/* ============ TSAD · Park Gyuri Book Design Portfolio ============ */
:root{
  --red: #F04145;
  --red-deep: #C8262A;
  --pink: #FCD2D2;
  --cream: #FBF7F4;
  --paper: #FFFFFF;
  --ink: #1A1A1A;
  --ink-soft: #4A4A4A;
  --ink-mute: #8A8A8A;
  --rule: #EDE7E2;
  --shadow: 0 1px 2px rgba(20,16,14,.04), 0 24px 60px -28px rgba(160,40,44,.18);
  --radius: 14px;
  --maxw: 1400px;
  --gap: clamp(20px, 4vw, 56px);
  --serif: "Noto Serif KR", "Noto Serif", ui-serif, Georgia, "Apple SD Gothic Neo", serif;
  --sans:  "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top: 72px; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg{max-width:100%; height:auto; display:block}
a{color:inherit}
button{font:inherit; cursor:pointer}

::selection{ background: var(--red); color: var(--pink); }

.skip-link{
  position:absolute; left:-9999px; top:0;
  background:var(--red); color:#fff; padding:10px 14px; border-radius:0 0 8px 0;
  z-index:1000;
}
.skip-link:focus{ left:0 }

.container{ max-width: var(--maxw); margin:0 auto; padding: 0 clamp(16px, 4vw, 40px); }

/* ============ Header ============ */
.site-header{
  position:sticky; top:0; z-index: 50;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding: 12px clamp(16px, 4vw, 40px);
  background: rgba(251,247,244,.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.brand{
  display:inline-flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--ink);
  font-weight:700; letter-spacing:.04em;
}
.brand-mark{ flex:0 0 28px; transform: translateY(-1px); }
.brand-name{ font-size:18px; }
.brand-tag{ font-size:11px; color: var(--ink-mute); letter-spacing:.16em; text-transform:uppercase; display:none }
@media (min-width:720px){ .brand-tag{display:inline} }
.site-nav{ display:flex; gap: clamp(10px, 2.4vw, 28px); font-size: 14px; }
.site-nav a{ text-decoration:none; color: var(--ink-soft); padding: 6px 0; position:relative; }
.site-nav a:hover{ color: var(--red); }
.site-nav a:focus-visible{ outline: 2px solid var(--red); outline-offset: 4px; border-radius: 4px; }

/* ============ Hero ============ */
.hero{
  position:relative;
  background: linear-gradient(180deg, var(--red) 0%, var(--red) 60%, #E83C40 100%);
  color: var(--pink);
  padding: clamp(56px, 10vw, 120px) 0 clamp(72px, 12vw, 140px);
  overflow: hidden;
}
.hero::before, .hero::after{
  content:""; position:absolute; border-radius:50%;
  background: var(--pink); opacity:.10; pointer-events:none;
}
.hero::before{ width:520px; height:520px; right:-160px; top:-160px; }
.hero::after{ width:380px; height:380px; left:-120px; bottom:-160px; }
.hero-inner{
  position:relative;
  max-width: var(--maxw);
  margin:0 auto; padding: 0 clamp(20px, 5vw, 56px);
}
.eyebrow{
  font-family: var(--mono);
  font-size: 12px; letter-spacing:.32em; text-transform:uppercase;
  color: var(--pink); opacity:.85; margin: 0 0 18px;
}
.hero-title{
  margin: 0 0 24px; font-weight: 800;
  display:flex; flex-direction:column; gap: 6px;
  line-height: .95;
}
.hero-name{
  font-family: var(--serif);
  font-size: clamp(64px, 12vw, 168px);
  letter-spacing: -.02em;
  color: var(--pink);
}
.hero-sub{
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 400;
  color: var(--pink); opacity: .82;
  letter-spacing: .04em;
}
.hero-lede{
  max-width: 620px;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--pink); opacity:.92;
  margin: 0 0 28px;
}
.hero-lede strong{ color:#fff; font-weight:600 }
.hero-meta{ display:flex; flex-wrap:wrap; gap: 12px; margin-bottom: 40px; }
.cta{
  display:inline-flex; align-items:center; gap:8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; text-decoration:none;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.cta.primary{ background: var(--pink); color: var(--red-deep); }
.cta.primary:hover{ transform: translateY(-1px); background:#fff; }
.cta.ghost{ background: transparent; color: var(--pink); border: 1.5px solid var(--pink); }
.cta.ghost:hover{ background: var(--pink); color: var(--red-deep); }

