/* ============================================================
   Bin Ariff Perfume — Verification site
   Design system: neon lime #CCFF00 on near-black
   ============================================================ */

:root {
  /* Surfaces */
  --bg-base:      #0A0A0A;
  --bg-surface:   #141414;
  --bg-elevated:  #1C1C1C;
  --bg-inset:     #050505;
  --border:       #262626;
  --border-strong:#3A3A3A;

  /* Neon */
  --neon:         #CCFF00;
  --neon-hover:   #D9FF4D;
  --neon-dark:    #A8D400;
  --neon-dim:     #9BBD00;
  --neon-glow-sm: rgba(204,255,0,0.18);
  --neon-glow-md: rgba(204,255,0,0.30);
  --neon-wash:    rgba(204,255,0,0.08);

  /* Text */
  --text:         #F5F5F5;
  --text-muted:   #8A8A8A;
  --text-faint:   #5A5A5A;
  --text-on-neon: #0A0A0A;

  /* States */
  --success:       #4CAF50;
  --success-bg:    #10220F;
  --success-border:#1E3D1C;
  --fail:          #FF3B30;
  --fail-bg:       #250A0A;
  --fail-border:   #4A1613;
  --warn:          #F5A623;
  --warn-bg:       #241A05;
  --warn-border:   #4A3510;

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-sans:    "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;

  --fs-h1: 60px;  --fs-h2: 38px;  --fs-h3: 24px;
  --fs-lead: 19px; --fs-body: 16px; --fs-small: 13px;
  --fs-label: 11px; --fs-btn: 13px; --fs-nav: 13px;
  --fs-input: 16px; --fs-serial: 20px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }

.msr {
  font-family: 'Material Symbols Rounded';
  font-weight: normal; font-style: normal;
  font-size: 20px; line-height: 1;
  letter-spacing: normal; text-transform: none;
  display: inline-block; white-space: nowrap;
  direction: ltr;
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

/* ============ HEADER ============ */
.hdr {
  position: sticky; top: 0; z-index: 100;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.hdr__brand { display: flex; align-items: center; text-decoration: none; }
.hdr__logo { height: 32px; width: 27px; object-fit: contain; display: block; }
.hdr__word {
  font-family: var(--font-display); font-size: 18px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text); margin-left: 12px;
}
.hdr__nav { display: flex; align-items: center; gap: 36px; }
.hdr__nav a {
  font-size: var(--fs-nav); font-weight: 500; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--text-muted);
  text-decoration: none; padding: 8px 0;
  transition: color 160ms var(--ease);
}
.hdr__nav a:hover { color: var(--text); }
.hdr__nav a.is-active { color: var(--neon); box-shadow: inset 0 -2px 0 var(--neon); }
.hdr__menu {
  display: none; width: 44px; height: 44px;
  background: none; border: 0; color: var(--text); cursor: pointer;
}

.menu-sheet {
  position: fixed; inset: 72px 0 0 0; z-index: 99;
  background: var(--bg-base);
  display: flex; flex-direction: column;
  padding: 24px 20px; gap: 4px;
}
.menu-sheet[hidden] { display: none; }
.menu-sheet a {
  color: var(--text); text-decoration: none;
  font-size: 18px; padding: 16px 0;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.04em;
}

/* ============ HERO ============ */
.hero {
  padding: 136px 0 120px;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 -40% 0;
  height: 60%; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(204,255,0,0.10), transparent 70%);
}
.hero .wrap { position: relative; z-index: 1; }

