/* ==========================================================
   zdolnechlopaki.pl — styles
   ========================================================== */

.page {
  position: relative;
  z-index: 2;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px 0;
}
@media (max-width: 900px) {
  .page { padding: 0 20px; }
}

em.hl {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
  letter-spacing: 0.005em;
}

html { scroll-padding-top: 96px; }

/* --------------- top bar --------------- */
.topbar {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 0;
  color: var(--ink-2);
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  flex-wrap: wrap;
}
.topbar-left, .topbar-right {
  display: flex; gap: 12px; align-items: center;
}
.tb-pill {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink);
  font-weight: 500;
}
.tb-led {
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 18%, transparent);
  animation: led 2.4s ease-in-out infinite;
}
@keyframes led { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.tb-sep { opacity: 0.5; }
.tb-muted { color: var(--muted); }

@media (max-width: 700px) {
  .topbar { font-size: 10.5px; padding: 8px 0; }
  .topbar-left { gap: 8px; }
  .topbar-left .tb-muted, .topbar-left .tb-sep { display: none; }
}

/* --------------- nav --------------- */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0 18px;
  border-bottom: 1px solid var(--line-soft);
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}
.nav-brand { line-height: 0; z-index: 3; }
.nav-logo {
  height: 48px; width: auto;
  filter: var(--logo-filter, none);
  transition: height 180ms ease;
}
:root[data-theme="terminal"] .nav-logo,
:root[data-theme="platform"] .nav-logo {
  filter: invert(0.92) hue-rotate(180deg) saturate(0);
}
.nav-burger {
  all: unset;
  display: none;
  cursor: pointer;
  width: 40px; height: 40px;
  position: relative;
  z-index: 3;
}
.nav-burger span {
  position: absolute; left: 8px; right: 8px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 220ms ease, opacity 180ms ease, top 220ms ease;
}
.nav-burger span:nth-child(1) { top: 14px; }
.nav-burger span:nth-child(2) { top: 20px; }
.nav-burger span:nth-child(3) { top: 26px; }
.nav.is-open .nav-burger span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav.is-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav-burger span:nth-child(3) { top: 20px; transform: rotate(-45deg); }
.nav-links {
  display: flex; gap: 26px; list-style: none; margin: 0; padding: 0;
  font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase;
}
.nav-links a {
  color: var(--ink-2); text-decoration: none;
  padding: 8px 2px; border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.nav-links a:hover {
  color: var(--ink); border-color: var(--accent);
}
.nav-meta {
  display: inline-flex; gap: 8px; align-items: center;
  font-size: 11.5px; color: var(--muted); letter-spacing: 0.06em;
}

@media (max-width: 900px) {
  .nav { padding: 14px 0 14px; gap: 12px; flex-wrap: nowrap; }
  .nav-logo { height: 40px; }
  .nav-burger { display: inline-block; z-index: 120; }
  .nav-brand { z-index: 120; }
  .nav-meta { display: none; }

  .nav-links {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 88px 24px 48px;
    margin: 0;
    font-size: 22px;
    letter-spacing: 0.04em;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition:
      transform 320ms cubic-bezier(.6,.05,.2,1),
      opacity 240ms ease,
      visibility 0s linear 320ms;
    z-index: 110;
    overflow-y: auto;
    border-bottom: none;
  }
  .nav.is-open .nav-links {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition:
      transform 320ms cubic-bezier(.6,.05,.2,1),
      opacity 240ms ease,
      visibility 0s linear 0s;
  }
  .nav-links li {
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-links a {
    display: block;
    padding: 22px 4px;
    color: var(--ink);
    border-bottom: none;
  }
  .nav-links a:hover { border-bottom: none; }
}
  }
  .nav-links a {
    display: block;
    padding: 22px 4px;
    color: var(--ink);
    border-bottom: none;
  }
  .nav-links a:hover { border-bottom: none; }
}
.nav-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #2BB36D;
  box-shadow: 0 0 0 3px rgba(43, 179, 109, 0.2);
}

/* --------------- hero --------------- */
.hero {
  padding: 72px 0 56px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 80px 1fr 360px;
  gap: 40px;
  align-items: flex-start;
}
.hero-grid:not(:has(.hero-side)) {
  grid-template-columns: 80px 1fr;
  max-width: 1100px;
}
@media (max-width: 1100px) {
  .hero-grid,
  .hero-grid:not(:has(.hero-side)) { grid-template-columns: 1fr; gap: 32px; }
}
.hero-meta {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  display: flex; gap: 36px;
  align-self: stretch;
  padding-top: 10px;
}
@media (max-width: 1100px) {
  .hero-meta { writing-mode: horizontal-tb; transform: none; flex-direction: row; gap: 22px; }
}

