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

/* ============================= */
/* CSS Variables - Theme-friendly Color Palette */
/* ============================= */
:root {
  --font-family-base: 'Roboto', sans-serif;

  /* Color Palette */
  --color-primary: #7c3aed;        /* Primary Purple */
  --color-primary-light: #c084fc;  /* Light Purple */
  --color-primary-dark: #6d28d9;   /* Dark Purple */

  --color-text-dark: #1e293b;      /* Text Dark Blue-Gray */
  --color-grey-medium: #64748b;    /* Medium Gray */
  --color-grey-light: #cbd5e1;     /* Light Gray */

  /* Additional Colors */
  --color-bg-light: #ffffff;       /* Light Background */
  --color-text-light: #f1f5f9;     /* Light Text for Dark BG */
  --color-grey-dark: #334155;      /* Dark Gray */

  /* Layout & Effects */
  --transition-speed: 0.3s;
  --border-radius: 12px;
  --max-width: 1200px;
}

/* ============================= */
/* Global Reset & Base Styles */
/* ============================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* ============================= */
/* Links */
/* ============================= */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover,
a:focus {
  color: var(--color-primary-light);
  outline: none;
}

/* ============================= */
/* Images */
/* ============================= */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 0; /* Clean sharp images by default */
}

/* ============================= */
/* Container */
/* ============================= */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ============================= */
/* Headings Global Styles */
/* ============================= */
h1, h2, h3 {
  font-family: var(--font-family-base);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 1.5rem;
}

/* ============================= */
/* H1 Styles */
/* ============================= */
h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-primary-dark); /* #6d28d9 */
}

/* ============================= */
/* H2 Styles */
/* ============================= */
h2 {
  color: #1e3a8a;                  /* Deep Blue for contrast with purple theme */
  font-size: 2.2rem;
  font-weight: 800;
  border-bottom: 3px solid #3b82f6; /* Bright blue underline for strong emphasis */
  padding-bottom: 0.7rem;
  letter-spacing: 0.5px;
}

/* ============================= */
/* H3 Styles */
/* ============================= */
h3 {
  color: #1e3a8a;                  /* Matches H2 for consistency */
  font-size: 1.8rem;
  font-weight: 700;
}

/* ============================= */
/* Paragraphs */
/* ============================= */
p {
  text-align: center;
  /* color: var(--color-text-dark);  #1e293b */
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================= */
/* Navigation Bar */
/* ============================= */
.navbar {
  background-color: var(--color-bg-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 10000;
  height: 60px; /* ✅ Fixed, clean height for consistency */
  transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

.navbar-sticky {
  background-color: #ffffffcc; /* ✅ Slight transparency for sticky effect */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  backdrop-filter: saturate(180%) blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  height: 60px; /* ✅ Fixed height for sticky state too */
  z-index: 10000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%; /* ✅ Makes content fill the navbar vertically */
  padding: 0 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ============================= */
/* Logo Styling */
/* ============================= */
.logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  letter-spacing: 1.5px;
  user-select: none;
  padding: 0.2rem 0.5rem;
  border-radius: var(--border-radius);
  transition: color var(--transition-speed), background-color var(--transition-speed);
}
.logo:hover,
.logo:focus {
  color: var(--color-primary-light);
  background-color: rgba(124, 58, 237, 0.1);
}

/* ============================= */
/* Navigation Links */
/* ============================= */
#nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem; 
  color: var(--color-grey-medium);
  cursor: pointer;
  z-index: 10002;
  transition: color var(--transition-speed);
}
#nav-toggle:hover,
#nav-toggle:focus {
  color: var(--color-primary-light);
  outline: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  z-index: 10001;
}

.nav-menu li a {
  font-size: 1.1rem;       /* ✅ Slightly larger for bold look */
  font-weight: 800;       /* ✅ Heavy weight for stronger impact */
  padding: 0.3rem 0.75rem; /* ✅ Balanced padding for reduced height */
  color: var(--color-primary-dark);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-speed), color var(--transition-speed);
}
.nav-menu li a:hover,
.nav-menu li a:focus {
  color: var(--color-primary-light);
  background-color: rgba(124, 58, 237, 0.1);
  outline: none;
}

/* ============================= */
/* Submenu */
/* ============================= */
.has-submenu {
  position: relative;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  padding: 0.25rem 0;
  display: none;
  min-width: 220px; /* slightly smaller */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform: translateY(10px);
}

.submenu li a {
  font-size: 0.95rem;     /* Slightly heavier look */
  font-weight: 600;      /* Heavier than default */
  padding: 0.5rem 1.25rem; /* reduced height for submenu items */
  display: block;
  color: var(--color-primary-dark);
}
.submenu li a:hover,
.submenu li a:focus {
  background-color: var(--color-grey-light);
  color: var(--color-primary-light);
  outline: none;
}

/* Show submenu on hover/active */
.has-submenu:hover > .submenu,
.has-submenu.open > .submenu,
.submenu-active {
  display: block !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}

