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

:root {
  --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: #00bfff;
  --color-secondary: #7a5cff;
  --color-accent: #d400ff;

  --color-bg: #000000;
  --color-bg-alt: #0b0b14;
  --color-bg-card: #11111b;

  --color-text: #e8e8e8;
  --color-text-muted: #a0a0a0;
  --color-text-on-primary: #ffffff;

  --color-border: #26263a;
  --color-shadow: #000000;

  --radius: 1rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1.5rem;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.25rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --container-width: 1140px;
  --transition-fast: 0.2s ease;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 12px 28px rgba(0, 0, 0, 0.45);
}

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

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

body {
  font-family: 'Montserrat', sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
  background: var(--color-bg);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-3);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: 900;
}

h2,
.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 900;
}

h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

p {
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
}

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

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

em {
  font-style: italic;
}

ul,
ol {
  margin: 0 0 var(--space-3);
  padding-left: 1.25rem;
  color: var(--color-text);
}

li {
  margin-bottom: 0.25rem;
}

.container {
  width: 100%;
  padding: 0 1rem;
  box-sizing: border-box;
  margin: 0 auto;
}

.section,
.faq-section {
  padding: 2rem 0;
}

.section:nth-child(odd),
.section:nth-of-type(odd) {
  background: var(--color-bg);
}

.section:nth-child(even),
.section:nth-of-type(even) {
  background: var(--color-bg-card);
  border-top: 2px solid var(--color-primary);
}

.site-header {
  position: sticky;
  top: 0;
  min-height: 64px;
  display: block;
  align-items: initial;
  overflow: visible;
  z-index: 100;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  justify-content: flex-start;
}

.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: 200;
  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-fast);
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  z-index: 500;
  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;
}

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

.nav-item {
  position: relative;
}

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

.nav-link {
  display: block;
  font-size: var(--font-size-xs);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: #E8E8E8;
  position: relative;
  white-space: nowrap;
}

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

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

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-primary);
}

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

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

.nav-dropdown-menu {
  display: none;
  position: static;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0 0.5rem 1rem;
  background: var(--color-bg-card);
  border: none;
  border-radius: var(--radius-sm);
  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;
}

.nav-dropdown-menu .nav-link:hover {
  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-alt) 0%, var(--color-secondary) 55%, var(--color-primary) 100%);
  color: #1A1A1A;
}

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

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

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

.hero-cta {
  justify-content: center;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
  margin-top: 0.5rem;
}

.hero-stat {
  text-align: center;
  min-width: 80px;
}

.hero-stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.hero-stat span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.card {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), filter var(--transition-fast);
  color: #F2F2F2;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  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;
}

.card > :not(img):not(.card-body) {
  padding: 1rem 1.25rem 0;
}

.card-body {
  padding: 1rem 1.25rem;
}

.card h3,
.card h4 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

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

.btn {
  display: inline-block;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  max-width: 100%;
  word-break: break-word;
  white-space: normal;
  transition: transform var(--transition-fast), filter var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(0.9);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-on-primary);
  box-shadow: 0 10px 24px rgba(0, 191, 255, 0.28);
}

.btn-secondary {
  background: transparent;
  border-color: 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;
  justify-content: space-between;
}

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

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

.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-fast);
}

.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);
}

.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-fast);
}

.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 {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font: inherit;
  line-height: var(--line-height-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

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

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.2);
}

label {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

button[type="submit"] {
  cursor: pointer;
}

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

th,
td {
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-align: left;
}

th {
  background: var(--color-bg-card);
  font-weight: var(--font-weight-bold);
}

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

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

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

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

.mt-2 {
  margin-top: 0.75rem;
}

.mt-3 {
  margin-top: 1rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 767px) {
  .hero-stats {
    gap: 1.5rem;
  }

  .hero-stat strong {
    font-size: 1.5rem;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 960px;
    padding: 0 1.5rem;
    margin: 0 auto;
  }

  .site-header .container {
    justify-content: space-between;
  }

  .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;
    width: auto;
  }

  .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: 9999;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    padding: 0.5rem 0;
  }

  .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;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1200px;
    padding: 0 2rem;
    margin: 0 auto;
  }

  .hero {
    min-height: 70vh;
  }

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

  .section,
  .faq-section {
    padding: 4rem 0;
  }
}