@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&display=swap');

:root{
  --font-family-base: 'Montserrat', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.75rem;
  --font-size-hero: 3.5rem;
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  --color-primary: #F0F4F8;
  --color-secondary: #2080FF;
  --color-accent: #FF2DAA;
  --color-bg: #000000;
  --color-bg-alt: #0D1117;
  --color-bg-card: #121823;
  --color-text: #E8E8E8;
  --color-text-muted: #A0A0A0;
  --color-text-on-primary: #111111;
  --color-border: #263241;
  --color-shadow: #000000;

  --radius: 10px;
  --container-max-width: 1140px;
  --section-padding-y: 4rem;
  --section-padding-y-mobile: 2rem;
  --section-padding-x: 1rem;
  --section-padding-x-tablet: 1.5rem;
  --section-padding-x-desktop: 2rem;
  --card-gap: 1.5rem;
  --transition-base: 0.2s ease;
  --transition-slow: 0.35s ease;
  --header-min-height: 64px;
  --header-z: 100;
  --nav-toggle-z: 200;
  --nav-z: 500;
  --dropdown-z: 9999;
}

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

html,
body{
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body{
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4,
p,
ul,
ol{
  margin-top: 0;
}

h1{
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.03em;
}

h2,
.section-title{
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}

h3{
  font-size: var(--font-size-xl);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
}

h4{
  font-size: var(--font-size-lg);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
}

p{
  margin-bottom: 1rem;
}

a{
  color: var(--color-primary);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  transition: color var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
}

a:hover{
  color: var(--color-secondary);
}

strong{
  font-weight: var(--font-weight-bold);
}

em{
  font-style: italic;
}

ul,
ol{
  padding-left: 1.25rem;
}

.container{
  width: 100%;
  max-width: var(--container-max-width);
  padding: 0 var(--section-padding-x);
  margin: 0 auto;
  box-sizing: border-box;
}

.section,
.faq-section{
  padding: var(--section-padding-y-mobile) 0;
}

.section{
  transition: box-shadow var(--transition-slow);
}

.section:not(.hero):not(.faq-section):hover{
  box-shadow: 0 0 30px color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.section-title{
  margin-bottom: 1.5rem;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  min-height: var(--header-min-height);
  overflow: visible;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(14px);
}

.site-header .container{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem var(--section-padding-x);
  overflow: visible;
}

.site-logo{
  display: flex;
  align-items: center;
  flex-shrink: 0;
  overflow: hidden;
  max-height: 52px;
  text-decoration: none;
}

.site-logo img{
  height: 44px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

.nav-toggle-input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.nav-toggle-label{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: 0.4rem 0.6rem;
  z-index: var(--nav-toggle-z);
  border-radius: 6px;
  background: rgba(0,0,0,0.45);
  border: 1.5px solid rgba(255,255,255,0.7);
}

.nav-toggle-label span{
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: var(--transition-base);
}

.site-nav{
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  z-index: var(--nav-z);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  overflow: visible;
}

.nav-toggle-input:checked ~ .site-nav{
  display: block;
}

.site-header .nav-link,
.site-header a{
  color: #E8E8E8;
}

.nav-list{
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  overflow: visible;
}

.nav-item{
  position: relative;
}

.nav-link{
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: #E8E8E8;
  position: relative;
}

.nav-link::after{
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.45rem;
  height: 1px;
  background: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link:focus-visible::after{
  transform: scaleX(1);
}

.nav-dropdown{
  position: relative;
  overflow: visible;
}

.nav-dropdown-toggle{
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.nav-dropdown-menu{
  display: none;
  position: static;
  min-width: 200px;
  z-index: var(--dropdown-z);
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  background: var(--color-bg-card);
  border: none;
  border-radius: var(--radius);
  box-shadow: none;
  white-space: nowrap;
  overflow: visible;
}

.nav-dropdown:hover > .nav-dropdown-menu,
.nav-dropdown:focus-within > .nav-dropdown-menu{
  display: block;
}

