/* =========================
   RESET & THEME VARIABLES
========================= */
:root {
  --bg-body: #07090d;
  --bg-card: #0f131a;
  --bg-card-hover: #161b24;

  --border-subtle: #1b1f2a;
  --border-highlight: #2dd4bf;

  --text-primary: #e7e9ee;
  --text-secondary: #9aa3b2;
  --text-muted: rgba(231, 233, 238, 0.55);
  --text-accent: #2dd4bf;

  --font-main: 'JetBrains Mono', monospace;

  --radius-card: 12px;
  --radius-sm: 25px;

  --shadow-card: 0 10px 15px -3px rgba(0,0,0,0.55),
                 0 4px 6px -2px rgba(0,0,0,0.35);

  --gap: 2rem;
  --max-width: 1400px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

/* =========================
   BASE
========================= */
body {
  min-height: 100vh;
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;

  background-image: radial-gradient(
    ellipse at top,
    rgba(255, 255, 255, 0.04),
    transparent 55%
  );
}

/* =========================
   LAYOUT
========================= */
.app-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* =========================
   HERO
========================= */
.hero-section {
  text-align: center;
  animation: fadeIn 0.8s ease-out;
}

.name {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.role {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-accent);
  margin-bottom: 1.5rem;
}

.intro {
  max-width: 640px;
  margin: 0 auto;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  letter-spacing: 0.01em;
}

/* =========================
   MAIN GRID
========================= */
.content-wrapper {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--gap);
  align-items: start;
}

/* =========================
   NAVIGATION
========================= */
.nav-area {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: 2rem;
}

.nav-card {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 1rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  color: var(--text-muted);
}

.nav-card:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.nav-card.active {
  background: linear-gradient(
    180deg,
    rgba(45, 212, 191, 0.05),
    rgba(0, 0, 0, 0.35)
  ), var(--bg-card);

  border: 1px solid var(--border-highlight);
  color: var(--text-primary);

  /* IMPORTANT: no accent outline shadow */
  box-shadow: var(--shadow-card);
}

.nav-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-desc {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* =========================
   MAIN DISPLAY
========================= */
.main-display {
  position: relative;
  min-height: 500px;
}

.content-section {
  display: none;
  animation: fadeSlide 0.35s ease-out;
}

.content-section.active {
  display: block;
}

/* =========================
   CARDS (SHADCN STYLE)
========================= */
.card-container,
.project-card,
.contact-card,
.skill-category,
.timeline-container {
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.02),
      rgba(0, 0, 0, 0.18)
    ),
    var(--bg-card);

  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

/* =========================
   ABOUT
========================= */
.text-content p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.links-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  font-size: 0.85rem;
}

.text-link {
  color: var(--text-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 191, 0.4);
}

.text-link:hover {
  color: var(--text-primary);
}

/* =========================
   PROJECTS
========================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 212, 191, 0.35);
  background: var(--bg-card-hover);
}

.project-title {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

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

.card-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  margin-top: 2rem;

  display: flex;
  align-items: flex-start;   /* IMPORTANT */
  justify-content: space-between;
  gap: 1rem;
}


.tech-stack {
  font-size: 0.75rem;
  color: var(--text-accent);
  background: rgba(45, 212, 191, 0.12);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;

  /* FIX */
  white-space: normal;
  max-width: 100%;
  line-height: 1.4;
}


.card-actions {
  display: flex;
  align-items: center;
  margin-top: 0.6rem;
}


.btn-ghost {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.btn-ghost:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* =========================
   TIMELINE
========================= */
.timeline {
  display: flex;
  gap: 3rem;
  position: relative;
  padding-top: 1.5rem;
  min-width: 600px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 1px;
  width: 100%;
  background: var(--border-subtle);
}

.timeline-item {
  position: relative;
  flex: 1;
}

.timeline-dot {
  position: absolute;
  top: -1.85rem;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--bg-body);
  border: 2px solid var(--border-highlight);
  border-radius: 50%;
}

.year {
  font-size: 0.75rem;
  color: var(--text-accent);
  font-weight: 700;
}

.company {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.experience-list {
  list-style: none;
}

.experience-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 0.75rem;
  border-left: 2px solid var(--border-subtle);
  margin-bottom: 0.5rem;
}

/* =========================
   SKILLS
========================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.category-title {
  font-size: 0.8rem;
  color: var(--text-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-list li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
}

/* =========================
   CONTACT
========================= */
.contact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

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

.contact-link {
  color: var(--text-accent);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-link:hover {
  color: var(--text-primary);
}

.icon {
  width: 16px;
  height: 16px;
  color: var(--text-accent);
  flex-shrink: 0;
}

.content-section {
  padding-bottom: 0;
}

.content-section.active {
  margin-bottom: 2rem;
}


/* =========================
   ANIMATIONS
========================= */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 900px) {
  .content-section.active {
    margin-bottom: 2.5rem;
  }

  .card-container,
  .project-card,
  .contact-card,
  .timeline-container,
  .skill-category {
    margin-top: 0.5rem;
  }
  
  .content-wrapper {
    grid-template-columns: 1fr;
  }

  .nav-area {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .timeline {
    flex-direction: column;
    min-width: unset;
    padding-left: 1.5rem;
  }

  .timeline::before {
    width: 1px;
    height: 100%;
  }

  .timeline-dot {
    left: -1.6rem;
    top: 0.6rem;
  }
}

@media (max-width: 600px) {
  .contact-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .contact-link {
    font-size: 0.85rem;
    word-break: break-all; /* prevents overflow */
  }
  .app-layout {
    padding: 1.5rem 1rem;
  }

  .name {
    font-size: 1.8rem;
  }

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

@media (max-width: 420px) {
  .card-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-actions {
    margin-top: 0.5rem;
  }
}