/* ==============================================================
   Premium UI Layer — Shreeji Surgical Hospital
   Elegant motion, depth, and polish. Brand colors preserved.
=================================================================== */

:root {
  --premium-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --premium-duration: 700ms;
  --premium-duration-slow: 900ms;
  --premium-reveal-y: 52px;
  --premium-radius: 16px;
  --premium-radius-lg: 22px;
  --premium-shadow: 0 20px 50px rgba(21, 98, 161, 0.1);
  --premium-shadow-hover: 0 28px 60px rgba(21, 98, 161, 0.16);
  --premium-glass: rgba(255, 255, 255, 0.72);
  --premium-glass-border: rgba(255, 255, 255, 0.45);
}

/* ── Scroll progress ───────────────────────────────────────── */
.premium-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 10001;
  pointer-events: none;
  background: transparent;
}

.premium-scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transform-origin: left center;
  transition: width 80ms linear;
  box-shadow: 0 0 8px rgba(21, 98, 161, 0.25);
}

/* ── Smooth base ───────────────────────────────────────────── */
.premium-ui {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.premium-ui ::selection {
  background: rgba(21, 98, 161, 0.18);
  color: var(--color-heading);
}

/* ── Navigation ────────────────────────────────────────────── */
.premium-ui nav.navbar.validnavs {
  transition: background-color 0.5s var(--premium-ease),
    box-shadow 0.5s var(--premium-ease),
    padding 0.5s var(--premium-ease),
    backdrop-filter 0.5s var(--premium-ease);
}

.premium-ui nav.navbar.validnavs,
.premium-ui nav.navbar.validnavs.premium-nav--scrolled,
.premium-ui nav.navbar.validnavs.premium-nav--scrolled.no-background,
.premium-ui nav.navbar.validnavs.premium-nav--scrolled.blurry-nav {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.premium-ui nav.navbar.validnavs.premium-nav--scrolled {
  box-shadow: 0 8px 32px rgba(13, 58, 110, 0.08);
}

.premium-ui nav.navbar.validnavs.premium-nav--scrolled .navbar-brand > img,
.premium-ui nav.navbar.validnavs.premium-nav--scrolled .logo {
  transform: scale(0.92);
  transition: transform 0.5s var(--premium-ease);
}

.premium-ui nav.navbar.validnavs ul.nav > li > a {
  position: relative;
}

.premium-ui nav.navbar.validnavs ul.nav > li > a:not(.dropdown-toggle)::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 22px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.45s var(--premium-ease);
  border-radius: 2px;
}

.premium-ui nav.navbar.validnavs ul.nav > li > a:not(.dropdown-toggle):hover::after,
.premium-ui nav.navbar.validnavs ul.nav > li.active > a:not(.dropdown-toggle)::after {
  transform: scaleX(1);
}

.premium-ui nav.navbar.validnavs ul.nav > li.dropdown > a.dropdown-toggle::after {
  content: "\f107";
  font-family: var(--fontawesome);
  position: relative;
  left: auto;
  right: auto;
  bottom: auto;
  top: 1px;
  display: inline;
  width: auto;
  height: auto;
  margin-left: 7px;
  background: none;
  transform: none;
  border: none;
  font-weight: 400;
  border-radius: 0;
  transition: transform 0.35s ease;
}

.premium-ui nav.navbar.validnavs ul.nav > li.dropdown:hover > a.dropdown-toggle::after,
.premium-ui nav.navbar.validnavs ul.nav > li.dropdown.on > a.dropdown-toggle::after {
  transform: none;
}

@media (max-width: 1023px) {
  .premium-ui nav.navbar.validnavs ul.nav > li > a:not(.dropdown-toggle)::after {
    display: none;
  }

  .premium-ui nav.navbar.validnavs ul.nav > li.dropdown > a.dropdown-toggle::after {
    display: none;
  }
}

/* ── Reveal system ─────────────────────────────────────────── */
.premium-reveal {
  opacity: 0;
  transform: translate3d(0, var(--premium-reveal-y), 0);
  transition: opacity var(--premium-duration) var(--premium-ease),
    transform var(--premium-duration) var(--premium-ease);
  will-change: opacity, transform;
}

.premium-reveal--left {
  transform: translate3d(-40px, var(--premium-reveal-y), 0);
}

.premium-reveal--right {
  transform: translate3d(40px, var(--premium-reveal-y), 0);
}

