/* ==========================================================
   ROBERTO HANET — Portfolio Stylesheet
   Dark, minimal, violet/blue accent palette
   ========================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg:          #0d0d0f;
  --bg-alt:      #111115;
  --surface:     #18181d;
  --surface-2:   #1e1e26;
  --border:      rgba(255,255,255,0.07);

  --accent:      #7c5cfc;   /* violet */
  --accent-2:    #4f9cf9;   /* blue   */
  --accent-glow: rgba(124, 92, 252, 0.35);

  --text:        #e8e8f0;
  --text-muted:  #8888a0;
  --text-dim:    #55556a;

  --radius:      12px;
  --radius-lg:   20px;
  --transition:  0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section { padding-block: 6rem; }
.section-alt { background: var(--bg-alt); }

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-sub {
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 3rem;
}
.section-sub a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  transition: opacity var(--transition);
}
.section-sub a:hover { opacity: 0.75; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 18px var(--accent-glow);
}
.btn-primary:hover {
  background: #6b4de6;
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.82rem; margin-top: 1rem; }

/* Two or more buttons side by side at the bottom of a card */
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.card-actions .btn-sm { margin-top: 1rem; }

.btn-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}


/* ==========================================================
   NAVIGATION
   ========================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(13,13,15,0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }


/* ==========================================================
   HERO
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 5rem;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin-inline: auto;
  padding: 2rem 1.5rem;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-bio {
  color: var(--text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Decorative glowing orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.25;
  pointer-events: none;
}
.orb-1 {
  width: 420px; height: 420px;
  background: var(--accent);
  top: -80px; left: -100px;
}
.orb-2 {
  width: 340px; height: 340px;
  background: var(--accent-2);
  bottom: -60px; right: -80px;
}


/* ==========================================================
   MUSIC PLAYER
   ========================================================== */
.player-wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  align-items: start;
}

.player-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 16/9;
  box-shadow: 0 0 40px rgba(0,0,0,0.5);
}

.player-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Playlist */
.playlist {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-2) transparent;
}

.track {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
  color: var(--text);
  font-family: inherit;
}
.track:last-child { border-bottom: none; }
.track:hover { background: var(--surface-2); }
.track.active {
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
}

.track-num {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
  flex-shrink: 0;
}
.track.active .track-num { color: var(--accent); }

.track-info strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.track-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}


/* ==========================================================
   SOFTWARE CARDS
   ========================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px var(--accent) inset;
}

.card-icon {
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  border-bottom: 1px solid var(--border);
}
.card-icon img {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  object-fit: cover;
}

.card-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.5rem 0 0.6rem;
}

.card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.card-tags span {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Status badges */
.card-badge {
  display: inline-block;
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.card-badge--live {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}
.card-badge--dev {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.25);
}


/* ==========================================================
   EXPERTISE GRID
   ========================================================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.expertise-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.expertise-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.expertise-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.expertise-item h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.expertise-item p {
  color: var(--text-muted);
  font-size: 0.87rem;
}


/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding-block: 3rem 1.5rem;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.footer-left p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  max-width: 280px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-links svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer-copy {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}


/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 900px) {
  .player-wrapper {
    grid-template-columns: 1fr;
  }
  .playlist {
    max-height: 320px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;         /* simple hide on small screens — add a hamburger if needed */
  }
  .nav { padding: 0.9rem 1.2rem; }

  .hero-content { padding: 1.5rem 1rem; }
  .hero-cta { flex-direction: column; align-items: center; }

  .section { padding-block: 4rem; }

  .footer-inner { flex-direction: column; }
  .footer-links { flex-direction: row; flex-wrap: wrap; gap: 1rem; }
}