/* ── RESET & BASE ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ksh-dark:  #2d1a0e;
  --ksh-navy:  #7a4a2a;
  --ksh-blue:  #a87858;
  --ksh-gold:  #c49078;
  --ksh-gold2: #dbb09a;
  --ksh-gray:  #f5ede3;
  --ksh-mid:   #e8d5c2;
  --text:      #2d1a0e;
  --text-muted:#8b6855;
  --radius:    12px;
  --transition:.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAVIGATION ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.nav.scrolled {
  background: rgba(45, 26, 14, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
  padding: .8rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
}
.nav-logo-mark {
  width: 38px; height: 38px;
  background: var(--ksh-gold);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: .85rem;
  color: var(--ksh-dark);
  letter-spacing: -.03em;
  flex-shrink: 0;
}
.nav-logo-text {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.02em;
}
.nav-logo-text span { color: var(--ksh-gold); }
.nav-logo-img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .2rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  padding: .45rem .85rem;
  border-radius: 7px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-links .nav-cta {
  background: var(--ksh-gold);
  color: var(--ksh-dark) !important;
  font-weight: 700;
  margin-left: .5rem;
  padding: .5rem 1.1rem;
}
.nav-links .nav-cta:hover { background: var(--ksh-gold2); }

/* hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .4rem;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ─────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--ksh-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero-bg.loaded { transform: scale(1); }
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(0,0,0,.78) 0%, rgba(0,0,0,.50) 60%, rgba(0,0,0,.25) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-layout {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 10rem 2rem 6rem;
}
.hero-content {
  max-width: 580px;
}
.hero-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo {
  width: 100%;
  max-width: 700px;
  height: auto;
  filter: drop-shadow(0 8px 40px rgba(0,0,0,.4));
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(201,162,39,.15);
  border: 1px solid rgba(201,162,39,.3);
  color: var(--ksh-gold2);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem .85rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--ksh-gold);
  border-radius: 50%;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.04em;
  margin-bottom: 1.25rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--ksh-gold);
}
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.65);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.75rem;
  border-radius: 9px;
  font-weight: 700;
  font-size: .925rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn-gold {
  background: var(--ksh-gold);
  color: var(--ksh-dark);
}
.btn-gold:hover { background: var(--ksh-gold2); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(201,162,39,.35); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.3);
}
.btn-outline:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.6); }

.hero-stats {
  position: absolute;
  z-index: 3;
  bottom: 3rem;
  left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 0 2rem;
}
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 1.9rem; font-weight: 800; color: #fff; line-height: 1; }
.hero-stat-num span { color: var(--ksh-gold); }
.hero-stat-lbl { font-size: .72rem; color: rgba(255,255,255,.45); text-transform: uppercase; letter-spacing: .1em; margin-top: .2rem; }

/* ── SECTION COMMONS ──────────────────────────────────────────── */
section { padding: 6rem 0; }
.section-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ksh-gold);
  margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.035em;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.7;
}
.section-header { margin-bottom: 3.5rem; }

/* ── SERVICES ─────────────────────────────────────────────────── */
#sluzby { background: var(--ksh-gray); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  border-radius: var(--radius);
  border: 1.5px solid var(--ksh-mid);
  padding: 2.25rem 2rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  background: #fff;
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ksh-gold), var(--ksh-gold2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.service-card:hover {
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,.09);
}
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  width: 52px; height: 52px;
  background: rgba(201,162,39,.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  color: var(--ksh-gold);
}
.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .65rem;
  letter-spacing: -.02em;
}
.service-card p {
  color: var(--text-muted);
  font-size: .925rem;
  line-height: 1.7;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: 1.25rem;
}
.service-tag {
  font-size: .7rem;
  font-weight: 600;
  padding: .25rem .65rem;
  background: var(--ksh-gray);
  border-radius: 100px;
  color: var(--text-muted);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 1.25rem;
  font-size: .85rem;
  font-weight: 700;
  color: var(--ksh-gold);
  text-decoration: none;
  transition: gap var(--transition);
}
.service-link:hover { gap: .7rem; }

