/* ======================================================================
   RuangKitha Public Landing V1
   Version: v2.0.0a53p1 — Landing Experience V2 Card Contrast + Mobile Footer Polish
   Production snapshot promoted from the accepted Landing Page Preview V1.
   ====================================================================== */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--rk-background);
  color: var(--rk-text);
  font-family: var(--rk-font-family);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body, button, a { font-family: inherit; }
a { color: inherit; }
button { font: inherit; }
img { max-width: 100%; display: block; }

:root {
  --landing-shell: 1180px;
  --landing-pad: clamp(18px, 4vw, 34px);
  --landing-hero-title: clamp(42px, 7.4vw, 84px);
  --landing-h2: clamp(31px, 4.3vw, 52px);
}

.rk-visually-hidden {
  position: absolute!important;
  width: 1px!important;
  height: 1px!important;
  padding: 0!important;
  margin: -1px!important;
  overflow: hidden!important;
  clip: rect(0,0,0,0)!important;
  white-space: nowrap!important;
  border: 0!important;
}

.rk-skip-link {
  position: fixed;
  z-index: 999;
  left: 16px;
  top: 12px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--rk-text);
  color: var(--rk-background);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform .18s ease;
}
.rk-skip-link:focus { transform: translateY(0); }

.rk-shell {
  width: min(100% - (var(--landing-pad) * 2), var(--landing-shell));
  margin-inline: auto;
}

.rk-site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--rk-background) 78%, transparent);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.rk-site-header.is-scrolled {
  border-bottom-color: var(--rk-border);
  background: color-mix(in srgb, var(--rk-background) 92%, transparent);
  box-shadow: 0 8px 28px rgba(43, 52, 47, .05);
}
html[data-theme="dark"] .rk-site-header.is-scrolled { box-shadow: 0 8px 28px rgba(0,0,0,.22); }

.rk-nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.rk-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  text-decoration: none;
}
.rk-brand img { width: 38px; height: 38px; object-fit: contain; }
.rk-brand-word, .rk-mini-wordmark {
  letter-spacing: -.05em;
  font-size: 21px;
  font-weight: 600;
}
.rk-brand-word span, .rk-mini-wordmark span { color: var(--rk-primary); }
.rk-brand-word strong, .rk-mini-wordmark strong { color: var(--rk-accent); font-weight: 700; }

.rk-desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.rk-desktop-nav a, .rk-text-link {
  color: var(--rk-text-secondary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: color .16s ease;
}
.rk-desktop-nav a:hover, .rk-text-link:hover { color: var(--rk-text); }
.rk-nav-actions { display: flex; align-items: center; gap: 14px; }

.rk-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--rk-primary);
  color: var(--rk-on-primary);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 10px 30px color-mix(in srgb, var(--rk-primary) 18%, transparent);
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease;
}
.rk-button:hover { transform: translateY(-1px); background: var(--rk-primary-hover); }
.rk-button:active { transform: translateY(0) scale(.985); }
.rk-button:focus-visible, a:focus-visible, button:focus-visible {
  outline: none;
  box-shadow: var(--rk-focus-ring);
}
.rk-button-small { min-height: 42px; padding-inline: 18px; font-size: 13px; }
.rk-button-large { min-height: 54px; padding-inline: 26px; }
.rk-button-secondary {
  border-color: var(--rk-border-strong);
  background: color-mix(in srgb, var(--rk-surface) 72%, transparent);
  color: var(--rk-text);
  box-shadow: none;
}
.rk-button-secondary:hover { background: var(--rk-surface); }
.rk-button-light { background: #FFFDF8; color: #2C352F; box-shadow: 0 16px 40px rgba(28,42,33,.15); }
.rk-button-light:hover { background: #FFFFFF; }

