/* Tyron — merah & hitam. Token dulu, lalu komponen. */
:root {
  --arang: #0E0708;
  --arang-2: #1A0E10;
  --oxblood: #3A0A0F;
  --merah: #D4121F;
  --merah-tua: #A80E19;
  --alarm: #FF4A4A;
  --amber: #E8A33D;
  --kapur: #EDE6E1;
  --abu: #A09390;
  --garis: rgba(237, 230, 225, 0.16);

  --disp: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;

  --nav-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--arang);
  color: var(--kapur);
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.7;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }

h1, h2, h3 {
  margin: 0;
  font-family: var(--disp);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0.005em;
}

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

.wrap { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 50;
  background: var(--kapur); color: var(--arang);
  padding: .6rem 1rem; font-family: var(--disp); font-weight: 800;
}
.skip:focus { top: 1rem; }

/* ---------- Tombol ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 3rem; padding: .65rem 1.5rem;
  font-family: var(--disp); font-weight: 800; font-size: 1.25rem; letter-spacing: .02em;
  text-decoration: none; cursor: pointer;
  border: 2px solid transparent; border-radius: 2px;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn--red { background: var(--merah); color: var(--kapur); }
.btn--red:hover { background: var(--merah-tua); }
.btn--line { border-color: var(--kapur); color: var(--kapur); }
.btn--line:hover { background: var(--kapur); color: var(--arang); }
.btn--dark { background: var(--arang); color: var(--kapur); }
.btn--dark:hover { background: var(--kapur); color: var(--arang); }
.btn--sm { min-height: 2.5rem; padding: .35rem 1.1rem; font-size: 1.1rem; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Navigasi ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: var(--arang);
  border-bottom: 1px solid var(--garis);
}
.nav__bar {
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.logo { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; }
.logo__word { font-family: var(--disp); font-weight: 900; font-size: 1.9rem; letter-spacing: .02em; line-height: 1; }
.nav__links { display: flex; align-items: center; gap: 1.75rem; }
.nav__links a:not(.btn) {
  font-family: var(--disp); font-weight: 600; font-size: 1.15rem; letter-spacing: .02em;
  text-decoration: none; color: var(--kapur);
}
.nav__links a:not(.btn):hover { color: var(--alarm); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(3rem, 8vw, 7rem) clamp(3rem, 7vw, 6rem); border-bottom: 1px solid var(--garis); overflow-x: clip; }
.hero__clock { min-width: 0; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}
.hero h1 { font-size: clamp(2.8rem, 6.2vw, 5.6rem); font-weight: 900; max-width: 16ch; }
.lede { margin-top: 1.75rem; max-width: 34rem; font-size: 1.3rem; color: var(--kapur); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

.hero__clock { text-align: right; }
.clock__digits {
  display: block;
  font-family: var(--disp); font-weight: 900;
  font-size: clamp(5rem, 11.5vw, 10.5rem); line-height: .8; letter-spacing: -.01em;
  color: var(--merah);
  font-variant-numeric: tabular-nums;
}
.clock__colon { animation: blink 1s steps(1) infinite; }
.clock__cap { display: block; margin-top: 1rem; color: var(--abu); font-size: 1.05rem; }

@keyframes blink { 50% { opacity: .15; } }

/* ---------- Bagian umum ---------- */
.section { padding-block: clamp(4rem, 9vw, 8rem); }
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 5vw, 4rem); }
.section-head h2 { font-size: clamp(2.2rem, 4.6vw, 3.9rem); }
.section-head p { margin-top: 1.25rem; color: var(--abu); max-width: 36rem; }

/* ---------- Cerita satu malam ---------- */
.story { border-bottom: 1px solid var(--garis); }
.story__grid {
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.panel {
  --lv: var(--kapur);
  position: sticky; top: calc(var(--nav-h) + 2rem);
  padding: 1.5rem 1.5rem 1.25rem 1.9rem;
  background: var(--arang-2);
  border: 1px solid var(--garis);
  transition: background-color .4s;
}
.panel::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 7px;
  background: var(--lv); transition: background-color .4s;
}
.panel[data-level="1"] { --lv: var(--amber); }
.panel[data-level="2"] { --lv: var(--alarm); background: var(--oxblood); }

.panel__top { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.panel__time {
  margin: 0; font-family: var(--disp); font-weight: 900; font-size: 3.4rem; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.panel__where { margin: 0; color: var(--abu); font-size: 1rem; line-height: 1.3; }

.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 1rem; margin: 1.5rem 0 1.25rem; }
.metric { margin: 0; }
.metric dt { color: var(--abu); font-size: .98rem; line-height: 1.3; }
.metric dd { margin: .15rem 0 0; display: flex; align-items: baseline; gap: .3rem; }
.metric__value {
  font-family: var(--disp); font-weight: 800; font-size: 3.2rem; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric__unit { font-family: var(--disp); font-weight: 600; font-size: 1.2rem; color: var(--abu); }
.metric.is-over .metric__value { color: var(--alarm); }
.metric__value.is-new { animation: tick .35s ease-out; }
@keyframes tick { from { opacity: .3; transform: translateY(.12em); } to { opacity: 1; transform: none; } }

.panel__status {
  margin: 0; padding-top: 1rem; border-top: 1px solid var(--garis);
  font-family: var(--disp); font-weight: 800; font-size: 1.45rem; line-height: 1.2;
}
.panel__note { margin: .75rem 0 0; color: var(--abu); font-size: .9rem; line-height: 1.4; }