.premium-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.premium-stagger > * {
  opacity: 0;
  transform: translate3d(0, 36px, 0);
  transition: opacity 600ms var(--premium-ease), transform 600ms var(--premium-ease);
  will-change: opacity, transform;
}

.premium-stagger.is-visible > * {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.premium-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.premium-stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.premium-stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.premium-stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.premium-stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.premium-stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }
.premium-stagger.is-visible > *:nth-child(7) { transition-delay: 480ms; }
.premium-stagger.is-visible > *:nth-child(8) { transition-delay: 560ms; }
.premium-stagger.is-visible > *:nth-child(9) { transition-delay: 640ms; }

.premium-reveal-child {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  transition: opacity 650ms var(--premium-ease), transform 650ms var(--premium-ease);
  will-change: opacity, transform;
}

.premium-reveal-child.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.premium-reveal-child--delay-1 { transition-delay: 100ms; }
.premium-reveal-child--delay-2 { transition-delay: 220ms; }
.premium-reveal-child--delay-3 { transition-delay: 340ms; }
.premium-reveal-child--delay-4 { transition-delay: 460ms; }

.premium-zoom-reveal {
  overflow: hidden;
  border-radius: var(--premium-radius);
}

.premium-zoom-reveal img {
  transform: scale(1.05);
  transition: transform var(--premium-duration-slow) var(--premium-ease);
  will-change: transform;
}

.premium-zoom-reveal.is-visible img {
  transform: scale(1);
}

/* ── Hero ──────────────────────────────────────────────────── */
.premium-ui .banner-area.premium-hero {
  position: relative;
  overflow: hidden;
}

.premium-hero__orbs {
  display: none;
}

.premium-hero__orbs span {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.45;
  animation: premiumOrbFloat 14s var(--premium-ease) infinite alternate;
}

.premium-hero__orbs span:nth-child(1) {
  width: 320px;
  height: 320px;
  top: -80px;
  right: 10%;
  background: rgba(21, 98, 161, 0.35);
}

.premium-hero__orbs span:nth-child(2) {
  width: 240px;
  height: 240px;
  bottom: 10%;
  left: 5%;
  background: rgba(254, 101, 0, 0.22);
  animation-delay: -4s;
}

.premium-hero__orbs span:nth-child(3) {
  width: 180px;
  height: 180px;
  top: 35%;
  left: 40%;
  background: rgba(182, 224, 224, 0.5);
  animation-delay: -7s;
}

@keyframes premiumOrbFloat {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(20px, -24px, 0) scale(1.08); }
}

.premium-ui .banner-area.premium-hero .carousel-item.banner-slide-hero::after {
  display: none;
}

.premium-ui .banner-area.premium-hero .carousel-item.banner-slide-doctors::before {
  animation: none;
}

.premium-ui .banner-style-four .content h1 {
  font-size: clamp(42px, 6.5vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.premium-ui .banner-style-four .content p {
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.75;
  max-width: 540px;
}

.premium-ui .banner-doctors-img {
  animation: premiumFloat 6s var(--premium-ease) infinite alternate;
}

@keyframes premiumFloat {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(0, -14px, 0); }
}

.premium-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.4s var(--premium-ease);
}

.premium-scroll-hint:hover {
  opacity: 1;
  color: var(--color-primary);
}

.premium-scroll-hint__mouse {
  width: 22px;
  height: 34px;
  border: 2px solid currentColor;
  border-radius: 12px;
  position: relative;
}

.premium-scroll-hint__mouse::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  background: currentColor;
  border-radius: 3px;
  animation: premiumScrollDot 1.8s var(--premium-ease) infinite;
}

@keyframes premiumScrollDot {
  0%   { opacity: 1; transform: translateY(0); }
  70%  { opacity: 0; transform: translateY(10px); }
  100% { opacity: 0; transform: translateY(10px); }
}

.premium-ui .banner-area.premium-hero .box-table {
  position: relative;
  z-index: 2;
}

.premium-ui .banner-area.premium-hero .carousel-control {
  position: absolute;
  z-index: 3;
}

/* ── Sections ──────────────────────────────────────────────── */
.premium-ui .premium-section {
  position: relative;
  overflow: hidden;
}

.premium-ui .premium-section::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.premium-ui .premium-section--alt:not(.bg-cover):not(.bg-gray):not(.bg-dark):not(.text-light) {
  background: #f7f9fb !important;
}

