/* ==========================================================================
   Isti Marta Sukma — personal site
   Design: single flat paper field, classic serif display, brick-red accent,
   diffusion-network motif re-tuned for a light ground
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Public+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink: #1c1712;
  --paper: #fdfcfa;
  --paper-raised: #fdfcfa;
  --text-dark: #1c1712;
  --text-dark-dim: #6b665e;
  --maroon: #8a2a1a;
  --maroon-dim: #6b2013;
  --brass: #b5551f;
  --rule: rgba(28,23,18,0.13);
  --radius: 2px;
  --max: 1080px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{
  scroll-behavior: smooth;
}

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

body{
  margin: 0;
  background: var(--paper);
  color: var(--text-dark);
  font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4{
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.005em;
  color: var(--text-dark);
}

h3{ font-size: 1.35rem; }
h4{ font-size: 1.15rem; }

h1 em, h2 em, h3 em{ font-style: italic; }

a{ color: inherit; text-decoration: none; }

.eyebrow{
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--maroon-dim);
}

.eyebrow.on-dark{ color: var(--maroon); }

img{ max-width: 100%; display: block; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------------------------------------------------------------- header */

.site-header{
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(253,252,250,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.header-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand{
  font-family: 'Lora', serif;
  font-size: 1.05rem;
  color: var(--text-dark);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand span{ font-style: italic; color: var(--maroon); }

nav.main-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  justify-content: flex-end;
}

nav.main-nav a{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark-dim);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active{
  color: var(--text-dark);
  border-bottom-color: var(--maroon);
}

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--rule);
  color: var(--text-dark);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: var(--radius);
}

@media (max-width: 860px){
  nav.main-nav{
    display: none;
    width: 100%;
    order: 3;
    padding-top: 14px;
    justify-content: flex-start;
    gap: 14px 20px;
  }
  nav.main-nav.open{ display: flex; }
  .header-inner{ flex-wrap: wrap; }
  .nav-toggle{ display: block; }
}

/* ------------------------------------------------------------------ hero */

.hero{
  position: relative;
  background: var(--paper);
  color: var(--text-dark);
  overflow: hidden;
  padding: 88px 0 76px;
  border-bottom: 1px solid var(--rule);
}

.hero .wrap{
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-net{
  position: absolute;
  inset: 0;
  opacity: 0.9;
  z-index: 1;
}

.hero h1{
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--text-dark);
  margin: 14px 0 18px;
}

.hero p.lede{
  max-width: 46ch;
  font-size: 1.08rem;
  color: var(--text-dark-dim);
}

.hero-links{
  margin-top: 28px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.hero-links a{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--maroon);
  border-bottom: 1px solid var(--maroon-dim);
  padding-bottom: 3px;
}

.hero-links a:hover{ color: var(--text-dark); border-color: var(--text-dark); }

.hero-figure{
  position: relative;
  z-index: 2;
  border: 1px solid var(--rule);
  padding: 10px;
  background: rgba(28,23,18,0.02);
}

.hero-figure img{ width: 100%; height: auto; filter: grayscale(0.15) contrast(1.03); }
.hero-figure figcaption{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-dark-dim);
  padding: 10px 4px 2px;
}

@media (max-width: 860px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .hero-figure{ order: -1; max-width: 340px; }
}

/* -------------------------------------------------------------- sections */

.page-hero{
  background: var(--paper);
  color: var(--text-dark);
  padding: 64px 0 52px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.page-hero .wrap{ position: relative; z-index: 2; }

.page-hero h1{ color: var(--text-dark); font-size: clamp(2rem, 4vw, 2.7rem); margin-top: 10px; }
.page-hero p.dek{ color: var(--text-dark-dim); max-width: 58ch; margin-top: 14px; font-size: 1.02rem; }

section{
  padding: 64px 0;
  border-bottom: 1px solid var(--rule);
}

section:last-of-type{ border-bottom: none; }

.section-head{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.section-head h2{ font-size: clamp(1.5rem, 3vw, 2rem); }

.card{
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 26px 28px;
  border-radius: var(--radius);
}

.grid{
  display: grid;
  gap: 22px;
}

.grid.cols-2{ grid-template-columns: repeat(2, 1fr); }
.grid.cols-3{ grid-template-columns: repeat(3, 1fr); }

@media (max-width: 760px){
  .grid.cols-2, .grid.cols-3{ grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------- timeline */

.entry{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--rule);
}

.entry:first-child{ border-top: none; padding-top: 0; }

.entry .year{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--maroon-dim);
  padding-top: 2px;
}

