:root{
  --ink: #131f18;
  --ink-2: #1c2c22;
  --ink-line: rgba(243,239,226,0.14);
  --paper: #EFE8D6;
  --paper-2: #E3DAC0;
  --paper-line: #c7bfa3;
  --text-dark: #182219;
  --text-light: #f3efe2;
  --muted-dark: #5c6455;
  --muted-light: #b9c0af;
  --rust: #bd3f28;
  --rust-dark: #9c331f;
  --teal: #2f6e5c;
  --teal-light: #4c8b76;
  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --maxw: 1120px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
ul{ list-style:none; }

:focus-visible{ outline: 2px solid var(--rust); outline-offset: 3px; }

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

/* ---------- eyebrow / waypoint tag ---------- */
.waypoint{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px 6px 10px;
  border: 1px solid currentColor;
  color: var(--rust);
  background: transparent;
  position: relative;
}
.waypoint::before{
  content:"";
  width:6px; height:6px;
  background: currentColor;
  border-radius: 50%;
  flex-shrink:0;
}
.waypoint--light{ color: var(--rust); }
.waypoint--onDark{ color: #e7b19f; border-color: #e7b19f44; }

/* ---------- nav ---------- */
.nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(19,31,24,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--ink-line);
}
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:64px; }
.nav-mark{
  font-family: var(--font-display);
  font-weight: 700; font-size: 22px; letter-spacing: 0.02em;
  color: var(--text-light);
  display:flex; align-items:center; gap:10px;
}
.nav-mark span.chip{
  font-family: var(--font-mono); font-size: 10px; letter-spacing:0.08em;
  color: var(--ink); background: var(--rust);
  padding: 3px 6px;
}
.nav-links{ display:flex; gap: 28px; }
.nav-links a{
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted-light); text-decoration:none;
  padding: 4px 2px; border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav-links a:hover{ color: var(--text-light); border-color: var(--rust); }
.nav-toggle{
  display:none; background:none; border:1px solid var(--ink-line); color: var(--text-light);
  font-family: var(--font-mono); font-size: 11px; letter-spacing:.08em; text-transform:uppercase;
  padding: 8px 12px; cursor:pointer;
}

/* ---------- hero ---------- */
.hero{
  position: relative;
  background: var(--ink);
  color: var(--text-light);
  overflow: hidden;
  padding: 88px 0 96px;
}
.hero-contours{
  position:absolute; inset:0; width:100%; height:100%;
  opacity: 0.5;
  pointer-events:none;
}
.hero .wrap{
  position: relative; z-index: 2;
  display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items:center;
}
.hero-coords{
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.1em;
  color: var(--teal-light); margin-bottom: 22px; display:block;
}
.hero h1{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.94;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 em{
  font-style: normal; color: var(--rust);
}
.hero-role{
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.05em;
  color: var(--muted-light); margin-bottom: 22px; text-transform: uppercase;
}
.hero-desc{
  max-width: 46ch; color: var(--text-light); font-size: 16.5px; margin-bottom: 34px;
}
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; }
.btn{
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 22px; border: 1px solid transparent; cursor:pointer;
  text-decoration:none; display:inline-flex; align-items:center; gap:10px;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--rust); color: #fff5f0; }
.btn-primary:hover{ background: var(--rust-dark); }
.btn-outline{ border-color: var(--ink-line); color: var(--text-light); background:transparent; }
.btn-outline:hover{ border-color: var(--text-light); }

.hero-photo-block{ position:relative; }
.signage{
  background: var(--ink-2);
  border: 1px solid var(--ink-line);
  padding: 14px;
  position: relative;
}
.signage-photo{ overflow:hidden; aspect-ratio: 3/4; }
.signage-photo img{ width:100%; height:100%; object-fit: cover; }
.signage-plate{
  margin-top: 12px;
  display:flex; justify-content:space-between; align-items:center;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing:.05em;
  color: var(--muted-light); text-transform: uppercase;
}
.signage-plate strong{ color: var(--text-light); font-weight:600; }

.id-card{
  margin-top: 20px; margin-left: 24px; margin-right: -6px;
  position:relative; z-index:3;
  background: var(--paper);
  color: var(--text-dark);
  border: 1px solid var(--paper-line);
  padding: 16px 18px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}
.id-card-row{
  display:flex; justify-content:space-between; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px;
  padding: 5px 0; border-bottom: 1px dashed var(--paper-line);
}
.id-card-row:last-child{ border-bottom:none; }
.id-card-row .k{ color: var(--muted-dark); text-transform: uppercase; letter-spacing:.06em; }
.id-card-row .v{ font-weight:600; text-align:right; }

/* ---------- section shell ---------- */
section{ padding: 96px 0; }
.section-head{ margin-bottom: 44px; max-width: 640px; }
.section-head .waypoint{ margin-bottom: 18px; }
.section-head h2{
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(34px, 4.6vw, 50px);
  text-transform: uppercase; line-height: 1.02;
  color: var(--text-dark);
}
.section-head p{ margin-top: 14px; color: var(--muted-dark); font-size: 15.5px; max-width: 52ch; }

/* ---------- about ---------- */
.about{ background: var(--paper); border-bottom: 1px solid var(--paper-line); }
.about-grid{ display:grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items:start; }
.about-copy p{ font-size: 17px; color: var(--text-dark); margin-bottom: 16px; max-width: 60ch; }
.stat-list{ display:grid; gap: 0; border-top: 1px solid var(--paper-line); }
.stat{
  display:flex; justify-content: space-between; align-items: baseline;
  padding: 16px 0; border-bottom: 1px solid var(--paper-line);
}
.stat .label{ font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted-dark); }
.stat .value{ font-family: var(--font-display); font-weight:700; font-size: 22px; color: var(--text-dark); text-align:right; }