.rk-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--rk-border);
  border-radius: 14px;
  background: var(--rk-surface);
  color: var(--rk-text);
}
.rk-menu-button > span:not(.rk-visually-hidden) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  border-radius: 999px;
  background: currentColor;
  transition: transform .18s ease, opacity .18s ease;
}
.rk-menu-button[aria-expanded="true"] > span:nth-child(2) { transform: translateY(6px) rotate(45deg); }
.rk-menu-button[aria-expanded="true"] > span:nth-child(3) { opacity: 0; }
.rk-menu-button[aria-expanded="true"] > span:nth-child(4) { transform: translateY(-6px) rotate(-45deg); }
.rk-mobile-menu { border-top: 1px solid var(--rk-border); background: var(--rk-background); }
.rk-mobile-menu-inner { display: grid; padding-block: 10px 18px; }
.rk-mobile-menu a { padding: 13px 4px; border-bottom: 1px solid var(--rk-border); color: var(--rk-text-secondary); font-size: 14px; font-weight: 600; text-decoration: none; }
.rk-mobile-menu a:last-child { border-bottom: 0; }

.rk-hero {
  position: relative;
  min-height: min(860px, calc(100svh - 76px));
  overflow: clip;
  display: flex;
  align-items: center;
  padding: clamp(62px, 8vw, 112px) 0 clamp(72px, 8vw, 110px);
  isolation: isolate;
}
.rk-hero::before {
  position: absolute;
  z-index: -3;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 12% 15%, color-mix(in srgb, var(--rk-primary) 12%, transparent), transparent 30%),
    radial-gradient(circle at 86% 28%, color-mix(in srgb, var(--rk-accent) 12%, transparent), transparent 27%),
    linear-gradient(180deg, color-mix(in srgb, var(--rk-background) 92%, var(--rk-surface)) 0%, var(--rk-background) 100%);
}
.rk-hero-orb { position: absolute; z-index: -2; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.rk-hero-orb-a { width: 420px; height: 420px; right: -210px; top: 90px; background: color-mix(in srgb, var(--rk-secondary) 11%, transparent); }
.rk-hero-orb-b { width: 320px; height: 320px; left: -160px; bottom: 0; background: color-mix(in srgb, var(--rk-accent) 8%, transparent); }

.rk-hero-grid { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(360px, .94fr); align-items: center; gap: clamp(46px, 7vw, 94px); }
.rk-hero-copy { max-width: 690px; }
.rk-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--rk-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.rk-eyebrow::before { width: 20px; height: 1px; background: currentColor; content: ""; }
.rk-hero h1 {
  max-width: 760px;
  margin: 18px 0 22px;
  color: var(--rk-text);
  font-size: var(--landing-hero-title);
  font-weight: 700;
  letter-spacing: -.064em;
  line-height: .98;
}
.rk-hero-lead {
  max-width: 650px;
  margin: 0;
  color: var(--rk-text-secondary);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.72;
}
.rk-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.rk-trust-row { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 30px; color: var(--rk-text-soft); font-size: 11.5px; font-weight: 600; }
.rk-trust-row span { display: inline-flex; align-items: center; gap: 7px; }
.rk-trust-row i { width: 6px; height: 6px; border-radius: 50%; background: var(--rk-primary); box-shadow: 0 0 0 4px var(--rk-primary-soft); }

