/* =========================================================
   CekDulu — Design Tokens
   Palette: navy (trust) + amber (alert) + red/green (risk states)
   Display: Space Grotesk / Body: Inter / Data: JetBrains Mono
   ========================================================= */
:root {
  --navy-950: #0F1B3D;
  --navy-800: #1E2F5C;
  --navy-700: #2B4079;
  --paper-50: #F5F6FA;
  --paper-100: #FFFFFF;
  --amber-500: #FFA630;
  --amber-600: #E8912050;
  --red-500: #E4572E;
  --red-100: #FDECE6;
  --green-500: #2FB380;
  --green-100: #E6F7F0;
  --slate-500: #5B6478;
  --slate-300: #C7CCDA;
  --slate-100: #E9EBF2;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-card: 0 8px 24px rgba(15, 27, 61, 0.08);
  --shadow-pop: 0 20px 48px rgba(15, 27, 61, 0.16);
  --container-w: 1140px;
}

/* =========== Reset =========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--navy-950);
  background: var(--paper-50);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; line-height: 1.15; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 3px solid var(--amber-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========== Global safety net untuk atribut [hidden] =========== */
/* Beberapa class di file ini set `display` sendiri (flex/grid/inline-flex),
   yang secara default MENIMPA behavior bawaan atribut hidden (karena
   spesifisitas CSS author vs UA stylesheet). Aturan !important ini
   memastikan hidden SELALU benar-benar menyembunyikan elemen apa pun
   class display-nya, jadi bug "elemen hidden tapi masih tampil" tidak
   akan terulang lagi di bagian manapun. */
[hidden] { display: none !important; }

/* =========== Aksesibilitas: Perbesar Teks =========== */
/* Toggle lewat tombol "Perbesar Teks" di nav. Pakai zoom (didukung
   Chrome/Brave/Edge — mayoritas browser yang dipakai di Indonesia)
   supaya seluruh halaman ikut membesar secara proporsional,
   bukan cuma satu-dua elemen. Ramah untuk pengguna lansia. */
body.text-large { zoom: 1.18; }

/* =========== Reveal-on-scroll =========== */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }

/* =========== Buttons =========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--navy-950);
  color: #fff;
  border: none;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-card);
}
.btn-primary:hover { background: var(--navy-800); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--navy-950);
  border: 1.5px solid var(--slate-300);
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.btn-ghost:hover { border-color: var(--navy-950); background: var(--paper-100); }

.btn-key {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--paper-100);
  border: 1.5px solid var(--slate-100);
  color: var(--navy-800);
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.btn-key:hover { border-color: var(--amber-500); }

/* =========== Nav =========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 246, 250, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--slate-100);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  color: var(--navy-950);
}
.nav__logo-mark { color: var(--amber-500); display: flex; }
.nav__links {
  display: flex;
  gap: 28px;
}
.nav__links a {
  text-decoration: none;
  color: var(--navy-800);
  font-weight: 500;
  font-size: 14.5px;
  transition: color 0.15s ease;
}
.nav__links a:hover { color: var(--amber-500); }
.nav__actions { display: flex; align-items: center; gap: 12px; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 6px;
}
.nav__burger span { width: 20px; height: 2px; background: var(--navy-950); border-radius: 2px; }

/* =========== Hero =========== */
.hero { padding: 64px 0 40px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--slate-500);
  margin-bottom: 14px;
}
.hero__title {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 700;
  color: var(--navy-950);
  letter-spacing: -0.01em;
}
.hero__title-accent {
  color: var(--amber-500);
  position: relative;
}
.hero__sub {
  margin-top: 20px;
  font-size: 17px;
  color: var(--slate-500);
  max-width: 46ch;
}
.hero__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 26px;
}
.hero__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--navy-800);
}
.hero__features li span {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-500);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.hero__ctas {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Typewriter cursor */
#typewriter::after {
  content: "";
  display: inline-block;
  width: 3px;
  height: 0.85em;
  margin-left: 2px;
  background: var(--amber-500);
  vertical-align: -0.1em;
  animation: blink-cursor 0.9s step-end infinite;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Checker card */
.checker {
  background: var(--paper-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-pop);
  border: 1px solid var(--slate-100);
}
.checker__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate-500);
}
.checker__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 4px var(--green-100);
}
.checker__note {
  font-size: 12.5px;
  color: var(--slate-500);
  margin-bottom: 12px;
}
.checker__input-wrap { position: relative; }
.checker__input {
  width: 100%;
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: var(--font-body);
  font-size: 14.5px;
  resize: vertical;
  min-height: 120px;
  background: var(--paper-50);
  color: var(--navy-950);
}
.checker__input:focus { border-color: var(--navy-700); outline: none; }
.checker__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  flex-wrap: wrap;
  gap: 10px;
}
#charCount { font-family: var(--font-mono); font-size: 12px; color: var(--slate-500); }
.checker__examples { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  background: var(--paper-50);
  border: 1px solid var(--slate-100);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--navy-800);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.chip:hover { border-color: var(--amber-500); background: #FFF6E9; }

