/* =============================================
   R SQUARE DIAGNOSTICS — Premium Healthcare Brand
   Luxury Edition | Inspired by Apollo, Vijaya, AIG
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --primary: #0F4C81;
  --primary-light: #1A6BB5;
  --primary-dark: #0B1B2B;
  --secondary: #00A8A8;
  --accent: #17D4D4;
  --accent-light: #E0F7F7;
  --bg: #F8FBFD;
  --white: #FFFFFF;
  --text: #1E293B;
  --text-light: #64748B;
  --border: rgba(15,76,129,0.08);
  --shadow-sm: 0 2px 8px rgba(15,76,129,0.06);
  --shadow-md: 0 8px 30px rgba(15,76,129,0.08);
  --shadow-lg: 0 20px 60px rgba(15,76,129,0.12);
  --shadow-xl: 0 30px 80px rgba(15,76,129,0.15);
  --glass: rgba(255,255,255,0.15);
  --glass-border: rgba(255,255,255,0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-primary: 'Poppins', sans-serif;
  --font-heading: 'Inter', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-heading);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a {
  text-decoration: none;
  transition: color 0.3s ease;
}

/* =============================================
   1. PREMIUM TYPOGRAPHY
   ============================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 { font-size: 64px; line-height: 1.1; }
h2 { font-size: 42px; line-height: 1.2; }
h3 { font-size: 28px; line-height: 1.3; }
h4 { font-size: 22px; line-height: 1.35; }
h5 { font-size: 18px; line-height: 1.4; }
h6 { font-size: 15px; line-height: 1.45; }

p {
  font-family: var(--font-heading);
  line-height: 1.7;
  color: var(--text-light);
}

/* =============================================
   2. STICKY HEADER — Transparent to Solid
   ============================================= */

.sis-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 16px 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}

.sis-header .navbar-brand img {
  max-height: 52px;
  transition: all 0.4s ease;
}

.sis-header-scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
}

.sis-header-scrolled .navbar-brand img {
  max-height: 44px;
}

/* =============================================
   3. FULLSCREEN PREMIUM HERO
   ============================================= */

.sis-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--secondary) 100%);
}

.sis-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 600px at 10% 30%, rgba(23,212,212,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 90% 70%, rgba(26,107,181,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 50% 50%, rgba(0,168,168,0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.sis-hero .container {
  position: relative;
  z-index: 3;
}

.sis-hero-content {
  max-width: 640px;
}

.sis-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 28px;
  font-family: var(--font-heading);
}

.sis-hero-badge i {
  font-size: 14px;
  color: var(--accent);
}

.sis-hero-headline {
  font-size: 64px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 20px;
  font-family: var(--font-primary);
  letter-spacing: -0.03em;
}

.sis-hero-headline .sis-highlight {
  background: linear-gradient(135deg, var(--white) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sis-hero-subheadline {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 540px;
  font-weight: 300;
}

.sis-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.sis-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  transition: all 0.3s ease;
  font-family: var(--font-heading);
  box-shadow: 0 4px 20px rgba(15,76,129,0.3);
  cursor: pointer;
}

.sis-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(15,76,129,0.4);
  color: var(--white);
  background: var(--primary-light);
}

.sis-btn-primary i {
  transition: transform 0.3s ease;
  font-size: 14px;
}

.sis-btn-primary:hover i {
  transform: translateX(5px);
}

.sis-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--white);
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  transition: all 0.3s ease;
  font-family: var(--font-heading);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  cursor: pointer;
}

.sis-btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  color: var(--primary);
}

.sis-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 35px;
  background: transparent;
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.3);
  transition: all 0.3s ease;
  font-family: var(--font-heading);
  cursor: pointer;
}

.sis-btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  color: var(--white);
  transform: translateY(-2px);
}

/* Hero Right Side — Glass Card & Floating Elements */

.sis-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.sis-hero-glass-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 360px;
  width: 100%;
  animation: sis-float 6s ease-in-out infinite;
}

.sis-hero-glass-card .sis-glass-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sis-hero-glass-card .sis-glass-stat:last-child {
  border-bottom: none;
}

.sis-hero-glass-card .sis-glass-stat-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
}

.sis-hero-glass-card .sis-glass-stat-text {
  color: var(--white);
}

.sis-hero-glass-card .sis-glass-stat-text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-primary);
}

.sis-hero-glass-card .sis-glass-stat-text span {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* Floating Service Badges */

.sis-float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-heading);
  pointer-events: none;
}

.sis-float-badge i {
  font-size: 16px;
  color: var(--accent);
}

.sis-float-badge-1 {
  top: 10%;
  right: 5%;
  animation: sis-float 7s ease-in-out infinite;
}

