/* ===== COMPONENTS.CSS ===== */
/* Buttons, cards, forms, process steps, stats, testimonials, portfolio, back-to-top */

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--border-radius-btn);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: transparent;
  border: 2px solid var(--navy);
  color: var(--navy);
}
.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
}
.btn-large { padding: 1rem 2.8rem; font-size: 1.1rem; }
.btn-full { width: 100%; }
.btn-small {
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
  border-radius: 40px;
}

/* ---------- Service Cards (with images) ---------- */
.service-card {
  background: var(--white);
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--grey-mid);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}
.card-img {
  width: 100%;
  aspect-ratio: 1 / 1.5;
  object-fit: cover;
  display: block;
}
.card-content {
  padding: 1.8rem 1.5rem 2rem;
  flex: 1;
}
.card-icon {
  font-size: 2rem;
  color: var(--teal);
  margin-bottom: 1rem;
}
.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.7rem;
}
.card-link {
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.8rem;
}
.card-link i {
  transition: transform 0.2s;
}
.card-link:hover i {
  transform: translateX(5px);
}

/* ---------- Process Section ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.process-step {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  position: relative;
}
.process-step .step-number {
  display: inline-block;
  width: 48px;
  height: 48px;
  background: var(--teal);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 48px;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* ---------- Stats Counter ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  margin: 3rem 0;
}
.stat-item h3 {
  font-size: 2.8rem;
  color: var(--teal);
  margin-bottom: 0.5rem;
  line-height: 1;
}
.stat-item p {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--navy);
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ---------- Testimonials ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.testimonial-card {
  background: var(--white);
  padding: 2rem 1.8rem;
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--grey-mid);
}
.testimonial-card i {
  color: var(--teal);
  font-size: 2rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}
.testimonial-card h4 {
  margin-top: 1.2rem;
  font-weight: 600;
  color: var(--navy);
}
.testimonial-card span {
  color: var(--text-grey);
  font-size: 0.9rem;
}
@media (max-width: 992px) {
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* ---------- Forms ---------- */
.form-group {
  margin-bottom: 1.8rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--navy);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--grey-mid);
  border-radius: 14px;
  font-family: inherit;
  font-size: 1rem;
  transition: 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(30,126,126,0.1);
}

/* ---------- Back to Top Button ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--navy);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
  cursor: pointer;
  border: none;
  z-index: 99;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--teal);
  transform: translateY(-5px);
}

/* ---------- Portfolio Filter & Grid ---------- */
.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 0.6rem 1.8rem;
  border: 1px solid var(--grey-mid);
  background: white;
  border-radius: 40px;
  font-weight: 500;
  transition: 0.2s;
  cursor: pointer;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--navy);
  color: white;
  border-color: var(--navy);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1.2;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.portfolio-item:hover img {
  transform: scale(1.05);
}
.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10,31,68,0.9);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s;
  color: white;
  padding: 1rem;
  text-align: center;
}
.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}
.portfolio-overlay h3 {
  color: white;
  margin-bottom: 0.5rem;
}
.portfolio-overlay p {
  color: #ddd;
  margin-bottom: 1rem;
}
.portfolio-overlay .btn-small {
  background: white;
  color: var(--navy);
  padding: 0.6rem 1.5rem;
  border-radius: 40px;
  margin-top: 0.5rem;
}
@media (max-width: 992px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* Chat button */
#chat-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #0a1f44;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 1000;
  font-size: 24px;
  transition: transform 0.2s;
}
#chat-button:hover {
  transform: scale(1.1);
}

/* Chat window */
#chat-window {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 350px;
  height: 500px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}
#chat-window.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.chat-header {
  background: #0a1f44;
  color: white;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-header button {
  background: none;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
}

.chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background: #f5f7fa;
}
.message {
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 18px;
  max-width: 80%;
  word-wrap: break-word;
}
.message.user {
  background: #0a1f44;
  color: white;
  align-self: flex-end;
  margin-left: auto;
}
.message.assistant {
  background: #e2e8f0;
  color: #1e1e1e;
  align-self: flex-start;
}
.message.typing {
  background: transparent;
  color: #888;
  font-style: italic;
}

.chat-input-area {
  display: flex;
  padding: 12px;
  border-top: 1px solid #e2e8f0;
  background: white;
}
#chat-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #cbd5e0;
  border-radius: 24px;
  outline: none;
}
#chat-send {
  background: #0a1f44;
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-left: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
#chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Mobile adjustments */
@media (max-width: 480px) {
  #chat-window {
    width: calc(100% - 40px);
    right: 20px;
    bottom: 80px;
  }
}