:root{
  --bg:#0f1115;
  --paper:#f7f2e8;       /* off-white paper */
  --ink:#12151b;
  --muted:#5d6270;

  /* mossy green palette */
  --accent:#9DFF9D;
  --accent2:#B6F25A;
  --accent3:#8AA7FF;

  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --soft: 0 10px 25px rgba(0,0,0,.25);
  --radius: 18px;
  --grid: rgba(255,255,255,.06);
}

[data-theme="light"]{
  --bg:#fbfbff;
  --paper:#ffffff;
  --ink:#11131a;
  --muted:#586070;
  --shadow: 0 18px 40px rgba(0,0,0,.12);
  --soft: 0 10px 25px rgba(0,0,0,.10);
  --grid: rgba(16,20,30,.08);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

/* smooth scrolling + offset for fixed header */
html{ scroll-behavior: smooth; }
:target{ scroll-margin-top: 92px; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background:
    linear-gradient(0deg, var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(1200px 600px at 15% 10%, rgba(157,255,157,.12), transparent 50%),
    radial-gradient(900px 500px at 85% 20%, rgba(182,242,90,.10), transparent 55%),
    radial-gradient(900px 500px at 80% 90%, rgba(138,167,255,.10), transparent 55%),
    var(--bg);
  background-size: 44px 44px, 44px 44px, auto, auto, auto, auto;
  color: #eaeefc;
}
[data-theme="light"] body{ color: var(--ink); }

a{ color: inherit; text-decoration:none; }
p{ line-height:1.45; }

.wrap{
  width:min(1200px, 92vw);
  margin: 90px auto 90px;
}

/* progress bar */
.progress{
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 999;
  background: transparent;
}
.progress-bar{
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 20px rgba(0,0,0,.25);
}
[data-theme="light"] .progress-bar{
  box-shadow: 0 10px 20px rgba(0,0,0,.12);
}

/* topbar */
.topbar{
  position:fixed; top:0; left:0; right:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 18px;
  backdrop-filter: blur(14px);
  background: rgba(15,17,21,.55);
  border-bottom: 1px solid rgba(255,255,255,.08);
  z-index: 120;
}
[data-theme="light"] .topbar{
  background: rgba(251,251,255,.7);
  border-bottom: 1px solid rgba(10,10,20,.08);
}

.brand{ display:flex; align-items:center; gap:10px; }
.logo-dot{
  width:12px;height:12px;border-radius:999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(255,255,255,.07);
}
.brand-text{ font-weight:900; letter-spacing:.4px; opacity:.95; }

.brand-stack{
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.brand-phon{
  font-size: 12px;
  font-weight: 700;
  opacity: .65;
  margin-top: 2px;
}
[data-theme="light"] .brand-phon{ opacity: .7; }

.nav{ display:flex; gap:16px; align-items:center; }
.nav a{
  padding: 8px 10px;
  border-radius: 12px;
  opacity:.9;
  transition: transform .18s ease, background .18s ease, opacity .18s ease;
}
.nav a:hover{
  background: rgba(255,255,255,.08);
  transform: translateY(-1px);
  opacity:1;
}

.nav-actions{
  display:flex;
  gap:10px;
  align-items:center;
}

/* buttons */
.mode, .lang{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: inherit;
  border-radius: 12px;
  padding: 8px 10px;
  cursor:pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
.lang{ font-weight: 900; min-width: 46px; }
.mode:hover, .lang:hover{ transform: translateY(-1px); box-shadow: var(--soft); }

[data-theme="light"] .mode,
[data-theme="light"] .lang{
  border-color: rgba(10,10,20,.10);
  background: rgba(255,255,255,.7);
}

/* stickers decor */
.sticker{
  position: fixed;
  width: 70px; height: 70px;
  opacity: .9;
  filter: drop-shadow(0 12px 18px rgba(0,0,0,.35));
  z-index: 0;
  pointer-events:none;
  animation: floaty 6s ease-in-out infinite;
}
.s-star{
  top: 90px; left: 18px;
  background:
    radial-gradient(circle at 30% 30%, var(--accent), transparent 45%),
    radial-gradient(circle at 70% 70%, var(--accent3), transparent 50%);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 67% 57%, 79% 91%, 50% 70%, 21% 91%, 33% 57%, 2% 35%, 39% 35%);
}
.s-clover{
  top: 140px; right: 18px; animation-delay: -1.5s;
  background:
    radial-gradient(circle at 30% 30%, #7CFF9D, transparent 55%),
    radial-gradient(circle at 70% 30%, #7CFF9D, transparent 55%),
    radial-gradient(circle at 30% 70%, #7CFF9D, transparent 55%),
    radial-gradient(circle at 70% 70%, #7CFF9D, transparent 55%);
  border-radius: 28px;
}
.s-heart{
  bottom: 40px; left: 22px; animation-delay: -3s;
  background:
    radial-gradient(circle at 35% 35%, rgba(182,242,90,.95), transparent 55%),
    radial-gradient(circle at 65% 35%, rgba(182,242,90,.95), transparent 55%),
    radial-gradient(circle at 50% 70%, rgba(182,242,90,.95), transparent 62%);
  clip-path: polygon(50% 88%, 80% 62%, 92% 40%, 82% 22%, 64% 22%, 50% 36%, 36% 22%, 18% 22%, 8% 40%, 20% 62%);
}

