/* ============================================================
   KEPT — Certified pre-owned phones (Singapore)
   ============================================================ */

:root {
  --paper: #f6f4f1;
  --paper-2: #ece9e4;
  --ink: #111111;
  --muted: #5c5c5c;
  --dim: #8a8a8a;
  --line: rgba(17, 17, 17, 0.1);
  --line-strong: rgba(17, 17, 17, 0.18);
  --accent: #0a84ff;
  --accent-soft: rgba(10, 132, 255, 0.1);
  --surface: #fff;
  --warn: #c45c26;

  --font-display: "Outfit", "Segoe UI", sans-serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
  --radius: 18px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
ul { list-style: none; }
::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}
.skip:focus { left: 1rem; top: 1rem; }

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

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--ink);
  color: #fff;
}
.btn--primary:hover {
  background: #000;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}
.hero .btn--primary {
  background: #fff;
  color: var(--ink);
}
.hero .btn--primary:hover {
  background: #f2f2f2;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}
.hero .btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  backdrop-filter: blur(8px);
}
.hero .btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.22);
}
.nav .btn--ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}
.nav .btn--ghost:hover {
  border-color: var(--ink);
}
.btn--sm { min-height: 2.4rem; padding: 0.45rem 1rem; font-size: 0.875rem; }
.btn--block { width: 100%; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  transition: background 0.3s, border-color 0.3s, backdrop 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled,
.nav.is-light {
  background: rgba(246, 244, 241, 0.9);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  width: min(100% - 2rem, 1200px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.25rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}
.logo__mark {
  width: 1.2rem;
  height: 1.55rem;
  border: 2px solid var(--accent);
  border-radius: 4px;
  position: relative;
}
.logo__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
}
.logo__word {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.95rem;
}
.nav__links {
  display: none;
  gap: 1.35rem;
  margin-left: auto;
  font-size: 0.92rem;
  color: var(--muted);
}
.nav__links a:hover { color: var(--ink); }
.nav__acts {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
}
.nav__acts .btn--ghost { display: none; }
.burger {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
}
.burger span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--ink);
  margin: 3px 0;
  transition: transform 0.25s;
}
.burger[aria-expanded="true"] span:first-child { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-5px) rotate(-45deg); }

.drawer {
  display: grid;
  gap: 0.25rem;
  padding: 0.5rem 1.25rem 1.25rem;
  background: rgba(246, 244, 241, 0.98);
  border-bottom: 1px solid var(--line);
}
.drawer[hidden] { display: none !important; }
.drawer a {
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}

.back-link {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 60;
  font-size: 0.8rem;
  color: var(--muted);
  background: rgba(246, 244, 241, 0.92);
  border: 1px solid var(--line);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.back-link:hover { color: var(--accent); border-color: var(--accent); }

@media (min-width: 960px) {
  .nav__links { display: flex; }
  .nav__acts { margin-left: 0; }
  .nav__acts .btn--ghost { display: inline-flex; }
  .burger { display: none; }
}

/* Hero nav on dark video */
.nav:not(.is-scrolled) .logo__word,
.nav:not(.is-scrolled) .nav__links a,
.nav:not(.is-scrolled) .burger span {
  color: #fff;
}
.nav:not(.is-scrolled) .nav__links a { color: rgba(255, 255, 255, 0.78); }
.nav:not(.is-scrolled) .nav__links a:hover { color: #fff; }
.nav:not(.is-scrolled) .logo__mark { border-color: #7eb6ff; }
.nav:not(.is-scrolled) .logo__mark::after { background: #7eb6ff; }
.nav:not(.is-scrolled) .btn--primary {
  background: #fff;
  color: var(--ink);
}
.nav:not(.is-scrolled) .btn--ghost {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 7rem 0 5rem;
  overflow: hidden;
  color: #fff;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  filter: saturate(0.9) contrast(1.05);
}
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 10, 12, 0.78) 0%, rgba(10, 10, 12, 0.45) 48%, rgba(10, 10, 12, 0.25) 100%),
    linear-gradient(180deg, rgba(10, 10, 12, 0.35) 0%, rgba(10, 10, 12, 0.1) 40%, rgba(10, 10, 12, 0.72) 100%);
}
.hero__copy {
  position: relative;
  z-index: 1;
  max-width: 36rem;
  animation: rise 0.9s var(--ease) both;
}
.brand-lock {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  color: #9ec8ff;
  margin-bottom: 0.85rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
}
.lede {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  max-width: 32rem;
  margin-bottom: 1.75rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

/* ---------- trust ---------- */

.trust {
  background: var(--surface);
  border-block: 1px solid var(--line);
  padding: 2.25rem 0;
}
.trust__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr 1fr;
}
@media (min-width: 900px) {
  .trust__grid { grid-template-columns: repeat(4, 1fr); }
}
.trust__item {
  padding-left: 0.9rem;
  border-left: 2px solid var(--accent);
}
.trust__k {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.trust__item p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- sections ---------- */

.section { padding: clamp(4.25rem, 9vw, 6.5rem) 0; }
.section__head { max-width: 38rem; margin-bottom: 2.25rem; }
.section__head--split {
  display: grid;
  gap: 1rem;
  max-width: none;
}
@media (min-width: 860px) {
  .section__head--split {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: end;
  }
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.section__sub {
  margin-top: 0.85rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}

