/* ================================================
   dynavec · modern minimal
   ================================================ */

:root {
  --bg:        #ffffff;
  --surface:   #fafafa;
  --subtle:    #f3f3f3;

  --fg:        #0d0d0d;
  --fg-2:      #3a3a3a;
  --fg-3:      #6a6a6a;
  --fg-4:      #9a9a9a;

  --border:    #e8e8e8;
  --border-md: #cecece;

  --accent:    #e8623b;
  --accent-dk: #c44820;
  --accent-bg: #fff3ef;

  --dark:      #0d0d0d;
  --dark-fg:   #f0f0f0;
  --dark-sub:  #6a6a6a;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  /* Backward-compat aliases — docs.css and dashboard use these */
  --muted:       var(--fg-3);
  --faint:       var(--fg-4);
  --accent-ink:  var(--accent-dk);
  --accent-soft: var(--accent-bg);
  --line:        var(--border);
  --line-strong: var(--border-md);
  --shadow:      var(--sh);

  --max:   1080px;
  --nav-h: 60px;
  --r:     8px;
  --r-lg:  14px;

  --sh-sm: 0 1px 4px rgba(0,0,0,.05);
  --sh:    0 4px 20px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);
  --sh-lg: 0 16px 56px rgba(0,0,0,.10), 0 4px 14px rgba(0,0,0,.06);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t: 0.18s var(--ease);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  border-top: 2px solid var(--accent);
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff;
  padding: 8px 14px; z-index: 200; font-size: 14px;
}
.skip:focus { left: 8px; top: 8px; }

/* ================================================
   NAVIGATION
   ================================================ */

.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t);
}
.nav.is-stuck { border-bottom-color: var(--border); }

.nav__inner { display: flex; align-items: center; height: 100%; }

.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; flex-shrink: 0; }
.brand__mark { color: var(--accent); }
.brand__name { font-family: var(--mono); font-weight: 700; font-size: 17px; letter-spacing: -0.03em; }

.nav__links { display: flex; gap: 2px; margin-left: 16px; margin-right: auto; }
.nav__links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-3);
  padding: 6px 10px;
  border-radius: 6px;
  transition: color var(--t), background var(--t);
}
.nav__links a:hover { color: var(--fg); background: var(--subtle); }

.star { font-size: 13px; padding: 7px 14px; flex-shrink: 0; }
.star span[aria-hidden="true"] { color: var(--accent); }
.star__count { font-family: var(--mono); font-weight: 700; }

/* ================================================
   BUTTONS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 10px 20px;
  border-radius: var(--r);
  border: 1.5px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t), transform 0.1s;
}
.btn:active { transform: translateY(1px); }

.btn--solid {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.btn--solid:hover { background: #1e1e1e; border-color: #1e1e1e; }

.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-md);
}
.btn--ghost:hover { background: var(--subtle); }

/* ================================================
   HERO
   ================================================ */

.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__col { min-width: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1.5px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero__title {
  font-size: clamp(38px, 5.2vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin-bottom: 22px;
  max-width: 16ch;
}
.hero__title .u {
  color: var(--accent);
  text-decoration: none;
}

.hero__lede {
  font-size: 17px;
  color: var(--fg-2);
  max-width: 58ch;
  margin-bottom: 30px;
  line-height: 1.72;
}
.hero__lede strong { color: var(--fg); font-weight: 600; }

.install { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.install__row {
  display: inline-flex;
  align-items: center;
  background: var(--subtle);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}
.install__row code {
  font-family: var(--mono);
  font-size: 13px;
  padding: 10px 14px;
  white-space: nowrap;
  color: var(--fg);
}
.copy {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border: none;
  border-left: 1px solid var(--border);
  background: transparent;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--fg-4);
  align-self: stretch;
  transition: background var(--t), color var(--t);
}
.copy:hover { background: var(--accent); color: #fff; }
.copy.is-done { color: var(--accent); background: var(--accent-bg); }

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

.hero__media { min-width: 0; }

/* YouTube video (kept for explainer page) */
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--sh-lg);
  background: #000;
}
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.hero__stats {
  list-style: none;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero__stats li { display: flex; flex-direction: column; gap: 5px; padding-right: 24px; }
.stat__n { font-family: var(--mono); font-size: 30px; font-weight: 700; letter-spacing: -0.04em; color: var(--fg); line-height: 1; }
.stat__l { font-size: 12.5px; color: var(--fg-3); }

