/* ============================================================
   ZBUDUJ BESTIĘ — PC building service landing
   ============================================================ */

/* ── HERO ── */
.zb-hero {
  position: relative;
  padding: 60px 0 40px;
  overflow: hidden;
}

.zb-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,53,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,53,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 70%, transparent 100%);
  pointer-events: none;
}

.zb-hero-glow {
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(255,107,53,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.zb-hero-content { position: relative; z-index: 1; max-width: 720px; }

.zb-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,53,0.1);
  border: 1px solid rgba(255,107,53,0.3);
  color: var(--accent2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}

.zb-hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent2);
  border-radius: 50%;
  animation: zb-pulse 2s ease-in-out infinite;
}

@keyframes zb-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,53,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(255,107,53,0); }
}

.zb-hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(64px, 16vw, 128px);
  line-height: 0.88;
  letter-spacing: 2px;
  color: var(--text);
  margin: 4px 0 20px;
}
.zb-hero-title span { color: var(--accent2); }

.zb-hero-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 28px;
}
.zb-hero-lead strong { color: var(--text); }

.zb-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.zb-hero-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 14px;
}

.zb-hero-strip > div {
  text-align: center;
  padding: 0 8px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.zb-hero-strip > div:last-child { border-right: none; }

.zb-hero-strip-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 1px;
}
.zb-hero-strip-num i { font-style: normal; font-size: 16px; color: var(--muted); }

.zb-hero-strip-lbl {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── SCENE (animated 6-step build) ── */
.zb-scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
  position: relative;
  --zb-progress: 0;
  --zb-idx: 0;
}

.zb-scene-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.zb-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  min-height: 150px;
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s cubic-bezier(0.25,0.46,0.45,0.94),
    transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94),
    border-color 0.35s,
    background 0.35s,
    box-shadow 0.35s;
}

.zb-step.revealed {
  opacity: 1;
  transform: translateY(0);
}

.zb-step.active {
  border-color: rgba(255,107,53,0.45);
  background: linear-gradient(135deg, rgba(255,107,53,0.08), rgba(255,107,53,0.01));
  box-shadow: 0 10px 30px rgba(255,107,53,0.08);
}

.zb-step.passed {
  border-color: rgba(232,255,71,0.18);
}

.zb-step-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px;
  color: var(--accent2);
  line-height: 1;
  letter-spacing: 1px;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.35s, color 0.35s, transform 0.35s;
}

.zb-step.active .zb-step-num {
  opacity: 1;
  transform: scale(1.08);
}

.zb-step.passed .zb-step-num {
  opacity: 0.85;
  color: var(--accent);
}

.zb-step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.zb-step-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ── RAIL (mobile: hidden by default, shown as top strip below) ── */
.zb-scene-rail { display: none; }

/* ── PC SVG parts revealed cumulatively ── */
.zb-part {
  opacity: 0;
  transform-origin: center;
  transform: scale(0.85);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.zb-part.revealed {
  opacity: 1;
  transform: scale(1);
}

.zb-rail-counter {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
}
.zb-rail-counter span { color: var(--accent2); }

/* ── DESKTOP: full rail with moving PC along dashed line ── */
@media (min-width: 768px) {
  .zb-scene {
    grid-template-columns: 1fr 230px;
    gap: 32px;
  }

  .zb-scene-rail {
    display: block;
    position: relative;
    align-self: stretch;
  }

  /* Vertical dashed line (spans full rail height with padding at top/bottom) */
  .zb-rail-line {
    position: absolute;
    left: 40px;
    top: 40px;
    bottom: 40px;
    width: 0;
    border-left: 2px dashed rgba(255,107,53,0.32);
    z-index: 0;
  }

  /* Filled progress overlay drawn from top (scaleY driven by --zb-progress: 0-100) */
  .zb-rail-progress {
    position: absolute;
    left: 40px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    transform: translateX(-1px) scaleY(calc(var(--zb-progress) / 100));
    transform-origin: top;
    background: linear-gradient(180deg, var(--accent2) 0%, var(--accent) 100%);
    border-radius: 2px;
    transition: transform 0.7s cubic-bezier(0.65,0,0.35,1);
    z-index: 1;
    box-shadow: 0 0 8px rgba(255,107,53,0.5);
  }

