/* ==========================================================================
   Reusable components — buttons, cursor
   ========================================================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: var(--ls-normal);
  padding: 16px 28px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  isolation: isolate;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur-fast) var(--ease-mastro);
}

.btn:hover svg,
.btn:focus-visible svg {
  transform: translateX(4px);
}

.btn--primary {
  background: var(--glass-bg-bright);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border-bright);
  box-shadow: var(--glass-shadow-bright);
  color: var(--mastro-black);
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--mastro-flow);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--dur-base) var(--ease-mastro);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  color: var(--white);
}

.btn--primary:hover::before,
.btn--primary:focus-visible::before {
  opacity: 1;
}

/* Same filled-pill treatment as .btn--primary, but for use on light-background
   sections where a white fill would disappear into the page background. */
.btn--primary-dark {
  background: var(--glass-bg-on-dark-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border-on-dark);
  box-shadow: var(--glass-shadow-on-dark);
  color: var(--white);
}

.btn--primary-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--mastro-flow);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--dur-base) var(--ease-mastro);
}

.btn--primary-dark:hover::before,
.btn--primary-dark:focus-visible::before {
  opacity: 1;
}

/* .btn--primary-dark was designed for CTAs on light-section backgrounds
   (dark button, light surface). In dark theme those same sections become
   dark too, so the button needs to flip to the bright variant instead —
   otherwise it's a dark button on a now-dark background. */
:root[data-theme="dark"] .btn--primary-dark {
  background: var(--glass-bg-bright);
  border-color: var(--glass-border-bright);
  box-shadow: var(--glass-shadow-bright);
  color: var(--mastro-black);
}

:root[data-theme="dark"] .btn--primary-dark:hover,
:root[data-theme="dark"] .btn--primary-dark:focus-visible {
  color: var(--white);
}

.btn--ghost {
  color: var(--white);
  border: 1px solid var(--glass-border-on-dark);
  background: var(--glass-bg-on-dark);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  box-shadow: var(--glass-shadow-on-dark);
  transition: border-color var(--dur-fast) var(--ease-mastro), background-color var(--dur-fast) var(--ease-mastro);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: rgba(255, 255, 255, 0.4);
  background: var(--glass-bg-on-dark-strong);
}

.btn--ghost-light {
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  box-shadow: var(--glass-shadow);
  transition: border-color var(--dur-fast) var(--ease-mastro), background-color var(--dur-fast) var(--ease-mastro);
}

.btn--ghost-light:hover,
.btn--ghost-light:focus-visible {
  border-color: var(--text-muted);
  background: var(--glass-bg-strong);
}

.magnetic-wrap {
  display: inline-flex;
  will-change: transform;
}

/* Promotional offer banner — used in the hero and "Be One of Our First
   Projects" section. Both are permanently-dark contexts, so this uses the
   constant dark/inverse token tier throughout (safe in both site themes by
   design, same reasoning as the sections it lives in). The gradient ring is
   a real gradient border (two background layers: an opaque navy fill
   clipped to the padding box sits over the flow gradient clipped to the
   border box) rather than a glow behind the pill, plus a colored icon chip
   and gradient badge text — reads clearly as a promo, not a plain text row. */
.offer-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 22px 8px 8px;
  margin-bottom: var(--space-5);
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  background-image: linear-gradient(var(--mastro-navy), var(--mastro-navy)), var(--mastro-flow);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 10px 30px rgba(82, 36, 214, 0.35);
}

.offer-banner__tag {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--mastro-flow);
  color: var(--white);
}

.offer-banner__tag svg {
  width: 16px;
  height: 16px;
}

.offer-banner__badge {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-body-lg);
  letter-spacing: var(--ls-tight);
  background: var(--mastro-flow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

.offer-banner__text {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-secondary-inverse);
  line-height: var(--lh-normal);
  white-space: nowrap;
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .offer-banner {
    flex-wrap: wrap;
    row-gap: 6px;
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    margin-bottom: var(--space-3);
  }

  .offer-banner__text {
    white-space: normal;
    flex-basis: 100%;
  }
}

/* Custom cursor — desktop only, added by JS after feature-detecting fine pointer */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate3d(-50%, -50%, 0);
  will-change: transform, width, height;
  transition: width var(--dur-fast) var(--ease-mastro),
              height var(--dur-fast) var(--ease-mastro),
              background-color var(--dur-fast) var(--ease-mastro);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cursor__label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: var(--ls-wide);
  color: var(--mastro-black);
  opacity: 0;
  transition: opacity var(--dur-instant) var(--ease-mastro);
  white-space: nowrap;
}

.cursor.is-cta { width: 56px; height: 56px; }
.cursor.is-view { width: 88px; height: 88px; }
.cursor.is-view .cursor__label,
.cursor.is-drag .cursor__label { opacity: 1; }
.cursor.is-drag { width: 88px; height: 88px; }
.cursor.is-hidden { opacity: 0; }

html.has-custom-cursor,
html.has-custom-cursor a,
html.has-custom-cursor button {
  cursor: none;
}

@media (hover: none), (pointer: coarse) {
  .cursor { display: none !important; }
  html.has-custom-cursor,
  html.has-custom-cursor a,
  html.has-custom-cursor button {
    cursor: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cursor { display: none !important; }
}

/* Ambient cursor trail — one canvas, fixed to the viewport, shared across
   every page/section. A continuously-emitted particle trail in the brand's
   own flow-gradient colors (read from tokens at init). Particles are painted
   with plain alpha (no mix-blend-mode) so the true brand color stays visible
   against both light- and dark-theme backgrounds. Canvas-drawn rather than
   DOM nodes so a full trail is one clear + N arc fills per frame. Desktop
   only, added by JS after feature-detecting fine pointer. */
.cursor-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-glow);
  opacity: 0;
  transition: opacity 0.4s var(--ease-mastro);
}

.cursor-glow.is-active {
  opacity: 1;
}

@media (hover: none), (pointer: coarse) {
  .cursor-glow { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor-glow { display: none !important; }
}