/* ===================================
   DigiScale Hub - Main Stylesheet
   Professional Digital Marketing Theme
   =================================== */

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

/* CSS Variables for Theme Colors */
:root {
  --primary: #0052CC;          /* strong blue */
  --secondary: #FF4081;        /* vivid pink accent */
  --neutral-dark: #111827;     /* deep charcoal */
  --neutral-light: #F3F4F6;    /* softer off‑white */
  --white: #FFFFFF;
  --text-dark: #212121;
  --text-light: #6B7280;
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
  --transition: all 0.3s ease;

  /* backwards compatibility alias */
  --primary-blue: var(--primary);
  --accent-blue: var(--secondary);
  --dark-bg: var(--neutral-dark);
  --light-gray: var(--neutral-light);
}

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

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--neutral-light);
  overflow-x: hidden;
}

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

/* ensure dynamically inserted images scale nicely */
.portfolio-image img,
.service-card img,
.about-image img,
.contact-image img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-fluid {
  width: 100%;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: transparent;
  box-shadow: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark-bg);
  border-radius: 3px;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 74, 173, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 74, 173, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-dark {
  background: var(--dark-bg);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--dark-secondary);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--primary-blue);
}

.btn-white:hover {
  background: var(--light-gray);
}

/* Hero Section */
.hero {
  background: url('https://source.unsplash.com/1600x900/?hospital,healthcare,clinic') center/cover no-repeat;
  color: var(--white);
  padding: 160px 0 100px;
  margin-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Section Styles */
section {
  padding: 80px 0;
}

/* alternate backgrounds to break up whitespace */
section:nth-of-type(odd) {
  background: var(--neutral-light);
}

section:nth-of-type(even) {
  background: var(--white);
}

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

.section-dark {
  background: var(--neutral-dark);
  color: var(--white);
}

/* statistics section with subtle image overlay */
.stats-section {
  position: relative;
  background: url('https://source.unsplash.com/1600x400/?healthcare,hospital,clinic') center/cover no-repeat;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.85);
}

/* feature cards should stand out */
.features-grid .feature-item,
.services-grid .service-card {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  border-radius: 8px;
}

/* price cards contrast */
.pricing-card {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border-radius: 8px;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-bg);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

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

.section-dark .section-header h2 {
  color: var(--white);
}

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

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-bg);
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.service-card ul {
  margin-bottom: 1.5rem;
}

.service-card ul li {
  padding: 0.5rem 0;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-card ul li::before {
  content: '✓';
  color: var(--primary-blue);
  font-weight: bold;
}

/* Features/Benefits */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
  color: var(--white);
}

.feature-item h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.feature-item p {
  color: var(--text-light);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-blue);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
}

.author-info h4 {
  font-size: 1.1rem;
  color: var(--dark-bg);
}

.author-info p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: var(--white);
  border-radius: 20px;
  padding: 3rem 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary-blue);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--white);
  padding: 5px 20px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.pricing-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--dark-bg);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.pricing-price span {
  font-size: 1.2rem;
  color: var(--text-light);
}

.pricing-features {
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.8rem 0;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--primary-blue);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Portfolio/Case Studies */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.portfolio-image {
  width: 100%;
  height: 250px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 3rem;
}

.portfolio-content {
  padding: 2rem;
}

.portfolio-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-bg);
}

.portfolio-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.portfolio-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Contact Form */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  background: var(--gradient-dark);
  color: var(--white);
  padding: 3rem;
  border-radius: 20px;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-bg);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-blue);
}

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

/* Map Container */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: 15px;
  overflow: hidden;
  margin-top: 3rem;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Stats Section */
.stats-section {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-box h3 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-box p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-dark);
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.footer-section ul li {
  margin-bottom: 0.8rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary-blue);
  padding-left: 5px;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-blue);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-blue);
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  cursor: pointer;
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
  }
}

/* Call Button (Mobile) */
.call-float {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
  z-index: 999;
  cursor: pointer;
  transition: var(--transition);
}

.call-float:hover {
  transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

  .call-float {
    display: flex;
  }

  .services-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: scale(1);
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  section {
    padding: 50px 0;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .btn {
    padding: 10px 25px;
    font-size: 0.9rem;
  }

  .service-card,
  .contact-form,
  .contact-info {
    padding: 1.5rem;
  }

  .whatsapp-float,
  .call-float {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    bottom: 20px;
    right: 20px;
  }

  .call-float {
    bottom: 80px;
  }

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

  .stat-box h3 {
    font-size: 2rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary-blue);
}

.bg-primary {
  background: var(--gradient-primary);
}

.bg-dark {
  background: var(--dark-bg);
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.fade-in {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Footer */
footer {
  background: var(--neutral-dark);
  color: var(--neutral-light);
  padding: 40px 0 20px;
  font-size: 0.9rem;
}
footer .footer-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}
footer .footer-col {
  flex: 1 1 200px;
}
footer h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--white);
}
footer a {
  color: var(--neutral-light);
}
footer a:hover {
  color: var(--secondary);
}
footer .social-links a {
  margin-right: 0.5rem;
  font-size: 1.2rem;
  display: inline-block;
  background: rgba(255,255,255,0.1);
  padding: 0.5rem;
  border-radius: 50%;
}
footer .footer-bottom {
  text-align: center;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 1rem;
}