/* AppsWire portfolio — public styles. Tokens follow the approved design. */
:root {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --fg: #101114;
  --fg-2: #3E3F45;
  --fg-3: #4A4B52;
  --muted: #6E7076;
  --muted-2: #8A8B92;
  --muted-3: #9A9AA1;
  --chip: #55565C;
  --line: #E6E6E9;
  --line-2: #D8D8DE;
  --fill: #F2F2F4;
  --accent: #155EEF;
  --accent-hover: #0F46C4;
  --accent-soft: #B9C6F4;
  --accent-tint: #E8EEFD;
  --green: #16A34A;
  --amber: #D97706;
  --gray: #8A8B92;
  --font: 'Golos Text', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container: 1280px;
  --pad: 36px;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
button { font: inherit; }
::selection { background: var(--accent); color: #fff; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---- utilities ---- */
.container { max-width: var(--container); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { border-bottom: 1px solid var(--line); }
.accent { color: var(--accent); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}
.kicker--muted { color: var(--muted); }
.kicker--sm { font-size: 11px; letter-spacing: 0.08em; color: var(--muted); }
.h1 { font-size: 56px; line-height: 1.08; letter-spacing: -0.03em; font-weight: 650; margin: 14px 0 0; text-wrap: balance; }
.h2 { font-size: 42px; line-height: 1.1; letter-spacing: -0.03em; font-weight: 650; margin: 14px 0 0; text-wrap: balance; }
.h2--sm { font-size: 32px; margin-bottom: 28px; }
.count { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--muted-2); }
.count--lg { font-size: 18px; vertical-align: middle; margin-left: 8px; }
.dot { width: 5px; height: 5px; border-radius: 50%; display: inline-block; flex: none; }
.dot--accent { background: var(--accent); }
.dot--green { width: 8px; height: 8px; background: var(--green); }
.dot--blink { animation: dtBlink 2.6s ease-in-out infinite; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  padding: 14px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, gap 0.2s, color 0.2s;
}
.btn__arrow { font-weight: 400; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); color: #fff; gap: 13px; }
.btn--ghost { border-color: var(--line-2); color: var(--fg); background: transparent; }
.btn--ghost:hover { border-color: var(--fg); color: var(--fg); gap: 13px; }
.btn--dark { background: var(--fg); color: #fff; }
.btn--dark:hover { background: var(--accent); color: #fff; }
.btn--sm { font-size: 14px; padding: 10px 20px; }
.btn--ghost.btn--sm { padding: 9px 18px; }

.arrow-link { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; transition: gap 0.2s; }
.arrow-link:hover { gap: 12px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--chip);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 8px;
  white-space: nowrap;
  background: var(--surface);
}
.pill__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gray); flex: none; }
.pill--green .pill__dot { background: var(--green); }
.pill--amber .pill__dot { background: var(--amber); }
.pill--gray .pill__dot { background: var(--gray); }
.pill--draft { color: var(--amber); border-color: var(--amber); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--chip);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 9px;
  background: var(--surface);
  line-height: 1.3;
}
.chip__icon { width: 13px; height: 13px; display: block; flex: none; }

html.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
html.js .reveal.is-in { opacity: 1; transform: none; }

