/* Reusable UI components shared across sections. */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-accent-strong);
  color: var(--color-text-on-accent);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--blue-800);
  box-shadow: var(--shadow-md);
}

:root[data-theme="dark"] .btn-primary:hover {
  background: var(--blue-600);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
}

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

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-block {
  width: 100%;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

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

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Theme toggle: only one of the two icons is shown at a time. */
.theme-icon-dark {
  display: none;
}

:root[data-theme="dark"] .theme-icon-light {
  display: none;
}

:root[data-theme="dark"] .theme-icon-dark {
  display: inline-flex;
}

/* ---- Card ---- */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
}

/* ---- Badge / pill ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ---- Logo / trusted-by tile ---- */
.logo-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.logo-tile:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.logo-tile img {
  max-height: 42px;
  width: auto;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: filter var(--transition-base), opacity var(--transition-base);
}

.logo-tile:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.logo-tile-text {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  text-align: center;
  line-height: var(--leading-snug);
}

/* ---- Stat tile ---- */
.stat-tile {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.stat-number {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  font-weight: 500;
}

/* ---- Icon frame (services / why-work-with-me) ---- */
.icon-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  margin-bottom: var(--space-5);
}

.icon-frame svg {
  width: 24px;
  height: 24px;
}

/* ---- Device mockup (hero + project placeholders) ---- */
.mockup-browser {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mockup-browser-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

.mockup-browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.mockup-browser-body {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.mockup-browser-body img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.mockup-phone {
  position: absolute;
  width: 34%;
  bottom: -8%;
  right: -6%;
  border-radius: 22px;
  border: 6px solid var(--color-bg-elevated);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mockup-phone-body {
  aspect-ratio: 9 / 18;
  overflow: hidden;
}

.mockup-phone-body img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.mockup-stage {
  position: relative;
}

/* Abstract placeholder UI used where no real screenshot exists yet */
.mockup-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: linear-gradient(160deg, var(--color-bg-subtle), var(--color-bg-elevated));
}

.mockup-placeholder .bar {
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
}

.mockup-placeholder .bar.w-60 { width: 60%; }
.mockup-placeholder .bar.w-40 { width: 40%; }
.mockup-placeholder .bar.w-80 { width: 80%; }

.mockup-placeholder .block {
  flex: 1;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  border: 1px dashed var(--color-accent-soft-border);
}

.mockup-placeholder .badge {
  align-self: flex-start;
}

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

.accordion-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  font-weight: 600;
  font-size: var(--text-lg);
  cursor: pointer;
}

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

.accordion-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
  transition: transform var(--transition-base), background-color var(--transition-base), color var(--transition-base);
}

.accordion-item[open] .accordion-icon {
  transform: rotate(45deg);
  background: var(--color-accent-strong);
  color: var(--color-text-on-accent);
  border-color: transparent;
}

.accordion-panel {
  padding-bottom: var(--space-6);
  max-width: 60ch;
}

/* ---- Reveal-on-scroll utility (observer.js toggles .is-visible) ---- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}