.step { padding-block: 3rem; }
.js .step {
  min-height: 78vh;
  display: flex; flex-direction: column; justify-content: center;
  opacity: .32; transition: opacity .4s;
}
.js .step.is-active { opacity: 1; }

.step h3 { font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 900; }
.step__time { color: var(--merah); margin-right: .35em; font-variant-numeric: tabular-nums; }
.step__story { margin-top: 1.1rem; max-width: 34rem; }
.step__tyron {
  max-width: 34rem; margin: 1.25rem 0 0; padding-left: 1.1rem;
  border-left: 4px solid var(--merah); color: var(--kapur);
}

/* ---------- Alasan ---------- */
.reasons-sec { border-bottom: 1px solid var(--garis); }
.reasons { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.reason { padding: 0 2rem; border-left: 1px solid var(--garis); }
.reason:first-child { padding-left: 0; border-left: 0; }
.reason:last-child { padding-right: 0; }
.reason h3 { font-size: 2rem; margin-bottom: .75rem; }
.reason p { margin: 0; color: var(--kapur); max-width: 24rem; }

/* ---------- Yang berubah (latar kapur) ---------- */
.section--bone { background: var(--kapur); color: var(--arang); }
.change__list { margin: 0; }
.change__row {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 1rem clamp(1.5rem, 5vw, 5rem);
  padding-block: 1.75rem; border-top: 1px solid rgba(14, 7, 8, .22);
}
.change__row:last-child { border-bottom: 1px solid rgba(14, 7, 8, .22); }
.change__row dt { font-family: var(--disp); font-weight: 800; font-size: clamp(1.7rem, 3vw, 2.35rem); line-height: 1.05; color: var(--merah-tua); }
.change__row dd { margin: 0; max-width: 34rem; }

/* ---------- Cara kerja ---------- */
.flow {
  list-style: none; margin: 0; padding: 0; counter-reset: langkah;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem;
}
.flow li { counter-increment: langkah; border-top: 4px solid var(--merah); padding-top: 1rem; }
.flow li::before {
  content: counter(langkah);
  display: block; margin-bottom: .5rem;
  font-family: var(--disp); font-weight: 900; font-size: 3.4rem; line-height: 1; color: var(--merah);
}
.flow h3 { font-size: 1.7rem; line-height: 1.1; margin-bottom: .75rem; }
.flow p { margin: 0; color: var(--abu); font-size: 1.05rem; line-height: 1.6; }
.flow .is-optional { border-top-style: dashed; }

/* ---------- Kontak (latar merah) ---------- */
.section--red { background: var(--merah); color: var(--kapur); }
.section--red :focus-visible { outline-color: var(--kapur); }
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.contact h2 { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 900; }
.contact__copy p { margin-top: 1.5rem; max-width: 30rem; font-size: 1.25rem; }

.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .35rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field label { font-family: var(--disp); font-weight: 800; font-size: 1.2rem; letter-spacing: .02em; }
.field input, .field select, .field textarea {
  width: 100%; padding: .75rem .9rem;
  font: inherit; font-size: 1.0625rem; line-height: 1.4;
  color: var(--kapur); background: var(--arang);
  border: 2px solid var(--arang); border-radius: 2px;
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input::placeholder { color: var(--abu); }
.field .is-invalid { border-color: var(--kapur); }
.form .btn { justify-self: start; margin-top: .4rem; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__msg { margin: 0; }
.form__msg[data-state] { padding: .8rem 1rem; background: var(--arang); border-left: 5px solid var(--kapur); }
.form__msg[data-state="error"] { border-left-color: var(--alarm); }

/* ---------- Footer ---------- */
.footer { padding-block: 2rem; background: var(--arang); }
.footer__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: var(--abu); font-size: 1rem; }
.footer__bar p { margin: 0; }
.footer__bar a { color: var(--kapur); }

/* ---------- Responsif ---------- */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; align-items: start; }
  .hero__clock { text-align: left; }
  .clock__digits { font-size: clamp(5.5rem, 26vw, 9rem); }
  .reasons { grid-template-columns: 1fr; }
  .reason, .reason:first-child, .reason:last-child { padding: 1.5rem 0; border-left: 0; border-top: 1px solid var(--garis); }
  .reason:first-child { border-top: 0; padding-top: 0; }
  .flow { grid-template-columns: 1fr 1fr; }
  .contact { grid-template-columns: 1fr; }
  .change__row { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 1.125rem; }
  .nav__links a:not(.btn) { display: none; }

  .story__grid { grid-template-columns: 1fr; gap: 0; }
  .panel {
    top: var(--nav-h); z-index: 10;
    padding: .75rem 1rem .75rem 1.3rem;
    margin-inline: -1.25rem; width: auto;
  }
  .panel__where, .panel__note { display: none; }
  .panel__top { flex-wrap: nowrap; }
  .panel__time { font-size: 2rem; }
  .metrics { grid-template-columns: repeat(4, 1fr); gap: .5rem; margin: .5rem 0; }
  .metric dt { font-size: .72rem; }
  .metric__value { font-size: 1.7rem; }
  .metric__unit { font-size: .85rem; }
  .panel__status { font-size: 1.05rem; padding-top: .5rem; }
  .js .step { min-height: 62vh; }
  .field-row { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .flow { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}