@keyframes dtDash { to { stroke-dashoffset: -16; } }
@keyframes dtPulse { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }
@keyframes dtBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ---- header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 250, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s;
}
.site-header.is-scrolled { box-shadow: 0 1px 0 rgba(16, 17, 20, 0.04); }
.site-header__inner { height: 66px; display: flex; align-items: center; gap: 36px; position: relative; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; color: var(--fg); }
.brand:hover { color: var(--fg); }
.brand--sm { font-size: 17px; }
.site-nav { display: flex; gap: 26px; align-items: center; }
.site-nav__link {
  font-size: 14px;
  color: var(--fg-3);
  background: linear-gradient(var(--accent), var(--accent)) left bottom / 0% 1.5px no-repeat;
  transition: background-size 0.25s, color 0.2s;
  padding-bottom: 2px;
}
.site-nav__link:hover { color: var(--fg); background-size: 100% 1.5px; }
.site-nav__link--mobile { display: none; }
.site-nav__link--admin { color: var(--accent); }
.site-header__actions { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--fg); transition: transform 0.2s, opacity 0.2s; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---- hero ---- */
.hero__inner {
  padding-top: 92px;
  padding-bottom: 84px;
  display: grid;
  grid-template-columns: 1.3fr 0.95fr;
  gap: 72px;
  align-items: center;
}
.hero__title { font-size: 68px; line-height: 1.06; letter-spacing: -0.035em; font-weight: 650; margin: 22px 0 0; text-wrap: balance; }
.hero__text { font-size: 18px; line-height: 1.6; color: var(--muted); max-width: 580px; margin: 26px 0 0; }
.hero__actions { display: flex; gap: 14px; margin-top: 38px; align-items: center; flex-wrap: wrap; }
.hero__trust { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero__trust-item { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.hero__status { display: flex; align-items: center; gap: 9px; margin-top: 30px; font-size: 13.5px; color: var(--muted); }
.hero__diagram svg { width: 100%; height: auto; display: block; }
.diagram__label { font-family: var(--mono); font-size: 10.5px; fill: var(--chip); }
.diagram__label--accent { fill: var(--accent); font-weight: 600; }
.diagram__comment { font-family: var(--mono); font-size: 11px; fill: var(--muted-3); }
.dash { animation: dtDash 1.4s linear infinite; }
.pulse { animation: dtPulse 2.2s ease-in-out infinite; }
.pulse--2 { animation-delay: 0.5s; }
.pulse--3 { animation-delay: 1s; }

/* ---- services ---- */
.services .container { padding-top: 88px; padding-bottom: 72px; }
.services__title { margin-bottom: 30px; }
.service {
  display: grid;
  grid-template-columns: 110px 1fr 1.1fr;
  gap: 32px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.service:last-child { padding-bottom: 10px; }
.service__num { font-family: var(--mono); font-size: 15px; color: var(--accent); padding-top: 6px; }
.service__title { font-size: 27px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.service__text { font-size: 16px; line-height: 1.55; color: var(--muted); margin: 12px 0 0; max-width: 420px; }
.service__items { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 28px; font-size: 15.5px; color: var(--fg-2); line-height: 1.5; padding-top: 6px; }

/* ---- projects ---- */
.projects { background: var(--surface); }
.projects .container { padding-top: 88px; padding-bottom: 96px; }
.projects__head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; gap: 24px; }
.pgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px 40px; }
.pgrid--featured { grid-auto-flow: dense; } /* half-width cards fill the gaps next to full-width rows */
.pcard { display: flex; flex-direction: column; min-width: 0; }
.pcard__media {
  display: block;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--fill);
  transition: border-color 0.25s;
}
.pcard__media:hover { border-color: var(--accent-soft); }
.pcard__zoom { width: 100%; height: 100%; transition: transform 0.5s cubic-bezier(0.2, 0.6, 0.2, 1); }
.pcard__media:hover .pcard__zoom { transform: scale(1.03); }
.cover__img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.pcard__meta { display: flex; align-items: center; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.pcard__cat { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.pcard__title { font-size: 23px; font-weight: 600; letter-spacing: -0.02em; margin: 10px 0 0; line-height: 1.25; }
.pcard__title a { color: inherit; }
.pcard__title a:hover { color: var(--accent); }
.pcard__text { font-size: 15px; line-height: 1.55; color: var(--muted); margin: 8px 0 0; }
.pcard__more { margin-top: auto; padding-top: 14px; font-size: 14.5px; }

.pcard--wide { grid-column: 1 / -1; }
.pcard__duo { display: grid; grid-template-columns: 1.55fr 1fr; gap: 14px; height: 430px; }
.pcard__duo--single { grid-template-columns: 1fr; }
.pcard__duo .pcard__media { aspect-ratio: auto; height: 100%; }
.pcard__wide-body { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 18px; align-items: start; }
.pcard__wide-body .pcard__meta { margin-top: 0; }
.pcard__wide-body .pcard__text { margin-top: 0; }
.pcard__wide-body .pcard__more { margin-top: 14px; padding-top: 0; }