@keyframes floaty{
  0%,100%{ transform: translateY(0px) rotate(-2deg); }
  50%{ transform: translateY(-10px) rotate(2deg); }
}

/* hero */
.hero{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 22px;
  align-items:start;
  position: relative;
  z-index: 1;
}
@media (max-width: 980px){
  .hero{ grid-template-columns: 1fr; }
}

.scribble-title{ padding: 18px 18px 12px; }
.hand{
  display:inline-block;
  font-weight: 900;
  font-size: clamp(34px, 4.4vw, 54px);
  letter-spacing: .5px;
}
.subtitle{ margin-top: 6px; color: rgba(234,238,252,.72); }
[data-theme="light"] .subtitle{ color: var(--muted); }

.apple-card{
  margin-top: 10px;
  position: relative;
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
  overflow:hidden;
  padding: 18px;
}
[data-theme="light"] .apple-card{
  background: rgba(255,255,255,.85);
  border-color: rgba(10,10,20,.08);
}

.tape{
  position:absolute;
  width: 120px; height: 34px;
  background: linear-gradient(135deg, rgba(255,255,255,.28), rgba(255,255,255,.08));
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 10px;
  transform: rotate(-8deg);
  top: 10px;
  opacity:.85;
}
.tape-a{ left: 16px; }
.tape-b{ right: 16px; transform: rotate(10deg); }

.apple{
  height: 260px;
  border-radius: 22px;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  padding: 18px;
  position:relative;
  background:
    radial-gradient(220px 220px at 35% 30%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(320px 220px at 65% 65%, rgba(0,0,0,.25), transparent 70%),
    radial-gradient(500px 300px at 50% 50%, #ff2b2b, #a8001a 62%, #5c0010 100%);
  border: 1px solid rgba(255,255,255,.12);
}
.shine{
  position:absolute;
  width: 90px; height: 160px;
  left: 28px; top: 30px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.65), transparent 65%);
  transform: rotate(-18deg);
  opacity:.65;
}
.apple-text{
  text-align:center;
  padding-bottom: 14px;
  text-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.apple-text .big{
  font-weight: 900;
  letter-spacing: 2px;
  font-size: clamp(28px, 3.3vw, 40px);
}
.apple-text .small{
  margin-top: 6px;
  font-size: 14px;
  opacity:.88;
}

.hero-cta{
  display:flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap:wrap;
  justify-content:center;
}

.apple-stickers{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  margin-top: 14px;
  justify-content:center;
}

/* chips */
.chip{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  color: inherit;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.chip:hover{
  transform: translateY(-2px) rotate(-1deg);
  box-shadow: var(--soft);
  background: rgba(255,255,255,.12);
}
[data-theme="light"] .chip{
  border-color: rgba(10,10,20,.10);
  background: rgba(255,255,255,.7);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  background: #11131a;
  color: #fff;
  font-weight: 900;
  border: 1px solid rgba(0,0,0,.2);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn:hover{ transform: translateY(-2px); box-shadow: 0 16px 28px rgba(0,0,0,.18); filter: brightness(1.05); }
.btn.ghost{
  background: transparent;
  color: inherit;
  border: 1px solid rgba(255,255,255,.18);
}
[data-theme="light"] .btn.ghost{ border-color: rgba(10,10,20,.14); }

/* note */
.note{
  margin-top: 14px;
  display:flex; gap:12px; align-items:flex-start;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px dashed rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
}
.note-dot{
  width:12px;height:12px;border-radius:999px;
  margin-top: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
}

/* paper */
.paper{
  background: var(--paper);
  color: var(--ink);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow:hidden;
  border: 1px solid rgba(10,10,20,.08);
}
.paper-header{
  padding: 16px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  background: linear-gradient(90deg, rgba(157,255,157,.35), rgba(182,242,90,.22));
}
.tag{
  display:inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(10,10,20,.10);
  font-weight: 900;
}
.mini{ opacity:.75; font-weight:700; }