/* ============================= */
/* Sticky Navbar Enhancement */
/* ============================= */
.navbar-sticky {
  background-color: #ffffffcc;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  backdrop-filter: saturate(180%) blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 10000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* ============================= */
/* Scroll-to-top Button */
/* ============================= */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--color-primary);
  color: var(--color-text-light);
  border-radius: 50%;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(124, 58, 237, 0.5); /* softened purple shadow */
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  transition: background-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
}

#scroll-top:hover,
#scroll-top:focus-visible {
  background-color: var(--color-primary-dark);
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.6);
  outline: none;
}

#scroll-top:active {
  transform: scale(0.95);
}

@media (prefers-reduced-motion: reduce) {
  #scroll-top {
    transition: none;
  }
}
body:not(.scrolling) #scroll-top {
  border: 2px solid #fff;
}


/* ============================= */
/* Accessibility Focus Outlines */
/* ============================= */
a:focus,
button:focus,
.nav-menu li a:focus,
.submenu li a:focus,
#nav-toggle:focus,
#theme-toggle:focus {
  outline: 3px solid var(--color-primary-light); /* updated to purple light */
  outline-offset: 2px;
}

/* ============================= */
/* Scrollbar Styling for Submenu */
/* ============================= */
.submenu {
  max-height: 300px;
  overflow-y: auto;
}

.submenu::-webkit-scrollbar {
  width: 6px;
}

.submenu::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 6px;
}

.submenu::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 6px;
}

.submenu {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) #f1f1f1;
}


/* ======================== */
/* Button CSS */
/* ======================== */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); /* Updated purple gradient */
  color: #ffffff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  user-select: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4); /* Purple tone shadow */
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
  margin-top: 2rem;
  outline: 1px solid rgba(255, 255, 255, 0.3); /* subtle white outline for visibility */
}

.btn:hover,
.btn:focus {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); /* hover gradient */
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5); /* deeper purple shadow on hover */
  outline: 2px solid rgba(255, 255, 255, 0.5); /* slightly stronger white outline on hover/focus */
}


/* ======================== */
/* General Section Styling  */
/* ======================== */
.section-container {
  padding: 2rem 1.5rem;
  max-width: var(--max-width);
  margin: 25px auto;
  background: linear-gradient(to right, #f8fafc, #ffffff);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  color: var(--color-text-dark);
  transition: all var(--transition-speed);
  text-align: left;
  font-family: var(--font-family-base);
  overflow: hidden;
}

.section-container h2 {
  font-weight: 800;
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
  user-select: none;
  transition: color var(--transition-speed);
}

.section-container h2::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background-color: var(--color-primary-light); /* Updated */
  bottom: -10px;
  left: 0;
  border-radius: 2px;
  transition: width var(--transition-speed);
}

.section-container h2:hover::after {
  width: 100px;
}

.section-container p,
.section-container ul {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--color-grey-medium);
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
  user-select: text;
}

.section-container p {
  text-align: center;
}

.section-container ul {
  list-style: none;
  padding-left: 0;
  text-align: left;
}

.section-container ul li {
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1.5rem;
  /* color: var(--color-grey-dark); */
}

.section-container ul li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-primary-light); /* Updated to purple light */
  font-size: 1rem;
}

/* ================================================
   Hero Section — Advanced Design with Image Background
================================================== */
.hero-section {
  position: relative;
  text-align: center;
  padding: 7rem 1rem 8rem;
  color: var(--color-text-light);
  overflow: hidden;
  animation: fadeInUp 1s ease forwards;
  opacity: 1; /* Keep container fully opaque */
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0; /* shorthand for top:0; right:0; bottom:0; left:0; */
  background: url('../images/hero-background.jpg') center center / cover no-repeat;
  opacity: 0.9; /* Adjust this value to control background opacity */
  z-index: -1; /* Place behind content */
  pointer-events: none; /* So it doesn’t block clicks */
  transition: opacity 0.5s ease;
}

/* Dark overlay to improve text readability over the background image */
.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.4));
  z-index: 0;
}

/* Ensure all child elements are above the overlay */
.hero-section * {
  position: relative;
  z-index: 1;
}

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

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Profile Image */
.hero-container img.profile-image {
  width: 180px;
  height: 180px;
  margin-bottom: 1.5rem;
  border-radius: 50%;
  border: 4px solid var(--color-bg-light);
  object-fit: cover;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-container img.profile-image:hover,
.hero-container img.profile-image:focus {
  transform: scale(1.08);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.55);
  outline: none;
}

/* Hero Heading */
.hero-section h1 {
  font-weight: 900;
  font-size: clamp(2.8rem, 6vw, 3.5rem);
  margin-bottom: 0.8rem;
  letter-spacing: 2px;
  color: var(--color-bg-light);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Profession/Subtitle */
.hero-section .profession {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  margin-bottom: 1.5rem;
  font-style: italic;
  font-weight: 500;
  color: rgba(245, 245, 255, 0.95);
  opacity: 0.9;
}

