:root{
  /* Olive paper background */
  --paper: #e6e4d2;      /* light olive */
  --paper-2: #dcd8c2;    /* deeper olive */
  --ink: #0b0b0b;
  --muted: rgba(11,11,11,.68);
  --line: rgba(11,11,11,.18);
  /* Olive accent */
  --accent: #8f9a5b;
  --radius: 18px;
  --shadow: 0 14px 40px rgba(0,0,0,.12);
  --shadow2: 0 22px 60px rgba(0,0,0,.16);
  --title: "Space Grotesk", system-ui, -apple-system, Segoe UI, Roboto, Arial;
  --body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial;
}
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 12% 8%, rgba(143,154,91,.35), transparent 55%),
    radial-gradient(900px 600px at 88% 22%, rgba(143,154,91,.18), transparent 60%),
    linear-gradient(180deg, var(--paper), var(--paper-2));
}
/* Subtle film grain / print texture */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .10;
  mix-blend-mode: multiply;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}
/* Ensure content above grain */
.topbar, main, footer { position: relative; z-index: 2; }
a{ color: inherit; text-decoration: none; }
.wrap{
  width: min(1140px, 92vw);
  margin: 0 auto;
}
/* Panels / cards */
.panel{
  background: rgba(255,255,255,.60);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.panel:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow2);
  border-color: rgba(11,11,11,.26);
}
/* Top bar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(230,228,210,.78);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}
.brand{
  font-family: var(--title);
  font-weight: 700;
  letter-spacing: .8px;
  font-size: 18px;
}
.dot{ color: var(--accent); }
.nav-links{
  list-style: none;
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav-links a{
  font-family: var(--title);
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(11,11,11,.78);
  transition: transform .2s ease, color .2s ease;
}
.nav-links a:hover{
  color: var(--ink);
  transform: translateY(-1px);
}
.nav-links a.active{
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}
.icon-btn{
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.6);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}
/* Pills / buttons */
.pill{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.55);
  font-family: var(--title);
  font-size: 12px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}
.pill:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.pill.dark{
  background: var(--ink);
  color: var(--paper);
  border-color: rgba(11,11,11,.9);
}
/* Hero / cover */
.cover{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 16px;
  padding: 26px 0 14px;
}
.cover-left{
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.cover-left::before{
  content:"";
  position:absolute;
  inset: -2px;
  background:
    linear-gradient(90deg, rgba(143,154,91,.0), rgba(143,154,91,.30), rgba(143,154,91,.0));
  opacity: .35;
  transform: rotate(-6deg);
  pointer-events: none;
}
.kicker{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag{
  font-family: var(--title);
  font-size: 11px;
  letter-spacing: .16em;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.6);
}
.tag.alt{
  background: rgba(143,154,91,.25);
  border-color: rgba(143,154,91,.45);
}
.tag.thin{ background: transparent; }
.display{
  font-family: var(--title);
  font-size: clamp(44px, 5.2vw, 76px);
  font-weight: 700;
  line-height: .92;
  margin: 18px 0 10px;
}
.lede{
  color: var(--muted);
  line-height: 1.65;
  max-width: 62ch;
}
.cta-row{ display: flex; gap: 10px; flex-wrap: wrap; position: relative; z-index: 2; }
.meta-row{ margin-top: 14px; display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }
.meta{
  font-family: var(--title);
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(11,11,11,.70);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: transform .2s ease, color .2s ease;
}
.meta:hover{
  color: var(--ink);
  transform: translateY(-1px);
}
/* Right side hero */
.cover-right{
  padding: 18px;
  display: grid;
  gap: 14px;
}
.photo-frame{
  border-radius: calc(var(--radius) - 4px);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.5);
  overflow: hidden;
  min-height: 320px;
  position: relative;
}
.photo-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.10) 100%);
}
.photo-frame.small{ min-height: 220px; }
.photo{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.03);
}
