/* ==========================================================================
   Components — nav, footer, cards, buttons, forms
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background-color 0.15s ease,
    transform 0.1s ease;
  background: transparent;
}

.btn:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.btn--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #041210;
}

.btn--accent:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent-dim);
}

.btn--ghost {
  color: var(--color-text);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

/* Site header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0px;
}

.nav__logo img {
  height: 48px;
  width: auto;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 32px;
  font-size: var(--text-sm);
  font-weight: 500;
}

.nav__links a:not(.btn):hover {
  color: var(--color-accent);
}

.nav__toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
  .nav__toggle {
    display: none;
  }
}

.nav__links.is-open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 8px 24px 24px;
}

.nav__links.is-open li {
  width: 100%;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.nav__links.is-open li:last-child {
  border-bottom: none;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 64px 0 24px;
}

.footer__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.footer__brand img {
  height: 36px;
  margin-bottom: 12px;
}
.footer__brand p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: var(--text-sm);
}

.footer__nav a:hover,
.footer__social a:hover {
  color: var(--color-accent);
}

.footer__social {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: var(--text-sm);
}

.footer__bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--color-accent);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: 12px;
}

.badge + .card__title,
.tag-row + .card__title {
  margin-top: 16px;
}

.card__body {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
}

.card--featured {
  padding: 40px;
}

.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: 1fr 1fr;
  }
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge--accent {
  color: var(--color-accent);
  border-color: var(--color-accent-dim);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* Forms */
.form {
  display: grid;
  gap: 20px;
  max-width: 560px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-muted);
}

.form__field input,
.form__field select,
.form__field textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--color-text);
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__field textarea {
  resize: vertical;
  min-height: 140px;
}

.form__status {
  font-size: var(--text-sm);
  margin-top: 8px;
}

.form__status--success {
  color: var(--color-accent);
}
.form__status--error {
  color: var(--color-danger);
}

.honeypot {
  display: none;
}

/* Table */
.table-simple {
  width: 100%;
  border-collapse: collapse;
  overflow-x: auto;
  display: block;
}

.table-simple th,
.table-simple td {
  padding: 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  font-size: var(--text-sm);
}

.table-simple th {
  background: var(--color-surface);
  font-family: var(--font-display);
}

/* FAQ / accordion */
.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-base);
  cursor: pointer;
}

.accordion__icon {
  color: var(--color-accent);
  font-size: var(--text-lg);
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  color: var(--color-muted);
  font-size: var(--text-sm);
  transition: max-height 0.25s ease;
}

.accordion__panel p {
  padding-bottom: 20px;
}

.accordion__item.is-open .accordion__panel {
  max-height: 400px;
}

/* Filter pills (portfolio) */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-pill {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: none;
  color: var(--color-muted);
  font-size: var(--text-sm);
  cursor: pointer;
}

.filter-pill.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Timeline */
.timeline {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  padding-bottom: 16px;
}

.timeline__item {
  flex: 0 0 160px;
  border-left: 2px solid var(--color-accent);
  padding-left: 16px;
}

.timeline__year {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: var(--text-sm);
}
.timeline__role {
  font-weight: 600;
  margin-top: 4px;
}
.timeline__detail {
  color: var(--color-muted);
  font-size: var(--text-xs);
  margin-top: 4px;
}