/* =========================================================================
   Kassanto trust site — institutional-fintech calm.
   Warm-tinted neutrals · Fire Orange as a sparing accent · one dark
   "regulated" anchor band. No glassmorphism, no neon, no gradients-for-impact.
   ========================================================================= */

:root {
  /* Warm-tinted neutrals (never pure black/white) — BRAND.md §16 */
  --bg:        #F7F5F1;  /* Ivory */
  --bg-warm:   #F0ECE5;  /* Warm Surface */
  --ink:       #171717;  /* Warm Black */
  --ink-soft:  #46403A;
  --muted:     #706A61;  /* Muted Taupe */
  --line:      #E5DED4;  /* Hairline */
  --line-soft: #EDE7DD;
  --white:     #FFFFFF;

  /* Brand — Deep Sapphire (regulated-finance trust). Fill = --brand; inline text/links = --brand-deep (AA on ivory). */
  --brand:        #163A70;  /* Deep Sapphire */
  --brand-deep:   #11366F;  /* Strong Sapphire — links, kickers, button hover */
  --brand-bright: #184B9B;  /* focus ring, charts, selected */
  --brand-on-dark:#5E8FD6;  /* sapphire accents on dark surfaces (visible on Warm Black) */
  --brand-wash:   #E9EEF7;  /* soft sapphire tint */

  /* Trust green, used sparingly for "secured" semantics */
  --secure:     #1E7A53;

  --radius:    16px;
  --radius-sm: 10px;

  --shadow: 0 1px 2px rgba(23, 23, 23, .04), 0 12px 32px -12px rgba(23, 23, 23, .14);
  --shadow-sm: 0 1px 2px rgba(23, 23, 23, .05), 0 6px 16px -10px rgba(23, 23, 23, .12);

  --maxw: 1120px;
  --pad: clamp(1.25rem, 5vw, 2.5rem);

  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 800; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
strong { font-weight: 600; color: var(--ink); }
a { color: var(--brand-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Accessibility ---------------------------------------------------------- */
.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--ink); color: var(--bg);
  padding: .6rem 1rem; border-radius: var(--radius-sm); z-index: 100;
  transition: top .2s ease;
}
.skip-link:focus { top: 1rem; text-decoration: none; }

:focus-visible { outline: 2px solid var(--brand-bright); outline-offset: 2px; border-radius: 4px; }

/* Layout ----------------------------------------------------------------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section__title { font-size: clamp(1.7rem, 4vw, 2.6rem); }

.kicker {
  font-family: var(--font-display); font-weight: 700;
  font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-deep); margin-bottom: .9rem;
}

.prose { color: var(--ink-soft); max-width: 54ch; margin-top: 1.1rem; }
.prose--lead { font-size: 1.12rem; }
.prose--note { color: var(--muted); font-size: .98rem; }

/* Glyphs (inline SVG) ---------------------------------------------------- */
.lock {
  display: inline-block; width: 1em; height: 1em; vertical-align: -0.15em;
  background: no-repeat center/contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236E665C' stroke-width='2' stroke-linecap='round'%3E%3Crect x='4' y='10.5' width='16' height='10.5' rx='2.2'/%3E%3Cpath d='M8 10.5V7a4 4 0 0 1 8 0v3.5'/%3E%3C/svg%3E");
}
.lock--lg { width: 1.4rem; height: 1.4rem; }
.tick {
  display: inline-block; width: 1.05em; height: 1.05em; vertical-align: -0.18em; margin-right: .15em;
  background: no-repeat center/contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E7A53' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}
.tick--solid {
  background: no-repeat center/contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='11' fill='%231E7A53'/%3E%3Cpath d='M17 8.5 10.5 15.5 7 12' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* Wordmark --------------------------------------------------------------- */
.wordmark {
  font-family: var(--font-display); font-weight: 800; font-size: 1.4rem;
  color: var(--ink); letter-spacing: -0.03em; text-decoration: none;
}
.wordmark:hover { text-decoration: none; }
.wordmark__dot { color: var(--brand); }
.wordmark--sm { font-size: 1.25rem; }
.wordmark img { height: 28px; width: auto; display: block; }
.footer-wordmark { height: 24px; width: auto; display: block; }

/* Buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: .98rem;
  padding: .8rem 1.4rem; border-radius: var(--radius-sm);
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--brand-deep); }
.btn--ghost { color: var(--ink); border: 1px solid var(--line); background: var(--white); }
.btn--ghost:hover { border-color: var(--muted); }

/* Header / nav ----------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { color: var(--ink-soft); font-weight: 500; font-size: .96rem; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav__cta {
  color: var(--ink) !important; font-weight: 600;
  padding: .5rem .95rem; border: 1px solid var(--line); border-radius: 999px;
}
.nav__cta:hover { border-color: var(--muted); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle__bar { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; }

/* Hero ------------------------------------------------------------------- */
.hero { padding-block: clamp(3rem, 8vw, 6rem); position: relative; }
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; font-size: .9rem; color: var(--muted);
  background: var(--white); border: 1px solid var(--line);
  padding: .4rem .85rem; border-radius: 999px;
}
.hero__title { font-size: clamp(2.1rem, 5.2vw, 3.5rem); margin-top: 1.3rem; max-width: 16ch; }
.hero__lede { color: var(--ink-soft); font-size: clamp(1.05rem, 2vw, 1.2rem); margin-top: 1.4rem; max-width: 50ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.assurances { display: flex; flex-wrap: wrap; gap: 1.3rem; list-style: none; padding: 0; margin: 1.8rem 0 0; }
.assurances li { display: inline-flex; align-items: center; gap: .15rem; font-size: .92rem; color: var(--ink-soft); font-weight: 500; }

/* Hero secure-card panel (illustrative) */
.secure-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.4rem; position: relative;
}
.secure-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: var(--brand); border-radius: var(--radius) var(--radius) 0 0;
}
.secure-card__top { display: flex; align-items: center; gap: .8rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line-soft); }
.secure-card__lock {
  display: grid; place-items: center; width: 42px; height: 42px; flex: none;
  background: var(--brand-wash); border-radius: 11px;
}
.secure-card__host { font-weight: 600; font-size: .95rem; color: var(--ink); }
.secure-card__label { font-size: .82rem; color: var(--muted); }
.secure-card__https { margin-left: auto; font-size: .72rem; font-weight: 600; letter-spacing: .04em; color: var(--secure); text-transform: uppercase; border: 1px solid color-mix(in srgb, var(--secure) 35%, var(--line)); padding: .25rem .5rem; border-radius: 6px; }
.secure-card__body { padding: 1.1rem 0; }
.secure-card__row { display: flex; justify-content: space-between; align-items: baseline; font-size: .98rem; padding: .3rem 0; }
.secure-card__row--muted { color: var(--muted); }
.secure-card__amt { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.secure-card__pay { display: flex; align-items: center; gap: .7rem; margin-top: .9rem; padding: .75rem .9rem; background: var(--bg-warm); border-radius: var(--radius-sm); }
.card-chip { width: 30px; height: 22px; border-radius: 5px; flex: none; background: linear-gradient(145deg, #E8C887, #C79A4E); box-shadow: inset 0 0 0 1px rgba(0,0,0,.06); }
.secure-card__pan { font-variant-numeric: tabular-nums; letter-spacing: .08em; color: var(--ink-soft); font-size: 1rem; }
.secure-card__status { display: flex; align-items: center; gap: .5rem; margin-top: 1.1rem; padding-top: 1.1rem; border-top: 1px solid var(--line-soft); font-weight: 600; font-size: .95rem; color: var(--ink); }

