:root {
  --bg: #0b0f17;
  --bg-elevated: #121826;
  --bg-elevated-2: #172033;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.16);
  --accent: #38bdf8;
  --accent-2: #34d399;
  --accent-glow: rgba(56, 189, 248, 0.18);
  --shadow: 0 20px 45px rgba(2, 6, 23, 0.45);
  --radius: 16px;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-elevated-2: #f1f5f9;
  --text: #0f172a;
  --text-muted: #475569;
  --border: rgba(15, 23, 42, 0.12);
  --accent: #0284c7;
  --accent-2: #059669;
  --accent-glow: rgba(2, 132, 199, 0.12);
  --shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    radial-gradient(circle at 18% 12%, var(--accent-glow), transparent 42%),
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 100% 100%, 44px 44px, 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), transparent 88%);
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

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

.icon-btn svg {
  width: 18px;
  height: 18px;
}

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

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

.menu-toggle {
  display: none;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  padding: 5.25rem 0 4rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin: 0 0 1.85rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 56ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.72rem 1.25rem;
  border-radius: 11px;
  font-size: 0.93rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.48rem 0.85rem;
  font-size: 0.83rem;
  border-radius: 9px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* Terminal Profile Card */
.hero-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated-2);
}

.terminal-bar .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.terminal-title {
  margin-left: 0.5rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-code {
  margin: 0;
  padding: 1.25rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.86rem;
  line-height: 1.7;
  overflow-x: auto;
}

.terminal-code .key { color: var(--accent); }
.terminal-code .str { color: var(--accent-2); }

/* Sections */
.section {
  padding: 4rem 0;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.section-kicker {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.section h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
  letter-spacing: -0.02em;
}

.section-sub {
  margin: 0;
  color: var(--text-muted);
}

/* Filter */
.filter-group {
  display: flex;
  gap: 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.3rem;
  border-radius: 12px;
}

.filter-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 9px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.filter-btn.active {
  background: var(--accent);
  color: #ffffff;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.project-card.is-hidden {
  display: none;
}

.project-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bg-elevated-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.subdomain-tag {
  position: absolute;
  left: 0.75rem;
  bottom: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  background: rgba(11, 15, 23, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: #e2e8f0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.73rem;
}

.project-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.badge {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
  padding: 0.22rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  color: var(--accent);
}

.project-body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.project-desc {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.skill-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.skill-box h3 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-list span {
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* About & Contact */
.about-card,
.contact-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.about-card p {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
  max-width: 72ch;
}

.contact-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.contact-card p {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Footer */
.footer {
  padding: 2.25rem 0 3rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(2, 6, 23, 0.75);
  backdrop-filter: blur(6px);
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-dialog {
  position: relative;
  width: min(740px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(11, 15, 23, 0.85);
  color: #ffffff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.modal-image-wrap {
  aspect-ratio: 16 / 9;
  background: var(--bg-elevated-2);
  border-bottom: 1px solid var(--border);
}

.modal-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-content {
  padding: 1.5rem;
}

.modal-content h3 {
  margin: 0 0 0.6rem;
  font-size: 1.45rem;
}

.modal-content h4 {
  margin: 1.1rem 0 0.5rem;
  font-size: 0.96rem;
}

.modal-content p,
.modal-content ul {
  color: var(--text-muted);
  font-size: 0.94rem;
}

.modal-content ul {
  margin: 0 0 1.4rem;
  padding-left: 1.25rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3.5rem;
  }

  .projects-grid,
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 4%;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .projects-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }
}