/* ============================================================
   Luis W. – Portfolio / Dark Theme
   Palette inspired by colorhunt.co dark-tech palettes
   UI elements inspired by uiverse.io
   ============================================================ */

/* --- RESET & VARIABLES --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #060a13;
  --bg:         #0a0f1a;
  --surface:    #111a2e;
  --surface2:   #182038;
  --surface3:   #1f2b45;
  --border:     #243049;
  --border-hi:  #2f4060;
  --text:       #e2e8f0;
  --text-sec:   #7a8baa;
  --text-dim:   #4a5a78;
  --accent:     #38bdf8;
  --accent2:    #818cf8;
  --accent-glow: rgba(56,189,248,0.15);
  --accent2-glow:rgba(129,140,248,0.12);
  --green:      #34d399;
  --green-bg:   #0b2620;
  --green-bdr:  #166534;
  --amber:      #fbbf24;
  --amber-bg:   #271e05;
  --amber-bdr:  #92400e;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 2px 8px rgba(0,0,0,0.4), 0 8px 32px rgba(0,0,0,0.2);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.5);
  --glass:      rgba(17,26,46,0.65);
  --glass-bdr:  rgba(56,189,248,0.08);
  --font:       'DM Sans', system-ui, sans-serif;
  --mono:       'JetBrains Mono', 'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
}

/* --- BACKGROUND GRID (subtle dot pattern) --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(56,189,248,0.03) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* --- NAV --- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--glass-bdr);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo .dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 0.25rem; }
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-sec);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface2); }
.nav-badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  background: rgba(56,189,248,0.1);
  color: var(--accent);
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  font-weight: 500;
  border: 1px solid rgba(56,189,248,0.2);
  transition: background 0.2s, border-color 0.2s;
}
.nav-badge:hover {
  background: rgba(56,189,248,0.18);
  border-color: rgba(56,189,248,0.35);
}

/* --- SECTIONS --- */
.section {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.section + .section { padding-top: 3rem; }

/* --- HERO --- */
.hero {
  padding-top: 8rem;
  padding-bottom: 5rem;
  text-align: center;
  position: relative;
}
.hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(56,189,248,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.15);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: 1.2rem;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-sec);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}
.hero-cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* --- BUTTONS (uiverse.io inspired glow) --- */
.btn-glow {
  position: relative;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  font-size: 0.88rem;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.3s;
  box-shadow: 0 0 20px rgba(56,189,248,0.2), 0 0 40px rgba(56,189,248,0.05);
}
.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(56,189,248,0.35), 0 0 60px rgba(56,189,248,0.1);
}
.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent));
  border-radius: 10px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-glow:hover::before { opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hi);
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  font-size: 0.88rem;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.btn-outline:hover {
  background: var(--surface2);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* --- SECTION HEADINGS --- */
.sec-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.sec-title {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}
.sec-sub {
  color: var(--text-sec);
  font-size: 0.92rem;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

/* --- DIVIDER --- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: 1000px;
  margin: 0 auto;
}

/* --- GLASSMORPHISM CARD (uiverse.io style) --- */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-bdr);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.glass-card:hover {
  border-color: rgba(56,189,248,0.18);
  box-shadow: var(--shadow-lg);
}

/* --- ABOUT GRID --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 640px) { .about-grid { grid-template-columns: 1fr; } }
.about-card-full { grid-column: 1 / -1; }
.glass-card h3 {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-sec);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  font-family: var(--mono);
}
.glass-card p { font-size: 0.92rem; line-height: 1.7; color: var(--text); }
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--text-sec); }
.info-row .value { font-weight: 500; color: var(--text); }