.sis-float-badge-2 {
  bottom: 20%;
  right: 15%;
  animation: sis-float 8s ease-in-out infinite 1s;
}

.sis-float-badge-3 {
  top: 30%;
  right: -5%;
  animation: sis-float 6s ease-in-out infinite 2s;
}

/* Hero Floating Orbs */

.sis-hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

.sis-hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,168,168,0.08) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: sis-rotate-slow 40s linear infinite;
}

.sis-hero-orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(23,212,212,0.06) 0%, transparent 70%);
  bottom: -100px;
  left: 10%;
  animation: sis-rotate-slow 30s linear infinite reverse;
}

.sis-hero-orb-3 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  top: 40%;
  left: 55%;
  animation: sis-float 10s ease-in-out infinite;
}

/* Scroll Indicator */

.sis-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: var(--font-heading);
  animation: sis-fadeInUp 1s ease 0.5s both;
}

.sis-scroll-indicator .sis-scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}

.sis-scroll-indicator .sis-scroll-mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
  animation: sis-scroll-anim 2s ease-in-out infinite;
}

@keyframes sis-scroll-anim {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* =============================================
   4. GLASSMORPHISM UTILITIES
   ============================================= */

.sis-glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.sis-glass-dark {
  background: rgba(11,27,43,0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
}

/* =============================================
   5. PREMIUM SECTION TITLES
   ============================================= */

.sis-section-header {
  margin-bottom: 56px;
}

.sis-section-header.text-center {
  text-align: center;
}

.sis-section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--secondary);
  margin-bottom: 14px;
  font-family: var(--font-heading);
  position: relative;
}

.sis-section-label::before,
.sis-section-label::after {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

.sis-section-label::after {
  order: 1;
}

.text-center .sis-section-label::before,
.text-center .sis-section-label::after {
  width: 40px;
}

.sis-section-heading {
  font-size: 42px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  font-family: var(--font-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.sis-section-heading .sis-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sis-section-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-light);
  max-width: 600px;
}

.text-center .sis-section-sub {
  margin-left: auto;
  margin-right: auto;
}

/* Dark Section Title Variant */

.sis-section-dark .sis-section-heading {
  color: var(--white);
}

.sis-section-dark .sis-section-sub {
  color: rgba(255,255,255,0.7);
}

.sis-section-dark .sis-section-label {
  color: var(--accent);
}

.sis-section-dark .sis-section-label::before,
.sis-section-dark .sis-section-label::after {
  background: var(--accent);
}

/* =============================================
   6. SECTION SPACING
   ============================================= */

.sis-section {
  padding: 110px 0;
}

.sis-section-sm {
  padding: 70px 0;
}

.sis-section-lg {
  padding: 140px 0;
}

/* =============================================
   7. MICRO-INTERACTIONS & HOVER EFFECTS
   ============================================= */

.sis-hover-lift {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.sis-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.sis-hover-scale {
  overflow: hidden;
}

.sis-hover-scale img {
  transition: transform 0.6s ease;
}

.sis-hover-scale:hover img {
  transform: scale(1.05);
}

.sis-hover-glow {
  transition: all 0.3s ease;
}

.sis-hover-glow:hover {
  box-shadow: 0 0 30px rgba(15,76,129,0.15);
  transform: translateY(-2px);
}

.sis-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
  transition: gap 0.3s ease;
}

.sis-link-arrow:hover {
  gap: 14px;
  color: var(--secondary);
}

/* =============================================
   8. PREMIUM CARDS
   ============================================= */

.sis-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 30px;
  height: calc(100% - 30px);
}

.sis-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.sis-card .sis-card-img {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.sis-card .sis-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.sis-card:hover .sis-card-img img {
  transform: scale(1.1);
}

.sis-card .sis-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,27,43,0.6) 100%);
  z-index: 1;
}

.sis-card .sis-card-icon {
  position: absolute;
  bottom: 18px;
  left: 22px;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
}

.sis-card .sis-card-body {
  padding: 28px 24px;
}

.sis-card .sis-card-body h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  font-family: var(--font-primary);
}

.sis-card .sis-card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 18px;
}

.sis-card .sis-card-body .sis-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}

.sis-card .sis-card-body .sis-card-link:hover {
  gap: 12px;
  color: var(--secondary);
}

/* Department Card Variant */

.sis-dept-card {
  border-radius: 20px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 30px;
  position: relative;
}

.sis-dept-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.sis-dept-card .sis-dept-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.sis-dept-card .sis-dept-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.sis-dept-card:hover .sis-dept-img img {
  transform: scale(1.1);
}