/* ── O NÁS ────────────────────────────────────────────────────── */
#o-nas { background: #fff; }
.onas-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.onas-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.onas-value {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.25rem;
  border-left: 3px solid var(--ksh-gold);
}
.onas-value h4 {
  font-size: .925rem;
  font-weight: 700;
  margin-bottom: .3rem;
}
.onas-value p {
  font-size: .825rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.onas-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.onas-stat-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.onas-stat-box.dark {
  background: var(--ksh-navy);
  color: #fff;
}
.onas-stat-box.pink {
  background: var(--ksh-gold2);
  color: var(--ksh-dark);
}
.onas-stat-box.pink .onas-stat-num { color: var(--ksh-dark); }
.onas-stat-box.pink .onas-stat-lbl { color: var(--ksh-navy); }
.onas-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ksh-gold);
  line-height: 1;
}
.onas-stat-lbl {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: .35rem;
}
.onas-stat-box.dark .onas-stat-lbl { color: rgba(255,255,255,.55); }

/* ── TÝM ──────────────────────────────────────────────────────── */
#tym { background: #fff; }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.team-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid var(--ksh-mid);
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.09);
}
.team-photo {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--ksh-navy), var(--ksh-blue));
  color: var(--ksh-gold);
  letter-spacing: -.03em;
}
.team-info { padding: 1.25rem 1rem 1.4rem; }
.team-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .2rem;
}
.team-role {
  font-size: .78rem;
  color: var(--ksh-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
}

/* ── REFERENCE ────────────────────────────────────────────────── */
#reference {
  background: var(--ksh-dark);
  color: #fff;
}
#reference .section-title { color: #fff; }
#reference .section-sub { color: rgba(255,255,255,.6); }
.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}
.ref-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: background var(--transition), border-color var(--transition);
}
.ref-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(201,162,39,.4);
}
.ref-icon { font-size: 2rem; margin-bottom: 1rem; color: rgba(255,255,255,.85); display: flex; }
.ref-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .6rem;
}
.ref-card p {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
}
.ref-items {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.ref-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .825rem;
  color: rgba(255,255,255,.7);
}
.ref-item::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--ksh-gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── AKTUALITY ────────────────────────────────────────────────── */
#aktuality { background: #fff; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.blog-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid var(--ksh-mid);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.08);
}
.blog-thumb {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,.85);
}
.blog-thumb.t1 { background: linear-gradient(135deg, var(--ksh-dark), var(--ksh-navy)); }
.blog-thumb.t2 { background: linear-gradient(135deg, #9a6840, #7a5030); }
.blog-thumb.t3 { background: linear-gradient(135deg, var(--ksh-navy), var(--ksh-dark)); }
.blog-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-date {
  font-size: .72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .5rem;
}
.blog-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .6rem;
  line-height: 1.35;
}
.blog-card p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}
.blog-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: 1rem;
  font-size: .825rem;
  font-weight: 700;
  color: var(--ksh-navy);
  text-decoration: none;
}
.blog-link:hover { color: var(--ksh-dark); }
#aktuality .section-tag { color: var(--ksh-navy); }
.blog-link svg { transition: transform var(--transition); }
.blog-link:hover svg { transform: translateX(3px); }

/* ── KONTAKT ──────────────────────────────────────────────────── */
#kontakt { background: var(--ksh-gray); }
.kontakt-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}
.kontakt-info-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.kontakt-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.kontakt-ico {
  width: 44px; height: 44px;
  background: rgba(201,162,39,.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  color: var(--ksh-dark);
}
.kontakt-item-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  margin-bottom: .15rem;
}
.kontakt-item-val {
  font-size: .975rem;
  font-weight: 600;
  color: var(--text);
}
.kontakt-item-val a {
  color: inherit;
  text-decoration: none;
}
.kontakt-item-val a:hover { color: var(--ksh-gold); }

