/* ═══════════════════════════════════════════════════════════
   GB POWER — stavby, projekce, inženýring
   ═══════════════════════════════════════════════════════════ */

:root {
  --ink:        #12141a;
  --ink-soft:   #1b1e26;
  --ink-line:   #2b2f39;
  --paper:      #f7f5f2;
  --paper-2:    #efece7;
  --text:       #22252c;
  --muted:      #6b7080;
  --muted-dark: #9aa0ae;
  --accent:     #c8904f;
  --accent-dk:  #a97435;

  --wrap:  1240px;
  --gut:   clamp(20px, 5vw, 48px);
  --sec-y: clamp(72px, 9vw, 132px);

  --r-sm: 6px;
  --r:    12px;
  --r-lg: 20px;

  --shadow:    0 18px 50px -24px rgba(18, 20, 26, .35);
  --shadow-lg: 0 40px 90px -40px rgba(18, 20, 26, .55);

  --ease: cubic-bezier(.22, 1, .36, 1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* ── reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.028em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 6.2vw, 4.6rem); font-weight: 600; }
h2 { font-size: clamp(1.85rem, 3.9vw, 3.05rem); }
h3 { font-size: 1.16rem; letter-spacing: -.015em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

em { font-style: normal; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section { padding-block: var(--sec-y); }

/* kotvy nesmí zmizet pod fixní hlavičkou */
section[id], main[id] { scroll-margin-top: 84px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 20px;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ── typografické prvky ────────────────────────────────── */
.eyebrow {
  margin: 0 0 18px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--accent-dk);
}

.prose { color: var(--muted); max-width: 60ch; }
.prose .lead-out { color: var(--text); font-weight: 500; }

.section-head { max-width: 820px; margin-bottom: clamp(40px, 5vw, 68px); }

.section-head--row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 60px;
  align-items: flex-end;
  justify-content: space-between;
  max-width: none;
}
.section-note { max-width: 42ch; color: var(--muted); margin: 0; }

/* ── tlačítka ──────────────────────────────────────────── */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border: 1px solid transparent;
  border-radius: 100px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: -.005em;
  text-decoration: none;
  transition: transform .35s var(--ease), background .25s, color .25s, border-color .25s;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { --btn-bg: var(--accent); --btn-fg: #fff; }
.btn-primary:hover { --btn-bg: var(--accent-dk); }

.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: #fff;
  border-color: rgba(255, 255, 255, .38);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { --btn-bg: rgba(255,255,255,.12); border-color: rgba(255,255,255,.6); }

.btn-lg { padding: 18px 38px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ── header ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 82px;
  transition: height .4s var(--ease);
}

.site-header.is-stuck {
  background: rgba(247, 245, 242, .88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: rgba(18, 20, 26, .1);
}
.site-header.is-stuck .header-inner { height: 68px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  text-decoration: none;
  transition: color .4s;
}
.site-header.is-stuck .brand { color: var(--ink); }

.brand-logo {
  display: block;
  width: 200px;
  height: auto;
  /* logo je cerne s alfou — nad hero a v paticce ho prebarvime na bilou */
  filter: brightness(0) invert(1);
  transition: filter .4s, width .4s var(--ease);
}
.site-header.is-stuck .brand-logo {
  width: 176px;
  filter: none;
}

.footer-brand .brand-logo { width: 220px; }

.nav { display: flex; align-items: center; gap: 34px; }

.nav a {
  position: relative;
  font-size: .93rem;
  font-weight: 500;
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
  transition: color .3s;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav a:hover { color: #fff; }

.site-header.is-stuck .nav a { color: var(--muted); }
.site-header.is-stuck .nav a:hover { color: var(--ink); }

.nav .nav-cta {
  padding: 11px 22px;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 100px;
  color: #fff;
}
.nav .nav-cta::after { display: none; }
.nav .nav-cta:hover { background: var(--accent); border-color: var(--accent); }

.site-header.is-stuck .nav-cta {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff !important;
}
.site-header.is-stuck .nav-cta:hover { background: var(--accent); border-color: var(--accent); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 22px; height: 1.6px;
  background: #fff;
  transition: transform .35s var(--ease), opacity .2s, background .4s;
}
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 21.5px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.site-header.is-stuck .nav-toggle span { background: var(--ink); }

