/* css/style.css */
:root {
  --bg-dark: #070B14;
  --bg-card: #111526;
  --bg-hover: #1A2033;
  --border-color: #1F293B;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;

  --brand-gradient: linear-gradient(135deg, #A855F7 0%, #3B82F6 100%);

  --tag-green-bg: rgba(16, 185, 129, 0.1);
  --tag-green-text: #10B981;

  --tag-orange-bg: rgba(245, 158, 11, 0.1);
  --tag-orange-text: #F59E0B;

  --tag-pink-bg: rgba(236, 72, 153, 0.1);
  --tag-pink-text: #EC4899;

  --tag-blue-bg: rgba(59, 130, 246, 0.1);
  --tag-blue-text: #3B82F6;

  --tag-purple-bg: rgba(168, 85, 247, 0.1);
  --tag-purple-text: #A855F7;

  --hero-glow-1: rgba(168, 85, 247, 0.25);
  --hero-glow-2: rgba(59, 130, 246, 0.15);
  --hero-glow-bg: rgba(7, 11, 20, 0);

  --overlay-bg: rgba(0, 0, 0, 0.3);
}

body.light-mode {
  --bg-dark: #F2EFE9;
  --bg-card: #FAF8F2;
  --bg-hover: #E8E4DB;
  --border-color: #D5CFC4;
  --text-main: #36312B;
  --text-muted: #736C61;

  --brand-gradient: linear-gradient(135deg, #9333EA 0%, #2563EB 100%);

  --hero-glow-1: rgba(168, 85, 247, 0.15);
  --hero-glow-2: rgba(59, 130, 246, 0.10);
  --hero-glow-bg: rgba(242, 239, 233, 0);

  --overlay-bg: rgba(232, 228, 219, 0.7);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand span {
  color: #3B82F6;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav-links a {
  color: inherit;
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: #A855F7;
}

/* Page Header (for inner pages like projects.html) */
.page-header {
  position: relative;
  text-align: center;
  padding: 40px 20px 40px;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(ellipse at top, var(--hero-glow-1) 0%, var(--hero-glow-2) 30%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.page-header h1 {
  position: relative;
  z-index: 1;
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  position: relative;
  z-index: 1;
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Hero Section */
.hero {
  position: relative;
  text-align: center;
  padding: 10px 20px 60px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at top, var(--hero-glow-1) 0%, var(--hero-glow-2) 30%, var(--hero-glow-bg) 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-profile-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto 30px;
  text-align: left;
}

.hero-profile-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-profile-img {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--border-color);
  margin-bottom: 0;
  flex-shrink: 0;
}

.hero-name {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero-divider {
  max-width: 600px;
  margin: 20px auto;
  border: none;
  border-top: 1px solid var(--border-color);
}

.hero-subtitle {
  font-size: 1.1rem !important;
  color: var(--text-main) !important;
  margin: 0 0 20px 0 !important;
  font-weight: 500;
}

.social-btn-group {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 0;
}

.btn-social {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff !important;
  text-decoration: none;
  border-radius: 4px;
  transition: opacity 0.2s;
}

.btn-social:hover {
  opacity: 0.85;
}

.btn-linkedin {
  background: #0077b5;
}

.btn-github {
  background: #24292e;
}

.btn-email {
  background: #ea4335;
}

.btn-facebook {
  background: #1877f2;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 30px;
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn {
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--text-main);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--text-main);
  opacity: 0.85;
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-hover);
}

/* Stats Banner */
.stats-banner {
  max-width: 1000px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding: 0 20px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  text-align: center;
  border-radius: 8px;
}

.stat-box h2 {
  font-size: 1.8rem;
  color: #3B82F6;
  margin-bottom: 5px;
}

.stat-box p {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Main Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
  padding-bottom: 80px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 1.1rem;
  font-weight: 700;
}

.section-head i {
  color: var(--tag-orange-text);
}

/* Card Lists imitating the screenshot row items */
.data-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.data-row {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: start;
  gap: 20px;
  transition: border-color 0.2s;
}

.data-row:hover {
  border-color: #3B82F6;
}

/* Number badge equivalent in screenshot 1 */
.row-number {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 1.2rem;
  margin-top: 2px;
  text-align: center;
}

.row-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.row-content .meta {
  font-size: 0.8rem;
  color: var(--tag-blue-text);
  margin-bottom: 12px;
  font-weight: 500;
}

.row-content .desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.tag-green {
  background: var(--tag-green-bg);
  color: var(--tag-green-text);
}

.tag-purple {
  background: var(--tag-purple-bg);
  color: var(--tag-purple-text);
}

.tag-orange {
  background: var(--tag-orange-bg);
  color: var(--tag-orange-text);
}

.tag-blue {
  background: var(--tag-blue-bg);
  color: var(--tag-blue-text);
}

/* Right Sidebar (Trending Topics / Researchers style) */
.sidebar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.sidebar-panel h3 {
  font-size: 0.95rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-panel h3 i {
  color: #3B82F6;
}

