/* =========================================================
   RS VILA OBŘANY — microsite styles
   ========================================================= */

/* ── VARIABLES ── */
:root {
  --c-bg:        #141312;
  --c-bg2:       #1e1f18;
  --c-bg3:       #25281f;
  --c-light:     #f3efe6;
  --c-muted:     rgba(243,239,230,.52);
  --c-accent:    #b89a63;
  --c-accent-h:  #cbaf79;
  --c-green:     #72795f;
  --c-red:       #e60241;
  --c-border:    rgba(184,154,99,.18);

  --ff-serif:    'Cormorant Garamond', Georgia, serif;
  --ff-sans:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --nav-h:       72px;
  --w-max:       1280px;
  --w-wide:      1520px;

  --ease:        cubic-bezier(.4,0,.2,1);
  --ease-out:    cubic-bezier(0,0,.2,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--c-bg);
  color: var(--c-light);
  font-family: var(--ff-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img   { display: block; max-width: 100%; height: auto; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4 {
  font-family: var(--ff-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.8rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.8rem); }
h3 { font-size: clamp(1rem, 1.8vw, 1.3rem); }

.section-label {
  display: block;
  font-family: var(--ff-sans);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1rem;
}

/* ── LAYOUT ── */
.container      { max-width: var(--w-max);  margin: 0 auto; padding: 0 2rem; }
.container-wide { max-width: var(--w-wide); margin: 0 auto; padding: 0 2rem; }

/* ── BUTTON ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .95rem 2.5rem;
  background: var(--c-accent);
  color: var(--c-bg);
  font-family: var(--ff-sans);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: background .3s var(--ease), letter-spacing .3s var(--ease);
  border: none;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover  { background: var(--c-accent-h); letter-spacing: .18em; }
.btn-block          { width: 100%; }
.btn-loading        { display: none; }
.btn-primary.loading .btn-text    { display: none; }
.btn-primary.loading .btn-loading { display: inline; }

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   NAVIGATION
   ========================================================= */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 90;
  transition: background .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(20,19,18,.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--c-border);
}

.nav-inner {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo img {
  filter: brightness(0) invert(1);
  height: 30px;
  width: auto;
  transition: opacity .2s;
}
.nav-logo:hover img { opacity: .75; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(243,239,230,.7);
  transition: color .2s;
}
.nav-links a:hover { color: var(--c-light); }

.nav-cta {
  padding: .55rem 1.4rem !important;
  border: 1px solid var(--c-accent) !important;
  color: var(--c-accent) !important;
  transition: background .3s, color .3s !important;
}
.nav-cta:hover {
  background: var(--c-accent) !important;
  color: var(--c-bg) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 6px;
  z-index: 91;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--c-light);
  transition: transform .3s var(--ease), opacity .3s;
}
.nav-toggle-label {
  width: auto !important;
  height: auto !important;
  background: none !important;
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--c-light);
  margin-top: 2px;
  transition: none !important;
}

/* =========================================================
   MOBILE MENU
   ========================================================= */
#mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 89;
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 6rem 2rem 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s var(--ease);
}
#mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
#mobile-menu ul {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
#mobile-menu ul a {
  font-family: var(--ff-serif);
  font-size: 1.9rem;
  font-weight: 300;
  color: var(--c-light);
  transition: color .2s;
}
#mobile-menu ul a:hover { color: var(--c-accent); }
.mobile-menu-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 280px;
}
.mobile-menu-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: .85rem 1.5rem;
  border: 1px solid var(--c-accent);
  color: var(--c-accent) !important;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .3s, color .3s !important;
}
.mobile-menu-cta:hover {
  background: var(--c-accent) !important;
  color: var(--c-bg) !important;
}
.mobile-menu-phone {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: rgba(243,239,230,.55) !important;
  font-size: .8rem;
  letter-spacing: .05em;
  transition: color .2s !important;
}
.mobile-menu-phone:hover { color: var(--c-light) !important; }

