/* ==========================================================
   UNICHLAD — Klimatizácie & tepelné čerpadlá
   Cool cyan + navy theme (Tech & Modern)
   ========================================================== */

/* ---------- RESET ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
ul, ol { list-style: none; }

/* ---------- THEME VARIABLES ---------- */
:root {
  /* Colors */
  --color-primary: #0891B2;      /* cyan-600 */
  --color-primary-dark: #0E7490; /* cyan-700 */
  --color-accent: #06B6D4;       /* cyan-500 */
  --color-dark: #0B1220;         /* deep navy */
  --color-secondary: #1E293B;    /* slate-800 */
  --color-text: #1F2937;
  --color-text-light: #64748B;
  --color-text-on-dark: #CBD5E1;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;       /* slate-50 */
  --color-surface: #ECFEFF;      /* cyan-50 */
  --color-border: #E2E8F0;

  /* Warmth palette — heat pump / heating context (per client: 'evokuje teplo') */
  --color-warm: #dc2626;          /* red-600 */
  --color-warm-dark: #b91c1c;     /* red-700 */
  --color-warm-soft: #fef2f2;     /* red-50 */

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --section-padding-y: 96px;
  --border-radius: 14px;
  --border-radius-lg: 20px;
  --transition: 0.3s ease;

  scroll-behavior: smooth;
}

/* ---------- BASE TYPOGRAPHY ---------- */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 2px; }
p  { color: var(--color-text-light); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- SKIP LINK ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 9999;
  font-weight: 600;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { top: 0; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}
.btn-link {
  padding: 0;
  color: var(--color-primary);
  font-weight: 600;
  background: none;
}
.btn-link:hover { color: var(--color-primary-dark); }
.btn-block { width: 100%; }
.btn-small { padding: 10px 20px; font-size: 0.85rem; }
.btn-large { padding: 18px 36px; font-size: 1rem; }
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---------- SECTION LABEL ---------- */
.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 14px;
  padding: 6px 14px;
  background: var(--color-surface);
  border-radius: 50px;
}

/* ==========================================================
   NAVIGATION
   ========================================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  background: transparent;
}
#navbar.scrolled {
  background: rgba(11, 18, 32, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 6px;
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: #fff; }
.nav-links a.active::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition);
}
.nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: all var(--transition);
  border-radius: 2px;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  background: rgba(11, 18, 32, 0.98);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 16px 24px 24px;
}
.mobile-menu a {
  display: block;
  padding: 14px 16px;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 500;
  border-radius: 10px;
  transition: all var(--transition);
}
.mobile-menu a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.mobile-menu .mobile-cta {
  margin-top: 12px;
  background: var(--color-primary);
  text-align: center;
  color: #fff;
}

/* ==========================================================
   HERO
   ========================================================== */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  overflow: hidden;
  color: #fff;
  background-color: var(--color-dark); /* fallback if image fails */
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Solid dark tint (NOT a gradient) — keeps white text readable on any photo */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11, 18, 32, 0.55);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}
.hero h1 {
  color: #fff;
  margin-bottom: 20px;
  font-weight: 700;
}
.hero p {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
}
/* Smaller CTA buttons specifically in hero */
.hero-ctas .btn {
  padding: 12px 22px;
  font-size: 0.85rem;
  gap: 8px;
}

/* Hero entrance animation */
.hero-inner > * {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 0.8s ease forwards;
}
.hero-inner > *:nth-child(1) { animation-delay: 0.1s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.25s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.4s; }

@keyframes heroFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================
   ABOUT
   ========================================================== */
.about {
  padding: var(--section-padding-y) 0;
  background: var(--color-bg);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img-wrap img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}
.about-text h2 { margin-bottom: 18px; }
.about-text p {
  margin-bottom: 18px;
  line-height: 1.8;
}
.about-text p strong { color: var(--color-dark); font-weight: 600; }
.about-checks {
  margin: 28px 0;
}
.about-checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--color-text);
}
.about-checks svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-primary);
}
.about-cta { margin-top: 10px; }

/* ==========================================================
   SERVICES
   ========================================================== */
.services {
  padding: var(--section-padding-y) 0 0;
  background: var(--color-bg-alt);
  position: relative;
}
.services-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 72px;
}
.services-intro h2 {
  margin-bottom: 14px;
}
.services-intro p {
  font-size: 1.05rem;
}

