/* ============================================================
   DR. HAKAM SINGH — Orthopaedic Surgeon & Sports Injury Specialist
   Complete Theme Stylesheet
   
   THEME COLORS: All colors are defined as CSS custom properties
   in :root. To change the entire website theme, simply update
   the values below. No other color values are hardcoded.
   ============================================================ */

/* ===================== ROOT THEME VARIABLES ===================== */
:root {
  /* Primary Palette (Blue) */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  --primary-950: #172554;

  /* Accent Palette (Teal) */
  --accent-50: #f0fdfa;
  --accent-100: #ccfbf1;
  --accent-200: #99f6e4;
  --accent-300: #5eead4;
  --accent-400: #2dd4bf;
  --accent-500: #14b8a6;
  --accent-600: #0d9488;
  --accent-700: #0f766e;
  --accent-800: #115e59;
  --accent-900: #134e4a;

  /* Slate Palette */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* Semantic Colors */
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --success-700: #15803d;
  --warning-50: #fffbeb;
  --warning-100: #fef3c7;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --error-50: #fef2f2;
  --error-100: #fee2e2;
  --error-500: #ef4444;
  --error-600: #dc2626;

  /* WhatsApp Brand */
  --whatsapp-400: #25d366;
  --whatsapp-500: #22c55e;
  --whatsapp-600: #128c7e;
  --whatsapp-700: #075e54;

  /* Typography */
  --font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  /* Line Heights */
  --leading-tight: 1.08;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.12em;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 24px 60px rgba(0, 0, 0, 0.12);
  --shadow-primary-lg: 0 8px 24px rgba(37, 99, 235, 0.2);
  --shadow-primary-xl: 0 16px 40px rgba(37, 99, 235, 0.25);
  --shadow-whatsapp: 0 8px 24px rgba(37, 211, 102, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-slower: 650ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-overlay: 400;
  --z-modal: 500;
  --z-mobile-menu: 500;
  --z-toast: 9999;
  --z-floating-btn: 900;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;

  /* Nav Height */
  --nav-height: 5rem;
}

/* ===================== RESET & BASE ===================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--slate-800);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background-color: var(--primary-100);
  color: var(--primary-900);
}

::-moz-selection {
  background-color: var(--primary-100);
  color: var(--primary-900);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

ul,
ol {
  list-style: none;
}

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--slate-100);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-300);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-400);
}

.dark-section::-webkit-scrollbar-track {
  background: var(--slate-800);
}

/* ===================== ANIMATIONS ===================== */
@keyframes pageIn {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes slideUp {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes scaleIn {
  0% {
    transform: scale(0.9);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes whatsappPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ===================== PAGE SECTIONS (SPA) ===================== */
.page-section {
  display: none;
  opacity: 0;
  transform: translateY(24px);
}

.page-section.active {
  display: block;
  animation: pageIn var(--transition-slower) forwards;
}

/* ===================== REVEAL ON SCROLL ===================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-d1 {
  transition-delay: 0.1s;
}

.reveal-d2 {
  transition-delay: 0.2s;
}

.reveal-d3 {
  transition-delay: 0.3s;
}

.reveal-d4 {
  transition-delay: 0.4s;
}

.reveal-d5 {
  transition-delay: 0.5s;
}

/* ===================== NAVIGATION ===================== */
.nav-glass {
  background: transparent;
  transition: all var(--transition-base);
}

.nav-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
}

.nav-link-t {
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--font-medium);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.nav-link-t:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-scrolled .nav-link-t {
  color: var(--slate-700);
  text-shadow: none;
}

.nav-scrolled .nav-link-t:hover {
  color: var(--primary-900);
  background: var(--primary-50);
}

.nav-text-c {
  color: #fff;
  transition: color var(--transition-base);
}

.nav-scrolled .nav-text-c {
  color: var(--slate-900);
}

.nav-sub-c {
  transition: color var(--transition-base);
}

.nav-scrolled .nav-sub-c {
  color: var(--slate-500);
}

.nav-icon-c {
  color: #fff;
  transition: color var(--transition-base);
}

.nav-scrolled .nav-icon-c {
  color: var(--slate-800);
}

/* ===================== DROPDOWN ===================== */
.dd-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
}

.dropdown:hover .dd-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===================== MOBILE MENU ===================== */
.mobile-menu {
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-overlay {
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ===================== HERO SECTION ===================== */
.hero-med {
  background: linear-gradient(
    135deg,
    var(--slate-900) 0%,
    var(--slate-800) 40%,
    var(--primary-900) 100%
  );
}

.hero-blur-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}

.hero-blur-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-500);
  top: -100px;
  right: -100px;
}