/* =========================================================
   HERO
   ========================================================= */
#hero {
  position: relative;
  height: 100svh;
  min-height: 580px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 9vh;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -5%;
  background-size: cover;
  background-position: center 55%;
  will-change: transform;
  transition: transform 14s ease;
}
.hero-bg.zoomed { transform: scale(.95) translateY(2%); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(20,19,18,.5)  0%,
      rgba(20,19,18,.15) 30%,
      rgba(20,19,18,.55) 60%,
      rgba(20,19,18,.95) 100%
    );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--w-wide);
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(2rem, 8vw, 10rem);
}
.hero-label {
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--c-light);
  margin-bottom: 1.75rem;
  text-shadow: 0 1px 12px rgba(0,0,0,.7);
}
.hero-content h1 {
  max-width: 640px;
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 0;
  color: var(--c-light);
}

.hero-divider {
  width: 44px;
  height: 1px;
  background: var(--c-accent);
  margin: 2rem 0;
  opacity: .75;
}

.hero-params {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin-bottom: 2.75rem;
}
.hero-params span {
  white-space: nowrap;
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(243,239,230,.9);
  text-shadow: 0 1px 10px rgba(0,0,0,.65);
}
.hero-params span + span::before {
  content: '·';
  margin: 0 1rem;
  color: var(--c-accent);
  opacity: 1;
}

.hero-scroll {
  position: absolute;
  right: 2.5rem;
  bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  z-index: 2;
}
.hero-scroll span {
  font-size: .58rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(243,239,230,.4);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--c-accent), transparent);
  animation: scrollPulse 2.2s ease infinite;
}
@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  40%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  60%  { opacity: 1; transform: scaleY(1); transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* =========================================================
   INTRO
   ========================================================= */
#intro {
  padding: 8rem 0 7rem;
  background: var(--c-bg);
}
.intro-inner {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 4rem;
  align-items: center;
}
.intro-text blockquote {
  font-family: var(--ff-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.55;
  color: var(--c-light);
  border-left: 2px solid var(--c-accent);
  padding-left: 2rem;
}
.intro-image {
  position: relative;
  overflow: hidden;
}
.intro-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.intro-image:hover img { transform: scale(1.03); }
.intro-image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: .7rem 1rem;
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(243,239,230,.5);
  background: linear-gradient(transparent, rgba(20,19,18,.7));
}

/* =========================================================
   STATS
   ========================================================= */
#stats {
  background: var(--c-bg3);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  max-width: var(--w-wide);
  margin: 0 auto;
}
.stat-item {
  padding: 3.5rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--c-border);
  transition: background .3s;
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(184,154,99,.04); }
.stat-number {
  display: block;
  font-family: var(--ff-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400;
  color: var(--c-accent);
  line-height: 1;
}
.stat-unit {
  font-family: var(--ff-serif);
  font-size: 1rem;
  color: var(--c-muted);
}
.stat-label {
  display: block;
  margin-top: .6rem;
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* =========================================================
   SECTION SPLIT (shared — exterior & interior)
   ========================================================= */
.section-split {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 5rem;
  align-items: center;
  padding: 7rem 0;
}
.section-split--reverse {
  grid-template-columns: 2fr 3fr;
}
.section-split--reverse .section-split-image  { order: 2; }
.section-split--reverse .section-split-content { order: 1; }

.section-split-image {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.section-split-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.section-split-image:hover img { transform: scale(1.03); }

.section-split-content h2 { margin-bottom: 2rem; }

.feature-list { display: flex; flex-direction: column; }
.feature-list li {
  padding: .8rem 0 .8rem 1.25rem;
  border-bottom: 1px solid rgba(184,154,99,.1);
  font-size: .88rem;
  color: rgba(243,239,230,.72);
  position: relative;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--c-accent);
}

