/* ══ TOKENS ══════════════════════════════════════ */
:root {
  --accent:      #ff9100;
  --accent-dim:  rgba(168,85,247,0.1);
  --accent-glow: rgba(168,85,247,0.28);
  --radius:      13px;
  --nav-h:       62px;
  --ease:        cubic-bezier(0.4,0,0.2,1);
  --t:           0.3s;
}
[data-theme="dark"] {
  --bg:       #0c0a14;
  --bg2:      #100d1b;
  --surface:  #17132a;
  --surface2: #1d1835;
  --border:   #2d2448;
  --text:     #dddaf0;
  --muted:    #7a6f9f;
  --heading:  #f0eeff;
}
[data-theme="light"] {
  --bg:       #f7f4ff;
  --bg2:      #ede8fb;
  --surface:  #ffffff;
  --surface2: #f2edfb;
  --border:   #d8cef0;
  --text:     #2a2548;
  --muted:    #7a6fa0;
  --heading:  #160f2a;
}

/* ══ RESET ══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Bricolage Grotesque', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* grid background */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.3;
  transition: opacity var(--t) var(--ease);
}
[data-theme="light"] body::before { opacity: 0.18; }

/* radial glow */
body::after {
  content: '';
  position: fixed; top: -180px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(168,85,247,0.15) 0%, transparent 68%);
  pointer-events: none; z-index: 0;
}

.page-wrap {
  position: relative; z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 5vw, 2.8rem);
}

/* ══ NAV ══════════════════════════════════════ */
nav {
  position: sticky; top: 0; z-index: 200;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}
.nav-inner {
  max-width: 1000px; margin: 0 auto;
  padding: 0 clamp(1.2rem, 5vw, 2.8rem);
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem; font-weight: 700;
  color: var(--accent); letter-spacing: -0.01em; flex-shrink: 0;
}
.nav-logo .sl { color: var(--muted); }

.nav-links { display: flex; gap: 0; list-style: none; }
.nav-links a {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--muted); padding: 7px 13px; border-radius: 8px;
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
}
.nav-links a:hover { color: var(--accent); background: var(--accent-dim); text-decoration: none; }

.theme-btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 15px 5px 11px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  color: var(--muted); cursor: pointer; flex-shrink: 0;
  transition: all var(--t) var(--ease);
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 580px) { .nav-links { display: none; } }

/* ══ HERO ══════════════════════════════════════ */
.hero {
  padding: clamp(4.5rem, 11vh, 8rem) 0 clamp(3rem, 7vh, 5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem; align-items: center;
}
@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-left { display: flex; flex-direction: column; align-items: center; }
  .hero-duck { display: flex; justify-content: center; }
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid rgba(168,85,247,0.28);
  border-radius: 999px; padding: 4px 15px; margin-bottom: 1.2rem;
  animation: up 0.55s var(--ease) both;
}
.hero h1 {
  font-size: clamp(3rem, 8.5vw, 6rem);
  font-weight: 800; line-height: 1;
  letter-spacing: -0.045em; color: var(--heading);
  animation: up 0.55s 0.08s var(--ease) both;
}
.hero h1 .purple { color: var(--accent); }

.hero-typing {
  margin-top: 1.2rem;
  animation: up 0.55s 0.14s var(--ease) both;
}
.hero-typing img { border-radius: 6px; max-width: 100%; }

.hero-desc {
  margin-top: 1rem; font-size: 1rem;
  color: var(--muted); max-width: 430px; line-height: 1.72;
  animation: up 0.55s 0.2s var(--ease) both;
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem;
  animation: up 0.55s 0.26s var(--ease) both;
}
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.85rem; font-weight: 600;
  padding: 9px 20px; border-radius: 10px;
  cursor: pointer; border: none;
  transition: all var(--t) var(--ease);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover {
  background: #c084fc; text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn-ghost {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
  text-decoration: none; transform: translateY(-2px);
}

.hero-duck img {
  width: 130px; border-radius: var(--radius);
  animation: up 0.55s 0.3s var(--ease) both;
  filter: drop-shadow(0 10px 30px rgba(168,85,247,0.25));
}

/* ══ SHARED SECTION ══════════════════════════════ */
.divider { border: none; border-top: 1px solid var(--border); }
section { padding: clamp(3.5rem, 8vh, 5.5rem) 0; }

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.5rem;
}
.section-title {
  font-size: clamp(1.65rem, 4vw, 2.3rem);
  font-weight: 800; color: var(--heading);
  letter-spacing: -0.035em; line-height: 1.15;
  margin-bottom: 2.2rem;
}

/* ══ ABOUT ══════════════════════════════════════ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem;
}
@media (max-width: 600px) { .about-grid { grid-template-columns: 1fr; } }