.premium-ui .premium-section--alt::before {
  top: -80px;
  right: -60px;
  background: rgba(21, 98, 161, 0.12);
}

.premium-ui .premium-section:not(.premium-section--alt):not(.bg-gray):not(.bg-dark):not(.bg-cover)::before {
  bottom: -100px;
  left: -80px;
  background: rgba(254, 101, 0, 0.08);
}

.premium-ui .premium-section > .container {
  position: relative;
  z-index: 1;
}

.premium-ui .default-padding {
  padding-top: clamp(70px, 8vw, 110px);
  padding-bottom: clamp(70px, 8vw, 110px);
}

/* ── Typography ────────────────────────────────────────────── */
.premium-ui .site-heading h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.premium-ui .site-heading h2 span {
  color: var(--color-primary);
  -webkit-text-fill-color: currentColor;
}

.premium-ui .site-heading p {
  font-size: 17px;
  line-height: 1.8;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.premium-ui .about-area .info h2.title {
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.premium-ui .about-area .info > h4,
.premium-ui .about-style-two-info .top h4 {
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 14px;
}

/* ── Premium cards ─────────────────────────────────────────── */
.premium-ui .solid-services-area .item,
.premium-ui .top-entry-area .item,
.premium-ui .blog-items .item,
.premium-ui .doctor-area .item,
.premium-ui .emergency-feature-card {
  border-radius: var(--premium-radius);
  transition: transform 0.5s var(--premium-ease),
    box-shadow 0.5s var(--premium-ease),
    border-color 0.5s var(--premium-ease);
  will-change: transform;
}

.premium-ui .solid-services-area .item {
  background: #fff;
  border: 1px solid rgba(21, 98, 161, 0.08);
  box-shadow: 0 4px 20px rgba(21, 98, 161, 0.05);
  padding: 36px 28px !important;
}

.premium-ui .solid-services-area .item:hover {
  transform: translate3d(0, -8px, 0) scale(1.02);
  box-shadow: var(--premium-shadow-hover);
  border-color: rgba(21, 98, 161, 0.18);
}

.premium-ui .solid-services-area .item i {
  transition: transform 0.5s var(--premium-ease), color 0.4s ease;
}

.premium-ui .solid-services-area .item:hover i {
  transform: translate3d(0, -4px, 0) scale(1.08);
  color: var(--color-secondary);
}

.premium-ui .emergency-feature-card {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.premium-ui .emergency-feature-card:hover {
  transform: translate3d(0, -6px, 0) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.premium-ui .blog-items .item {
  overflow: hidden;
  border-radius: var(--premium-radius-lg);
  box-shadow: var(--premium-shadow);
}

.premium-ui .blog-items .item:hover {
  transform: translate3d(0, -6px, 0);
  box-shadow: var(--premium-shadow-hover);
}

.premium-ui .blog-items .thumb img {
  transition: transform 0.7s var(--premium-ease);
}

.premium-ui .blog-items .item:hover .thumb img {
  transform: scale(1.05);
}

.premium-ui .doctor-showcase__photo img {
  transition: transform 0.6s var(--premium-ease);
}

.premium-ui .doctor-showcase-carousel .owl-item.active .doctor-showcase__photo img {
  transform: scale(1.02);
}

/* ── Testimonials glass ────────────────────────────────────── */
.premium-ui .testimonial-items .item {
  background: var(--premium-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--premium-glass-border);
  box-shadow: var(--premium-shadow);
  transition: transform 0.5s var(--premium-ease), box-shadow 0.5s var(--premium-ease);
}

.premium-ui .testimonial-items .item:hover {
  transform: translate3d(0, -6px, 0);
  box-shadow: var(--premium-shadow-hover);
}

.premium-ui .testimonial-items .item p {
  font-size: 18px;
  line-height: 1.8;
}

/* ── Buttons ───────────────────────────────────────────────── */
.premium-ui .btn.btn-theme,
.premium-ui .appoinment-box button,
.premium-ui .contact-form-panel button[type="submit"] {
  border-radius: 999px !important;
  padding: 14px 32px !important;
  font-weight: 600;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--premium-ease),
    box-shadow 0.4s var(--premium-ease),
    background 0.4s var(--premium-ease) !important;
  box-shadow: 0 8px 24px rgba(21, 98, 161, 0.25);
}

.premium-ui .btn.btn-theme:hover,
.premium-ui .appoinment-box button:hover {
  transform: translate3d(0, -2px, 0);
  box-shadow: 0 14px 32px rgba(21, 98, 161, 0.32);
}