.about-grid{
  padding: 18px;
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
}
@media (max-width: 560px){
  .about-grid{ grid-template-columns: 1fr; }
}

.polaroid{
  background: #fff;
  border-radius: 18px;
  padding: 12px 12px 14px;
  box-shadow: 0 18px 35px rgba(0,0,0,.18);
  border: 1px solid rgba(10,10,20,.08);
  position:relative;
}
.pin{
  position:absolute;
  width: 16px; height: 16px;
  border-radius: 999px;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle at 30% 30%, #fff, #d7d7d7);
  box-shadow: 0 8px 14px rgba(0,0,0,.18);
}

/* photo with img */
.photo{
  height: 190px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(157,255,157,.35), rgba(138,167,255,.22));
}
.photo-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display:block;
}

.caption{ margin-top: 10px; font-weight: 900; text-align:center; }

.bio .name{ margin: 0 0 8px; font-size: 30px; }
.bio .desc{ margin: 0 0 12px; color: rgba(0,0,0,.72); }

.traits{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 12px; }
.label{
  font-weight: 900;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,.05);
  border: 1px solid rgba(0,0,0,.08);
}

.contacts{ display:grid; gap:8px; margin-top: 10px; }
.contact-item{
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(0,0,0,.04);
  border: 1px solid rgba(0,0,0,.08);
  transition: transform .18s ease, box-shadow .18s ease;
}
.contact-item:hover{ transform: translateY(-2px); box-shadow: 0 12px 22px rgba(0,0,0,.12); }
.ico{ width: 22px; display:inline-block; }

.cta-row{ display:flex; gap:10px; margin-top: 12px; flex-wrap:wrap; }

/* sections */
.section{ margin-top: 34px; position: relative; z-index: 1; }
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:12px;
  padding: 0 6px 10px;
}
.section-head h3{ margin:0; font-size: 26px; letter-spacing:.2px; }
.section-head p{ margin:0; opacity:.75; }

/* project cards */
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 980px){
  .cards{ grid-template-columns: 1fr; }
}

.card{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 20px;
  box-shadow: var(--soft);
  overflow:hidden;
  min-height: 180px;
  cursor:pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  position:relative;
}
[data-theme="light"] .card{
  background: rgba(255,255,255,.75);
  border-color: rgba(10,10,20,.08);
}
.card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(157,255,157,.35);
}

.washi{
  height: 14px;
  width: 64%;
  margin: 16px 16px 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(157,255,157,.75), rgba(182,242,90,.55));
  opacity:.85;
}
.washi.alt{
  background: linear-gradient(90deg, rgba(138,167,255,.65), rgba(157,255,157,.65));
}

.proj{ perspective: 900px; }
.card-face{
  padding: 16px 16px 18px;
  position:absolute;
  inset:0;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}
.front h4, .back h4{ margin: 10px 0 6px; }
.front p{ margin: 0 0 10px; opacity:.82; }
.tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top: 10px; }
.tags span{
  font-size: 12px;
  font-weight: 900;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
}

.back{ transform: rotateY(180deg); }
.back ul{ margin: 10px 0 12px 18px; opacity:.9; }
.link{
  display:inline-flex;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
}

/* flip state */
.flip.is-flipped .front{ transform: rotateY(180deg); }
.flip.is-flipped .back{ transform: rotateY(360deg); }

/* SKILLS GRID: auto-fit = no overlay ever */
.skill-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

/* chips container wraps */
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

/* cards that can grow: no clipping */
.paper-card, .card, .skill{ overflow: visible; }

.paper-card{
  border-radius: 20px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--soft);
  padding: 16px;
  position: relative;
  overflow:hidden;
}
[data-theme="light"] .paper-card{
  background: rgba(255,255,255,.75);
  border-color: rgba(10,10,20,.08);
}
.corner{
  position:absolute;
  width: 110px; height: 110px;
  top: -50px; right: -50px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.30), transparent 60%),
    radial-gradient(circle at 60% 60%, rgba(157,255,157,.25), transparent 60%);
  transform: rotate(12deg);
}

/* languages */
.lang-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 980px){
  .lang-grid{ grid-template-columns: 1fr; }
}
.lang-card ul{ margin: 10px 0 0 18px; opacity: .9; }

/* contact */
.contact-row{ display:grid; gap: 14px; }
.contact-card p{ opacity:.8; }
.contact-actions{ display:flex; gap:10px; margin-top: 10px; flex-wrap:wrap; }