.info-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.info{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255,255,255,.55);
}
.label{
  font-family: var(--title);
  font-size: 10px;
  letter-spacing: .18em;
  color: rgba(11,11,11,.58);
  margin-bottom: 6px;
}
.value{
  font-family: var(--title);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(11,11,11,.82);
  line-height: 1.35;
}
/* Contents */
.contents{
  margin: 14px 0 6px;
  padding: 18px;
}
.contents-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 12px;
}
.section-title{
  font-family: var(--title);
  letter-spacing: .08em;
  font-size: 26px;
  margin: 0;
}
.mini{
  font-family: var(--title);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(11,11,11,.58);
  text-transform: uppercase;
}
.contents-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}
.contents-item{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.55);
  font-family: var(--title);
  letter-spacing: .12em;
  font-size: 12px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.contents-item:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0,0,0,.12);
  border-color: rgba(11,11,11,.26);
}
.dots{
  flex: 1;
  border-bottom: 1px dashed rgba(11,11,11,.28);
  transform: translateY(3px);
}
/* Blocks */
.block{ padding: 18px 0 6px; }
.block-head{ padding: 8px 2px 6px; }
.sub{
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.6;
  max-width: 74ch;
}
/* Project search row */
.tools-row{
  padding: 14px 16px;
  margin-top: 12px;
}
.tools-row input{
  margin-top: 8px;
  width: 100%;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.60);
  outline: none;
  font-family: var(--body);
}
.tools-row input:focus{
  border-color: rgba(143,154,91,.75);
  box-shadow: 0 0 0 4px rgba(143,154,91,.18);
}
/* Cards */
.cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 12px;
}
.card{ padding: 18px; }
.card-top{
  display: grid;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.card-title{
  font-family: var(--title);
  letter-spacing: .10em;
  font-size: 14px;
  margin: 0;
}
.card-text{
  color: rgba(11,11,11,.72);
  line-height: 1.65;
  margin: 10px 0 0;
}
.card-actions{ margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }
/* Chips */
.chip-row{ display: flex; gap: 8px; flex-wrap: wrap; }
.chip{
  font-family: var(--title);
  font-size: 10px;
  letter-spacing: .16em;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid rgba(143,154,91,.55);
  background: rgba(143,154,91,.22);
  transition: transform .18s ease, background .18s ease;
}
.chip:hover{
  transform: translateY(-1px);
  background: rgba(143,154,91,.28);
}
/* About split */
.split{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 14px;
  margin-top: 10px;
}
.about-left{ padding: 18px; }
.about-right{
  padding: 18px;
  display: grid;
  gap: 14px;
}
.quote{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255,255,255,.55);
}
/* Timeline */
.timeline{ padding: 18px; margin-top: 12px; }
.trow{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.trow:first-child{ border-top: none; padding-top: 0; }
.tleft{
  font-family: var(--title);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(11,11,11,.60);
}
.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(11,11,11,.72);
  line-height: 1.65;
}
.bullets li{ margin: 8px 0; }
/* Skills & hobbies grids */
.skills-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 12px;
}
.skillbox{ padding: 18px; }
/* Hobbies with images */
.hobbies-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 12px;
}
.hobby-card.image{
  padding: 0;
  overflow: hidden;
}
.hobby-image{
  height: 180px;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
}
.hobby-image::before{
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  background-size: cover;
  background-position: center;
  filter: blur(8px) brightness(0.85);
  transform: scale(1.1);
  z-index: 0;
}
.hobby-image::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(0,0,0,.28) 100%);
  z-index: 2;
}
.hobby-image img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  position: relative;
  z-index: 1;
  transition: transform .45s ease;
}
.hobby-card.image:hover .hobby-image img{
  transform: scale(1.05);
}
.hobby-content{ padding: 16px 18px; }
.hobby-title{
  font-family: var(--title);
  font-size: 13px;
  letter-spacing: .16em;
}
/* Contact */
.contact{
  margin-top: 12px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field{
