/* ========================================
   1. FONDAMENTAUX & VARIABLES
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Inter:wght@400;500&display=swap');

:root {
  /* Palette de couleurs sophistiquée */
  --color-background: #121212; /* Noir charbon profond */
  --color-surface: #1E1E1E;    /* Surface légèrement plus claire */
  --color-primary: #D4AF37;   /* Or vieilli (muted gold) */
  --color-accent: #EAEAEA;     /* Bleu électrique (deep sky blue) */
  --color-text: #EAEAEA;       /* Texte blanc cassé pre lepšiu čitateľnosť */
  --color-text-muted: #A0A0A0; /* Sekundárny text */
  --color-border: #333333;

  /* Typografia moderná */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Ďalšie premenné */
  --container-width: 1240px;
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 5rem; /* Upravte podľa výšky hlavičky */
}

/* ========================================
   2. ROZLOŽENIE & UTILITÁRKY
   ======================================== */

/* ANIMÁCIE */
.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
  will-change: transform, opacity;
}

.js-ready .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}
.section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}
.section--darker {
    background-color: #000;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.section-header__tagline {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.section-header__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}
.section-header__title span {
  color: var(--color-accent);
}
.section-header__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
}
.section-header__icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.contact-info__icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
  animation: bounce 2s ease-in-out infinite;
}
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  transition: all var(--transition);
  cursor: pointer;
}
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-background);
}
.btn--primary:hover {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}
.btn--secondary {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background-color: var(--color-text);
  color: var(--color-background);
  border-color: var(--color-text);
  transform: translateY(-3px);
}


/* ========================================
   3. HLAVIČKA & NAVIGÁCIA
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0; /* Konzistentné odsadenie */
  background-color: rgba(18, 18, 18, 0.95); /* Permanentné pozadie */
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.1);
  transition: padding var(--transition);
}

.header__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo span {
  color: var(--color-primary);
}

.nav__list {
  display: flex;
  list-style: none;
  gap: 2.5rem; 
  margin: 0 auto; /* Vycentruje zoznam vo zvyšnom priestore */
  justify-content: center;
  flex-wrap: wrap;
}

.nav__link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  padding-bottom: 0.5rem;
  font-size: 1.05rem; 
  white-space: nowrap; /* Zabráni zalomeniu textu */
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link:hover::after {
  width: 100%;
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lang-switcher__btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  font-weight: 600;
}

.lang-switcher__btn:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.lang-switcher__btn.active {
  background-color: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

/* ========================================
   4. SEKCIA HRDINA
   ======================================== */

.hero {
  min-height: 100vh; /* Nastavenie minimálnej výšky na celú obrazovku */
  padding-top: 10rem;
  padding-bottom: 6rem;
  display: flex;
  align-items: center;
  text-align: center;
  background: linear-gradient(rgba(18, 18, 18, 0.4), rgba(18, 18, 18, 0.7)), url('assets/hero-elektro.jpg') no-repeat center center/cover;
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.hero__title span {
  color: var(--color-primary);
  display: block;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text); /* Zmena farby pre lepšiu viditeľnosť */
  margin-bottom: 2.5rem;
  font-weight: 500; /* Jemne tučnejší text */
  text-shadow: 0 2px 10px rgba(0,0,0,0.8); /* Silnejší tieň textu */
}

.hero__cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* ========================================
   5. INTERAKTÍVNY PRIESKUMNÍK SLUŽIEB
   ======================================== */

.service-explorer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service-explorer__visual {
  position: relative;
  background: url('assets/dom.jpeg') no-repeat center center/cover;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
}

.service-explorer__hotspot {
  position: absolute;
  width: 30px;
  height: 30px;
  background-color: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-background);
  cursor: pointer;
  transition: transform var(--transition);
}

.service-explorer__hotspot:hover {
  transform: scale(1.2);
}

/* Pozície hotspotov */
.service-explorer__hotspot[data-service="installation"] { top: 30%; left: 40%; }
.service-explorer__hotspot[data-service="cctv"] { top: 10%; left: 80%; }
.service-explorer__hotspot[data-service="smarthome"] { top: 60%; left: 60%; }

.service-explorer__content {
  /* Štýly pre meniaci sa obsah */
}

.service-info {
    display: none;
}
.service-info.active {
    display: block;
}

.service-info__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.service-info__description {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

/* ========================================
   6. SEKCIA "PREČO MY"
   ======================================== */
.why-us {
    background-color: var(--color-surface);
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.why-us__card {
  background-color: var(--color-background);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.why-us__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.why-us__card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.why-us__card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.why-us__card-text {
  color: var(--color-text-muted);
}

/* ========================================
   7. PÄTA
   ======================================== */

.footer {
  background-color: #000;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer__brand-text {
  color: var(--color-text-muted);
  margin-top: 1rem;
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: 0.5rem;
}