.nav-dropdown-menu .nav-link{
  display: block;
  padding: 0.5rem 1.25rem;
  width: 100%;
  border-bottom: none;
  color: var(--color-text);
}

.nav-dropdown-menu .nav-link:hover,
.nav-dropdown-menu .nav-link:focus-visible{
  background: var(--color-bg-alt);
}

.hero{
  min-height: 50vh;
  padding: 2rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-secondary) 45%, var(--color-accent) 100%);
  color: #1A1A1A;
}

.hero .container{
  width: 100%;
}

.hero h1{
  font-size: var(--font-size-2xl);
  word-break: break-word;
}

.hero p{
  font-size: var(--font-size-base);
  color: #F0F4F8;
}

.hero .btn{
  margin-top: 0.5rem;
}

.hero--floating{
  position: relative;
  background-size: cover;
  background-position: center;
  padding-bottom: 4rem;
}

.hero--floating .hero-overlay{
  position: static;
  background: rgba(0,0,0,0.55);
  padding: 4rem 0 2rem;
}

.hero--floating .hero-content{
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero--floating .hero-content h1,
.hero--floating .hero-content p{
  color: #ffffff;
}

.hero-float-cards{
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 3;
  margin-top: -2rem;
}

.hero-float-card{
  background: var(--color-bg-card);
  border-radius: var(--radius);
  padding: 1.25rem 2rem;
  text-align: center;
  flex: 1 1 200px;
  max-width: 280px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.hero-float-card strong{
  display: block;
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.card-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
}

.card{
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.card:hover{
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.card img{
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-radius: var(--radius) var(--radius) 0 0;
  border-top: 6px solid transparent;
  background-image: repeating-linear-gradient(90deg, var(--color-primary) 0 4px, transparent 4px 8px);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.card-body,
.card > :not(img){
  padding: 1rem 1.25rem;
}

.card h3,
.card h4{
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.card p{
  margin: 0;
  line-height: var(--line-height-base);
  color: var(--color-text-muted);
}

.btn{
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  line-height: 1;
  max-width: 100%;
  word-break: break-word;
  white-space: normal;
  cursor: pointer;
  transition: transform var(--transition-base), filter var(--transition-base), background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.btn:hover,
.btn:focus-visible{
  transform: translateY(-1px);
}

.btn-primary{
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible{
  filter: brightness(0.9);
}

.btn-secondary{
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus-visible{
  background: var(--color-primary);
  color: var(--color-primary);
}

.site-footer{
  background: var(--color-bg-alt);
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner{
  display: flex;
  flex-direction: column;
  text-align: center;
  gap: 1rem;
  align-items: center;
  color: var(--color-text);
}

.footer-inner .btn-primary{
  color: var(--color-text-on-primary) !important;
}

.footer-inner .btn-secondary{
  color: var(--color-primary) !important;
}

.faq-section{
  padding: var(--section-padding-y-mobile) 0;
}

.faq-item{
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background: var(--color-bg-card);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item[open]{
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.faq-question{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-md);
  list-style: none;
  user-select: none;
  color: var(--color-text);
  position: relative;
  padding-right: 2rem;
}

.faq-question::-webkit-details-marker{
  display: none;
}

.faq-question::after{
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-item[open] > .faq-question::after{
  content: "−";
}

.faq-answer{
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

.faq-answer p{
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

input,
textarea,
select,
label,
button[type="submit"]{
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

label{
  display: inline-block;
  margin-bottom: 0.35rem;
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

input,
textarea,
select{
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input::placeholder,
textarea::placeholder{
  color: var(--color-text-muted);
}

input:focus,
textarea:focus,
select:focus{
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-secondary) 20%, transparent);
}

textarea{
  min-height: 140px;
  resize: vertical;
}

button[type="submit"]{
  display: inline-block;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  cursor: pointer;
  transition: filter var(--transition-base), transform var(--transition-base);
}