/* Bio/Description */
.hero-section .bio {
  max-width: 750px;
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.07);
  padding: 1.5rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  transition: background 0.3s ease;
}

/* Buttons Group */
.hero-buttons {
  display: flex;
  gap: 1.2rem;
  margin-top: 2.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-buttons a {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  color: var(--color-bg-light);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition-speed), background var(--transition-speed), box-shadow var(--transition-speed);
}

.hero-buttons a:hover,
.hero-buttons a:focus {
  transform: translateY(-2px) scale(1.05);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  outline: none;
}

/* Social Links */
.social-links {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-links a {
  font-size: 1.7rem;
  color: var(--color-text-light);
  transition: color var(--transition-speed), transform var(--transition-speed);
}

.social-links a:hover,
.social-links a:focus {
  color: var(--color-primary-light);
  transform: scale(1.1);
  outline: none;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .hero-section {
    padding: 5rem 1rem 6rem;
  }

  .hero-container img.profile-image {
    width: 140px;
    height: 140px;
  }

  .hero-section h1 {
    font-size: 2.3rem;
  }

  .hero-section .bio {
    padding: 1rem 1.2rem;
    font-size: 1rem;
  }

  .hero-buttons a {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
}
/* ================================
   🌌 Footer - Image Background with Animation
================================= */
.footer {
  position: relative;
  color: var(--color-text-light);
  padding: 1.0rem 0.8rem;
  overflow: hidden;
  text-align: center;

  /* Separate background image and gradient */
  background-image:
    url('../images/hero-background.jpg'),
    linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover, cover;

  /* Blend mode for smooth layering */
  background-blend-mode: overlay;

  z-index: 10; /* ensure content on top */
}

/* Semi-transparent black overlay to dim background image (simulate opacity ~0.1) */
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  pointer-events: none;
  z-index: 0;
}

/* Subtle radial pulse animation */
.footer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05), transparent 70%);
  animation: pulse 18s infinite alternate ease-in-out;
  pointer-events: none;
  z-index: 1;
}

/* Dark overlay for contrast and readability */
.footer .overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.75), rgba(0,0,0,0.4));
  pointer-events: none;
  z-index: 2;
}

/* If you cannot add extra HTML for .overlay-gradient, move this to another pseudo */
.footer .container {
  position: relative;
  z-index: 20;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

/* ================================
   🎨 Footer Links and Social
================================= */
.footer ul.list-inline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.footer ul.list-inline li a,
.footer .social-footer a {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
}

.footer ul.list-inline li a:hover,
.footer .social-footer a:hover {
  color: var(--color-primary-light);
  transform: scale(1.1);
}

.footer ul.list-inline li a[href^="mailto:"]::before {
  content: "\f0e0"; /* Font Awesome envelope */
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-right: 0.35rem;
  font-size: 0.9rem;
}

.footer .social-footer {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  font-size: 1.5rem;
}

/* ================================
   📝 Footer Text
================================= */
.footer p.mb-0 {
  color: var(--color-grey-light);
  margin-top: 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

/* ================================
   ⚙️ Fade Animation for Elements
================================= */
.footer,
.footer .container,
.footer ul.list-inline li a,
.footer .social-footer a,
.footer p.mb-0 {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.footer { animation-delay: 0.2s; }
.footer .container { animation-delay: 0.4s; }
.footer ul.list-inline li a { animation-delay: 0.6s; }
.footer .social-footer a { animation-delay: 0.8s; }
.footer p.mb-0 { animation-delay: 1s; }

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

/* Pulse animation */
@keyframes pulse {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.1) translate(20px, 15px);
  }
}

/* ================================
   📱 Footer Responsive - Reduced Height
================================= */
@media (max-width: 768px) {
  .footer {
    padding: 1.5rem 1rem; /* ↓ Reduced overall padding */
  }

  .footer .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem; /* ↓ Reduced gap between items */
  }
  
  .footer ul.list-inline {
    justify-content: center;
    gap: 1rem; /* ↓ Slightly reduced gap between links */
    margin-bottom: 0.8rem;
  }

  .footer .social-footer {
    justify-content: center;
    margin-top: 0.8rem; /* ↓ Reduced margin */
  }

  .footer p.mb-0 {
    margin-top: 1rem; /* ↓ Reduced margin */
    font-size: 0.8rem;  /* Optional: Slightly smaller font for better compactness */
  }
}


/* =============================
   Services Swiper Styles
============================= */

/* Wrapper for each service slide */
.service-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.2rem;
  text-align: center;
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  min-height: 380px; /* ✅ Ensures consistent height */
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Service Icon Styles */
.service-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Heading for each service */
.portfolio-heading {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background-image: var(--color-primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: capitalize;
}
/* ================================
   Service Caption
================================ */

.caption {
  color: var(--color-grey-medium);
  font-size: 1rem;
  line-height: 1.5;
  max-width: 320px;
  margin-top: 0.5rem;
  flex-grow: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  text-align: center;
  transition: color 0.3s ease;
}