/* ============================================================
   Citistav Building Group — Industrial Editorial Design System
   Dark, cinematic base · yellow signature accent · red for CTAs
   ============================================================ */

:root {
  /* Brand */
  --yellow: #FFC400;
  --yellow-soft: #FFD54A;
  --logo-yellow: #FFDE00; /* přesná žlutá z loga – musí sedět s PNG */
  --red: #E8221E;
  --red-dark: #C71813;

  /* Ink / surfaces */
  --ink: #0C0C0E;
  --ink-2: #131316;
  --surface: #18181C;
  --surface-2: #1F1F24;
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.18);

  /* Paper (light section) */
  --paper: #F3F1EB;
  --paper-2: #E9E6DD;
  --paper-line: rgba(12, 12, 14, 0.12);

  /* Text */
  --on-dark: #F4F2ED;
  --on-dark-mut: rgba(244, 242, 237, 0.58);
  --on-dark-faint: rgba(244, 242, 237, 0.38);
  --on-light: #14140F;
  --on-light-mut: rgba(20, 20, 15, 0.62);

  /* Type */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* System */
  --container: 1280px;
  --gutter: 2.5rem;
  --header-h: 104px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.25s var(--ease);
  --t-med: 0.45s var(--ease);
  --radius: 14px;
  --radius-lg: 22px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--on-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
ul { list-style: none; }
::selection { background: var(--yellow); color: var(--ink); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.text-accent { color: var(--yellow); }

/* ---------- Grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--yellow);
  z-index: 10000;
  transition: width 0.1s linear;
}

/* ---------- Intro reveal (page transition) ---------- */
html.intro-lock,
html.intro-lock body { overflow: hidden; }

.intro {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  will-change: transform;
}
.intro__logo {
  width: min(300px, 62vw);
  height: auto;
  border-radius: 12px;
  animation: introLogo 0.8s var(--ease-out) both;
}
.intro--hide {
  transform: translateY(-100%);
  transition: transform 0.75s var(--ease);
}
@keyframes introLogo {
  from { opacity: 0; transform: translateY(14px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t-med), backdrop-filter var(--t-med), border-color var(--t-med), height var(--t-med);
  border-bottom: 1px solid transparent;
}
.header--scrolled {
  height: 88px;
  background: rgba(12, 12, 14, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  background: var(--logo-yellow);
  padding: 0.38rem 0.6rem;
  border-radius: 11px;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.logo:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px -10px rgba(255, 222, 0, 0.6);
}
.logo__img {
  display: block;
  height: 62px;
  width: auto;
}
.header--scrolled .logo__img { height: 56px; }

.nav__foot { display: none; }

.nav__list { display: flex; gap: 2.25rem; }
.nav__link {
  position: relative;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--on-dark-mut);
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  transition: color var(--t-fast);
}
.nav__num {
  font-family: var(--font-display);
  font-size: 0.6rem;
  color: var(--on-dark-faint);
  transition: color var(--t-fast);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--yellow);
  transition: width var(--t-med);
}
.nav__link:hover,
.nav__link--active { color: var(--on-dark); }
.nav__link:hover .nav__num,
.nav__link--active .nav__num { color: var(--yellow); }
.nav__link:hover::after,
.nav__link--active::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 1.25rem; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.lang-switch__opt { transition: color var(--t-fast); }
.lang-switch__active { color: var(--on-dark); }
.lang-switch__inactive { color: var(--on-dark-faint); }
.lang-switch:hover .lang-switch__inactive { color: var(--on-dark-mut); }
.lang-switch__sep { width: 1px; height: 12px; background: var(--line-strong); }

.header__cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 9px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--on-dark);
  transition: width 0.45s var(--ease), transform 0.45s var(--ease), opacity 0.3s var(--ease), background 0.3s var(--ease);
  transform-origin: center;
}
.nav-toggle span:nth-child(1) { width: 100%; }
.nav-toggle span:nth-child(2) { width: 100%; }
.nav-toggle span:nth-child(3) { width: 55%; }

.nav-toggle--open span { background: var(--ink); }
.nav-toggle--open span:nth-child(1) { width: 100%; transform: translateY(8px) rotate(45deg); }
.nav-toggle--open span:nth-child(2) { width: 100%; opacity: 0; transform: scaleX(0); }
.nav-toggle--open span:nth-child(3) { width: 100%; transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.05rem 2.1rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
  overflow: hidden;
}
.btn--sm { padding: 0.6rem 1.25rem; font-size: 0.72rem; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(232, 34, 30, 0.6);
}
.btn--primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(232, 34, 30, 0.75);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--on-dark);
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: var(--header-h);
  overflow: hidden;
  background: var(--ink);
}