.sis-dept-card .sis-dept-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,27,43,0.65) 100%);
  z-index: 1;
}

.sis-dept-card .sis-dept-badge {
  position: absolute;
  bottom: 18px;
  left: 22px;
  z-index: 2;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--white);
  transition: all 0.3s ease;
}

.sis-dept-card:hover .sis-dept-badge {
  background: var(--secondary);
  transform: rotate(-5deg) scale(1.08);
}

.sis-dept-card .sis-dept-body {
  padding: 24px;
}

.sis-dept-card .sis-dept-body h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  font-family: var(--font-primary);
}

.sis-dept-card .sis-dept-body p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}

/* Doctor Card */

.sis-doctor-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 30px;
  text-align: center;
}

.sis-doctor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.sis-doctor-card .sis-doctor-img-wrap {
  position: relative;
  overflow: hidden;
}

.sis-doctor-card .sis-doctor-img-wrap img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.sis-doctor-card:hover .sis-doctor-img-wrap img {
  transform: scale(1.05);
}

.sis-doctor-card .sis-doctor-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11,27,43,0.6) 100%);
  z-index: 1;
}

.sis-doctor-card .sis-doctor-socials {
  position: absolute;
  bottom: 18px;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.3s ease;
}

.sis-doctor-card:hover .sis-doctor-socials {
  opacity: 1;
  transform: translateY(0);
}

.sis-doctor-card .sis-doctor-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  transition: all 0.3s ease;
}

.sis-doctor-card .sis-doctor-socials a:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
}

.sis-doctor-card .sis-doctor-body {
  padding: 24px;
}

.sis-doctor-card .sis-doctor-body h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  font-family: var(--font-primary);
}

.sis-doctor-card .sis-doctor-body .sis-doctor-cred {
  font-size: 14px;
  color: var(--secondary);
  font-weight: 500;
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-heading);
}

.sis-doctor-card .sis-doctor-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Value / Core Card */

.sis-value-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 30px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.sis-value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.sis-value-card:hover::before {
  transform: scaleX(1);
}

.sis-value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.sis-value-card .sis-value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  background: var(--accent-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--secondary);
  transition: all 0.4s ease;
}

.sis-value-card:hover .sis-value-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.1) rotate(-5deg);
  border-radius: 50%;
}

.sis-value-card h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  font-family: var(--font-primary);
}

.sis-value-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* =============================================
   9. TRUST BAR
   ============================================= */

.sis-trust-bar {
  padding: 60px 0;
}

.sis-trust-item {
  text-align: center;
  padding: 20px 16px;
  transition: transform 0.3s ease;
}

.sis-trust-item:hover {
  transform: translateY(-4px);
}

.sis-trust-item .sis-trust-icon {
  font-size: 36px;
  color: var(--secondary);
  margin-bottom: 16px;
  display: block;
  transition: transform 0.3s ease;
}

.sis-trust-item:hover .sis-trust-icon {
  transform: scale(1.15);
}

.sis-trust-item .sis-trust-number {
  font-size: 44px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  font-family: var(--font-primary);
  display: block;
}

.sis-trust-item .sis-trust-number .sis-prefix,
.sis-trust-item .sis-trust-number .sis-suffix {
  font-size: 28px;
  color: var(--secondary);
}

.sis-trust-item .sis-trust-label {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 8px;
  display: block;
  font-family: var(--font-heading);
}

/* Trust Bar Dark Variant */

.sis-trust-bar-dark {
  background: var(--primary-dark);
}

.sis-trust-bar-dark .sis-trust-number {
  color: var(--white);
}

.sis-trust-bar-dark .sis-trust-label {
  color: rgba(255,255,255,0.7);
}

.sis-trust-bar-dark .sis-trust-icon {
  color: var(--accent);
}

/* =============================================
   10. STATS / COUNTERS SECTION
   ============================================= */

.sis-stats-wrap {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--secondary));
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.sis-stats-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 40%, rgba(23,212,212,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(15,76,129,0.2) 0%, transparent 50%);
  pointer-events: none;
}

.sis-stat-item {
  text-align: center;
  padding: 24px 16px;
  position: relative;
  z-index: 1;
}

.sis-stat-item .sis-stat-icon {
  font-size: 36px;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.sis-stat-item .sis-stat-number {
  font-size: 52px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  font-family: var(--font-primary);
  display: block;
  margin-bottom: 6px;
}

.sis-stat-item .sis-stat-number .sis-counter-prefix,
.sis-stat-item .sis-stat-number .sis-counter-suffix {
  font-size: 34px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sis-stat-item .sis-stat-label {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sis-stat-divider {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.1);
}

