/* ===== Light theme (default) ===== */
:root{
  --bg: #f7f7fb;
  --card: #ffffff;
  --elev: #fbfbff;
  --text: #14151a;
  --muted: #62627a;
  --line: #e8e8f2;
  --accent: #7C3AED;
  --accent-2: #06B6D4;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(14, 13, 40, .08);
}
/* Dark theme override */
.dark{
  --bg: #0b0b10;
  --card: #12121a;
  --elev: #1a1a23;
  --text: #e9e9ee;
  --muted: #a9a9b8;
  --line: #242435;
  --shadow: 0 10px 30px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: 'Noto Sans KR', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color:var(--text);background:var(--bg);
  line-height:1.6;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1120px, 92%);margin-inline:auto}

/* Accessibility */
.skip-nav{position:absolute;left:-9999px;top:auto}
.skip-nav:focus{left:16px;top:16px;background:#111;color:#fff;padding:8px 12px;border-radius:8px;z-index:1000}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter: blur(8px);border-bottom:1px solid var(--line)}
.dark .site-header{background:rgba(11,11,16,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:transparent;border:0;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--text);display:block}
.nav-list{display:flex;gap:18px;align-items:center}
.nav-list a, .nav-list .ghost{padding:8px 12px;border-radius:10px}
.nav-list a:hover{background:var(--elev)}

@media (max-width: 840px){
  .nav-toggle{display:flex}
  .nav-list{position:absolute;right:16px;top:64px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;display:none;flex-direction:column;min-width:200px;box-shadow:var(--shadow)}
  .nav-list.show{display:flex}
}

/* ===== UI ===== */
.button{background:linear-gradient(135deg,var(--accent), var(--accent-2));color:#fff;border:0;padding:12px 18px;border-radius:12px;cursor:pointer;font-weight:700;box-shadow:var(--shadow);display:inline-block}
.button:hover{opacity:.95;transform:translateY(-1px)}
.button.ghost{background:transparent;border:1px solid var(--line);color:var(--text);box-shadow:none}
.button.small{padding:8px 10px;border-radius:10px;font-weight:600}
.button.wide{display:block;text-align:center;width:100%}

.ghost{background:transparent;border:1px solid var(--line);padding:10px 12px;border-radius:12px;cursor:pointer}
.ghost.small{font-size:.9rem}

.badges{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0;padding:0;list-style:none}
.badges li{padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-weight:600}

.card{background:linear-gradient(180deg,rgba(6,6,12,.02),rgba(6,6,12,.01));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.section{padding:88px 0}
h1,h2,h3{line-height:1.15;margin:0 0 16px;color:var(--text)}
h1{font-size: clamp(36px, 5vw, 64px);font-weight:900;letter-spacing:-.5px}
.title-hero{letter-spacing:-.02em}
h2{font-size: clamp(26px, 3.4vw, 34px);font-weight:800}
h3{font-size: 20px;font-weight:800}
.lead{color:#2a2a3a}
.sub{color:var(--muted)}

.center{text-align:center}
.grid-2col{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.grid-3col{display:grid;grid-template-columns:repeat(3, 1fr);gap:24px;margin-top:22px}
.grid-4col{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;margin-top:18px}

@media (max-width: 960px){
  .grid-2col{grid-template-columns:1fr}
  .grid-3col{grid-template-columns:repeat(2, 1fr)}
  .grid-4col{grid-template-columns:repeat(2, 1fr)}
}
@media (max-width: 560px){
  .grid-3col{grid-template-columns:1fr}
}

