/* =========================================================
   MyAsta Live — Landing page
   Palette e stile derivati 1:1 dal dark theme dell'app Flutter
   ========================================================= */

:root {
  --bg: #0D0D0F;
  --card: #111114;
  --card-2: #16161A;
  --surface: #1A1A1F;
  --surface-2: #1F1F25;

  --violet: #7C3AED;
  --violet-300: #A78BFA;
  --violet-700: #6D28D9;
  --cyan: #06B6D4;
  --gold: #FBBF24;
  --salmon: #FC8181;
  --green: #4ade80;

  --text: #FFFFFF;
  --text-60: rgba(255, 255, 255, 0.6);
  --text-45: rgba(255, 255, 255, 0.45);
  --text-35: rgba(255, 255, 255, 0.35);
  --text-25: rgba(255, 255, 255, 0.25);
  --border: rgba(255, 255, 255, 0.08);
  --border-soft: rgba(255, 255, 255, 0.07);

  --maxw: 1080px;
  --radius: 24px;
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--violet-300);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== Glow ambientali ===== */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}
.bg-glow--1 {
  top: -160px; left: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.22), transparent 70%);
}
.bg-glow--2 {
  top: 40%; right: -160px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.14), transparent 70%);
}

/* ===== Layout helpers ===== */
main { position: relative; z-index: 1; }

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px 22px;
}

.section__eyebrow {
  color: var(--violet-300);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 800;
  margin-bottom: 36px;
  max-width: 18ch;
}

/* ===================== NAV ===================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  max-width: var(--maxw);
  margin: 0 auto;
  background: rgba(13, 13, 15, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__logo {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.18);
  border: 1px solid rgba(124, 58, 237, 0.35);
}
.nav__name { font-weight: 800; letter-spacing: 0.14em; font-size: 14px; }
.nav__links { display: flex; gap: 22px; }
.nav__links a {
  color: var(--text-60);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text); }

/* ===================== HERO ===================== */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 22px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: 50px;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.live-badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
  animation: pulse-dot 1.6s infinite;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.hero__title {
  font-size: clamp(34px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.04;
  margin: 20px 0 16px;
}
.grad {
  background: linear-gradient(120deg, var(--violet-300), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  font-size: clamp(17px, 3.4vw, 20px);
  font-weight: 700;
  color: var(--violet-300);
  margin-bottom: 14px;
}
.hero__lead {
  color: var(--text-60);
  font-size: 16px;
  max-width: 46ch;
  margin-bottom: 28px;
}

/* ===== Store CTA ===== */
.store-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.store-cta--center { justify-content: center; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 11px 18px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: default;
  transition: transform 0.2s, border-color 0.2s;
}
.store-btn:hover { transform: translateY(-2px); border-color: rgba(124, 58, 237, 0.45); }
.store-btn__text { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.store-btn__text small { font-size: 10px; color: var(--text-45); letter-spacing: 0.04em; }
.store-btn__text strong { font-size: 15px; font-weight: 700; }

/* ===================== CARD SIGNATURE ===================== */
.auction-card {
  justify-self: center;
  width: 100%;
  max-width: 380px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  box-shadow: 0 30px 80px -30px rgba(124, 58, 237, 0.4);
}
.auction-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.auction-card__brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.auction-card__code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-45);
  letter-spacing: 0.1em;
}

/* Timer ad arco */
.timer {
  position: relative;
  width: 172px; height: 172px;
  margin: 4px auto 18px;
  display: grid;
  place-items: center;
}
.timer.is-urgent { animation: timer-pulse 0.8s ease-in-out infinite alternate; }
@keyframes timer-pulse {
  from { transform: scale(1); }
  to   { transform: scale(1.06); }
}
.timer__svg { position: absolute; inset: 0; margin: auto; }
.timer__track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 6;
}
.timer__arc {
  fill: none;
  stroke: var(--violet-300);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke 0.3s;
}
.timer__center { text-align: center; }
.timer__value {
  display: block;
  font-family: var(--mono);
  font-size: 50px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}
.timer__label {
  display: block;
  margin-top: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-35);
}

/* Crediti pill */
.credits-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 auto 20px;
  width: fit-content;
  padding: 9px 18px;
  border-radius: 50px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--text-60);
}
.credits-pill strong { color: var(--text); font-weight: 700; }