.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-2);
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  margin-bottom: 28px;
  background: var(--bg-raised);
}
.hero-kicker-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

.hero-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  font-size: clamp(48px, 7.5vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 0 0 36px;
  text-wrap: pretty;
}
.hero-title-row {
  display: block;
}
.hero-title-accent {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.hero-lede {
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.45;
  color: var(--ink);
  max-width: 42ch;
  margin: 0 0 32px;
  letter-spacing: -0.005em;
}

.hero-tag {
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.3;
  color: var(--ink-2);
  max-width: 640px;
  margin: 0 0 48px;
  padding-left: 20px;
  border-left: 2px solid var(--accent);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 22px 0;
  margin-top: 12px;
}
@media (max-width: 800px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
.stat-n {
  font-family: "Space Grotesk", sans-serif;
  font-size: 40px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.stat-l {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
}

/* departure board */
.hero-side { align-self: stretch; }
.depart-board {
  border: 1px solid var(--line);
  background: var(--bg-raised);
  padding: 0;
  font-size: 13px;
  box-shadow:
    0 0 0 1px var(--line-soft),
    16px 16px 0 -1px var(--line-soft);
}
.depart-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--bg);
  letter-spacing: 0.2em;
  font-size: 11.5px;
  font-weight: 600;
}
:root[data-theme="terminal"] .depart-head { background: var(--accent); color: #0B0D10; }
:root[data-theme="platform"] .depart-head { background: var(--accent); color: #0F1B33; }

.depart-row {
  display: grid;
  grid-template-columns: 56px 1fr 48px 40px;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px dashed var(--line-soft);
  align-items: center;
  font-size: 13px;
}
.depart-row:last-of-type { border-bottom: none; }
.dr-time { font-weight: 600; color: var(--ink); }
.dr-to { color: var(--ink); }
.dr-track { color: var(--muted); text-align: right; }
.dr-status {
  color: var(--muted); text-align: right; font-size: 11px;
  letter-spacing: 0.08em;
}
.depart-row.is-delayed .dr-time { color: var(--accent); }
.depart-row.is-delayed .dr-status { color: var(--accent); font-weight: 600; }
.depart-foot {
  padding: 12px 16px;
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: 0.06em;
  border-top: 1px solid var(--line-soft);
  background: transparent;
}

.hero-rail { margin-top: 56px; }

/* --------------- rail line --------------- */
.rail-line {
  position: relative;
  height: 18px;
  display: flex; align-items: center;
}
.rail-track {
  position: absolute; left: 0; right: 0; top: 50%;
  height: 1px; background: var(--rail-tick);
  transform: translateY(-0.5px);
}
.rail-dots {
  position: relative; width: 100%;
  display: flex; justify-content: space-between;
}
.rail-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--line);
}
.rail-dot.is-active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 20%, transparent);
}

/* --------------- section framework --------------- */
.sec {
  padding: 96px 0;
  border-top: 1px solid var(--line-soft);
}
.sec-head {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  margin-bottom: 56px;
  align-items: flex-start;
}
@media (max-width: 800px) {
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
}
.sec-num {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.08em;
  padding-top: 12px;
}
.sec-kicker {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.sec-title {
  font-size: clamp(36px, 4.2vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin: 0;
  text-wrap: pretty;
  max-width: 22ch;
}
.sec-sub {
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 60ch;
  margin: 22px 0 0;
}

/* --------------- services --------------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--line-soft);
}
@media (max-width: 800px) {
  .svc-grid { grid-template-columns: 1fr; }
}
.svc {
  padding: 36px 32px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-raised);
  transition: background 180ms ease;
}
.svc:hover {
  background: color-mix(in oklab, var(--accent) 4%, var(--bg-raised));
}
.svc:nth-child(2n) { border-right: none; }
.svc:nth-last-child(-n+2) { border-bottom: none; }
@media (max-width: 800px) {
  .svc { border-right: none; }
  .svc:nth-last-child(-n+2) { border-bottom: 1px solid var(--line-soft); }
  .svc:last-child { border-bottom: none; }
}
.svc-top {
  display: flex; justify-content: space-between;
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--muted); text-transform: uppercase;
  margin-bottom: 28px;
}
.svc-title {
  font-size: 30px; font-weight: 500; letter-spacing: -0.015em;
  margin: 0 0 16px;
}
.svc-body {
  margin: 0 0 24px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 48ch;
}
.svc-bullets {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.svc-bullets li::before {
  content: "→ ";
  color: var(--accent);
}