.nav-toggle[aria-expanded="true"] span { background: var(--ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ── hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: min(100svh, 900px);
  display: flex;
  align-items: flex-end;
  padding-block: 160px clamp(70px, 10vw, 120px);
  color: #fff;
  overflow: hidden;
}

.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(10, 11, 15, .92) 0%, rgba(10, 11, 15, .55) 42%, rgba(10, 11, 15, .3) 70%, rgba(10, 11, 15, .55) 100%);
}

.hero-inner { position: relative; }

.hero h1 { color: #fff; max-width: 24ch; text-wrap: balance; }
.hero h1 em { color: var(--accent); }
.hero .eyebrow { color: var(--accent); }

.hero-lead {
  max-width: 56ch;
  margin-top: 28px;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  color: rgba(255, 255, 255, .8);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 100px;
}
.hero-scroll span {
  position: absolute;
  left: 50%; top: 9px;
  width: 3px; height: 7px;
  margin-left: -1.5px;
  border-radius: 3px;
  background: #fff;
  animation: scrollCue 1.9s var(--ease) infinite;
}
@keyframes scrollCue {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60%      { transform: translateY(14px); opacity: 0; }
}

/* ── pilíře ────────────────────────────────────────────── */
.pillars { background: var(--ink); color: #fff; }

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-block: 0;
}

.pillar {
  padding: clamp(34px, 4vw, 52px) clamp(18px, 2.4vw, 34px);
  position: relative;
}
.pillar + .pillar::before {
  content: '';
  position: absolute;
  left: 0; top: 18%;
  width: 1px; height: 64%;
  background: var(--ink-line);
}

.pillar-num {
  display: block;
  font-size: clamp(2.1rem, 3.4vw, 2.9rem);
  font-weight: 300;
  letter-spacing: -.04em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}

.pillar p { font-size: .92rem; color: var(--muted-dark); margin: 0; }

/* ── split layout ──────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5.5vw, 84px);
  align-items: center;
}
.split--reverse .split-media { order: 2; }

.split-media { margin: 0; position: relative; }
.split-media img {
  width: 100%;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}
.split-media figcaption {
  margin-top: 16px;
  font-size: .84rem;
  color: var(--muted);
  line-height: 1.5;
}

.split-text h2 { margin-bottom: 26px; }

/* ── služby ────────────────────────────────────────────── */
.services { background: var(--paper-2); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.8vw, 26px);
}

.card {
  position: relative;
  padding: clamp(28px, 3vw, 40px);
  background: #fff;
  border: 1px solid rgba(18, 20, 26, .07);
  border-radius: var(--r-lg);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(200, 144, 79, .35);
}

.card-num {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 20px;
}

.card h3 { margin-bottom: 12px; }
.card > p { color: var(--muted); font-size: .95rem; margin-bottom: 0; }

.ticks { list-style: none; margin: 20px 0 0; padding: 0; }
.ticks li {
  position: relative;
  padding-left: 24px;
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 7px;
}
.ticks li::before {
  content: '';
  position: absolute;
  left: 2px; top: .58em;
  width: 9px; height: 5px;
  border-left: 1.6px solid var(--accent);
  border-bottom: 1.6px solid var(--accent);
  transform: rotate(-45deg);
}

.card-accent { background: var(--ink); border-color: var(--ink); }
.card-accent h3 { color: #fff; }
.card-accent > p { color: var(--muted-dark); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 24px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}
.card-link svg { width: 18px; height: 18px; transition: transform .4s var(--ease); }
.card-link:hover svg { transform: translateX(5px); }

/* ── proces ────────────────────────────────────────────── */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(14px, 1.6vw, 24px);
  counter-reset: step;
}

.step { position: relative; padding-top: 34px; }
.step::before {
  content: '';
  position: absolute;
  left: 0; top: 15px;
  width: 100%; height: 1px;
  background: rgba(18, 20, 26, .14);
}
.step::after {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.step-num {
  display: block;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent-dk);
  margin-bottom: 10px;
}
.step h3 { margin-bottom: 9px; }
.step p { font-size: .92rem; color: var(--muted); margin: 0; }

