/* ==========================================================================
   BLG — Components
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.95rem 1.9rem;
  border-radius: 100px;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out-expo), box-shadow var(--dur-fast) var(--ease-out-expo);
  isolation: isolate;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-cta);
  color: var(--white);
  box-shadow: 0 14px 30px -10px rgba(0, 87, 184, 0.55);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -10px rgba(0, 87, 184, 0.65); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.55);
  backdrop-filter: blur(6px);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); transform: translateY(-3px); }

.btn-outline--dark {
  color: var(--blue-deep);
  border-color: rgba(0,54,107,0.3);
}
.btn-outline--dark:hover { background: rgba(0,87,184,0.06); border-color: var(--blue-primary); }

.btn-ghost {
  color: var(--blue-primary);
  padding: 0.4rem 0;
  font-size: 0.9rem;
}
.btn-ghost i { transition: transform var(--dur-fast) var(--ease-out-expo); }
.btn-ghost:hover i { transform: translateX(4px); }

/* Ripple */
.ripple-wrap { position: relative; overflow: hidden; }
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  transform: scale(0);
  animation: ripple-anim 0.65s var(--ease-out-expo);
  pointer-events: none;
}
@keyframes ripple-anim { to { transform: scale(3.2); opacity: 0; } }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(9, 13, 19, 0.28);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: height var(--dur-med) var(--ease-out-expo), background var(--dur-med) var(--ease-out-expo), box-shadow var(--dur-med) var(--ease-out-expo);
}

.header.is-scrolled {
  height: var(--header-h-shrink);
  background: rgba(6, 10, 15, 0.85);
  box-shadow: 0 10px 30px -14px rgba(0,0,0,0.5);
}

.header__inner {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--white);
}
.brand__mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--grad-cta);
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 1rem;
  box-shadow: 0 6px 18px -6px rgba(0,163,224,0.7);
}

.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 2.4rem;
}
.nav a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding-block: 0.4rem;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--cyan-data);
  transition: width var(--dur-fast) var(--ease-out-expo);
}
.nav a:hover, .nav a.is-active { color: var(--white); }
.nav a:hover::after, .nav a.is-active::after { width: 100%; }

.header__cta { justify-self: end; display: flex; align-items: center; gap: 1rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.nav-toggle span {
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--dur-fast) var(--ease-out-expo);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Corner-bracket frame (signature element) ---------- */
/* Evokes technical-drawing / HMI viewfinder marks around imagery */
.bracket-frame {
  position: relative;
}
.bracket-frame::before,
.bracket-frame::after,
.bracket-frame .bracket-tl,
.bracket-frame .bracket-br {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  border-color: var(--cyan-data);
  z-index: 3;
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out-expo), inset var(--dur-med) var(--ease-out-expo);
}
.bracket-frame::before { top: -10px; left: -10px; border-top: 2px solid; border-left: 2px solid; }
.bracket-frame::after { bottom: -10px; right: -10px; border-bottom: 2px solid; border-right: 2px solid; }
.bracket-frame:hover::before,
.bracket-frame:hover::after,
.bracket-frame.is-visible::before,
.bracket-frame.is-visible::after { opacity: 1; }
.bracket-frame:hover::before, .bracket-frame.is-visible::before { top: -6px; left: -6px; }
.bracket-frame:hover::after, .bracket-frame.is-visible::after { bottom: -6px; right: -6px; }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur-med) var(--ease-out-expo), box-shadow var(--dur-med) var(--ease-out-expo);
}
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow-strong); }

.service-card__media {
  position: relative;
  height: 230px;
  overflow: hidden;
}
.service-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}
.card:hover .service-card__media img { transform: scale(1.08); }

.service-card__icon {
  position: absolute;
  bottom: -26px; left: 28px;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--grad-cta);
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 1.3rem;
  box-shadow: 0 10px 24px -8px rgba(0,87,184,0.55);
}

.service-card__body { padding: 2.6rem 1.9rem 1.9rem; }
.service-card__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gray-500);
}
.service-card__body h3 { font-size: 1.4rem; margin-top: 0.5rem; }
.service-card__body p { color: var(--gray-700); margin-top: 0.8rem; font-size: 0.96rem; }

.service-card__list {
  margin: 1.4rem 0 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.service-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.4;
  cursor: pointer;
  padding: 0.4rem 0.5rem;
  margin-inline: -0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-out-expo), color var(--dur-fast) var(--ease-out-expo);
}
.service-item:hover,
.service-item:focus-visible {
  background: rgba(0, 87, 184, 0.07);
  color: var(--blue-deep);
}
.service-item.is-active {
  background: rgba(0, 87, 184, 0.1);
  color: var(--blue-deep);
  font-weight: 500;
}
.service-item i {
  color: var(--blue-primary);
  font-size: 0.78rem;
  margin-top: 0.28rem;
  flex-shrink: 0;
}
.service-item__label { flex: 1; }

