/* ==========================================================
   Components — buttons, header, cards, tabs, form
   ========================================================== */

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid var(--blue);
  background: var(--blue);
  color: var(--on-blue);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition:
    transform var(--dur) var(--ease-spring),
    box-shadow var(--dur) var(--ease-out-expo),
    background-color var(--dur) var(--ease-out-expo),
    border-color var(--dur) var(--ease-out-expo);
}

.btn .arw {
  transition: transform var(--dur) var(--ease-spring);
  flex: none;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.btn:hover .arw,
.btn:focus-visible .arw {
  transform: translateX(4px);
}

.btn:active {
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  color: var(--blue);
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
  background: var(--surface-2);
  border-color: var(--blue);
  color: var(--blue);
}

.btn.on-blue {
  background: var(--paper);
  color: var(--blue-deep);
  border-color: var(--paper);
}

.btn.on-blue:hover,
.btn.on-blue:focus-visible {
  background: var(--surface-2);
  border-color: var(--surface-2);
  color: var(--blue-deep);
}

/* Inside the final CTA band the ground is dark in both themes */
.cta-section .btn.on-blue {
  background: var(--cta-btn-bg);
  color: var(--cta-btn-fg);
  border-color: var(--cta-btn-bg);
}

.cta-section .btn.on-blue:hover,
.cta-section .btn.on-blue:focus-visible {
  background: color-mix(in srgb, var(--cta-btn-bg) 88%, var(--blue));
  border-color: transparent;
  color: var(--cta-btn-fg);
}

.btn.sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
}

.btn.lg {
  padding: 1.05rem 2.2rem;
  font-size: 1.05rem;
}

.btn.block {
  width: 100%;
}

/* Attention ring on the primary hero CTA */
.btn.pulse::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  border: 2px solid var(--blue);
  z-index: -1;
  animation: ring 2.6s var(--ease-out-expo) infinite;
}

@keyframes ring {
  0% {
    opacity: 0.55;
    transform: scale(1);
  }
  70%,
  100% {
    opacity: 0;
    transform: scale(1.22);
  }
}

/* ---------------------------------------------------------
   Scroll progress + header
   --------------------------------------------------------- */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 60;
  will-change: transform;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--dur),
    box-shadow var(--dur);
}

header.site.stuck {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.7rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  text-decoration: none;
}

.brand .mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  flex: none;
  background-image: url('../img/mascot-standing.png');
  background-size: 235% auto;
  background-position: 50% 13%;
  background-repeat: no-repeat;
  background-color: var(--surface-2);
  border: 1.5px solid var(--line);
  transition: transform var(--dur) var(--ease-spring);
}

.brand:hover .mark {
  transform: rotate(-8deg) scale(1.06);
}

.brand small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.66rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

nav.links {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 0.4rem + 1.4vw, 1.9rem);
}

.nav-menu {
  display: flex;
  gap: clamp(0.8rem, 0.4rem + 1.4vw, 1.9rem);
}

.nav-menu a {
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink-soft);
  position: relative;
  padding-block: 0.25rem;
  transition: color var(--dur);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  transition: right var(--dur) var(--ease-out-expo);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--blue);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
  right: 0;
}

@media (max-width: 800px) {
  .nav-menu {
    display: none;
  }
}

/* ---------------------------------------------------------
   Consult widget: booking / email tabs
   --------------------------------------------------------- */
.consult {
  background: color-mix(in srgb, var(--cta-fg) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--cta-fg) 24%, transparent);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  backdrop-filter: blur(8px);
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
  background: color-mix(in srgb, var(--cta-fg) 12%, transparent);
  border-radius: 999px;
  padding: 0.3rem;
}

.tab {
  appearance: none;
  border: none;
  cursor: pointer;
  background: transparent;
  color: color-mix(in srgb, var(--cta-fg) 78%, transparent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.62rem 0.5rem;
  border-radius: 999px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition:
    background-color var(--dur) var(--ease-out-expo),
    color var(--dur) var(--ease-out-expo);
}

.tab:hover {
  color: var(--cta-fg);
}

.tab[aria-selected='true'] {
  background: var(--cta-btn-bg);
  color: var(--cta-btn-fg);
  box-shadow: var(--shadow-sm);
}