/* ================================================
   BUILT ON AWS
   ================================================ */

.builton {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.builton__eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 20px;
}

.stack { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.stack__plus { font-family: var(--mono); font-size: 22px; color: var(--border-md); line-height: 1; flex-shrink: 0; }

.svc {
  flex: 1 1 300px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg);
  transition: box-shadow var(--t), transform var(--t), border-color var(--t);
}
.svc:hover { box-shadow: var(--sh); transform: translateY(-2px); border-color: var(--border-md); }

.svc__icon { flex-shrink: 0; line-height: 0; }
.svc__body { display: flex; flex-direction: column; gap: 3px; }
.svc__name { font-weight: 700; font-size: 15.5px; letter-spacing: -0.02em; }
.svc__ext { color: var(--fg-4); font-size: 13px; font-weight: 400; }
.svc:hover .svc__ext { color: var(--accent); }
.svc__role { font-size: 13px; color: var(--fg-3); }

.builton__note { margin-top: 20px; font-size: 14px; color: var(--fg-3); }
.builton__note strong { color: var(--fg); font-weight: 600; }

@media (max-width: 620px) { .stack__plus { display: none; } }

.svc-link {
  text-decoration: none;
  border-bottom: 1px solid var(--border-md);
  transition: color var(--t), border-color var(--t);
}
.svc-link:hover { color: var(--accent); border-color: var(--accent); }

/* ================================================
   SECTIONS
   ================================================ */

.section { padding: 96px 0; border-bottom: 1px solid var(--border); }
.section--alt { background: var(--surface); }

.section__title {
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.section__title::after {
  content: "";
  display: block;
  width: 30px;
  height: 2.5px;
  background: var(--accent);
  margin-top: 16px;
  border-radius: 2px;
}
.section__lede { font-size: 17px; color: var(--fg-2); max-width: 62ch; margin: 14px 0 44px; line-height: 1.7; }

/* ================================================
   CARDS & GRID
   ================================================ */

.grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); gap: 20px; background: transparent; border: none; border-radius: 0; overflow: visible; }

.card { background: var(--bg); padding: 30px 26px; position: relative; transition: background var(--t); }
.grid--3 .card:hover { background: var(--surface); }

.grid--2 .card {
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: box-shadow var(--t), border-color var(--t);
}
.grid--2 .card:hover { box-shadow: var(--sh); border-color: var(--border-md); }

.card__no { font-family: var(--mono); font-size: 11.5px; font-weight: 700; color: var(--accent); display: block; margin-bottom: 14px; letter-spacing: 0.04em; }
.card h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.card p { color: var(--fg-2); font-size: 14.5px; line-height: 1.65; }
.card > p > code,
.card > p code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--accent-bg);
  color: var(--accent-dk);
  padding: 1px 5px;
  border-radius: 3px;
}

.link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--fg);
  letter-spacing: -0.01em;
  transition: color var(--t);
}
.link::after { content: " →"; }
.link:hover { color: var(--accent); }

/* ================================================
   ARCHITECTURE
   ================================================ */

.arch {
  border-radius: 20px;
  margin-bottom: 40px;
  overflow-x: auto;
}
.arch__svg { width: 100%; min-width: 720px; height: auto; display: block; border-radius: 20px; }
.d-line { stroke-width: 1.5; }

.arch__notes h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.arch__notes p { color: var(--fg-2); font-size: 15px; line-height: 1.65; margin: 0; }
.tick::before { content: "— "; color: var(--accent); }

/* ================================================
   BENCHMARKS / FIGURES / TABLE
   ================================================ */

.fig {
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--bg);
  padding: 20px;
  margin: 0 0 20px;
}
.fig img { width: 100%; height: auto; border-radius: 4px; }
.fig figcaption { font-family: var(--mono); font-size: 12px; color: var(--fg-3); margin-top: 12px; }
.fig--donut canvas { display: block; width: 100%; height: 260px; }

/* Canvas benchmark charts */
.fig--chart { padding: 0; overflow: hidden; border-radius: var(--r); }
.fig--chart canvas { display: block; border-radius: var(--r) var(--r) 0 0; }
.fig--chart figcaption { padding: 10px 16px 14px; }

/* 3-column grid for benchmark sub-charts */
.grid--3-bench { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 820px) { .grid--3-bench { grid-template-columns: 1fr; } }