/* Trust band — DARK anchor ---------------------------------------------- */
.trust { background: var(--ink); color: var(--bg); padding-block: clamp(3rem, 6vw, 4.5rem); }
.trust__statement {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -.01em;
  font-size: clamp(1.25rem, 3vw, 1.85rem); line-height: 1.25; max-width: 24ch; color: var(--bg);
}
.trust__statement strong {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: var(--brand-on-dark);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.2em;
}
.marks { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; align-items: center; }
.marks--providers { margin-top: .8rem; }
.mark {
  font-family: var(--font-display); font-weight: 700; font-size: .95rem;
  color: color-mix(in srgb, var(--bg) 80%, transparent);
  border: 1px solid rgba(251, 250, 248, .2); border-radius: 999px; padding: .45rem 1rem;
}
.mark--provider { font-size: 1.05rem; color: var(--bg); border-color: rgba(251, 250, 248, .32); padding: .55rem 1.2rem; }
.marks__caption { margin-top: 1.8rem; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: color-mix(in srgb, var(--bg) 55%, transparent); }
.marks--methods { margin-top: .8rem; }
.marks--methods .mark { font-weight: 500; font-family: var(--font-sans); color: color-mix(in srgb, var(--bg) 72%, transparent); }

/* Charge section --------------------------------------------------------- */
.charge__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.statement {
  margin: 0; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.3rem 1.4rem;
}
.statement__cap { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.statement__line { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.statement__merchant { font-weight: 600; letter-spacing: .03em; color: var(--ink); }
.statement__amt { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.statement__line--sub { margin-top: .7rem; padding-top: .7rem; border-top: 1px dashed var(--line); font-size: .85rem; color: var(--muted); }
.statement__tag { background: var(--bg-warm); border-radius: 6px; padding: .2rem .55rem; font-size: .78rem; color: var(--ink-soft); white-space: nowrap; }

/* Security facts --------------------------------------------------------- */
.security { background: var(--bg-warm); }
.security__head { max-width: 60ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0; border-top: 1px solid var(--line); }
.fact { padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.fact:nth-child(odd) { padding-right: clamp(1rem, 4vw, 3rem); border-right: 1px solid var(--line); padding-left: 0; }
.fact:nth-child(even) { padding-left: clamp(1rem, 4vw, 3rem); }
.fact__term { display: flex; align-items: baseline; gap: .7rem; font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; color: var(--ink); }
.fact__no { font-size: .82rem; font-weight: 700; color: var(--brand-deep); font-variant-numeric: tabular-nums; }
.fact__desc { margin-top: .6rem; color: var(--ink-soft); font-size: .98rem; }

/* Payment partners */
.partners { background: var(--bg-warm); }
.partners__list { margin-top: clamp(1.6rem, 3vw, 2.6rem); display: grid; gap: 1rem; }
.partner { display: grid; grid-template-columns: 200px 1fr; gap: clamp(1.2rem, 4vw, 3rem); align-items: center; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: clamp(1.3rem, 3vw, 1.7rem) clamp(1.4rem, 3vw, 2rem); }
.partner__name { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.35rem, 3vw, 1.85rem); letter-spacing: -0.02em; color: var(--ink); }
.partner__brand img { max-height: 30px; width: auto; }
.partner__role { color: var(--ink-soft); max-width: 56ch; }
.partner__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .9rem; }
.chip { font-family: var(--font-sans); font-size: .8rem; font-weight: 600; color: var(--brand-deep); background: var(--brand-wash); border: 1px solid color-mix(in srgb, var(--brand) 14%, transparent); border-radius: 999px; padding: .3rem .75rem; }
.chip--reg { color: #fff; background: var(--brand); border-color: var(--brand); }
.chip--logo { background: #fff; border-color: var(--line); padding: .3rem .6rem; }
.chip--logo img { height: 22px; width: auto; display: block; }
.partner__reg { display: flex; align-items: center; gap: .5rem; margin-top: .85rem; }
.partner__reg span { font-size: .72rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.partner__reg img { height: 20px; width: auto; display: block; }
.methodrow { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.1rem; margin-top: .9rem; }
.methodrow img { height: 20px; width: auto; display: block; }
.partner__logo { height: 30px; width: auto; display: block; }