.hero__slider { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.2s var(--ease);
}
.hero__slide--active { opacity: 1; visibility: visible; }
.hero__slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* unify inconsistent / low-res photos with a cinematic grade */
  filter: grayscale(0.35) contrast(1.05) brightness(0.62) saturate(0.9);
  transform: scale(1.06);
}
.hero__slide--active img {
  animation: kenburns 7s var(--ease-out) forwards;
}
.hero__slide--pos-top img { object-position: center 32%; }
.hero__slide--pos-vest img { object-position: center 42%; }
/* Wide truck photos – frame the cab on portrait crops (cab is right / left of frame) */
.hero__slide--pos-truck-r img { object-position: 64% center; }
.hero__slide--pos-truck-l img { object-position: 34% center; }

@keyframes kenburns {
  from { transform: scale(1.12); }
  to   { transform: scale(1.0); }
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(12,12,14,0.55) 0%, rgba(12,12,14,0.15) 30%, rgba(12,12,14,0.65) 78%, rgba(12,12,14,0.96) 100%),
    radial-gradient(120% 80% at 12% 70%, rgba(12,12,14,0.55) 0%, transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-bottom: 3rem;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--on-dark);
  margin-bottom: 1.75rem;
}
.hero__eyebrow-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255, 196, 0, 0.2);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255,196,0,0.18); }
  50% { box-shadow: 0 0 0 8px rgba(255,196,0,0.04); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 11vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--on-dark);
  margin-bottom: 1.75rem;
}
.hero__title-line { display: block; }
.hero__title-line--accent {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--yellow);
  text-stroke: 1.5px var(--yellow);
}

.hero__subtitle {
  max-width: 540px;
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  color: var(--on-dark-mut);
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__footer {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-bottom: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.hero__counter {
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.hero__counter-cur { color: var(--yellow); font-weight: 600; }
.hero__counter-sep { width: 28px; height: 1px; background: var(--line-strong); }
.hero__counter-total { color: var(--on-dark-faint); }

.hero__dots { display: flex; gap: 0.5rem; align-items: center; flex: 1; }
.hero__dot {
  position: relative;
  width: 34px;
  height: 24px;
  display: flex;
  align-items: center;
  padding: 0;
}
.hero__dot::after {
  content: '';
  width: 100%;
  height: 2px;
  background: var(--line-strong);
  transition: background var(--t-fast);
}
.hero__dot:hover::after { background: var(--on-dark-mut); }
.hero__dot--active::after { background: var(--yellow); }

.hero__scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--on-dark-mut);
  transition: color var(--t-fast);
}
.hero__scroll:hover { color: var(--yellow); }
.hero__scroll-line {
  width: 1px;
  height: 38px;
  background: linear-gradient(var(--yellow), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--yellow);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { top: -50%; }
  100% { top: 100%; }
}

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  background: var(--yellow);
  color: var(--ink);
  padding: 1.1rem 0;
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  animation: marquee 28s linear infinite;
}
.marquee__item {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
}
.marquee__star { width: 0.6em; height: 0.6em; fill: var(--red); flex-shrink: 0; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   Sections — base
   ============================================================ */
.section { padding: clamp(5rem, 11vw, 9rem) 0; }

.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.section-head--split {
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.section-head--split > div { display: flex; align-items: center; gap: 1rem; }
.section-head__index {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--yellow);
  letter-spacing: 0.05em;
}
.section-head__label {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--on-dark-mut);
  padding-left: 1.5rem;
}
.section-head__label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 0.85rem;
  height: 1px;
  background: var(--on-dark-faint);
}

/* ============================================================
   About
   ============================================================ */
.about { background: var(--ink); }
.about__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.about__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 6.5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--on-dark);
}
.about__headline span { display: block; }

.about__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}
.about__lead {
  font-size: clamp(1.1rem, 1.7vw, 1.4rem);
  line-height: 1.7;
  color: var(--on-dark-mut);
  max-width: 38ch;
}

.stats {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--t-fast);
}
.stat:hover { padding-left: 0.85rem; }
.stat__num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1;
  color: var(--on-dark);
  display: flex;
  align-items: baseline;
}
.stat__suffix { color: var(--yellow); }
.stat__label {
  font-size: 0.9rem;
  color: var(--on-dark-mut);
  letter-spacing: 0.02em;
  text-align: right;
  max-width: 13ch;
}

/* ============================================================
   Services — light "paper" section, numbered rows
   ============================================================ */
.services {
  background: var(--paper);
  color: var(--on-light);
}
.services__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  color: var(--on-light);
  max-width: 14ch;
  text-align: right;
}
.services .section-head__label { color: var(--on-light-mut); }
.services .section-head__label::before { background: var(--on-light-mut); }

