/* =========================================================
   SYNVERIQ — Components
   ========================================================= */

/* ---- Wordmark --------------------------------------------------- */

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--color-ink-strong);
}

.section--inverse .wordmark { color: var(--color-inverse-text); }

.wordmark__mark {
  color: var(--color-accent);
  font-style: italic;
  font-weight: 900;
}

.wordmark__dot {
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
  transform: translateY(-1.1em);
}

/* ---- Site header -------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 241, 234, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--border-thin);
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
  gap: var(--space-md);
}

.site-header__brand {
  display: flex;
  align-items: center;
}

.site-nav {
  display: none;
}

@media (min-width: 62rem) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-nav__link {
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-block: var(--space-3xs);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-fast) var(--ease-system);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-ink-strong);
  font-weight: 600;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* language switcher */

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  border: var(--border-thin);
  padding: 3px;
}

.lang-switch a {
  padding: 4px 8px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.lang-switch a[aria-current="true"] {
  background: var(--color-ink-strong);
  color: var(--color-inverse-text);
}

/* buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85em 1.4em;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-system),
              color var(--duration-fast) var(--ease-system),
              border-color var(--duration-fast) var(--ease-system),
              transform var(--duration-fast) var(--ease-system);
}

.btn--primary {
  background: var(--color-ink-strong);
  color: var(--color-inverse-text);
}

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

.btn--ghost {
  border-color: var(--color-border-strong);
  color: var(--color-ink-strong);
}

.btn--ghost:hover {
  border-color: var(--color-ink-strong);
  background: var(--color-surface);
}

.btn--on-dark {
  background: var(--color-accent);
  color: var(--color-inverse-text);
}
.btn--on-dark:hover {
  background: var(--color-inverse-text);
  color: var(--color-inverse-bg);
}

.btn--sm {
  padding: 0.6em 1.1em;
  font-size: var(--text-xs);
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink-strong);
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 2px;
}

.text-link:hover {
  border-color: var(--color-accent-strong);
  color: var(--color-accent-strong);
}

.text-link__arrow {
  transition: transform var(--duration-fast) var(--ease-system);
}
.text-link:hover .text-link__arrow {
  transform: translateX(3px);
}

.site-header__actions .btn--ghost {
  display: none;
}

@media (min-width: 62rem) {
  .site-header__actions .btn--ghost {
    display: inline-flex;
  }
}

.nav-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-strong);
  padding: var(--space-2xs);
}

@media (min-width: 62rem) {
  .nav-toggle { display: none; }
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.nav-toggle__bars span {
  height: 1px;
  background: currentColor;
  display: block;
  transition: transform var(--duration-fast) var(--ease-system), opacity var(--duration-fast) var(--ease-system);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* mobile menu overlay */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-inverse-bg);
  color: var(--color-inverse-text);
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) var(--section-pad-x) var(--space-xl);
  transform: translateY(-100%);
  transition: transform var(--duration-base) var(--ease-system);
  visibility: hidden;
}

.mobile-menu.is-open {
  transform: translateY(0);
  visibility: visible;
}

@media (min-width: 62rem) {
  .mobile-menu { display: none; }
}

.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.mobile-menu__close {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-inverse-text);
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}

.mobile-menu__list {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
}

.mobile-menu__item {
  border-top: 1px solid var(--color-inverse-border);
}
.mobile-menu__item:last-child {
  border-bottom: 1px solid var(--color-inverse-border);
}

.mobile-menu__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-inverse-text);
}

.mobile-menu__link small {
  font-family: var(--font-mono);
  color: var(--color-inverse-text-muted);
  font-size: var(--text-xs);
}

.mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.mobile-menu .lang-switch {
  border-color: var(--color-inverse-border);
}
.mobile-menu .lang-switch a {
  color: var(--color-inverse-text-muted);
}
.mobile-menu .lang-switch a[aria-current="true"] {
  background: var(--color-accent);
  color: var(--color-inverse-text);
}

/* ---- Capability / process / service index list pattern ---------- */

.index-list {
  border-top: var(--border-thin);
}

.index-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: baseline;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: var(--border-thin);
  transition: background var(--duration-fast) var(--ease-system);
}

.index-row__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.index-row__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
}

.index-row__meta {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  justify-self: end;
  text-align: right;
}

