/* components.css — buttons, cards, utilities */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem var(--space-md); /* 10px 16px */
  border-radius: 0.5rem; /* 8px */
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition:
    transform 200ms cubic-bezier(0.2, 0.9, 0.2, 1),
    box-shadow 200ms ease,
    background-color 160ms ease,
    opacity 160ms ease;
  will-change: transform, box-shadow;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  backface-visibility: hidden;
}

.btn--lg {
  padding: var(--space-md) var(--space-3xl);
  font-size: 1.1rem;
  border-radius: 0.625rem;
}

@media (max-width: 56rem) {
  .btn--lg {
    padding: var(--space-sm) var(--space-xl);
  }
}
.btn--primary {
  background: var(--color-accent);
  color: var(--text-0);
  font-weight: 600;
}

.btn--secondary {
  background: color-mix(in srgb, var(--color-secondary) 22%, var(--bg-1));
  color: var(--text-0);
  border: 1px solid color-mix(in srgb, var(--color-secondary) 48%, var(--bg-2));
  font-weight: 600;
}

[data-theme='light'] .btn--secondary {
  background: color-mix(in srgb, var(--color-secondary) 18%, var(--bg-1));
  color: var(--text-0);
  border-color: color-mix(in srgb, var(--color-secondary) 34%, var(--bg-2));
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: color-mix(in srgb, var(--color-secondary) 34%, var(--bg-1));
  border-color: color-mix(in srgb, var(--color-secondary) 54%, var(--bg-2));
}

.btn--hero {
  background: var(--color-accent);
  color: var(--text-hero);
  font-weight: 600;
}

.btn--ghost {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--text-0) 16%, transparent);
}

.hero__ctas .btn--ghost {
  background: color-mix(in srgb, var(--text-hero) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--text-hero) 12%, transparent);
  color: var(--text-hero);
}

.hero__ctas .btn,
.about__cta .btn {
  backface-visibility: hidden;
  transform: perspective(1px) translateZ(0);
}

.hero__ctas .btn--primary {
  color: var(--text-hero);
}

.hero__ctas .btn:hover,
.hero__ctas .btn:focus-visible,
.btn--primary:hover,
.btn--primary:focus-visible,
.btn--secondary:hover,
.btn--secondary:focus-visible,
.btn--ghost:hover,
.btn--ghost:focus-visible {
  transform: translate3d(0, -4px, 0);
  box-shadow: 0 14px 36px rgba(2, 8, 23, 0.18);
}

.hero__ctas .btn--ghost:hover,
.hero__ctas .btn--ghost:focus-visible {
  background: color-mix(in srgb, var(--text-hero) 12%, transparent);
}

.btn:active,
.btn:focus-visible:active,
.hero__ctas .btn:active,
.hero__ctas .btn:focus-visible:active {
  transform: translate3d(0, 0, 0);
  box-shadow: 0 6px 18px rgba(2, 8, 23, 0.12);
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .hero__ctas .btn {
    transition: none;
    transform: none !important;
    box-shadow: none !important;
  }
}

#theme-toggle {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--text-0) 12%, transparent);
  padding: var(--space-xs) var(--space-sm); /* 8px 12px */
  border-radius: 0.5rem; /* 8px */
  font-size: 1.2rem;
  color: var(--text-0);
  transition:
    color 200ms ease,
    background-color 200ms ease,
    border-color 200ms ease;
}

#theme-toggle svg {
  display: block;
  width: 1.1rem;
  height: 1.1rem;
  stroke: currentColor;
  fill: none;
  transition:
    stroke 180ms ease,
    fill 180ms ease;
}

#theme-toggle:hover,
#theme-toggle:focus-visible {
  color: var(--color-primary);
  background-color: color-mix(in srgb, var(--color-primary) 6%, var(--bg-1));
  border-color: color-mix(in srgb, var(--color-primary) 14%, var(--bg-2));
}

.lang-flag {
  display: inline-flex;
  width: 1.4rem;
  height: 1.12rem;
  flex: 0 0 1.4rem;
  vertical-align: middle;
  margin-left: 0.4rem;
  margin-right: var(--space-xs);
  line-height: 0;
  transform: translateY(0);
  border-radius: 0.25rem; /* 4px */
  overflow: hidden;
  background: var(--bg-1);
  border: 1px solid color-mix(in srgb, var(--text-0) 10%, transparent);
}

.lang-flag svg {
  display: block;
  width: 100%;
  height: 100%;
}

.visually-hidden {
  position: absolute !important;
  height: 0.0625rem; /* 1px */
  width: 0.0625rem; /* 1px */
  overflow: hidden;
  clip: rect(0.0625rem, 0.0625rem, 0.0625rem, 0.0625rem);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -0.0625rem; /* -1px */
}

.lang-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.375rem 0.625rem; /* 6px 10px */
  border-radius: 0.5rem; /* 8px */
  background: var(--bg-1);
  color: var(--text-0);
  border: 1px solid var(--bg-2);
  cursor: pointer;
  transition:
    background-color 200ms ease,
    border-color 200ms ease,
    color 180ms ease;
}

.lang-button .chev {
  opacity: 0.7;
  font-size: 0.9rem;
}

.lang-button:hover,
.lang-button:focus-visible {
  background-color: color-mix(in srgb, var(--color-primary) 4%, var(--bg-1));
  border-color: color-mix(in srgb, var(--color-primary) 12%, var(--bg-2));
  color: var(--color-primary);
}

.lang-button:hover .chev,
.lang-button:focus-visible .chev {
  opacity: 1;
  color: var(--color-primary);
}