/* =========================================================
   EXTERIOR
   ========================================================= */
#exterior { background: var(--c-bg); }

.ext-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.ext-img { overflow: hidden; aspect-ratio: 4/3; }
.ext-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.ext-img:hover img { transform: scale(1.06); }

/* =========================================================
   INTERIOR
   ========================================================= */
#interior { background: var(--c-bg3); }

.int-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: repeat(2, auto);
}
.int-img { overflow: hidden; aspect-ratio: 4/3; }
.int-img--large {
  grid-row: span 2;
  aspect-ratio: auto;
  min-height: 100%;
}
.int-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.int-img:hover img { transform: scale(1.04); }

/* =========================================================
   TECHNOLOGY
   ========================================================= */
#technologie {
  padding: 8rem 0;
  background: var(--c-bg);
}
.tech-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 5rem;
}
.tech-header h2    { margin-bottom: 1.25rem; }
.tech-intro {
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.75;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--c-border);
  gap: 1px;
  background: var(--c-border);
}
.tech-item {
  background: var(--c-bg);
  padding: 2.5rem 2rem;
  transition: background .3s;
}
.tech-item:hover { background: rgba(37,40,31,.85); }
.tech-icon {
  width: 36px; height: 36px;
  margin-bottom: 1.4rem;
  color: var(--c-accent);
}
.tech-icon svg { width: 100%; height: 100%; }
.tech-item h3 {
  font-family: var(--ff-sans);
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: .45rem;
  color: var(--c-light);
}
.tech-item p {
  font-size: .78rem;
  color: var(--c-muted);
  line-height: 1.55;
}

/* =========================================================
   VIDEO
   ========================================================= */
#video {
  padding: 7rem 0 0;
  background: var(--c-bg3);
}
.video-header {
  text-align: center;
  margin-bottom: 3rem;
}
.video-header h2 { margin-top: .5rem; }
.video-wrapper {
  position: relative;
  padding-bottom: calc(56.25% * 0.78);
  height: 0;
  overflow: hidden;
  margin: 3rem auto 0;
  max-width: 78%;
}
.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
@media (max-width: 960px) {
  .video-wrapper { max-width: 100%; padding-bottom: 56.25%; }
}

/* =========================================================
   GALLERY
   ========================================================= */
#galerie {
  padding: 7rem 0 6rem;
  background: var(--c-bg3);
}
.gallery-header { margin-bottom: 3rem; }
.gallery-header h2 { margin-top: .5rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .55s var(--ease);
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20,19,18,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s;
}
.gallery-overlay span {
  font-family: var(--ff-sans);
  font-size: 2rem;
  font-weight: 200;
  color: var(--c-light);
  opacity: 0;
  transform: scale(.5);
  transition: opacity .3s, transform .3s;
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-item:hover .gallery-overlay { background: rgba(20,19,18,.45); }
.gallery-item:hover .gallery-overlay span { opacity: 1; transform: scale(1); }
.gallery-item:focus {
  outline: 2px solid var(--c-accent);
  outline-offset: -2px;
}

/* ── Gallery more button ── */
.gallery-more {
  text-align: center;
  padding: 3.5rem 0 1rem;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .9rem 2.8rem;
  border: 1px solid var(--c-accent);
  color: var(--c-accent);
  font-family: var(--ff-sans);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: background .3s var(--ease), color .3s var(--ease), letter-spacing .3s var(--ease);
  text-decoration: none;
}
.btn-outline:hover {
  background: var(--c-accent);
  color: var(--c-bg);
  letter-spacing: .18em;
}

/* ── zoomable — všechny clickable obrázky mimo galerii ── */
.zoomable {
  cursor: zoom-in;
  position: relative;
}
.zoomable::after {
  content: '+';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-sans);
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--c-light);
  background: rgba(20,19,18,0);
  opacity: 0;
  transition: background .3s var(--ease), opacity .3s var(--ease);
  pointer-events: none;
  z-index: 2;
}
.zoomable:hover::after {
  background: rgba(20,19,18,.38);
  opacity: 1;
}
.zoomable:focus {
  outline: 2px solid var(--c-accent);
  outline-offset: -2px;
}