.about-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.about-card:hover { border-color: rgba(168,85,247,0.45); transform: translateY(-3px); }
.card-icon { font-size: 1.8rem; margin-bottom: 0.75rem; }
.about-card h3 { font-size: 1rem; font-weight: 700; color: var(--heading); margin-bottom: 0.4rem; }
.about-card p { font-size: 0.87rem; color: var(--muted); line-height: 1.65; }

/* ══ TOOLS ══════════════════════════════════════ */
.tools-group { margin-bottom: 2rem; }
.tools-group:last-child { margin-bottom: 0; }
.tools-group-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.badges { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.badges img {
  height: 28px; border-radius: 6px;
  transition: transform var(--t) var(--ease), filter var(--t) var(--ease);
}
.badges img:hover { transform: translateY(-2px); filter: brightness(1.15); }

/* ══ PROJECTS ══════════════════════════════════ */
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column; gap: 0.9rem;
  position: relative; overflow: hidden;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0; transition: opacity var(--t) var(--ease);
}
.project-card:hover {
  border-color: rgba(168,85,247,0.4);
  transform: translateY(-4px);
  box-shadow: 0 14px 42px rgba(0,0,0,0.22);
}
.project-card:hover::before { opacity: 1; }

.project-top {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 1rem;
}
.project-icon {
  font-size: 1.6rem; background: var(--surface2);
  border: 1px solid var(--border); border-radius: 10px;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.project-link-btn {
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  color: var(--muted); background: var(--surface2);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 5px 13px;
  display: inline-flex; align-items: center; gap: 4px;
  transition: all var(--t) var(--ease); flex-shrink: 0;
}
.project-link-btn:hover {
  color: var(--accent); border-color: rgba(168,85,247,0.45); text-decoration: none;
}
.project-card h3 {
  font-size: 1.18rem; font-weight: 700;
  color: var(--heading); letter-spacing: -0.02em;
}
.project-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }
code {
  font-family: 'JetBrains Mono', monospace; font-size: 0.8em;
  background: var(--surface2); padding: 2px 7px;
  border-radius: 5px; color: var(--accent);
}
.project-tag {
  display: inline-flex; align-items: center;
  font-family: 'JetBrains Mono', monospace; font-size: 0.67rem;
  letter-spacing: 0.05em; padding: 3px 11px; border-radius: 999px;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(168,85,247,0.25);
}

/* ══ ACHIEVEMENTS ══════════════════════════════ */
.achievements-list { display: flex; flex-direction: column; gap: 1rem; }
.achievement-item {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.3rem 1.6rem;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.achievement-item:hover { border-color: rgba(168,85,247,0.4); transform: translateX(4px); }
.achievement-emoji { font-size: 1.5rem; flex-shrink: 0; margin-top: 1px; }
.achievement-text { font-size: 0.93rem; color: var(--text); line-height: 1.65; }
.achievement-text strong { color: var(--heading); font-weight: 700; }

/* ══ CONNECT ══════════════════════════════════ */
.connect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
}
.connect-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.3rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  transition: all var(--t) var(--ease); color: var(--text);
}
.connect-card:hover {
  border-color: rgba(168,85,247,0.45);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  text-decoration: none;
}
.connect-icon {
  font-size: 1.4rem; width: 42px; height: 42px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.connect-icon img {
  width: 22px; height: 22px; object-fit: contain;
  transition: filter var(--t) var(--ease);
}
[data-theme="dark"]  .connect-icon img { filter: brightness(0) invert(1); }
[data-theme="light"] .connect-icon img { filter: brightness(0); }
.connect-label {
  font-size: 0.67rem; font-family: 'JetBrains Mono', monospace;
  color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 2px;
}
.connect-value { font-size: 0.9rem; font-weight: 600; color: var(--heading); }

/* ══ NOTE BANNER ══════════════════════════════ */
.note-banner {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: var(--radius);
  padding: 1.4rem 1.8rem; display: flex; align-items: flex-start; gap: 1rem;
  margin-bottom: clamp(3.5rem, 8vh, 5.5rem);
}
.note-icon { font-size: 1.4rem; flex-shrink: 0; }
.note-banner p { font-size: 0.92rem; color: var(--muted); line-height: 1.68; }
.note-banner strong { color: var(--heading); font-weight: 700; }

/* ══ FOOTER ══════════════════════════════════ */
footer {
  border-top: 1px solid var(--border); background: var(--bg2);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}
.footer-inner {
  max-width: 1000px; margin: 0 auto;
  padding: 2rem clamp(1.2rem, 5vw, 2.8rem);
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 0.8rem;
}
.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem; font-weight: 700; color: var(--accent);
}
.footer-copy { font-size: 0.78rem; color: var(--muted); }
.footer-credit {
  font-size: 0.73rem; color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}
.footer-credit span { color: var(--accent); }

/* ══ ANIMATIONS ══════════════════════════════ */
@keyframes up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.08s; }
.reveal.delay-2 { transition-delay: 0.16s; }
.reveal.delay-3 { transition-delay: 0.24s; }