/* =============================================
   11. TESTIMONIAL CARDS
   ============================================= */

.sis-testimonial-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
  position: relative;
  margin-bottom: 30px;
  transition: all 0.4s ease;
}

.sis-testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.sis-testimonial-card .sis-quote-icon {
  font-size: 64px;
  color: var(--primary);
  opacity: 0.06;
  position: absolute;
  top: 24px;
  right: 28px;
  line-height: 1;
  font-family: Georgia, serif;
  pointer-events: none;
}

.sis-testimonial-card .sis-testi-stars {
  color: #F59E0B;
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 3px;
}

.sis-testimonial-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 24px;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.sis-testimonial-card .sis-testi-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.sis-testimonial-card .sis-testi-author img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--secondary);
}

.sis-testimonial-card .sis-testi-author .sis-testi-info strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  font-family: var(--font-primary);
}

.sis-testimonial-card .sis-testi-author .sis-testi-info span {
  font-size: 13px;
  color: var(--text-light);
  font-family: var(--font-heading);
}

/* Glass testimonial variant for dark backgrounds */

.sis-testimonial-glass {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
}

.sis-testimonial-glass p {
  color: rgba(255,255,255,0.85);
}

.sis-testimonial-glass .sis-testi-author {
  border-top-color: rgba(255,255,255,0.1);
}

.sis-testimonial-glass .sis-testi-author .sis-testi-info strong {
  color: var(--white);
}

.sis-testimonial-glass .sis-testi-author .sis-testi-info span {
  color: rgba(255,255,255,0.6);
}

.sis-testimonial-glass .sis-quote-icon {
  color: var(--white);
  opacity: 0.08;
}

/* =============================================
   12. FAQ ACCORDION
   ============================================= */

.sis-faq .accordion-item {
  border: none;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

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

.sis-faq .accordion-button {
  font-family: var(--font-primary);
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  background: var(--white);
  padding: 22px 28px;
  border: none;
  box-shadow: none;
  border-radius: var(--radius-md) !important;
  position: relative;
}

.sis-faq .accordion-button:not(.collapsed) {
  background: var(--white);
  color: var(--primary);
  box-shadow: none;
}

.sis-faq .accordion-button::after {
  content: '+';
  background: none;
  font-size: 24px;
  font-weight: 300;
  color: var(--primary);
  width: auto;
  height: auto;
  transition: transform 0.3s ease;
  font-family: var(--font-primary);
  line-height: 1;
}

.sis-faq .accordion-button:not(.collapsed)::after {
  content: '−';
  transform: none;
}

.sis-faq .accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.sis-faq .accordion-body {
  padding: 0 28px 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
}

/* =============================================
   13. CTA SECTION
   ============================================= */

.sis-cta {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 90px 0;
  position: relative;
  overflow: hidden;
  color: var(--white);
}

.sis-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 70%, rgba(255,255,255,0.06) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(0,168,168,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.sis-cta::after {
  content: '\2665';
  position: absolute;
  font-size: 400px;
  opacity: 0.03;
  bottom: -100px;
  right: -60px;
  line-height: 1;
  color: var(--white);
  font-family: Georgia, serif;
  pointer-events: none;
}

.sis-cta .container {
  position: relative;
  z-index: 2;
}

.sis-cta h2 {
  color: var(--white);
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  font-family: var(--font-primary);
}

.sis-cta p {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 600px;
}

.sis-cta.text-center p {
  margin-left: auto;
  margin-right: auto;
}

.sis-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.sis-cta.text-center .sis-cta-actions {
  justify-content: center;
}

/* =============================================
   14. BLOG CARDS
   ============================================= */

.sis-blog-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 30px;
}

.sis-blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.sis-blog-card .sis-blog-img {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.sis-blog-card .sis-blog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.sis-blog-card:hover .sis-blog-img img {
  transform: scale(1.08);
}

.sis-blog-card .sis-blog-img .sis-blog-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  background: var(--secondary);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: 50px;
  font-family: var(--font-heading);
}

.sis-blog-card .sis-blog-body {
  padding: 24px;
}

.sis-blog-card .sis-blog-body .sis-blog-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
  font-family: var(--font-heading);
}

.sis-blog-card .sis-blog-body .sis-blog-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sis-blog-card .sis-blog-body .sis-blog-meta i {
  color: var(--secondary);
  font-size: 13px;
}

.sis-blog-card .sis-blog-body h4 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 10px;
  font-family: var(--font-primary);
}

.sis-blog-card .sis-blog-body h4 a {
  color: var(--text);
  transition: color 0.3s ease;
}

