/* ==========================================================================
   SmileCare Dental — Layout (Navbar, Hero, Footer, Page-specific sections)
   ========================================================================== */

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  transition: background var(--transition-base), box-shadow var(--transition-base);
  padding: 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.nav-link.active {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
  font-weight: 600;
}

.nav-cta {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-left: var(--space-2);
}

.nav-cta:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-glow);
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-1);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link,
  .nav-cta {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: var(--text-base);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-2);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-white) 50%, var(--color-accent-50) 100%);
}

.hero-orbe {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.hero-orbe-1 {
  width: 450px; height: 450px;
  background: rgba(14, 165, 233, 0.12);
  top: -120px; left: -80px;
}

.hero-orbe-2 {
  width: 550px; height: 550px;
  background: rgba(20, 184, 166, 0.10);
  bottom: -180px; right: -120px;
  animation-delay: -3s;
}

.hero-orbe-3 {
  width: 650px; height: 650px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.06), rgba(20, 184, 166, 0.06));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-16) 0;
  position: relative;
  z-index: 1;
}

.hero-content .badge {
  margin-bottom: var(--space-6);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-gray-900);
  margin-bottom: var(--space-5);
}

.hero-desc {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
  max-width: 520px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.hero-stats-row .rating-text {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* --- Hero Visual --- */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-circle {
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(20, 184, 166, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(14, 165, 233, 0.12);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.hero-circle-inner {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(20, 184, 166, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.hero-circle-inner svg {
  width: 100px;
  height: 100px;
  color: var(--color-primary-500);
  opacity: 0.5;
}

.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.5);
  white-space: nowrap;
}

.hero-float-card svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-500);
}

.hero-float-card-1 {
  top: 8%;
  right: -5%;
  animation: float 5s ease-in-out infinite;
}

.hero-float-card-2 {
  bottom: 15%;
  left: -2%;
  animation: float 7s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-20px); }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .hero-desc {
    margin: 0 auto var(--space-8);
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats-row {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-circle {
    width: 300px;
    height: 300px;
  }

  .hero-circle-inner {
    width: 200px;
    height: 200px;
  }

  .hero-circle-inner svg {
    width: 70px;
    height: 70px;
  }

  .hero-float-card-1 { right: 5%; }
  .hero-float-card-2 { left: 5%; }
}

@media (max-width: 600px) {
  .hero-circle {
    width: 240px;
    height: 240px;
  }

  .hero-circle-inner {
    width: 160px;
    height: 160px;
  }

  .hero-circle-inner svg {
    width: 50px;
    height: 50px;
  }
}

/* ===== SERVICES OVERVIEW (home) ===== */
.services-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .services-overview { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .services-overview { grid-template-columns: 1fr; }
}

/* ===== ABOUT OVERVIEW (home) ===== */
.about-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-overview-visual {
  position: relative;
}

.about-overview-image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, rgba(14,165,233,0.12), rgba(20,184,166,0.12));
  border: 1px solid rgba(255,255,255,0.08);
}

.about-overview-floating {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.about-overview-floating .number {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-overview-floating .label {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: 2px;
}

.about-overview-text {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.about-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.about-feature-item {
  display: flex;
  gap: var(--space-4);
}

.about-feature-item .dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-accent-500);
  margin-top: 6px;
  flex-shrink: 0;
}

.about-feature-item h4 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 2px;
}

.about-feature-item p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-16);
}

.stat-card {
  padding: var(--space-8) var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  transition: background var(--transition-base);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-top: var(--space-2);
  display: block;
}

@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== FAQ LIST ===== */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item.active {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-100);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-gray-900);
  transition: color var(--transition-fast);
}

.faq-item.active .faq-question {
  color: var(--color-primary-600);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-gray-400);
  transition: transform var(--transition-base), color var(--transition-base);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--color-primary-500);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 var(--space-6);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 var(--space-6) var(--space-6);
}

.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
}

/* ===== CONTACT GRID ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-10);
  align-items: start;
}

.contact-form-wrap {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.form-success.show {
  display: flex;
}

.form-success svg {
  width: 48px;
  height: 48px;
  color: var(--color-success);
  margin-bottom: var(--space-4);
}

.form-success h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.form-success p {
  color: rgba(255, 255, 255, 0.6);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info-card {
  display: flex;
  gap: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.contact-info-card .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(14, 165, 233, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-300);
  flex-shrink: 0;
}

.contact-info-card .icon-wrap svg {
  width: 20px;
  height: 20px;
}

.contact-info-card h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 2px;
}

.contact-info-card p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

.contact-map-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.35);
  font-size: var(--text-sm);
}

.contact-map-placeholder svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-16) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
  margin: var(--space-4) 0 var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
  color: var(--color-white);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-white);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col li a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-col li a:hover {
  color: var(--color-accent-400);
}

.footer-newsletter p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--space-4);
}

.newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  font-size: var(--text-sm);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.newsletter-form input:focus {
  border-color: var(--color-primary-500);
}

.newsletter-form button {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: transform var(--transition-fast);
}

.newsletter-form button:hover {
  transform: scale(1.05);
}

.newsletter-form button svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.footer-bottom .heart {
  color: var(--color-error);
  display: inline-block;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

/* ===== WHATSAPP WIDGET ===== */
.whatsapp-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 998;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15), 0 0 0 0 rgba(37, 211, 102, 0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.whatsapp-widget:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2), 0 0 16px 4px rgba(37, 211, 102, 0.3);
}

.whatsapp-widget svg {
  width: 60px;
  height: 60px;
  display: block;
  border-radius: 50%;
}

/* ===== TESTIMONIALS CAROUSEL ===== */
.testimonials-slider {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 var(--space-2);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-100);
}

.carousel-btn:hover {
  box-shadow: var(--shadow-lg);
  color: var(--color-primary-600);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
}

.carousel-dots {
  display: flex;
  gap: var(--space-2);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-gray-300);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.carousel-dot.active {
  width: 32px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-accent-500));
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 800px;
  width: 100%;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.open .lightbox-content {
  transform: scale(1);
}

.lightbox-image {
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-caption {
  background: var(--color-white);
  padding: var(--space-6);
}

.lightbox-caption h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.lightbox-caption p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-close svg {
  width: 22px;
  height: 22px;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background var(--transition-fast);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-nav.prev {
  left: var(--space-6);
}

.lightbox-nav.next {
  right: var(--space-6);
}

.lightbox-nav svg {
  width: 24px;
  height: 24px;
}

/* ===== LOADER ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary-500);
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}