.footer .footer__link, .footer .footer__link:visited {
  color: var(--color-text-muted);
}

.footer__link:hover {
  color: var(--color-text);
}

.footer__bottom {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}

/* ========================================
   8. REFERENCIE / PROJEKTY
   ======================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.projects-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card {
    background-color: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.project-card__media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.project-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-card__media img {
    transform: scale(1.05);
}

.project-card__body {
    padding: 1.5rem;
}

.project-card__meta {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-card__chip {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    text-transform: uppercase;
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.project-card__desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ========================================
   9. GALÉRIA MODÁLNE OKNO
   ======================================== */

.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.gallery-modal.open {
    opacity: 1;
    visibility: visible;
}

.gallery-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.gallery-dialog {
    position: relative;
    width: 100%;
    max-width: 900px;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1rem;
    border: 1px solid var(--color-border);
    transform: scale(0.95);
    transition: transform var(--transition);
}

.gallery-modal.open .gallery-dialog {
    transform: scale(1);
}

.gallery-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-background);
    color: var(--color-text);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
}

.gallery-stage {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    aspect-ratio: 16 / 9;
}

.gallery-stage img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.5);
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2;
    transition: background-color var(--transition);
}
.gallery-nav:hover {
    background: rgba(0,0,0,0.8);
}
.gallery-prev { left: 1rem; }
.gallery-next { right: 1rem; }

.gallery-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.gallery-thumb {
    border: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition), border-color var(--transition);
}

.gallery-thumb:hover, .gallery-thumb.active {
    opacity: 1;
    border-color: var(--color-primary);
}

.gallery-thumb img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}

/* ========================================
   10. PROCES & ŠTATISTIKY
   ======================================== */

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    padding: 2rem 0;
    align-items: center;
}

.process-grid::before {
    content: none;
    position: absolute;
    top: 50%;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(to right, 
        var(--color-primary) 0%, 
        var(--color-primary) 2%, 
        transparent 2%, 
        transparent 8%,
        var(--color-primary) 8%,
        var(--color-primary) 10%,
        transparent 10%,
        transparent 16%,
        var(--color-primary) 16%,
        var(--color-primary) 18%,
        transparent 18%,
        transparent 24%,
        var(--color-primary) 24%,
        var(--color-primary) 26%,
        transparent 26%,
        transparent 32%,
        var(--color-primary) 32%,
        var(--color-primary) 34%,
        transparent 34%,
        transparent 40%,
        var(--color-primary) 40%,
        var(--color-primary) 42%,
        transparent 42%,
        transparent 48%,
        var(--color-primary) 48%,
        var(--color-primary) 50%,
        transparent 50%,
        transparent 56%,
        var(--color-primary) 56%,
        var(--color-primary) 58%,
        transparent 58%,
        transparent 64%,
        var(--color-primary) 64%,
        var(--color-primary) 66%,
        transparent 66%,
        transparent 72%,
        var(--color-primary) 72%,
        var(--color-primary) 74%,
        transparent 74%,
        transparent 80%,
        var(--color-primary) 80%,
        var(--color-primary) 82%,
        transparent 82%,
        transparent 88%,
        var(--color-primary) 88%,
        var(--color-primary) 100%
    );
    z-index: 0;
}

.process-grid::after {
    content: none;
    position: absolute;
    top: 50%;
    left: 12%;
    height: 2px;
    background: var(--color-primary);
    animation: lineDrawWithDots 2s ease-out forwards;
    z-index: 1;
}

@keyframes lineDrawWithDots {
    from { 
        width: 0;
    }
    to { 
        width: 76%;
    }
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    animation: slideUp 0.6s ease-out forwards;
    opacity: 0;
}

.process-step:nth-child(1) { animation-delay: 0.1s; }
.process-step:nth-child(2) { animation-delay: 0.25s; }
.process-step:nth-child(3) { animation-delay: 0.4s; }
.process-step:nth-child(4) { animation-delay: 0.55s; }

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.process-step__number {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    transition: all var(--transition);
    position: relative;
    z-index: 3;
}

.process-step:hover .process-step__number {
    background-color: var(--color-primary);
    color: var(--color-background);
    transform: scale(1.15);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.process-step__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.process-step__text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item__number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-item__label {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

/* ========================================
   11. KALKULAČKA & KONTAKTNÝ FORMULÁR
   ======================================== */

.calculator-wrapper {
    background: var(--color-background);
    padding: 3rem;
    border-radius: var(--radius);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--color-border);
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.calc-item label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.calc-item--full {
    grid-column: 1 / -1;
}

.calc-item input, .calc-item select {
    width: 100%;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
}
.calc-item input[type="range"] {
    padding: 0;
}

