/* ============================================================
   Rizky Tanjung — Web Profile
   Minimal, neutral, CV-style
   ============================================================ */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f7f7f7;
  --border:    #e5e5e5;
  --text:      #111111;
  --text-soft: #4b4b4b;
  --text-mute: #8a8a8a;
  --link:      #111111;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --shell: 780px;
  --gutter: clamp(1.25rem, 4vw, 2rem);
}

[data-theme="dark"] {
  --bg:        #0e0e0e;
  --bg-soft:   #161616;
  --border:    #262626;
  --text:      #ededed;
  --text-soft: #b5b5b5;
  --text-mute: #6b6b6b;
  --link:      #ededed;
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .25s ease, color .25s ease;
}
a { color: var(--link); text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--text); color: var(--bg); }

/* ============ LAYOUT ============ */
.shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============ MASTHEAD ============ */
.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.mark {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.86rem;
  color: var(--text-soft);
}
.nav a {
  transition: color .2s;
}
.nav a:hover,
.nav a.is-active { color: var(--text); }

.theme-toggle {
  padding: .4rem .8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-soft);
  transition: border-color .2s, color .2s;
}
.theme-toggle:hover { border-color: var(--text); color: var(--text); }

@media (max-width: 680px) {
  .nav { display: none; }
}

/* ============ SECTIONS ============ */
.section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type { border-bottom: 0; }
.section--hero {
  padding: 5rem 0 4.5rem;
}

.section__head {
  margin-bottom: 2rem;
}
.section__title {
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  margin-bottom: 1rem;
}

/* ============ HERO ============ */
.hero__name {
  font-size: clamp(2.25rem, 4vw + 1rem, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero__lede {
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 2rem;
}

.facts {
  display: grid;
  gap: 0.6rem;
  padding: 1.25rem 0;
  margin-bottom: 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.facts li {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  font-size: 0.93rem;
  color: var(--text);
}
.facts li span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  padding-top: 0.15rem;
}
@media (max-width: 520px) {
  .facts li { grid-template-columns: 1fr; gap: 0.15rem; }
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid var(--text);
  transition: background .2s, color .2s;
}
.btn--primary {
  background: var(--text);
  color: var(--bg);
}
.btn--primary:hover { background: transparent; color: var(--text); }
.btn--ghost { color: var(--text); }
.btn--ghost:hover { background: var(--text); color: var(--bg); }

/* ============ EXPERIENCE / TIMELINE ============ */
.timeline {
  display: grid;
  gap: 3rem;
}
.entry {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
}
.entry__period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-mute);
  padding-top: 0.35rem;
}
.entry__role {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.15rem;
}
.entry__role span {
  font-weight: 400;
  color: var(--text-mute);
}
.entry__company {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 0.85rem;
}
.entry__summary {
  font-size: 0.97rem;
  line-height: 1.65;
  color: var(--text-soft);
  margin-bottom: 1rem;
  max-width: 58ch;
}
.entry__points {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding-left: 1.1rem;
}
.entry__points li {
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--text-soft);
  position: relative;
}
.entry__points li::before {
  content: "•";
  position: absolute;
  left: -1.1rem;
  color: var(--text-mute);
}
.entry__points strong { color: var(--text); font-weight: 600; }
.entry__stack {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-mute);
}

@media (max-width: 680px) {
  .entry { grid-template-columns: 1fr; gap: 0.5rem; }
  .entry__period { padding-top: 0; margin-bottom: 0.35rem; }
}

/* ============ SELECTED WORK ============ */
.works {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.work {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  overflow: hidden;
  transition: border-color .2s, background .2s, transform .3s;
}
.work:hover {
  border-color: var(--text);
  background: var(--bg-soft);
}
.work:hover .work__media img,
.work:hover .work__media video {
  transform: scale(1.03);
}

.work__media {
  margin: 0;
  aspect-ratio: 16 / 10;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.work__media::after {
  /* placeholder when image fails / is missing */
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, var(--bg-soft) 0%, var(--border) 100%);
  z-index: 0;
}
.work__media img,
.work__media video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform .5s ease;
}

.work__media--placeholder {
  display: grid;
  place-items: center;
}
.work__media--placeholder span {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.work__content {
  padding: 1.35rem 1.5rem 1.1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.work__title {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.2rem;
}
.work__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin-bottom: 0.85rem;
}
.work__body {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-soft);
  margin-bottom: 0.85rem;
  flex: 1;
}
.work__stack {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
}

.work__links {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
}
.work__link {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  transition: background .2s, color .2s;
}
.work__link + .work__link {
  border-left: 1px solid var(--border);
}
.work__link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}
.work__link:hover {
  background: var(--text);
  color: var(--bg);
}
.work__link.is-disabled {
  color: var(--text-mute);
  background: var(--bg-soft);
  cursor: not-allowed;
  pointer-events: none;
}
.work__link.is-disabled svg { opacity: 0.55; }

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

/* ============ STACK ============ */
.stack {
  display: grid;
  gap: 1rem;
}
.stack > div {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border);
}
.stack > div:last-child { border-bottom: 1px solid var(--border); }
.stack dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  padding-top: 0.1rem;
}
.stack dd {
  font-size: 0.95rem;
  color: var(--text);
}

@media (max-width: 600px) {
  .stack > div { grid-template-columns: 1fr; gap: 0.2rem; }
}

/* ============ CONTACT ============ */
.contact__lede {
  font-size: 1rem;
  color: var(--text-soft);
  max-width: 58ch;
  margin-bottom: 1.75rem;
}
.contact__list {
  display: grid;
  gap: 0;
}
.contact__list li {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
  align-items: center;
  font-size: 0.95rem;
}
.contact__list li:last-child { border-bottom: 1px solid var(--border); }
.contact__list li > span:first-child {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}
.contact__list a {
  border-bottom: 1px solid var(--border);
  transition: border-color .2s;
  width: fit-content;
}
.contact__list a:hover { border-color: var(--text); }

@media (max-width: 520px) {
  .contact__list li { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* ============ COLOPHON ============ */
.colophon {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.colophon__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
}

/* ============ REVEAL ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s ease, transform .6s ease;
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-mute); }