/* =========================================================
   TOKENS
========================================================= */
:root{
  --bg: #0B0E14;
  --surface: #121722;
  --surface-2: #1A2130;
  --border: #232B3A;
  --text: #E7EAEE;
  --muted: #8C97A8;
  --accent: #55E6C1;
  --accent-2: #B79CFF;
  --amber: #F2B84B;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --maxw: 1040px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
.accent{ color: var(--accent); }
.mono{ font-family: var(--font-mono); }

/* =========================================================
   TICKER (signature element)
========================================================= */
.ticker{
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  white-space: nowrap;
  padding: 8px 0;
}
.ticker__track{
  display: inline-flex;
  gap: 2.5rem;
  animation: scroll-left 26s linear infinite;
  padding-left: 100%;
}
.ticker__item{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.02em;
}
.dot{
  width: 6px; height: 6px; border-radius: 50%;
  display: inline-block;
}
.dot--ok{ background: var(--accent); box-shadow: 0 0 6px var(--accent); }

@keyframes scroll-left{
  from{ transform: translateX(0); }
  to{ transform: translateX(-100%); }
}
@media (prefers-reduced-motion: reduce){
  .ticker__track{ animation: none; }
}

/* =========================================================
   NAV
========================================================= */
.nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(11,14,20,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav__inner{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.nav__links{ display:flex; gap: 1.6rem; }
.nav__links a{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  transition: color .15s ease;
}
.nav__links a:hover, .nav__links a:focus-visible{ color: var(--accent); }

@media (max-width: 640px){
  .nav__links{ gap: 1rem; }
  .nav__links a{ font-size: 0.7rem; }
}

/* =========================================================
   HERO
========================================================= */
.hero{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3rem;
}
.hero__grid{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-2);
  letter-spacing: 0.06em;
  margin: 0 0 0.6rem;
}
.hero__title{
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.02;
  margin: 0 0 0.8rem;
}
.hero__role{
  font-size: 1.2rem;
  color: var(--text);
  margin: 0 0 0.9rem;
  font-weight: 500;
}
.hero__sub{
  color: var(--muted);
  max-width: 44ch;
  margin: 0 0 1.8rem;
}
.hero__cta{ display:flex; gap: 0.9rem; flex-wrap: wrap; }

.btn{
  padding: 0.7rem 1.3rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid transparent;
  transition: all .15s ease;
  display: inline-block;
}
.btn--primary{
  background: var(--accent);
  color: #05130F;
  font-weight: 600;
}
.btn--primary:hover{ filter: brightness(1.08); }
.btn--ghost{
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* Terminal */
.terminal{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.terminal__bar{
  background: var(--surface-2);
  padding: 0.6rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.terminal__dot{ width:10px; height:10px; border-radius:50%; }
.terminal__dot--r{ background:#FF5F57; }
.terminal__dot--y{ background:#FEBC2E; }
.terminal__dot--g{ background:#28C840; }
.terminal__title{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 0.4rem;
}
.terminal__body{
  padding: 1.4rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  min-height: 180px;
}
.terminal__body p{ margin: 0 0 0.7rem; }
.prompt{ color: var(--accent); }
.prompt-sep{ color: var(--muted); margin-right: 0.4rem; }
.out{ color: var(--text); white-space: pre-wrap; }
.blink{ animation: blink 1s step-start infinite; color: var(--accent); }
@keyframes blink{ 50%{ opacity: 0; } }

@media (max-width: 860px){
  .hero__grid{ grid-template-columns: 1fr; }
}

/* =========================================================
   SECTIONS
========================================================= */
.section{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3.4rem 1.5rem;
  border-top: 1px solid var(--border);
}
.section__label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  margin: 0 0 1.4rem;
}
.about__text{
  font-size: 1.15rem;
  max-width: 66ch;
  color: var(--text);
}
.about__text strong{ color: var(--accent); }

/* Timeline */
.timeline__row{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
}
.timeline__when{ color: var(--muted); font-size: 0.85rem; }

.timeline__card{
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.6rem;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
}
.timeline__shot{
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.timeline__shot img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.timeline__what h3{
  font-family: var(--font-display);
  margin: 0 0 0.25rem;
  font-size: 1.3rem;
}
.timeline__org{
  color: var(--accent);
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  font-family: var(--font-mono);
  font-weight: 500;
}
.timeline__what ul{ display: flex; flex-direction: column; gap: 0.55rem; }
.timeline__what li{
  position: relative;
  padding-left: 1.1rem;
  color: var(--text);
}
.timeline__what li::before{
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline__what strong{ color: var(--accent); }

@media (max-width: 720px){
  .timeline__card{ grid-template-columns: 1fr; }
  .timeline__shot{ aspect-ratio: 16 / 10; }
}
@media (max-width: 640px){
  .timeline__row{ grid-template-columns: 1fr; gap: 0.6rem; }
}

/* Projects */
.projects{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover{
  border-color: var(--accent);
  transform: translateY(-3px);
}
.card__head{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}
.card__head h3{
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0;
}
.card__metric{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bg);
  background: var(--accent);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}
.card p{ color: var(--muted); font-size: 0.92rem; margin: 0 0 1rem; }

.card__shot{
  margin: -1.4rem -1.4rem 1rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background: var(--surface-2);
  aspect-ratio: 16 / 9;
}
.card__shot img{
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.card__links{ margin-top: 0.9rem; }
.card__links a{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}
.card__links a:hover{ border-color: var(--accent); }

.tags{ display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tags span{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-2);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

/* Skills */
.skills{ display: flex; flex-direction: column; gap: 1.1rem; }
.skills__row{
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.2rem;
  align-items: start;
}
.skills__key{
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.82rem;
  padding-top: 0.25rem;
}
@media (max-width: 640px){
  .skills__row{ grid-template-columns: 1fr; gap: 0.4rem; }
}

/* Split (certs/achievements) */
.split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
.split__title{
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--accent);
  margin: 0 0 0.8rem;
}
.plain-list{ display: flex; flex-direction: column; gap: 0.6rem; color: var(--muted); font-size: 0.92rem; }
@media (max-width: 780px){
  .split{ grid-template-columns: 1fr; }
}

/* Certificate / achievement cards */
.cert-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}
.cert-card{
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color .15s ease, transform .15s ease;
}
.cert-card:hover{
  border-color: var(--accent);
  transform: translateY(-2px);
}
.cert-card__shot{
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-card__shot img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.cert-card figcaption{
  padding: 0.65rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* Contact */
.section--contact{ text-align: left; }
.contact__title{
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 1.4rem;
}
.contact__links{ display: flex; flex-wrap: wrap; gap: 1.4rem; }
.contact__links a{
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color .15s ease, border-color .15s ease;
}
.contact__links a:hover{ color: var(--accent); border-color: var(--accent); }

/* Footer */
.footer{
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--muted);
  font-size: 0.8rem;
}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}