/* Rung Coder — home page layout */

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 96px) 0 96px; overflow: clip; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 20%, transparent 75%);
}
.hero-glow {
  position: absolute; top: -20%; right: -10%; width: 60vw; height: 60vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(58, 232, 170, 0.16), transparent 62%);
  filter: blur(20px);
}
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero-title {
  font-size: clamp(40px, 5.2vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 700;
  text-wrap: balance;
}
.hero-title .accent { color: var(--accent); }
/* German runs a third longer than English; keep the headline to three lines. */
[data-locale="de"] .hero-title { font-size: clamp(34px, 4.3vw, 56px); }
.hero-sub { margin-top: 26px; max-width: 54ch; font-size: 19px; line-height: 1.65; color: var(--fg-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-badges { list-style: none; margin: 34px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: 520px; }
.hero-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: var(--radius-md);
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.025);
  font-size: 14px; font-weight: 500; color: var(--fg-2);
}
.hero-badge .icon { color: var(--accent); width: 18px; height: 18px; }
.hero-badge.is-success { border-color: var(--line-accent); color: var(--fg); }

.hero-visual { position: relative; }
.device {
  margin: 0; border-radius: var(--radius-lg); overflow: hidden;
  background: #0d1015; border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-panel), 0 0 0 8px rgba(255, 255, 255, 0.02);
}
.device-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: #11151b; }
.device-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--bg-3); }
.device-bar span:first-child { background: #ff5f57; } .device-bar span:nth-child(2) { background: #febc2e; } .device-bar span:nth-child(3) { background: #28c840; }
.device-bar em { margin-left: 10px; font-style: normal; font-size: 12px; color: var(--fg-4); letter-spacing: 0.06em; }
/* Matches the render's own ratio, so the reserved box never crops it. */
.device img { width: 100%; height: auto; aspect-ratio: 1400 / 1267; object-fit: cover; }
.device-caption { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); background: #11151b; font-size: 13.5px; color: var(--fg-3); }
.device-caption .icon { color: var(--accent); width: 18px; height: 18px; }

.readout {
  position: absolute; left: -28px; bottom: 34px; width: 300px;
  padding: 14px 16px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel), var(--shadow-glow);
}
.readout-head { display: flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); }
/* Lines stack in one grid cell so the card sizes to the longest of them —
   the German values run to three words and must wrap, not clip. */
.readout-lines { display: grid; margin-top: 12px; }
.readout-line { grid-area: 1 / 1; display: grid; gap: 4px; opacity: 0; transform: translateY(6px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.readout-line.is-on { opacity: 1; transform: none; }
.readout-value { font-size: 16px; line-height: 1.35; font-weight: 500; color: var(--accent); letter-spacing: -0.01em; text-wrap: balance; }
.readout-label { font-size: 12.5px; color: var(--fg-3); line-height: 1.4; }

/* ---------- Problem ---------- */
.problem-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 64px; }
.problem-card { padding: 28px; display: flex; flex-direction: column; gap: 14px; transition: border-color 0.25s, transform 0.3s var(--ease); }
.problem-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.problem-top { display: flex; justify-content: space-between; align-items: center; }
.problem-index { font-size: 12px; color: var(--fg-4); letter-spacing: 0.12em; }
.problem-card h3 { font-size: 21px; line-height: 1.3; text-wrap: balance; }
.problem-body { color: var(--fg-3); font-size: 15.5px; }
.problem-solution { margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line-strong); display: grid; gap: 8px; }
.solution-tag { display: inline-flex; align-items: center; gap: 6px; width: max-content; padding: 3px 10px; border-radius: var(--radius-pill); background: var(--accent-soft); color: var(--accent); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; }
.solution-tag .icon { width: 14px; height: 14px; }
.problem-solution p { font-size: 15px; color: var(--fg-2); }