.calc-result {
    text-align: center;
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--radius);
}

.calc-result__label {
    color: var(--color-text-muted);
}

.calc-result__price {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background: var(--color-surface);
    padding: 4rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.contact-info__title {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.contact-info__text {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.contact-info__list {
    list-style: none;
    color: var(--color-text-muted);
}
.contact-info__list li {
    margin-bottom: 1rem;
}
.contact-info__list a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition);
}
.contact-info__list a:hover {
    color: var(--color-primary);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-group--full {
    grid-column: 1 / -1;
}

.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-body);
}
.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}
.contact-form .btn {
    width: 100%;
    padding: 1rem;
}

/* ========================================
   12. MOBILNÁ NAVIGÁCIA & RESPONZÍVNE
   ======================================== */
.hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-nav {
    display: none;
}

@media (max-width: 1024px) {
    .header .nav__list {
        display: none !important;
    }

    .header__nav {
        display: grid;
        grid-template-columns: auto 1fr auto auto;
        align-items: center;
        gap: 0.5rem;
    }

    .lang-switcher {
        display: flex;
        justify-self: end;
        gap: 0.25rem;
    }

    .lang-switcher__btn {
        padding: 0.3rem 0.55rem;
        font-size: 0.78rem;
    }

    .hamburger {
        display: inline-flex;
        z-index: 1002;
        margin-left: 0;
        justify-self: end;
    }

    .header.menu-open .hamburger {
        opacity: 0;
        pointer-events: none;
    }

    .mobile-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 84vw);
        height: 100vh;
        padding: 5.5rem 1.5rem 2rem;
        background: rgba(18, 18, 18, 0.98);
        border-left: 1px solid var(--color-border);
        box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.55);
        z-index: 1001;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    }

    .mobile-nav.open {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .mobile-nav__close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        color: var(--color-text);
        font-size: 2.25rem;
        line-height: 1;
        cursor: pointer;
    }

    .mobile-nav__list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
        width: 100%;
    }

    .mobile-nav__link {
        display: block;
        width: 100%;
        padding: 0.85rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        color: var(--color-text);
        text-decoration: none;
        font-family: var(--font-heading);
        font-size: 1.35rem;
        transition: color var(--transition);
    }

    .mobile-nav__link:hover {
        color: var(--color-primary);
    }

    .contact-wrapper,
    .service-explorer,
    .calc-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid--three {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .service-explorer,
    .contact-wrapper {
        gap: 2rem;
    }

    .contact-wrapper {
        padding: 2rem;
    }

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

     .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .process-grid::before,
    .process-grid::after {
        display: none;
    }

    .process-step__number {
        width: 65px;
        height: 65px;
        font-size: 1.5rem;
        border-radius: 12px;
    }

    .process-step__title {
        font-size: 1.1rem;
    }

    .process-step__text {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 4.5rem;
    }

    .header {
        padding: 0.75rem 0;
    }

    .section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1rem;
    }

    .header__logo {
        font-size: 1.15rem;
        min-width: 0;
    }

    .hero {
        min-height: auto;
        padding-top: 7rem;
        padding-bottom: 4rem;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__title {
        font-size: clamp(1.95rem, 11vw, 3.2rem);
        line-height: 1.02;
        overflow-wrap: anywhere;
    }

    .hero__subtitle {
        font-size: 0.98rem;
        max-width: 100%;
    }

    .hero__cta {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
        max-width: none;
        text-align: center;
    }

    .section-header__title {
        font-size: clamp(2rem, 10vw, 2.75rem);
    }

    .projects-grid,
    .stats-grid,
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .projects-grid--three {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        text-align: center;
    }

    .footer__brand-text {
        margin: 1rem auto;
    }

    .contact-wrapper {
        padding: 1.5rem;
    }

    .contact-info__title {
        font-size: 1.8rem;
    }

    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        min-width: 0;
    }

    .contact-info__list {
        word-break: break-word;
    }

    .process-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .process-grid::before,
    .process-grid::after {
        display: none;
    }

    .process-step__number {
        width: 60px;
        height: 60px;
        font-size: 1.3rem;
        border-radius: 10px;
    }

    .process-step__title {
        font-size: 1rem;
    }

    .process-step__text {
        font-size: 0.8rem;
    }
}

@media (max-width: 420px) {
    .header__nav {
        grid-template-columns: auto 1fr auto auto;
        gap: 0.35rem;
    }

    .lang-switcher__btn {
        padding: 0.25rem 0.45rem;
        font-size: 0.72rem;
    }

    .hero__title {
        font-size: clamp(1.8rem, 10.5vw, 2.7rem);
    }

    .hero__subtitle {
        font-size: 0.92rem;
    }
}