/* 
   ==========================================================================
   Premium Personal Portfolio Stylesheet
   Client: Rahul Kumar (Healthcare Performance Marketing Specialist)
   Design Inspiration: Google + Stripe + Notion + HubSpot + Webflow
   Color Palette: Vibrant Blues, Mint Accents, Smooth Slate Gradients
   ==========================================================================
*/

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

/* --- Root Variables --- */
:root {
  --primary-color: #0F62FE;
  --secondary-color: #1A73E8;
  --accent-color: #00C896;
  --accent-light: rgba(0, 200, 150, 0.1);
  --bg-color: #FFFFFF;
  --bg-section: #F8FAFC;
  --text-heading: #111827;
  --text-body: #4B5563;
  --text-light: #9CA3AF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 20px 40px -15px rgba(15, 98, 254, 0.08), 0 15px 30px -10px rgba(0, 0, 0, 0.04);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* --- Base & Reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
}

p {
  margin-bottom: 1rem;
}

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

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

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-section);
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* --- Layout Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6.5rem 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 4px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-body);
  font-size: 1.125rem;
}

/* --- Badge & Tag --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-color);
  background-color: rgba(15, 98, 254, 0.08);
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--primary-color);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 98, 254, 0.25);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--text-heading);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-section);
  border-color: #CBD5E1;
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--accent-color);
  color: #111827;
}

.btn-accent:hover {
  background-color: #02b689;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 200, 150, 0.25);
}

/* --- Scroll Progress Bar --- */
#scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  z-index: 1100;
}

#scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
}

/* --- Header / Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-fast);
}

header.scrolled {
  height: 70px;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary-color);
}

.logo-sub {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-section);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  margin-left: 0.5rem;
  color: var(--text-body);
}

.desktop-only-inline {
  display: inline;
}

.mobile-only-inline {
  display: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-body);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  border: none;
  background: none;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-heading);
  border-radius: 4px;
  transition: var(--transition-fast);
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: #FFFFFF;
  box-shadow: var(--shadow-lg);
  z-index: 1050;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.mobile-nav.open {
  transform: translateX(-100%);
}

.mobile-nav-close {
  align-self: flex-end;
  font-size: 1.75rem;
  cursor: pointer;
  border: none;
  background: none;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  list-style: none;
}

.mobile-links a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-heading);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(17, 24, 39, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  padding-top: 120px;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(15, 98, 254, 0.03) 0%, rgba(255, 255, 255, 0) 50%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-content h1 span.highlight {
  color: var(--primary-color);
  background: linear-gradient(120deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: 1.25rem;
  color: var(--text-body);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-cta .btn {
  flex: 1 1 auto;
  min-width: 170px;
  text-align: center;
}

.desktop-only {
  display: block;
}

.hero-photo-container {
  position: relative;
  border-radius: 24px;
  overflow: visible;
}

.hero-photo-wrapper {
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-premium);
  border-radius: 24px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background-color: var(--bg-section);
  aspect-ratio: 6 / 7;
}

.hero-photo-wrapper img,
.about-photo-wrapper img,
.contact-photo-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: var(--transition-normal);
}

.hero-photo-wrapper:hover img,
.about-photo-wrapper:hover img,
.contact-photo-wrapper:hover img {
  transform: scale(1.05);
}

/* Floating Blobs */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: 1;
  opacity: 0.45;
  animation: float-blob 12s infinite alternate ease-in-out;
}

.blob-1 {
  width: 300px;
  height: 300px;
  background-color: rgba(15, 98, 254, 0.15);
  top: -20px;
  right: -50px;
}

.blob-2 {
  width: 250px;
  height: 250px;
  background-color: rgba(0, 200, 150, 0.12);
  bottom: -40px;
  left: -30px;
  animation-delay: -6s;
}

/* Typing Cursor styling */
.typed-cursor {
  font-weight: 200;
  color: var(--primary-color);
  animation: blink 0.7s infinite;
}

/* --- Trusted Metrics Section --- */
.metrics {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: #FFFFFF;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-card {
  padding: 1.5rem 1rem;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.85rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
  display: block;
}

.metric-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-desc {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

/* --- About Me --- */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 5rem;
  align-items: center;
}

.about-photo-wrapper {
  box-shadow: var(--shadow-premium);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background-color: var(--bg-section);
  aspect-ratio: 6 / 7;
}

.about-content .badge {
  margin-bottom: 1.5rem;
}

.about-content h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  color: var(--text-body);
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-highlight-card {
  padding: 1rem;
  border-left: 3px solid var(--accent-color);
  background-color: var(--bg-section);
  border-radius: 0 8px 8px 0;
}

.about-highlight-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.about-highlight-card p {
  font-size: 0.875rem;
  color: var(--text-body);
  margin-bottom: 0;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(15, 98, 254, 0.2);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: var(--transition-fast);
}

.service-card:hover::after {
  opacity: 1;
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background-color: rgba(15, 98, 254, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  color: var(--primary-color);
  font-size: 1.5rem;
}

