/* ==========================================================================
   Lumen — Apple-inspired design system
   Prinsip: tipografi besar, ruang kosong lega, palet netral,
   aksen biru hanya untuk aksi. Animasi halus, tidak norak.
   ========================================================================== */

:root {
  /* Warna */
  --ink:        #1d1d1f;
  --ink-soft:   #6e6e73;
  --ink-faint:  #86868b;
  --paper:      #ffffff;
  --surface:    #f5f5f7;
  --surface-2:  #e8e8ed;
  --line:       #d2d2d7;
  --blue:       #0071e3;
  --blue-hover: #0077ed;
  --green:      #1d8a4e;
  --amber:      #a8620a;
  --red:        #c8102e;

  /* Tipografi */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Ritme */
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --measure: 1180px;
  --radius: 18px;
  --radius-lg: 28px;

  --ease: cubic-bezier(0.28, 0.11, 0.32, 1);
}

/* ---------- Reset ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.05;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: #fff;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; text-decoration: none; }

/* ---------- Navigasi ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 253, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.nav.is-stuck { border-bottom-color: rgba(0, 0, 0, 0.08); }

.nav__inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__mark {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.nav__mark:hover { text-decoration: none; opacity: 0.75; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__links a {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--ink);
  opacity: 0.85;
  transition: opacity 0.2s var(--ease);
}
.nav__links a:hover { opacity: 1; text-decoration: none; }

.nav__cta {
  padding: 0.3rem 0.85rem;
  border-radius: 980px;
  background: var(--blue);
  color: #fff !important;
  opacity: 1 !important;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav__cta:hover { background: var(--blue-hover); transform: scale(1.04); text-decoration: none; }

/* ---------- Layout ---------- */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(4.5rem, 11vw, 9rem); }
.section--surface { background: var(--surface); }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.9rem;
}

.lede {
  font-size: clamp(1.0625rem, 1.9vw, 1.3125rem);
  line-height: 1.42;
  color: var(--ink-soft);
  letter-spacing: -0.012em;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(5rem, 14vw, 11rem) clamp(4rem, 10vw, 7rem);
  text-align: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, #f0f0f5 0%, transparent 70%),
    var(--paper);
}

.hero__title {
  font-size: clamp(2.75rem, 9vw, 6.5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #1d1d1f 55%, #55555c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__title em {
  font-style: normal;
  background: linear-gradient(180deg, #0071e3 30%, #4aa8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  max-width: 40ch;
  margin: 0 auto 2.25rem;
  font-size: clamp(1.0625rem, 2.1vw, 1.4375rem);
  line-height: 1.4;
  color: var(--ink-soft);
  letter-spacing: -0.014em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* ---------- Tombol ---------- */

.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: 980px;
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.22s var(--ease), transform 0.22s var(--ease),
              border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.btn:hover { text-decoration: none; transform: scale(1.03); }
.btn:active { transform: scale(0.98); }

.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-hover); }

.btn--ghost {
  background: transparent;
  color: var(--blue);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--blue); background: rgba(0, 113, 227, 0.04); }

.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #333338; }

/* ---------- Strip statistik ---------- */

.pulse {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  background: var(--ink);
  color: #f5f5f7;
}

.pulse__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  text-align: center;
}

.pulse__item { position: relative; }

.pulse__num {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.pulse__label {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: #a1a1a6;
  letter-spacing: -0.005em;
}

/* ---------- Artikel: bento asimetris ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2.2vw, 1.5rem);
}

.card {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: inherit;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card:hover {
  text-decoration: none;
  transform: translateY(-4px);
  box-shadow: 0 18px 44px -22px rgba(0, 0, 0, 0.35);
}

.card--wide { grid-column: span 12; }
.card--accent { background: var(--ink); color: #f5f5f7; }
.card--accent .card__meta,
.card--accent .card__excerpt { color: #a1a1a6; }

.card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  margin-bottom: 0.9rem;
}

.card__title {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  letter-spacing: -0.028em;
  margin-bottom: 0.75rem;
}
.card--wide .card__title { font-size: clamp(1.875rem, 4.2vw, 3rem); }

.card__excerpt {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  max-width: 52ch;
}

.card__more {
  margin-top: auto;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--blue);
}
.card--accent .card__more { color: #4aa8ff; }

.card__tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 980px;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  background: rgba(0, 113, 227, 0.1);
  color: var(--blue);
}
.card--accent .card__tag { background: rgba(74, 168, 255, 0.18); color: #7cc0ff; }

/* ---------- Artikel detail ---------- */

.article { padding-block: clamp(3rem, 7vw, 5rem) clamp(4rem, 9vw, 7rem); }

.article__header {
  max-width: 46rem;
  margin: 0 auto clamp(2.5rem, 6vw, 4rem);
  text-align: center;
}

.article__title {
  font-size: clamp(2.125rem, 6vw, 4rem);
  letter-spacing: -0.032em;
  margin-bottom: 1.25rem;
}

.article__meta {
  font-size: 0.875rem;
  color: var(--ink-faint);
}

.article__body {
  max-width: 41rem;
  margin: 0 auto;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  line-height: 1.68;
  color: #333338;
}

.article__body h2 {
  font-size: clamp(1.375rem, 2.6vw, 1.75rem);
  letter-spacing: -0.022em;
  margin: 2.75rem 0 1rem;
}

.article__body h3 {
  font-size: 1.1875rem;
  margin: 2rem 0 0.75rem;
}

.article__body ul,
.article__body ol {
  margin: 0 0 1.5em;
  padding-left: 1.4em;
}
.article__body li { margin-bottom: 0.6em; }

