/* ==========================================================================
   PORTFOLIO DESIGN SYSTEM - SENIOR INFORMATION ANALYST (GEORGE MAIA)
   ========================================================================== */

:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(56, 189, 248, 0.35);

  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --gradient-brand: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
  --gradient-dark: linear-gradient(180deg, #0a0f1d 0%, #0f172a 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  --gradient-card: linear-gradient(145deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.5);
  --shadow-cyan: 0 0 25px rgba(56, 189, 248, 0.2);
  --shadow-indigo: 0 0 25px rgba(99, 102, 241, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(16, 185, 129, 0.03) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 0;
}

p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

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

a:hover {
  color: #7dd3fc;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Header & Glass Navigation Bar */
.navbar-custom {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 0;
  transition: var(--transition);
}

.navbar-custom.scrolled {
  background: rgba(10, 15, 29, 0.95);
  box-shadow: var(--shadow-md);
  padding: 0.65rem 0;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.brand-title {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-link-custom {
  color: var(--text-muted) !important;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link-custom:hover,
.nav-link-custom.active {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link-custom.active {
  color: var(--accent-cyan) !important;
}

.btn-nav-action {
  background: var(--gradient-brand);
  color: #0b1120 !important;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-nav-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.5);
  color: #000 !important;
}

/* Section Common Styles */
section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0.75rem auto 0;
}

/* Glass Card */
.glass-card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-cyan);
}

/* Hero Section */
.hero-section {
  padding-top: 8.5rem;
  padding-bottom: 5.5rem;
  background: radial-gradient(circle at 50% 10%, rgba(56, 189, 248, 0.12) 0%, transparent 60%);
  position: relative;
}

.hero-profile-box {
  text-align: center;
  position: relative;
}

.hero-avatar-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.hero-avatar {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(56, 189, 248, 0.6);
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.35);
  background: var(--bg-secondary);
}

.hero-badge-status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: #0f172a;
  border: 2px solid var(--accent-emerald);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse-emerald 2s infinite;
}

@keyframes pulse-emerald {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-role-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-bio {
  font-size: 1.125rem;
  color: #cbd5e1;
  max-width: 780px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary-custom {
  background: var(--gradient-brand);
  color: #0b1120 !important;
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  border: none;
  font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.5);
  color: #000 !important;
}

.btn-outline-custom {
  background: rgba(255, 255, 255, 0.05);
  color: #fff !important;
  border: 1px solid var(--border-color);
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-outline-custom:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  color: var(--accent-cyan) !important;
}

/* Quick Metrics Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}

.stat-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--accent-cyan);
  background: rgba(30, 41, 59, 0.6);
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.35rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

/* Competencies Section */
.competency-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.competency-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.competency-card:hover .competency-icon-box {
  background: var(--accent-cyan);
  color: #0b1120;
  transform: scale(1.08);
}

.competency-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.competency-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  flex-grow: 1;
  line-height: 1.6;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 1.25rem;
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

/* Badges Showcase */
.badges-container {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
  margin-top: 1.5rem;
}

.badge-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  text-align: center;
  width: 100%;
  height: 100%;
}

.badge-link:hover {
  transform: translateY(-5px) scale(1.05);
  border-color: var(--accent-cyan);
  background: rgba(30, 41, 59, 0.8);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3), 0 0 15px rgba(56, 189, 248, 0.2);
}

.badge-link img {
  max-width: 90px;
  max-height: 90px;
  object-fit: contain;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
  transition: var(--transition);
}

.badge-caption {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.2;
}

/* Projects Section */
.project-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-cyan);
}

.project-img-wrapper {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: #0b1120;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.06);
}

.project-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.65rem;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.project-links {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.project-link-btn {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.project-link-btn:hover {
  color: var(--accent-cyan);
}

/* Timeline (Work Experience) */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan) 0%, var(--accent-indigo) 100%);
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 75px;
}

.timeline-dot {
  position: absolute;
  left: 20px;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
  z-index: 2;
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-cyan);
  transform: scale(1.2);
}

.timeline-content {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: var(--border-color-hover);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 0.5rem;
}

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.timeline-body {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.6;
}

/* Education Cards */
.edu-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.edu-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.edu-logo-wrapper {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  padding: 12px;
}

.edu-logo-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.edu-degree {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.edu-institution {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.edu-details {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Data Analytics & Certificates Dashboard */
.analytics-dashboard {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 2.5rem;
}

.chart-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  height: 100%;
}

.chart-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* DataTables Dark Overrides */
#table-container {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
}

.dataTables_wrapper {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_processing,
.dataTables_wrapper .dataTables_paginate {
  color: var(--text-muted) !important;
  margin-bottom: 1rem;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  background: rgba(30, 41, 59, 0.8) !important;
  border: 1px solid var(--border-color) !important;
  color: #fff !important;
  border-radius: var(--radius-sm) !important;
  padding: 5px 10px !important;
}

.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--accent-cyan) !important;
  outline: none;
}

table.dataTable {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  width: 100% !important;
  margin-bottom: 1rem !important;
}

table.dataTable thead th {
  background: rgba(30, 41, 59, 0.9) !important;
  color: #fff !important;
  border-bottom: 2px solid var(--border-color) !important;
  font-weight: 700;
  padding: 10px 12px !important;
}

table.dataTable tbody td {
  background: transparent !important;
  color: #cbd5e1 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
  padding: 10px 12px !important;
  vertical-align: middle;
}

table.dataTable tbody tr:hover td {
  background: rgba(56, 189, 248, 0.06) !important;
}

.page-item.active .page-link {
  background-color: var(--accent-cyan) !important;
  border-color: var(--accent-cyan) !important;
  color: #0b1120 !important;
  font-weight: 700;
}

.page-link {
  background-color: rgba(30, 41, 59, 0.8) !important;
  border-color: var(--border-color) !important;
  color: var(--text-muted) !important;
}

/* Coding Activity Cards */
.activity-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  height: 100%;
}

.activity-card embed,
.activity-card figure {
  width: 100%;
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* GitHub Calendar Styling Overrides */
.calendar {
  border: none !important;
  background: transparent !important;
  color: var(--text-muted);
}

.calendar .contrib-number {
  color: #fff !important;
}

/* Contact Section */
.contact-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
}

.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.contact-card:hover .contact-icon {
  background: var(--accent-cyan);
  color: #0b1120;
}

.contact-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.iframe-container {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
}

/* Footer */
.footer-custom {
  background: #070a14;
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
  color: var(--text-dim);
  font-size: 0.875rem;
}

.footer-social-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.footer-social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.footer-social-icon:hover {
  background: var(--accent-cyan);
  color: #0b1120;
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #0b1120;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.6);
}

/* Filter buttons */
.filter-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-cyan);
  color: #0b1120;
  border-color: var(--accent-cyan);
  box-shadow: 0 2px 10px rgba(56, 189, 248, 0.3);
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item {
    padding-left: 55px;
  }
  .timeline-dot {
    left: 10px;
  }
  .navbar-collapse {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-top: 10px;
  }
}

@media (max-width: 575.98px) {
  .hero-title {
    font-size: 2rem;
  }
  .hero-role-title {
    font-size: 1.15rem;
  }
  .hero-avatar {
    width: 130px;
    height: 130px;
  }
  .badges-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }
  .badges-container {
    padding: 1.25rem;
  }
}