/* ---------- Features (bento) ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; margin-top: 56px; }
.feature-card { grid-column: span 2; padding: 30px; display: grid; gap: 16px; align-content: start; transition: border-color 0.25s, background 0.25s, transform 0.3s var(--ease); }
/* Bento: [4][2] / [2][4] / [3][3] — six cards, no orphan row. */
.feature-card:nth-child(1), .feature-card:nth-child(4) { grid-column: span 4; }
.feature-card:nth-child(5), .feature-card:nth-child(6) { grid-column: span 3; }
/* Chinese: the two sentences each take a line instead of breaking inside 没变过. */
[data-locale="zh"] .problem-accent { display: block; }
.feature-card:hover { border-color: var(--line-accent); background: linear-gradient(180deg, rgba(58, 232, 170, 0.05), rgba(255, 255, 255, 0.015)); transform: translateY(-2px); }
.feature-card h3 { font-size: 21px; line-height: 1.3; text-wrap: balance; }
.feature-card p { color: var(--fg-3); font-size: 15.5px; }

/* ---------- Verification loop ---------- */
.loop-panel {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center;
  padding: 64px; border-radius: var(--radius-xl);
  background: radial-gradient(120% 140% at 100% 0%, rgba(58, 232, 170, 0.12), transparent 50%), linear-gradient(180deg, #11161d, #0c1015);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-panel);
}
.loop-copy h2 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.1; letter-spacing: -0.02em; text-wrap: balance; }
.loop-body { margin-top: 20px; font-size: 16.5px; color: var(--fg-2); }
.loop-stats { display: grid; gap: 10px; margin-top: 30px; }
.loop-stat { display: grid; gap: 4px; padding: 14px 16px; border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); }
.loop-stat strong { font-size: 17px; color: var(--accent); font-weight: 500; letter-spacing: -0.01em; }
.loop-stat span { font-size: 13px; color: var(--fg-3); }

.loop { position: relative; padding: 8px 0 0; }
.loop-rail { position: absolute; left: 27px; top: 34px; bottom: 74px; width: 2px; background: var(--line); }
.loop-rail-fill { position: absolute; left: 0; top: 0; width: 100%; height: var(--progress, 0%); background: var(--accent); box-shadow: 0 0 12px var(--accent); transition: height 0.9s var(--ease); }
.loop-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.loop-step { display: grid; grid-template-columns: 56px auto 1fr; align-items: center; gap: 14px; padding: 8px 12px 8px 0; border-radius: var(--radius-md); transition: background 0.3s; }
.loop-step.is-on { background: rgba(255, 255, 255, 0.04); }
.loop-node { position: relative; z-index: 1; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-2); border: 1px solid var(--line-strong); color: var(--fg-3); transition: border-color 0.3s, color 0.3s, box-shadow 0.3s, background 0.3s; }
.loop-step.is-done .loop-node { border-color: var(--line-accent); color: var(--accent); }
.loop-step.is-on .loop-node { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 6px var(--accent-soft), 0 0 30px var(--accent-glow); }
.loop-index { font-size: 12px; color: var(--fg-4); letter-spacing: 0.12em; }
.loop-step.is-on .loop-index { color: var(--accent); }
.loop-label { font-size: 16px; color: var(--fg-3); transition: color 0.3s; }
.loop-step.is-on .loop-label, .loop-step.is-done .loop-label { color: var(--fg); }
.loop-status { display: flex; align-items: center; gap: 10px; margin-top: 22px; padding: 12px 16px; border-radius: var(--radius-md); background: #0b0e12; border: 1px solid var(--line); font-size: 13px; color: var(--accent); min-height: 46px; }
.loop-status .led { animation: blink 1.4s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.35; } }

/* ---------- Safety ---------- */
.safety-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: end; }
.safety-body { color: var(--fg-2); font-size: 16.5px; }
.safety-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 48px; }
.safety-stat { padding: 24px 26px; display: grid; gap: 6px; }
.safety-stat strong { font-family: var(--font-display); font-size: 19px; color: var(--accent); }
.safety-stat span { font-size: 14px; color: var(--fg-3); }
.timeline { list-style: none; margin: 56px 0 0; padding: 0; position: relative; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.timeline::before { content: ""; position: absolute; left: 8.33%; right: 8.33%; top: 26px; height: 1px; background: linear-gradient(90deg, var(--line), var(--line-accent), var(--line)); }
.timeline-step { position: relative; display: grid; justify-items: center; gap: 12px; text-align: center; }
.timeline-node { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-1); border: 1px solid var(--line-strong); color: var(--fg-2); }
.timeline-step.is-final .timeline-node { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: 0 0 24px var(--accent-glow); }
.timeline-index { font-size: 11px; color: var(--fg-4); letter-spacing: 0.14em; }
.timeline-label { font-size: 14px; color: var(--fg-2); text-wrap: balance; max-width: 18ch; }