.tab svg {
  flex: none;
}

.tabpanel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tabpanel[hidden] {
  display: none;
}

/* --- booking panel --- */
.book-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.book-head .figure {
  width: 3.4rem;
  height: 3.4rem;
  flex: none;
}

.book-head strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.book-head span {
  font-size: 0.79rem;
  color: color-mix(in srgb, var(--cta-fg) 74%, transparent);
}

.calendar-frame {
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--cta-fg) 20%, transparent);
}

.calendar-frame iframe {
  width: 100%;
  height: 640px;
  border: 0;
  display: block;
}

@media (max-width: 620px) {
  .calendar-frame iframe {
    height: 560px;
  }
}

/* ---------------------------------------------------------
   Form
   --------------------------------------------------------- */
.form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field label {
  font-size: 0.79rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--cta-fg) 86%, transparent);
}

.field .req {
  color: var(--cta-fg);
  background: color-mix(in srgb, var(--cta-fg) 22%, transparent);
  font-size: 0.64rem;
  padding: 0.08rem 0.4rem;
  border-radius: 999px;
  margin-left: 0.35rem;
  vertical-align: 0.1em;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 0.9rem;
  width: 100%;
  padding: 0.62rem 0.8rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--cta-fg) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--cta-fg) 28%, transparent);
  color: var(--cta-fg);
  transition:
    border-color var(--dur),
    background-color var(--dur);
}

.field textarea {
  resize: vertical;
  min-height: 5.5rem;
  line-height: 1.7;
}

.field input::placeholder,
.field textarea::placeholder {
  color: color-mix(in srgb, var(--cta-fg) 52%, transparent);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cta-fg);
  background: color-mix(in srgb, var(--cta-fg) 18%, transparent);
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--cta-fg) 45%, transparent);
  outline-offset: 2px;
}

.field select option {
  background: var(--cta-bg);
  color: var(--cta-fg);
}

.field .err {
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffd4d4;
}

.field[data-invalid='true'] input,
.field[data-invalid='true'] select,
.field[data-invalid='true'] textarea {
  border-color: #ffb0b0;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

@media (max-width: 520px) {
  .field-row {
    grid-template-columns: 1fr;
  }
}

.form-note {
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--cta-fg) 70%, transparent);
  line-height: 1.65;
}

.form-status {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.65;
  background: color-mix(in srgb, var(--cta-fg) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--cta-fg) 26%, transparent);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
}

.form-status[hidden] {
  display: none;
}

.form-status a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------------------------------------------------------
   Sticky CTA bar
   --------------------------------------------------------- */
.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  z-index: 55;
  width: min(680px, calc(100% - 1.5rem));
  transform: translate(-50%, 160%);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  padding: 0.55rem 0.6rem 0.55rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  opacity: 0;
  transition:
    transform 520ms var(--ease-out-expo),
    opacity 380ms var(--ease-out-expo);
}

.sticky-cta.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

.sticky-cta .figure {
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
  border-radius: 50%;
  background-image: url('../img/mascot-standing.png');
  background-size: 235% auto;
  background-position: 50% 13%;
  background-color: var(--surface-2);
  border: 1px solid var(--line);
}

.sticky-cta .txt {
  flex: 1;
  min-width: 0;
  line-height: 1.45;
}

.sticky-cta .txt strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.93rem;
}

.sticky-cta .txt span {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 520px) {
  .sticky-cta {
    border-radius: var(--radius-lg);
    padding: 0.6rem;
    gap: 0.65rem;
  }

  .sticky-cta .figure {
    width: 2.2rem;
    height: 2.2rem;
  }

  .sticky-cta .txt strong {
    font-size: 0.85rem;
  }

  .sticky-cta .txt span {
    font-size: 0.68rem;
  }

  .sticky-cta .btn {
    padding: 0.6rem 1rem;
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sticky-cta {
    transition: none;
  }
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
footer.site {
  border-top: 1px solid var(--line);
}

footer.site .inner {
  padding-block: var(--space-lg) calc(var(--space-lg) + 3.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

footer.site .brand {
  font-size: 0.92rem;
}

footer.site .brand .mark {
  width: 1.9rem;
  height: 1.9rem;
}