.auction-card__label {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-45);
}
.auction-card__amount {
  text-align: center;
  font-family: var(--mono);
  font-size: 50px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--salmon);
  margin: 8px 0 14px;
  transition: transform 0.18s ease;
}
.auction-card__amount.bump { transform: scale(1.12); }

.leader-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 0 auto 22px;
  width: fit-content;
  padding: 8px 16px;
  border-radius: 50px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-45);
}
.leader-chip strong { color: var(--violet-300); font-weight: 700; }

.bid-actions { display: flex; gap: 14px; }
.bid-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  max-height: 104px;
  border-radius: 50%;
  font-size: 19px;
  font-weight: 800;
  color: #fff;
}
.bid-btn small {
  margin-top: 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  opacity: 0.75;
}
.bid-btn--quick {
  background: rgba(124, 58, 237, 0.85);
  box-shadow: 0 10px 24px -8px rgba(124, 58, 237, 0.7);
}
.bid-btn--free {
  background: rgba(6, 182, 212, 0.85);
  box-shadow: 0 10px 24px -8px rgba(6, 182, 212, 0.6);
}

/* ===================== COME FUNZIONA ===================== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.step {
  padding: 28px 24px;
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.step__num {
  display: block;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--violet);
  margin-bottom: 12px;
}
.step h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.step p { color: var(--text-60); font-size: 15px; }

/* ===================== SPLIT / PERCHÉ ===================== */
.section--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
.split__lead { color: var(--text-60); font-size: 16px; margin-bottom: 20px; }
.check-list { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 14px; }
.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--text-60);
  font-size: 15px;
}
.check-list li strong { color: var(--text); font-weight: 700; }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A78BFA' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
  border: 1px solid rgba(124, 58, 237, 0.4);
}

/* Feed di esempio */
.split__feed {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.feed__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-35);
  margin-bottom: 16px;
}
.feed__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}
.feed__row p { flex: 1; font-size: 14px; color: var(--text-45); }
.feed__row p strong { color: var(--text-60); font-weight: 700; }
.feed__row--latest p { color: var(--text); }
.feed__row--latest p strong { color: var(--text); }
.feed__row time { font-family: var(--mono); font-size: 11px; color: var(--text-25); }
.feed__avatar {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--c) 20%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--c) 35%, transparent);
  color: var(--c);
  font-weight: 700;
  font-size: 15px;
}

/* ===================== FEATURE GRID ===================== */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.feature {
  padding: 26px 22px;
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}
.feature__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  margin-bottom: 14px;
}
.feature__icon--violet { background: rgba(124, 58, 237, 0.15); color: var(--violet-300); }
.feature__icon--gold   { background: rgba(251, 191, 36, 0.14); color: var(--gold); }
.feature__icon--cyan   { background: rgba(6, 182, 212, 0.14); color: var(--cyan); }
.feature h3 { font-size: 17px; font-weight: 800; margin-bottom: 6px; }
.feature p { color: var(--text-60); font-size: 14px; }

/* ===================== FINAL CTA ===================== */
.final-cta { padding: 40px 22px 80px; }
.final-cta__inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 28px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.22), transparent 70%),
    var(--card-2);
  border: 1px solid var(--border);
}
.final-cta__inner h2 {
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 800;
  margin: 18px 0 12px;
}
.final-cta__inner p { color: var(--text-60); font-size: 16px; max-width: 46ch; margin: 0 auto 28px; }

/* ===================== FOOTER ===================== */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 22px 48px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}
.footer__brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0.1em; }
.footer__links { display: flex; gap: 24px; margin-left: auto; }
.footer__links a { color: var(--text-60); font-size: 14px; transition: color 0.2s; }
.footer__links a:hover { color: var(--text); }
.footer__copy { width: 100%; color: var(--text-25); font-size: 13px; }

/* ===================== RESPONSIVE ===================== */
@media (min-width: 720px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    padding-top: 72px;
    padding-bottom: 72px;
  }
  .auction-card { justify-self: end; }
  .section--split { grid-template-columns: 1.1fr 0.9fr; gap: 56px; }
  .split__feed { position: sticky; top: 90px; }
  .features { grid-template-columns: repeat(4, 1fr); }
}

/* ===================== REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .timer.is-urgent { animation: none; }
}