.table__title { font-size: 16px; font-weight: 700; letter-spacing: -0.02em; margin: 36px 0 14px; }
.table__title code { font-family: var(--mono); font-size: 13px; background: var(--subtle); color: var(--fg-2); padding: 2px 6px; border-radius: 4px; }

.table__scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r); background: var(--bg); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 580px; }
.table th, .table td { text-align: right; padding: 11px 18px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.table th:first-child, .table td:first-child { text-align: left; font-family: var(--mono); }
.table thead th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-3); background: var(--surface); font-weight: 600; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr.is-best { background: var(--dark); color: var(--dark-fg); }
.table tbody tr.is-best td { border-bottom-color: rgba(255,255,255,.08); font-weight: 600; }

.note { font-size: 13px; color: var(--fg-3); margin-top: 18px; max-width: 72ch; line-height: 1.65; }
.note code { font-family: var(--mono); font-size: 12px; background: var(--subtle); color: var(--fg-2); padding: 1px 5px; border-radius: 3px; }

/* ================================================
   TABS & CODE
   ================================================ */

.tabs { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 10px 0;
  gap: 4px;
}
.tab {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--fg-3);
  transition: background var(--t), color var(--t);
}
.tab:hover { color: var(--fg); background: rgba(0,0,0,.04); }
.tab.is-active { background: var(--dark); color: #fff; }

.tabs__panels { background: var(--dark); }

.code {
  margin: 0;
  padding: 26px 28px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.78;
  background: var(--dark);
  color: #d4d4d4;
  tab-size: 2;
}
.code.is-hidden { display: none; }
.code .c-comment { color: #555; font-style: italic; }
.code .c-str { color: #89c18a; }
.code .c-kw { color: #dba96e; font-weight: 600; }

.code--sm {
  font-size: 12.5px;
  padding: 16px 18px;
  border: none;
  border-radius: var(--r);
  background: var(--dark);
  color: #d4d4d4;
  margin-top: 14px;
  overflow-x: auto;
}
/* prevent card code pill styles from leaking into code blocks */
.code--sm code { background: none !important; color: inherit !important; padding: 0 !important; border-radius: 0 !important; font-size: inherit !important; }

/* ================================================
   FEATURES LIST
   ================================================ */

.features { margin-top: 48px; }
.features__title { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--dark-fg); }

.features__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--r);
  overflow: hidden;
}
.features__grid li {
  background: var(--dark);
  padding: 12px 16px;
  font-size: 13.5px;
  color: #7a7a7a;
  transition: background var(--t), color var(--t);
}
.features__grid li:hover { background: #161616; color: #d8d8d8; }
.features__grid li::before { content: "+"; font-family: var(--mono); font-weight: 700; color: var(--accent); margin-right: 10px; }

/* ================================================
   FOOTER
   ================================================ */

.footer { background: var(--dark); color: var(--dark-fg); padding: 64px 0; }
.footer .brand__name { color: var(--dark-fg); }
.footer .brand__name::after { content: "."; color: var(--accent); }
.footer__tag { color: var(--dark-sub); font-size: 14px; margin-top: 8px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 40px; align-items: start; }
.footer__links { display: flex; flex-direction: column; gap: 8px; }
.footer__links a { color: var(--dark-sub); text-decoration: none; font-size: 14px; transition: color var(--t); }
.footer__links a:hover { color: var(--dark-fg); }
.footer__legal { color: #404040; font-size: 12px; align-self: end; }

/* ================================================
   RESPONSIVE
   ================================================ */

@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { max-width: 520px; }
}
@media (max-width: 860px) {
  .nav__links { display: none; }
  .grid--3 { grid-template-columns: 1fr 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .features__grid { grid-template-columns: 1fr 1fr; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .grid--3 { grid-template-columns: 1fr; }
  .features__grid { grid-template-columns: 1fr; }
  body { font-size: 15px; }
}

/* ================================================
   HERO ENTRANCE ANIMATIONS
   ================================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Brand name — coral shimmer sweeps through on load */
@keyframes brand-shimmer {
  0%   { background-position: 160% center; }
  100% { background-position: -160% center; }
}
.nav .brand__name {
  background: linear-gradient(
    90deg,
    var(--fg) 0%, var(--fg) 25%,
    var(--accent) 50%,
    var(--fg) 75%, var(--fg) 100%
  );
  background-size: 250% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: brand-shimmer 1.8s cubic-bezier(0.4,0,0.2,1) 0.6s both;
}

