/* ===== Design Tokens ===== */
:root {
  --color-primary: #1E293B;
  --color-secondary: #334155;
  --color-accent: #22C55E;
  --color-accent-dim: #16A34A;
  --color-bg: #0F172A;
  --color-bg-alt: #0B1120;
  --color-fg: #F8FAFC;
  --color-muted: #94A3B8;
  --color-surface: #161E2E;
  --color-surface-2: #1B2436;
  --color-border: #2A3548;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --container: 1140px;
  --nav-h: 70px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.accent { color: var(--color-accent); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--color-accent); color: #04210F; padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: .95rem; font-weight: 600;
  padding: 13px 26px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; transition: all .2s var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 10px 18px; font-size: .875rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--color-accent); color: #04210F; }
.btn-primary:hover { background: var(--color-accent-dim); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,197,94,.25); }
.btn-ghost { background: transparent; color: var(--color-fg); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.btn-icon { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(15,23,42,.7); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: all .3s var(--ease);
}
.navbar.scrolled { background: rgba(11,17,32,.92); border-bottom-color: var(--color-border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 1.3rem; font-weight: 800; letter-spacing: -.02em; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { color: var(--color-muted); font-weight: 500; font-size: .95rem; position: relative; transition: color .2s var(--ease); }
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--color-accent); transition: width .25s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--color-fg); }
.nav-link.active::after { width: 100%; }
.nav-cta {
  padding: 9px 18px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-weight: 600; font-size: .9rem; transition: all .2s var(--ease);
}
.nav-cta:hover { border-color: var(--color-accent); color: var(--color-accent); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none;
  cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--color-fg); border-radius: 2px; transition: all .3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  min-height: 100dvh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 60px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -20%; right: -10%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(34,197,94,.14), transparent 70%);
  filter: blur(40px); pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--color-muted); font-size: .9rem; font-weight: 500;
  background: var(--color-surface); padding: 7px 14px; border-radius: 100px;
  border: 1px solid var(--color-border); margin-bottom: 24px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34,197,94,.5); } 70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); } }
.hero-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; line-height: 1.05; letter-spacing: -.03em; margin-bottom: 22px; }
.hero-subtitle { font-size: 1.15rem; color: var(--color-muted); max-width: 480px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 50px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-size: 1.5rem; font-weight: 700; color: var(--color-fg); }
.stat-label { font-size: .85rem; color: var(--color-muted); }

.hero-visual { display: flex; justify-content: center; }
.profile-card { position: relative; width: 320px; max-width: 100%; }
.profile-img {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 30px 60px rgba(0,0,0,.45);
}
.profile-badge {
  position: absolute; bottom: -18px; left: 50%; transform: translateX(-50%);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  padding: 12px 22px; border-radius: var(--radius); text-align: center; white-space: nowrap;
  box-shadow: 0 12px 30px rgba(0,0,0,.4);
}
.badge-name { display: block; font-weight: 700; font-size: .95rem; }
.badge-role { display: block; font-size: .78rem; color: var(--color-accent); font-weight: 500; }

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { margin-bottom: 50px; }
.section-tag { display: inline-block; color: var(--color-accent); font-weight: 600; font-size: .85rem; letter-spacing: .05em; margin-bottom: 12px; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; letter-spacing: -.02em; }
.section-sub { color: var(--color-muted); margin-top: 12px; font-size: 1.05rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: start; }
.about-text p { color: #CBD5E1; margin-bottom: 18px; max-width: 60ch; }
.about-side { display: flex; flex-direction: column; gap: 20px; }
.info-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px; }
.info-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 16px; }
.info-list li { display: flex; align-items: center; gap: 10px; color: #CBD5E1; padding: 7px 0; font-size: .95rem; }
.info-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); flex-shrink: 0; }
.info-note { color: var(--color-muted); font-size: .95rem; margin-bottom: 14px; }
.info-link { display: inline-block; margin-top: 16px; color: var(--color-accent); font-weight: 600; font-size: .9rem; transition: opacity .2s; }
.info-link:hover { opacity: .75; }