.entry h3{ font-size: 1.4rem; margin-bottom: 6px; }
.entry .tag{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--maroon-dim);
  display: inline-block;
  margin-bottom: 8px;
}
.entry p{ margin: 0 0 8px; color: var(--text-dark-dim); }
.entry a.src{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  border-bottom: 1px solid var(--maroon-dim);
  color: var(--maroon-dim);
}
.entry a.src:hover{ color: var(--text-dark); border-color: var(--text-dark); }

.entry-photos{
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.entry-photos img{
  width: 150px;
  height: 105px;
  object-fit: cover;
  border: 1px solid var(--rule);
}

@media (max-width: 620px){
  .entry{ grid-template-columns: 1fr; gap: 8px; }
}

/* ------------------------------------------------------------------ list */

ul.plain{ list-style: none; margin: 0; padding: 0; }
ul.plain li{
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  color: var(--text-dark-dim);
}
ul.plain li:first-child{ border-top: none; padding-top: 0; }
ul.plain li strong{ color: var(--text-dark); }

.pill-row{ display: flex; gap: 10px; flex-wrap: wrap; }
.pill{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--text-dark-dim);
}

/* --------------------------------------------------------------- gallery */

.gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.gallery figure{ margin: 0; }
.gallery img{
  width: 100%;
  height: 190px;
  object-fit: cover;
  border: 1px solid var(--rule);
}
.gallery figcaption{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  color: var(--text-dark-dim);
  padding-top: 6px;
}
@media (max-width: 760px){
  .gallery{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px){
  .gallery{ grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------------ cta */

.callout{
  background: var(--paper);
  color: var(--text-dark);
  padding: 22px 26px;
  border: 1px solid var(--maroon);
}
.callout p{ margin: 0; color: var(--text-dark-dim); }
.callout a{ color: var(--maroon); border-bottom: 1px solid var(--maroon-dim); }

/* --------------------------------------------------------------- footer */

footer{
  background: var(--paper);
  color: var(--text-dark-dim);
  padding: 46px 0 34px;
  border-top: 1px solid var(--rule);
}
footer .wrap{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer .foot-brand{
  font-family: 'Lora', serif;
  color: var(--text-dark);
  font-size: 1rem;
}
footer .foot-links{
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
footer .foot-links a{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dark-dim);
}
footer .foot-links a:hover{ color: var(--maroon); }
footer .foot-meta{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  color: var(--text-dark-dim);
  opacity: 0.75;
  margin-top: 22px;
}

/* --------------------------------------------------------------- contact */

.locations{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.location-card{
  border: 1px solid var(--rule);
  padding: 20px 22px;
  background: var(--paper-raised);
}
.location-card .eyebrow{ margin-bottom: 8px; }
.location-card a{ border-bottom: 1px solid var(--maroon-dim); color: var(--maroon-dim); font-size: 0.85rem; }
@media (max-width: 620px){ .locations{ grid-template-columns: 1fr; } }

.contact-form{
  display: grid;
  gap: 16px;
  max-width: 560px;
}
.contact-form .row-2{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label{
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dark-dim);
  display: block;
  margin-bottom: 6px;
}
.contact-form input,
.contact-form textarea{
  width: 100%;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  padding: 11px 12px;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--text-dark);
  border-radius: var(--radius);
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline: 2px solid var(--maroon);
  outline-offset: 1px;
}
.contact-form button{
  justify-self: start;
  background: transparent;
  color: var(--maroon);
  border: 1px solid var(--maroon);
  padding: 12px 26px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.15s ease, color 0.15s ease;
}
.contact-form button:hover{ background: var(--maroon); color: var(--paper); }
@media (max-width: 560px){ .contact-form .row-2{ grid-template-columns: 1fr; } }

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--maroon);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- lightbox */

.gallery img.openable,
.entry-photos img.openable,
.hero-figure img.openable{
  cursor: zoom-in;
  transition: opacity 0.15s ease;
}
.gallery img.openable:hover,
.entry-photos img.openable:hover,
.hero-figure img.openable:hover{
  opacity: 0.85;
}

.lightbox-overlay{
  position: fixed;
  inset: 0;
  background: rgba(28,23,18,0.94);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  cursor: zoom-out;
}
.lightbox-overlay.open{
  opacity: 1;
  pointer-events: auto;
}
.lightbox-overlay img{
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border: 1px solid rgba(253,252,250,0.15);
  cursor: default;
}
.lightbox-close{
  position: absolute;
  top: 22px;
  right: 28px;
  background: transparent;
  border: 1px solid rgba(253,252,250,0.4);
  color: var(--paper);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: var(--radius);
  cursor: pointer;
}
.lightbox-close:hover{ border-color: var(--paper); }