.sis-blog-card .sis-blog-body h4 a:hover {
  color: var(--primary);
}

.sis-blog-card .sis-blog-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 18px;
}

/* Featured Blog Card */

.sis-blog-featured {
  display: flex;
  flex-direction: row;
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 30px;
}

.sis-blog-featured .sis-blog-img {
  flex: 0 0 50%;
  height: auto;
  min-height: 360px;
}

.sis-blog-featured .sis-blog-body {
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sis-blog-featured .sis-blog-body h4 {
  font-size: 26px;
}

/* =============================================
   15. GALLERY GRID
   ============================================= */

.sis-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.sis-gallery.sis-gallery-masonry {
  grid-template-columns: repeat(3, 1fr);
}

.sis-gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.sis-gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.sis-gallery-item:hover img {
  transform: scale(1.08);
}

.sis-gallery-item .sis-gallery-overlay {
    display: none;
}

.sis-gallery-item:hover .sis-gallery-overlay {
  opacity: 1;
}

.sis-gallery-item .sis-gallery-overlay .sis-gallery-title {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-primary);
  transform: translateY(10px);
  transition: transform 0.3s ease;
}

.sis-gallery-item:hover .sis-gallery-overlay .sis-gallery-title {
  transform: translateY(0);
}

.sis-gallery-item .sis-gallery-overlay a {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  transition: all 0.3s ease;
  border: 1px solid var(--glass-border);
}

.sis-gallery-item .sis-gallery-overlay a:hover {
  background: var(--white);
  color: var(--primary);
  transform: scale(1.1);
}

.sis-gallery-item.sis-gallery-tall {
  grid-row: span 2;
}

.sis-gallery-item.sis-gallery-tall img {
  height: 576px;
}

.sis-gallery-item.sis-gallery-wide {
  grid-column: span 2;
}

/* Filter Buttons */

.sis-filter-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.sis-filter-btn {
  padding: 10px 26px;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all 0.3s ease;
  line-height: 1.4;
}

.sis-filter-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.sis-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(15,76,129,0.25);
}

/* =============================================
   16. CONTACT CARDS
   ============================================= */

.sis-contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.sis-contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.sis-contact-card .sis-contact-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--secondary);
  transition: all 0.3s ease;
}

.sis-contact-card:hover .sis-contact-icon {
  background: var(--primary);
  color: var(--white);
}

.sis-contact-card .sis-contact-text h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  font-family: var(--font-primary);
}

.sis-contact-card .sis-contact-text p,
.sis-contact-card .sis-contact-text a {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.6;
  display: block;
}

.sis-contact-card .sis-contact-text a {
  transition: color 0.3s ease;
}

.sis-contact-card .sis-contact-text a:hover {
  color: var(--primary);
}

/* =============================================
   17. FORM ELEMENTS
   ============================================= */

.sis-form-group {
  margin-bottom: 22px;
  position: relative;
}

.sis-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  font-family: var(--font-heading);
}

.sis-form-control {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-heading);
  color: var(--text);
  background: var(--white);
  transition: all 0.3s ease;
  outline: none;
}

.sis-form-control::placeholder {
  color: var(--text-light);
  opacity: 0.6;
}

.sis-form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,76,129,0.08);
}

.sis-form-control.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.08);
}

.sis-form-control.success {
  border-color: #10B981;
  box-shadow: 0 0 0 3px rgba(16,185,129,0.08);
}

textarea.sis-form-control {
  min-height: 130px;
  resize: vertical;
}

select.sis-form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.sis-form-feedback {
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.sis-form-feedback.error {
  color: #EF4444;
}

.sis-form-feedback.success {
  color: #10B981;
}

.sis-form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  cursor: pointer;
}

.sis-form-check input[type="checkbox"],
.sis-form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.sis-form-check label {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-light);
  margin-bottom: 0;
  cursor: pointer;
}

/* Floating Label Variant */

.sis-form-floating {
  position: relative;
}

.sis-form-floating .sis-form-control {
  padding: 20px 16px 8px;
  height: 60px;
}

.sis-form-floating label {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-light);
  margin-bottom: 0;
  transition: all 0.2s ease;
  pointer-events: none;
  padding: 0 4px;
  opacity: 0.7;
}

.sis-form-floating .sis-form-control:focus ~ label,
.sis-form-floating .sis-form-control:not(:placeholder-shown) ~ label {
  top: 12px;
  transform: translateY(0);
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  opacity: 1;
}

.sis-form-floating textarea.sis-form-control {
  height: auto;
  min-height: 120px;
  padding-top: 28px;
}

.sis-form-floating textarea.sis-form-control ~ label {
  top: 20px;
  transform: none;
}