.checker__actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.checker__submit { flex: 1; margin-top: 0; }
.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--slate-100);
  color: var(--slate-500);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.btn-secondary:hover { border-color: var(--slate-300); color: var(--navy-800); }

.checker__hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--slate-500);
  text-align: center;
}

/* Upload screenshot */
.checker__upload { margin-top: 10px; }
.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--paper-50);
  border: 1.5px dashed var(--slate-300);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.upload-btn:hover { border-color: var(--amber-500); background: #FFF6E9; }
.upload-preview {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper-50);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.upload-preview svg { color: var(--amber-500); flex-shrink: 0; }
.upload-preview__name {
  font-size: 13px;
  color: var(--navy-800);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upload-preview button {
  margin-left: auto;
  background: var(--paper-100);
  border: 1px solid var(--slate-100);
  border-radius: 50%;
  width: 28px; height: 28px;
  font-size: 13px;
  color: var(--slate-500);
  flex-shrink: 0;
}
.upload-preview button:hover { color: var(--red-500); border-color: var(--red-500); }

/* =========== Result panel =========== */
.result {
  margin-top: 28px;
  background: var(--paper-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--slate-100);
}
.result__gauge-wrap { display: flex; justify-content: center; }
.gauge { width: 100%; max-width: 220px; }
.gauge__track {
  fill: none;
  stroke: var(--slate-100);
  stroke-width: 14;
  stroke-linecap: round;
}
.gauge__fill {
  fill: none;
  stroke: var(--amber-500);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 251.2;
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 1s cubic-bezier(0.65, 0, 0.35, 1), stroke 0.4s ease;
}
.gauge__score {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 28px;
  fill: var(--navy-950);
}
.gauge__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  fill: var(--slate-500);
}
.result__headline {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.result__icon {
  font-size: 40px;
  line-height: 1;
  flex-shrink: 0;
}
.result__detail h3 {
  font-size: 22px;
}
.result__type {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--paper-50);
  color: var(--navy-800);
  border: 1px solid var(--slate-100);
}
.result__summary {
  margin-top: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-950);
  line-height: 1.4;
}
.result__reasons-label {
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.result__reasons { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; margin-bottom: 16px; }
.result__reasons li {
  padding-left: 22px;
  position: relative;
  font-size: 15px;
  color: var(--navy-800);
}
.result__reasons li::before {
  content: "•";
  position: absolute;
  left: 6px;
  color: var(--amber-500);
  font-weight: 700;
}
.result__advice { font-size: 15px; color: var(--navy-800); background: var(--paper-50); padding: 12px 16px; border-radius: var(--radius-sm); }
.result__disclaimer {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--slate-500);
  text-align: center;
}

/* Risk level color states applied via JS adding classes */
.result.risk-low .gauge__fill { stroke: var(--green-500); }
.result.risk-low h3 { color: var(--green-500); }
.result.risk-mid .gauge__fill { stroke: var(--amber-500); }
.result.risk-mid h3 { color: #B9760F; }
.result.risk-high .gauge__fill { stroke: var(--red-500); }
.result.risk-high h3 { color: var(--red-500); }

/* =========== Kenapa Ini Penting ============ */
.why { padding: 88px 0 64px; background: var(--paper-100); }
.why__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}
.why__text {
  margin-top: 16px;
  color: var(--slate-500);
  font-size: 16px;
  max-width: 58ch;
}
.why__illustration { width: 100%; max-width: 300px; margin: 0 auto; display: block; }

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  background: var(--navy-950);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  color: #fff;
}
.stat__number {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--amber-500);
  display: block;
}
.stat__desc { margin-top: 8px; font-size: 15px; color: #CBD3E8; }
.stat a { display: inline-block; margin-top: 10px; font-size: 12px; color: white; text-decoration: none; font-weight: bolder}
.stat a:hover { color: var(--amber-500); }

/* =========== Section shared =========== */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber-500);
  margin-bottom: 10px;
  font-weight: 700;
}
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  max-width: 26ch;
  margin-bottom: 40px;
}