.pcard--banner {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 14px;
}
.pcard__media--banner { aspect-ratio: auto; height: 340px; border-radius: 8px; }
.pcard__banner-body { padding: 10px 26px 10px 0; }
.pcard__banner-body .pcard__meta { margin-top: 0; }
.pcard__banner-body .pcard__more { margin-top: 14px; padding-top: 0; }

/* typographic cover for projects without screenshots */
.cover-ph {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  padding: 24px;
  color: var(--fg);
  background-color: var(--fill);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    radial-gradient(120% 90% at 100% 0%, var(--accent-tint) 0%, rgba(242, 242, 244, 0) 60%);
  background-size: 28px 28px, 28px 28px, 100% 100%;
}
.cover-ph__mono { font-family: var(--mono); font-size: 56px; font-weight: 600; letter-spacing: -0.04em; color: var(--accent); line-height: 1; margin-bottom: auto; }
.cover-ph__title { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.cover-ph__cat { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

/* ---- about & stack ---- */
.about .container { padding-top: 88px; padding-bottom: 88px; }
.about__row { display: grid; grid-template-columns: 110px 1fr; gap: 32px; }
.about__kicker { padding-top: 8px; }
.about__text { font-size: 26px; line-height: 1.45; letter-spacing: -0.015em; font-weight: 500; max-width: 880px; text-wrap: pretty; }
.about__row--stack { margin-top: 72px; }
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 44px; }
.stack-group__title { font-size: 15px; font-weight: 600; padding-bottom: 10px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.stack-group__lines { font-size: 14px; line-height: 1.9; color: var(--muted); }

/* ---- process ---- */
.process { background: var(--surface); }
.process .container { padding-top: 80px; padding-bottom: 88px; }
.process__title { margin-bottom: 40px; }
.process__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.step { border-top: 1px solid var(--line-2); padding-top: 20px; }
.step__num { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.step__title { font-size: 20px; font-weight: 600; margin-top: 10px; }
.step__text { font-size: 15px; line-height: 1.55; color: var(--muted); margin: 8px 0 0; }

/* ---- contact ---- */
.contact__inner { padding-top: 120px; padding-bottom: 120px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.contact__title { font-size: 52px; line-height: 1.12; font-weight: 650; letter-spacing: -0.03em; text-wrap: balance; }
.contact__actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.contact__note { font-family: var(--mono); font-size: 12px; color: var(--muted-2); margin-top: 28px; }
.contact__list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.contact__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
  font-size: 16px;
  font-weight: 500;
  transition: padding-left 0.2s, color 0.2s;
}
.contact__row:hover { color: var(--accent); padding-left: 10px; }
.contact__value { font-family: var(--mono); font-size: 13px; color: var(--muted-2); text-align: right; overflow-wrap: anywhere; }
.contact__list--compact .contact__row { padding: 12px 2px; font-size: 14px; }
.contact__list--compact .contact__value { font-size: 12px; }

/* ---- footer ---- */
.site-footer__inner { padding-top: 36px; padding-bottom: 36px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.site-footer__name { font-size: 13.5px; color: var(--muted); }
.site-footer__nav { margin-left: auto; display: flex; gap: 20px; align-items: center; }
.site-footer__nav a { font-size: 13px; color: var(--muted); }
.site-footer__nav a:hover { color: var(--fg); }
.dot-sep { color: var(--line-2); }

/* ---- inner pages ---- */
.page-head .container { padding-top: 80px; padding-bottom: 40px; }
.page-head__text { font-size: 18px; line-height: 1.6; color: var(--muted); max-width: 640px; margin: 20px 0 0; }
.projects--all .container { padding-top: 48px; }

.notfound__inner { padding-top: 120px; padding-bottom: 140px; max-width: 760px; }
.notfound__code { font-family: var(--mono); font-size: 14px; color: var(--accent); letter-spacing: 0.1em; }