.sis-form-floating textarea.sis-form-control:focus ~ label,
.sis-form-floating textarea.sis-form-control:not(:placeholder-shown) ~ label {
  top: 10px;
  transform: none;
}

/* =============================================
   18. FLOATING WHATSAPP BUTTON
   ============================================= */

.sis-whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  z-index: 999;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  transition: all 0.3s ease;
  animation: sis-pulse-whatsapp 2.5s infinite;
  text-decoration: none;
}

.sis-whatsapp-float:hover {
  background: #1DA851;
  color: var(--white);
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 10px 36px rgba(37,211,102,0.5);
}

@keyframes sis-pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 18px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.sis-whatsapp-float .sis-whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary-dark);
  color: var(--white);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  font-family: var(--font-heading);
}

.sis-whatsapp-float:hover .sis-whatsapp-tooltip {
  opacity: 1;
  right: 76px;
}

.sis-whatsapp-float .sis-whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--primary-dark);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* =============================================
   19. BACK TO TOP
   ============================================= */

.sis-back-to-top {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 998;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  border: none;
}

.sis-back-to-top.sis-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sis-back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--primary-light);
  color: var(--white);
}

/* =============================================
   20. PRELOADER
   ============================================= */

.sis-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.sis-preloader.sis-hidden {
  opacity: 0;
  visibility: hidden;
}

.sis-preloader .sis-preloader-inner {
  text-align: center;
}

.sis-preloader .sis-preloader-logo {
  max-width: 180px;
  margin-bottom: 24px;
  animation: sis-bounce-in 1s ease forwards;
}

.sis-preloader .sis-preloader-logo img {
  width: 100%;
  height: auto;
}

.sis-preloader .sis-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: sis-spin 0.8s linear infinite;
  margin: 0 auto;
}

.sis-preloader .sis-preloader-text {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  margin-top: 16px;
  font-family: var(--font-heading);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* =============================================
   21. FOOTER
   ============================================= */

.sis-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  position: relative;
}

.sis-footer-top {
  padding: 80px 0 40px;
}

.sis-footer h5 {
  color: var(--white);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 22px;
  font-family: var(--font-primary);
  position: relative;
  padding-bottom: 14px;
}

.sis-footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

.sis-footer p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.sis-footer a {
  color: rgba(255,255,255,0.6);
  transition: color 0.3s ease;
}

.sis-footer a:hover {
  color: var(--accent);
}

.sis-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sis-footer-links li {
  margin-bottom: 10px;
}

.sis-footer-links li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s ease;
}

.sis-footer-links li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.sis-footer-links li a i {
  font-size: 10px;
  color: var(--secondary);
}

.sis-footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sis-footer-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.sis-footer-contact li i {
  color: var(--secondary);
  font-size: 16px;
  margin-top: 3px;
  min-width: 18px;
}

.sis-footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.sis-footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  transition: all 0.3s ease;
}

.sis-footer-socials a:hover {
  background: var(--secondary);
  color: var(--white);
  transform: translateY(-3px);
}

.sis-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  text-align: center;
}

.sis-footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0;
}

.sis-footer-bottom a {
  color: var(--secondary);
  font-weight: 500;
}

/* =============================================
   22. ANIMATIONS & KEYFRAMES
   ============================================= */

@keyframes sis-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes sis-rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes sis-fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sis-fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes sis-fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes sis-scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes sis-slideInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sis-slideInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sis-bounce-in {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

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

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

@keyframes sis-pulse {
  0% { box-shadow: 0 0 0 0 rgba(23,212,212,0.4); }
  70% { box-shadow: 0 0 0 16px rgba(23,212,212,0); }
  100% { box-shadow: 0 0 0 0 rgba(23,212,212,0); }
}

/* Animation Utility Classes */

.sis-animated {
  animation-duration: 0.8s;
  animation-fill-mode: both;
}

.sis-fadeInUp { animation-name: sis-fadeInUp; }
.sis-fadeInLeft { animation-name: sis-fadeInLeft; }
.sis-fadeInRight { animation-name: sis-fadeInRight; }
.sis-scaleIn { animation-name: sis-scaleIn; }
.sis-slideInDown { animation-name: sis-slideInDown; }
.sis-slideInUp { animation-name: sis-slideInUp; }
.sis-bounce-in { animation-name: sis-bounce-in; }

/* =============================================
   23. UTILITY CLASSES
   ============================================= */

.sis-gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sis-section-dark {
  background: var(--primary-dark);
}

