: 1px #3a2a1c;
}
.glyph .liquid {
  position: absolute;
  inset: 0;
  background: linear-gradient(170deg, #fff3c4 0%, #e8c068 18%, #a8741e 38%, #f6d98a 52%, #8a5a14 68%, #e8c068 84%, #fff3c4 100%);
  background-size: 100% 260%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-mask-image: linear-gradient(to top, #000 var(--fill), transparent calc(var(--fill) + 5%));
  mask-image: linear-gradient(to top, #000 var(--fill), transparent calc(var(--fill) + 5%));
  animation: fill 2.6s cubic-bezier(0.45, 0, 0.2, 1) forwards, ripple 7s ease-in-out infinite alternate;
}
.glyph-col:nth-child(2) .liquid { animation-delay: 0.35s, 0.35s; }
@keyframes fill { to { --fill: 105%; } }
@keyframes ripple { from { background-position: 0 0; } to { background-position: 0 100%; } }
.glyph-col { margin: 0; display: grid; justify-items: center; gap: 14px; }
.glyph-col figcaption { font: italic 20px/1 var(--serif); color: var(--muted); }

/* ───────── Prodotti ───────── */
.products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .products { grid-template-columns: 1fr; } }
.card {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 32px;
  border-radius: 20px;
  background: linear-gradient(180deg, var(--surface), #0b0807);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.3s, transform 0.3s;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(30rem 14rem at 0% 0%, rgba(212, 162, 76, 0.08), transparent 70%);
}
.card:hover { border-color: #5a4330; transform: translateY(-3px); }
.card-top { display: flex; align-items: center; gap: 16px; }
.card-top img { width: 64px; height: 64px; }
.card h3 { font-size: 32px; }
.card .pinyin { font: italic 16px/1 var(--serif); color: var(--muted); }
.card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--muted); font-size: 15.5px; }
.card li { padding-left: 20px; position: relative; }
.card li::before { content: '◆'; position: absolute; left: 0; top: 1px; font-size: 9px; color: var(--accent); }
.card .more { color: var(--accent); font-weight: 600; font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font: 500 12px/1 var(--sans);
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
}
.tag.beta { color: var(--accent); border-color: #5a4330; }

/* ───────── Principi ───────── */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; } }
.pillar { background: var(--canvas); padding: 32px; display: grid; gap: 12px; align-content: start; }
.pillar .num { font: 900 34px/1 var(--han); }
.pillar p { color: var(--muted); font-size: 16px; }

/* ───────── Chi sono ───────── */
.about .wrap { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .about .wrap { grid-template-columns: 1fr; } }
.about-text { display: grid; gap: 18px; font-size: 18px; color: var(--muted); }
.about-text strong { color: var(--fg); font-weight: 500; }
.signature { font: italic 30px/1 var(--serif); margin-top: 8px; }

/* ───────── Contatto ───────── */
.contact { text-align: center; }
.contact .wrap { display: grid; justify-items: center; gap: 24px; }
.contact h2 { max-width: 16ch; }
.mail { font: italic 500 clamp(26px, 4vw, 40px)/1.2 var(--serif); text-decoration: none; overflow-wrap: anywhere; }
.mail:hover { filter: brightness(1.15); }

/* ───────── Pagine delle app ───────── */
.app-hero .wrap { display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: center; }
.app-hero img.icon { width: clamp(120px, 18vw, 200px); filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6)); }
.app-hero .copy { display: grid; gap: 22px; }
@media (max-width: 720px) { .app-hero .wrap { grid-template-columns: 1fr; } }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .features { grid-template-columns: 1fr; } }
.feature {
  padding: 28px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  gap: 10px;
  align-content: start;
}
.feature h3 { font-size: 22px; }
.feature p { color: var(--muted); font-size: 15.5px; }
.feature .mark { font: 900 22px/1 var(--han); color: var(--accent); }
kbd {
  font: 600 13px/1 var(--sans);
  padding: 3px 7px;
  border-radius: 6px;
  border: 1px solid #5a4330;
  border-bottom-width: 2px;
  background: var(--elevated);
  color: var(--fg);
  white-space: nowrap;
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; min-width: 520px; }
th, td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
th { font: 600 12px/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); background: var(--surface); }
td:first-child { color: var(--fg); font-weight: 500; white-space: nowrap; }
td { color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 20px; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; color: var(--muted); }
.steps li::before {
  counter-increment: s;
  content: counter(s);
  font: italic 30px/1 var(--serif);
  color: var(--accent);
}
.steps strong { color: var(--fg); font-weight: 500; }
.stat { display: grid; gap: 6px; padding: 28px; border-left: 1px solid #5a4330; }
.stat .big { font: 500 clamp(44px, 6vw, 64px)/1 var(--serif); }
.stat p { color: var(--muted); font-size: 15.5px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr; } }

.platforms { display: flex; flex-wrap: wrap; gap: 10px; }

.next-app {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  text-decoration: none;
  background: var(--surface);
  transition: border-color 0.3s;
}
.next-app:hover { border-color: #5a4330; }
.next-app img { width: 56px; height: 56px; }
.next-app .l { display: flex; align-items: center; gap: 16px; }
.next-app h3 { font-size: 26px; }

/* ───────── Piè di pagina ───────── */
footer { border-top: 1px solid var(--line); padding: 32px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer a { text-decoration: none; }
footer a:hover { color: var(--fg); }
footer nav { display: flex; gap: 18px; }

/* ───────── Easter egg ───────── */
.egg {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(7, 5, 5, 0.94);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s;
  cursor: pointer;
}
.egg.show { opacity: 1; pointer-events: auto; }
.egg blockquote {
  margin: 0;
  max-width: 14ch;
  text-align: center;
  font: italic 500 clamp(40px, 7vw, 88px)/1.08 var(--serif);
  font-feature-settings: 'swsh' 1;
}
.egg .dragon { display: block; font: 900 clamp(64px, 10vw, 120px)/1 var(--han); margin-bottom: 24px; }

/* Comparsa al primo scorrimento. */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .glyph .liquid { animation: none; --fill: 105%; -webkit-mask-image: none; mask-image: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
}

/* ───────── Pagine di testo (privacy) ───────── */
.legal { max-width: 720px; padding-top: clamp(48px, 8vw, 96px); }
.legal h1 { font-size: clamp(40px, 6vw, 64px); margin-bottom: 12px; }
.legal h2 { font-size: 28px; margin: 48px 0 14px; }
.legal p, .legal li { color: var(--muted); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 20px; margin: 12px 0 0; display: grid; gap: 8px; }
.legal li::marker { color: var(--accent); }
.legal strong { color: var(--fg); font-weight: 500; }
.legal a { color: var(--accent); text-underline-offset: 3px; }
.legal .updated { font-size: 14px; }