.services-list {
  margin-top: 0;
}
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 70px 24px;
}
.service-row.reversed .service-img { order: 2; }
.service-row.reversed .service-text { order: 1; }

.service-img img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}
.service-text .service-num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.14;
  line-height: 1;
  margin-bottom: 6px;
}
.service-text h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  margin-bottom: 16px;
  color: var(--color-dark);
}
.service-text > p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 22px;
}
.service-feats {
  margin-bottom: 26px;
}
.service-feats li {
  position: relative;
  padding: 8px 0 8px 28px;
  font-size: 0.95rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.service-feats li:last-child { border-bottom: none; }
.service-feats li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
}

/* ==========================================================
   WHY / FEATURES
   ========================================================== */
.why {
  padding: var(--section-padding-y) 0;
  background: var(--color-bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 36px 30px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  background: #fff;
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--color-surface);
  color: var(--color-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--color-dark);
}
.feature-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* ==========================================================
   PROCESS — connected horizontal timeline
   ========================================================== */
.process {
  padding: var(--section-padding-y) 0;
  background: var(--color-bg);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding-top: 32px;
}
/* The connecting line behind the numbered circles */
.process-steps::before {
  content: '';
  position: absolute;
  top: 56px; /* aligns with center of the 48px circle */
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}
.process-step {
  padding: 0;
  background: none;
  border: none;
  text-align: center;
  position: relative;
  z-index: 1;
}
.process-step:hover {
  background: none;
  transform: none;
  border: none;
}
.process-num {
  width: 48px;
  height: 48px;
  background: #fff;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  position: relative;
}
.process-step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--color-dark);
}
.process-step p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--color-text-light);
  max-width: 220px;
  margin: 0 auto;
}

/* ==========================================================
   BRANDS
   ========================================================== */
.brands {
  padding: 72px 0;
  background: #fff;
  text-align: center;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.brands-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-text-light);
  margin-bottom: 36px;
}
.brands-list {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px 64px;
}
.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 3px;
  color: var(--color-text-light);
  transition: color var(--transition);
  user-select: none;
}
.brand-name:hover {
  color: var(--color-primary);
}

/* ==========================================================
   GALLERY
   ========================================================== */
.gallery {
  padding: var(--section-padding-y) 0;
  background: var(--color-bg);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-cell {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}
.gallery-cell img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-cell:hover img { transform: scale(1.08); }
.gallery-cell figcaption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  background: linear-gradient(to top, rgba(11,18,32,0.8), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-cell:hover figcaption { opacity: 1; }

/* ==========================================================
   TESTIMONIALS
   ========================================================== */
.testimonials {
  padding: var(--section-padding-y) 0;
  background: var(--color-bg-alt);
  position: relative;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 980px;
  margin: 0 auto;
}
.testimonial-card {
  padding: 40px 36px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  position: relative;
  transition: all var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.testimonial-quote {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.18;
  line-height: 0.8;
  margin-bottom: 10px;
}
.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
  color: #F59E0B;
}
.testimonial-stars svg {
  width: 18px;
  height: 18px;
}
.testimonial-text {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 22px;
  font-style: italic;
}
.testimonial-author strong {
  display: block;
  font-family: var(--font-heading);
  color: var(--color-dark);
  font-size: 0.95rem;
  font-weight: 600;
}
.testimonial-author span {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ==========================================================
   FAQ
   ========================================================== */
.faq {
  padding: var(--section-padding-y) 0;
  background: var(--color-bg);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item[open] {
  background: #fff;
  border-color: var(--color-primary);
}
.faq-item summary {
  padding: 22px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition);
}
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-item p {
  padding: 0 28px 24px;
  color: var(--color-text-light);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ==========================================================
   CTA BANNER
   ========================================================== */
.cta-banner {
  padding: 80px 0;
  background: var(--color-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(6, 182, 212, 0.4), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(14, 116, 144, 0.5), transparent 60%);
  pointer-events: none;
}
.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  color: #fff;
  margin-bottom: 14px;
}
.cta-inner p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-bottom: 32px;
}
.cta-banner .btn-primary {
  background: #fff;
  color: var(--color-primary);
}
.cta-banner .btn-primary:hover {
  background: var(--color-dark);
  color: #fff;
}

/* ==========================================================
   CONTACT
   ========================================================== */
.contact {
  background: var(--color-dark);
  padding: 96px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-info {
  padding: 8px 0;
  color: #fff;
}

