/* ===================== Tokens ===================== */
:root{
  --bg: #0A0A0A;
  --panel: #131313;
  --panel-alt: #171717;
  --border: #262626;
  --accent: #22C55E;
  --accent-soft: rgba(34,197,94,0.12);
  --accent-glow: rgba(34,197,94,0.35);
  --text: #F2F2F2;
  --text-muted: #A3A3A3;
  --text-faint: #6B6B6B;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --max-w: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 16px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4{ margin: 0; font-weight: 600; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

body::before{
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(34,197,94,0.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 20%, rgba(34,197,94,0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ===================== Buttons ===================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn--primary{
  background: var(--accent);
  color: #06170D;
}
.btn--primary:hover{ background: #34D673; box-shadow: 0 0 0 4px var(--accent-soft); }

.btn--ghost{
  background: var(--panel-alt);
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* ===================== Nav ===================== */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px var(--pad);
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__mark{
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-right: auto;
}
.nav__dot{ color: var(--accent); }
.nav__links{
  display: flex;
  gap: 24px;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.nav__links a{ transition: color 0.15s ease; }
.nav__links a:hover{ color: var(--accent); }
.nav__toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span{
  width: 22px; height: 2px; background: var(--text);
  border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 760px){
  .nav__links{
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px var(--pad);
    gap: 16px;
    display: none;
  }
  .nav__links.is-open{ display: flex; }
  .nav__toggle{ display: flex; }
  .nav__resume{ display: none; }
}

/* ===================== Hero: split layout ===================== */
.hero{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(32px, 6vw, 56px) var(--pad) clamp(56px, 8vw, 88px);
  position: relative;
  z-index: 1;
}
.hero__grid{
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
}

.profile-card{
  position: sticky;
  top: 96px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  animation: rise 0.6s cubic-bezier(0.16,1,0.3,1) both;
}
@media (max-width: 900px){
  .profile-card{ position: static; }
}
@keyframes rise{
  from{ opacity: 0; transform: translateY(14px); }
  to{ opacity: 1; transform: translateY(0); }
}

/* ---- Large photo frame with overlaid name/role caption ---- */
.profile-card__photo-frame{
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  background: linear-gradient(160deg, var(--accent-soft), rgba(34,197,94,0.03));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.profile-card__photo-frame img{
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.profile-card__initials-fallback{
  display: none;
  font-family: var(--font-mono);
  font-size: 5rem;
  font-weight: 500;
  color: var(--accent);
}
.profile-card__photo-frame.is-fallback .profile-card__initials-fallback{ display: block; }

.profile-card__caption{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 48px 24px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 15%, rgba(0,0,0,0.55) 55%, transparent 100%);
}
.profile-card__name{
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 4px;
}
.profile-card__role{
  color: var(--accent);
  font-size: 1.02rem;
  font-weight: 500;
  margin: 0;
}

/* ---- Card body below the photo ---- */
.profile-card__body{
  padding: 22px 24px 26px;
  text-align: center;
}

.profile-card__badge{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,0.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.profile-card__badge .dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%, 100%{ box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%{ box-shadow: 0 0 0 5px rgba(34,197,94,0); }
}

/* ---- Phone / email, shown as plain text for easy access ---- */
.profile-card__contact{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 0;
  margin-bottom: 20px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.profile-card__contact a{
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--text-muted);
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  transition: border-color 0.15s ease, color 0.15s ease;
  word-break: break-word;
}
.profile-card__contact a:hover{ border-color: var(--accent); color: var(--accent); }

.profile-card__actions{
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.profile-card__actions .btn{ width: 100%; }

.intro{
  animation: rise 0.6s cubic-bezier(0.16,1,0.3,1) 0.1s both;
}
.intro__greeting{
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.intro__headline{
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.accent-text{ color: var(--accent); }
.intro__pitch{
  color: var(--text-muted);
  font-size: 1.03rem;
  max-width: 62ch;
  margin-bottom: 32px;
}

.stats-row{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 44px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
@media (max-width: 640px){
  .stats-row{ grid-template-columns: repeat(2, 1fr); }
}
.stat{ text-align: center; }
.stat__num{
  display: block;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat__label{
  font-size: 0.78rem;
  color: var(--text-muted);
}

