/* main.css */

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}

/* Theme variables */
:root {
  /* Light mode */
  --page-bg: #ffffff;
  --page-text: #212529;

  --navbar-bg: #ffffff;
  --navbar-border: #dee2e6;

  --section-hero-bg: #f5f8fc;
  --section-alt-bg: #f6f7f8;
  --section-contact-bg: #ffffff;

  --card-bg: #ffffff;
  --card-border: #dee2e6;

  --badge-bg: #f1f3f5;
  --badge-text: #212529;

  --footer-bg: #ffffff;
  --footer-border: #dee2e6;
}

:root[data-bs-theme="dark"] {
  --page-bg: #050608;
  --page-text: #e9ecef;

  --navbar-bg: #050608;
  --navbar-border: #1f2933;

  --section-hero-bg: #0b1018;
  --section-alt-bg: #101522;
  --section-contact-bg: #050608;

  --card-bg: #111827;
  --card-border: #1f2933;

  --badge-bg: #1f2933;
  --badge-text: #e9ecef;

  --footer-bg: #050608;
  --footer-border: #1f2933;
}

body {
  padding-top: 61px;
  background-color: var(--page-bg);
  color: var(--page-text);
  font-size: 16px;
}

/* Smooth theme transitions */
body,
.card,
.navbar,
footer {
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

/* Navbar using theme variables */
.navbar {
  background-color: var(--navbar-bg);
  border-bottom: 1px solid var(--navbar-border);
}

.navbar,
.navbar .navbar-brand,
.navbar .nav-link {
  color: var(--page-text);
}

/* Theme toggle button (icon-only, no border) */
.btn-theme-toggle {
  background: transparent;
  border: none;
  max-width: 20px;
  padding: 0.25rem 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--page-text);
  cursor: pointer;
}

.btn-theme-toggle:hover,
.btn-theme-toggle:focus {
  color: var(--page-text);
  opacity: 0.8;
}

.btn-theme-toggle:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.text-highlight {
  color: rgb(46, 200, 100);
}

/* Section spacing */
.section,
.section-hero {
  padding: 4rem 0;
}

/* Remove any extra top margin on hero heading */
.section-hero h1 {
  margin-top: 0;
}

/* Section backgrounds using variables */
.section-hero {
  background: var(--section-hero-bg);
}

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

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

/* Section titles */
.section-title {
  font-weight: 600;
}

/* Hero image placeholder */
.hero-image-placeholder {
  border-radius: 0.75rem;
  border: 1px dashed #c0c8d5;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}

.hero-image {
  border: 1px solid #555;
  border-radius: 0.75rem;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}

:root[data-bs-theme="dark"] .hero-image {
  background: #0f172a;
  border-color: #1f2933;
}

.hero-image-text {
  /* font-size: 0.9rem; */
  color: #6c757d;
}

/* Who we work with badges */
.who-tags .badge {
  font-weight: 500;
  padding: 0.5rem 0.9rem;
}

/* Override text-bg-light badge to follow theme */
.badge.text-bg-light {
  background-color: var(--badge-bg) !important;
  color: var(--badge-text) !important;
}

/* Card styling for light/dark */
.card {
  background-color: var(--card-bg);
  border-color: var(--card-border);
}

/* Subtle card hover effect */
.card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  /* transform: translateY(-3px); */
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.projects { margin: 20px 0 25px 0;}
.projects .card { border: none; border-radius: 14px !important; }
.projects .card .card-img-top { border-radius: 14px 14px 0 0 !important; filter: grayscale(100%); transition: filter 1.0s ease; }
.projects .card:hover { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); }
.projects .card:hover .card-img-top { filter: grayscale(0%); }
.projects .card a:hover::after { transform: translateX(0.75em); }
.projects .card-body { padding: 20px 20px 0 20px; }
.projects .card-footer { border-top: none; margin: 0; padding: 0; }
.projects .card-title { font-size: 22px; margin: 0 0 10px 0; padding: 0; }
.projects h4 { font-size: 18px; }
.accordion-header { margin: 0; padding: 0; }

/* Navbar link hover underline effect */
.nav-link {
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: currentColor;
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Footer background/border using variables */
footer {
  background-color: var(--footer-bg);
  border-color: var(--footer-border) !important;
}

/* Reveal animation – fade only, no vertical shift */
.reveal {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
}