.sis-section-light {
  background: var(--accent-light);
}

.sis-section-bg {
  background: var(--bg);
}

.sis-rounded-full {
  border-radius: 50px;
}

.sis-shadow-sm { box-shadow: var(--shadow-sm); }
.sis-shadow-md { box-shadow: var(--shadow-md); }
.sis-shadow-lg { box-shadow: var(--shadow-lg); }
.sis-shadow-xl { box-shadow: var(--shadow-xl); }

.sis-text-primary { color: var(--primary); }
.sis-text-secondary { color: var(--secondary); }
.sis-text-accent { color: var(--accent); }
.sis-text-light { color: var(--text-light); }
.sis-text-white { color: var(--white); }

/* Reveal Animations (Intersection Observer) */

.sis-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.sis-reveal.sis-revealed {
  opacity: 1;
  transform: translateY(0);
}

.sis-reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.sis-reveal-left.sis-revealed {
  opacity: 1;
  transform: translateX(0);
}

.sis-reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.sis-reveal-right.sis-revealed {
  opacity: 1;
  transform: translateX(0);
}

.sis-reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.sis-reveal-scale.sis-revealed {
  opacity: 1;
  transform: scale(1);
}

/* Skeleton Loading */

.sis-skeleton {
  background: linear-gradient(90deg, var(--border) 25%, #f0f4f8 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: sis-shimmer 1.5s ease-in-out infinite;
  border-radius: 6px;
}

.sis-skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  width: 100%;
}

.sis-skeleton-text:last-child {
  width: 60%;
}

.sis-skeleton-heading {
  height: 24px;
  margin-bottom: 12px;
  width: 70%;
}

.sis-skeleton-image {
  height: 200px;
  width: 100%;
}

/* Breadcrumb */

.sis-breadcrumb {
  background: var(--accent-light);
  padding: 16px 0;
}

.sis-breadcrumb-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  font-family: var(--font-heading);
}

.sis-breadcrumb-inner a {
  color: var(--primary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.sis-breadcrumb-inner a:hover {
  color: var(--secondary);
}

.sis-breadcrumb-inner .sis-sep {
  color: var(--text-light);
  font-size: 12px;
}

.sis-breadcrumb-inner .sis-current {
  color: var(--text-light);
  font-weight: 500;
}

/* =============================================
   24. RESPONSIVE — 1400px
   ============================================= */

@media (max-width: 1399.98px) {
  .sis-hero-headline { font-size: 54px; }
  .sis-section-heading { font-size: 36px; }
  h1 { font-size: 54px; }
  h2 { font-size: 36px; }
}

/* =============================================
   25. RESPONSIVE — 1200px
   ============================================= */

@media (max-width: 1199.98px) {
  .sis-hero-headline { font-size: 46px; }
  .sis-section-heading { font-size: 32px; }
  h1 { font-size: 46px; }
  h2 { font-size: 32px; }
  h3 { font-size: 24px; }

  .sis-hero-glass-card { max-width: 300px; padding: 28px 24px; }

  .sis-blog-featured { flex-direction: column; }
  .sis-blog-featured .sis-blog-img {
    flex: none;
    height: 280px;
  }

  .sis-gallery.sis-gallery-masonry {
    grid-template-columns: repeat(2, 1fr);
  }

  .sis-float-badge { display: none; }
}

/* =============================================
   26. RESPONSIVE — 992px
   ============================================= */

@media (max-width: 991.98px) {
  .sis-section { padding: 80px 0; }
  .sis-section-lg { padding: 100px 0; }
  .sis-section-sm { padding: 50px 0; }

  .sis-hero {
    height: auto;
    min-height: auto;
    padding: 140px 0 80px;
  }

  .sis-hero-headline { font-size: 38px; }
  .sis-hero-subheadline { font-size: 16px; }
  .sis-hero-badge { font-size: 11px; padding: 6px 16px; }

  .sis-hero-visual { display: none; }

  .sis-section-heading { font-size: 28px; }

  h1 { font-size: 38px; }
  h2 { font-size: 28px; }
  h3 { font-size: 22px; }
  h4 { font-size: 18px; }

  .sis-cta h2 { font-size: 32px; }

  .sis-stat-item .sis-stat-number { font-size: 42px; }
  .sis-stat-divider { display: none; }

  .sis-gallery { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .sis-gallery.sis-gallery-masonry { grid-template-columns: repeat(2, 1fr); }
  .sis-gallery-item.sis-gallery-tall img { height: 280px; }
  .sis-gallery-item.sis-gallery-tall { grid-row: span 1; }
  .sis-gallery-item.sis-gallery-wide { grid-column: span 1; }

