/* ============================================================
   components.css — Neura-Sight Design System
   All units in REM. No px allowed.
   ============================================================ */

/* ----------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 1.4rem 3.2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-family-base);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 0.2rem solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0060d1 100%);
  color: #fff;
  box-shadow: 0 0.4rem 1.6rem rgba(0, 115, 230, 0.3);
}
.btn-primary:hover {
  transform: translateY(-0.2rem);
  box-shadow: 0 0.8rem 2.4rem rgba(0, 115, 230, 0.45);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-light);
  transform: translateY(-0.2rem);
}

.btn-white {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: 0 0.4rem 2rem rgba(0,0,0,0.08);
}
.btn-white:hover {
  transform: translateY(-0.2rem);
  box-shadow: 0 0.8rem 3.2rem rgba(0,0,0,0.14);
}

.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  backdrop-filter: blur(0.8rem);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.22);
  color: #fff;
}

/* ----------------------------------------------------------
   HEADING BADGE / EYEBROW
   ---------------------------------------------------------- */
.heading-badge {
  display: inline-block;
  padding: 0.6rem 1.6rem;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  border: 0.1rem solid rgba(0, 115, 230, 0.15);
}

.heading-badge-dark {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.2);
}

/* ----------------------------------------------------------
   CARDS
   ---------------------------------------------------------- */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 0.1rem solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-0.6rem);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 115, 230, 0.2);
}

.card-icon {
  width: 6rem;
  height: 6rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.card-icon svg { width: 2.8rem; height: 2.8rem; }

/* Service Feature Card */
.service-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  border: 0.1rem solid var(--color-border);
}
.service-card:hover {
  transform: translateY(-0.8rem);
  box-shadow: var(--shadow-lg);
}
.service-card-img {
  width: 100%;
  height: 22rem;
  object-fit: cover;
}
.service-card-body {
  padding: var(--space-5);
  flex: 1;
}
.service-card-body h3 { margin-bottom: var(--space-2); }
.service-card-body p { font-size: var(--font-size-sm); margin-bottom: var(--space-4); }
.service-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}
/* Condition card */
.condition-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 0.1rem solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.condition-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateX(0.4rem);
}
.condition-icon {
  width: 4.8rem;
  height: 4.8rem;
  min-width: 4.8rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.condition-icon svg { width: 2.4rem; height: 2.4rem; }
.condition-card h4 { margin-bottom: var(--space-1); color: var(--color-text-main); font-size: var(--font-size-base); }
.condition-card p { font-size: var(--font-size-sm); margin: 0; }

/* Doctor Profile Card — standard grid variant */
.doctor-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-base);
  border: 0.1rem solid var(--color-border);
}
.doctor-card:hover { transform: translateY(-1rem); box-shadow: var(--shadow-lg); }
.doctor-img-wrap {
  position: relative;
  width: 100%;
  padding-top: 100%;
  overflow: hidden;
  background: var(--color-primary-light);
}
.doctor-img-wrap img {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.doctor-card:hover .doctor-img-wrap img { transform: scale(1.05); }
.doctor-info { padding: var(--space-5); }
.doctor-specialty {
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  margin-bottom: var(--space-1);
  display: block;
}
.doctor-info h3 { margin-bottom: var(--space-2); font-size: var(--font-size-lg); }
.doctor-info p { font-size: var(--font-size-sm); margin-bottom: var(--space-3); }
.doctor-exp {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border-top: 0.1rem solid var(--color-border);
  padding-top: var(--space-3);
  width: 100%;
}
.doctor-exp svg { width: 1.4rem; height: 1.4rem; color: var(--color-primary); }