.hero__eyebrow {
  font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--neon); margin: 0 0 24px;
  display: inline-flex; align-items: center; gap: 8px;
}
.hero__eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon); box-shadow: 0 0 8px var(--neon-glow-md);
}
.hero__h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1); font-weight: 500; line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 820px; margin: 0 auto 24px;
}
.hero__sub {
  max-width: 520px; margin: 0 auto 48px;
  color: var(--text-muted); font-size: var(--fs-lead); font-weight: 400;
}
.hero__cta { margin-top: 56px; }
.hero__ctasub {
  margin-top: 14px; font-size: var(--fs-small); color: var(--text-faint);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 32px;
  border-radius: 4px;
  font: 600 var(--fs-btn)/1 "Inter Tight", sans-serif;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: background 160ms var(--ease), box-shadow 200ms var(--ease), border-color 160ms;
}
.btn--neon {
  background: var(--neon); color: var(--text-on-neon);
  border: 1px solid var(--neon);
}
.btn--neon:hover {
  background: var(--neon-hover); border-color: var(--neon-hover);
  box-shadow: 0 0 0 1px var(--neon), 0 0 24px var(--neon-glow-md);
}
.btn--neon:active { background: var(--neon-dark); transform: translateY(1px); }
.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover { border-color: var(--neon); color: var(--neon); box-shadow: 0 0 16px var(--neon-glow-sm); }
.btn:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; }
.btn:disabled { background: #2A2A2A; color: var(--text-faint); border-color: #2A2A2A; cursor: not-allowed; box-shadow: none; }

/* ============ SEARCH FIELD ============ */
.sf { max-width: 620px; margin: 0 auto; }

.sf__shell {
  display: flex; align-items: center;
  background: var(--bg-inset);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0 6px 0 16px;
  height: 60px;
  transition: border-color 160ms var(--ease), box-shadow 200ms var(--ease);
}
.sf__shell:focus-within {
  border-color: var(--neon);
  box-shadow: 0 0 0 3px var(--neon-glow-sm);
}
.sf__lead { color: var(--text-faint); font-size: 22px; margin-right: 12px; flex: 0 0 auto; }
.sf__input {
  flex: 1; min-width: 0; height: 100%;
  background: none; border: 0; outline: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-input);
  letter-spacing: 0.06em;
}
.sf__input::placeholder { color: var(--text-faint); letter-spacing: 0.02em; }
.sf__btn {
  flex: 0 0 auto;
  width: 136px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--neon); color: var(--text-on-neon);
  border: 0; border-radius: 6px; cursor: pointer;
  transition: background 160ms var(--ease), box-shadow 200ms var(--ease);
}
.sf__btn:hover { background: var(--neon-hover); box-shadow: 0 0 20px var(--neon-glow-md); }
.sf__btn .msr { font-size: 22px; }

.sf__scan {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 12px; width: 100%; height: 50px;
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 8px;
  font-family: var(--font-sans); font-size: 14px; cursor: pointer;
  transition: color 160ms, border-color 160ms;
}
.sf__scan:hover { color: var(--neon); border-color: var(--neon); }

.sf__cam { margin-top: 16px; }
.sf__cam video {
  width: 100%; max-width: 420px; display: block; margin: 0 auto;
  background: #000; border: 1px solid var(--border); border-radius: 8px;
}
.sf__camnote {
  font-size: var(--fs-small); color: var(--text-muted);
  margin: 12px 0; text-align: center;
}
.sf__cancel { width: 100%; max-width: 420px; margin: 0 auto; display: flex; height: 44px; }

/* ============ RESULT CARD ============ */
.rk {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  max-width: 720px; margin: 48px auto 0;
  display: grid; grid-template-columns: 48px 1fr; column-gap: 20px;
  text-align: left;
  animation: cardIn 320ms var(--ease) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.rk__badge {
  width: 48px; height: 48px; border-radius: 999px;
  display: grid; place-items: center;
}
.rk__badge .msr { font-size: 24px; }