.svc-list { border-top: 1px solid var(--paper-line); }
.svc {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 2.25rem 1rem;
  border-bottom: 1px solid var(--paper-line);
  transition: padding var(--t-med), color var(--t-fast);
  cursor: default;
  overflow: hidden;
}
.svc::before {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 0;
  background: var(--ink);
  z-index: 0;
  transition: height var(--t-med);
}
.svc:hover::before { height: 100%; }
.svc > * { position: relative; z-index: 1; }
.svc:hover { color: var(--on-dark); padding-left: 2rem; padding-right: 2rem; }

.svc__num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--on-light-mut);
  transition: color var(--t-fast);
}
.svc:hover .svc__num { color: var(--yellow); }

.svc__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.2vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.svc__desc {
  font-size: 0.95rem;
  color: var(--on-light-mut);
  line-height: 1.55;
  margin-top: 0.75rem;
  max-width: 46ch;
}
.svc__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-top: 0.9rem;
}
.svc__tags li {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--on-light-mut);
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--paper-line);
  border-radius: 100px;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.svc:hover .svc__tags li {
  color: var(--on-dark-mut);
  border-color: var(--line-strong);
}
.svc__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--paper-line);
  color: var(--on-light);
  flex-shrink: 0;
  transform: rotate(0deg);
  transition: transform var(--t-med), background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.svc:hover .svc__arrow {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--ink);
  transform: rotate(45deg);
}

/* ============================================================
   Process
   ============================================================ */
.process { background: var(--ink); }
.process__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  text-align: right;
  max-width: 14ch;
}
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.step {
  background: var(--ink);
  padding: 2.5rem 1.75rem 3rem;
  position: relative;
  transition: background var(--t-med);
  min-height: 240px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  align-content: start;
}
.step:hover { background: var(--ink-2); }
.step__num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--yellow);
}
.step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 2.5rem 0 0.75rem;
  min-height: calc(1.4rem * 1.25 * 2);
}
.step__desc {
  font-size: 0.9rem;
  color: var(--on-dark-mut);
  line-height: 1.6;
}

/* ============================================================
   Partners
   ============================================================ */
.partners {
  background: var(--ink);
  padding: 4rem 0 6rem;
  border-top: 1px solid var(--line);
}
.partners__label {
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  margin-bottom: 2.5rem;
}
.partners__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(3rem, 8vw, 6rem);
  flex-wrap: wrap;
}
.partners__item {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(1) brightness(2);
  opacity: 0.5;
  transition: opacity var(--t-med), filter var(--t-med);
}
.partners__item:hover { opacity: 1; filter: none; }
.partners__logo { display: block; width: auto; }
.partners__logo--dek { height: 46px; fill: var(--on-dark); }
.partners__item:hover .partners__logo--dek { fill: #E20614; }
.partners__logo--cez { height: 46px; width: 46px; }
.partners__logo--cez rect { fill: var(--on-dark); }
.partners__cez-mark { fill: var(--ink); }
.partners__item:hover .partners__logo--cez rect { fill: #F15A22; }
.partners__item:hover .partners__cez-mark { fill: #fff; }

/* ============================================================
   Contact
   ============================================================ */
.contact { background: var(--ink-2); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
}
.contact__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 1.5rem 0;
}
.contact__headline span { display: block; }
.contact__intro {
  font-size: 1.05rem;
  color: var(--on-dark-mut);
  line-height: 1.7;
  max-width: 42ch;
  margin-bottom: 2.5rem;
}
.contact__items {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--t-fast);
}
a.contact__item:hover { padding-left: 0.75rem; }
.contact__item-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
}
.contact__item-value {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--on-dark);
  transition: color var(--t-fast);
}
a.contact__item:hover .contact__item-value { color: var(--yellow); }

/* Form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.75rem);
}
.field { position: relative; margin-bottom: 1.5rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 1.4rem 1rem 0.6rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--on-dark);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}
.field textarea { resize: vertical; min-height: 120px; padding-top: 1.6rem; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255, 196, 0, 0.14);
}

/* Floating label */
.field label {
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  font-size: 0.95rem;
  color: var(--on-dark-faint);
  pointer-events: none;
  transition: transform var(--t-fast), font-size var(--t-fast), color var(--t-fast);
  transform-origin: left top;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-0.65rem) scale(0.82);
  color: var(--yellow);
}
.field__label--static {
  position: absolute;
  left: 1rem;
  top: 0.45rem;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--on-dark-faint);
}
.field select {
  appearance: none;
  cursor: pointer;
  padding-top: 1.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23FFC400' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.field--select select:invalid {
  color: transparent;
}
.field--select select:valid {
  color: var(--on-dark);
}
.field select option { background: var(--surface); color: var(--on-dark); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.field input.error,
.field select.error,
.field textarea.error { border-color: var(--red); }