/* ==========================================================
   MAP SECTION
   ========================================================== */
.map-section {
  padding: 96px 0 0;
  background: var(--color-bg);
}
.map-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.map-intro h2 {
  margin-bottom: 14px;
}
.map-intro p {
  font-size: 1.05rem;
  color: var(--color-text-light);
}
.map-frame-wrap {
  width: 100%;
  height: 380px;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
}
.map-frame {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  filter: grayscale(15%);
}
.contact-info h2 {
  color: #fff;
  margin-bottom: 16px;
}
.contact-info > p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 32px;
  line-height: 1.75;
}
.contact-info .section-label {
  background: rgba(6, 182, 212, 0.14);
  color: var(--color-accent);
}
.contact-cards {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.contact-card {
  border-radius: var(--border-radius);
  transition: background var(--transition);
}
.contact-card a,
.contact-card > div {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  color: inherit;
  text-decoration: none;
}
.contact-card:hover a {
  color: var(--color-accent);
}
.contact-card-icon {
  width: 40px;
  height: 40px;
  background: rgba(6, 182, 212, 0.12);
  color: var(--color-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-card-value {
  display: block;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
}

.contact-form-wrap {
  background: var(--color-bg);
  padding: 44px 40px;
  border-radius: var(--border-radius-lg);
}
.contact-form-wrap h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}
#contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  transition: all var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-consent {
  margin: 20px 0;
  font-size: 0.88rem;
}
.form-consent label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  color: var(--color-text-light);
}
.form-consent input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.form-consent a {
  color: var(--color-primary);
  text-decoration: underline;
}
.form-success {
  margin-top: 16px;
  padding: 14px 18px;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  border-radius: 10px;
  font-size: 0.92rem;
}
.form-success[hidden] { display: none; }

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  background: #060c18;
  color: rgba(255,255,255,0.55);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
}
.footer-logo img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 6px;
}
.footer-col > p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
  max-width: 380px;
}
.footer-address {
  font-style: normal;
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(255,255,255,0.6);
}
.footer-address strong { color: #fff; font-weight: 600; }
.footer-address a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-address a:hover { color: var(--color-accent); }

.footer-col h4 {
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-accent); }

.footer-hours {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-hours li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.84rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.5);
}
.footer-hours li:last-child { border-bottom: none; }
.footer-hours li span:last-child {
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-heading);
  font-weight: 500;
  white-space: nowrap;
}

.footer-bottom {
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--color-accent); }
.footer-credit {
  color: rgba(255, 255, 255, 0.35);
}
.footer-credit a {
  color: var(--color-accent);
  font-weight: 600;
}
.footer-credit a:hover { text-decoration: underline; }

/* ==========================================================
   FLOATING BUTTONS
   ========================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.whatsapp-float:hover {
  background: #1ebe57;
  transform: translateY(-2px);
}

.scroll-top {
  position: fixed;
  bottom: 94px;
  right: 24px;
  z-index: 89;
  width: 46px;
  height: 46px;
  background: var(--color-dark);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

/* ==========================================================
   SCROLL ANIMATIONS (safe transform+opacity only)
   ========================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.slide-left.visible { opacity: 1; transform: translateX(0); }

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.slide-right.visible { opacity: 1; transform: translateX(0); }

.stagger-parent .stagger-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.stagger-parent.visible .stagger-item { opacity: 1; transform: translateY(0); }
.stagger-parent.visible .stagger-item:nth-child(1) { transition-delay: 0.05s; }
.stagger-parent.visible .stagger-item:nth-child(2) { transition-delay: 0.12s; }
.stagger-parent.visible .stagger-item:nth-child(3) { transition-delay: 0.19s; }
.stagger-parent.visible .stagger-item:nth-child(4) { transition-delay: 0.26s; }
.stagger-parent.visible .stagger-item:nth-child(5) { transition-delay: 0.33s; }
.stagger-parent.visible .stagger-item:nth-child(6) { transition-delay: 0.40s; }

/* Service rows auto-animate on scroll */
.service-row .service-img,
.service-row .service-text {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.service-row .service-img { transform: translateX(-30px); }
.service-row.reversed .service-img { transform: translateX(30px); }
.service-row .service-text { transform: translateX(30px); }
.service-row.reversed .service-text { transform: translateX(-30px); }

.service-row.visible .service-img,
.service-row.visible .service-text {
  opacity: 1;
  transform: translateX(0);
}