/* Install code — blinking cursor during typewriter */
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
.install__cursor {
  display: inline-block;
  width: 2px;
  height: 0.85em;
  background: var(--accent);
  vertical-align: -0.08em;
  margin-left: 1px;
  border-radius: 1px;
  animation: cursor-blink 0.65s step-end infinite;
}

.eyebrow           { animation: fadeUp 0.7s var(--ease) 0.05s both; }
.hero__title       { animation: fadeUp 0.75s var(--ease) 0.15s both; }
.hero__lede        { animation: fadeUp 0.75s var(--ease) 0.25s both; }
.install           { animation: fadeUp 0.75s var(--ease) 0.35s both; }
.hero__cta         { animation: fadeUp 0.75s var(--ease) 0.45s both; }
.hero__canvas-wrap { animation: fadeUp 0.9s var(--ease) 0.2s both; }
.hero__stats       { animation: fadeUp 0.75s var(--ease) 0.55s both; }

/* ================================================
   3D CANVAS HERO VISUAL
   ================================================ */

.hero__canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1.5px solid var(--accent);
  background: var(--subtle);
  cursor: crosshair;
  box-shadow: 0 0 0 4px var(--accent-bg), var(--sh-lg);
  transition: box-shadow var(--t);
}
.hero__canvas-wrap:hover {
  box-shadow: 0 0 0 6px var(--accent-bg), 0 20px 60px rgba(232,98,59,.15);
}

#hero-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.canvas-label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-3);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 5px 11px;
  border-radius: 20px;
  border: 1px solid var(--border);
  pointer-events: none;
  user-select: none;
}

.canvas-label__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: pulseDot 2.2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.7); }
}

/* ================================================
   SCROLL REVEAL
   ================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
[data-reveal="fade"]  { transform: none; }
[data-reveal="left"]  { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(0.94) translateY(20px); }
[data-reveal="up"]    { transform: translateY(36px); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ================================================
   SECTION UNDERLINE REVEAL
   ================================================ */

.section__title::after {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease) 0.3s;
}
.section__title.is-visible::after { transform: scaleX(1); }

/* ================================================
   STAT NUMBER POP
   ================================================ */

.stat__n {
  display: inline-block;
  transition: transform 0.5s var(--ease);
}
.hero__stats.is-visible .stat__n { animation: statPop 0.6s var(--ease) both; }
.hero__stats li:nth-child(1) .stat__n { animation-delay: 0.55s; }
.hero__stats li:nth-child(2) .stat__n { animation-delay: 0.65s; }
.hero__stats li:nth-child(3) .stat__n { animation-delay: 0.75s; }
.hero__stats li:nth-child(4) .stat__n { animation-delay: 0.85s; }

@keyframes statPop {
  from { opacity: 0; transform: translateY(12px) scale(0.88); }
  to   { opacity: 1; transform: none; }
}

/* ================================================
   ARCHITECTURE SVG LINE DRAW
   ================================================ */

.arch[data-reveal] .d-line {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  transition: stroke-dashoffset 1.2s var(--ease);
}
.arch.is-visible .d-line { stroke-dashoffset: 0; }

/* ================================================
   FLOATING ANIMATION (decorative)
   ================================================ */

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ================================================
   SMOOTH HOVER LIFT (global)
   ================================================ */

.svc, .fig, .card { transition-property: box-shadow, border-color, transform, background; }
.svc:hover, .fig:hover { transform: translateY(-3px); }

/* ---------- cost calculator ---------- */
.calc {
  margin: 28px 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
  padding: 26px 28px;
  transition: box-shadow .16s ease;
}
.calc:hover { box-shadow: var(--shadow); }
.calc__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}
.calc__field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--mono);
}
.calc__field input {
  font-family: var(--mono);
  font-size: 14.5px;
  font-weight: 500;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #faf6f1;
  color: var(--fg);
  width: 100%;
  transition: border-color .12s ease;
}
.calc__field input:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
.calc__result {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.calc__total {
  font-size: 15px;
  color: var(--muted);
}
.calc__total strong {
  font-family: var(--mono);
  font-size: 24px;
  color: var(--accent-ink);
  font-weight: 700;
  margin-left: 6px;
}
.calc__breakdown {
  flex: 1 1 100%;
  margin-top: 6px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 20px;
}
.calc__row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 860px) {
  .calc__grid { grid-template-columns: repeat(2, 1fr); }
  .calc__breakdown { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .calc { padding: 20px; }
  .calc__grid { grid-template-columns: 1fr; }
}