.pill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
  transition: all 0.2s;
}

.pill:hover {
  color: var(--text-main);
  border-color: #3B82F6;
  background: var(--bg-hover);
}

.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.list-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: #1E293B;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--tag-purple-text);
  font-weight: bold;
}

.list-text h4 {
  font-size: 0.85rem;
  font-weight: 500;
}

.list-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --- RESPONSIVE MEDIA QUERIES --- */

/* Tablets and below */
@media (max-width: 992px) {
  .container {
    grid-template-columns: 1fr;
    /* Stack columns vertically */
  }

  .hero h1 {
    font-size: 2.4rem;
  }

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

/* Mobile Phones */
@media (max-width: 768px) {
  .hero {
    padding: 10px 20px 40px;
  }

  .page-header {
    padding: 15px 20px 20px;
  }

  .page-header h1 {
    font-size: 2.2rem;
    line-height: 1.1;
    margin-bottom: 8px;
  }

  .page-header p {
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .hero-profile-wrapper {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .hero-profile-info {
    align-items: center;
  }

  .hero-subtitle {
    margin: 0 auto 20px auto !important;
    font-size: 0.95rem !important;
  }

  .social-btn-group {
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  .hero-profile-img {
    width: 180px;
    height: 180px;
  }

  .hero-name {
    font-size: 1.8rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

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

  .navbar {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 10px 12px;
    gap: 10px;
  }

  .nav-brand {
    font-size: 0.95rem;
    order: 1;
    white-space: nowrap;
  }

  .nav-actions {
    justify-content: flex-end;
    gap: 6px !important;
    order: 2;
  }

  .nav-actions a,
  .nav-actions button {
    white-space: nowrap;
    font-size: 0.75rem !important;
    padding: 6px 10px !important;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    gap: 16px;
    font-size: 0.85rem;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    order: 3;
  }

  .data-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .row-number {
    text-align: left;
    margin-top: 0;
    margin-bottom: 5px;
    font-size: 1rem;
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 10px;
    border-radius: 4px;
  }

  .contact-card {
    padding: 30px 20px !important;
  }

  .contact-avatar {
    width: 200px !important;
    height: 200px !important;
  }

  .contact-card h1 {
    font-size: 2.2rem !important;
  }
}

/* Small Screens */
@media (max-width: 480px) {
  .stats-banner {
    grid-template-columns: 1fr;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .hero::before {
    width: 100%;
    height: 400px;
  }
}

/* ------------------------------------- */
/* Projects.html Accordion List Styles   */
/* ------------------------------------- */
.projects-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 9px 20px 80px;
}

.projects-header-row {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 1.5fr 50px;
  gap: 15px;
  padding: 10px 20px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.project-row {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
}

.project-row:hover,
.project-row.active {
  border-color: #3B82F6;
  background: var(--bg-hover);
}

.project-summary {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 1.5fr 50px;
  gap: 15px;
  padding: 16px 20px;
  align-items: center;
  cursor: pointer;
}

.col-title h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.col-title .tech-stack {
  font-size: 0.8rem;
  color: var(--tag-blue-text);
  font-weight: 500;
}

.col-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.col-type {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.col-link a {
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  transition: all 0.2s;
}

.col-link a:hover {
  background: #10B981;
  color: #fff;
}

.col-toggle {
  text-align: right;
  color: var(--text-muted);
}

.project-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  background: var(--overlay-bg);
}

.project-row.active .project-details {
  border-top: 1px solid var(--border-color);
}

.project-details-content {
  padding: 24px 20px;
  color: var(--text-muted);
}

.project-details-content h4 {
  color: var(--text-main);
  font-size: 1rem;
  margin-bottom: 8px;
}

.project-details-content p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.project-details-content ul {
  padding-left: 20px;
  margin-top: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.project-details-content li {
  margin-bottom: 6px;
}

/* Responsive Overrides */
@media (max-width: 992px) {
  .projects-header-row {
    display: none;
  }

  .project-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    grid-template-columns: none;
  }

  .col-title {
    flex: 1 1 250px;
  }

  .col-tags {
    flex: 1 1 auto;
  }

  .col-type {
    flex: 1 1 auto;
  }

  .col-link {
    flex: 0 0 auto;
    margin-left: auto;
  }

  .col-toggle {
    display: none;
  }

  .col-title .tech-stack {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .project-summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .col-title,
  .col-tags,
  .col-type,
  .col-link {
    flex: 0 0 auto;
    width: 100%;
  }

  .col-link {
    margin-left: 0;
  }

  .col-title .tech-stack {
    margin-bottom: 8px;
  }
}
/* Anti-Copy and Persona specific CSS by sshihabb007 */
.mehedi-protected {
  -webkit-user-select: none; /* Safari */
  -ms-user-select: none; /* IE 10 and IE 11 */
  user-select: none; /* Standard syntax */
}

#sshihabb007-body {
  /* Main protected area root */
}