/* ===== FONT – Saira (900) pro titulky a menu ===== */
.font-heading {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1a1a1a;
  background: #F1EFEF;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms, background-color 200ms, opacity 200ms;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 20px;
}

.section {
  padding: 60px 20px;
}

.section-light {
  background: #F1EFEF;
}

.section-dark {
  background: #151311;
}

.section-lime {
  background: #9AAA02;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 90px;
  background: #151311;
  box-shadow: 0 0 0 transparent;
  transition: box-shadow 200ms;
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  margin-right: 80px;
}

.logo-img {
  height: 68px;
  min-height: 68px;
  width: auto;
  flex-shrink: 0;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  color: #ffffff;
  font-size: 0.94rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: #bbcf0f;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #ffffff;
  transition: transform 200ms, opacity 200ms;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -5%;
  background: url('assets/hero.jpg') center center / cover no-repeat;
  animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.12) translate(-2%, -2%);
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
}

.hero-title {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  font-size: clamp(32px, 6.5vw, 64px);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.15;
  margin-bottom: 12px;
}

.hero-line1,
.hero-line2 {
  display: block;
}

.hero-subtitle {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 28px;
}

.btn {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  display: inline-block;
  padding: 12px 26px;
  border-radius: 4px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  transition: background-color 200ms;
}

.btn-cta {
  background: #9AAA02;
  color: #ffffff;
}

.btn-cta:hover {
  background: #B4C701;
}

/* ===== SEKCE PROČ ODSTRAŇOVAT ===== */
#proc-odstraňovat .section-title {
  font-size: clamp(30px, 3.5vw, 40px);
}

.section-title {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  font-size: clamp(28px, 3.5vw, 38px);
  color: #1a1a1a;
  text-align: center;
  margin-bottom: 48px;
}

.section-title-light {
  color: #ffffff;
}

.three-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.col-card {
  text-align: center;
  padding: 0 10px;
}

.col-icon {
  width: 160px;
  height: 160px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(154, 170, 2, 0.15);
}

.col-icon img {
  width: 100px;
  height: 100px;
  object-fit: contain;
}

.col-title {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  font-size: 1rem;
  color: #1a1a1a;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.col-desc {
  font-size: 15px;
  line-height: 1.6;
  color: #000000;
}

.fire-section {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.fire-icon {
  width: 160px;
  height: 160px;
  margin: 0 auto 12px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(154, 170, 2, 0.15);
}

.fire-icon img {
  width: 100px;
  height: 100px;
  object-fit: contain;
}

.fire-text {
  font-size: 15px;
  line-height: 1.7;
  color: #000000;
}

/* ===== VÝHODY – LIMETKOVÁ SEKCE ===== */
.lime-flex {
  display: flex;
  align-items: center;
  gap: 48px;
}

.lime-text {
  flex: 1;
}

.lime-title {
  font-size: clamp(30px, 3.5vw, 40px);
  line-height: 1.1;
  color: #1a1a1a;
  text-align: left;
  margin-bottom: 24px;
}

.lime-paragraphs p {
  margin-bottom: 16px;
  color: #1a1a1a;
  font-size: 15px;
}

.lime-highlight {
  font-weight: 600;
  margin-top: 20px;
}

.lime-image {
  flex: 0 0 400px;
}

.lime-image img {
  width: 100%;
  border-radius: 4px;
}

/* ===== GALERIE ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: none;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 200ms;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(154, 170, 2, 0.8);
}

.lightbox-close {
  top: 20px;
  right: 20px;
  font-size: 2.5rem;
}

.lightbox-prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

/* ===== TECHNIKA ===== */
.technika-flex {
  display: flex;
  align-items: flex-start;
  gap: 48px;
}

#technika .section-title {
  margin-bottom: 40px;
}

.technika-text {
  flex: 1;
}

.technika-intro {
  margin-bottom: 16px;
  line-height: 1.7;
  color: #1a1a1a;
}

.technika-subtitle {
  font-family: "Saira", sans-serif;
  font-weight: 900;
  font-style: normal;
  font-size: 1.2rem;
  color: #4a6a7a;
  margin: 24px 0 16px;
}

.technika-desc {
  margin-bottom: 24px;
  line-height: 1.7;
  color: #1a1a1a;
}

.technika-logo img {
  max-height: 60px;
  width: auto;
  margin-top: 8px;
}

.technika-video {
  flex: 0 0 480px;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 4px;
  background: #151311;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #151311;
}

.video-play-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #ffffff;
  text-decoration: none;
  padding: 40px;
  transition: color 200ms;
}

.video-play-link:hover {
  color: #9AAA02;
}

.video-play-icon {
  font-size: 3rem;
  opacity: 0.9;
}

.video-play-text {
  font-size: 1rem;
  font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
  background: #151311;
  padding: 60px 20px;
}

.footer-flex {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-logo {
  max-height: 58px;
  width: auto;
  margin-bottom: 16px;
}

.footer-address {
  font-style: normal;
  color: #ffffff;
  font-size: 0.95rem;
}

.footer-address p {
  margin-bottom: 4px;
}

.footer-address-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  padding-top: 12px;
  margin-top: 12px;
}

.footer-address a {
  color: #ffffff;
}

.footer-address a:hover {
  color: #9AAA02;
}

.footer-form-wrap {
  min-width: 360px;
  flex: 1;
  max-width: 450px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 360px;
  width: 100%;
}

.contact-form input,
.contact-form textarea {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  color: #1a1a1a;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #666;
}

.btn-submit {
  background: #9AAA02;
  color: #ffffff;
  margin-top: 8px;
}

.btn-submit:hover {
  background: #B4C701;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #9AAA02;
  color: #ffffff;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  z-index: 99;
  transition: opacity 200ms, visibility 200ms, background 200ms;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: #B4C701;
}

/* ===== RESPONZIVITA ===== */
@media (max-width: 992px) {
  .three-cols {
    grid-template-columns: 1fr;
  }

  .lime-flex {
    flex-direction: column;
  }

  .lime-image {
    flex: none;
    width: 100%;
    max-width: 400px;
  }

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

  .technika-flex {
    flex-direction: column;
  }

  .technika-video {
    flex: none;
    width: 100%;
  }

  .footer-flex {
    flex-direction: column;
  }

  .footer-form-wrap {
    min-width: 0;
    max-width: 100%;
  }

  .contact-form {
    min-width: 0;
    max-width: 100%;
  }

  .nav {
    position: fixed;
    top: 90px;
    left: 0;
    right: 0;
    background: #151311;
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 200ms, opacity 200ms, visibility 200ms;
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: 16px;
  }

  .hamburger {
    display: flex;
  }
}

@media (max-width: 768px) {
  .container,
  .section {
    padding: 40px 16px;
  }

  .footer .container {
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }

  .hero {
    min-height: 400px;
  }

  .hero-title {
    font-size: 32px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .footer-form-wrap {
    min-width: 0;
    max-width: 100%;
  }

  .contact-form {
    min-width: 0;
    max-width: 100%;
  }

  .contact-form input,
  .contact-form textarea {
    max-width: 100%;
    box-sizing: border-box;
  }
}