/* Formulář */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.fld-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.fld {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.fld label {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
}
.fld input, .fld textarea, .fld select {
  width: 100%;
  padding: .85rem 1rem;
  border: 1.5px solid var(--ksh-mid);
  border-radius: 9px;
  font-size: .925rem;
  font-family: inherit;
  color: var(--text);
  background: var(--ksh-gray);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}
.fld input:focus, .fld textarea:focus, .fld select:focus {
  border-color: var(--ksh-gold);
  background: #fff;
}
.fld textarea { resize: vertical; min-height: 130px; }
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--ksh-gold);
  color: var(--ksh-dark);
  font-weight: 800;
  font-size: 1rem;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}
.btn-submit:hover { background: var(--ksh-gold2); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(201,162,39,.3); }

/* ── FOOTER ───────────────────────────────────────────────────── */
footer {
  background: var(--ksh-dark);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 1.5rem;
}
footer .nav-logo-img {
  height: 100px;
  width: auto;
  object-fit: contain;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.footer-links a {
  color: rgba(255,255,255,.45);
  text-decoration: none;
  font-size: .85rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: rgba(255,255,255,.85); }
.footer-copy {
  color: rgba(255,255,255,.3);
  font-size: .78rem;
  text-align: center;
}

/* ── TOAST ────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--ksh-navy);
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
  font-size: .9rem;
  display: none;
  z-index: 9999;
  border-left: 4px solid var(--ksh-gold);
}
.toast.show { display: block; animation: slideIn .3s ease; }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ───────────────────────────────────────────────── */

/* Tablet landscape (max 1024px) */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .team-grid     { grid-template-columns: repeat(2, 1fr); }
  .ref-grid      { grid-template-columns: 1fr 1fr; }
  .blog-grid     { grid-template-columns: 1fr 1fr; }
  .onas-layout   { grid-template-columns: 1fr; gap: 3rem; }
  .onas-visual   { display: none; }
  .kontakt-layout { gap: 3rem; }
}

/* Tablet portrait + mobile (max 768px) */
@media (max-width: 768px) {
  .container { padding: 0 1.25rem; }
  section    { padding: 3.5rem 0; }

  /* Nav — vždy tmavé pozadí, aby hamburger byl vidět */
  .nav { background: rgba(45,26,14,.97); padding: .9rem 0; }
  .nav-links    { display: none; }
  .nav-hamburger { display: flex; }

  /* Hero */
  .hero-layout { grid-template-columns: 1fr; padding: 6.5rem 1.25rem 5.5rem; gap: 2rem; }
  .hero-logo { max-width: 220px; }
  .hero-logo-wrap { display: none; }
  .hero-content { padding: 0; }
  .hero-desc    { font-size: 1rem; }
  .hero-btns    { flex-direction: column; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .hero-stats   { gap: 1.25rem; padding: 0 1.25rem; bottom: 1.5rem; }
  .hero-stat-num { font-size: 1.35rem; }

  /* Grids */
  .services-grid { grid-template-columns: 1fr; }
  .ref-grid      { grid-template-columns: 1fr; }
  .blog-grid     { grid-template-columns: 1fr; }
  .onas-values   { grid-template-columns: 1fr; }

  /* O nás */
  .onas-layout   { gap: 2rem; }

  /* Section header */
  .section-header { margin-bottom: 2.5rem; }

  /* Kontakt */
  .kontakt-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .fld-row-2      { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner   { flex-direction: column; gap: 1.5rem; text-align: center; }
  .footer-links   { flex-wrap: wrap; justify-content: center; gap: 1rem; }

  /* Toast */
  .toast { bottom: 1rem; right: 1rem; left: 1rem; text-align: center; }
}

/* Malý telefon (max 480px) */
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  section    { padding: 3rem 0; }

  .hero-content { padding: 6rem 1rem 6rem; }
  .hero-stats   { flex-wrap: wrap; justify-content: space-around; gap: 1.5rem 2rem; bottom: 1rem; }
  .hero-stat-num { font-size: 1.25rem; }

  .service-card { padding: 1.75rem 1.25rem; }
  .blog-thumb   { height: 140px; font-size: 2.2rem; }

  .kontakt-ico  { width: 38px; height: 38px; font-size: 1rem; }
}