/* =========== How it works =========== */
.how { padding: 88px 0; }
.how__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.how__step {
  background: var(--paper-100);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-md);
  padding: 28px;
}
.how__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-500);
  font-weight: 700;
}
.how__step h3 { margin-top: 10px; font-size: 19px; }
.how__step p { margin-top: 10px; color: var(--slate-500); font-size: 15.5px; }

/* =========== Signs grid =========== */
.signs { padding: 88px 0; background: var(--paper-100); }
.signs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sign-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--paper-50);
  border: 1px solid var(--slate-100);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.signs__intro {
  margin-top: -20px;
  margin-bottom: 36px;
  color: var(--slate-500);
  font-size: 15.5px;
  max-width: 60ch;
}
.sign-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.sign-card__icon { font-size: 26px; }
.sign-card h3 { margin-top: 12px; font-size: 17px; }
.sign-card__en { font-size: 12.5px; font-weight: 500; color: var(--slate-500); display: block; margin-top: 2px; }
.sign-card p { margin-top: 8px; font-size: 15px; color: var(--slate-500); }
.signs__source {
  margin-top: 28px;
  font-size: 13px;
  color: var(--slate-500);
  text-align: right;
}
.signs__source a { color: var(--navy-800); font-weight: 600; text-decoration: none; }
.signs__source a:hover { color: var(--amber-500); }

/* =========== FAQ =========== */
.faq { padding: 88px 0; }
.faq__list { max-width: 760px; }
.faq__item {
  border-bottom: 1px solid var(--slate-100);
}
.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  padding: 20px 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--navy-950);
  text-align: left;
}
.faq__chevron { color: var(--amber-500); font-size: 20px; transition: transform 0.25s ease; flex-shrink: 0; margin-left: 16px; }
.faq__item.is-open .faq__chevron { transform: rotate(45deg); }
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq__answer p { padding-bottom: 20px; font-size: 15.5px; color: var(--slate-500); max-width: 65ch; }
.faq__item.is-open .faq__answer { max-height: 240px; }
.faq__answer a { color: var(--navy-800); font-weight: 600; }

/* =========== Report CTA =========== */
.report { padding: 72px 0; background: var(--navy-950); color: #fff; }
.report__inner { text-align: center; max-width: 620px; margin: 0 auto; }
.report h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.report p { margin-top: 12px; color: #CBD3E8; }
.report__links { display: flex; justify-content: center; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.report .btn-ghost { border-color: rgba(255,255,255,0.3); color: #fff; }
.report .btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: #fff; }

/* =========== Footer =========== */
.footer { padding: 40px 0; background: var(--navy-950); border-top: 1px solid rgba(255,255,255,0.08); color: #CBD3E8; }
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer__brand { font-family: var(--font-display); font-weight: 700; color: #fff; font-size: 18px; }
.footer__desc { margin-top: 8px; font-size: 13px; max-width: 46ch; color: #96A1C2; }
.footer__sources { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.footer__sources a { color: #96A1C2; text-decoration: none; }
.footer__sources a:hover { color: var(--amber-500); }

/* =========== Modal =========== */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(15, 27, 61, 0.55); backdrop-filter: blur(2px); }
.modal__panel {
  position: relative;
  background: var(--paper-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-pop);
}
.modal__panel h3 { font-size: 20px; }
.modal__panel p { margin-top: 10px; font-size: 13.5px; color: var(--slate-500); }
.modal__close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; font-size: 16px; color: var(--slate-500);
}
#apiKeyInput {
  width: 100%;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
}
.modal__actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.modal__status { font-size: 13px; margin-top: 10px; color: var(--green-500); font-weight: 600; min-height: 16px; }

/* =========== Responsive =========== */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .why__art { order: -1; max-width: 220px; margin: 0 auto; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); padding: 28px 24px; }
  .how__steps { grid-template-columns: 1fr; }
  .signs__grid { grid-template-columns: repeat(2, 1fr); }
  .result { grid-template-columns: 1fr; text-align: center; padding: 24px; }
  .result__headline { flex-direction: column; align-items: center; text-align: center; gap: 10px; }
  .result__reasons { text-align: left; }
}

@media (max-width: 560px) {
  .result { padding: 20px; margin-top: 20px; }
  .result__icon { font-size: 34px; }
  .result__detail h3 { font-size: 19px; }
  .result__summary { font-size: 15px; }
  .gauge { max-width: 170px; }
}

@media (max-width: 680px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav.is-open .nav__links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper-100);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--slate-100);
  }
  .btn-key span { display: none; }
  .signs__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr; }
  .checker__actions { flex-direction: column; }
  .footer__inner { flex-direction: column; }
}