.article__body blockquote {
  margin: 2.25rem 0;
  padding: 0.25rem 0 0.25rem 1.5rem;
  border-left: 3px solid var(--blue);
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--ink);
  font-style: italic;
}

.article__body code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 0.15em 0.4em;
  border-radius: 5px;
}

.article__body figure { margin: 2.5rem 0; }
.article__body figcaption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--ink-faint);
  text-align: center;
}

.article__nav {
  max-width: 41rem;
  margin: clamp(3rem, 7vw, 4.5rem) auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.9375rem;
}

/* ---------- Halaman visitor ---------- */

.gate {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, #1f1f24 0%, var(--ink) 60%);
  color: #f5f5f7;
}

.gate__card {
  width: 100%;
  max-width: 26rem;
  padding: clamp(2rem, 5vw, 2.75rem);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
}

.gate__title {
  font-size: 1.625rem;
  letter-spacing: -0.026em;
  margin-bottom: 0.5rem;
}

.gate__sub {
  font-size: 0.9375rem;
  color: #a1a1a6;
  margin-bottom: 1.75rem;
}

.gate__field { display: flex; gap: 0.5rem; }

.gate__field input {
  flex: 1;
  min-width: 0;
  padding: 0.7rem 1rem;
  border-radius: 980px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-family: inherit;
  font-size: 0.9375rem;
}
.gate__field input::placeholder { color: #86868b; }
.gate__field input:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(255, 255, 255, 0.12);
}

.gate__error {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #ff6b6b;
}

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.panel__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
}

.panel__sub { color: var(--ink-soft); margin-top: 0.5rem; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.875rem;
}

.filters a {
  padding: 0.35rem 0.9rem;
  border-radius: 980px;
  border: 1px solid var(--line);
  color: var(--ink);
  transition: all 0.2s var(--ease);
}
.filters a:hover { border-color: var(--ink); text-decoration: none; }
.filters a[aria-current="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  text-align: left;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--surface-2);
  vertical-align: top;
  white-space: nowrap;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface); }

td.mono, .mono {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.pill {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 980px;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  background: var(--surface-2);
  color: var(--ink-soft);
}
.pill--desktop { background: rgba(0, 113, 227, 0.1); color: var(--blue); }
.pill--mobile  { background: rgba(168, 98, 10, 0.1); color: var(--amber); }
.pill--tablet  { background: rgba(29, 138, 78, 0.1); color: var(--green); }
.pill--bot     { background: rgba(200, 16, 46, 0.1); color: var(--red); }

.empty {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--ink-faint);
}

.pager {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}
.pager a { padding: 0.4rem 0.9rem; border-radius: 980px; border: 1px solid var(--line); color: var(--ink); }
.pager a:hover { border-color: var(--ink); text-decoration: none; }
.pager span[aria-disabled="true"] { opacity: 0.35; }

.breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.bar {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
}

.bar__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.4rem;
}

/* Untuk label yang isinya data (path halaman, nama browser), bukan
   kategori — uppercase akan bikin "/article.php" jadi "/ARTICLE.PHP". */
.bar__label--plain {
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-soft);
  word-break: break-all;
}

.bar__value {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.bar__track {
  margin-top: 0.85rem;
  height: 4px;
  border-radius: 2px;
  background: var(--surface-2);
  overflow: hidden;
}
.bar__fill {
  height: 100%;
  border-radius: 2px;
  background: var(--blue);
  transition: width 0.9s var(--ease);
}

/* ---------- Footer ---------- */

.foot {
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.foot__inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding-inline: var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.foot__copy { font-size: 0.875rem; color: var(--ink-soft); margin: 0; }

.foot__links { display: flex; gap: 1.5rem; font-size: 0.875rem; list-style: none; margin: 0; padding: 0; }

.foot__legal {
  max-width: var(--measure);
  margin: 1.25rem auto 0;
  padding-inline: var(--gutter);
  font-size: 0.75rem;
  color: var(--ink-faint);
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsif ---------- */

@media (max-width: 834px) {
  .card,
  .card--wide { grid-column: span 12; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav__inner { height: 3rem; }
  .nav__links { gap: 1rem; }
  .hero { padding-block: 3.5rem 3rem; }
  .panel__head { align-items: flex-start; }
}

/* ---------- Mode gelap ---------- */

@media (prefers-color-scheme: dark) {
  :root {
    --ink:       #f5f5f7;
    --ink-soft:  #a1a1a6;
    --ink-faint: #86868b;
    --paper:     #000000;
    --surface:   #1d1d1f;
    --surface-2: #2c2c2e;
    --line:      #38383a;
  }

  .nav { background: rgba(22, 22, 24, 0.72); }
  .nav.is-stuck { border-bottom-color: rgba(255, 255, 255, 0.1); }

  .hero { background: radial-gradient(ellipse 80% 60% at 50% -10%, #1c1c1e 0%, transparent 70%), var(--paper); }
  .hero__title { background: linear-gradient(180deg, #f5f5f7 55%, #86868b 100%); -webkit-background-clip: text; background-clip: text; }

  .article__body { color: #d1d1d6; }
  .card--accent { background: #f5f5f7; color: #1d1d1f; }
  .card--accent .card__meta,
  .card--accent .card__excerpt { color: #6e6e73; }
  .card--accent .card__more { color: var(--blue); }

  .pulse { background: #1d1d1f; }
  .table-scroll { background: var(--surface); }
  .foot { background: #000; }

  ::selection { background: rgba(0, 113, 227, 0.4); }
}