.mini-footer{
  display:flex; gap: 10px; flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  opacity:.7;
  padding: 10px 0 0;
}
.dot{ opacity:.55; }
.tiny{ font-size: 13px; }

/* reveal */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.in{ opacity: 1; transform: translateY(0); }

/* tilt */
.tilt{ transform: rotate(-.6deg); transition: transform .18s ease; }
.tilt:hover{ transform: rotate(.4deg) translateY(-2px); }

/* tooltip */
.tooltip{
  position: fixed;
  left: 0; top: 0;
  transform: translate(-999px, -999px);
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(15,17,21,.88);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  color: #eaeefc;
  pointer-events:none;
  opacity: 0;
  transition: opacity .12s ease, transform .12s ease;
  z-index: 200;
  max-width: 300px;
  font-weight: 800;
}
[data-theme="light"] .tooltip{
  background: rgba(255,255,255,.92);
  color: var(--ink);
  border-color: rgba(10,10,20,.10);
}
.tooltip.show{ opacity: 1; }

/* ---------------- YOUTUBE SECTION ---------------- */

.youtube-card{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}

.yt-left{
  display:flex;
  gap:14px;
  align-items:flex-start;
}

.yt-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  background:linear-gradient(135deg, #ff0000, #cc0000);
  color:white;
  box-shadow:0 10px 20px rgba(0,0,0,.25);
}

.yt-left h4{
  margin:0 0 6px;
}

.yt-left p{
  margin:0;
  opacity:.8;
}

.yt-actions{
  display:flex;
  align-items:center;
}

/* ---------------- YOUTUBE EMBED ---------------- */

.youtube-card{
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  gap:20px;
  align-items:center;
}

.yt-video{
  position:relative;
  width:100%;
  padding-top:56.25%; /* 16:9 */
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 20px 40px rgba(0,0,0,.3);
}

.yt-video iframe{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  border:none;
}

.yt-info h4{
  margin:0 0 10px;
}

.yt-info p{
  margin:0 0 14px;
  opacity:.8;
}

/* Mobile fix */
@media (max-width: 900px){
  .youtube-card{
    grid-template-columns: 1fr;
  }
}

/* ---------------- PREMIUM APPLE MOBILE MENU ---------------- */
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  z-index:160;
  padding: 6px;
  border-radius: 12px;
}
.hamburger:hover{
  background: rgba(255,255,255,.08);
}
.hamburger span{
  width:26px;
  height:3px;
  background:currentColor;
  border-radius:3px;
  transition:all .35s cubic-bezier(.4,0,.2,1);
}
.hamburger.active span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2){ opacity:0; }
.hamburger.active span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

.menu-overlay{
  position:fixed;
  inset:0;
  backdrop-filter:blur(10px);
  background:rgba(0,0,0,.25);
  opacity:0;
  pointer-events:none;
  transition:opacity .35s ease;
  z-index:140;
}
.menu-overlay.show{
  opacity:1;
  pointer-events:auto;
}

/* Mobile menu panel */
@media (max-width: 900px){
  .hamburger{ display:flex; }

  .nav{
    position:fixed;
    top:0;
    right:0;
    width: 280px;
    height:100vh;
    flex-direction:column;
    align-items:flex-start;
    padding: 110px 22px 22px;
    gap: 14px;

    background:rgba(20,20,25,.85);
    backdrop-filter:blur(20px);
    box-shadow:-20px 0 40px rgba(0,0,0,.4);

    transform:translateX(100%);
    transition:transform .4s cubic-bezier(.4,0,.2,1);
    z-index:150;
    overflow:auto;
  }
  [data-theme="light"] .nav{
    background:rgba(255,255,255,.88);
  }
  .nav.open{ transform:translateX(0); }

  .nav a{
    width: 100%;
    font-size: 18px;
    font-weight: 800;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
  }
  [data-theme="light"] .nav a{
    background: rgba(0,0,0,.04);
    border-color: rgba(0,0,0,.08);
  }

  .nav-actions{
    width:100%;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,.12);
  }
  [data-theme="light"] .nav-actions{
    border-top-color: rgba(0,0,0,.10);
  }

  body.menu-open{ overflow:hidden; }
}

/* ---------------- MOBILE PROJECT FIX: expand instead of flip ---------------- */
@media (max-width: 900px){
  .proj{ perspective: none; }
  .card{ min-height: auto; height: auto; }

  .card-face{
    position: relative;
    inset: auto;
    backface-visibility: visible;
    transform: none !important;
  }

  .back{ display:none; }
  .flip.is-flipped .front{ display:none; }
  .flip.is-flipped .back{ display:block; }
}