/* ===================================================
   TOKENS
=================================================== */
:root{
  --ink: #16161f;
  --ink-soft: #4a4a5c;
  --paper: #f7f8fc;
  --surface: #ffffff;
  --surface-tint: #efebff;

  --violet: #6c5ce7;
  --violet-dark: #4d3fc7;
  --coral: #ff5d8f;
  --teal: #22c7a9;
  --amber: #ffb020;

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

  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;

  --wrap: 1120px;
}

/* ===================================================
   RESET
=================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
h1, h2, h3{ font-family: var(--font-display); line-height: 1.15; margin: 0; }
p{ margin: 0; }
button{ font-family: inherit; }

:focus-visible{
  outline: 3px solid var(--violet);
  outline-offset: 3px;
}

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

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  html{ scroll-behavior: auto; }
}

/* ===================================================
   HEADER
=================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 252, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(22,22,31,0.06);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}
.logo-dot{ color: var(--coral); }

.main-nav{ display: flex; gap: 32px; }
.main-nav a{
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after{
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 2px;
  background: var(--violet);
  transition: width 0.25s ease;
}
.main-nav a:hover::after{ width: 100%; }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span{
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* ===================================================
   HERO
=================================================== */
.hero{
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
}
.hero::before{
  content: "";
  position: absolute;
  top: -120px; right: -160px;
  width: 460px; height: 460px;
  background: radial-gradient(circle at 30% 30%, var(--surface-tint), transparent 70%);
  z-index: 0;
}
.hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.hero-text{
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.7s ease forwards 0.1s;
}
@keyframes rise{
  to{ opacity: 1; transform: translateY(0); }
}
.hero-kicker{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--violet-dark);
  margin-bottom: 16px;
}
.hero h1{
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.highlight{
  color: var(--violet);
  position: relative;
}
.hero-pitch{
  margin-top: 24px;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}
.hero-actions{
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stickers{
  position: relative;
  height: 380px;
}
.sticker{
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: var(--radius-s);
  box-shadow: 0 12px 24px -12px rgba(22,22,31,0.25);
  transition: transform 0.25s ease;
}
.sticker:hover{ transform: translateY(-4px) rotate(0deg) !important; }
.sticker-1{ background: var(--violet); color: #fff; top: 6%; left: 8%; transform: rotate(-6deg); }
.sticker-2{ background: var(--coral); color: #fff; top: 26%; left: 42%; transform: rotate(4deg); }
.sticker-3{ background: var(--ink); color: #fff; top: 4%; left: 55%; transform: rotate(3deg); }
.sticker-4{ background: var(--teal); color: #06322a; top: 52%; left: 12%; transform: rotate(-3deg); }
.sticker-5{ background: var(--amber); color: #4a2e00; top: 60%; left: 50%; transform: rotate(6deg); }

/* ===================================================
   BUTTONS
=================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  padding: 13px 26px;
  border-radius: var(--radius-s);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary{
  background: var(--violet);
  color: #fff;
  box-shadow: 0 10px 20px -8px rgba(108,92,231,0.55);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 24px -8px rgba(108,92,231,0.6); }
.btn-ghost{
  border: 1.5px solid rgba(22,22,31,0.15);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--violet); color: var(--violet-dark); }

/* ===================================================
   SECTION HEAD
=================================================== */
.section-head{
  max-width: 560px;
  margin-bottom: 48px;
}
.section-head h2{
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 12px;
}
.section-head p{ color: var(--ink-soft); }

/* ===================================================
   SKILLS
=================================================== */
.skills{ padding: 100px 0; }
.skills-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-panel{
  background: var(--surface);
  border-radius: var(--radius-m);
  padding: 28px;
  border: 1px solid rgba(22,22,31,0.06);
}
.skill-panel--big{
  grid-column: span 2;
  background: var(--ink);
  color: #fff;
}
.skill-panel--big h3{ color: #fff; }
.skill-panel--wide{ grid-column: span 3; }
.skill-panel h3{
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.chip-list{ display: flex; flex-wrap: wrap; gap: 10px; }
.chip-list li{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--violet-dark);
}
.skill-panel--big .chip-list li{
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.chip-list--small li{ font-size: 0.75rem; padding: 5px 12px; }