/* ── galerie ───────────────────────────────────────────── */
.gallery-section { background: var(--paper-2); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }

.filter {
  padding: 9px 20px;
  border: 1px solid rgba(18, 20, 26, .16);
  border-radius: 100px;
  background: transparent;
  font-size: .88rem;
  font-weight: 500;
  color: var(--muted);
  transition: all .3s var(--ease);
}
.filter:hover { border-color: var(--ink); color: var(--ink); }
.filter.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.4vw, 20px);
}

.shot {
  position: relative;
  margin: 0;
  border-radius: var(--r);
  overflow: hidden;
  cursor: zoom-in;
  background: #ddd8d1;
  aspect-ratio: 4 / 3;
  transition: opacity .4s, transform .4s var(--ease);
}
.shot--wide { grid-column: span 2; aspect-ratio: 16 / 7; }

.shot img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease), filter .5s;
}
.shot:hover img { transform: scale(1.05); }

.shot figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 46px 20px 18px;
  background: linear-gradient(to top, rgba(10, 11, 15, .82), transparent);
  color: #fff;
  font-size: .88rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.shot:hover figcaption { opacity: 1; transform: none; }

.shot.is-hidden { display: none; }

/* ── projekt ───────────────────────────────────────────── */
.facts {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  border-top: 1px solid rgba(18, 20, 26, .12);
}
.facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(18, 20, 26, .12);
  font-size: .93rem;
}
.facts strong { font-weight: 500; color: var(--ink); }
.facts span { color: var(--muted); text-align: right; }

.docs { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.doc {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid rgba(18, 20, 26, .16);
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all .3s var(--ease);
}
.doc svg { width: 19px; height: 19px; color: var(--accent); }
.doc em { font-size: .72rem; letter-spacing: .1em; color: var(--muted); }
.doc:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.doc:hover em { color: rgba(255, 255, 255, .6); }

/* ── proč my ───────────────────────────────────────────── */
.why { background: var(--ink); color: #fff; }
.why h2 { color: #fff; }
.why .eyebrow { color: var(--accent); }

.why-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(36px, 5vw, 76px);
  align-items: start;
}

.why-list { list-style: none; margin: 0; padding: 0; }
.why-list li {
  position: relative;
  padding: 20px 0 20px 44px;
  border-bottom: 1px solid var(--ink-line);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  color: rgba(255, 255, 255, .92);
}
.why-list li:first-child { padding-top: 0; }
.why-list li:first-child::before { top: .28em; }
.why-list li:last-child { border-bottom: 0; }
.why-list li::before {
  content: '';
  position: absolute;
  left: 4px; top: 1.42em;
  width: 15px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.why-note {
  padding: clamp(28px, 3vw, 40px);
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--r-lg);
  position: sticky;
  top: 100px;
}
.why-note h3 { color: #fff; margin-bottom: 14px; font-size: 1.3rem; }
.why-note p { color: var(--muted-dark); font-size: .95rem; }
.why-note .btn { margin-top: 22px; }

/* ── poslední realizace ────────────────────────────────── */
.latest-body {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(32px, 5vw, 76px);
  align-items: start;
}
.latest-text { color: var(--muted); font-size: 1.02rem; }

.scope {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(18, 20, 26, .12);
  border: 1px solid rgba(18, 20, 26, .12);
  border-radius: var(--r);
  overflow: hidden;
}
.scope li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: var(--paper);
  font-size: .95rem;
  font-weight: 500;
}
/* lichý poslední bod nesmí nechat prázdné pole v mřížce */
.scope li:last-child:nth-child(odd) { grid-column: 1 / -1; }

.scope li span {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--accent);
}

/* ── CTA pás ───────────────────────────────────────────── */
.cta-band {
  position: relative;
  padding-block: clamp(80px, 11vw, 150px);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-media { position: absolute; inset: 0; }
.cta-media img { width: 100%; height: 100%; object-fit: cover; }
.cta-media::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(10, 11, 15, .72);
}
.cta-inner { position: relative; }
.cta-inner h2 { color: #fff; margin-bottom: 34px; }

