/* ==========================================================================
   PORTFOLIO STYLES - PORT (portrcr)
   Modern, responsive, accessible, vanilla CSS with Dark / Light Theme
   ========================================================================== */

:root {
  /* Dark Theme (Default) */
  --bg-primary: #0a0d14;
  --bg-secondary: #121722;
  --bg-tertiary: #1a2232;
  --bg-card: rgba(22, 29, 43, 0.75);
  --bg-card-hover: rgba(28, 38, 57, 0.85);
  --bg-glass: rgba(16, 22, 34, 0.7);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(16, 185, 129, 0.4);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-heading: #ffffff;

  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas, "Courier New", monospace;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px var(--accent-emerald-glow);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  --container-max-width: 1180px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --border-accent: rgba(5, 150, 105, 0.35);

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-heading: #0f172a;

  --accent-emerald: #059669;
  --accent-emerald-glow: rgba(5, 150, 105, 0.2);
  --accent-cyan: #0284c7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.2);
  --accent-purple: #7c3aed;
  --accent-amber: #d97706;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(5, 150, 105, 0.15);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  position: relative;
}

/* Ambient Background Glow Effect */
body::before {
  content: "";
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-emerald-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button, input, textarea {
  font-family: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

.skip-to-content {
  position: absolute;
  top: -50px;
  left: 20px;
  background: var(--accent-emerald);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
  font-weight: 600;
}
.skip-to-content:focus {
  top: 20px;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Typography & Helpers
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
}

.font-mono {
  font-family: var(--font-mono);
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
  background: var(--accent-emerald-glow);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid var(--border-accent);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.highlight {
  color: var(--accent-emerald);
  position: relative;
}

.highlight-cyan {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
}

.brand-prompt {
  color: var(--accent-emerald);
}

.brand-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent-emerald);
  margin-left: 2px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-emerald);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-emerald);
  transition: width var(--transition-normal);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  transform: translateY(-1px);
}

.theme-icon-light {
  display: none;
}
[data-theme="light"] .theme-icon-dark {
  display: none;
}
[data-theme="light"] .theme-icon-light {
  display: block;
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: var(--accent-emerald);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-emerald-glow);
}

.btn-primary:hover {
  background: #0ea371;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-icon {
  padding: 10px;
  border-radius: var(--radius-md);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-emerald);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 100px 0 80px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 12px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-heading);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Visual / Terminal Card */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.profile-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.profile-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-cyan));
}

.profile-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.profile-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 2px solid var(--accent-emerald);
  object-fit: cover;
  background: var(--bg-tertiary);
}

.profile-info h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.profile-handle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-emerald);
  margin-bottom: 8px;
}

.profile-socials {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.social-icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  color: var(--accent-emerald);
  border-color: var(--accent-emerald);
  transform: translateY(-2px);
}

/* Terminal Widget */
.terminal-window {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  background: #161b22;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-size: 0.78rem;
  color: #8b949e;
}

.terminal-body {
  padding: 18px 20px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #c9d1d9;
}

.terminal-body pre {
  margin: 0;
  overflow-x: auto;
}

.c-kw { color: #ff7b72; font-weight: 600; }
.c-type { color: #79c0ff; }
.c-func { color: #d2a8ff; }
.c-str { color: #a5d6ff; }
.c-comm { color: #8b949e; font-style: italic; }

/* ==========================================================================
   About Section
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-text p strong {
  color: var(--text-heading);
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-emerald-glow);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.pillar-title {
  font-size: 1.15rem;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Skills Section
   ========================================================================== */

.skills-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
}

.skill-category-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.category-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.cat-systems { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.cat-backend { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.cat-web { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.cat-tools { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }

.category-title {
  font-size: 1.15rem;
}

.skill-items-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
}

.skill-name {
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.skill-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-cyan));
  transition: width 1s ease-in-out;
}

/* ==========================================================================
   Projects Section
   ========================================================================== */

.projects-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.filter-btn.active {
  background: var(--accent-emerald);
  color: #fff;
  border-color: var(--accent-emerald);
  box-shadow: 0 2px 10px var(--accent-emerald-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-category-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-emerald);
  background: var(--accent-emerald-glow);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
}

.project-links-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-icon-link {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.project-icon-link:hover {
  color: var(--accent-emerald);
}

.project-title {
  font-size: 1.35rem;
  margin-bottom: 10px;
  color: var(--text-heading);
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 3px 9px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.project-btn-details {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.project-btn-details:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Certifications & Learning
   ========================================================================== */

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 30px;
}

.cert-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--accent-emerald), var(--accent-cyan));
}

.cert-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.cert-modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.cert-module-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.module-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--accent-emerald-glow);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.module-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.module-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Interactive Terminal Section
   ========================================================================== */

.cli-container {
  max-width: 820px;
  margin: 0 auto;
}

.cli-window {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 30px var(--accent-emerald-glow);
  overflow: hidden;
  font-family: var(--font-mono);
}

.cli-header {
  background: #141a29;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cli-screen {
  padding: 24px;
  min-height: 320px;
  max-height: 480px;
  overflow-y: auto;
  color: #c9d1d9;
  font-size: 0.92rem;
  line-height: 1.6;
}

.cli-history {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.cli-line-command {
  color: #58a6ff;
  font-weight: 600;
}

.cli-line-output {
  color: #e6edf3;
  margin-top: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}

.cli-prompt-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cli-prompt-text {
  color: #7ee787;
  font-weight: 600;
  flex-shrink: 0;
}

.cli-input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.92rem;
  width: 100%;
}

.cli-quick-commands {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.quick-cmd-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 4px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--accent-emerald);
  transition: all var(--transition-fast);
}

.quick-cmd-btn:hover {
  background: var(--accent-emerald);
  color: #fff;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-emerald-glow);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-item-value {
  font-weight: 600;
  color: var(--text-heading);
}

.contact-item-value a:hover {
  color: var(--accent-emerald);
  text-decoration: underline;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-emerald);
  box-shadow: 0 0 0 3px var(--accent-emerald-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

/* Honeypot field for spam prevention */
.hp-field {
  display: none !important;
  visibility: hidden !important;
}

.form-status {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.95rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--accent-emerald);
  color: var(--accent-emerald);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #ef4444;
  color: #f87171;
}

/* ==========================================================================
   Project Modal
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 32px;
  position: relative;
  animation: modal-pop 0.25s ease-out;
}

@keyframes modal-pop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: #fff;
  background: #ef4444;
}

.modal-header {
  margin-bottom: 20px;
  padding-right: 40px;
}

.modal-title {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.modal-body {
  color: var(--text-secondary);
  line-height: 1.7;
}

.modal-body h4 {
  margin: 18px 0 8px 0;
  color: var(--text-heading);
}

.modal-body ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 16px;
}

.modal-body li {
  margin-bottom: 6px;
}

.modal-footer {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 50px 0 30px 0;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.footer-link:hover {
  color: var(--accent-emerald);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.scroll-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.scroll-top-btn:hover {
  color: var(--accent-emerald);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-strong);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 18px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: var(--shadow-lg);
  }

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

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

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section {
    padding: 70px 0;
  }
}