button[type="submit"]:hover,
button[type="submit"]:focus-visible{
  filter: brightness(0.9);
  transform: translateY(-1px);
}

table{
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}

th,
td{
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
  color: var(--color-text);
  background: var(--color-bg);
}

tr:nth-child(even){
  background: var(--color-bg-alt);
}

tr:nth-child(odd){
  background: var(--color-bg);
}

th{
  font-weight: var(--font-weight-bold);
}

.text-center{
  text-align: center;
}

.mt-1{
  margin-top: 0.5rem;
}

.mt-2{
  margin-top: 1rem;
}

.mt-3{
  margin-top: 1.5rem;
}

.mt-4{
  margin-top: 2rem;
}

.hidden{
  display: none !important;
}

@media (min-width: 768px){
  .container{
    max-width: 960px;
    padding: 0 var(--section-padding-x-tablet);
    margin: 0 auto;
  }

  .site-header .container{
    justify-content: space-between;
    gap: 3rem;
    padding-inline: 1rem;
  }

  .nav-toggle-label{
    display: none !important;
  }

  .site-nav{
    display: flex !important;
    align-items: center;
    position: static;
    background: transparent;
    border-top: none;
    box-shadow: none;
    margin-left: auto;
    justify-content: flex-end;
  }

  .nav-list{
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    justify-content: flex-end;
    gap: 1.5rem;
    padding: 0;
    margin: 0;
    list-style: none;
  }

  .nav-link{
    display: inline-block;
    font-size: var(--font-size-sm);
    padding: 0.4rem 0.75rem;
    border-bottom: none;
    white-space: nowrap;
  }

  .nav-link::after{
    left: 0.75rem;
    right: 0.75rem;
  }

  .nav-dropdown-menu{
    position: absolute !important;
    top: 100%;
    left: 0;
    z-index: var(--dropdown-z);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    border: 1px solid var(--color-border);
    display: none;
    background: var(--color-bg-card);
    border-radius: var(--radius);
    min-width: 200px;
  }

  .hero{
    min-height: 60vh;
  }

  .hero h1{
    font-size: var(--font-size-3xl);
  }

  .card-grid{
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

  .footer-inner{
    flex-direction: row;
    text-align: left;
    align-items: center;
    justify-content: space-between;
  }

  .hero-float-cards{
    flex-direction: row;
  }
}

@media (min-width: 1024px){
  .container{
    max-width: 1200px;
    padding: 0 var(--section-padding-x-desktop);
    margin: 0 auto;
  }

  .hero{
    min-height: 70vh;
  }

  .hero h1{
    font-size: var(--font-size-hero);
  }

  .section,
  .faq-section{
    padding: var(--section-padding-y) 0;
  }
}

@media (max-width: 767px){
  .hero-float-cards{
    flex-direction: column;
    align-items: center;
  }

  .hero-float-card{
    width: 100%;
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .section:not(.hero):not(.faq-section):hover,
  .card:hover,
  .btn:hover,
  .btn:focus-visible{
    transform: none;
  }
}
.hero .btn-secondary{color:var(--color-text-on-primary);border-color:var(--color-text-on-primary);}

/* === Language switcher (V3 multi-language) === */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 14px;
  flex-shrink: 0;
}
.lang-switcher .lang-link {
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  padding: 3px 7px;
  border-radius: 3px;
  color: var(--color-text-on-primary, #fff);
  opacity: 0.65;
  transition: opacity 0.15s, background 0.15s;
  border: 1px solid rgba(255,255,255,0.25);
  letter-spacing: 0.3px;
}
.lang-switcher .lang-link:hover {
  opacity: 1;
  background: rgba(255,255,255,0.15);
}
.lang-switcher .lang-active {
  opacity: 1;
  background: rgba(255,255,255,0.2);
}
@media (max-width: 767px) {
  .lang-switcher {
    margin: 6px 0 0 0;
    justify-content: center;
  }
}