/* ── kontakt ───────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(38px, 5.5vw, 88px);
  align-items: start;
}

.contact-info h2 { margin-bottom: 20px; }

.contact-list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid rgba(18, 20, 26, .12);
}
.contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid rgba(18, 20, 26, .12);
}
.contact-list .label {
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-list a { font-size: 1.06rem; font-weight: 500; text-decoration: none; }
.contact-list a:hover { color: var(--accent-dk); }

.form {
  padding: clamp(26px, 3.2vw, 42px);
  background: #fff;
  border: 1px solid rgba(18, 20, 26, .08);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}

.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--muted);
}
.field label span { color: var(--accent); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  font: inherit;
  font-size: .96rem;
  color: var(--text);
  background: var(--paper);
  border: 1px solid rgba(18, 20, 26, .12);
  border-radius: var(--r-sm);
  transition: border-color .25s, background .25s, box-shadow .25s;
}
.field textarea { resize: vertical; min-height: 120px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 144, 79, .16);
}

.field input:user-invalid,
.field textarea:user-invalid { border-color: #c0574a; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 6px 0 22px;
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.5;
  cursor: pointer;
}
.check input {
  flex: none;
  width: 17px; height: 17px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.form-status {
  margin: 16px 0 0;
  font-size: .9rem;
  min-height: 1.4em;
}
.form-status.is-ok  { color: #2c7a4b; }
.form-status.is-err { color: #c0574a; }

/* ── footer ────────────────────────────────────────────── */
.site-footer { background: var(--ink); color: var(--muted-dark); padding-top: clamp(56px, 6vw, 84px); }

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(34px, 4.5vw, 72px);
  padding-bottom: 52px;
}

.footer-brand .brand { color: #fff; margin-bottom: 18px; }
.footer-brand p { font-size: .92rem; max-width: 34ch; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.footer-nav h4 {
  color: #fff;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-nav a,
.footer-nav span {
  display: block;
  font-size: .92rem;
  text-decoration: none;
  margin-bottom: 9px;
  transition: color .25s;
}
.footer-nav a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: space-between;
  padding-block: 22px;
  border-top: 1px solid var(--ink-line);
  font-size: .82rem;
}
.footer-bottom p { margin: 0; }

/* ── lightbox ──────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(9, 10, 14, .94);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }

.lb-figure { margin: 0; max-width: 100%; text-align: center; }
.lb-figure img {
  max-width: 100%;
  max-height: 80svh;
  width: auto;
  border-radius: var(--r);
  box-shadow: var(--shadow-lg);
}
.lb-figure figcaption {
  margin-top: 18px;
  color: rgba(255, 255, 255, .72);
  font-size: .9rem;
}

.lb-close, .lb-nav {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  color: #fff;
  transition: background .25s, border-color .25s, transform .25s var(--ease);
}
.lb-close:hover, .lb-nav:hover {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .5);
}

.lb-close {
  top: clamp(14px, 3vw, 30px);
  right: clamp(14px, 3vw, 30px);
  width: 46px; height: 46px;
  font-size: 1.7rem;
  line-height: 1;
}
.lb-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  font-size: 2rem;
  line-height: 1;
  padding-bottom: 4px;
}
.lb-nav:hover { transform: translateY(-50%) scale(1.06); }
.lb-prev { left: clamp(10px, 2.4vw, 28px); }
.lb-next { right: clamp(10px, 2.4vw, 28px); }

body.is-locked { overflow: hidden; }

/* ── podnadpis uvnitř sekce ─────────────────────────────── */
.section-sub {
  max-width: 820px;
  margin: clamp(56px, 6.5vw, 96px) 0 clamp(30px, 3.6vw, 46px);
}
.section-sub h3 {
  font-size: clamp(1.5rem, 2.9vw, 2.2rem);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 0 0 16px;
}
.section-note--wide { max-width: 56ch; }