/* License badges (dark trust band) */
.licenses { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.license { background: #fff; border-radius: 10px; padding: .65rem 1.05rem; display: inline-flex; align-items: center; }
.license img { height: 28px; width: auto; display: block; }

/* Accepted-methods image section */
.methods-section { background: var(--bg); }
.methods-img { width: 100%; max-width: 760px; height: auto; display: block; margin-top: clamp(1.5rem, 3vw, 2.5rem); }
@media (max-width: 680px) { .partner { grid-template-columns: 1fr; gap: .7rem; } }

/* Contact ---------------------------------------------------------------- */
.contact__inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.contact__card { background: var(--ink); color: var(--bg); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); }
.contact__label { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: color-mix(in srgb, var(--bg) 60%, transparent); }
.contact__email { display: inline-block; margin-top: .5rem; font-family: var(--font-display); font-weight: 800; font-size: clamp(1.15rem, 2.6vw, 1.5rem); color: #fff; word-break: break-all; }
.contact__email:hover { color: var(--brand-on-dark); text-decoration: none; }
.contact__hours { margin-top: 1rem; font-size: .9rem; color: color-mix(in srgb, var(--bg) 70%, transparent); }

/* Footer ----------------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--bg); padding-block: clamp(2.5rem, 5vw, 4rem) 1.5rem; }
.site-footer__inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(251,250,248,.12); }
.site-footer .wordmark { color: var(--bg); }
.site-footer .wordmark__dot { color: var(--brand-on-dark); }
.site-footer__tag { margin-top: .7rem; color: color-mix(in srgb, var(--bg) 65%, transparent); font-size: .92rem; max-width: 38ch; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: .8rem 1.6rem; align-content: start; justify-content: flex-end; }
.site-footer__nav a { color: color-mix(in srgb, var(--bg) 75%, transparent); font-size: .92rem; }
.site-footer__nav a:hover { color: #fff; text-decoration: none; }
.site-footer__legal { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .8rem; padding-top: 1.5rem; font-size: .85rem; color: color-mix(in srgb, var(--bg) 55%, transparent); }
.site-footer__padlock { display: inline-flex; align-items: center; gap: .4rem; }
.site-footer__padlock .lock { filter: invert(1) opacity(.6); }

/* Entrance motion -------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .hero__copy > *, .secure-card { opacity: 0; transform: translateY(14px); animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
  .hero__copy > *:nth-child(1) { animation-delay: .04s; }
  .hero__copy > *:nth-child(2) { animation-delay: .10s; }
  .hero__copy > *:nth-child(3) { animation-delay: .16s; }
  .hero__copy > *:nth-child(4) { animation-delay: .22s; }
  .hero__copy > *:nth-child(5) { animation-delay: .28s; }
  .secure-card { animation-delay: .2s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}

/* Responsive ------------------------------------------------------------- */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: .5rem var(--pad) 1rem;
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height .28s ease, visibility .28s;
  }
  .nav[data-open="true"] { max-height: 380px; visibility: visible; }
  .nav a { padding: .85rem 0; border-bottom: 1px solid var(--line-soft); }
  .nav__cta { border: 0 !important; padding: .85rem 0; }

  .hero__grid, .charge__grid, .contact__inner, .site-footer__inner { grid-template-columns: 1fr; }
  .hero__title { max-width: 100%; }
  .secure-card { max-width: 420px; }
  .charge__grid .statement { order: 2; }
  .facts { grid-template-columns: 1fr; border-top: 0; }
  .fact { padding: 1.3rem 0 !important; border-right: 0 !important; }
  .fact:first-child { border-top: 1px solid var(--line); }
  .site-footer__nav { justify-content: flex-start; }
}

@media (max-width: 420px) {
  body { font-size: 16px; }
  .assurances { gap: .7rem 1.1rem; }
}