/* --------------- railway --------------- */
.sec-rail .rail-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 64px;
}
@media (max-width: 1000px) {
  .sec-rail .rail-grid { grid-template-columns: 1fr; gap: 40px; }
}
.rail-col-main .lede {
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 20px;
  max-width: 48ch;
}
.rail-domains {
  list-style: none; margin: 28px 0 0; padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}
.rail-domains li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 20px 16px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  min-width: 0;
}
.rail-domains li span {
  font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 4px;
  text-align: center;
  border-radius: 2px;
  font-weight: 600;
  white-space: nowrap;
}
.rail-col-side {
  align-self: stretch;
}
.rail-quote {
  border: 1px solid var(--line);
  padding: 32px 28px;
  background: var(--bg-raised);
  position: relative;
  box-shadow: 12px 12px 0 -1px var(--line-soft);
  font-family: "Space Grotesk", sans-serif;
}
.rq-mark {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: 96px;
  line-height: 0.8;
  color: var(--accent);
  margin-bottom: 8px;
  height: 56px;
  overflow: hidden;
}
.rq-text {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 20px;
  letter-spacing: 0.005em;
}
.rq-foot {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.rail-facts {
  border: 1px solid var(--line);
  padding: 0;
  background: var(--bg-raised);
  box-shadow: 12px 12px 0 -1px var(--line-soft);
}
.rf {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line-soft);
}
.rf:last-child { border-bottom: none; }
.rf-n {
  font-family: "Space Grotesk", sans-serif;
  font-size: 44px; line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 8px;
}
.rf-l {
  font-family: "Space Grotesk", sans-serif;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
}

/* --------------- stack --------------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid var(--line-soft);
  margin-bottom: 48px;
}
@media (max-width: 1100px) {
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}
.stack-col {
  padding: 24px 18px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.stack-col:last-child { border-right: none; }
.stack-label {
  font-size: 11px; letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 14px;
}
.stack-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  font-size: 14px;
  color: var(--ink);
}
.stack-list li {
  position: relative;
  padding-left: 14px;
}
.stack-list li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 6px; height: 1px; background: var(--accent);
}

/* ticker */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 14px 0;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.ticker-track {
  display: flex; gap: 44px;
  animation: ticker 40s linear infinite;
  width: max-content;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.ticker-item {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}
.ticker-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

/* --------------- process --------------- */
.process-board {
  border: 1px solid var(--line);
  background: var(--bg-raised);
}
.pb-head {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 24px;
  background: var(--ink);
  color: var(--bg);
  font-size: 12px;
  letter-spacing: 0.2em;
  font-weight: 600;
}
:root[data-theme="terminal"] .pb-head { background: var(--accent); color: #0B0D10; }
:root[data-theme="platform"] .pb-head { background: var(--accent); color: #0F1B33; }
.pb-dash {
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
}

.process-list {
  list-style: none; margin: 0; padding: 0;
}
.pstop {
  display: grid;
  grid-template-columns: 120px 60px 1fr;
  gap: 0;
  padding: 28px 24px;
  border-bottom: 1px solid var(--line-soft);
  align-items: flex-start;
}
.pstop:last-child { border-bottom: none; }
@media (max-width: 800px) {
  .pstop { grid-template-columns: 80px 40px 1fr; padding: 20px 16px; }
}
.pstop-left {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--muted);
}
.pstop-code {
  width: 28px; height: 28px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
}
.pstop-h {
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.pstop-line {
  position: relative;
  align-self: stretch;
  display: flex; justify-content: center;
  padding-top: 8px;
}
.pstop-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg-raised);
  border: 2px solid var(--ink);
  z-index: 2;
}
.pstop-rail {
  position: absolute; top: 16px; bottom: -28px;
  width: 1.5px;
  background: var(--line-soft);
  z-index: 1;
}
.pstop-body h4 {
  font-size: 22px; font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}
.pstop-body p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 60ch;
}

/* --------------- projects --------------- */
.proj-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line-soft);
}
@media (max-width: 1100px) {
  .proj-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .proj-grid { grid-template-columns: 1fr; }
}
.proj {
  padding: 36px 32px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-raised);
  position: relative;
  display: flex; flex-direction: column;
  min-height: 280px;
}
.proj:nth-child(3n) { border-right: none; }
.proj:nth-last-child(-n+3) { border-bottom: none; }
@media (max-width: 1100px) {
  .proj:nth-child(3n) { border-right: 1px solid var(--line-soft); }
  .proj:nth-child(2n) { border-right: none; }
  .proj:nth-last-child(-n+3) { border-bottom: 1px solid var(--line-soft); }
  .proj:nth-last-child(-n+2) { border-bottom: none; }
}
@media (max-width: 700px) {
  .proj { border-right: none; min-height: 220px; }
  .proj:nth-child(2n) { border-right: none; }
  .proj:nth-last-child(-n+2) { border-bottom: 1px solid var(--line-soft); }
  .proj:last-child { border-bottom: none; }
}
.proj-tag {
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 20px;
}
.proj-title {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.proj-role {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}
.proj-body {
  margin: 0 0 28px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 48ch;
  flex: 1;
}
.proj-foot {
  display: flex; justify-content: space-between;
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--muted); text-transform: uppercase;
  border-top: 1px dashed var(--line-soft);
  padding-top: 14px;
}
.proj-stamp {
  color: var(--ink);
  border: 1px solid var(--line-soft);
  padding: 2px 8px;
  border-radius: 2px;
  font-weight: 600;
}