/* Feature + process cards entrance */
.feature-card,
.process-step,
.testimonial-card,
.faq-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.feature-card.visible,
.process-step.visible,
.testimonial-card.visible,
.faq-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Focus outlines (accessibility) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 1023px) {
  :root {
    --section-padding-y: 72px;
  }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu[hidden] { display: none; }

  .about-grid,
  .service-row,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-img-wrap img { height: 420px; }

  .service-row.reversed .service-img { order: 0; }
  .service-row.reversed .service-text { order: 0; }
  .service-img img { height: 340px; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .process-steps::before { display: none; }

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

  .contact { padding: 72px 0; }
  .contact-grid { gap: 36px; }
  .contact-info { padding: 0; }
  .contact-form-wrap { padding: 36px 28px; }
  .map-section { padding: 72px 0 0; }
  .map-frame-wrap { height: 260px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-col:first-child { grid-column: 1 / -1; }
  .footer-hours li { font-size: 0.82rem; }
}

@media (max-width: 640px) {
  :root {
    --section-padding-y: 56px;
  }
  .container { padding: 0 20px; }

  .hero { min-height: auto; padding: 130px 0 80px; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .hero-ctas .btn { width: auto; }

  .features-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; gap: 16px; }
  .gallery-cell img { height: 220px; }

  .brands-list { gap: 30px 40px; }
  .brand-name { font-size: 1.2rem; }

  #contact-form .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-col:first-child { grid-column: auto; }

  .whatsapp-float { width: 52px; height: 52px; bottom: 20px; right: 20px; }
  .scroll-top { bottom: 84px; right: 20px; }

  .service-text .service-num { font-size: 3rem; }
  .service-img img { height: 240px; }

  .about-checks li { font-size: 0.9rem; }
}

/* ==========================================================
   REDUCED MOTION (WCAG)
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up, .slide-left, .slide-right,
  .stagger-parent .stagger-item,
  .service-row .service-img,
  .service-row .service-text,
  .feature-card, .process-step,
  .testimonial-card, .faq-item,
  .hero-inner > * {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .phone-float::before { animation: none; opacity: 0; }
}


/* ==========================================================
   WARMTH ACCENT — applied to heat-pump row (per client: 'evokuje teplo')
   ========================================================== */
.service-row.is-heat { position: relative; }
.service-row.is-heat .service-num {
  background: linear-gradient(135deg, var(--color-warm), var(--color-warm-dark));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-row.is-heat .service-text h3 { color: var(--color-warm-dark); }
.service-row.is-heat .service-feats li::before { color: var(--color-warm); }
.service-row.is-heat .btn-link { color: var(--color-warm-dark); }
.service-row.is-heat .btn-link:hover { color: var(--color-warm); }
.service-row.is-heat .service-img { position: relative; overflow: hidden; }
.service-row.is-heat .service-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(220, 38, 38, 0.18) 100%);
  pointer-events: none;
}

/* Recommended ACs — coming soon placeholder section */
.recommended-soon {
  padding: var(--section-padding-y) 0;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-warm-soft) 100%);
}
.recommended-soon .container { max-width: 760px; text-align: center; }
.recommended-soon .soon-badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: var(--color-warm); color: #fff;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 18px;
}
.recommended-soon h2 {
  font-family: var(--font-heading); font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  color: var(--color-dark); margin-bottom: 14px; line-height: 1.2;
}
.recommended-soon p {
  color: var(--color-text-light); font-size: 1.02rem; line-height: 1.65;
  max-width: 560px; margin: 0 auto;
}

/* Footer social icons */
.footer-socials { display: flex; gap: 10px; margin-top: 18px; }
.footer-socials a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: #fff;
  transition: all var(--transition);
}
.footer-socials a:hover { background: var(--color-primary); transform: translateY(-2px); }
.footer-socials a svg { width: 18px; height: 18px; }


/* ==========================================================
   HERO DUAL-MODE STRIP — "Chladíme v lete · Kúrime v zime"
   ========================================================== */
.hero-dualmode {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 8px 18px; border-radius: 999px; margin: 22px 0 28px;
  background: linear-gradient(90deg, rgba(8,145,178,0.18) 0%, rgba(220,38,38,0.18) 100%);
  border: 1px solid rgba(255,255,255,0.18); backdrop-filter: blur(6px);
  color: #fff; font-size: 0.92rem; font-weight: 600;
  font-family: var(--font-heading);
}
.hero-dualmode .dm-cool { display: inline-flex; align-items: center; gap: 6px; color: #67e8f9; }
.hero-dualmode .dm-warm { display: inline-flex; align-items: center; gap: 6px; color: #fca5a5; }
.hero-dualmode .dm-divider {
  width: 1px; height: 16px; background: rgba(255,255,255,0.3);
}
@media (max-width: 480px) { .hero-dualmode { font-size: 0.82rem; gap: 10px; padding: 6px 14px; } }