/* ---------- hobbies ---------- */
.hobbies{ background: var(--ink); color: var(--text-light); }
.hobby-block + .hobby-block{ margin-top: 64px; padding-top: 64px; border-top: 1px solid var(--ink-line); }
.hobby-top{ display:flex; justify-content: space-between; align-items:flex-end; gap: 24px; margin-bottom: 26px; flex-wrap: wrap; }
.hobby-top h3{ font-family: var(--font-display); font-weight:800; font-size: clamp(28px,3.6vw,40px); text-transform:uppercase; }
.hobby-top p{ color: var(--muted-light); max-width: 42ch; font-size: 14.5px; }

.telemetry-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.telemetry-card{ background: var(--ink-2); border: 1px solid var(--ink-line); overflow:hidden; }
.telemetry-card img{ width:100%; aspect-ratio: 16/10; object-fit: cover; }
.telemetry-meta{
  display:flex; justify-content: space-between; padding: 12px 14px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted-light); text-transform:uppercase; letter-spacing:.05em;
}
.telemetry-meta strong{ color: var(--teal-light); }

.postcard-strip{
  display:grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
}
.postcard{ position:relative; background: var(--ink-2); border:1px solid var(--ink-line); }
.postcard img{ width:100%; aspect-ratio: 3/4; object-fit: cover; }
.postcard figcaption{
  padding: 10px 12px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing:.02em;
  color: var(--muted-light); text-transform: uppercase; line-height:1.4;
}
.postcard:nth-child(3){ grid-column: span 2; }
.postcard:nth-child(3) img{ aspect-ratio: 16/10; }

/* ---------- education / trail ---------- */
.education{ background: var(--paper); }
.trail{ position:relative; padding-left: 40px; }
.trail::before{
  content:""; position:absolute; left: 9px; top: 6px; bottom: 6px; width: 2px;
  background: repeating-linear-gradient(to bottom, var(--paper-line) 0 6px, transparent 6px 12px);
}
.stop{ position: relative; padding-bottom: 44px; }
.stop:last-child{ padding-bottom: 0; }
.stop::before{
  content:""; position:absolute; left: -40px; top: 4px; width: 20px; height: 20px;
  border-radius:50%; background: var(--paper); border: 2px solid var(--muted-dark);
}
.stop.current::before{ background: var(--rust); border-color: var(--rust); box-shadow: 0 0 0 5px rgba(189,63,40,0.16); }
.stop-eyebrow{ font-family: var(--font-mono); font-size: 11.5px; letter-spacing:.08em; text-transform:uppercase; color: var(--muted-dark); margin-bottom:6px; }
.stop h4{ font-family: var(--font-display); font-weight: 700; font-size: 25px; text-transform: uppercase; color: var(--text-dark); }
.stop p{ color: var(--muted-dark); font-size: 14.5px; margin-top: 4px; max-width: 48ch; }
.stop .tag{
  display:inline-block; margin-top:10px; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing:.06em; text-transform:uppercase; color: var(--rust); border:1px solid var(--rust);
  padding: 3px 8px;
}

/* ---------- contact ---------- */
.contact{ background: var(--ink); color: var(--text-light); position:relative; overflow:hidden; }
.contact .wrap{ position:relative; z-index:2; }
.basecamp{
  display:grid; grid-template-columns: 1fr 1fr; gap: 40px;
  border: 1px solid var(--ink-line); padding: 48px;
}
.basecamp h2{ font-family: var(--font-display); font-weight:800; font-size: clamp(32px,4vw,48px); text-transform:uppercase; margin-bottom:16px; line-height:1.02; }
.basecamp > div:first-child p{ color: var(--muted-light); max-width: 40ch; margin-bottom: 26px; font-size:15px; }
.email-line{
  font-family: var(--font-mono); font-size: 18px; color: var(--teal-light);
  text-decoration:none; border-bottom: 1px solid var(--teal-light); padding-bottom: 4px;
  display:inline-block; margin-bottom: 30px; word-break: break-all;
}
.download-actions{ display:flex; flex-direction:column; gap: 12px; }

footer{ background: var(--ink); border-top: 1px solid var(--ink-line); padding: 28px 0; }
footer .wrap{ display:flex; justify-content: center; align-items:center; flex-wrap:wrap; gap:10px; }
footer p{ font-family: var(--font-mono); font-size: 11.5px; color: var(--muted-light); letter-spacing:.04em; }

/* ---------- reveal ---------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .btn{ transition:none; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .nav-links{ display:none; position:absolute; top:64px; left:0; right:0; background: var(--ink); flex-direction:column; padding: 12px 28px 20px; border-bottom:1px solid var(--ink-line); }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:inline-block; }
  .hero .wrap{ grid-template-columns: 1fr; }
  .id-card{ margin-left: 8px; }
  .about-grid{ grid-template-columns: 1fr; }
  .telemetry-grid{ grid-template-columns: 1fr; }
  .postcard-strip{ grid-template-columns: repeat(2, 1fr); }
  .postcard:nth-child(3){ grid-column: span 2; }
  .basecamp{ grid-template-columns: 1fr; padding: 30px; }
}
@media (max-width: 560px){
  section{ padding: 64px 0; }
  .wrap{ padding: 0 20px; }
  .hero{ padding: 76px 0 64px; }
}

/* ---------- contact form ---------- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  background: var(--ink-2);
  color: var(--text-light);
  border: 1px solid var(--ink-line);
  padding: 14px 16px;
  font-size: 15px;
  border-radius: 0; /* Menyesuaikan gaya kaku/brutalist website */
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted-dark);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--teal-light);
  background: var(--ink);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form button[type="submit"] {
  width: fit-content;
}

footer p {
  text-align: center;
}