/* ---- case page ---- */
.case-hero .container { padding-top: 56px; padding-bottom: 44px; }
.back-link { font-family: var(--mono); font-size: 12px; color: var(--muted); display: inline-block; margin-bottom: 28px; }
.back-link:hover { color: var(--accent); }
.case-hero__meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.case-hero__title { max-width: 900px; }
.case-hero__lead { font-size: 20px; line-height: 1.55; color: var(--muted); max-width: 720px; margin: 18px 0 0; }
.case-hero__row { display: flex; gap: 12px; align-items: center; margin-top: 28px; flex-wrap: wrap; }
.case-hero__period { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-right: 8px; }
.case-cover { padding-top: 0; }
.case-cover__media { margin: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--fill); aspect-ratio: 16 / 9; }
.case-cover__media .cover__img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.case-body .container { padding-top: 56px; padding-bottom: 24px; }
.case-body__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr); gap: 64px; align-items: start; }
.prose { font-size: 17px; line-height: 1.7; color: var(--fg-2); overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 18px; }
.prose h2 { font-size: 26px; letter-spacing: -0.02em; margin: 32px 0 12px; color: var(--fg); }
.prose h3 { font-size: 20px; letter-spacing: -0.01em; margin: 26px 0 10px; color: var(--fg); }
.prose h4 { font-size: 17px; margin: 20px 0 8px; color: var(--fg); }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose code { font-family: var(--mono); font-size: 0.88em; background: var(--fill); padding: 1px 5px; border-radius: 4px; }
.prose pre { background: var(--fill); padding: 14px 16px; border-radius: 8px; overflow: auto; font-size: 13px; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { border-left: 2px solid var(--accent); margin: 0 0 18px; padding-left: 16px; color: var(--muted); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 24px 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 0 0 18px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.case-side { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 28px; }
.case-side__block .chips { margin-top: 12px; }
.case-side__value { margin-top: 12px; font-size: 14px; }
.case-side .contact__list { margin-top: 8px; }
.case-features .container { padding-top: 32px; padding-bottom: 56px; }
.features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 40px; }
.features__item { display: flex; gap: 14px; font-size: 15.5px; line-height: 1.55; color: var(--fg-2); border-top: 1px solid var(--line); padding-top: 14px; }
.features__num { font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 3px; flex: none; }
.case-gallery .container { padding-top: 32px; padding-bottom: 88px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px 16px; }
.gallery__item { margin: 0; min-width: 0; }
.gallery__link {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--fill);
  aspect-ratio: 16 / 10;
  transition: border-color 0.25s;
}
.gallery__link:hover { border-color: var(--accent-soft); }
.gallery__link img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 0.5s cubic-bezier(0.2, 0.6, 0.2, 1); }
.gallery__link:hover img { transform: scale(1.03); }
.gallery__caption { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.4; }
.case-nav { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.case-nav__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding-top: 32px; padding-bottom: 32px; }
.case-nav__link { display: flex; flex-direction: column; gap: 8px; color: var(--fg); }
.case-nav__link--next { text-align: right; align-items: flex-end; }
.case-nav__title { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; transition: color 0.2s; }
.case-nav__link:hover .case-nav__title { color: var(--accent); }

/* ---- toast ---- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(8px);
  z-index: 90;
  background: var(--fg);
  color: #fff;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(16, 17, 20, 0.18);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(16, 17, 20, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 72px;
}
.lightbox[hidden] { display: none; }
.lightbox__figure { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lightbox__img { max-width: min(1400px, 100%); max-height: calc(100vh - 140px); width: auto; height: auto; object-fit: contain; border-radius: 8px; background: #000; }
.lightbox__caption { color: #C9C9CF; font-size: 14px; text-align: center; max-width: 900px; }
.lightbox__close, .lightbox__nav {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255, 255, 255, 0.18); }
.lightbox__close { top: 16px; right: 20px; font-size: 26px; }
.lightbox__nav { top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { left: 16px; }
.lightbox__nav--next { right: 16px; }
body.lightbox-open { overflow: hidden; }