.lang-listbox {
  position: absolute;
  margin-top: 0.375rem;
  background: var(--bg-1);
  border: 1px solid var(--bg-2);
  border-radius: 0.5rem;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.12); /* 8px 24px */
  width: auto;
  min-width: 5rem; /* 140px */
  z-index: 1000;
  display: none;
  max-height: 15rem; /* 240px */
  overflow: auto;
  transform-origin: top left;
  opacity: 0;
  font-size: 0.8rem;
  transform: translateY(-0.375rem) scaleY(0.98);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.lang-listbox[aria-hidden='false'] {
  display: block;
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .lang-listbox {
    transition: none;
    transform: none;
  }
}
.lang-listbox__option {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: var(--space-xs) 0.625rem; /* 8px 10px */
  cursor: pointer;
  transition:
    background-color 160ms ease,
    color 160ms ease;
}

.lang-listbox__option[aria-selected='true'] {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.lang-listbox__option:focus-visible {
  outline: none;
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.lang-listbox__option:hover {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  background: transparent;
  padding: var(--space-sm) 0; /* 12px */
}
.marquee__track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 1.125rem; /* 18px */
  animation: marqueeMove 10s linear infinite;
}
.marquee:hover .marquee__track {
  animation-play-state: paused;
}
.marquee__group {
  display: flex;
  gap: 1.125rem; /* 18px */
  align-items: center;
}
.tool-card {
  --tool-accent: var(--color-tool-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8.75rem; /* 140px */
  padding: var(--space-sm) 1.125rem; /* 12px 18px */
  border-radius: 0.625rem; /* 10px */
  background: var(--tool-card-bg, color-mix(in srgb, var(--color-tertiary) 17%, var(--bg-1)));
  color: var(--text-0);
  font-weight: 600;
  box-shadow: 0 0.375rem 1.125rem rgba(2, 6, 23, 0.08); /* 6px 18px */
  transform-origin: center;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
  white-space: nowrap;
}
.tool-card:hover,
.tool-card:focus-visible {
  transform: translateY(-0.375rem) scale(1.04);
  box-shadow: 0 0.7rem 2.25rem color-mix(in srgb, var(--tool-accent) 7.5%, rgba(2, 6, 23, 0.6));
}

.marquee::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 0.25rem;
  box-shadow: inset 0 12px 30px rgba(2, 6, 23, 0.02);
}

.hero__badge svg #badge-text {
  transform-box: view-box;
  -webkit-transform-box: view-box;
  transform-origin: 50% 50%;
  -webkit-transform-origin: 50% 50%;
  animation: badge-rotate 18s linear infinite;
  will-change: transform;
}

.hero__badge:hover svg #badge-text {
  animation-play-state: paused;
}

@keyframes badge-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__badge svg #badge-text {
    animation: none !important;
  }
}

:root[data-theme='light'] .marquee::after {
  box-shadow: inset 0 12px 30px color-mix(in srgb, #0f4c81 12%, rgba(14, 20, 33, 0.06));
}

:root[data-theme='dark'] .marquee::after {
  box-shadow: inset 0 12px 30px rgba(2, 6, 23, 0.06);
}

.tool-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem; /* 24px */
  height: 1.5rem; /* 24px */
  margin-right: 0.625rem; /* 10px */
  flex: 0 0 1.5rem;
  color: var(--tool-accent, var(--color-secondary));
}
.tool-icon svg {
  width: 1.5rem; /* 24px */
  height: 1.5rem; /* 24px */
  display: block;
}
.tool-label {
  display: inline-block;
  font-weight: 700;
  letter-spacing: -0.01em;
}

:root[data-theme='light'] .tool-card {
  --tool-accent: var(--color-tool-accent);
  --tool-card-bg: linear-gradient(
    180deg,
    color-mix(in srgb, var(--tool-accent) 12%, var(--bg-1)) 0%,
    color-mix(in srgb, var(--tool-accent) 6%, var(--bg-1)) 55%,
    color-mix(in srgb, var(--tool-accent) 3%, var(--bg-1)) 85%
  );
  box-shadow: 0 0.5rem 1.5rem color-mix(in srgb, var(--tool-accent) 8%, rgba(2, 6, 23, 0.06));
}

:root[data-theme='dark'] .tool-card {
  --tool-accent: var(--color-tool-accent);
  --tool-card-bg: linear-gradient(
    180deg,
    color-mix(in srgb, var(--tool-accent) 18%, var(--bg-1)) 0%,
    color-mix(in srgb, var(--tool-accent) 10%, var(--bg-1)) 55%,
    var(--bg-1) 100%
  );
}

@keyframes marqueeMove {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
  }
}

:root[data-theme='dark'] #theme-toggle:hover,
:root[data-theme='dark'] #theme-toggle:focus-visible,
:root[data-theme='dark'] .lang-button:hover,
:root[data-theme='dark'] .lang-button:focus-visible {
  color: color-mix(
    in srgb,
    var(--color-primary) var(--control-hover-brighten, 72%),
    var(--text-0) calc(100% - var(--control-hover-brighten, 72%))
  );
}

:root[data-theme='dark'] .lang-button:hover .chev,
:root[data-theme='dark'] .lang-button:focus-visible .chev {
  color: color-mix(
    in srgb,
    var(--color-primary) var(--control-hover-brighten, 72%),
    var(--text-0) calc(100% - var(--control-hover-brighten, 72%))
  );
  opacity: 1;
}

.submit-btn {
  background-color: var(--color-submit);
  color: var(--color-submit-foreground);
  font-size: 1rem;
  font-weight: 600;
}