.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  background: transparent;
  color: var(--accent);
  font-size: 0.8rem;
  cursor: pointer;
}

.lang-toggle:hover {
  background: rgba(41, 182, 246, 0.12);
}

:root {
  --bg: #050611;
  --bg-elevated: #0b0d1a;
  --accent: #29b6f6;
  --accent-soft: rgba(41, 182, 246, 0.35);
  --text: #f5f5f5;
  --muted: #9ea4c8;
  --danger: #ff5252;
  --warning: #ffca28;
  --success: #66bb6a;
  --radius: 18px;
  --shadow-neon: 0 0 20px rgba(41, 182, 246, 0.5);
}

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

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #121325 0, #03040b 55%, #000 100%);
  color: var(--text);
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.background-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 20%, rgba(41, 182, 246, 0.16), transparent 60%),
    radial-gradient(circle at 90% 80%, rgba(92, 107, 192, 0.18), transparent 60%);
  opacity: 0.9;
  z-index: -1;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 7%;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(3, 4, 11, 0.9), transparent);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  color: var(--accent);
  font-size: 1.4rem;
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.2s;
}

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

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

.container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 24px 7% 60px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 32px;
  padding: 32px 0 40px;
  align-items: center;
}

.hero h1 {
  font-size: 1.9rem;
  line-height: 1.3;
  margin-bottom: 10px;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 10px;
}

.hero-tagline {
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--accent);
  color: #020308;
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent-soft);
}

.btn-secondary:hover {
  background: rgba(41, 182, 246, 0.1);
}

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

.card {
  background: radial-gradient(circle at top, #151833 0, #050612 65%);
  border-radius: var(--radius);
  padding: 14px 14px 16px;
  border: 1px solid rgba(80, 92, 160, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(41, 182, 246, 0.25), transparent 55%);
  opacity: 0;
  transition: opacity 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(41, 182, 246, 0.3);
  border-color: var(--accent);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.card p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.card button,
.card a.card-button {
  border-radius: 999px;
  border: none;
  padding: 6px 14px;
  background: rgba(41, 182, 246, 0.15);
  color: var(--accent);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card button:hover,
.card a.card-button:hover {
  background: rgba(41, 182, 246, 0.28);
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link h3,
.card-link p,
.card-link .card-button-like {
  pointer-events: none;
}

.card-button-like {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(41, 182, 246, 0.15);
  color: var(--accent);
  font-size: 0.8rem;
}

.card-link:hover .card-button-like {
  background: rgba(41, 182, 246, 0.28);
}

.section {
  margin-top: 36px;
  padding: 18px 16px 20px;
  background: linear-gradient(135deg, rgba(11, 13, 26, 0.96), rgba(6, 8, 20, 0.96));
  border-radius: var(--radius);
  border: 1px solid rgba(80, 92, 160, 0.5);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6);
  scroll-margin-top: 120px;
}

.section h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.section p {
  font-size: 0.9rem;
  color: var(--muted);
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.skills-grid span {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(33, 150, 243, 0.12);
  border: 1px solid rgba(33, 150, 243, 0.35);
  font-size: 0.8rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 6px;
}

.project-card {
  background: rgba(4, 6, 18, 0.9);
  border-radius: var(--radius);
  padding: 12px 12px 14px;
  border: 1px solid rgba(80, 92, 160, 0.55);
}

.project-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.project-card p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.project-card button {
  border-radius: 999px;
  border: none;
  padding: 6px 13px;
  background: rgba(41, 182, 246, 0.16);
  color: var(--accent);
  font-size: 0.8rem;
  cursor: pointer;
}

.project-card button:hover {
  background: rgba(41, 182, 246, 0.3);
}

.terminal-section {
  margin-top: 40px;
}

.terminal-window {
  margin-top: 10px;
  border-radius: 6px;
  background: #300a24;
  border: 1px solid #1e0315;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  background: #2c001e;
  border-bottom: 1px solid #1e0315;
}

.terminal-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: #f2d5ff;
}

.terminal-body {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.83rem;
  padding: 10px 12px 8px;
  height: 190px;
  overflow-y: auto;
  color: #fcefff;
  background: #300a24;
}

.terminal-line {
  margin-bottom: 4px;
}

.terminal-command {
  color: #66ff99;
}

.terminal-input-area {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 9px;
  background: #300a24;
  border-top: 1px solid #1e0315;
}

.prompt {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.83rem;
  color: #d286ff;
}

#terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fcefff;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.83rem;
}

.secret-section {
  border-style: dashed;
  border-color: rgba(41, 182, 246, 0.7);
  margin-top: 28px;
}

.secret-section ul {
  margin-top: 6px;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer {
  margin-top: 32px;
  padding: 14px 7%;
  border-top: 1px solid rgba(80, 92, 160, 0.5);
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-name {
  cursor: pointer;
}

.footer-note {
  opacity: 0.8;
}

.footer-secret {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 320px;
  background: #050816;
  border-radius: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(41, 182, 246, 0.7);
  box-shadow: var(--shadow-neon);
  font-size: 0.78rem;
  z-index: 20;
}

.footer-secret .ascii-art {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  margin-bottom: 6px;
  color: var(--accent);
}

/* SNAKE */

#snake-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(420px, 90vw);
  background: #050816;
  border-radius: 16px;
  border: 1px solid rgba(41, 182, 246, 0.7);
  box-shadow: 0 0 24px rgba(41, 182, 246, 0.7);
  z-index: 16;
  padding: 10px 12px 12px;
}

#snake-panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.snake-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: #e0f2f1;
}

#snake-score-label {
  display: flex;
  align-items: center;
  gap: 4px;
}

#snake-canvas {
  width: 100%;
  height: auto;
  background: #020308;
  border-radius: 10px;
  border: 1px solid rgba(41, 182, 246, 0.5);
}

#snake-tip {
  margin-top: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: #9ea4c8;
}

#snake-hint {
  margin-top: 2px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: #b3e5fc;
}

/* MATRIX */

#matrix-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(700px, 90vw);
  height: min(400px, 65vh);
  background: #050816;
  border-radius: 16px;
  border: 1px solid rgba(41, 182, 246, 0.7);
  box-shadow: 0 0 24px rgba(41, 182, 246, 0.7);
  z-index: 15;
  overflow: hidden;
}

#matrix-overlay canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#matrix-tip {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: #00ffbf;
  opacity: 0.8;
  pointer-events: none;
}

.hidden {
  display: none !important;
}

body.albero-mode {
  background: radial-gradient(circle at top, #1a237e 0, #020206 60%, #000 100%);
}

body.albero-mode .card,
body.albero-mode .section,
body.albero-mode .terminal-window {
  box-shadow: 0 0 28px rgba(41, 182, 246, 0.75);
  border-color: rgba(129, 212, 250, 0.85);
}

body.albero-mode .hero-tagline {
  text-shadow: 0 0 12px rgba(41, 182, 246, 0.85);
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .top-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .nav-links {
    flex-wrap: wrap;
    font-size: 0.85rem;
  }
}