:root {
  --bg-deep: #0a0c10;
  --bg-panel: #12151c;
  --text: #e8eaef;
  --text-muted: #8b93a7;
  --accent-solutions: #3d9cf0;
  --accent-labs: #c45cff;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ——— Landing split ——— */
.landing-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.landing-page .landing {
  flex: 1;
  min-height: 0;
}

.landing-page > .site-footer {
  flex-shrink: 0;
}

.landing {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
}

.landing__half {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow: hidden;
  transition: background 0.35s ease, transform 0.35s ease;
}

.landing__half--solutions {
  background: linear-gradient(145deg, #0d1522 0%, var(--bg-deep) 55%);
  border-right: 1px solid var(--border);
}

.landing__half--solutions:hover {
  background: linear-gradient(145deg, #102238 0%, #0a0c10 60%);
}

.landing__half--labs {
  background: linear-gradient(-145deg, #1a0f22 0%, var(--bg-deep) 55%);
  border-left: 1px solid var(--border);
}

.landing__half--labs:hover {
  background: linear-gradient(-145deg, #251430 0%, #0a0c10 60%);
}

.landing__half-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.landing__half-content {
  position: relative;
  z-index: 2;
  pointer-events: none;
  text-align: center;
}

.landing__label {
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.landing__half--solutions .landing__label {
  color: var(--accent-solutions);
}

.landing__half--labs .landing__label {
  color: var(--accent-labs);
}

.landing__hint {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.landing__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1.25rem;
  background: radial-gradient(ellipse at center, #1a1e28 0%, transparent 70%);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  min-width: min(280px, 22vw);
  z-index: 3;
}

.landing__brand {
  font-size: clamp(0.7rem, 1.2vw, 0.8rem);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.landing__brand-main {
  margin-top: 0.35rem;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .landing {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto 1fr;
  }

  .landing__half--solutions {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .landing__half--labs {
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .landing__center {
    flex-direction: row;
    gap: 0.75rem;
    padding: 1rem;
    border-left: none;
    border-right: none;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    min-width: unset;
    width: 100%;
  }

  .landing__brand {
    letter-spacing: 0.15em;
  }
}

/* ——— Inner pages ——— */
.page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__brand {
  font-weight: 700;
  font-size: 1rem;
}

.site-header__brand span {
  color: var(--text-muted);
  font-weight: 500;
}

.site-header__nav {
  display: flex;
  gap: 1rem;
}

.site-header__nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.site-header__nav a:hover {
  color: var(--text);
}

.site-main {
  flex: 1;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

.hero {
  margin-bottom: 2.5rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
}

.hero p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card + .card {
  margin-top: 1rem;
}

.site-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer a:hover {
  color: var(--text);
}

.site-footer a[aria-current="page"] {
  color: var(--text);
  text-decoration-color: rgba(255, 255, 255, 0.3);
}

/* ——— Labs tabs ——— */
.tabs {
  margin-top: 1.5rem;
}

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--border);
}

.tabs__btn {
  appearance: none;
  font: inherit;
  cursor: pointer;
  padding: 0.65rem 1rem;
  margin-bottom: -1px;
  border: 1px solid transparent;
  border-radius: var(--radius) var(--radius) 0 0;
  background: transparent;
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

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

.tabs__btn[aria-selected="true"] {
  color: var(--accent-labs);
  background: var(--bg-panel);
  border-color: var(--border);
  border-bottom-color: var(--bg-panel);
}

.tabs__panel {
  display: none;
  animation: fade 0.25s ease;
}

.tabs__panel[aria-hidden="false"] {
  display: block;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.tabs__panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.tabs__panel p {
  margin: 0;
  color: var(--text-muted);
}

/* Theme accent for solutions inner */
.page--solutions .hero h1 {
  color: var(--accent-solutions);
}

.page--labs .hero h1 {
  color: var(--accent-labs);
}

/* ——— Games grid & banner ——— */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.game-banner {
  position: relative;
  display: block;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.game-banner:hover {
  border-color: var(--accent-labs);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(196, 92, 255, 0.18);
}

.game-banner__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(196, 92, 255, 0.12) 0%, transparent 65%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.game-banner:hover .game-banner__glow {
  opacity: 1;
}

.game-banner__content {
  position: relative;
  z-index: 1;
}

.game-banner__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-labs);
  background: rgba(196, 92, 255, 0.12);
  border: 1px solid rgba(196, 92, 255, 0.3);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  margin-bottom: 1.1rem;
}

.game-banner__title {
  margin: 0 0 0.1rem;
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
}

.game-banner__subtitle {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--accent-labs);
  opacity: 0.85;
}

.game-banner__description {
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.game-banner__cta {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-labs);
  transition: letter-spacing 0.2s ease;
}

.game-banner:hover .game-banner__cta {
  letter-spacing: 0.04em;
}

/* ——— Legal pages ——— */
.legal h2 { margin: 2rem 0 0.5rem; font-size: 1rem; font-weight: 700; color: var(--text); }
.legal h3 { margin: 1.25rem 0 0.4rem; font-size: 0.9rem; font-weight: 600; color: var(--text); }
.legal p  { margin: 0.5rem 0; color: var(--text-muted); font-size: 0.93rem; line-height: 1.65; }
.legal ul { margin: 0.5rem 0 0.5rem 1.25rem; color: var(--text-muted); font-size: 0.93rem; line-height: 1.65; }
.legal li { margin: 0.2rem 0; }
.legal a  { color: var(--accent-labs); text-decoration: underline; text-underline-offset: 3px; }
.legal a:hover { color: var(--text); }
.legal strong { color: var(--text); }
.legal .box {
  margin: 0.75rem 0;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.legal .muted { font-size: 0.8rem; color: var(--text-muted); opacity: 0.6; }

/* ——— Contact section ——— */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 560px) {
  .contact-form__row {
    grid-template-columns: 1fr;
  }
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-form__label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-form__input {
  appearance: none;
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  resize: none;
}

.contact-form__input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.contact-form__input:focus {
  border-color: var(--accent-labs);
  background: rgba(196, 92, 255, 0.05);
}

.contact-form__textarea {
  line-height: 1.55;
}

.contact-form__submit {
  align-self: flex-start;
  appearance: none;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--accent-labs);
  background: rgba(196, 92, 255, 0.12);
  color: var(--accent-labs);
  transition: background 0.2s, transform 0.15s;
}

.contact-form__submit:hover {
  background: rgba(196, 92, 255, 0.22);
  transform: translateY(-1px);
}

.contact-form__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.contact-form__success {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--accent-labs);
  font-weight: 500;
}

.contact-form__error {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: #f87171;
  font-weight: 500;
}

.contact-form__legal {
  margin: 0.6rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.7;
  line-height: 1.55;
}

.contact-form__legal a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-form__legal a:hover {
  color: var(--accent-labs);
}

.contact-form__required {
  color: #f87171;
  font-weight: 700;
}

.contact-form__hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.6;
}