/* =========================================================
   LIGHTBOX
   ========================================================= */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,9,9,.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
#lightbox.open {
  opacity: 1;
  pointer-events: auto;
}
#lb-wrap {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
}
#lb-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
}
#lb-caption {
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
}
#lb-close {
  position: fixed;
  top: 1.25rem; right: 1.25rem;
  font-size: 2.2rem;
  line-height: 1;
  color: rgba(243,239,230,.6);
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .2s;
}
#lb-close:hover { color: var(--c-light); }
#lb-prev, #lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.5rem;
  line-height: 1;
  font-weight: 200;
  color: rgba(243,239,230,.5);
  width: 64px; height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .2s;
}
#lb-prev { left: .75rem; }
#lb-next { right: .75rem; }
#lb-prev:hover, #lb-next:hover { color: var(--c-light); }

/* =========================================================
   LOCATION
   ========================================================= */
#lokalita {
  padding: 8rem 0 0;
  background: var(--c-bg);
}
.lokalita-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-bottom: 5rem;
}
.lokalita-intro {
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 3rem;
}
.location-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--c-border);
}
.location-feature {
  padding: 1.5rem;
  border-right: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  text-align: center;
}
.location-feature:nth-child(2n)  { border-right: none; }
.location-feature:nth-child(5),
.location-feature:nth-child(6)   { border-bottom: none; }
.loc-time {
  display: block;
  font-family: var(--ff-serif);
  font-size: 1.7rem;
  color: var(--c-accent);
  margin-bottom: .35rem;
}
.loc-desc {
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.lokalita-drone {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.lokalita-drone img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.lokalita-drone:hover img { transform: scale(1.03); }

.map-wrapper { height: 460px; overflow: hidden; }
.map-wrapper iframe {
  width: 100%; height: 100%;
  border: none;
  /* dark-mode map trick */
  filter: invert(92%) hue-rotate(180deg) saturate(.55) brightness(.88);
  display: block;
}

/* =========================================================
   CONTACT
   ========================================================= */
#kontakt {
  padding: 8rem 0;
  background: var(--c-bg3);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.contact-left h2 { margin-bottom: 1.25rem; }
.contact-text {
  font-size: .88rem;
  color: var(--c-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.broker-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem;
  border: 1px solid var(--c-border);
  background: rgba(20,19,18,.4);
}
.broker-photo {
  width: 80px; height: 96px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--c-bg);
}
.broker-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}
.broker-name {
  font-family: var(--ff-serif);
  font-size: 1.15rem;
  margin-bottom: .2rem;
}
.broker-title {
  font-size: .7rem;
  letter-spacing: .07em;
  color: var(--c-muted);
  margin-bottom: 1rem;
}
.broker-contact {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .82rem;
  color: rgba(243,239,230,.75);
  margin-bottom: .45rem;
  transition: color .2s;
}
.broker-contact:hover { color: var(--c-accent); }
.broker-contact svg { width: 13px; height: 13px; flex-shrink: 0; color: var(--c-accent); }

/* form */
.contact-right {
  padding: 2.5rem;
  border: 1px solid var(--c-border);
  background: rgba(20,19,18,.5);
}
.form-group { margin-bottom: 1.4rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group label {
  display: block;
  font-size: .67rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: .45rem;
}
.form-group label span { color: var(--c-accent); }
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(243,239,230,.04);
  border: 1px solid rgba(184,154,99,.22);
  color: var(--c-light);
  padding: .8rem 1rem;
  font-family: var(--ff-sans);
  font-size: .88rem;
  font-weight: 300;
  outline: none;
  transition: border-color .25s, background .25s;
  border-radius: 0;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(243,239,230,.25); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--c-accent);
  background: rgba(243,239,230,.06);
}
.form-group textarea { resize: vertical; min-height: 88px; }