.hero-blur-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-500);
  bottom: -80px;
  left: -80px;
}

.hero-blur-orb-3 {
  width: 300px;
  height: 300px;
  background: #6366f1;
  top: 40%;
  left: 30%;
}

/* ===================== DOCTOR BLUR CARD ===================== */
.doctor-blur-card {
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-3xl);
  overflow: hidden;
}

.doctor-blur-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 40%,
    rgba(15, 23, 42, 0.7) 100%
  );
  z-index: 1;
}

.doctor-blur-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: brightness(0.9) contrast(1.05);
}

.doctor-blur-card .card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: var(--space-6);
}

/* ===================== SECTION LABEL ===================== */
.sec-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 11px;
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--primary-700);
  background: var(--primary-100);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-200);
}

/* ===================== CARDS ===================== */
.med-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.med-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(30, 64, 175, 0.08);
  border-color: var(--primary-200);
}

/* ===================== BLOG CARDS ===================== */
.blog-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: #fff;
  border: 1px solid var(--slate-200);
  transition: all var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
}

.blog-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent-500));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.blog-card:hover::after {
  transform: scaleX(1);
}

.blog-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.blog-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.3));
}

/* ===================== FLOATING ANIMATION ===================== */
.float-y {
  animation: floatY 4s ease-in-out infinite;
}

/* ===================== PULSE RING ===================== */
.pulse-ring {
  position: relative;
}

.pulse-ring::after {
  content: "";
  position: absolute;
  inset: -6px;
  border: 2px solid var(--primary-600);
  border-radius: 50%;
  animation: pulseRing 2s ease-out infinite;
}

/* ===================== GRADIENT TEXT ===================== */
.grad-text {
  background: linear-gradient(135deg, var(--primary-400), var(--accent-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ===================== STAT COUNTER ===================== */
.stat-num {
  font-variant-numeric: tabular-nums;
}

/* ===================== PROCEDURE TIMELINE ===================== */
.proc-step {
  position: relative;
  padding-left: 48px;
}

.proc-step::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 40px;
  bottom: -24px;
  width: 2px;
  background: var(--slate-200);
}

.proc-step:last-child::before {
  display: none;
}

.proc-dot {
  position: absolute;
  left: 8px;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-100);
  border: 3px solid var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
}

.proc-dot-inner {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-600);
}

/* ===================== FAQ ACCORDION ===================== */
.faq-item {
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--primary-200);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.3s ease;
}

.faq-answer.open {
  max-height: 500px;
}

.faq-icon {
  transition: transform 0.3s ease;
}

/* ===================== TOAST ===================== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-toast);
  padding: 16px 24px;
  border-radius: var(--radius-xl);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s ease;
  max-width: 420px;
  line-height: var(--leading-snug);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-ok {
  background: var(--accent-600);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
}

.toast-error {
  background: var(--error-600);
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3);
}

/* ===================== BACK TO TOP ===================== */
.back-to-top-btn {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  z-index: var(--z-floating-btn);
  width: 44px;
  height: 44px;
  background: var(--primary-700);
  color: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
}

.back-to-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top-btn:hover {
  background: var(--primary-800);
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

/* ===================== FLOATING WHATSAPP BUTTON ===================== */
.floating-whatsapp {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-floating-btn);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  pointer-events: none;
}

.floating-whatsapp > * {
  pointer-events: auto;
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp-400);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    var(--shadow-whatsapp),
    0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-base);
  animation: whatsappPulse 2s infinite;
  position: relative;
}

.whatsapp-btn:hover {
  background: var(--whatsapp-600);
  transform: scale(1.08);
  animation: none;
  box-shadow:
    0 8px 30px rgba(37, 211, 102, 0.4),
    0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-btn svg {
  width: 30px;
  height: 30px;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  color: var(--slate-800);
  padding: 8px 14px;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #fff;
  border-right: none;
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* ===================== FLOATING BOOKING BUTTON ===================== */
.booking-float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    var(--shadow-primary-lg),
    0 4px 12px rgba(0, 0, 0, 0.12);
  transition: all var(--transition-base);
}

.booking-float-btn:hover {
  background: var(--primary-700);
  transform: scale(1.08);
  box-shadow: var(--shadow-primary-xl);
}

.booking-float-btn svg {
  width: 24px;
  height: 24px;
}

/* ===================== PREMIUM BOOKING MODAL ===================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-overlay);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.booking-modal {
  background: #fff;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  border-radius: var(--radius-3xl) var(--radius-3xl) 0 0;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform var(--transition-slower);
  display: flex;
  flex-direction: column;
}