.rk__label {
  font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase;
  margin: 0 0 4px;
}
.rk__title {
  font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500;
  line-height: 1.2; color: var(--text); margin: 0 0 4px;
}
.rk__meta { font-size: var(--fs-small); color: var(--text-muted); }
.rk__div { grid-column: 1 / -1; height: 1px; background: var(--border); margin: 20px 0; }
.rk__dl {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 140px 1fr;
  row-gap: 12px; column-gap: 20px;
  font-size: var(--fs-body); line-height: 1.5;
}
.rk__dl dt {
  font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); padding-top: 4px; font-weight: 500;
}
.rk__dl dd { color: var(--text); font-weight: 400; overflow-wrap: anywhere; }
.rk__serial {
  font-size: var(--fs-serial); letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums; color: var(--neon);
}
.rk__act { grid-column: 1 / -1; margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* states */
.rk--ok { background: var(--success-bg); border-color: var(--success-border); border-left-color: var(--success); box-shadow: inset 0 0 0 1px rgba(76,175,80,0.10); }
.rk--ok .rk__badge { background: rgba(76,175,80,0.14); }
.rk--ok .rk__badge .msr, .rk--ok .rk__label { color: var(--success); }
.rk--fail { background: var(--fail-bg); border-color: var(--fail-border); border-left-color: var(--fail); }
.rk--fail .rk__badge { background: rgba(255,59,48,0.14); }
.rk--fail .rk__badge .msr, .rk--fail .rk__label { color: var(--fail); }
.rk--warn { background: var(--warn-bg); border-color: var(--warn-border); border-left-color: var(--warn); }
.rk--warn .rk__badge { background: rgba(245,166,35,0.14); }
.rk--warn .rk__badge .msr, .rk--warn .rk__label { color: var(--warn); }
.rk--load .rk__badge { background: var(--bg-elevated); }
.rk--load .rk__badge .msr { color: var(--neon); animation: spin 900ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.skel {
  background: var(--bg-elevated); border-radius: 4px; height: 14px;
  animation: pulse 1200ms ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:.5 } 50% { opacity:.9 } }

/* ============ VALUE PROPS ============ */
.props { padding: 96px 0; border-top: 1px solid var(--border); }
.props__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.prop__ico { color: var(--neon); font-size: 28px; margin-bottom: 16px; display: block; }
.prop__h {
  font-family: var(--font-display); font-size: 20px; font-weight: 500;
  letter-spacing: -0.01em; margin-bottom: 10px;
}
.prop__p { color: var(--text-muted); font-size: 15px; line-height: 1.65; }

/* ============ MERCHANT ============ */
.merch { padding: 80px 0; border-top: 1px solid var(--border); }
.merch__inner { max-width: 640px; text-align: center; }
.merch__t {
  font-family: var(--font-display); font-size: 28px; font-weight: 500;
  letter-spacing: -0.02em; margin-bottom: 12px;
}
.merch__p { color: var(--text-muted); margin-bottom: 28px; }

/* ============ FOOTER ============ */
.ftr { background: var(--bg-surface); border-top: 1px solid var(--border); padding: 72px 0 32px; }
.ftr__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; column-gap: 64px; row-gap: 48px; }
.ftr__brand { display: flex; align-items: center; margin-bottom: 16px; }
.ftr__logo { height: 28px; width: 23px; object-fit: contain; display: block; }
.ftr__word {
  font-family: var(--font-display); font-size: 16px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; margin-left: 10px;
}
.ftr__blurb { font-size: var(--fs-small); max-width: 320px; line-height: 1.65; color: var(--text-muted); }
.ftr__head {
  font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--neon); margin: 0 0 16px; font-weight: 500;
}
.ftr__col a {
  display: block; color: var(--text-muted); text-decoration: none;
  font-size: 13px; line-height: 1.9; padding: 6px 0;
  transition: color 160ms var(--ease);
}
.ftr__col a:hover, .ftr__col a:focus { color: var(--neon); }
.ftr__col a:focus-visible { outline: 2px solid var(--neon); outline-offset: 2px; }
.ftr__bottom {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-faint);
}