.service-icon.logo-icon {
  background-color: transparent !important;
  padding: 2px;
}

.service-icon.logo-icon svg {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
}

.service-card:hover .service-icon {
  background-color: var(--primary-color);
  color: #FFFFFF;
  transform: scale(1.05);
}

.service-card:hover .service-icon.logo-icon {
  background-color: transparent !important;
  transform: scale(1.1);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 0.925rem;
  color: var(--text-body);
  flex-grow: 1;
}

/* --- Industries Served --- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.industry-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background-color: #FFFFFF;
  transition: var(--transition-fast);
}

.industry-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

.industry-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  font-size: 1.15rem;
  flex-shrink: 0;
}

.industry-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-heading);
}

/* --- Skills Section --- */
.skills-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 4rem;
}

.skill-item {
  width: 100%;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.skill-name {
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.95rem;
}

.skill-percentage {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 0.95rem;
}

.skill-bar {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  border-radius: 4px;
  transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

/* --- Results Section (Dashboard & Lightbox) --- */
.results-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.65rem 1.5rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  color: var(--text-body);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover,
.tab-btn.active {
  background-color: var(--primary-color);
  color: #FFFFFF;
  border-color: var(--primary-color);
  box-shadow: 0 4px 10px rgba(15, 98, 254, 0.15);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.result-card {
  background-color: #FFFFFF;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

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

.result-image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--bg-section);
}

.result-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.result-card:hover .result-image-wrapper img {
  transform: scale(1.05);
}

.result-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 98, 254, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

.result-card:hover .result-overlay {
  opacity: 1;
}

.zoom-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #FFFFFF;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.result-card:hover .zoom-icon {
  transform: translateY(0);
}

.result-info {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.result-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.result-info h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.result-info p {
  font-size: 0.875rem;
  color: var(--text-body);
  margin-bottom: 0;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 24, 39, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

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

.lightbox-content {
  max-width: 90%;
  max-height: 80%;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  display: block;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 2rem;
  cursor: pointer;
}

.lightbox-caption {
  color: #FFFFFF;
  text-align: center;
  margin-top: 1rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
}

/* --- Case Studies --- */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(15, 98, 254, 0.15);
}

.case-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}

.case-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.case-industry {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  text-transform: uppercase;
}

.case-body h3 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.case-details {
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.case-detail-item {
  margin-bottom: 0.85rem;
}

.case-detail-item strong {
  font-size: 0.825rem;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  display: block;
}

.case-detail-item p {
  font-size: 0.9rem;
  color: var(--text-body);
  margin-bottom: 0;
}

.case-results {
  background-color: rgba(0, 200, 150, 0.05);
  border: 1px dashed var(--accent-color);
  border-radius: 8px;
  padding: 1rem;
  margin-top: auto;
}

.case-results strong {
  font-size: 0.825rem;
  color: #059669;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.25rem;
}

.case-results p {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0;
}

.case-btn {
  margin-top: 1.5rem;
  width: 100%;
}

/* --- Why Choose Me --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 200, 150, 0.2);
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
}

.why-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  margin-bottom: 0;
}

/* --- Certifications --- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.cert-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  cursor: pointer;
}

.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(15, 98, 254, 0.15);
}

.cert-icon {
  font-size: 2.5rem;
  color: #D4AF37;
  margin-bottom: 1.25rem;
}

.cert-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.cert-card p {
  font-size: 0.825rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* --- Tools I Use --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background-color: #FFFFFF;
  transition: var(--transition-fast);
}

.tool-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.tool-logo {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.tool-card span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
}

/* --- Testimonials --- */
.testimonials-slider-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  padding: 1rem 0;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 300%; /* 3 slides */
}

.testimonial-card {
  width: 33.333%;
  flex-shrink: 0;
  padding: 0 1.5rem;
}

.testimonial-inner {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-premium);
  position: relative;
}

.testimonial-quote {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-heading);
  margin-bottom: 2.25rem;
  position: relative;
  line-height: 1.7;
}

.testimonial-quote::before {
  content: '“';
  font-size: 5rem;
  color: var(--primary-color);
  opacity: 0.08;
  position: absolute;
  top: -45px;
  left: -20px;
}

.testimonial-client {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--bg-section);
  border: 2px solid var(--primary-color);
  overflow: hidden;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.client-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
}

.client-clinic {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Slider Controls */
.testimonial-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  color: var(--text-body);
}

.slider-btn:hover {
  background-color: var(--primary-color);
  color: #FFFFFF;
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #CBD5E1;
  cursor: pointer;
  transition: var(--transition-fast);
}

.dot.active {
  background-color: var(--primary-color);
  width: 24px;
  border-radius: 4px;
}

/* --- FAQ Accordion --- */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-question h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-heading);
  transition: var(--transition-fast);
}

.faq-item.active .faq-question h3 {
  color: var(--primary-color);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--text-heading);
  transition: var(--transition-fast);
}

.faq-icon::before {
  width: 14px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background-color: var(--primary-color);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
  padding-top: 1rem;
  color: var(--text-body);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
}

