/* Sir Grout Jupiter — review invite landing page (Sprint #237).
   Mobile-first, vanilla CSS, no framework. Brand color is teal-600
   (Tailwind), tropical Florida theme. Pending reconfirmation when
   Brandfolder corporate is accessible via Lynne. */

:root {
  --c-brand: #0d9488;
  --c-brand-strong: #0f766e;
  --c-brand-soft: #ccfbf1;
  --c-star-on: #f5b400;
  --c-star-off: #e4e4e7;
  --c-text: #1f2937;
  --c-text-soft: #4b5563;
  --c-text-muted: #6b7280;
  --c-bg: #fafaf9;
  --c-card: #ffffff;
  --c-border: #e5e7eb;
  --c-error: #b91c1c;
  --c-error-bg: #fef2f2;
  --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06),
              0 4px 16px rgba(15, 23, 42, 0.05);
  --shadow-2: 0 8px 32px rgba(13, 148, 136, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --tap-target: 56px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
}

main.card {
  width: 100%;
  max-width: 480px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-1);
  text-align: center;
}

.card__head {
  margin-bottom: var(--space-5);
}

.company-line {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-brand);
  margin: 0 0 var(--space-3);
}

.card__title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  color: var(--c-text);
}

.card__sub {
  font-size: 16px;
  color: var(--c-text-soft);
  margin: 0;
}

/* ------------------------------------------------------------- stars */

.stars {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-5) 0 var(--space-4);
}

.star {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 6px;
  width: var(--tap-target);
  height: var(--tap-target);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform 80ms ease-out, background-color 120ms;
  -webkit-tap-highlight-color: transparent;
}

.star svg {
  width: 100%;
  height: 100%;
  fill: var(--c-star-off);
  transition: fill 120ms ease-out;
}

.star:hover svg,
.star:focus-visible svg,
.star.is-armed svg,
.star.is-on svg {
  fill: var(--c-star-on);
}

.star:focus-visible {
  outline: none;
  background: var(--c-brand-soft);
}

.star:active {
  transform: scale(0.92);
}

.star[aria-checked="true"] svg {
  fill: var(--c-star-on);
}

/* ------------------------------------------------------------- hint */

.hint {
  margin-top: var(--space-4);
  font-size: 14px;
  color: var(--c-text-muted);
}

/* ------------------------------------------------------------- state */

.state {
  margin-top: var(--space-4);
  font-size: 14px;
  font-weight: 500;
}

.state--loading,
.state--submitting {
  color: var(--c-text-muted);
}

.state--error {
  color: var(--c-error);
  background: var(--c-error-bg);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  text-align: left;
}

/* ------------------------------------------------------------- form */

#feedback-form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}

.field__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
}

textarea {
  width: 100%;
  font: inherit;
  color: inherit;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  resize: vertical;
  min-height: 140px;
  transition: border-color 120ms, box-shadow 120ms;
}

textarea:focus {
  outline: none;
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-soft);
}

.field__counter {
  align-self: flex-end;
  font-size: 12px;
  color: var(--c-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  padding: 0 var(--space-5);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 120ms, transform 80ms;
  -webkit-tap-highlight-color: transparent;
}

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

.btn--primary {
  background: var(--c-brand);
  color: white;
  box-shadow: var(--shadow-2);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--c-brand-strong);
  outline: none;
}

.btn[disabled] {
  opacity: 0.5;
  cursor: progress;
}

/* ------------------------------------------------------------- success */

.success {
  text-align: center;
}

.success h2 {
  font-size: 22px;
  margin: 0 0 var(--space-3);
  color: var(--c-text);
}

/* ------------------------------------------------------------- thanks */

.card--thanks {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.thanks__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: var(--c-brand-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.thanks__icon svg {
  width: 40px;
  height: 40px;
  fill: var(--c-star-on);
}

/* ------------------------------------------------------------- footer */

.footer {
  margin-top: var(--space-5);
  font-size: 13px;
  color: var(--c-text-muted);
  text-align: center;
}

.footer a {
  color: var(--c-text-muted);
}

/* ------------------------------------------------------------- a11y */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #0e0a17;
    --c-card: #15102a;
    --c-text: #f5f3fa;
    --c-text-soft: #cfc7e0;
    --c-text-muted: #968ba8;
    --c-border: #1f3a36;
    --c-brand: #2dd4bf;
    --c-brand-strong: #5eead4;
    --c-brand-soft: #134e4a;
    --c-error-bg: #3a1414;
    --c-star-off: #3a3550;
  }
}