/* ============================================================
   GK8 Website — Component Styles
   ============================================================ */

/* — Container — */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* — Section Heading — */
.section-heading {
  max-width: 640px;
}

.section-heading--center {
  text-align: center;
  margin-inline: auto;
}

.section-heading__overline {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section-heading__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-text);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

.section-heading__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
}

/* — Buttons — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1;
  text-transform: none;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    background var(--duration-instant) var(--ease-out),
    transform var(--duration-instant) var(--ease-out),
    box-shadow var(--duration-instant) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: none;
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    oklch(1 0 0 / 0.12),
    transparent
  );
  transition: left var(--duration-slow) var(--ease-out);
}

.btn--outlined {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border-hover);
}

.btn--secondary {
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn--accent {
  background: var(--color-primary);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid oklch(1 0 0 / 0.2);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Button active state — all variants */
.btn:active {
  transform: scale(0.97);
}

/* Button disabled state */
.btn:disabled,
.btn--disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

/* Hover states — wrapped for proper input detection */
@media (hover: hover) {
  .btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px oklch(0.38 0.12 12 / 0.25);
  }

  .btn--primary:hover::before {
    left: 100%;
  }

  .btn--outlined:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
  }

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

  .btn--accent:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px oklch(0.38 0.12 12 / 0.3);
  }

  .btn--ghost:hover {
    border-color: oklch(1 0 0 / 0.4);
    background: oklch(1 0 0 / 0.05);
  }
}

/* Fallback for non-hover devices */
@media (hover: none) {
  .btn--primary:active {
    background: var(--color-primary-dark);
  }

  .btn--outlined:active {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
  }

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

  .btn--ghost:active {
    border-color: oklch(1 0 0 / 0.4);
    background: oklch(1 0 0 / 0.05);
  }
}

/* — Badge / Pill — */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  border-radius: var(--radius-full);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.badge--accent {
  background: oklch(0.38 0.12 12 / 0.1);
  color: var(--color-primary);
}

/* — Card — */
.card {
  background: var(--color-bg-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  transition:
    transform var(--duration-normal) var(--ease-out-quart),
    box-shadow var(--duration-normal) var(--ease-out-quart),
    border-color var(--duration-normal) var(--ease-out);
}

@media (hover: hover) {
  .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-border-hover);
  }
}

/* — Icon Container — */
.icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.icon-wrap svg {
  width: 28px;
  height: 28px;
}

/* — Header — */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(1 0 0 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-6);
}

.site-header__logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.site-header__logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-header__link {
  position: relative;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-instant) var(--ease-out);
}

.site-header__link::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: -4px;
  left: 0;
  height: 2px;
  border-radius: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-normal) var(--ease-out-quart);
}

.site-header__link--active {
  color: var(--color-text);
}

.site-header__link--active::after {
  transform: scaleX(1);
}

@media (hover: hover) {
  .site-header__link:hover {
    color: var(--color-text);
  }

  .site-header__link:hover::after {
    transform: scaleX(1);
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__cta {
  padding-inline: var(--space-4);
}

.site-header__menu-button,
.mobile-navigation__close {
  border: 0;
  background: transparent;
  color: var(--color-text);
}

.site-header__menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body.nav-open {
  overflow: hidden;
}

.mobile-navigation[hidden] {
  display: none;
}

.mobile-navigation {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-paper);
}

.mobile-navigation__panel {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-4) var(--container-padding) var(--space-6);
}

.mobile-navigation__close {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  margin-bottom: var(--space-6);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-navigation nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-navigation__link {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.mobile-navigation .btn {
  width: 100%;
  min-height: 44px;
  margin-top: var(--space-4);
}

.mobile-navigation[data-mobile-enhanced]:not([hidden]) {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  justify-content: flex-end;
  border: 0;
  background: oklch(0 0 0 / 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.mobile-navigation[data-mobile-enhanced] .mobile-navigation__panel {
  width: min(360px, 88vw);
  height: 100%;
  margin: 0;
  overflow-y: auto;
  background: var(--color-bg-paper);
  padding: var(--space-6);
  box-shadow: var(--shadow-product);
}

.mobile-navigation[data-mobile-enhanced] .mobile-navigation__close {
  display: flex;
}

@media (min-width: 901px) {
  .mobile-navigation:not([data-mobile-enhanced]) {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-header__nav,
  .site-header__cta {
    display: none;
  }

  .has-mobile-navigation .site-header__menu-button {
    display: flex;
  }
}
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-on-dark-muted);
  padding: var(--space-16) 0 var(--space-8);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.site-footer__brand-text {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-on-dark-muted);
  max-width: 280px;
  margin-top: var(--space-4);
}

.site-footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-on-dark-muted);
  margin-bottom: var(--space-4);
}

.site-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__link {
  font-size: var(--text-sm);
  color: var(--color-on-dark-muted);
  text-decoration: none;
  transition:
    color var(--duration-instant) var(--ease-out),
    transform var(--duration-fast) var(--ease-out-quart);
  display: inline-block;
}

@media (hover: hover) {
  .site-footer__link:hover {
    color: #f7f5f6;
    transform: translateX(4px);
  }
}

.site-footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid oklch(1 0 0 / 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-on-dark-subtle);
}

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

@media (max-width: 375px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* — Card Variants — */
.card--glass {
  background: oklch(1 0 0 / 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid oklch(1 0 0 / 0.2);
}

.card--gradient {
  border-top: 3px solid transparent;
  border-image: linear-gradient(
      to right,
      var(--color-primary),
      var(--color-secondary)
    )
    1;
  border-image-slice: 1 1 0 1;
}

/* ——————————————————————————————————————
   TOUCH TARGETS & SAFE AREAS
   ——————————————————————————————————————— */

@media (pointer: coarse) {
  .btn {
    min-height: 44px;
  }

  .site-header__link {
    padding: var(--space-2) var(--space-1);
  }

  .mobile-navigation__link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .form-group__input,
  .form-group__textarea,
  .form-group__select {
    min-height: 44px;
  }
}

.site-header {
  padding-top: env(safe-area-inset-top, 0);
}

.site-footer {
  padding-bottom: env(safe-area-inset-bottom, 0);
}

/* ——————————————————————————————————————
   PRINT STYLESHEET
   ——————————————————————————————————————— */

@media print {
  .site-header,
  .site-footer,
  .mobile-navigation,
  .btn {
    display: none !important;
  }

  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  .hero {
    background: white;
    min-height: auto;
    padding: 1cm 0;
  }

  .hero__title,
  .hero__subtitle {
    color: black;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }
}

/* Product surfaces and accessible interaction targets */
.btn,
button,
input,
select,
textarea,
[role='button'] {
  min-height: 44px;
}

.site-header__link,
.site-footer__link,
.mobile-navigation__link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.product-frame {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-product);
}

.product-frame__chrome {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-primary-soft);
  color: var(--color-text-secondary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.product-frame__content {
  padding: clamp(var(--space-4), 3vw, var(--space-8));
  background: var(--color-surface);
}

.demo-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.demo-cta__eyebrow {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-cta__copy {
  max-width: 48rem;
}

.demo-cta h2 {
  margin-top: var(--space-3);
  font-size: clamp(1.7rem, 3.5vw, 2.8rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.demo-cta__copy > p:last-child {
  margin-top: var(--space-3);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.demo-cta__actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.demo-badge {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border: 1px solid
    color-mix(in srgb, var(--color-primary) 22%, var(--color-border));
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .demo-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-cta__actions,
  .demo-cta__actions .btn {
    width: 100%;
  }
}