:root {
  --bg: #0b0b0f;
  --bg-alt: #101016;
  --card: #15151d;
  --border: #262631;
  --text: #ededf2;
  --text-muted: #a3a3b0;
  --cyan: #5eead4;
  --blue: #60a5fa;
  --violet: #a78bfa;
  --pink: #f472b6;
  --grad: linear-gradient(120deg, var(--cyan), var(--blue) 45%, var(--violet) 80%, var(--pink));
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --display: 'Space Grotesk', var(--font);
  --radius: 16px;
  --maxw: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--cyan); color: #000;
  padding: 10px 16px; border-radius: 8px; z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Background glow ---------- */
.bg-glow {
  position: fixed; top: -30vh; left: -20vw;
  width: 70vw; height: 70vw; border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.14), transparent 60%);
  filter: blur(60px); z-index: -1; pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}
.bg-glow.glow-2 {
  top: auto; left: auto; right: -20vw; bottom: -30vh;
  background: radial-gradient(circle, rgba(167,139,250,0.12), transparent 60%);
  animation-delay: -9s;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(6vw, 4vh) scale(1.15); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 11, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; text-decoration: none; letter-spacing: -0.02em;
  font-family: var(--display);
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--grad); flex-shrink: 0;
  box-shadow: 0 0 12px rgba(94, 234, 212, 0.7);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  text-decoration: none; color: var(--text-muted);
  font-size: 0.95rem; font-weight: 500; transition: color 0.2s;
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--text); }
.nav-cta {
  color: var(--text); border: 1px solid var(--border);
  padding: 8px 18px; border-radius: 999px; transition: border-color 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { border-color: var(--blue); box-shadow: 0 0 16px rgba(96,165,250,0.25); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 110px 0 80px; position: relative; }
.hero-inner { max-width: 840px; }
.hero-compact { padding: 70px 0 40px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  padding: 8px 16px; border-radius: 999px;
  font-size: 0.9rem; margin-bottom: 22px;
  box-shadow: 0 0 20px rgba(96,165,250,0.08);
}
.hero-badge strong { color: var(--cyan); }

.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 16px;
}

h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; }

h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.08; margin-bottom: 14px;
}

.grad {
  background: var(--grad);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-type {
  font-family: var(--display); font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 500; color: var(--text-muted); min-height: 2em; margin-bottom: 14px;
}
.cursor { color: var(--cyan); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-sub { font-size: 1.12rem; color: var(--text-muted); max-width: 680px; margin-bottom: 34px; }
.hero-sub strong { color: var(--text); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }

.hero-stats { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-stats .stat {
  min-width: 140px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; text-decoration: none;
  padding: 13px 26px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  border: 1px solid transparent; cursor: pointer;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary {
  background: var(--grad); background-size: 200% 200%;
  color: #000; animation: gradientShift 6s ease infinite;
  box-shadow: 0 8px 24px rgba(96,165,250,0.3);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(96,165,250,0.45); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--blue); box-shadow: 0 0 20px rgba(96,165,250,0.2); }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { margin-bottom: 40px; }
.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 12px;
}
.section-sub { color: var(--text-muted); margin-top: 30px; }
.text-link { color: var(--cyan); text-decoration: none; font-weight: 600; }
.text-link:hover { text-decoration: underline; }

.grid-3, .grid-2 { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(96,165,250,0.5);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.card-icon { font-size: 2rem; margin-bottom: 14px; }
.card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 0.95rem; }

.card .tag {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--violet); margin-bottom: 14px;
}
.tag-outline {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.06em; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 2px 10px; margin-left: 8px;
}
.project-top { display: flex; align-items: center; margin-bottom: 12px; }

/* ---------- Skills (index) ---------- */
.skills { display: flex; flex-wrap: wrap; gap: 12px; }
.skills span {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 999px; padding: 9px 18px;
  font-size: 0.9rem; font-weight: 500;
  transition: transform 0.2s, border-color 0.2s;
}
.skills span:hover { transform: translateY(-3px) scale(1.05); border-color: var(--blue); }

/* ---------- Quote card ---------- */
.quote-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 56px;
  text-align: center; position: relative; overflow: hidden;
}
.quote-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(167,139,250,0.12), transparent 60%);
  pointer-events: none;
}
.quote { font-family: var(--display); font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 500; margin-bottom: 12px; }
.quote-author { color: var(--text-muted); margin-bottom: 26px; }

/* ---------- About: split + stats ---------- */
.split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; }
.split h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.split p { color: var(--text-muted); margin-bottom: 16px; }
.split p:first-of-type { margin-top: 6px; }
.quote-inline {
  border-left: 3px solid var(--violet);
  padding-left: 16px; color: var(--text) !important;
  font-weight: 500; font-style: italic;
}

.stats { display: grid; gap: 16px; }
.stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  transition: border-color 0.2s;
}
.stat:hover { border-color: rgba(94,234,212,0.5); }
.stat strong {
  display: block; font-size: 2.2rem; font-family: var(--display);
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stat span { color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Skill bars ---------- */
.skill-bars { display: grid; gap: 18px; max-width: 760px; }
.skill-row { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center; }
.skill-row > span { font-weight: 600; font-size: 0.95rem; }
.bar {
  height: 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; overflow: hidden;
}
.bar i {
  display: block; height: 100%; width: 0;
  background: var(--grad); border-radius: 999px;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Goals ---------- */
.goal-emoji { font-size: 1.8rem; display: block; margin-bottom: 12px; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 8px; }

.contact-list { list-style: none; display: grid; gap: 18px; margin-top: 22px; }
.contact-list .label {
  display: block; font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 4px;
}

.contact-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px;
  display: grid; gap: 16px;
}
.field { display: grid; gap: 6px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 600; }
.field input, .field textarea {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  padding: 13px 15px; font: inherit; width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(96,165,250,0.2);
}
.contact-form .btn { justify-self: start; }
.form-status { color: var(--cyan); font-size: 0.9rem; }
.form-status.error { color: #f87171; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 34px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer p { color: var(--text-muted); font-size: 0.9rem; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-nav a:hover { color: var(--text); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3, .grid-2, .split, .contact-wrap { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 56px; }
  .section { padding: 60px 0; }
  .skill-row { grid-template-columns: 100px 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(11,11,15,0.98);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%); transition: transform 0.3s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav .nav-link { padding: 16px 24px; border-top: 1px solid var(--border); width: 100%; text-align: center; }
  .nav .nav-cta { border: 0; border-top: 1px solid var(--border); border-radius: 0; }
  .nav-toggle { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .bar i { width: var(--w); }
}