  /* Six marker dots evenly distributed on the line */
  .zb-rail-markers {
    position: absolute;
    left: 40px;
    top: 40px;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: translateX(-50%);
    z-index: 2;
  }

  .zb-rail-marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--card);
    border: 2px solid var(--border);
    transition: background 0.4s, border-color 0.4s, box-shadow 0.4s, transform 0.4s;
  }

  .zb-rail-marker.passed {
    background: var(--accent);
    border-color: var(--accent);
  }

  .zb-rail-marker.active {
    background: var(--accent2);
    border-color: var(--accent2);
    transform: scale(1.5);
    box-shadow: 0 0 0 5px rgba(255,107,53,0.18), 0 0 14px rgba(255,107,53,0.75);
  }

  /* Traveling PC — sticky so it stays visible, plus subtle internal
     translate that follows the progress. */
  .zb-rail-pc {
    position: sticky;
    top: 100px;
    margin-left: 80px;
    z-index: 3;
    padding: 20px 0;
  }

  .zb-rail-pc-inner {
    transition: transform 0.7s cubic-bezier(0.65,0,0.35,1);
    transform: translateY(calc(var(--zb-progress) * 0.4px));
  }

  .zb-pc-svg {
    width: 130px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 6px 22px rgba(0,0,0,0.65));
  }
}

@media (min-width: 1024px) {
  .zb-scene { grid-template-columns: 1fr 270px; }
  .zb-pc-svg { width: 150px; }
}

/* ── MOBILE fallback: show a sticky mini PC at top of the scene ── */
@media (max-width: 767px) {
  .zb-scene-rail {
    display: block;
    position: sticky;
    top: 70px;
    z-index: 5;
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 12px;
    margin-bottom: 8px;
    order: -1;
  }
  .zb-rail-line,
  .zb-rail-progress,
  .zb-rail-markers { display: none; }
  .zb-rail-pc {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
  }
  .zb-rail-pc-inner {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .zb-pc-svg { width: 60px; }
  .zb-rail-counter {
    margin: 0;
    font-size: 22px;
    letter-spacing: 2px;
  }
}

/* ── HOW-TO BOX ── */
.zb-howto {
  background: linear-gradient(135deg, rgba(255,107,53,0.06), rgba(255,107,53,0.01));
  border: 1px solid rgba(255,107,53,0.25);
  border-radius: 18px;
  padding: 26px 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-direction: column;
}

.zb-howto-icon { font-size: 42px; line-height: 1; }

.zb-howto-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  color: var(--text);
  letter-spacing: 1px;
  margin: 4px 0 12px;
  line-height: 1.1;
}

.zb-howto-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.zb-howto-body p strong { color: var(--text); }

.zb-howto-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.zb-howto-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.zb-howto-list span { flex-shrink: 0; font-size: 15px; }

.zb-warn {
  background: rgba(255,60,60,0.06);
  border: 1px solid rgba(255,60,60,0.22);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.zb-warn strong { color: #ff8080; }
.zb-warn-icon { font-size: 20px; flex-shrink: 0; }

/* ── TIERS ── */
.zb-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.zb-tier {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.zb-tier:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

.zb-tier::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: #555;
  border-radius: 16px 16px 0 0;
}

.zb-tier.recommended::before { background: var(--accent); }
.zb-tier.enthusiast::before { background: var(--accent2); }

.zb-tier.recommended {
  background: #181a10;
  border-color: rgba(232,255,71,0.25);
}

.zb-tier.enthusiast {
  background: #1a120c;
  border-color: rgba(255,107,53,0.25);
}

.zb-tier-tag {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.zb-tier-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  line-height: 1;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.zb-tier-target {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 16px;
  min-height: 34px;
}

.zb-tier-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 52px;
  line-height: 1;
}
.zb-tier-price span { font-size: 24px; color: var(--muted); }