/* světlý text v akcentované kartě */
.card-accent .ticks li { color: var(--muted-dark); }
.card-accent .ticks li::before { border-color: var(--accent); }

/* ── developerské projekty ──────────────────────────────── */
.projects {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 26px);
}

.project-card {
  position: relative;
  padding: clamp(24px, 2.6vw, 34px);
  background: #fff;
  border: 1px solid rgba(18, 20, 26, .08);
  border-radius: var(--r-lg);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.project-num {
  display: block;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 16px;
}

.project-card h4 {
  font-size: 1.24rem;
  font-weight: 600;
  letter-spacing: -.01em;
  margin: 0 0 6px;
}

.project-type {
  font-size: .86rem;
  color: var(--muted);
  margin: 0 0 18px;
}

.project-phase {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 7px 15px 7px 12px;
  border: 1px solid rgba(18, 20, 26, .12);
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text);
}
.project-phase .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.project-phase--done .dot { background: #4f8a5b; }
.project-phase--early .dot { background: var(--muted); }

.project-card > p:last-child {
  font-size: .93rem;
  color: var(--muted);
  margin: 0;
}

.projects-note {
  margin: clamp(26px, 3vw, 38px) 0 0;
  font-size: .95rem;
  color: var(--muted);
}
.projects-note a {
  color: var(--ink);
  font-weight: 500;
  text-underline-offset: 4px;
}
.projects-note a:hover { color: var(--accent-dk); }

/* ── kontakt: weby a eshopy ─────────────────────────────── */
.contact-web {
  margin-top: clamp(32px, 3.6vw, 46px);
  padding: clamp(22px, 2.4vw, 30px);
  background: var(--paper-2);
  border-radius: var(--r-lg);
}
.contact-web > p {
  font-size: .93rem;
  color: var(--muted);
  margin: 0;
}
.contact-web-label {
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-dk);
  margin: 0 0 10px;
}
.contact-list--tight {
  margin-top: 18px;
  border-top-color: rgba(18, 20, 26, .1);
}
.contact-list--tight li { padding: 12px 0; border-bottom-color: rgba(18, 20, 26, .1); }
.contact-list--tight li:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-list--tight a { font-size: .98rem; }

/* ── reveal animace ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ═══ RESPONSIVE ═══════════════════════════════════════ */

@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .why-grid { grid-template-columns: 1fr; }
  .why-note { position: static; }
}

@media (max-width: 900px) {
  body { font-size: 16px; }

  .nav {
    position: fixed;
    inset: 0 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 96px var(--gut) 34px;
    background: var(--paper);
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform .5s var(--ease), opacity .35s, visibility .35s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }

  .nav a {
    padding: 16px 0;
    font-size: 1.06rem;
    color: var(--ink) !important;
    border-bottom: 1px solid rgba(18, 20, 26, .1);
  }
  .nav a::after { display: none; }
  .nav .nav-cta {
    margin-top: 20px;
    text-align: center;
    border: 0;
    background: var(--accent);
    color: #fff !important;
    border-radius: 100px;
  }

  .nav-toggle { display: block; z-index: 2; }

  .split, .contact-grid, .latest-body { grid-template-columns: 1fr; }
  .split--reverse .split-media { order: 0; }

  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .pillar + .pillar::before { display: none; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--ink-line); }
  .pillar:nth-child(even) { border-left: 1px solid var(--ink-line); }

  .footer-inner { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .hero { min-height: 88svh; }
  .hero-scroll { display: none; }

  .brand-logo,
  .site-header.is-stuck .brand-logo { width: 152px; }

  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; row-gap: 30px; }
  .step { padding-top: 26px; }

  .gallery { grid-template-columns: repeat(2, 1fr); }
  .shot--wide { grid-column: span 2; }

  .scope { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .projects { grid-template-columns: 1fr; }

  .lb-nav { width: 44px; height: 44px; font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr; }

  .brand-logo,
  .site-header.is-stuck .brand-logo { width: 132px; }
  .shot, .shot--wide { grid-column: span 1; aspect-ratio: 4 / 3; }
  .hero-actions .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-scroll, .filters, .lightbox, .form { display: none; }
  body { background: #fff; }
}