.rk-hero-visual { min-width: 0; }
.rk-phone-stage { position: relative; width: min(100%, 480px); margin-inline: auto; padding: 28px 22px 38px; }
.rk-phone-stage::before {
  position: absolute;
  z-index: -1;
  inset: 5% 0 0;
  border-radius: 42% 58% 48% 52% / 50% 42% 58% 50%;
  background: linear-gradient(145deg, color-mix(in srgb, var(--rk-primary) 18%, transparent), color-mix(in srgb, var(--rk-accent) 13%, transparent));
  content: "";
  transform: rotate(-4deg);
}
.rk-phone-card {
  --rk-base-rotate: 2deg;
  --rk-parallax-x: 0px;
  --rk-parallax-y: 0px;
  width: min(100%, 382px);
  margin-inline: auto;
  padding: 22px 18px 20px;
  border: 1px solid var(--rk-border);
  border-radius: 34px;
  background: color-mix(in srgb, var(--rk-surface-raised) 96%, transparent);
  box-shadow: 0 34px 90px rgba(51, 66, 57, .16), inset 0 1px 0 rgba(255,255,255,.35);
  transform: translate3d(var(--rk-parallax-x), var(--rk-parallax-y), 0) rotate(var(--rk-base-rotate));
  transition: transform .22s cubic-bezier(.22,1,.36,1), box-shadow .22s ease;
  will-change: transform;
}
html[data-theme="dark"] .rk-phone-card { box-shadow: 0 34px 90px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.04); }
.rk-phone-top { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 20px; }
.rk-mini-wordmark { font-size: 17px; }
.rk-phone-top p { max-width: 210px; margin: 8px 0 0; color: var(--rk-text-soft); font-size: 10px; line-height: 1.5; }
.rk-avatar { width: 34px; height: 34px; flex: 0 0 34px; border-radius: 50%; background: linear-gradient(135deg, var(--rk-secondary-soft), var(--rk-accent-soft)); border: 1px solid var(--rk-border); }
.rk-agenda-card { padding: 16px; border-radius: 20px; background: var(--rk-primary-soft); border: 1px solid color-mix(in srgb, var(--rk-primary) 14%, transparent); }
.rk-card-label { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.rk-card-label strong { font-size: 12px; }
.rk-card-label span { color: var(--rk-text-soft); font-size: 9px; }
.rk-agenda-line { display: flex; align-items: center; gap: 10px; padding: 8px 0; }
.rk-agenda-line + .rk-agenda-line { border-top: 1px solid color-mix(in srgb, var(--rk-border) 70%, transparent); }
.rk-agenda-line i { width: 8px; height: 8px; border-radius: 50%; background: var(--rk-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--rk-accent) 18%, transparent); }
.rk-agenda-line div { display: grid; gap: 2px; }
.rk-agenda-line strong { font-size: 10px; }
.rk-agenda-line span { color: var(--rk-text-soft); font-size: 8.5px; }
.rk-agenda-line-soft i { background: var(--rk-secondary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--rk-secondary) 18%, transparent); }
.rk-module-title-row { display: flex; align-items: center; justify-content: space-between; margin: 18px 2px 10px; }
.rk-module-title-row strong { font-size: 11px; }
.rk-module-title-row span { color: var(--rk-text-soft); font-size: 8.5px; }
.rk-module-card { display: grid; grid-template-columns: 34px minmax(0,1fr) auto; align-items: center; gap: 10px; padding: 11px 12px; margin-top: 8px; border: 1px solid var(--rk-border); border-radius: 16px; background: var(--rk-surface); }
.rk-module-card > div:nth-child(2) { display: grid; gap: 2px; }
.rk-module-card strong { font-size: 9.5px; }
.rk-module-card span { color: var(--rk-text-soft); font-size: 7.8px; }
.rk-module-card b { color: var(--rk-text-soft); font-size: 17px; font-weight: 400; }
.rk-module-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: var(--rk-primary-soft); color: var(--rk-primary); font-size: 9px; font-weight: 700; }
.rk-note-icon { background: var(--rk-warning-soft); color: var(--rk-warning); }
.rk-doc-icon { background: var(--rk-info-soft); color: var(--rk-info); }
.rk-floating-note { --rk-parallax-x: 0px; --rk-parallax-y: 0px; --rk-hover-y: 0px; --rk-base-rotate: 0deg; position: absolute; display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 8px; padding: 11px 14px; border: 1px solid var(--rk-border); border-radius: 18px; background: color-mix(in srgb, var(--rk-surface-raised) 94%, transparent); box-shadow: var(--rk-shadow-md); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.rk-floating-note > span { grid-row: 1 / span 2; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 10px; background: var(--rk-secondary-soft); color: var(--rk-secondary); font-size: 13px; font-weight: 700; }
.rk-floating-note strong { font-size: 9px; }
.rk-floating-note small { color: var(--rk-text-soft); font-size: 7.5px; }
.rk-floating-note-a { left: -6px; bottom: 72px; --rk-base-rotate: -3deg; }
.rk-floating-note-b { right: -14px; top: 74px; grid-template-columns: auto 1fr; --rk-base-rotate: 3deg; }
.rk-floating-note-b > span { grid-row: auto; background: var(--rk-accent-soft); color: var(--rk-accent); }