/* ---------- grades ---------- */

.grades { background: var(--paper); }
.grade-rail {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1.15rem;
  overflow-x: auto;
}
.grade-tab {
  flex: 0 0 auto;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  background: var(--surface);
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.grade-tab.is-active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.grade-panel {
  display: grid;
  gap: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.25rem, 3vw, 2rem);
  min-height: 14rem;
}
@media (min-width: 860px) {
  .grade-panel { grid-template-columns: 1.4fr 0.7fr; }
}
.grade-panel__main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
}
.grade-letter {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4rem, 10vw, 6rem);
  line-height: 0.9;
  color: var(--accent);
  letter-spacing: -0.04em;
}
.grade-panel h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.grade-body { color: var(--muted); margin-bottom: 1rem; }
.grade-points { display: grid; gap: 0.45rem; }
.grade-points li {
  padding-left: 0.9rem;
  position: relative;
  color: var(--ink);
  font-size: 0.98rem;
}
.grade-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
}
.grade-price {
  background: var(--paper-2);
  border-radius: var(--radius);
  padding: 1.25rem;
  align-self: stretch;
}
.grade-price__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.55rem;
}
.grade-price__val {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.45rem;
}
.grade-price__note { color: var(--muted); font-size: 0.92rem; }

/* ---------- shop ---------- */

.shop { background: var(--paper-2); }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  align-items: end;
  margin-bottom: 1.5rem;
}
.filters label { display: grid; gap: 0.35rem; min-width: 8rem; }
.filters span,
.trade-box label > span,
.visit__form label > span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}
.filters select,
.trade-box select,
.visit__form input,
.visit__form select {
  min-height: 2.75rem;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  padding: 0.55rem 0.85rem;
}
.filter-count {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.9rem;
  padding-bottom: 0.55rem;
}

.grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
  width: 100%;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(10, 132, 255, 0.35);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
}
.card__media {
  aspect-ratio: 1;
  background: #e8e6e2;
  overflow: hidden;
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.card:hover .card__media img { transform: scale(1.04); }
.card__body { padding: 1rem 1.05rem 1.15rem; }
.card__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.4rem;
}
.card__meta .grade-a { color: var(--accent); }
.card__meta .grade-b { color: #2f6b4f; }
.card__meta .grade-c { color: var(--warn); }
.card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  line-height: 1.25;
}
.card__price {
  font-weight: 700;
  font-size: 1.05rem;
}
.card__batt {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

/* ---------- trade ---------- */

.trade { background: var(--paper); }
.trade-box {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  background: var(--surface);
}
@media (min-width: 900px) {
  .trade-box { grid-template-columns: 1fr 1fr; }
}
.trade-box__controls {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 900px) {
  .trade-box__controls { border-bottom: 0; border-right: 1px solid var(--line); }
}
.trade-box label { display: grid; gap: 0.4rem; }
.trade-box__result {
  padding: clamp(1.4rem, 3vw, 2rem);
  background:
    radial-gradient(circle at 90% 10%, var(--accent-soft), transparent 42%),
    linear-gradient(160deg, #faf9f7, #f0eeea);
}
.trade-box__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.55rem;
}
.trade-box__amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: -0.035em;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.trade-box__story {
  color: var(--muted);
  margin-bottom: 1.25rem;
  max-width: 26rem;
}
.trade-box__fine {
  margin-top: 1rem;
  color: var(--dim);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* ---------- visit ---------- */

.visit { background: var(--paper-2); }
.visit__grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 900px) {
  .visit__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}
.visit__media {
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}
.visit__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.visit__facts {
  display: grid;
  gap: 0.85rem;
  margin: 1.35rem 0 1.5rem;
}
.visit__facts li {
  display: grid;
  gap: 0.15rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--accent);
}
.visit__facts strong {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 500;
}
.visit__form {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
@media (min-width: 560px) {
  .visit__form { grid-template-columns: 1fr 1fr; }
  .visit__form .full,
  .visit__form .btn,
  .visit__form .form-msg { grid-column: 1 / -1; }
}
.visit__form label { display: grid; gap: 0.35rem; }
.form-msg {
  font-size: 0.92rem;
  color: var(--accent);
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3.5rem;
  background: var(--paper);
}
.footer__inner { display: grid; gap: 0.85rem; }
.footer p { color: var(--muted); }
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--dim);
  font-size: 0.92rem;
}
.footer nav a:hover { color: var(--accent); }

/* ---------- panel ---------- */

.panel[hidden] { display: none !important; }
.panel {
  position: fixed;
  inset: 0;
  z-index: 80;
}
.panel__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 12, 0.45);
  backdrop-filter: blur(4px);
}
.panel__sheet {
  position: absolute;
  top: 0;
  right: 0;
  width: min(100%, 420px);
  height: 100%;
  background: var(--surface);
  overflow-y: auto;
  box-shadow: -20px 0 50px rgba(0, 0, 0, 0.15);
  animation: slideIn 0.35s var(--ease);
}
@keyframes slideIn {
  from { transform: translateX(24px); opacity: 0.6; }
  to { transform: none; opacity: 1; }
}
.panel__close {
  position: absolute;
  top: 0.75rem;
  right: 0.85rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(246, 244, 241, 0.9);
  font-size: 1.5rem;
  line-height: 1;
  z-index: 2;
}
.panel__img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--paper-2);
}
.panel__body { padding: 1.25rem 1.35rem 2rem; }
.panel__grade {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.panel__body h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.panel__price {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}
.panel__specs {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}
.panel__specs li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}
.panel__specs span { color: var(--dim); }
.panel__note {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.15rem;
}

body.panel-open { overflow: hidden; }

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__copy, .reveal, .panel__sheet { animation: none; transition: none; }
  .reveal { opacity: 1; transform: none; }
}