.contact-form-wrapper {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-premium);
}

.form-group {
  position: relative;
  margin-bottom: 1.75rem;
}

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-section);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-heading);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-color);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.1);
}

.form-label {
  position: absolute;
  left: 1.25rem;
  top: 1rem;
  color: var(--text-light);
  font-size: 0.95rem;
  pointer-events: none;
  transition: var(--transition-fast);
}

/* Floating labels magic */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -10px;
  left: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-color);
  background-color: #FFFFFF;
  padding: 0 6px;
}

select.form-input {
  appearance: none;
  cursor: pointer;
}

.form-select-arrow {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-body);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  padding: 1rem;
}

.form-feedback {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-feedback.success {
  background-color: rgba(0, 200, 150, 0.1);
  color: #059669;
  border: 1px solid var(--accent-color);
}

.form-feedback.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: #DC2626;
  border: 1px solid #EF4444;
}

/* Contact Details Card */
.contact-profile-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.contact-photo-wrapper {
  background-color: var(--bg-section);
  aspect-ratio: 6 / 5;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.contact-card-content {
  padding: 2.5rem;
}

.contact-card-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.contact-card-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #059669;
  background-color: rgba(0, 200, 150, 0.08);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
  animation: pulse-dot 1.5s infinite alternate;
}

.contact-info-list {
  list-style: none;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-item .icon {
  color: var(--primary-color);
  font-size: 1.15rem;
}

.contact-info-item span {
  font-size: 0.95rem;
  color: var(--text-body);
}

.contact-info-item a:hover {
  color: var(--primary-color);
}

/* Quick Contact Cards Under grid */
.quick-contact-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.quick-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition-fast);
}

.quick-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.quick-card .icon {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
}

.quick-card h4 {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.quick-card p {
  font-size: 0.825rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.quick-card a {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-color);
}

/* --- Floating Actions Bar --- */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 999;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1) translateY(-2px);
}

.float-whatsapp { background-color: #25D366; }
.float-call { background-color: #0F62FE; }
.float-email { background-color: #FF7A59; }

.float-totop {
  background-color: #1E293B;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.float-totop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Tooltip on hover */
.float-btn::before {
  content: attr(data-tooltip);
  position: absolute;
  right: 60px;
  background-color: #1E293B;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.float-btn:hover::before {
  opacity: 1;
  visibility: visible;
}

/* --- Footer --- */
footer {
  background-color: #0F172A;
  color: #94A3B8;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact-details {
  list-style: none;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.footer-contact-item .icon {
  color: var(--accent-color);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: #1E293B;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94A3B8;
  transition: var(--transition-fast);
  font-size: 1rem;
}

.social-btn:hover {
  background-color: var(--primary-color);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  text-align: center;
  font-size: 0.825rem;
}

/* --- Animations & Classes --- */

/* Scroll Reveal Initial states */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes float-blob {
  0% {
    transform: translate(0px, 0px) scale(1);
  }
  50% {
    transform: translate(30px, -50px) scale(1.1);
  }
  100% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes pulse-dot {
  0% {
    transform: scale(0.85);
    box-shadow: 0 0 0 0 rgba(0, 200, 150, 0.6);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(0, 200, 150, 0);
  }
  100% {
    transform: scale(0.85);
    box-shadow: 0 0 0 0 rgba(0, 200, 150, 0);
  }
}

/* --- Media Queries --- */

@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }

  .hero-content h1 {
    font-size: 2.85rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

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

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

  .results-grid,
  .case-studies-grid,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .tools-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .nav-cta .btn {
    display: inline-flex;
    padding: 0.5rem 1.15rem;
    font-size: 0.85rem;
  }

  .desktop-only-inline {
    display: none !important;
  }

  .mobile-only-inline {
    display: inline !important;
  }

  .logo {
    font-size: 1.15rem;
    gap: 0.35rem;
  }

  .logo-sub {
    font-size: 0.65rem;
    padding: 1px 6px;
    margin-left: 0.15rem;
  }

  .section {
    padding: 4.5rem 0;
  }

  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 4rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .desktop-only {
    display: none !important;
  }

  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .tool-card {
    padding: 1.25rem 0.75rem;
  }

  .tool-card span {
    font-size: 0.85rem;
  }

  .hero-photo-wrapper {
    max-width: 480px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-photo-wrapper {
    max-width: 450px;
    margin: 0 auto;
    order: 2;
  }

  .skills-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .results-tabs {
    flex-wrap: wrap;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .quick-contact-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 2.25rem;
  }

  .hero-cta {
    grid-template-columns: 1fr;
  }

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

  .services-grid,
  .results-grid,
  .case-studies-grid,
  .why-grid,
  .certs-grid {
    grid-template-columns: 1fr;
  }

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

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

  .quick-contact-container {
    grid-template-columns: 1fr;
  }

  .testimonial-inner {
    padding: 2rem 1.5rem;
  }

  .floating-actions {
    bottom: 1.5rem;
    right: 1.5rem;
  }
}