.premium-ui .btn.btn-theme i,
.premium-ui .btn.btn-theme .fa {
  transition: transform 0.4s var(--premium-ease);
  display: inline-block;
}

.premium-ui .btn.btn-theme:hover i,
.premium-ui .btn.btn-theme:hover .fa {
  transform: translate3d(4px, 0, 0);
}

.premium-ui .btn.premium-ripple {
  isolation: isolate;
}

.premium-ripple__wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: premiumRipple 600ms var(--premium-ease) forwards;
  pointer-events: none;
}

@keyframes premiumRipple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ── Forms ─────────────────────────────────────────────────── */
.premium-ui .form-control,
.premium-ui .appoinment-box select,
.premium-ui .contact-form-panel .form-control {
  border-radius: 12px !important;
  border: 1px solid rgba(21, 98, 161, 0.15) !important;
  padding: 14px 18px !important;
  transition: border-color 0.35s var(--premium-ease),
    box-shadow 0.35s var(--premium-ease),
    transform 0.35s var(--premium-ease);
}

.premium-ui .form-control:focus,
.premium-ui .appoinment-box select:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 4px rgba(21, 98, 161, 0.12) !important;
  transform: translate3d(0, -1px, 0);
  outline: none;
}

.premium-ui .contact-form-panel .form-control:focus {
  transform: none;
}

.premium-ui .appoinment-box,
.premium-ui .contact-form-panel {
  border-radius: var(--premium-radius-lg);
  box-shadow: var(--premium-shadow);
}

/* ── Images & thumbs ───────────────────────────────────────── */
.premium-ui .about-thumb__frame {
  transition: transform 0.6s var(--premium-ease), box-shadow 0.6s var(--premium-ease);
}

.premium-ui .about-thumb__frame:hover {
  transform: translate3d(0, -6px, 0);
  box-shadow: 0 24px 50px rgba(21, 98, 161, 0.15);
}

/* ── Footer ────────────────────────────────────────────────── */
.premium-ui footer.bg-dark {
  background: #0d3a6e !important;
  position: relative;
  overflow: hidden;
}

.premium-ui footer.bg-dark::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(254, 101, 0, 0.08);
  filter: blur(60px);
  pointer-events: none;
}

.premium-ui footer .f-item a {
  position: relative;
  transition: color 0.3s ease, transform 0.3s var(--premium-ease);
  display: inline-block;
}

.premium-ui footer .f-item a:hover {
  transform: translate3d(4px, 0, 0);
  color: #ffb380 !important;
}

.premium-ui footer .f-item h4 {
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}

/* ── Links ─────────────────────────────────────────────────── */
.premium-ui a:not(.btn):not(.navbar-brand):not(.carousel-control) {
  transition: color 0.3s ease;
}

.premium-ui .solid-services-area .item h4 a {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.4s var(--premium-ease), color 0.3s ease;
}

.premium-ui .solid-services-area .item h4 a:hover {
  background-size: 100% 2px;
  color: var(--color-primary);
}

/* ── Back to top ─────────────────────────────────────────────── */
.premium-ui #toTop {
  transition: transform 0.4s var(--premium-ease), box-shadow 0.4s var(--premium-ease),
    background-color 0.3s ease !important;
}

.premium-ui #toTop:hover {
  transform: translate3d(0, -4px, 0);
  box-shadow: 0 12px 28px rgba(21, 98, 161, 0.45);
}

/* ── Cursor glow (desktop) ───────────────────────────────────── */
.premium-cursor-glow {
  display: none !important;
}

/* ── Reduced motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .premium-reveal,
  .premium-reveal--left,
  .premium-reveal--right,
  .premium-stagger > *,
  .premium-reveal-child,
  .premium-zoom-reveal img {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .premium-hero__orbs span,
  .premium-ui .banner-doctors-img,
  .premium-scroll-hint__mouse::after {
    animation: none !important;
  }

  .premium-ui .solid-services-area .item:hover,
  .premium-ui .blog-items .item:hover,
  .premium-ui .emergency-feature-card:hover,
  .premium-ui .testimonial-items .item:hover,
  .premium-ui .btn.btn-theme:hover {
    transform: none;
  }
}

@media (max-width: 767px) {
  .premium-scroll-hint {
    display: none;
  }

  .premium-cursor-glow {
    display: none !important;
  }
}