.modal-overlay.open .booking-modal {
  transform: translateY(0);
}

.modal-header {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
  padding: var(--space-6) var(--space-8);
  color: #fff;
  position: relative;
  flex-shrink: 0;
}

.modal-header::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: linear-gradient(to bottom, rgba(37, 99, 235, 0.08), transparent);
  pointer-events: none;
}

.modal-close-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--space-8) var(--space-8) var(--space-10);
  overflow-y: auto;
  flex: 1;
}

.modal-body::-webkit-scrollbar {
  width: 4px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--slate-200);
  border-radius: 2px;
}

/* ===================== PREMIUM FORM STYLES ===================== */
.premium-form-group {
  margin-bottom: var(--space-5);
}

.premium-form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-semibold);
  color: var(--slate-700);
  margin-bottom: var(--space-1.5);
  letter-spacing: var(--tracking-tight);
}

.premium-form-label .required {
  color: var(--error-500);
  margin-left: 2px;
}

.premium-form-input,
.premium-form-select,
.premium-form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  color: var(--slate-800);
  background: var(--slate-50);
  transition: all var(--transition-fast);
}

.premium-form-input::placeholder,
.premium-form-textarea::placeholder {
  color: var(--slate-400);
}

.premium-form-input:hover,
.premium-form-select:hover,
.premium-form-textarea:hover {
  border-color: var(--slate-300);
  background: #fff;
}

.premium-form-input:focus,
.premium-form-select:focus,
.premium-form-textarea:focus {
  border-color: var(--primary-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.premium-form-input.error,
.premium-form-select.error,
.premium-form-textarea.error {
  border-color: var(--error-500);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

.premium-form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.premium-form-select option {
  color: var(--slate-800);
  background: #fff;
}

.premium-form-textarea {
  resize: none;
  line-height: var(--leading-relaxed);
}

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

.premium-form-error-msg {
  font-size: 12px;
  color: var(--error-500);
  margin-top: 4px;
  display: none;
}

.premium-form-error-msg.visible {
  display: block;
}

.premium-form-hint {
  font-size: 12px;
  color: var(--slate-400);
  margin-top: 4px;
}

/* File Upload Zone */
.upload-zone {
  border: 2px dashed var(--slate-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--slate-50);
  position: relative;
}

.upload-zone:hover {
  border-color: var(--primary-300);
  background: var(--primary-50);
}

.upload-zone.has-file {
  border-color: var(--success-500);
  background: var(--success-50);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-zone-icon {
  color: var(--slate-300);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.upload-zone:hover .upload-zone-icon {
  color: var(--primary-400);
}

.upload-zone-text {
  font-size: var(--font-size-sm);
  color: var(--slate-500);
}

.upload-zone-subtext {
  font-size: 12px;
  color: var(--slate-400);
  margin-top: var(--space-1);
}

.upload-zone-filename {
  font-size: var(--font-size-sm);
  color: var(--success-700);
  font-weight: var(--font-semibold);
  display: none;
  align-items: center;
  gap: var(--space-2);
}

.upload-zone.has-file .upload-zone-filename {
  display: flex;
}

.upload-zone.has-file .upload-zone-text,
.upload-zone.has-file .upload-zone-subtext,
.upload-zone.has-file .upload-zone-icon {
  display: none;
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: var(--space-3);
}

.radio-option {
  flex: 1;
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-option label {
  display: block;
  padding: 10px 16px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-xl);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-medium);
  color: var(--slate-600);
  background: var(--slate-50);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-option input[type="radio"]:checked + label {
  border-color: var(--primary-500);
  background: var(--primary-50);
  color: var(--primary-700);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.radio-option label:hover {
  border-color: var(--slate-300);
  background: #fff;
}

/* Checkbox */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary-600);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group-text {
  font-size: var(--font-size-xs);
  color: var(--slate-500);
  line-height: var(--leading-snug);
}

.checkbox-group-text a {
  color: var(--primary-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.checkbox-group-text a:hover {
  color: var(--primary-700);
}

/* Form Divider */
.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.form-divider::before,
.form-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--slate-200);
}

.form-divider span {
  font-size: 11px;
  font-weight: var(--font-semibold);
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  white-space: nowrap;
}

/* Submit Button */
.premium-submit-btn {
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-bold);
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-primary-lg);
  letter-spacing: var(--tracking-wide);
  position: relative;
  overflow: hidden;
}

.premium-submit-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.premium-submit-btn:hover::before {
  opacity: 1;
  animation: shimmer 1.5s ease infinite;
}

.premium-submit-btn:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
  box-shadow: var(--shadow-primary-xl);
  transform: translateY(-1px);
}