/* Certificates */
.info-subtitle { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted); margin: 22px 0 12px; }
.cert-list { display: flex; flex-direction: column; gap: 10px; }
.cert-link { display: flex; flex-direction: column; gap: 3px; padding: 12px 14px; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: all .2s var(--ease); }
.cert-link:hover { border-color: rgba(34,197,94,.45); transform: translateY(-2px); }
.cert-name { font-size: .9rem; font-weight: 600; color: #E2E8F0; line-height: 1.35; }
.cert-link:hover .cert-name { color: var(--color-accent); }
.cert-issuer { font-size: .78rem; color: var(--color-muted); }

/* Goal callout */
.about-goal {
  margin-top: 30px; padding: 24px 26px;
  background: linear-gradient(135deg, rgba(34,197,94,.1), rgba(34,197,94,.02));
  border: 1px solid rgba(34,197,94,.3); border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
}
.goal-label { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 8px; }
.about-goal p { color: #E2E8F0; font-size: 1.02rem; margin: 0; max-width: none; }
.about-goal strong { color: var(--color-accent); font-weight: 700; }

/* Initiatives */
.initiative-list { display: flex; flex-direction: column; gap: 22px; }
.initiative-list li { display: flex; flex-direction: column; gap: 6px; }
.initiative-list li + li { padding-top: 22px; border-top: 1px solid var(--color-border); }
.initiative-name { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-weight: 600; font-size: 1rem; }
.initiative-badge { font-size: .68rem; font-weight: 600; color: var(--color-accent); background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.3); padding: 3px 9px; border-radius: 100px; letter-spacing: .02em; text-transform: none; }
.initiative-desc { color: var(--color-muted); font-size: .92rem; }
.initiative-list .info-link { margin-top: 4px; }

/* ===== Projects ===== */
.project-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden; transition: all .3s var(--ease);
}
.project-card:hover { border-color: rgba(34,197,94,.4); transform: translateY(-4px); box-shadow: 0 24px 50px rgba(0,0,0,.4); }
.project-card + .project-card { margin-top: 36px; }
.project-media { background: var(--color-bg-alt); display: flex; align-items: center; justify-content: center; padding: 24px; }
.project-img { border-radius: var(--radius); border: 1px solid var(--color-border); }
.project-body { padding: 38px; display: flex; flex-direction: column; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tag { font-size: .78rem; font-weight: 500; color: var(--color-accent); background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.25); padding: 5px 12px; border-radius: 100px; }
.project-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 14px; }
.project-desc { color: var(--color-muted); margin-bottom: 20px; font-size: .98rem; }
.project-highlights { margin-bottom: 28px; }
.project-highlights li { position: relative; padding-left: 24px; color: #CBD5E1; font-size: .92rem; margin-bottom: 10px; }
.project-highlights li::before { content: '▹'; position: absolute; left: 0; color: var(--color-accent); }
.project-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: auto; }
.project-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.pstat { display: flex; flex-direction: column; gap: 2px; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 16px; min-width: 92px; }
.pstat-num { font-size: 1.05rem; font-weight: 700; color: var(--color-accent); }
.pstat-label { font-size: .72rem; color: var(--color-muted); }
.project-soon { text-align: center; margin-top: 36px; color: var(--color-muted); font-size: .95rem; border: 1px dashed var(--color-border); border-radius: var(--radius); padding: 22px; }