/* ---- responsive ---- */
@media (max-width: 1100px) {
  .hero__inner { gap: 48px; }
  .hero__title { font-size: 56px; }
  .contact__title { font-size: 44px; }
}
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; padding-top: 72px; padding-bottom: 64px; }
  .hero__diagram { max-width: 520px; }
  .hero__title { font-size: 52px; }
  .h1 { font-size: 44px; }
  .h2 { font-size: 36px; }
  .contact__title { font-size: 40px; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; padding-top: 88px; padding-bottom: 88px; }
  .service { grid-template-columns: 80px 1fr; }
  .service__items { grid-column: 2; padding-top: 0; }
  .process__grid { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .case-body__grid { grid-template-columns: 1fr; gap: 40px; }
  .case-side { position: static; }
  .gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .site-header__inner { gap: 16px; }
  .nav-toggle { display: flex; order: 3; }
  .site-header__actions { order: 2; gap: 12px; }
  .site-nav {
    display: none;
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 6px var(--pad) 14px;
    box-shadow: 0 16px 32px rgba(16, 17, 20, 0.06);
  }
  body.nav-open .site-nav { display: flex; }
  .site-nav__link { font-size: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); background: none; }
  .site-nav__link:last-child { border-bottom: 0; }
  .site-nav__link--mobile { display: block; }
}
@media (max-width: 768px) {
  :root { --pad: 20px; }
  .hero__inner { padding-top: 52px; padding-bottom: 48px; }
  .hero__title { font-size: 40px; }
  .h1 { font-size: 36px; }
  .h2 { font-size: 30px; }
  .h2--sm { font-size: 26px; }
  .contact__title { font-size: 32px; }
  .contact__inner { padding-top: 64px; padding-bottom: 64px; }
  .services .container, .projects .container, .about .container, .process .container { padding-top: 56px; padding-bottom: 56px; }
  .page-head .container { padding-top: 48px; padding-bottom: 28px; }
  .projects--all .container { padding-top: 24px; }
  .projects__head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 32px; }
  .service { grid-template-columns: 1fr; gap: 14px; padding: 30px 0; }
  .service__items { grid-column: auto; }
  .service__title { font-size: 23px; }
  .pgrid { grid-template-columns: 1fr; gap: 36px; }
  .pcard__duo { grid-template-columns: 1fr; height: auto; }
  .pcard__duo .pcard__media { aspect-ratio: 16 / 10; height: auto; }
  .pcard__wide-body { grid-template-columns: 1fr; gap: 8px; }
  .pcard--banner { grid-template-columns: 1fr; gap: 16px; padding: 10px; }
  .pcard__media--banner { height: auto; aspect-ratio: 16 / 10; }
  .pcard__banner-body { padding: 4px 8px 12px; }
  .about__row { grid-template-columns: 1fr; gap: 12px; }
  .about__row--stack { margin-top: 48px; }
  .about__text { font-size: 21px; }
  .stack-grid { gap: 24px; }
  .process__grid { grid-template-columns: 1fr; gap: 24px; }
  .features { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .case-hero .container { padding-top: 36px; }
  .case-hero__lead { font-size: 18px; }
  .case-nav__inner { grid-template-columns: 1fr; }
  .case-nav__link--next { text-align: left; align-items: flex-start; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .site-footer__nav { margin-left: 0; flex-wrap: wrap; }
  .notfound__inner { padding-top: 72px; padding-bottom: 88px; }
  .lightbox { padding: 64px 12px 72px; }
  .lightbox__nav { top: auto; bottom: 14px; transform: none; }
  .lightbox__img { max-height: calc(100vh - 170px); }
}
@media (max-width: 480px) {
  .hero__title { font-size: 34px; }
  .h1 { font-size: 30px; }
  .h2 { font-size: 26px; }
  .btn { padding: 12px 20px; font-size: 14px; }
  .hero__actions .btn, .contact__actions .btn { width: 100%; justify-content: center; }
  .site-header__actions .btn { display: none; }
  .stack-grid { grid-template-columns: 1fr; }
  .cover-ph__mono { font-size: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .reveal { opacity: 1; transform: none; }
}