/* ============ INNER PAGES ============ */
.page { padding: 96px 0 120px; }
.page__h1 {
  font-family: var(--font-display); font-size: 48px; font-weight: 500;
  line-height: 1.06; letter-spacing: -0.03em; margin-bottom: 20px;
  max-width: 760px;
}
.page__lead { max-width: 620px; color: var(--text-muted); font-size: var(--fs-lead); margin-bottom: 56px; }
.steps { display: grid; gap: 40px; max-width: 760px; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 20px; }
.step__n {
  font-family: var(--font-display); font-size: 20px; font-weight: 600;
  color: var(--neon); width: 44px; height: 44px;
  border: 1px solid var(--neon-dim); border-radius: 999px;
  display: grid; place-items: center;
}
.step__h { font-family: var(--font-display); font-size: 21px; font-weight: 500; margin-bottom: 8px; }
.step__p { color: var(--text-muted); }
.blk { max-width: 760px; margin-bottom: 48px; }
.blk__h {
  font-family: var(--font-display); font-size: 30px; font-weight: 500;
  letter-spacing: -0.02em; margin-bottom: 24px;
}
.blk__sub { font-size: 18px; font-weight: 600; color: var(--neon); margin: 26px 0 8px; }
.blk p { color: var(--text-muted); }
.faq { max-width: 760px; display: grid; gap: 8px; }
.qa { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-surface); }
.qa summary {
  cursor: pointer; padding: 20px 24px; list-style: none;
  font-weight: 500; color: var(--text);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary .msr { color: var(--neon); transition: transform 200ms var(--ease); flex: 0 0 auto; }
.qa[open] summary .msr { transform: rotate(180deg); }
.qa__a { padding: 0 24px 22px; color: var(--text-muted); font-size: 15px; }

/* ============ 404 ============ */
.err { min-height: 62vh; display: grid; place-items: center; text-align: center; padding: 80px 20px; }
.err__h { font-family: var(--font-display); font-size: 44px; font-weight: 500; letter-spacing: -0.03em; margin-bottom: 16px; }
.err__p { color: var(--text-muted); max-width: 480px; margin: 0 auto 32px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .props__grid { grid-template-columns: 1fr; gap: 40px; }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .page__h1 { font-size: 40px; }
}

@media (max-width: 768px) {
  .wrap { padding: 0 20px; }
  .hdr { height: 60px; padding: 0 20px; }
  .hdr__logo { height: 28px; width: 23px; }
  .hdr__word { font-size: 15px; }
  .hdr__nav { display: none; }
  .hdr__menu { display: inline-flex; align-items: center; justify-content: center; }
  .menu-sheet { inset: 60px 0 0 0; }

  .hero { padding: 72px 0 64px; }
  .hero__h1 { font-size: 38px; max-width: 100%; }
  .hero__sub { margin-bottom: 32px; font-size: 17px; }
  .hero__cta { margin-top: 40px; }
  .btn { width: 100%; height: 48px; }

  .rk { padding: 24px 20px; grid-template-columns: 40px 1fr; }
  .rk__badge { width: 40px; height: 40px; }
  .rk__badge .msr { font-size: 20px; }
  .rk__title { font-size: 20px; }

  .props, .merch { padding: 64px 0; }
  .ftr { padding: 56px 0 24px; }
  .ftr__grid { grid-template-columns: 1fr; row-gap: 40px; }
  .ftr__bottom { flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 48px; }

  .page { padding: 64px 0 80px; }
  .page__h1 { font-size: 34px; }
  .step { grid-template-columns: 36px 1fr; gap: 16px; }
  .step__n { width: 36px; height: 36px; font-size: 17px; }
  .blk__h { font-size: 24px; }
}

@media (max-width: 640px) {
  /* search button drops below the shell — fixes 390px overflow */
  .sf__shell { padding-right: 6px; }
  .sf__btn { display: none; }
  .sf__scan { margin-top: 10px; }
  .sf::after { content: ""; display: block; }
  .sf__submit-mobile {
    display: flex; width: 100%; height: 48px; margin-top: 10px;
    align-items: center; justify-content: center;
    background: var(--neon); color: var(--text-on-neon);
    border: 0; border-radius: 8px; cursor: pointer;
    font: 600 13px/1 "Inter Tight", sans-serif;
    letter-spacing: 0.08em; text-transform: uppercase;
  }
  .rk__dl { grid-template-columns: 1fr; row-gap: 2px; }
  .rk__dl dd { margin-bottom: 12px; }
}

/* mobile submit button — hidden by default */
.sf__submit-mobile { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}