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}
.field span{
  font-family: var(--title);
  font-size: 10px;
  letter-spacing: .18em;
  color: rgba(11,11,11,.60);
}
input, textarea{
  width: 100%;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.60);
  font-family: var(--body);
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(143,154,91,.75);
  box-shadow: 0 0 0 4px rgba(143,154,91,.18);
}
.hint{
  min-height: 1.2em;
  margin: 10px 0 0;
  color: rgba(11,11,11,.62);
}
/* Footer */
.footer{
  margin: 26px 0 40px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: var(--title);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(11,11,11,.62);
}
/* Reveal animation */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.in{
  opacity: 1;
  transform: translateY(0);
}
/* Back to top button */
.to-top{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.70);
  box-shadow: 0 14px 40px rgba(0,0,0,.14);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.to-top.show{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
/* ---------- Dark mode theme ---------- */
:root[data-theme="dark"]{
  --paper: #0f1210;
  --paper-2: #0b0e0c;
  --ink: #f2f3ef;
  --muted: rgba(242,243,239,.70);
  --line: rgba(242,243,239,.16);
  --accent: #a9b66b;
}
:root[data-theme="dark"] body{
  background:
    radial-gradient(1200px 700px at 12% 8%, rgba(169,182,107,.22), transparent 55%),
    radial-gradient(900px 600px at 88% 22%, rgba(169,182,107,.10), transparent 60%),
    linear-gradient(180deg, var(--paper), var(--paper-2));
}
:root[data-theme="dark"] .topbar{
  background: rgba(15,18,16,.72);
}
:root[data-theme="dark"] .panel{
  background: rgba(255,255,255,.06);
}
:root[data-theme="dark"] .tag{
  background: rgba(255,255,255,.06);
}
:root[data-theme="dark"] .info{
  background: rgba(255,255,255,.06);
}
:root[data-theme="dark"] .pill{
  background: rgba(255,255,255,.06);
}
:root[data-theme="dark"] .pill.dark{
  background: rgba(255,255,255,.92);
  color: #0b0b0b;
  border-color: rgba(255,255,255,.92);
}
:root[data-theme="dark"] input,
:root[data-theme="dark"] textarea{
  background: rgba(255,255,255,.06);
  color: var(--ink);
}
:root[data-theme="dark"] .card-text,
:root[data-theme="dark"] .bullets{
  color: rgba(242,243,239,.82);
}
:root[data-theme="dark"] .card-text{
  color: rgba(242,243,239,.72);
}
:root[data-theme="dark"] .label{
  color: rgba(242,243,239,.58);
}
:root[data-theme="dark"] .value{
  color: rgba(242,243,239,.82);
}
:root[data-theme="dark"] .tleft{
  color: rgba(242,243,239,.60);
}
:root[data-theme="dark"] .bullets{
  color: rgba(242,243,239,.72);
}
:root[data-theme="dark"] .sub{
  color: rgba(242,243,239,.68);
}
:root[data-theme="dark"] .meta{
  color: rgba(242,243,239,.70);
}
:root[data-theme="dark"] .chip{
  color: rgba(242,243,239,.82);
  border-color: rgba(169,182,107,.55);
  background: rgba(169,182,107,.22);
}
:root[data-theme="dark"] .contents-item{
  background: rgba(255,255,255,.06);
  color: rgba(242,243,239,.82);
}
:root[data-theme="dark"] .hint{
  color: rgba(242,243,239,.62);
}
:root[data-theme="dark"] .field span{
  color: rgba(242,243,239,.60);
}
:root[data-theme="dark"] .nav-links a{
  color: rgba(242,243,239,.78);
}
:root[data-theme="dark"] .hobby-title{
  color: var(--ink);
}
:root[data-theme="dark"] .icon-btn{
  background: rgba(255,255,255,.06);
  color: var(--ink);
}
:root[data-theme="dark"] .to-top{
  background: rgba(255,255,255,.10);
  color: var(--ink);
}
/* Responsive */
@media (max-width: 980px){
  .cover{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .skills-grid{ grid-template-columns: 1fr; }
  .hobbies-grid{ grid-template-columns: repeat(2, 1fr); }
  .contact{ grid-template-columns: 1fr; }
  .trow{ grid-template-columns: 1fr; }
  .contents-grid{ grid-template-columns: 1fr; }
  .info-grid{ grid-template-columns: 1fr; }
  .icon-btn{ display: inline-flex; }
  .nav-links{
    display: none;
    position: absolute;
    right: 4vw;
    top: 62px;
    width: min(320px, 92vw);
    flex-direction: column;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(230,228,210,.95);
    box-shadow: var(--shadow);
  }
  :root[data-theme="dark"] .nav-links{
    background: rgba(15,18,16,.92);
  }
  .nav-links.show{ display: flex; }
}
@media (max-width: 520px){
  .hobbies-grid{ grid-template-columns: 1fr; }
}