/* ==========================================================
   BTN WARM — red CTA used in hero + product cards
   ========================================================== */
.btn-warm {
  background: var(--color-warm); color: #fff;
  border: 2px solid var(--color-warm);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px;
  font-family: var(--font-heading); font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition);
}
.btn-warm:hover {
  background: var(--color-warm-dark); border-color: var(--color-warm-dark);
  transform: translateY(-2px);
}

/* Flame-icon bullet inside service feats */
.service-feats .feat-warm {
  color: var(--color-warm-dark); font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.service-feats .feat-warm svg { color: var(--color-warm); flex-shrink: 0; }

/* ==========================================================
   SUBPAGE HERO + BREADCRUMB (used on klimatizacie.html)
   ========================================================== */
.subpage-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
  color: #fff;
}
.subpage-hero h1 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(2rem, 4.4vw, 3.2rem); line-height: 1.15;
  margin: 14px 0 18px; color: #fff;
}
.subpage-hero p {
  color: var(--color-text-on-dark); font-size: 1.05rem; line-height: 1.65;
  max-width: 720px;
}
.subpage-hero p strong { color: var(--color-warm); font-weight: 700; }
.breadcrumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: rgba(255,255,255,0.6);
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: #fff; }

/* Active nav link (subpage) */
.nav-links a.is-active { color: var(--color-primary); font-weight: 600; }

/* ==========================================================
   PRODUCTS GRID (klimatizacie.html)
   ========================================================== */
.products-section { padding: 60px 0 80px; background: var(--color-bg); }
.products-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1024px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .products-grid { grid-template-columns: 1fr; } }

.product-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.product-img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--color-warm); color: #fff;
  padding: 5px 12px; border-radius: 999px;
  font-family: var(--font-heading); font-size: 0.74rem;
  font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.product-body { padding: 24px; display: flex; flex-direction: column; flex: 1; gap: 12px; }
.product-body h3 {
  font-family: var(--font-heading); font-size: 1.25rem;
  color: var(--color-dark); margin: 0; line-height: 1.25;
}
.product-body > p {
  color: var(--color-text-light); font-size: 0.93rem; line-height: 1.55; margin: 0;
}
.product-specs { display: flex; flex-direction: column; gap: 6px; padding: 12px 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.product-specs li {
  font-size: 0.85rem; color: var(--color-text);
  display: flex; align-items: center; gap: 8px;
}
.product-specs li::before {
  content: ""; width: 5px; height: 5px; border-radius: 999px;
  background: var(--color-primary); flex-shrink: 0;
}
.product-footer { margin-top: auto; display: flex; flex-direction: column; gap: 14px; }
.product-price {
  display: flex; flex-direction: column;
}
.price-label { font-size: 0.78rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.06em; }
.price-value {
  font-family: var(--font-heading); font-size: 1.55rem;
  color: var(--color-warm-dark); font-weight: 700;
}
.product-actions { display: flex; flex-direction: column; gap: 8px; }
.product-spec-link {
  font-size: 0.84rem; color: var(--color-primary);
  text-decoration: underline; text-underline-offset: 3px;
}
.product-spec-link:hover { color: var(--color-warm); }
.product-cta { width: 100%; justify-content: center; padding: 12px 18px; font-size: 0.92rem; }

.products-note {
  text-align: center; margin-top: 28px;
  font-size: 0.88rem; color: var(--color-text-light); font-style: italic;
}

/* Subpage CTA at bottom */
.subpage-cta {
  padding: 70px 0; background: var(--color-bg-alt);
  text-align: center;
}
.subpage-cta h2 {
  font-family: var(--font-heading); font-size: clamp(1.5rem, 2.8vw, 2rem);
  color: var(--color-dark); margin-bottom: 12px;
}
.subpage-cta p {
  color: var(--color-text-light); max-width: 540px;
  margin: 0 auto 22px; line-height: 1.6;
}