.hero-stats{
  list-style:none; padding:0; margin: 0;
  display:grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
  border-top: 1px solid rgba(252,210,210,.32);
  padding-top: 28px;
  max-width: 720px;
}
.hero-stats li{ display:flex; flex-direction:column; gap:4px; }
.hero-stats strong{ font-family: var(--serif); font-size: clamp(28px, 3.4vw, 38px); color:#fff; font-weight:700; line-height:1; }
.hero-stats span{ font-size: 12px; letter-spacing:.08em; text-transform:uppercase; color: var(--pink); opacity:.78; }

/* ============ Section common ============ */
section{ scroll-margin-top: 80px; }
.kicker{
  font-family: var(--mono);
  font-size: 11px; letter-spacing:.32em; text-transform:uppercase;
  color: var(--red); margin: 0 0 12px;
}
h2{
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700; letter-spacing: -.01em;
  margin: 0 0 28px;
}
h3{ font-family: var(--serif); font-weight:700; letter-spacing:-.005em; }

/* ============ About ============ */
.about{ background: var(--paper); padding: clamp(64px, 9vw, 112px) 0; }
.two-col{
  display:grid; gap: clamp(28px, 6vw, 72px);
  grid-template-columns: 1fr;
}
@media (min-width: 880px){ .two-col{ grid-template-columns: 1.4fr 1fr; } }
.about p{ font-size: 16px; color: var(--ink-soft); margin: 0 0 14px; }
.about strong{ color: var(--ink); font-weight: 600; }
.notes{
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px;
  align-self: start;
}
.notes ul{ list-style:none; padding:0; margin:0; }
.notes li{
  padding: 10px 0;
  border-top: 1px dashed var(--rule);
  font-size: 14px;
  color: var(--ink-soft);
}
.notes li:first-child{ border-top: none; padding-top: 0; }
.notes li::before{ content:"—  "; color: var(--red); font-weight:700; }

/* ============ Services ============ */
.services{ padding: clamp(64px, 9vw, 112px) 0; background: var(--cream); }
.service-grid{
  list-style:none; padding:0; margin:0;
  display:grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.service-grid li{
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.service-grid li:hover{ transform: translateY(-2px); border-color: var(--red); box-shadow: var(--shadow); }
.service-grid h3{ font-size: 18px; margin: 0 0 6px; color: var(--ink); }
.service-grid p{ font-size: 14px; color: var(--ink-soft); margin: 0; }

/* ============ Experience timeline ============ */
.experience{ padding: clamp(64px, 9vw, 112px) 0; background: var(--paper); }
.timeline{ list-style:none; padding:0; margin:0; }
.timeline li{
  display:grid; gap: 12px; grid-template-columns: 1fr;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.timeline li:last-child{ border-bottom: 1px solid var(--rule); }
@media (min-width: 720px){
  .timeline li{ grid-template-columns: 220px 1fr; gap: 32px; align-items: baseline; }
}
.t-period{
  font-family: var(--mono);
  font-size: 13px; letter-spacing:.08em;
  color: var(--red);
}
.timeline h3{ font-size: 19px; margin: 0 0 4px; }
.timeline p{ margin:0; color: var(--ink-soft); font-size: 15px; }

/* ============ Portfolio gallery ============ */
.portfolio{ background: var(--cream); padding: clamp(64px, 9vw, 112px) 0; }
.portfolio-lede{ color: var(--ink-soft); margin: 0 0 32px; max-width: 700px; }
kbd{
  font-family: var(--mono);
  background: var(--paper); border: 1px solid var(--rule);
  border-bottom-width: 2px;
  border-radius: 6px; padding: 1px 6px; font-size: 12px;
}