/* ============================================================
   WORK EXPERIENCE TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border), var(--border));
  border-radius: 1px;
}
.tl-entry {
  position: relative;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
}
.tl-entry.visible {
  opacity: 1;
  transform: translateY(0);
}
.tl-dot {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg);
  z-index: 2;
}
.tl-entry.current .tl-dot {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow);
}
.tl-entry.current .tl-dot::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--bg);
  width: 6px; height: 6px;
}
.tl-entry.future .tl-dot {
  border-color: var(--text-dim);
  border-style: dashed;
}
.tl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.tl-card:hover {
  border-color: var(--border-hi);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}
.tl-entry.current .tl-card {
  border-color: rgba(56,189,248,0.2);
  background: linear-gradient(135deg, var(--surface), rgba(56,189,248,0.03));
}
.tl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.tl-role {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.tl-period {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-sec);
  padding: 0.2rem 0.6rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  white-space: nowrap;
}
.tl-company {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.tl-desc {
  font-size: 0.84rem;
  color: var(--text-sec);
  line-height: 1.65;
}
.tl-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }
.tl-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  background: var(--surface2);
  color: var(--text-sec);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.tl-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  white-space: nowrap;
}
.badge-current { background: rgba(56,189,248,0.1); color: var(--accent); border: 1px solid rgba(56,189,248,0.2); }
.badge-planned { background: var(--surface2); color: var(--text-sec); border: 1px solid var(--border); }

/* ============================================================
   ROADMAP (same accordion style as original, dark)
   ============================================================ */
.roadmap-legend {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-sec);
  font-family: var(--mono);
}
.legend-dot { width: 9px; height: 9px; border-radius: 3px; flex-shrink: 0; }
.dot-done { background: var(--green); box-shadow: 0 0 4px rgba(52,211,153,0.4); }
.dot-progress { background: var(--amber); box-shadow: 0 0 4px rgba(251,191,36,0.4); }
.dot-planned { background: var(--text-dim); }

.roadmap-categories { display: flex; flex-direction: column; gap: 1rem; }

.rm-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.rm-cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid transparent;
  background: var(--surface2);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.rm-cat-header:hover { background: var(--surface3); }
.rm-category.open .rm-cat-header { border-bottom-color: var(--border); }
.rm-cat-left { display: flex; align-items: center; gap: 0.75rem; }
.rm-cat-icon {
  font-size: 1rem;
  width: 34px; height: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rm-cat-name { font-weight: 600; font-size: 0.92rem; }
.rm-cat-right { display: flex; align-items: center; gap: 0.75rem; }
.rm-progress-bar {
  width: 90px; height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.rm-progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.6s ease;
}
.rm-pct {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-sec);
  min-width: 2.5rem;
  text-align: right;
}
.rm-chevron {
  font-size: 0.7rem;
  color: var(--text-sec);
  transition: transform 0.25s;
}
.rm-category.open .rm-chevron { transform: rotate(180deg); }
.rm-items {
  display: none;
  padding: 0.75rem 1rem;
  gap: 0.5rem;
  flex-direction: column;
}
.rm-category.open .rm-items { display: flex; }
.rm-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  gap: 0.75rem;
  transition: border-color 0.2s, background 0.2s;
}
.rm-item:hover { border-color: var(--border-hi); background: var(--surface); }
.rm-item-left { display: flex; align-items: center; gap: 0.6rem; flex: 1; min-width: 0; }
.rm-item-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.rm-item-name {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rm-item-note {
  font-size: 0.72rem;
  color: var(--text-sec);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rm-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.18rem 0.5rem;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-done { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-bdr); }
.badge-progress { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber-bdr); }
.badge-planned-rm { background: var(--surface2); color: var(--text-sec); border: 1px solid var(--border); }

/* ============================================================
   PROJECTS GRID
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  position: relative;
  overflow: hidden;
}
/* Animated border glow on hover (uiverse.io inspired) */
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(56,189,248,0.15), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity 0.4s;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.project-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; }
.project-icon {
  font-size: 1.2rem;
  width: 40px; height: 40px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-status { font-size: 0.68rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 20px; }
.status-live { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-bdr); }
.status-wip { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber-bdr); }
.status-done { background: rgba(56,189,248,0.08); color: var(--accent); border: 1px solid rgba(56,189,248,0.2); }
.project-name { font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em; }
.project-desc { font-size: 0.83rem; color: var(--text-sec); line-height: 1.65; flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  background: var(--surface2);
  color: var(--text-sec);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-sec);
  position: relative;
  z-index: 1;
}
footer a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
footer a:hover { color: var(--accent2); }

/* --- ANIMATIONS (anime.js targets) --- */
.anim-up {
  opacity: 0;
  transform: translateY(24px);
}
.anim-fade {
  opacity: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 640px) {
  .nav-links a:not(.nav-badge) { display: none; }
  .hero h1 { font-size: 2rem; }
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 26px; }
  .rm-cat-name { font-size: 0.82rem; }
  .rm-progress-bar { width: 60px; }
}