.form-success {
  margin-top: 1.25rem;
  padding: 1rem;
  background: rgba(255, 196, 0, 0.1);
  border: 1px solid var(--yellow);
  border-radius: var(--radius);
  color: var(--on-dark);
  font-size: 0.9rem;
  text-align: center;
}

.form-error {
  margin-top: 1.25rem;
  padding: 1rem;
  background: rgba(232, 34, 30, 0.1);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  color: var(--on-dark);
  font-size: 0.9rem;
  text-align: center;
}

.btn[aria-busy="true"] { opacity: 0.7; cursor: wait; }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--ink); padding: clamp(3rem, 6vw, 5rem) 0 2.5rem; border-top: 1px solid var(--line); }
.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}
.footer__wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 12vw, 9rem);
  line-height: 0.85;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--on-dark);
}
.footer__cta {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--on-dark);
  transition: color var(--t-fast), gap var(--t-fast);
}
.footer__cta:hover { color: var(--yellow); gap: 1.5rem; }
.footer__cta svg { transition: transform var(--t-med); }
.footer__cta:hover svg { transform: rotate(45deg); }

.footer__bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__tagline {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 0.6rem;
}
.footer__copy { font-size: 0.8rem; color: var(--on-dark-faint); }
.footer__nav { display: flex; gap: 1.75rem; }
.footer__nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--on-dark-mut);
  transition: color var(--t-fast);
}
.footer__nav a:hover { color: var(--yellow); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  :root { --gutter: 1.75rem; }
  .about__body { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__lead { max-width: 100%; }
  .process__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .services__title, .process__title { text-align: left; max-width: 100%; }
}

@media (max-width: 768px) {
  :root { --header-h: 82px; }

  .logo__img,
  .header--scrolled .logo__img { height: 48px; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 900;
    height: 100svh;
    background: var(--logo-yellow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--header-h) + 1.5rem) var(--gutter) 3rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    overflow-y: auto;
    transition: transform 0.55s var(--ease), opacity 0.4s var(--ease), visibility 0.55s var(--ease);
  }

  /* When mobile menu is open, let the yellow fill the whole screen (header transparent) */
  body.nav-open .header {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: transparent;
  }
  .nav--open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; align-items: flex-start; gap: 0; }
  .nav__link {
    display: flex;
    align-items: baseline;
    gap: 0.8rem;
    padding: 0.45rem 0;
    font-family: var(--font-display);
    font-size: clamp(2.1rem, 9vw, 3.25rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color var(--t-fast);
  }
  .nav__link:hover { color: var(--red); }
  .nav__num { font-size: 0.85rem; color: var(--red); }
  .nav__link::after { display: none; }
  .nav--open .nav__link { opacity: 1; transform: none; }
  .nav--open .nav__list li:nth-child(1) .nav__link { transition-delay: 0.12s; }
  .nav--open .nav__list li:nth-child(2) .nav__link { transition-delay: 0.18s; }
  .nav--open .nav__list li:nth-child(3) .nav__link { transition-delay: 0.24s; }
  .nav--open .nav__list li:nth-child(4) .nav__link { transition-delay: 0.30s; }

  .nav__foot {
    display: block;
    margin-top: 2.75rem;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s var(--ease) 0.36s, transform 0.5s var(--ease) 0.36s;
  }
  .nav--open .nav__foot { opacity: 1; transform: none; }
  .nav__email {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ink);
    border-bottom: 2px solid var(--red);
    padding-bottom: 3px;
  }

  .nav-toggle { display: flex; }
  .header__cta { display: none; }

  /* Keep logo + toggle above the full-screen yellow overlay so X stays clickable */
  .logo,
  .nav-toggle { position: relative; z-index: 950; }

  /* Full-screen hero on mobile, no extra zoom so wide photos aren't blown up */
  .hero { min-height: 100svh; }
  .hero__slide img,
  .hero__slide--active img {
    transform: none;
    animation: none;
  }

  .hero__footer { flex-wrap: wrap; gap: 1.25rem; }
  .hero__scroll { display: none; }
  .hero__dots { order: 3; width: 100%; }

  .svc {
    grid-template-columns: auto 1fr;
    gap: 1rem 1.25rem;
    padding: 1.75rem 0.5rem;
  }
  .svc:hover { padding-left: 1rem; padding-right: 1rem; }
  .svc__arrow { display: none; }

  .process__grid { grid-template-columns: 1fr; }
  .step { min-height: auto; padding: 2rem 1.5rem; }
  .step__title { margin-top: 1.5rem; }

  .footer__top { flex-direction: column; align-items: flex-start; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; }
  .hero__actions { width: 100%; }
  .hero__actions .btn { flex: 1; }
  .lang-switch { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__slide--active img { animation: none; transform: scale(1); }
}