/* Doctor Card — Horizontal (image left, bio right) — used on doctors.html detail rows */
.doctor-card-h {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
  border: 0.1rem solid var(--color-border);
  transition: all var(--transition-base);
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 56em) {
  .doctor-card-h {
    grid-template-columns: 22rem 1fr;
    align-items: start;
  }
}
.doctor-card-h:hover { box-shadow: var(--shadow-lg); transform: translateY(-0.4rem); }
.doctor-card-h .doctor-img-wrap {
  width: 100%;
  padding-top: 75%;        /* 4:3 on mobile */
  position: relative;
  overflow: hidden;
  background: var(--color-primary-light);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
@media (min-width: 56em) {
  .doctor-card-h .doctor-img-wrap {
    padding-top: 120%;     /* portrait on desktop */
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  }
}
.doctor-card-h .doctor-img-wrap img {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-slow);
}
.doctor-card-h:hover .doctor-img-wrap img { transform: scale(1.04); }
.doctor-card-h .doctor-info { padding: var(--space-6); }

/* Testimonial Card */
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-7, 4rem);
  box-shadow: var(--shadow-md);
  border: 0.1rem solid var(--color-border);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  font-size: 8rem;
  font-family: var(--font-family-display);
  color: var(--color-primary-light);
  line-height: 1;
}
.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  font-style: italic;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
  padding-top: var(--space-6);
}
.testimonial-author { display: flex; align-items: center; gap: var(--space-3); }
.testimonial-avatar {
  width: 5rem; height: 5rem; border-radius: 50%;
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--color-primary); font-size: var(--font-size-lg);
  overflow: hidden;
}
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-name { font-weight: 600; color: var(--color-text-main); font-size: var(--font-size-sm); }
.testimonial-meta { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.star-row { display:flex; gap: 0.3rem; margin-bottom: var(--space-2); }
.star-row svg { width: 1.6rem; height: 1.6rem; color: #f59e0b; fill: #f59e0b; }

/* ----------------------------------------------------------
   STATS BAR
   ---------------------------------------------------------- */
.stats-bar {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #003d99 100%);
  padding: var(--space-8) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  text-align: center;
}
@media (min-width: 76.8em) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-number {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: var(--space-1);
}
.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.08rem;
}

/* ----------------------------------------------------------
   ANNOUNCEMENT STRIP
   ---------------------------------------------------------- */
.announce-strip {
  background: var(--color-primary-dark);
  color: #fff;
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
}
.announce-strip a { color: var(--color-accent); text-decoration: underline; }

/* ----------------------------------------------------------
   PROCESS / STEPS
   ---------------------------------------------------------- */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 76.8em) {
  .process-steps { grid-template-columns: repeat(4, 1fr); }
}
.process-step {
  text-align: center;
  position: relative;
}
.process-step::after {
  content: '';
  display: none;
}
@media (min-width: 76.8em) {
  .process-step:not(:last-child)::after {
    display: block;
    position: absolute;
    top: 3.2rem;
    right: -2rem;
    width: 4rem;
    height: 0.2rem;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  }
}
.step-num {
  width: 6.4rem; height: 6.4rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 auto var(--space-4);
}
.process-step h4 { margin-bottom: var(--space-2); font-size: var(--font-size-base); }
.process-step p { font-size: var(--font-size-sm); }

/* ----------------------------------------------------------
   FAQ ACCORDION
   ---------------------------------------------------------- */
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 0.1rem solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  gap: var(--space-4);
  transition: background var(--transition-fast);
}
.faq-question:hover { background: var(--color-primary-light); }
.faq-icon {
  flex-shrink: 0;
  width: 2.4rem; height: 2.4rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition-base);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 var(--space-5);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
}
.faq-item.open .faq-answer {
  max-height: 50rem;
  padding: 0 var(--space-5) var(--space-5);
}
.faq-answer p { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0; }

/* ----------------------------------------------------------
   GRIDS
   ---------------------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 76.8em) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 56em) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 76.8em) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 36em) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 76.8em) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ----------------------------------------------------------
   REVEAL ANIMATION
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(3rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-4rem); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.active { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(4rem); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.active { opacity: 1; transform: translateX(0); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ----------------------------------------------------------
   FORM ELEMENTS
   ---------------------------------------------------------- */
.form-group { margin-bottom: var(--space-4); }
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-primary-dark);
}
.form-control {
  width: 100%;
  padding: 1.4rem 1.6rem;
  font-size: var(--font-size-base);
  border: 0.15rem solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  color: var(--color-text-main);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.4rem rgba(0, 115, 230, 0.1);
}
.form-control.error { border-color: #ef4444; }
.field-error { color: #ef4444; font-size: var(--font-size-xs); margin-top: 0.4rem; display: none; }
.field-error.visible { display: block; }