@media (max-width: 36rem) {
  .index-row {
    grid-template-columns: 2.5rem 1fr;
  }
  .index-row__meta {
    grid-column: 2 / -1;
    justify-self: start;
    text-align: left;
  }
}

/* ---- Service index (interactive, homepage) ------------------------ */

.service-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--border-thin);
}

@media (min-width: 62rem) {
  .service-index {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-2xl);
  }
}

.service-index__list {
  border-bottom: var(--border-thin);
}

@media (min-width: 62rem) {
  .service-index__list { border-bottom: none; }
}

.service-index__item {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: 2.75rem 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: var(--border-thin);
  color: var(--color-text-muted);
}

.service-index__item:hover,
.service-index__item:focus-visible,
.service-index__item[aria-expanded="true"] {
  color: var(--color-ink-strong);
}

.service-index__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.service-index__item[aria-expanded="true"] .service-index__num,
.service-index__item:hover .service-index__num {
  color: var(--color-accent-strong);
}

.service-index__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: inherit;
}

.service-index__plus {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  color: var(--color-text-faint);
  transition: transform var(--duration-fast) var(--ease-system);
}

.service-index__item[aria-expanded="true"] .service-index__plus {
  transform: rotate(45deg);
  color: var(--color-accent-strong);
}

.service-index__panels {
  position: relative;
  padding-block: var(--space-md);
}

@media (min-width: 62rem) {
  .service-index__panels {
    position: sticky;
    top: 6.5rem;
    align-self: start;
    padding-block: 0;
  }
}

.service-index__panel {
  display: none;
}

.service-index__panel.is-active {
  display: block;
}

.service-index__panel-tag {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-strong);
  display: block;
  margin-bottom: var(--space-xs);
}

.service-index__panel p {
  color: var(--color-text-muted);
}

.service-index__panel-outcome {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: var(--border-thin);
  font-size: var(--text-sm);
}

.service-index__panel-outcome strong {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3xs);
  font-weight: 500;
}

/* ---- Capability strip -------------------------------------------- */

.capability-strip {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--border-thin);
  border-left: var(--border-thin);
}

@media (min-width: 48rem) {
  .capability-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.capability-strip__item {
  border-right: var(--border-thin);
  border-bottom: var(--border-thin);
  padding: var(--space-lg) var(--space-md);
  position: relative;
}

.capability-strip__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--color-text-faint);
  display: block;
  margin-bottom: var(--space-md);
}

.capability-strip__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  margin-bottom: var(--space-2xs);
}

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

/* ---- Problem / solution composition -------------------------------- */

.shift-list {
  display: grid;
  gap: var(--space-sm);
}

.shift-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-bottom: var(--border-thin);
}

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

.shift-row__after {
  color: var(--color-ink-strong);
  font-weight: 500;
  font-size: var(--text-sm);
}

.shift-row__arrow {
  font-family: var(--font-mono);
  color: var(--color-accent-strong);
  font-size: var(--text-sm);
}

@media (max-width: 42rem) {
  .shift-row {
    grid-template-columns: 1fr;
    gap: var(--space-2xs);
    text-align: left;
  }
  .shift-row__arrow { display: none; }
  .shift-row__after::before {
    content: "→ ";
    color: var(--color-accent-strong);
    font-family: var(--font-mono);
  }
}

/* ---- Process sequence ------------------------------------------------ */

.process-seq {
  display: grid;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: var(--border-thin);
  position: relative;
}

.process-seq > .process-step:last-child {
  border-bottom: var(--border-thin);
}

.process-step__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent-strong);
}

.process-step__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xs);
}

.process-step__body {
  color: var(--color-text-muted);
  max-width: 52ch;
}

.process-step__outputs {
  margin-top: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.process-step__output-tag {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  border: var(--border-thin);
  padding: 3px 8px;
  color: var(--color-text-muted);
}

@media (min-width: 48rem) {
  .process-step {
    grid-template-columns: 6rem 1fr 1fr;
  }
}

/* ---- Founder section ------------------------------------------------ */

.founder {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 56rem) {
  .founder {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    gap: var(--space-2xl);
  }
}

.founder__mark {
  aspect-ratio: 4 / 5;
  background: var(--color-ink-strong);
  color: var(--color-inverse-text);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.founder__initials {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(4rem, 3rem + 6vw, 7rem);
  color: var(--color-accent-strong);
}

.founder__mark-caption {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  right: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--color-inverse-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.founder__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: 2px;
}

