/* ═══════════════════════════════════════════════════════════════════
   SpeakLab — components.css
   Reusable UI components: nav, buttons, cards, form, badges
   ═══════════════════════════════════════════════════════════════════ */

/* ── Navigation ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(14, 11, 7, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--c-border);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--sp-8);
  gap: var(--sp-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--c-text);
  line-height: 1;
}

.nav__logo-accent { color: var(--c-secondary); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(var(--sp-4), 2.5vw, var(--sp-8));
  list-style: none;
  flex-shrink: 1;
  min-width: 0;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-nav-link);
  font-weight: var(--weight-label);
  color: var(--c-off);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: color var(--t-fast);
  white-space: nowrap;
}

.nav__links a:hover,
.nav__links a:focus-visible { color: var(--c-secondary); }

.nav__cta { flex-shrink: 0; }

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

/* ── Responsive nav ─────────────────────────────────────────────── */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__cta   { display: none; }
  .nav__burger { display: flex; }
}

/* Landscape phones: restore full desktop nav */
@media (min-width: 600px) and (max-width: 960px) and (orientation: landscape) {
  .nav__links { display: flex; }
  .nav__cta   { display: flex; }
  .nav__burger { display: none; }
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform var(--t-base) var(--ease-out),
              opacity var(--t-fast);
}

/* X animation: bars are 5px apart → offset = 5px + 2px/2 = 7px */
.nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Drawer */
.nav__drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--c-nav-bg);
  padding: calc(var(--nav-h) + var(--sp-10)) var(--sp-8) var(--sp-10);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  overflow-y: auto;
}

.nav__drawer.is-open { display: flex; }

.nav__drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 360px;
}

.nav__drawer-links li {
  width: 100%;
  border-bottom: 1px solid var(--c-border);
}
.nav__drawer-links li:first-child {
  border-top: 1px solid var(--c-border);
}

.nav__drawer-links a {
  display: block;
  padding: var(--sp-5) 0;
  font-family: var(--font-display);
  font-size: var(--text-lead);
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--c-text);
  text-decoration: none;
  text-align: center;
  transition: color var(--t-fast);
}

.nav__drawer-links a:hover,
.nav__drawer-links a:focus-visible { color: var(--c-secondary); }

/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition:
    background var(--t-fast) var(--ease-out),
    color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out),
    opacity var(--t-fast) var(--ease-out),
    transform var(--t-fast);
}

.btn:focus-visible {
  outline: 3px solid var(--c-secondary);
  outline-offset: 2px;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--c-surface-2);
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn--primary:hover {
  background: var(--c-surface);
  border-color: var(--c-secondary);
  color: var(--c-secondary);
}

.btn--secondary {
  background: var(--c-secondary);
  color: var(--c-primary);
  border-color: var(--c-secondary);
}
.btn--secondary:hover {
  opacity: 0.88;
}

.btn--ghost {
  background: transparent;
  color: var(--c-off);
  border-color: var(--c-border-strong);
}
.btn--ghost:hover {
  color: var(--c-secondary);
  border-color: var(--c-secondary);
  background: rgba(255, 140, 0, 0.06);
}

/* ── Section tag / badge ────────────────────────────────────────── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-heading);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-secondary);
  margin-bottom: var(--sp-4);
}
.section-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-secondary);
  flex-shrink: 0;
}
.section-tag--light { color: var(--c-secondary); }
.section-tag--light::before { background: var(--c-secondary); }

/* ── Decorative visual (replaces images in split layouts) ───────── */
.split-image-wrap--decorative {
  background: linear-gradient(135deg,
      rgba(255, 140, 0, 0.12) 0%,
      rgba(255, 140, 0, 0.02) 55%,
      rgba(23, 18, 16, 0) 100%);
  border: 1px solid var(--c-border);
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.split-image-wrap--decorative::before {
  content: '';
  position: absolute;
  inset: auto -20% -30% auto;
  width: 420px;
  height: 420px;
  border: 2px solid var(--c-secondary);
  border-radius: 50%;
  opacity: 0.18;
  pointer-events: none;
}

.split-image-wrap--decorative::after {
  content: '';
  position: absolute;
  inset: -15% auto auto -10%;
  width: 220px;
  height: 220px;
  border: 1px solid var(--c-secondary);
  border-radius: 50%;
  opacity: 0.10;
  pointer-events: none;
}

.decorative-frame {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--sp-8);
}

.decorative-glyph {
  display: block;
  font-size: clamp(4rem, 9vw, 7rem);
  color: var(--c-secondary);
  line-height: 1;
  margin-bottom: var(--sp-6);
}

.decorative-caption {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-heading);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* ── Course card ─────────────────────────────────────────────────── */
.course-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: var(--sp-8);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: box-shadow var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
}

.course-card:hover {
  border-color: var(--c-secondary);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
}

.course-card--featured {
  border-color: var(--c-secondary);
  background: linear-gradient(180deg, rgba(255, 140, 0, 0.05) 0%, var(--c-surface) 45%);
}

.course-card__tag {
  font-family: var(--font-display);
  font-size: var(--text-micro);
  font-weight: var(--weight-heading);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--sp-1);
}

.course-card__tag--accent  { color: var(--c-secondary); }
.course-card__tag--neutral { color: var(--c-muted); }
.course-card__tag--success { color: var(--c-success); }

.course-card__title {
  font-family: var(--font-display);
  font-size: var(--text-subtitle);
  font-weight: var(--weight-display);
  line-height: var(--leading-tight);
  color: var(--c-text);
  text-transform: uppercase;
}