/* ---------- Demo ---------- */
.terminal-wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 28px; margin-top: 56px; align-items: stretch; }
.terminal { border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.terminal-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); background: #10141a; }
.terminal-kicker { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--fg-2); }
.terminal-kicker .icon { color: var(--accent); width: 18px; height: 18px; }
.terminal-live { display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.terminal-live .led { animation: blink 1.4s ease-in-out infinite; }
.terminal-body { position: relative; flex: 1; padding: 22px 24px; background: #0a0d11; }
.terminal-body pre { margin: 0; font-size: 13.5px; line-height: 1.8; white-space: pre-wrap; word-break: break-word; }
.terminal-ghost { color: rgba(255, 255, 255, 0.07); }
.terminal-typed { position: absolute; inset: 22px 24px; color: var(--accent); }
.terminal-typed.is-static .demo-caret { display: none; }
.demo-caret { display: inline-block; width: 8px; height: 1.1em; vertical-align: -0.2em; margin-left: 2px; background: var(--accent); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.terminal-aside { padding: 30px; border-radius: var(--radius-lg); background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)); border: 1px solid var(--line); display: grid; align-content: start; gap: 14px; }
.terminal-aside h3 { font-size: 22px; line-height: 1.3; text-wrap: balance; }
.terminal-aside p { color: var(--fg-3); font-size: 15px; }
.terminal-stats { margin: 10px 0 0; display: grid; gap: 8px; }
.terminal-stats div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); }
.terminal-stats dt { font-size: 13px; color: var(--fg-3); }
.terminal-stats dd { margin: 0; font-size: 14px; color: var(--fg); }

/* ---------- How ---------- */
.how-grid { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.how-step { position: relative; padding: 30px; display: grid; gap: 14px; align-content: start; }
.how-number { position: absolute; top: 22px; right: 24px; font-size: 12px; color: var(--fg-4); letter-spacing: 0.14em; }
.how-step h3 { font-size: 20px; }
.how-step p { color: var(--fg-3); font-size: 15px; }
.how-note { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 28px; font-size: 14px; color: var(--fg-3); text-align: center; }
.how-note .icon { color: var(--accent); width: 18px; height: 18px; }

/* ---------- Pricing ---------- */
.price-panel {
  margin-top: 56px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 0;
  border-radius: var(--radius-xl); overflow: hidden;
  background: radial-gradient(90% 100% at 0% 0%, rgba(242, 184, 75, 0.1), transparent 55%), linear-gradient(180deg, #12171e, #0c1015);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-panel);
}
.price-main { padding: 56px; display: grid; align-content: start; gap: 18px; }
.price-flash { display: inline-flex; align-items: center; gap: 10px; width: max-content; padding: 8px 14px; border-radius: var(--radius-pill); background: var(--warn); color: #2b1c05; font-size: 13px; font-weight: 700; }
.price-flash .icon { width: 16px; height: 16px; }
.price-flash span { font-weight: 500; opacity: 0.85; border-left: 1px solid rgba(0, 0, 0, 0.2); padding-left: 10px; }
.price-amount { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.price-value { font-family: var(--font-display); font-size: clamp(64px, 8vw, 104px); font-weight: 700; letter-spacing: -0.04em; line-height: 1; color: var(--fg); }
.price-period { font-size: 22px; color: var(--fg-2); }
.price-old { display: inline-flex; align-items: baseline; gap: 8px; color: var(--fg-4); }
.price-old small { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.price-old s { font-family: var(--font-display); font-size: 26px; text-decoration-color: var(--warn); }
.price-perday { color: var(--accent); font-weight: 600; }
.btn-lg { min-height: 56px; padding: 0 30px; font-size: 16px; }
.price-main .btn { width: max-content; margin-top: 8px; }
.price-includes { padding: 56px 48px; border-left: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.price-includes-label { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-4); margin-bottom: 14px; }
.price-includes ul { list-style: none; margin: 0; padding: 0; display: grid; }
.price-includes li { display: flex; align-items: center; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 15.5px; color: var(--fg); }
.price-includes li .icon { color: var(--accent); width: 18px; height: 18px; }
.price-guarantees { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); background: #0a0d11; }
.price-guarantee { display: flex; gap: 14px; align-items: center; padding: 22px 32px; border-right: 1px solid var(--line); }
.price-guarantee:last-child { border-right: 0; }
.price-guarantee .icon { color: var(--warn); width: 24px; height: 24px; }
.price-guarantee div { display: grid; gap: 2px; }
.price-guarantee strong { font-size: 14.5px; }
.price-guarantee span { font-size: 13px; color: var(--fg-3); }