.founder__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: var(--space-md);
}

/* ---- CTA band ------------------------------------------------------- */

.cta-band {
  display: grid;
  gap: var(--space-lg);
  align-items: end;
}

@media (min-width: 56rem) {
  .cta-band {
    grid-template-columns: 1.4fr auto;
  }
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

/* ---- Cards (used sparingly: solutions grid) --------------------------- */

.solution-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--border-thin);
  border-left: var(--border-thin);
}

@media (min-width: 40rem) {
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 72rem) {
  .solution-grid { grid-template-columns: repeat(4, 1fr); }
}

.solution-card {
  border-right: var(--border-thin);
  border-bottom: var(--border-thin);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-height: 15rem;
}

.solution-card:nth-child(4n+2),
.solution-card:nth-child(4n+4) {
  background: var(--color-background-raised);
}

.solution-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.solution-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
}

.solution-card__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: auto;
}

/* ---- Section intro pattern ------------------------------------------- */

.section-intro {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 56rem) {
  .section-intro--split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }
}

.section-intro__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-sm);
  display: block;
}

/* ---- Footer ----------------------------------------------------------- */

.site-footer {
  background: var(--color-inverse-bg);
  color: var(--color-inverse-text);
}

.site-footer a {
  color: var(--color-inverse-text-muted);
}
.site-footer a:hover {
  color: var(--color-inverse-text);
}

.footer-top {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-2xl) var(--space-xl);
  border-bottom: 1px solid var(--color-inverse-border);
}

@media (min-width: 56rem) {
  .footer-top {
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  }
}

.footer-brand p {
  color: var(--color-inverse-text-muted);
  margin-top: var(--space-sm);
  max-width: 34ch;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-inverse-text-muted);
  margin-bottom: var(--space-sm);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-col__list a {
  font-size: var(--text-sm);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
  font-size: var(--text-2xs);
  color: var(--color-inverse-text-muted);
}

.footer-bottom__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ---- Forms -------------------------------------------------------------- */

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 44rem) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .field--full { grid-column: 1 / -1; }
}

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

.field label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.field .required-mark {
  color: var(--color-accent-strong);
}

.field input,
.field select,
.field textarea {
  background: var(--color-surface);
  border: var(--border-thin-strong);
  padding: 0.85em 1em;
  font-size: var(--text-sm);
  color: var(--color-ink-strong);
  border-radius: var(--radius-sm);
}

.field textarea {
  min-height: 9rem;
  resize: vertical;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  border-color: var(--color-accent-strong);
}

.field-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: none;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--color-error);
}

.field.has-error .field-error {
  display: block;
}

.field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-xs);
}

.field--checkbox input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 2px;
  accent-color: var(--color-accent-strong);
  flex-shrink: 0;
}

.field--checkbox label {
  text-transform: none;
  font-family: var(--font-body);
  letter-spacing: normal;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: var(--border-thin);
  font-size: var(--text-sm);
  display: none;
}

.form-status[data-state="success"] {
  display: block;
  border-color: var(--color-success);
  background: var(--color-accent-secondary-soft);
}

.form-status[data-state="error"] {
  display: block;
  border-color: var(--color-error);
  background: #F7DEDC;
}

.form-status[data-state="config"] {
  display: block;
  border-color: var(--color-border-strong);
  background: var(--color-background-raised);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.form-submit-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-inverse-text-muted);
  border-top-color: var(--color-inverse-text);
  border-radius: 50%;
  display: none;
  animation: spin 700ms linear infinite;
}

.btn[data-loading="true"] .spinner {
  display: inline-block;
}

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

/* ---- Legal content ------------------------------------------------------- */

.legal-content h2 {
  font-size: var(--text-lg);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  max-width: 68ch;
}
.legal-content ul { padding-left: 1.2rem; }
.legal-content li { list-style: disc; }

.placeholder-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  border: 1px dashed var(--color-border-strong);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-muted);
  margin-block: var(--space-md);
}

/* ---- Breadcrumb / page header pattern ------------------------------------- */

.page-header {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: var(--border-thin);
}

.page-header__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-strong);
  display: block;
  margin-bottom: var(--space-sm);
}

.page-header__title {
  font-size: var(--text-3xl);
  max-width: 20ch;
}

.page-header__lede {
  margin-top: var(--space-md);
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 50ch;
}