  .sis-doctor-card .sis-doctor-img-wrap img { height: 280px; }

  .sis-footer-top { padding: 60px 0 20px; }

  .sis-stats-wrap { padding: 60px 0; }
}

/* =============================================
   27. RESPONSIVE — 768px
   ============================================= */

@media (max-width: 767.98px) {
  .sis-section { padding: 60px 0; }
  .sis-section-lg { padding: 80px 0; }
  .sis-section-sm { padding: 40px 0; }

  .sis-hero { padding: 120px 0 60px; }
  .sis-hero-headline { font-size: 30px; }
  .sis-hero-subheadline { font-size: 15px; }
  .sis-hero-actions { flex-direction: column; width: 100%; }
  .sis-hero-actions .sis-btn-primary,
  .sis-hero-actions .sis-btn-secondary,
  .sis-hero-actions .sis-btn-ghost {
    width: 100%;
    justify-content: center;
  }

  .sis-section-heading { font-size: 26px; }
  .sis-section-header { margin-bottom: 36px; }

  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
  h3 { font-size: 20px; }
  h4 { font-size: 18px; }

  .sis-section-label { font-size: 11px; }
  .sis-section-label::before,
  .sis-section-label::after { width: 24px; }
  .text-center .sis-section-label::before,
  .text-center .sis-section-label::after { width: 30px; }

  .sis-stat-item .sis-stat-number { font-size: 36px; }

  .sis-trust-item .sis-trust-number { font-size: 34px; }
  .sis-trust-item .sis-trust-number .sis-prefix,
  .sis-trust-item .sis-trust-number .sis-suffix { font-size: 22px; }

  .sis-cta { padding: 60px 0; text-align: center; }
  .sis-cta h2 { font-size: 28px; }
  .sis-cta p { font-size: 15px; }
  .sis-cta-actions { justify-content: center; }
  .sis-cta-actions .sis-btn-primary,
  .sis-cta-actions .sis-btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .sis-testimonial-card { padding: 24px; }

  .sis-contact-card { padding: 20px; }

  .sis-gallery { grid-template-columns: 1fr 1fr; gap: 10px; }
  .sis-gallery.sis-gallery-masonry { grid-template-columns: 1fr 1fr; }
  .sis-gallery-item img { height: 200px; }
  .sis-gallery-item.sis-gallery-tall img { height: 200px; }

  .sis-doctor-card .sis-doctor-img-wrap img { height: 260px; }

  .sis-whatsapp-float {
    width: 52px;
    height: 52px;
    font-size: 26px;
    bottom: 20px;
    right: 20px;
  }

  .sis-back-to-top {
    width: 40px;
    height: 40px;
    font-size: 16px;
    bottom: 20px;
    left: 20px;
  }

  .sis-footer-top { padding: 50px 0 10px; text-align: center; }
  .sis-footer h5::after { left: 50%; transform: translateX(-50%); }
  .sis-footer-socials { justify-content: center; }
  .sis-footer-contact li { justify-content: center; }

  .sis-scroll-indicator { display: none; }
}

/* =============================================
   28. RESPONSIVE — 576px
   ============================================= */

@media (max-width: 575.98px) {
  .sis-hero-headline { font-size: 26px; }
  .sis-hero-badge { font-size: 10px; }

  .sis-section-heading { font-size: 24px; }

  h1 { font-size: 26px; }
  h2 { font-size: 22px; }

  .sis-section-label { font-size: 10px; letter-spacing: 1.5px; }
  .sis-section-label::before,
  .sis-section-label::after { width: 20px; }
  .text-center .sis-section-label::before,
  .text-center .sis-section-label::after { width: 24px; }

  .sis-btn-primary,
  .sis-btn-secondary,
  .sis-btn-ghost {
    padding: 14px 28px;
    font-size: 14px;
  }

  .sis-gallery { grid-template-columns: 1fr; }
  .sis-gallery.sis-gallery-masonry { grid-template-columns: 1fr; }

  .sis-filter-btns { gap: 6px; }
  .sis-filter-btn { padding: 6px 16px; font-size: 12px; }

  .sis-doctor-card .sis-doctor-img-wrap img { height: 240px; }
  .sis-dept-card .sis-dept-img { height: 180px; }
  .sis-card .sis-card-img { height: 200px; }
  .sis-blog-card .sis-blog-img { height: 200px; }
  .sis-blog-featured .sis-blog-body { padding: 24px; }
  .sis-blog-featured .sis-blog-body h4 { font-size: 20px; }

  .sis-stat-item .sis-stat-number { font-size: 30px; }

  .sis-trust-item .sis-trust-number { font-size: 28px; }

  .sis-value-card { padding: 28px 20px; }

  .sis-hero-glass-card { display: none; }
}