/* Shared UI primitives used across pages and sections. */

/* Icons */
.icon {
  flex: none;
  transition: transform var(--dur) var(--ease-out);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.875rem;
  padding: 0 1.375rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out);
}

.btn:hover .icon {
  transform: translateX(3px);
}

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

.btn--primary {
  color: #fff;
  background: var(--gradient-button);
  box-shadow:
    inset 0 0 0 1px rgb(255 255 255 / 0.1),
    inset 0 1px 0 rgb(255 255 255 / 0.18),
    0 10px 30px -10px rgb(59 130 246 / 0.65);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow:
    inset 0 0 0 1px rgb(255 255 255 / 0.16),
    inset 0 1px 0 rgb(255 255 255 / 0.22),
    0 16px 40px -12px rgb(124 58 237 / 0.75);
}

.btn--secondary {
  color: var(--text);
  background: rgb(255 255 255 / 0.06);
  border-color: var(--border-strong);
}

.btn--secondary:hover {
  background: rgb(255 255 255 / 0.1);
}

.btn--ghost {
  color: var(--text);
  background: transparent;
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: rgb(148 163 184 / 0.5);
  background: rgb(255 255 255 / 0.04);
}

.btn--light {
  color: var(--bg);
  background: #fff;
}

.btn--light:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 36px -12px rgb(255 255 255 / 0.4);
}

.btn--sm {
  height: 2.375rem;
  padding: 0 1rem;
  font-size: var(--fs-sm);
}

.btn--lg {
  height: 3.25rem;
  padding: 0 1.75rem;
  font-size: 1rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Cards */
.card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgb(19 28 49 / 0.72), rgb(13 20 36 / 0.72));
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}

.card h3 {
  font-size: var(--fs-h4);
}

.card p {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* Interactive cards: a cursor spotlight plus a gradient border on hover. */
.card--interactive::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgb(96 165 250 / 0.14), transparent 45%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}

.card--interactive::after {
  content: "";
  position: absolute;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}

.card--interactive:hover,
.card--interactive:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), 0 30px 60px -30px rgb(59 130 246 / 0.45);
}

.card--interactive:hover::before,
.card--interactive:focus-within::before {
  opacity: 1;
}

.card--interactive:hover::after,
.card--interactive:focus-within::after {
  opacity: 0.8;
}

.card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: auto;
  padding-top: 0.5rem;
  color: var(--blue-soft);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.card--interactive:hover .card__more .icon {
  transform: translateX(4px);
}

/* Makes a whole card clickable through its heading link. */
.stretched-link {
  color: inherit;
  text-decoration: none;
}

.stretched-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.stretched-link:focus-visible {
  outline: none;
}

.stretched-link:focus-visible::after {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* Accent colors for icon tiles and highlights */
.accent-cyan { --accent: var(--cyan); }
.accent-blue { --accent: var(--blue-soft); }
.accent-violet { --accent: var(--violet-soft); }
.accent-green { --accent: var(--success); }

.icon-tile {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  color: var(--accent, var(--blue-soft));
  background:
    radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--accent, var(--blue)) 24%, transparent), transparent 70%),
    rgb(255 255 255 / 0.03);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 0.07),
    0 10px 30px -14px var(--accent, var(--blue));
}

.icon-tile--sm {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
}

.icon-tile--lg {
  width: 4rem;
  height: 4rem;
  border-radius: 18px;
}

/* Chips and pills */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: rgb(255 255 255 / 0.03);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur), border-color var(--dur), background-color var(--dur);
}

a.chip:hover {
  color: var(--text);
  border-color: rgb(96 165 250 / 0.5);
}

.chip[aria-current="true"] {
  color: #fff;
  border-color: rgb(96 165 250 / 0.6);
  background: rgb(59 130 246 / 0.18);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

/* Lists */
.check-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

.check-list li::before {
  content: "";
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.05rem;
  border-radius: 50%;
  background: rgb(52 211 153 / 0.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334d399' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* Section headings */
.section-heading {
  display: grid;
  gap: 1rem;
  max-width: 760px;
  margin-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem);
}

.section-heading--center {
  justify-items: center;
  margin-inline: auto;
  text-align: center;
}

.section-heading--center .eyebrow::after {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