.page-list{
  list-style:none; padding: 0; margin: 0;
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 clamp(12px, 3vw, 32px);
  display: flex; flex-direction: column; gap: clamp(20px, 3vw, 36px);
}
.page-section{
  display:flex; align-items:center; gap: 16px;
  margin: clamp(20px, 4vw, 56px) 0 4px;
}
.page-section::before, .page-section::after{
  content:""; flex:1; height:1px; background: var(--rule);
}
.section-label{
  font-family: var(--serif);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 600;
  color: var(--ink);
  margin: 0; padding: 4px 18px;
  background: var(--paper);
  border: 1px solid var(--rule); border-radius: 999px;
  white-space: nowrap;
}
.page-item figure{
  margin: 0;
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--rule);
}
.page-item img{
  width: 100%; height: auto; display:block;
  background: var(--cream);
  cursor: zoom-in;
  aspect-ratio: 2246 / 1588; /* prevent CLS */
}
.page-item figcaption{
  padding: 14px 20px;
  font-size: 14px; color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  display: flex; align-items:center; gap: 10px;
}
.num{
  font-family: var(--mono); font-size: 12px;
  background: var(--red); color: var(--pink);
  padding: 2px 8px; border-radius: 999px; letter-spacing: .04em;
}

/* ============ Contact ============ */
.contact{ background: var(--red); color: var(--pink); padding: clamp(64px, 9vw, 112px) 0; }
.contact .kicker{ color: var(--pink); opacity:.8 }
.contact h2{ color: #fff; }
.contact-lede{ font-size: 16px; max-width: 640px; opacity:.92; margin: 0 0 40px; }
.contact-list{
  display:grid; grid-template-columns: 140px 1fr;
  row-gap: 14px; column-gap: 24px;
  margin: 0;
}
.contact-list dt{
  font-family: var(--mono); font-size: 12px; letter-spacing:.16em;
  text-transform: uppercase; color: var(--pink); opacity:.7;
  padding-top: 4px;
}
.contact-list dd{
  margin: 0; font-size: 16px; color: #fff;
  border-bottom: 1px dashed rgba(252,210,210,.4);
  padding-bottom: 14px;
}
.contact-list a{ color: #fff; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: rgba(252,210,210,.6); }
.contact-list a:hover{ text-decoration-color: #fff; }

/* ============ Footer ============ */
.site-footer{ background: var(--ink); color: #BBB; padding: 36px 0; font-size: 13px; }
.footer-grid{ display:flex; flex-wrap:wrap; gap: 16px; justify-content: space-between; align-items: baseline; }
.footer-meta{ color: #777; }

/* ============ Lightbox ============ */
.lightbox{
  border:0; padding:0; margin:0;
  width: 100vw; max-width: 100vw; max-height: 100vh; height: 100vh;
  background: rgba(20,16,14,.92);
  color: var(--pink);
  inset: 0;
}
.lightbox::backdrop{ background: rgba(20,16,14,.92); }
.lightbox[open]{ display:flex; align-items:center; justify-content:center; }
.lb-figure{
  margin: 0; width: min(96vw, 1800px); height: min(92vh, 1600px);
  display:flex; flex-direction:column; gap: 12px; align-items:center; justify-content:center;
}
.lb-img{
  max-width: 100%; max-height: calc(92vh - 60px);
  width: auto; height: auto;
  background: var(--paper);
  border-radius: 6px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.lb-caption{ font-size: 13px; color: var(--pink); opacity: .85; }
.lb-close, .lb-prev, .lb-next{
  position: fixed; top: 50%; transform: translateY(-50%);
  background: rgba(252,210,210,.12); color: var(--pink);
  border: 1px solid rgba(252,210,210,.3);
  width: 48px; height: 48px; border-radius: 50%;
  font-size: 28px; line-height: 0;
  display:flex; align-items:center; justify-content:center;
  transition: background .15s ease;
}
.lb-prev{ left: 20px; }
.lb-next{ right: 20px; }
.lb-close{ top: 20px; right: 20px; transform:none; }
.lb-prev:hover, .lb-next:hover, .lb-close:hover{ background: rgba(252,210,210,.28); }

/* ============ Reduced motion / accessibility ============ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

@media (max-width: 600px){
  .site-nav{ font-size: 13px; }
  .contact-list{ grid-template-columns: 1fr; }
  .contact-list dt{ padding-top: 8px; }
}

/* Print: keep portfolio readable */
@media print{
  .site-header, .site-nav, .hero-meta, .lightbox, .lb-close, .lb-prev, .lb-next{ display:none !important; }
  body{ background:#fff; }
  .page-item figure{ box-shadow:none; border-color:#ddd; page-break-inside: avoid; }
}