.premium-submit-btn:active {
  transform: translateY(0);
}

.premium-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.premium-submit-btn .btn-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ===================== FORM SECTION HEADING ===================== */
.form-section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-bold);
  color: var(--slate-800);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--primary-100);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-section-title svg {
  width: 16px;
  height: 16px;
  color: var(--primary-600);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .premium-form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .koushik-pad {
    padding: 20px !important;
  }

  .hero-blur-orb {
    filter: blur(60px);
    opacity: 0.15;
  }

  .floating-whatsapp {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .whatsapp-btn {
    width: 54px;
    height: 54px;
  }

  .whatsapp-btn svg {
    width: 26px;
    height: 26px;
  }

  .booking-float-btn {
    width: 48px;
    height: 48px;
  }

  .booking-float-btn svg {
    width: 22px;
    height: 22px;
  }

  .booking-modal {
    max-height: 95vh;
  }

  .modal-header {
    padding: var(--space-5) var(--space-6);
  }

  .modal-body {
    padding: var(--space-6) var(--space-6) var(--space-8);
  }

  .whatsapp-tooltip {
    display: none;
  }

  .back-to-top-btn {
    bottom: var(--space-4);
    left: var(--space-4);
    width: 40px;
    height: 40px;
  }

  .radio-group {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .modal-body {
    padding: var(--space-5) var(--space-5) var(--space-6);
  }

  .premium-form-input,
  .premium-form-select,
  .premium-form-textarea {
    padding: 10px 14px;
  }
}

/* ===================== PRINT STYLES ===================== */
@media print {
  .floating-whatsapp,
  .back-to-top-btn,
  .nav-glass,
  .mobile-menu,
  .mobile-overlay,
  .toast,
  .modal-overlay {
    display: none !important;
  }

  .page-section {
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ===================== REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .float-y {
    animation: none;
  }

  .whatsapp-btn {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===================== UTILITY CLASSES ===================== */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===================== VIDEO SCROLLER ===================== */
.video-scroller {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 12px;
  margin: 0 calc(-1 * var(--container-padding, 1.5rem));
  padding-left: var(--container-padding, 1.5rem);
  padding-right: var(--container-padding, 1.5rem);
  /* padding-right: calc(10% + var(--container-padding, 1.5rem)); */
}

.video-scroller::-webkit-scrollbar {
  height: 4px;
}

.video-scroller::-webkit-scrollbar-track {
  background: var(--slate-100);
  border-radius: 2px;
}

.video-scroller::-webkit-scrollbar-thumb {
  background: var(--primary-300);
  border-radius: 2px;
}

.video-scroller::-webkit-scrollbar-thumb:hover {
  background: var(--primary-400);
}

.video-card {
  flex: 0 0 calc((100% - 60px) / 4);
  min-width: 0;
  scroll-snap-align: start;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 0px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--slate-900);
  cursor: pointer;
  border: 2px solid var(--slate-200);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.video-wrapper:hover {
  border-color: var(--primary-300);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.12);
}

.video-wrapper video {
  position: relative !important;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all var(--transition-base);
  border: 2px solid rgba(255, 255, 255, 0.25);
}

.video-play-btn svg {
  margin-left: 3px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.video-wrapper:hover .video-play-btn {
  background: var(--primary-600);
  border-color: var(--primary-400);
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

.video-wrapper.playing .video-play-btn {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.video-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 32px 16px 14px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.video-wrapper:hover .video-card-label {
  opacity: 1;
}

/* Mobile: 1 full + peek */
@media (max-width: 1023px) {
  .video-card {
    flex: 0 0 90%;
  }

  .video-scroller {
    padding-right: calc(10% + var(--container-padding, 1.5rem));
  }
}

@media (max-width: 640px) {
  .video-play-btn {
    width: 54px;
    height: 54px;
  }

  .video-play-btn svg {
    width: 32px;
    height: 32px;
  }
}

/* Dark section variant scrollbar */
.video-scroller.dark-scroller::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.08);
}

.video-scroller.dark-scroller::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.4);
}

/* ===================== DROPDOWN CLOSE STATE ===================== */
.dd-menu.dd-closed {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
}

.dropdown:hover .dd-menu.dd-closed {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Image gallry home page */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-g-item{border-radius:16px;overflow:hidden;aspect-ratio:1;background:var(--slate-100)}
.gallery-g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery-g-item:hover img{transform:scale(1.06)}
@media(max-width:767px){.gallery-grid{grid-template-columns:repeat(2,1fr);gap:10px}}
@media(max-width:380px){.gallery-grid{grid-template-columns:repeat(2,1fr);gap:10px}}

/* KOUSHIK EXTRA */
.doctor-blur-card {
  height: auto !important;
}