/* ===================================================
   EXPERIENCE (timeline)
=================================================== */
.experience{ padding: 100px 0; background: var(--surface); }
.timeline{
  position: relative;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.timeline::before{
  content: "";
  position: absolute;
  top: 6px; bottom: 6px; left: 148px;
  width: 2px;
  background: rgba(22,22,31,0.08);
}
.timeline-item{
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 40px;
  position: relative;
}
.timeline-item::before{
  content: "";
  position: absolute;
  left: 143px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--violet);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 2px var(--violet);
}
.timeline-date{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  padding-top: 2px;
  text-align: right;
}
.timeline-body h3{ font-size: 1.1rem; margin-bottom: 10px; }
.timeline-body ul{ display: flex; flex-direction: column; gap: 6px; }
.timeline-body li{
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.timeline-body li::before{
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

/* ===================================================
   PROJECTS
=================================================== */
.projects{ padding: 100px 0; background: var(--surface); }
.projects-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.project-card{
  background: var(--paper);
  border-radius: var(--radius-m);
  padding: 28px;
  border: 1px solid rgba(22,22,31,0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-card--featured{
  grid-column: span 2;
  background: linear-gradient(135deg, var(--violet), var(--violet-dark));
  color: #fff;
  border: none;
}
.project-card--featured .project-tag{
  background: rgba(255,255,255,0.18);
  color: #fff;
}
.project-tag{
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--violet-dark);
}
.project-card h3{ font-size: 1.2rem; }
.project-card p{ color: var(--ink-soft); font-size: 0.95rem; }
.project-card--featured p{ color: rgba(255,255,255,0.85); }

/* ===================================================
   CONTACT
=================================================== */
.contact{ padding: 110px 0 130px; position: relative; overflow: hidden; }
.contact::before{
  content: "";
  position: absolute;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 640px; height: 420px;
  background: radial-gradient(circle, var(--surface-tint), transparent 70%);
  z-index: 0;
}
.contact-inner{
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.contact-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 14px; }
.contact-head p{ color: var(--ink-soft); }

.contact-cards{
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  text-align: left;
}
.contact-card{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 22px;
  border-radius: var(--radius-m);
  background: var(--surface);
  border: 1px solid rgba(22,22,31,0.07);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
a.contact-card:hover{
  transform: translateY(-3px);
  border-color: var(--violet);
}
.contact-card-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.contact-card-value{ font-weight: 600; }

.contact-cta{ margin-top: 40px; border: none; cursor: pointer; }

/* ===================================================
   FOOTER
=================================================== */
.site-footer{ border-top: 1px solid rgba(22,22,31,0.06); }
.footer-inner{
  padding: 48px 0 32px;
  display: grid;
  grid-template-columns: 1.2fr 1.6fr auto;
  gap: 32px;
  align-items: start;
}
.footer-brand p{
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  max-width: 32ch;
}
.footer-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 18px 24px;
}
.footer-nav a{
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.footer-nav a:hover{ color: var(--violet); }
.footer-top{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--violet-dark);
  white-space: nowrap;
  padding-top: 2px;
}
.footer-top:hover{ color: var(--violet); }

.footer-bottom{
  padding: 20px 0;
  border-top: 1px solid rgba(22,22,31,0.06);
}
.footer-bottom p{
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ===================================================
   RESPONSIVE
=================================================== */
@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-stickers{ height: 220px; margin-top: 24px; }
  .skills-grid{ grid-template-columns: repeat(2, 1fr); }
  .skill-panel--big, .skill-panel--wide{ grid-column: span 2; }
  .timeline::before{ left: 6px; }
  .timeline-item{ grid-template-columns: 1fr; gap: 8px; }
  .timeline-item::before{ left: 1px; }
  .timeline-date{ text-align: left; padding-left: 20px; }
  .timeline-body{ padding-left: 20px; }
  .projects-grid{ grid-template-columns: 1fr; }
  .contact-cards{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; gap: 24px; }
  .footer-top{ padding-top: 0; }
  .project-card--featured{ grid-column: span 1; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .main-nav{
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(22,22,31,0.06);
    display: none;
  }
  .main-nav.open{ display: flex; }
  .nav-toggle{ display: flex; }
}