/* --------------- contact --------------- */
.sec-contact {
  padding: 120px 0 80px;
  text-align: left;
}
.contact-inner {
  max-width: 1120px;
}
.contact-kicker {
  font-size: 12px; letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 20px;
}
.contact-title {
  font-size: clamp(48px, 7vw, 100px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0 0 32px;
}
.contact-sub {
  font-size: clamp(20px, 2.2vw, 28px);
  color: var(--ink-2);
  line-height: 1.4;
  max-width: 60ch;
  margin: 0 0 48px;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
}
.contact-mail {
  display: inline-flex; align-items: center; gap: 16px;
  font-size: clamp(26px, 3vw, 44px);
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding: 6px 0;
  transition: color 180ms ease, letter-spacing 180ms ease;
  letter-spacing: -0.01em;
}
.contact-mail:hover {
  color: var(--accent);
  letter-spacing: 0;
}
.contact-mail-arrow {
  font-size: 0.7em;
  color: var(--accent);
  transition: transform 180ms ease;
}
.contact-mail:hover .contact-mail-arrow {
  transform: translate(4px, -4px);
}
.contact-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 72px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
}
@media (max-width: 800px) {
  .contact-meta { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
.cm-l {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 8px;
}
.contact-meta > div > div:last-child {
  font-size: 14px;
  color: var(--ink);
}
.contact-rail { margin-top: 80px; }

/* --------------- footer --------------- */
.footer {
  border-top: 1px solid var(--line-soft);
  padding: 28px 0 40px;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-right {
  display: inline-flex; align-items: center; gap: 8px;
}

/* ==========================================================
   Tweaks panel
   ========================================================== */
.tweaks-panel {
  position: fixed;
  right: 20px; bottom: 20px;
  width: 320px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  color: var(--ink);
  z-index: 100;
  font-size: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.18);
}
.tp-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px;
  background: var(--ink);
  color: var(--bg);
  letter-spacing: 0.18em;
  font-weight: 600;
  font-size: 11px;
}
.tp-x {
  all: unset; cursor: pointer;
  width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px; line-height: 1;
  opacity: 0.8;
}
.tp-x:hover { opacity: 1; }

.tp-group {
  padding: 14px;
  border-bottom: 1px solid var(--line-soft);
}
.tp-label {
  font-size: 10.5px; letter-spacing: 0.14em;
  color: var(--muted); text-transform: uppercase;
  margin-bottom: 10px;
}
.tp-themes { display: flex; flex-direction: column; gap: 6px; }
.tp-theme {
  all: unset; cursor: pointer;
  display: grid;
  grid-template-columns: 16px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  color: var(--ink);
  transition: border-color 150ms ease, background 150ms ease;
}
.tp-theme:hover { border-color: var(--line); }
.tp-theme.is-on {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}
.tp-theme-dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 1px solid var(--line-soft);
}
.tp-theme-signal { background: #F3EFE7; border-color: #EC5B16; }
.tp-theme-terminal { background: #0B0D10; border-color: #FF7A2E; }
.tp-theme-platform { background: #0F1B33; border-color: #F5872B; }
.tp-theme-name { font-weight: 600; }
.tp-theme-sub { color: var(--muted); font-size: 10.5px; letter-spacing: 0.08em; }

.tp-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  color: var(--ink);
  font-family: inherit;
  font-size: 12px;
  padding: 8px;
  resize: vertical;
  line-height: 1.4;
}
.tp-textarea:focus { outline: none; border-color: var(--accent); }

.tp-row {
  display: flex; justify-content: space-between; align-items: center;
}
.tp-row .tp-label { margin-bottom: 0; }

.tp-toggle {
  all: unset; cursor: pointer;
  padding: 4px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.tp-toggle.is-on {
  color: var(--accent);
  border-color: var(--accent);
}

.tp-foot {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}

/* ---- theme-specific overrides ---- */
:root[data-theme="terminal"] .svc:hover {
  background: color-mix(in oklab, var(--accent) 10%, var(--bg-raised));
}
:root[data-theme="terminal"] .rail-dot {
  background: var(--bg);
  border-color: var(--line);
}
:root[data-theme="platform"] .rail-dot {
  background: var(--bg);
  border-color: var(--line);
}

/* logo color-swap per theme */
:root[data-theme="signal"] .nav-logo {
  filter: none;
}