/* Breadcrumbs */
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  color: var(--text-subtle);
  font-size: var(--fs-sm);
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--border-strong);
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--text);
}

/* Long-form text (legal pages) */
.prose {
  max-width: 72ch;
  color: var(--text-muted);
}

.prose h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: var(--fs-h3);
}

.prose p,
.prose ul {
  margin-bottom: 1rem;
}

.prose ul {
  padding-left: 1.25rem;
}

.prose a {
  color: var(--blue-soft);
}

.notice {
  padding: 1rem 1.25rem;
  border: 1px solid rgb(251 191 36 / 0.35);
  border-radius: var(--radius);
  background: rgb(251 191 36 / 0.08);
  color: #fde68a;
  font-size: var(--fs-sm);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.field {
  display: grid;
  align-content: start;
  gap: 0.5rem;
}

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

.field label {
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.field .req {
  color: var(--cyan-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background-color: rgb(7 11 20 / 0.6);
  color: var(--text);
  transition: border-color var(--dur), box-shadow var(--dur);
}

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

.field select {
  appearance: none;
  padding-right: 2.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-position: right 1rem center;
  background-repeat: no-repeat;
  background-size: 16px;
}

.field option,
.field optgroup {
  background: var(--surface);
  color: var(--text);
}

.field ::placeholder {
  color: var(--text-subtle);
}

.field :is(input, select, textarea):hover {
  border-color: rgb(148 163 184 / 0.42);
}

.field :is(input, select, textarea):focus {
  outline: none;
  border-color: var(--blue-soft);
  box-shadow: 0 0 0 4px rgb(59 130 246 / 0.2);
}

.field .invalid {
  border-color: var(--danger);
}

.validation-message {
  color: var(--danger);
  font-size: var(--fs-sm);
}

/* Honeypot field: hidden from people, visible to naive bots. */
.field--hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-alert {
  padding: 0.875rem 1rem;
  border: 1px solid rgb(248 113 113 / 0.35);
  border-radius: var(--radius);
  background: rgb(248 113 113 / 0.1);
  color: #fecaca;
  font-size: var(--fs-sm);
}

.form-note {
  color: var(--text-subtle);
  font-size: var(--fs-xs);
}

.form-note a {
  color: var(--text-muted);
}

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

/* Development-only reminder that sample content is still in place. */
.placeholder-notice {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: calc(100% - 2rem);
  padding: 0.5rem 0.875rem;
  border: 1px solid rgb(251 191 36 / 0.4);
  border-radius: var(--radius-pill);
  background: rgb(36 28 8 / 0.88);
  color: #fde68a;
  font-size: var(--fs-xs);
  backdrop-filter: blur(10px);
}

/* Small uppercase label inside cards */
.card__label {
  color: var(--text-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Compact link cards for "other services" and related work lists */
.link-card {
  flex-direction: row;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
}

.link-card h3 {
  font-size: var(--fs-base);
}

.link-card p {
  font-size: var(--fs-xs);
}

/* Client logo tiles */
.client-tiles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  list-style: none;
}

.client-tiles > li {
  display: flex;
  flex: 0 1 auto;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 13rem);
  min-height: 5.5rem;
  padding: 1rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 0.02);
  transition: border-color var(--dur), background-color var(--dur);
}

.client-tiles > li:hover {
  border-color: var(--border-strong);
  background: rgb(255 255 255 / 0.04);
}

/* Two equal columns on wide screens */
.split {
  display: grid;
  gap: clamp(1rem, 0.75rem + 1vw, 1.5rem);
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Filter chips for lists (clients, work) */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filters .chip {
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
}

.filters__empty {
  margin-bottom: 2rem;
  color: var(--text-muted);
  text-align: center;
}

.filters__empty a {
  color: var(--blue-soft);
}

/* FAQ accordion (native details/summary, works without JavaScript) */
.faq {
  display: grid;
  gap: 0.75rem;
}

.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 0.02);
  transition: border-color var(--dur), background-color var(--dur);
}

.faq__item[open] {
  border-color: rgb(96 165 250 / 0.4);
  background: rgb(59 130 246 / 0.05);
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary .icon {
  color: var(--text-muted);
}

.faq__item[open] summary .icon {
  transform: rotate(180deg);
}

.faq__item p {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
}