.zb-tier-range {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

.zb-tier-divider { height: 1px; background: var(--border); margin: 14px 0; }

.zb-tier-features { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.zb-tier-features li {
  font-size: 12px;
  color: #999;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}
.zb-tier-features li::before { content: '—'; color: var(--muted); flex-shrink: 0; }
.zb-tier.recommended .zb-tier-features li::before { color: var(--accent); }
.zb-tier.enthusiast .zb-tier-features li::before { color: var(--accent2); }

.zb-tier-time {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

/* ── ADDONS ── */
.zb-addons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 28px;
}

.zb-addon {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  display: flex;
  gap: 14px;
  align-items: center;
  transition: border-color 0.2s;
}

.zb-addon:hover { border-color: rgba(255,107,53,0.22); }

.zb-addon-icon {
  font-size: 24px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.zb-addon-body { flex: 1; }

.zb-addon-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.zb-addon-body p { font-size: 12px; color: var(--muted); line-height: 1.5; }

.zb-addon-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  color: var(--accent2);
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

/* ── TIMELINE ── */
.zb-timeline {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
}

.zb-tl-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  border-left: 3px solid var(--accent2);
}

.zb-tl-item.alt { border-left-color: var(--student); }

.zb-tl-time {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  color: var(--accent2);
  letter-spacing: 1px;
  line-height: 1;
}
.zb-tl-item.alt .zb-tl-time { color: var(--student); }

.zb-tl-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.zb-tl-body p { font-size: 12px; color: var(--muted); line-height: 1.6; }

.zb-total {
  margin-top: 20px;
  background: rgba(232,255,71,0.05);
  border: 1px solid rgba(232,255,71,0.22);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.zb-total-lbl {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.zb-total-val {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  color: var(--accent);
  letter-spacing: 1px;
  line-height: 1;
}
.zb-total-val span {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0;
}

.zb-total-alt .zb-total-val { color: var(--accent2); }

/* ── FORM ── */
.zb-form-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 8px;
}

.zb-form-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.zb-form-desc strong { color: var(--text); }

.zb-form-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.zb-form-bullets li {
  font-size: 13px;
  color: #aaa;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
}

.zb-form-card {
  background: #161616;
  border: 1px solid #272727;
  border-radius: 20px;
  padding: 32px 26px;
  position: relative;
}

/* ── FAQ shared ── */
.faq-list { display: flex; flex-direction: column; gap: 8px; margin-top: 28px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.open { border-color: rgba(255,107,53,0.28); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: none;
  border: none;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s;
}
.faq-question:hover { color: var(--accent2); }
.faq-icon {
  font-size: 20px;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.25s, color 0.15s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--accent2); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 20px 18px; }
.faq-answer p {
  font-size: 13px;
  color: #999;
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.faq-answer p strong { color: var(--text); }

/* ── STICKY WA ── */
.sticky-wa {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 900;
  background: #25D366;
  color: #fff;
  border-radius: 50px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.2s, box-shadow 0.2s, padding 0.3s;
  overflow: hidden;
}
.sticky-wa:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.5);
}
.sticky-wa-label {
  white-space: nowrap;
  transition: opacity 0.3s, max-width 0.3s;
  max-width: 200px;
  opacity: 1;
}
.sticky-wa.collapsed { padding: 14px; border-radius: 50%; }
.sticky-wa.collapsed .sticky-wa-label { max-width: 0; opacity: 0; overflow: hidden; }

/* ── DESKTOP ── */
@media (min-width: 768px) {
  .zb-hero { padding: 80px 0 60px; }

  .zb-hero-strip { max-width: 620px; }
  .zb-hero-strip-num { font-size: 32px; }

  .zb-steps { grid-template-columns: 1fr 1fr; }

  .zb-howto {
    flex-direction: row;
    padding: 32px 36px;
    align-items: flex-start;
  }
  .zb-howto-icon { font-size: 56px; }
  .zb-howto-title { font-size: 32px; }

  .zb-tiers { grid-template-columns: repeat(3, 1fr); }

  .zb-addons { grid-template-columns: 1fr 1fr; }

  .zb-tl-item {
    grid-template-columns: 140px 1fr;
    align-items: center;
    padding: 22px 26px;
  }

  .zb-total {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .zb-form-wrap {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
  }
}