/*
  Martina Klein – minimal portfolio
  Responsive, whitespace-first, elegant typography
*/

:root{
  --bg: #ffffff;
  --fg: #121212;
  --muted: #5a5a5a;
  --line: rgba(0,0,0,.10);
  --shadow: 0 12px 40px rgba(0,0,0,.08);

  --max: 1080px;
  --pad: clamp(18px, 3vw, 36px);
  --radius: 22px;

  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Garamond, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.55;
  letter-spacing: .01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 4px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid rgba(0,0,0,.65);
  outline-offset: 3px;
  border-radius: 8px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 12px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 999;
}
.skip-link:focus{ left: 12px; }

/* Layout */
.container{
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand{
  display: grid;
  gap: 2px;
  min-width: 160px;
}
.brand .name{
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.brand .tagline{
  color: var(--muted);
  font-size: 12px;
}

.nav{
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav a[aria-current="page"]{
  color: var(--fg);
  border-color: var(--line);
  background: rgba(0,0,0,.03);
  text-decoration: none;
}

/* Main */
main{ padding: clamp(28px, 5vw, 60px) 0; }

.hero{
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.hero-media{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #f6f6f6;
}
.hero-media img{
  width: 100%;
  height: min(62vh, 640px);
  object-fit: cover;
  display:block;
}

.hero-copy{
  display: grid;
  gap: 12px;
  max-width: 58ch;
}
.kicker{
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.h1{
  font-family: var(--serif);
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.02;
  letter-spacing: .01em;
  margin: 0;
}
.lede{
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--muted);
  margin: 0;
}

.actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13px;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--fg);
}
.btn:hover{
  text-decoration:none;
  background: rgba(0,0,0,.03);
}
.btn.primary{
  background: var(--fg);
  color: #fff;
  border-color: rgba(0,0,0,.65);
}
.btn.primary:hover{ background: #000; }

/* Sections */
.section{
  margin-top: clamp(44px, 6vw, 76px);
  padding-top: clamp(22px, 4vw, 34px);
  border-top: 1px solid var(--line);
}
.section-title{
  font-family: var(--serif);
  font-size: clamp(22px, 2.3vw, 28px);
  margin: 0 0 10px 0;
}
.section-note{
  margin: 0 0 20px 0;
  color: var(--muted);
  max-width: 70ch;
}

/* Cards + grids */
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.card{
  grid-column: span 12;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: #fff;
}
.card h3{
  margin: 0 0 6px 0;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.card p{ margin: 0; color: var(--fg); }

/* Work tiles */
.tiles{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.tile{
  grid-column: span 12;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: transform .12s ease, box-shadow .12s ease;
}
.tile:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.tile .ph{
  height: 220px;
  background:
    linear-gradient(120deg, rgba(0,0,0,.06), rgba(0,0,0,0)),
    radial-gradient(1000px 320px at 30% 0%, rgba(0,0,0,.08), transparent 60%);
}
.tile .meta{
  padding: 14px 16px 16px 16px;
}
.tile .title{
  margin: 0 0 4px 0;
  font-family: var(--serif);
  font-size: 18px;
}
.tile .sub{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Lists */
.list{
  display:grid;
  gap: 10px;
}
.item{
  display:grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.item .top{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
}
.item .what{
  font-family: var(--serif);
  font-size: 18px;
}
.item .when{
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.item .where{
  color: var(--muted);
  margin: 0;
}

/* Contact */
.form{
  display:grid;
  gap: 12px;
  max-width: 680px;
}
.field{
  display:grid;
  gap: 6px;
}
label{
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
input, textarea{
  font: inherit;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}
textarea{ min-height: 140px; resize: vertical; }

/* Footer */
.site-footer{
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-inner{
  display:flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-inner small{ font-size: 12px; letter-spacing: .02em; }

/* Responsive */
@media (min-width: 760px){
  .hero{
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 22px;
  }
  .hero-copy{ padding-bottom: 10px; }
  .card{ grid-column: span 6; }
  .tile{ grid-column: span 6; }
}
@media (min-width: 1040px){
  .card{ grid-column: span 4; }
  .tile{ grid-column: span 4; }
}