/* ===== Hero ===== */
.hero{position:relative;isolation:isolate}
.hero-bg{position:absolute;inset:0;opacity:.18;pointer-events:none}
.hero-inner{display:grid;grid-template-columns: 1.2fr .8fr;gap:30px;align-items:center;padding-top:28px}
.hero-card{padding:18px}
.profile{display:flex;align-items:center;gap:14px;padding:10px 8px 16px;border-bottom:1px dashed var(--line);margin-bottom:10px}
.profile strong{font-size:18px}
.profile span{color:var(--muted);font-size:14px}
.stats{list-style:none;margin:8px 0 14px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stats li{background:var(--elev);border:1px solid var(--line);border-radius:12px;padding:10px 8px;text-align:center}
.hero-cta{display:flex;gap:10px;align-items:center;margin-top:18px}
.accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}

@media (max-width: 960px){
  .hero-inner{grid-template-columns:1fr}
}

/* ===== About ===== */
.about-card{padding:20px}
.checklist{list-style:none;margin:16px 0;padding:0;display:grid;gap:8px}
.checklist li{position:relative;padding-left:26px}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:#48b29a}
.steps{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.steps li{display:flex;gap:12px;align-items:center}
.steps span{display:inline-grid;place-content:center;background:var(--elev);border:1px solid var(--line);width:28px;height:28px;border-radius:50%;font-weight:800}

/* ===== Skills ===== */
.skills .skill{display:flex;gap:10px;align-items:center;background:var(--elev);padding:12px;border:1px solid var(--line);border-radius:12px}
.skills .skill span{font-weight:700}

/* ===== Portfolio ===== */
.portfolio .project{overflow:hidden}
.project img{border-top-left-radius:var(--radius);border-top-right-radius:var(--radius);aspect-ratio: 4/3;object-fit:cover}
.project-body{padding:14px;border-top:1px solid var(--line)}
.project:hover{transform:translateY(-2px);transition:.2s ease;box-shadow:0 12px 30px rgba(0,0,0,.1)}

/* ===== Pricing ===== */
.pricing .price-card{padding:18px;display:flex;flex-direction:column;gap:12px}
.price-head p{color:var(--muted);margin:0}
.price{font-size:28px;display:flex;align-items:flex-end;gap:6px}
.price strong{font-size:36px}
.price-card .features{list-style:none;margin:0;padding:0;display:grid;gap:8px;color:#3a3a4a}
.price-card.highlight{outline:2px solid var(--accent);background:linear-gradient(180deg,rgba(124,58,237,.06),rgba(6,6,12,.01))}

/* ===== Calendar ===== */
.cal-card{padding:20px}
.cal-form{display:grid;gap:12px}
.cal-form label{display:grid;gap:6px;font-weight:700}
.cal-form input,.cal-form textarea,.cal-form select{
  background:var(--elev);border:1px solid var(--line);border-radius:12px;color:var(--text);padding:12px;outline:0
}
.cal-form input:focus,.cal-form textarea:focus,.cal-form select:focus{border-color:var(--accent)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media (max-width:720px){.grid-2,.grid-3{grid-template-columns:1fr}}
.cal-actions .button{width:100%}

/* ===== Contact ===== */
.contact-form{padding:18px;display:grid;gap:12px}
.contact-form label{display:grid;gap:6px;font-weight:700}
.contact-form input,.contact-form textarea{
  background:var(--elev);border:1px solid var(--line);border-radius:12px;color:var(--text);padding:12px;outline:0
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent)}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.contact-list a{color:#4338ca;text-decoration:underline dotted}
.hint{color:var(--muted);font-size:.9rem;margin:0}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);text-align:center}

/* ===== Reveal Animation ===== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s ease}
.reveal.show{opacity:1;transform:none}
.delay-1{transition-delay:.08s}.delay-2{transition-delay:.16s}.delay-3{transition-delay:.24s}


/* === FIX: Skills layout & sizing === */
.skills .skill{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:12px;
  background:var(--elev);
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:12px;
  min-height:84px;
}
.skills .skill img{
  width:64px;height:64px;object-fit:contain;flex:0 0 auto;
}
.skills .skill span{
  font-weight:800;
  font-size:16px;
  letter-spacing:0;
  white-space:nowrap;
}