/* ---------- Why-us icon tiles ---------- */
.reason {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.reason__icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: var(--white);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: var(--blue-primary);
  box-shadow: var(--shadow-soft);
}
.reason h4 { font-size: 1.15rem; }
.reason p { color: var(--gray-700); font-size: 0.94rem; }

/* ---------- Stats ---------- */
.stat {
  text-align: left;
  border-left: 1px solid rgba(255,255,255,0.18);
  padding-left: 1.6rem;
}
.stat__number {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 600;
  color: var(--white);
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.stat__number span.suffix { font-size: 1.6rem; color: var(--cyan-data); }
.stat__label {
  margin-top: 0.5rem;
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

/* ---------- Project gallery ---------- */
.project-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  display: block;
}
.project-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out-expo); }
.project-item__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,27,54,0.9) 0%, rgba(0,27,54,0.1) 55%, rgba(0,27,54,0) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.6rem;
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out-expo);
}
.project-item:hover .project-item__overlay { opacity: 1; }
.project-item:hover img { transform: scale(1.06); }
.project-item__overlay .eyebrow--on-dark { margin-bottom: 0.4rem; }
.project-item__overlay h4 { color: var(--white); font-size: 1.15rem; }
.project-item__overlay .btn-ghost { color: var(--cyan-data); margin-top: 0.7rem; }

/* ---------- Form ---------- */
.form-field {
  position: relative;
  margin-bottom: 1.3rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-300);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--dur-fast) var(--ease-out-expo), box-shadow var(--dur-fast) var(--ease-out-expo);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 4px rgba(0,87,184,0.12);
}
.form-field label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
}
.form-field .field-error {
  display: none;
  color: #D0343A;
  font-size: 0.8rem;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
}
.form-field.has-error input,
.form-field.has-error textarea { border-color: #D0343A; }
.form-field.has-error .field-error { display: block; }

.form-status {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(0,87,184,0.08);
  color: var(--blue-deep);
  font-size: 0.9rem;
  margin-top: 1rem;
}
.form-status.is-visible { display: flex; }

.info-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--gray-100);
}
.info-row:last-child { border-bottom: none; }
.info-row__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(0,87,184,0.08);
  color: var(--blue-primary);
  display: grid;
  place-items: center;
}
.info-row strong { display: block; font-size: 0.85rem; color: var(--gray-500); font-weight: 500; }
.info-row span { font-size: 0.98rem; color: var(--gray-900); }

/* ---------- Glassmorphism panel ---------- */
.glass-panel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(16px) saturate(140%);
  border-radius: var(--radius-lg);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 1.6rem;
  bottom: 1.6rem;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--grad-cta);
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-strong);
  z-index: 900;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--dur-med) var(--ease-out-expo);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ---------- Burbuja "Saber más" (tooltip junto al ítem clickeado) ---------- */
.tip-bubble {
  position: fixed;
  z-index: 2000;
  width: min(300px, calc(100vw - 2.4rem));
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.3rem 1.5rem;
  box-shadow: var(--shadow-strong);
  border: 1px solid var(--gray-100);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.94);
  transform-origin: var(--tip-origin, left center);
  transition: opacity var(--dur-fast) var(--ease-out-expo), transform var(--dur-fast) var(--ease-out-expo), visibility var(--dur-fast);
}
.tip-bubble.is-open {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.tip-bubble__arrow {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  transform: rotate(45deg);
}
/* Flecha apuntando hacia la izquierda del ítem (burbuja a la derecha) */
.tip-bubble[data-arrow="left"] .tip-bubble__arrow {
  left: -7px;
  top: var(--tip-arrow-offset, 20px);
  border-right: none;
  border-top: none;
}
/* Flecha apuntando hacia arriba (burbuja debajo del ítem, mobile) */
.tip-bubble[data-arrow="top"] .tip-bubble__arrow {
  top: -7px;
  left: var(--tip-arrow-offset, 24px);
  border-bottom: none;
  border-right: none;
}
/* Flecha apuntando hacia la derecha del ítem (burbuja a la izquierda, cerca del borde) */
.tip-bubble[data-arrow="right"] .tip-bubble__arrow {
  right: -7px;
  top: var(--tip-arrow-offset, 20px);
  border-left: none;
  border-bottom: none;
}

.tip-bubble__close {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--gray-50);
  color: var(--gray-500);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  transition: all var(--dur-fast) var(--ease-out-expo);
}
.tip-bubble__close:hover { background: var(--blue-primary); color: var(--white); }

.tip-bubble__content {
  padding-right: 1.4rem;
  color: var(--gray-700);
  font-size: 0.9rem;
  line-height: 1.55;
}
.tip-bubble__content p + p { margin-top: 0.6rem; }