@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;900&display=swap');

:root {
  --font-family-base: 'Nunito', 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: 600;
  --font-weight-bold: 700;
  --radius-sm: 10px;
  --radius: 12px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --container-max: 880px;
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.45);
  --color-primary: #ffffff;
  --color-secondary: #1f2937;
  --color-accent: #00bfff;
  --color-bg: #000000;
  --color-bg-alt: #0b0b0b;
  --color-bg-card: #121212;
  --color-text: #f2f2f2;
  --color-text-muted: #a0a0a0;
  --color-text-on-primary: #111111;
  --color-border: #2b2b2b;
  --color-shadow: rgba(0, 0, 0, 0.45);
}

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

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

body {
  font-family: var(--font-family-base);
  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);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-4);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  font-weight: var(--font-weight-bold);
}

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

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

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

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

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

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

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

em {
  font-style: italic;
  color: inherit;
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-6);
  color: var(--color-text);
}

li {
  margin-bottom: var(--space-2);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  padding: 0 var(--space-4);
  margin: 0 auto;
  box-sizing: border-box;
}

.section,
.faq-section {
  padding: var(--space-20) 0;
}

.site-header {
  position: relative;
  min-height: 64px;
  overflow: visible;
  background: linear-gradient(135deg, #050505 0%, #121212 100%);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  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: 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: 0.2s ease;
}

.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;
  margin: 0;
  padding: 0.5rem 0;
  list-style: none;
}

.nav-item {
  margin: 0;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.45rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

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

.site-header .nav-link,
.site-header a {
  color: var(--color-text);
}

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

.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);
  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: var(--space-8) 0;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #050505 0%, #111111 52%, #00bfff 100%);
  color: #F2F2F2;
}

.hero .container {
  width: 100%;
}

.hero-inner,
.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-big-title {
  font-size: clamp(2.5rem, 10vw, 4rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  color: inherit;
}

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

.hero p,
.hero .hero-subtitle {
  font-size: var(--font-size-base);
  color: inherit;
}

.hero-sub-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-subtitle {
  flex: 1 1 300px;
  font-size: 1.1rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.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);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-radius: var(--radius) var(--radius) 0 0;
}

.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,
button[type="submit"] {
  display: inline-block;
  max-width: 100%;
  word-break: break-word;
  white-space: normal;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn:hover,
button[type="submit"]:hover {
  transform: translateY(-2px);
  filter: brightness(0.9);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-on-primary);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

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

.site-footer {
  background: var(--color-bg-alt);
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
}

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

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

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

.faq-section {
  padding: var(--space-20) 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: 0.2s ease;
}

.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 0.2s ease;
}

.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: inherit;
}

label {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

input,
textarea,
select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-card);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.18);
}

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

button[type="submit"] {
  background: var(--color-accent);
  color: var(--color-text-on-primary);
  border-color: var(--color-accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  color: var(--color-text);
}

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

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

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

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

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

.mt-1 {
  margin-top: var(--space-1);
}

.mt-2 {
  margin-top: var(--space-2);
}

.mt-3 {
  margin-top: var(--space-3);
}

.mt-4 {
  margin-top: var(--space-4);
}

.hidden {
  display: none !important;
}

@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-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);
    padding-left: 0;
    min-width: 200px;
    background: var(--color-bg-card);
  }

  .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;
    justify-content: space-between;
    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;
  }
}

@media (max-width: 767px) {
  .hero-sub-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-big-title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  table {
    display: block;
    overflow-x: auto;
  }
}