/* ---------- Testimonials ---------- */
.quote-track { margin-top: 48px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.quote { margin: 0; padding: 28px; display: flex; flex-direction: column; gap: 22px; }
.quote blockquote { margin: 0; }
.quote blockquote p { font-size: 15.5px; color: var(--fg-2); line-height: 1.7; }
.quote blockquote p::before { content: "“"; display: block; font-family: var(--font-display); font-size: 40px; line-height: 0.6; color: var(--accent); margin-bottom: 12px; }
.quote figcaption { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.quote-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; background: var(--bg-3); display: grid; place-items: center; font-weight: 700; font-size: 13px; color: var(--fg); }
.quote figcaption span { display: grid; }
.quote figcaption strong { font-size: 14.5px; }
.quote figcaption em { font-style: normal; font-size: 13px; color: var(--fg-3); }

/* ---------- Final CTA ---------- */
.final-panel {
  position: relative; overflow: hidden; text-align: center; padding: 88px 40px;
  border-radius: var(--radius-xl); border: 1px solid var(--line-accent);
  background: radial-gradient(60% 80% at 50% 100%, rgba(58, 232, 170, 0.22), transparent 60%), linear-gradient(180deg, #10151b, #0b0e12);
}
.final-rungs { position: absolute; inset: 0; background-image: repeating-linear-gradient(90deg, transparent 0 118px, rgba(255, 255, 255, 0.05) 118px 119px); mask-image: linear-gradient(180deg, transparent, #000 40%, transparent); -webkit-mask-image: linear-gradient(180deg, transparent, #000 40%, transparent); pointer-events: none; }
.final-panel h2 { position: relative; font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.02em; text-wrap: balance; }
.final-panel p { position: relative; margin: 16px 0 30px; color: var(--fg-2); font-size: 18px; }
.final-panel .btn { position: relative; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 760px; }
  .readout { left: 12px; bottom: 76px; }
  .feature-card, .feature-card:nth-child(1), .feature-card:nth-child(4), .feature-card:nth-child(5), .feature-card:nth-child(6) { grid-column: span 3; }
  .loop-panel { grid-template-columns: 1fr; padding: 44px; gap: 40px; }
  .safety-head { grid-template-columns: 1fr; gap: 20px; }
  .timeline { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 12px; }
  .timeline::before { display: none; }
  .terminal-wrap { grid-template-columns: 1fr; }
  .price-panel { grid-template-columns: 1fr; }
  .price-includes { border-left: 0; border-top: 1px solid var(--line); }
  .quote-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .hero { padding-top: calc(var(--nav-h) + 56px); padding-bottom: 64px; }
  .hero-badges { grid-template-columns: 1fr; }
  .readout { position: static; width: auto; margin-top: 14px; }
  .problem-grid, .safety-stats, .how-grid, .quote-grid { grid-template-columns: 1fr; }
  .feature-card, .feature-card:nth-child(1), .feature-card:nth-child(4), .feature-card:nth-child(5), .feature-card:nth-child(6) { grid-column: span 6; }
  .loop-panel { padding: 28px 20px; }
  .loop-step { grid-template-columns: 44px auto 1fr; gap: 10px; }
  .loop-node { width: 44px; height: 44px; }
  .loop-rail { left: 21px; }
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-main, .price-includes { padding: 32px 22px; }
  .price-guarantees { grid-template-columns: 1fr; }
  .price-guarantee { border-right: 0; border-bottom: 1px solid var(--line); }
  .price-main .btn { width: 100%; }
  .final-panel { padding: 56px 22px; }
}