/* Theme: One — big rounded cards (24px), bold headers, generous padding, blue accent,
   soft shadows, mobile-first spacing. Original stylesheet, inspired-by only. */
:root {
  --font: "Samsung Sharp Sans", "SamsungOne", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg: #f2f4f6; --surface: #ffffff; --surface-2: #eceff2; --text: #101418; --muted: #6f7681; --border: #e6e9ed;
  --accent-text: #ffffff;
  --radius: 24px; --radius-sm: 14px; --radius-lg: 28px; --radius-btn: 999px; --radius-pill: 999px;
  --shadow: 0 4px 16px rgba(18, 28, 45, .06);
  --shadow-lg: 0 18px 48px rgba(18, 28, 45, .14);
  --header-bg: rgba(242, 244, 246, .85); --header-text: #101418;
  --sidebar-bg: #ffffff;
  --ok: #1eaa5a; --warn: #f0a22d; --err: #e5484d;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000; --surface: #17181c; --surface-2: #26272c; --text: #fafafa; --muted: #8e939c; --border: #2d2f35;
    --shadow: 0 4px 16px rgba(0, 0, 0, .4); --shadow-lg: 0 18px 48px rgba(0, 0, 0, .6);
    --header-bg: rgba(0, 0, 0, .8); --header-text: #fafafa; --sidebar-bg: #0e0f12;
    --ok: #3ddc84; --warn: #ffb74d; --err: #ff6b6b;
  }
}
:root[data-theme="dark"] {
  --bg: #000000; --surface: #17181c; --surface-2: #26272c; --text: #fafafa; --muted: #8e939c; --border: #2d2f35;
  --shadow: 0 4px 16px rgba(0, 0, 0, .4); --shadow-lg: 0 18px 48px rgba(0, 0, 0, .6);
  --header-bg: rgba(0, 0, 0, .8); --header-text: #fafafa; --sidebar-bg: #0e0f12;
  --ok: #3ddc84; --warn: #ffb74d; --err: #ff6b6b;
}

body { font-size: 15.5px; }
h1, h2, h3, h4 { font-weight: 800; letter-spacing: -.02em; }
.hero { padding: 84px 0 64px; }
.hero__title { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; letter-spacing: -.035em; }
.hero__sub { font-size: 1.2rem; }
.section { padding: 64px 0; }
.section__title { font-size: 2rem; }
.page-hero h1 { font-size: 2.6rem; }
.btn { padding: 11px 22px; border-radius: 999px; border-color: transparent; background: var(--surface-2); font-weight: 700; }
.btn--sm { padding: 7px 15px; }
.btn--lg { padding: 15px 30px; font-size: 16.5px; }
.btn--primary { background: var(--accent); color: var(--accent-text); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--danger { background: var(--err); color: #fff; }
.btn--ghost { background: transparent; }
.btn--icon { border-radius: 999px; }
.btn--primary { box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 30%, transparent); }
.input, .select, .textarea { border-radius: 14px; padding: 12px 16px; border-color: transparent; background: var(--surface-2); }
.input:focus, .select:focus, .textarea:focus { background: var(--surface); border-color: var(--accent); }
.input--sm { padding: 8px 12px; border-radius: 10px; }
.card, .step, .stat, .feature, .plan, .loc, .hero-card, .cta__inner, .msg, .faq__item, .empty { border-color: transparent; }
.card, .step { padding: 28px 30px; margin-bottom: 22px; }
.stat { padding: 20px 22px; }
.stat__value { font-size: 30px; font-weight: 800; }
.plan { padding: 30px; gap: 18px; }
.plan__amount { font-size: 2.3rem; font-weight: 800; }
.plan--featured { border-color: transparent; box-shadow: 0 0 0 2px var(--accent), var(--shadow-lg); }
.plan__badge { top: 20px; right: 20px; left: auto; }
.feature { padding: 26px; }
.feature__icon { width: 52px; height: 52px; border-radius: 18px; }
.loc { border-radius: 20px; padding: 18px 20px; }
.cycle-switch { background: var(--surface-2); border-color: transparent; padding: 5px; }
.cycle-switch__btn { padding: 8px 18px; }
.badge { padding: 3px 11px; font-weight: 700; }
.table thead th { text-transform: none; letter-spacing: 0; font-size: 13px; }
.table th, .table td { padding: 12px 12px; }
.sidebar { border-right-color: transparent; }
.sidebar__link { border-radius: 999px; padding: 10px 14px; font-weight: 600; }
.sidebar__brand { padding-top: 22px; }
.topbar { border-bottom-color: transparent; }
.wallet-pill { border-color: transparent; background: var(--surface-2); }
.choice__body { border-radius: 16px; border-color: transparent; background: var(--surface-2); padding: 14px 16px; }
.choice input:checked + .choice__body { background: var(--accent-soft); box-shadow: 0 0 0 2px var(--accent) inset; }
.pay-option { border-radius: 14px; }
.tabs__nav { border-bottom: 0; gap: 8px; }
.tabs__btn { border: 0; border-radius: 999px; padding: 8px 16px; background: var(--surface-2); margin: 0; }
.tabs__btn.is-active { background: var(--accent); color: var(--accent-text); }
.tabs__nav--pills .tabs__btn { border: 0; }
.step__no { width: 30px; height: 30px; }
.custom-panel { border-radius: 16px; }
.alert { border-radius: 14px; border-color: transparent; padding: 14px 18px; }
.cta__inner { padding: 44px 48px; }
.site-footer { background: transparent; }
.msg--customer { background: var(--accent); color: var(--accent-text); }
.msg--customer .muted { color: rgba(255,255,255,.75); }
.modal__box { border-radius: 26px; }
.empty { border-radius: var(--radius); }
.meter { height: 8px; } .progress { height: 12px; }
.theme-card__preview { border-radius: 12px; }
.section--alt { background: var(--surface-2); }
.faq__item summary { padding: 18px 4px; }
.faq__item { padding: 0 20px; }
/* One UI is mobile-first: a centred hero with the live-card underneath reads better than two columns. */
.hero__inner { grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 40px; }
.hero__sub { margin-left: auto; margin-right: auto; }
.hero__actions, .hero__points { justify-content: center; }
.hero__art { width: 100%; max-width: 680px; }
.eyebrow { background: var(--accent-soft); padding: 6px 14px; border-radius: 999px; letter-spacing: .04em; }
.nav__link { border-radius: 999px; }
@media (max-width: 900px) { .hero__art { display: block; } }