/* ===== Currently Building & Learning ===== */
.now-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 26px; align-items: start; }
.now-col { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 28px; }
.now-title { font-size: 1.05rem; font-weight: 600; color: var(--color-accent); margin-bottom: 18px; }
.now-list { display: flex; flex-direction: column; }
.now-list li { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 0; border-top: 1px solid var(--color-border); }
.now-list li:first-child { border-top: none; padding-top: 0; }
.now-name { font-weight: 500; font-size: .98rem; color: #E2E8F0; }
.now-status { font-size: .72rem; font-weight: 600; padding: 4px 11px; border-radius: 100px; white-space: nowrap; flex-shrink: 0; }
.status-progress { color: #FBBF24; background: rgba(251,191,36,.12); border: 1px solid rgba(251,191,36,.3); }
.status-soon { color: var(--color-accent); background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.3); }
.status-live { color: #38BDF8; background: rgba(56,189,248,.12); border: 1px solid rgba(56,189,248,.3); }
.now-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.now-tag { font-size: .9rem; font-weight: 500; color: #E2E8F0; background: var(--color-surface-2); border: 1px solid var(--color-border); padding: 9px 16px; border-radius: var(--radius-sm); }

/* ===== Skills ===== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.skill-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px; transition: all .25s var(--ease); }
.skill-card:hover { border-color: rgba(34,197,94,.35); transform: translateY(-3px); }
.skill-cat { font-size: 1rem; font-weight: 600; margin-bottom: 18px; color: var(--color-accent); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.skill-pill { font-size: .88rem; background: var(--color-surface-2); border: 1px solid var(--color-border); padding: 7px 14px; border-radius: var(--radius-sm); color: #E2E8F0; }
.skill-learning { display: inline-flex; align-items: center; gap: 6px; }
.skill-learning em { font-style: normal; font-size: .68rem; color: var(--color-accent); background: rgba(34,197,94,.12); padding: 2px 7px; border-radius: 100px; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 50px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: .9rem; font-weight: 600; }
.field input, .field textarea {
  font-family: inherit; font-size: .98rem; color: var(--color-fg);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: 13px 16px; transition: border-color .2s var(--ease); resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #64748B; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-accent); }
.field.invalid input, .field.invalid textarea { border-color: var(--color-destructive, #EF4444); }
.field-error { font-size: .82rem; color: #F87171; min-height: 1em; }
.form-status { font-size: .92rem; min-height: 1.2em; }
.form-status.success { color: var(--color-accent); }
.form-status.error { color: #F87171; }

.contact-side { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 30px; }
.contact-intro { color: var(--color-muted); margin-bottom: 20px; }
.contact-link { display: flex; flex-direction: column; gap: 3px; padding: 16px 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); margin-bottom: 22px; transition: color .2s; }
.contact-link:hover { color: var(--color-accent); }
.contact-label { font-size: .8rem; color: var(--color-muted); }
.contact-value { font-weight: 600; }
.social-row { display: flex; flex-wrap: wrap; gap: 10px; }
.social-btn { display: inline-flex; align-items: center; gap: 8px; font-size: .88rem; font-weight: 500; padding: 9px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: all .2s var(--ease); }
.social-btn svg { width: 17px; height: 17px; fill: currentColor; flex-shrink: 0; }
.social-btn:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--color-border); padding: 34px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-weight: 800; font-size: 1.15rem; }
.footer-copy { color: var(--color-muted); font-size: .9rem; }
.footer-top { color: var(--color-muted); font-size: .9rem; font-weight: 500; transition: color .2s; }
.footer-top:hover { color: var(--color-accent); }

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 50px; text-align: center; }
  .hero-eyebrow, .hero-actions, .hero-stats { justify-content: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-visual { order: -1; }
  .about-grid, .contact-grid, .now-grid { grid-template-columns: 1fr; gap: 36px; }
  .project-card { grid-template-columns: 1fr; }
  .project-media { padding: 24px 24px 0; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); right: 0; bottom: 0; width: min(78vw, 320px);
    flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 8px;
    background: var(--color-bg-alt); border-left: 1px solid var(--color-border);
    padding: 30px 28px; transform: translateX(100%); transition: transform .3s var(--ease);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.1rem; padding: 8px 0; }
  .nav-cta { margin-top: 12px; }
  .section { padding: 70px 0; }
  .project-body { padding: 28px; }
  .hero-stats { gap: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}