/* ----------------------------------------------------------
   INLINE LIST (Symptom / Feature bullets)
   ---------------------------------------------------------- */
.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.check-list li svg {
  flex-shrink: 0;
  width: 2rem; height: 2rem;
  color: var(--color-primary);
  margin-top: 0.1rem;
}

/* ----------------------------------------------------------
   DIVIDER
   ---------------------------------------------------------- */
.divider {
  width: 6rem;
  height: 0.4rem;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  margin: var(--space-4) 0;
}

/* ----------------------------------------------------------
   MAP EMBED
   ---------------------------------------------------------- */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 40rem;
  width: 100%;
}
.map-wrap iframe { width: 100%; height: 100%; border: none; display: block; }

/* ----------------------------------------------------------
   MODALS
   ---------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(0.4rem);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal-container {
  background: #fff;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 60rem;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transform: translateY(2rem);
  transition: transform var(--transition-base);
  position: relative;
}
.modal-overlay.open .modal-container {
  transform: translateY(0);
}
.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 0.1rem solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}
.modal-close {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 3.2rem;
  height: 3.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}
.modal-close:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
}
.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
}
.modal-body p {
  margin-bottom: var(--space-4);
}
.modal-body h4 {
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}
.modal-body ul.check-list {
  margin-top: 0;
}

/* ----------------------------------------------------------
   3D TESTIMONIAL CAROUSEL
   ---------------------------------------------------------- */
.tcarousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8) 0;
}
.tcarousel {
  flex: 1;
  perspective: 120rem;
  height: 36rem;
  position: relative;
  overflow: visible;
}
.tcarousel-item {
  position: absolute;
  top: 0;
  left: 50%;
  width: 36rem;
  transition: transform 0.6s cubic-bezier(.4,0,.2,1), opacity 0.6s ease;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateZ(-30rem) scale(0.6);
  z-index: 0;
}
.tcarousel-item.pos-left {
  opacity: 0.55;
  pointer-events: auto;
  transform: translateX(calc(-50% - 28rem)) translateZ(-8rem) rotateY(30deg) scale(0.82);
  z-index: 1;
}
.tcarousel-item.pos-center {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateZ(0) rotateY(0deg) scale(1);
  z-index: 3;
}
.tcarousel-item.pos-right {
  opacity: 0.55;
  pointer-events: auto;
  transform: translateX(calc(-50% + 28rem)) translateZ(-8rem) rotateY(-30deg) scale(0.82);
  z-index: 1;
}
.tcarousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
}
.tcarousel-btn {
  flex-shrink: 0;
  width: 5rem; height: 5rem;
  background: var(--color-primary);
  border: none;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 0.4rem 1.6rem rgba(0, 115, 230, 0.3);
  transition: all var(--transition-base);
  color: #fff;
  z-index: 10;
}
.tcarousel-btn svg { width: 2.2rem; height: 2.2rem; }
.tcarousel-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.1);
  box-shadow: 0 0.8rem 2.4rem rgba(0, 115, 230, 0.45);
}
.tcarousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
}
.tcarousel-dot {
  width: 0.8rem; height: 0.8rem;
  border-radius: 50%;
  background: var(--color-border);
  border: none; cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}
.tcarousel-dot.active {
  background: var(--color-primary);
  width: 2.4rem;
  border-radius: var(--radius-full);
}
@media (max-width: 56em) {
  .tcarousel { height: 46rem; }
  .tcarousel-item { width: 26rem; }
  .tcarousel-item.pos-left  { transform: translateX(calc(-50% - 18rem)) translateZ(-8rem) rotateY(30deg) scale(0.82); }
  .tcarousel-item.pos-right { transform: translateX(calc(-50% + 18rem)) translateZ(-8rem) rotateY(-30deg) scale(0.82); }
  .tcarousel-btn { width: 4rem; height: 4rem; }
}