.course-card__body {
  font-size: var(--text-small);
  line-height: var(--leading-loose);
  color: var(--c-off);
}

.course-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin: var(--sp-2) 0;
  flex: 1;
}

.course-card__features li {
  position: relative;
  padding-left: var(--sp-5);
  font-size: var(--text-small);
  color: var(--c-off);
  line-height: var(--leading-snug);
}

.course-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-secondary);
}

.course-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-border);
  margin-top: var(--sp-2);
  flex-wrap: wrap;
}

.course-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
}

.course-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-subtitle);
  font-weight: var(--weight-display);
  color: var(--c-text);
  line-height: 1;
}

.course-card__period {
  font-size: var(--text-small);
  color: var(--c-muted);
}

/* ── Principle item ─────────────────────────────────────────────── */
.principle-item {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.principle-item__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  color: var(--c-secondary);
  font-size: var(--text-lead);
}

.principle-item__title {
  font-family: var(--font-display);
  font-size: var(--text-body);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: var(--sp-1);
}

.principle-item__body {
  font-size: var(--text-small);
  color: var(--c-off);
  line-height: var(--leading-loose);
}

/* ── Stat item ──────────────────────────────────────────────────── */
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
  border-right: 1px solid var(--c-border);
}

.stat-item:last-child { border-right: none; }

.stat-item__value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: var(--weight-display);
  color: var(--c-secondary);
  line-height: 1;
}

.stat-item__label {
  font-family: var(--font-display);
  font-size: var(--text-micro);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-muted);
}

/* ── Form ───────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.form-grid--full { grid-column: 1 / -1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-width: 0;
}

.form-label {
  font-family: var(--font-display);
  font-size: var(--text-micro);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-off);
}

.form-label span { color: var(--c-secondary); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  background: var(--c-surface-2);
  color: var(--c-text);
  font-size: var(--text-body);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--c-muted); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-secondary);
  box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.15);
}

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--c-secondary);
}

.form-textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-size: var(--text-micro);
  color: var(--c-secondary);
  font-weight: var(--weight-label);
}

/* Honeypot */
.form-group--honey { display: none; }

/* ── Custom select ──────────────────────────────────────────────── */
.custom-select {
  position: relative;
  width: 100%;
}

.custom-select__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  width: 100%;
  min-height: 44px;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  background: var(--c-surface-2);
  color: var(--c-text);
  font-size: var(--text-body);
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.custom-select__trigger:focus-visible {
  outline: 3px solid var(--c-secondary);
  outline-offset: 2px;
}

.custom-select__trigger[aria-expanded="true"] {
  border-color: var(--c-secondary);
  box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.15);
}

.custom-select__trigger[aria-invalid="true"] {
  border-color: var(--c-secondary);
}

.custom-select__value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-select__value.is-placeholder { color: var(--c-muted); }

.custom-select__arrow {
  flex-shrink: 0;
  color: var(--c-muted);
  transition: transform var(--t-fast) var(--ease-out);
  display: flex;
  align-items: center;
}

.custom-select__trigger[aria-expanded="true"] .custom-select__arrow {
  transform: rotate(180deg);
}

.custom-select__listbox {
  display: none;
  position: absolute;
  top: calc(100% + var(--sp-1));
  left: 0;
  right: 0;
  z-index: 200;
  list-style: none;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  background: var(--c-surface-2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  max-height: 260px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.custom-select__listbox.is-open { display: block; }

.custom-select__option {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-body);
  color: var(--c-off);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  outline: none;
  border-bottom: 1px solid var(--c-border);
}

.custom-select__option:last-child { border-bottom: none; }

.custom-select__option:hover,
.custom-select__option:focus {
  background: rgba(255, 140, 0, 0.08);
  color: var(--c-text);
}

.custom-select__option.is-selected {
  background: rgba(255, 140, 0, 0.12);
  color: var(--c-secondary);
  font-weight: var(--weight-label);
}

.custom-select__option--placeholder { color: var(--c-muted); }

.form-success {
  text-align: center;
  padding: var(--sp-12);
}

.form-success__icon {
  font-size: var(--text-subtitle);
  color: var(--c-secondary);
  margin-bottom: var(--sp-4);
}

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ── Footer ─────────────────────────────────────────────────────── */
.footer {
  background: var(--c-primary);
  color: var(--c-muted);
  padding: var(--sp-20) 0 var(--sp-6);
  border-top: 1px solid var(--c-border);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--sp-16);
  padding-bottom: var(--sp-16);
}

.footer__brand { max-width: 280px; }

.footer__tagline {
  font-size: var(--text-small);
  color: var(--c-muted);
  line-height: var(--leading-loose);
  margin-top: var(--sp-4);
}

.footer__nav {
  display: flex;
  gap: var(--sp-16);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.footer__nav-title {
  font-family: var(--font-display);
  font-size: var(--text-micro);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: var(--sp-4);
}

.footer__nav-group ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__nav-group a {
  font-size: var(--text-small);
  color: var(--c-muted);
  transition: color var(--t-fast);
}

.footer__nav-group a:hover,
.footer__nav-group a:focus-visible { color: var(--c-secondary); }

.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding-top: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer__copy {
  font-size: var(--text-micro);
  color: var(--c-muted);
}

.footer__social {
  display: flex;
  gap: var(--sp-5);
  align-items: center;
}

.footer__social a {
  font-size: var(--text-small);
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.footer__social a:hover,
.footer__social a:focus-visible { color: var(--c-secondary); }

@media (max-width: 900px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }

  .footer__nav { justify-content: flex-start; gap: var(--sp-10); }
}

@media (max-width: 560px) {
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__brand  { max-width: 100%; }
}