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--c-red) !important;
  background: rgba(230,2,65,.06) !important;
}
.field-error {
  display: block;
  margin-top: .35rem;
  font-size: .67rem;
  color: var(--c-red);
  letter-spacing: .04em;
}

.form-note {
  margin-top: 1rem;
  font-size: .68rem;
  color: var(--c-muted);
  text-align: center;
  line-height: 1.5;
}

/* success */
#form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  color: var(--c-light);
}
#form-success svg {
  width: 40px; height: 40px;
  color: var(--c-accent);
  stroke-width: 2;
}
#form-success p { font-size: 1rem; }
#form-success[hidden] { display: none; }

/* =========================================================
   FOOTER
   ========================================================= */
#footer {
  padding: 2.25rem 0;
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo-link { line-height: 0; }
.footer-logo {
  filter: brightness(0) invert(1);
  opacity: .4;
  height: 28px;
  width: auto;
  transition: opacity .2s;
}
.footer-logo-link:hover .footer-logo { opacity: .65; }
.footer-copy {
  font-size: .72rem;
  color: var(--c-muted);
}
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  color: var(--c-accent);
  transition: opacity .2s;
}
.footer-link:hover { opacity: .7; }
.footer-link svg { width: 11px; height: 11px; }

/* =========================================================
   RESPONSIVE — 1200px
   ========================================================= */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-item:nth-child(3) { border-right: none; }
  .stat-item:nth-child(4) { border-top: 1px solid var(--c-border); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .ext-grid  { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================================
   RESPONSIVE — 960px
   ========================================================= */
@media (max-width: 960px) {
  .nav-links  { display: none; }
  .nav-toggle { display: flex; }

  .intro-inner { grid-template-columns: 1fr; gap: 3rem; }

  .section-split,
  .section-split--reverse {
    grid-template-columns: 1fr;
    padding: 5rem 0;
    gap: 3rem;
  }
  .section-split--reverse .section-split-image  { order: 0; }
  .section-split--reverse .section-split-content { order: 0; }

  .int-grid { grid-template-columns: 1fr 1fr; }
  .int-img--large { grid-row: span 1; aspect-ratio: 4/3; }

  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }

  .lokalita-top { grid-template-columns: 1fr; gap: 3rem; }
  .lokalita-drone { display: none; }
}

/* =========================================================
   RESPONSIVE — 640px
   ========================================================= */
@media (max-width: 640px) {
  :root { --nav-h: 60px; }

  .hero-params span { font-size: .62rem; }
  .hero-content h1  { font-size: clamp(2.2rem, 8vw, 3rem); }
  .hero-scroll  { display: none; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid var(--c-border); border-top: 1px solid var(--c-border); }
  .stat-item:nth-child(4) { border-right: none; border-top: 1px solid var(--c-border); }
  .stat-item:nth-child(5) { border-right: 1px solid var(--c-border); border-top: 1px solid var(--c-border); }
  .stat-item:nth-child(6) { border-right: none; border-top: 1px solid var(--c-border); }

  .gallery-grid  { grid-template-columns: repeat(2, 1fr); }
  .ext-grid      { grid-template-columns: repeat(2, 1fr); }
  .int-grid      { grid-template-columns: 1fr; }
  .tech-grid     { grid-template-columns: 1fr; }

  .form-row      { grid-template-columns: 1fr; gap: 0; }
  .contact-right { padding: 1.75rem 1.25rem; }

  .broker-card   { flex-direction: column; align-items: flex-start; }

  .footer-inner  { flex-direction: column; align-items: flex-start; }
  .footer-copy   { order: 3; }
}

/* =========================================================
   RESPONSIVE — 400px
   ========================================================= */
@media (max-width: 400px) {
  .gallery-grid { grid-template-columns: 1fr; }
}