.section-block{ margin-bottom: 44px; }
.section-block:last-child{ margin-bottom: 0; }
.section-block__title{
  font-size: 1.15rem;
  margin-bottom: 18px;
}
.section-block__lead{
  color: var(--text-muted);
  max-width: 64ch;
  font-size: 0.98rem;
}

.exp-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.exp-card__head{
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.exp-card__icon{
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.exp-card__titles{ flex: 1; }
.exp-card__role{ font-size: 1.05rem; margin-bottom: 2px; }
.exp-card__org{ color: var(--text-muted); font-size: 0.9rem; }
.exp-card__meta{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,0.25);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  align-self: flex-start;
}
.exp-card__list li{
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.exp-card__list li:last-child{ margin-bottom: 0; }
.exp-card__list li::before{
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

.edu-list{ display: flex; flex-direction: column; gap: 12px; }
.edu-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.edu-card__icon{
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.edu-card__body{ flex: 1; min-width: 0; }
.edu-card__degree{ font-size: 1rem; margin-bottom: 2px; }
.edu-card__school{ color: var(--text-muted); font-size: 0.88rem; }
.edu-card__meta{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,0.25);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}
@media (max-width: 520px){
  .edu-card{ flex-wrap: wrap; }
  .edu-card__meta{ margin-left: 54px; }
}

.section{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(56px, 8vw, 88px);
  position: relative;
  z-index: 1;
}
.section__inner{ position: relative; }
.section__title{
  font-size: clamp(1.4rem, 2.6vw, 1.7rem);
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}
.section__lead{
  color: var(--text-muted);
  max-width: 64ch;
  font-size: 1.02rem;
}

.skills-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.skill-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.skill-card h3{
  font-size: 0.98rem;
  margin-bottom: 14px;
  color: var(--text);
}
.tag-row{ display: flex; flex-wrap: wrap; gap: 8px; }
.tag{
  font-size: 0.82rem;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,0.25);
  color: var(--accent);
}

.cert-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.cert-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.cert-card:hover{ border-color: var(--accent); transform: translateY(-2px); }
.cert-card h3{ font-size: 1rem; margin-bottom: 8px; line-height: 1.35; }
.cert-card__issuer{ color: var(--text-muted); font-size: 0.88rem; margin: 0 0 4px; }
.cert-card__id{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin: 0 0 12px;
}
.cert-card a{ color: var(--accent); font-size: 0.88rem; }
.cert-card--progress{ opacity: 0.7; border-style: dashed; }

.projects-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.project-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.project-card h3{ font-size: 1.05rem; margin-bottom: 8px; }
.project-card p{ color: var(--text-muted); font-size: 0.93rem; margin: 0 0 14px; }
.project-card .tag-row{ margin-bottom: 14px; }
.project-card__links{ display: flex; gap: 16px; font-size: 0.88rem; align-items: center; flex-wrap: wrap; }
.project-card__links a{ color: var(--accent); }
.project-card__toggle{
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
}
.project-card__toggle:hover{ text-decoration: underline; }

.project-card__details{
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.project-card__detail-block h4{
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 6px;
}
.project-card__detail-block p{
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.projects-empty{
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  text-align: left;
  background: var(--panel);
}
.projects-empty strong{ color: var(--text); }

.contact-form{ max-width: 540px; margin-top: 28px; }
.form-row{ margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.form-row label{ font-size: 0.88rem; color: var(--text-muted); }
.form-row input, .form-row textarea{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.15s ease;
}
.form-row input:focus, .form-row textarea:focus{
  border-color: var(--accent);
  outline: none;
}
.form-status{
  margin-top: 14px;
  font-size: 0.9rem;
  min-height: 1.2em;
  color: var(--text-muted);
}
.form-status.is-success{ color: var(--accent); }
.form-status.is-error{ color: #FF8A8A; }

.footer{
  border-top: 1px solid var(--border);
  padding: 32px var(--pad) 40px;
  position: relative;
  z-index: 1;
}
.footer__inner{
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-faint);
  font-size: 0.88rem;
}
.footer__links{ display: flex; gap: 20px; }
.footer__links a:hover{ color: var(--accent); }