/*
 * =========================================================
 * OLYTIC SOLUTIONS - Working Sessions Page Styles
 * sessions.css  /  Route: /sessions
 *
 * A compact dark hero, then an elevated, full-width form:
 * a 3x3 grid of selectable session cards, contact details,
 * and submit. Posts to the same intake endpoint as /contact.
 * The on-site half-day is its own page now (/onsite).
 *
 * Requires: tokens.css, typography.css, buttons.css,
 *           nav.css, footer.css, layout.css
 * =========================================================
 */


/* ─────────────────────────────────────────────────────── */
/* SECTION 1: HERO                                         */
/* ─────────────────────────────────────────────────────── */

.ses-hero {
  background-color: var(--color-obsidian);
  color: #FFFFFF;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
}

.ses-hero__inner {
  max-width: 760px;
}

.ses-hero__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  margin-bottom: var(--space-4);
}

.ses-hero__headline {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: var(--weight-bold);
  color: #FFFFFF;
  line-height: 1.15;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-5);
}

.ses-hero__sub {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.78);
  line-height: var(--leading-body);
  margin: 0;
}

.ses-hero__sub a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 145, 73, 0.5);
}

.ses-hero__sub a:hover {
  border-bottom-color: var(--color-gold);
}

.ses-hero__rule {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gold);
  opacity: 0.55;
}


/* ─────────────────────────────────────────────────────── */
/* SECTION 2: SELECT + SUBMIT                              */
/* ─────────────────────────────────────────────────────── */

.ses-section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-24);
}

.ses-intro {
  max-width: 640px;
  margin-bottom: var(--space-10);
}

.ses-intro__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  margin-bottom: var(--space-3);
}

.ses-intro__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  margin-bottom: var(--space-2);
}

.ses-intro__sub {
  font-size: var(--text-md);
  color: var(--color-body-steel);
  line-height: var(--leading-body);
  margin: 0;
}


/* ─── Fieldset + legend ──────────────────────────────────── */

.ses-fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.ses-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: 0;
  margin-bottom: var(--space-6);
}

.ses-legend__label {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
}

.ses-legend__note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--color-muted);
}


/* ─── Session grid + cards ───────────────────────────────── */

.ses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.ses-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  padding-right: var(--space-10);
  background: #FFFFFF;
  border: var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.ses-card:hover {
  border-color: rgba(28, 127, 122, 0.4);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

/* The real checkbox stays in the DOM (focusable) but out of sight */
.ses-card__input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.ses-card__check {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(102, 112, 133, 0.45);
  background: transparent;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.ses-card__check svg {
  width: 14px;
  height: 14px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.ses-card__title {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  line-height: 1.3;
}

.ses-card__desc {
  font-size: var(--text-sm);
  color: var(--color-body-steel);
  line-height: var(--leading-body);
}

/* Checked state - teal, brand-forward */
.ses-card:has(.ses-card__input:checked) {
  border-color: var(--color-teal);
  background: rgba(28, 127, 122, 0.05);
  box-shadow: inset 0 0 0 1px var(--color-teal);
}

.ses-card:has(.ses-card__input:checked) .ses-card__check {
  background: var(--color-teal);
  border-color: var(--color-teal);
}

.ses-card:has(.ses-card__input:checked) .ses-card__check svg {
  opacity: 1;
}

.ses-card:has(.ses-card__input:focus-visible) {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.ses-card.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ses-card.is-disabled:hover {
  transform: none;
  box-shadow: var(--shadow-xs);
  border-color: var(--color-border, rgba(15, 23, 32, 0.1));
}


/* ─── Subtle cross-link to the on-site visit ─────────────── */

.ses-crosslink {
  max-width: 620px;
  margin: var(--space-8) auto 0;
  text-align: left;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.ses-crosslink a {
  color: var(--color-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(28, 127, 122, 0.35);
}

.ses-crosslink a:hover { border-bottom-color: var(--color-teal); }


/* ─── Contact details + submit: one considered panel ─────── */

.ses-panel {
  max-width: 620px;
  margin: var(--space-12) auto 0;
  padding: var(--space-8);
  background: #FFFFFF;
  border: var(--border-default);
  border-top: 3px solid var(--color-teal);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.ses-panel__lead {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
  margin: 0 0 var(--space-5);
}

.ses-pick-error {
  margin-top: var(--space-4);
  margin-bottom: 0;
}

#submitBtn {
  margin-top: var(--space-6);
}


/* ─────────────────────────────────────────────────────── */
/* FORM PRIMITIVES (mirrors contact.css .f-* language)      */
/* ─────────────────────────────────────────────────────── */

.f-row {
  margin-bottom: var(--space-4);
}

.f-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.f-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  margin-bottom: var(--space-2);
}

.f-label .req {
  color: var(--color-gold);
  margin-left: 2px;
}

.f-input {
  width: 100%;
  background: var(--color-surface);
  border: var(--border-default);
  color: var(--color-obsidian);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  outline: none;
  border-radius: var(--radius-sm);
  -webkit-appearance: none;
  appearance: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.f-input::placeholder {
  color: var(--color-muted);
  opacity: 0.6;
}

.f-input:focus {
  border-color: rgba(184, 145, 73, 0.55);
  box-shadow: 0 0 0 3px rgba(184, 145, 73, 0.10);
}

.f-input.error {
  border-color: var(--color-danger);
}

.f-error {
  font-size: 11px;
  color: var(--color-danger);
  margin-top: var(--space-1);
  display: none;
}

.f-error.visible {
  display: block;
}

.f-error-banner {
  display: none;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.20);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-danger);
  margin-bottom: var(--space-6);
  line-height: var(--leading-normal);
}

.f-error-banner.visible {
  display: block;
}

.f-error-banner a {
  color: inherit;
}

.f-submit {
  width: 100%;
  background: var(--color-teal);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  padding: var(--space-4);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition:
    opacity var(--transition-fast),
    background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.f-submit:hover:not(:disabled) {
  background: var(--color-obsidian);
}

.f-submit:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.f-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: f-spin 0.6s linear infinite;
  display: none;
}

@keyframes f-spin {
  to { transform: rotate(360deg); }
}

.f-submit.loading .f-submit__label { display: none; }
.f-submit.loading .f-spinner        { display: block; }

.f-success {
  display: none;
  text-align: center;
  padding: var(--space-10) 0;
  max-width: 560px;
  margin: 0 auto;
}

.f-success.visible {
  display: block;
}

.f-success__icon {
  width: 48px;
  height: 48px;
  background: rgba(28, 127, 122, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto var(--space-5);
}

.f-success__icon svg {
  color: var(--color-teal);
}

.f-success h2 {
  font-size: var(--text-xl);
  color: var(--color-obsidian);
  margin-bottom: var(--space-3);
  max-width: none;
}

.f-success p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-body);
  margin: 0;
}

.f-success a {
  color: var(--color-teal);
}


/* ─────────────────────────────────────────────────────── */
/* RESPONSIVE                                               */
/* ─────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .ses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .ses-grid {
    grid-template-columns: 1fr;
  }

  .ses-panel {
    padding: var(--space-6) var(--space-5);
  }

  /* 16px inputs so iOS Safari does not zoom on focus */
  .f-input {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .f-row-2 {
    grid-template-columns: 1fr;
  }
}