.rk-section { padding: clamp(80px, 10vw, 132px) 0; }
.rk-section-intro { padding-top: clamp(70px, 8vw, 100px); }
.rk-centered-copy { max-width: 810px; margin-inline: auto; text-align: center; }
.rk-centered-copy .rk-eyebrow { justify-content: center; }
.rk-centered-copy h2, .rk-section-heading h2, .rk-security-copy h2, .rk-final-card h2 {
  margin: 16px 0 18px;
  color: var(--rk-text);
  font-size: var(--landing-h2);
  font-weight: 700;
  letter-spacing: -.052em;
  line-height: 1.06;
}
.rk-centered-copy p, .rk-section-heading > p, .rk-security-copy > p {
  color: var(--rk-text-secondary);
  font-size: 16px;
  line-height: 1.75;
}
.rk-section-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 70px; align-items: end; margin-bottom: 40px; }
.rk-section-heading h2 { max-width: 700px; margin-bottom: 0; }
.rk-section-heading > p { margin: 0 0 5px; }

.rk-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.rk-feature-card { position: relative; display: flex; flex-direction: column; min-height: 260px; padding: 26px; overflow: hidden; border: 1px solid var(--rk-border); border-radius: 28px; background: var(--rk-surface); box-shadow: var(--rk-shadow-sm); }
.rk-feature-card::after { position: absolute; right: -36px; bottom: -48px; width: 140px; height: 140px; border-radius: 50%; background: var(--card-glow, var(--rk-primary-soft)); content: ""; opacity: .64; }
.rk-feature-icon { position: relative; z-index: 1; display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 36px; border-radius: 15px; background: var(--card-icon-bg, var(--rk-primary-soft)); color: var(--card-icon-color, var(--rk-primary)); font-size: 12px; font-weight: 700; }
.rk-feature-card h3 { position: relative; z-index: 1; margin: 0 0 10px; color: var(--rk-text); font-size: 19px; font-weight: 700; letter-spacing: -.025em; }
.rk-feature-card p { position: relative; z-index: 1; margin: 0; color: color-mix(in srgb, var(--rk-text) 82%, var(--rk-background)); font-size: 13px; line-height: 1.7; }
.rk-feature-card > span { position: relative; z-index: 1; margin-top: auto; padding-top: 22px; color: color-mix(in srgb, var(--rk-text) 70%, var(--rk-background)); font-size: 10px; font-weight: 750; letter-spacing: .03em; text-transform: uppercase; }
.rk-feature-finance { --card-icon-bg: var(--rk-primary-soft); --card-icon-color: var(--rk-primary); --card-glow: var(--rk-primary-soft); }
.rk-feature-notes { --card-icon-bg: var(--rk-warning-soft); --card-icon-color: var(--rk-warning); --card-glow: var(--rk-warning-soft); }
.rk-feature-docs { --card-icon-bg: var(--rk-info-soft); --card-icon-color: var(--rk-info); --card-glow: var(--rk-info-soft); }
.rk-feature-maintenance { --card-icon-bg: var(--rk-secondary-soft); --card-icon-color: var(--rk-secondary); --card-glow: var(--rk-secondary-soft); }
.rk-feature-calendar { --card-icon-bg: var(--rk-accent-soft); --card-icon-color: var(--rk-accent); --card-glow: var(--rk-accent-soft); }
.rk-feature-story { --card-icon-bg: color-mix(in srgb, var(--rk-accent-soft) 65%, var(--rk-primary-soft)); --card-icon-color: var(--rk-accent); --card-glow: color-mix(in srgb, var(--rk-accent-soft) 60%, transparent); }

.rk-security-section { position: relative; background: var(--rk-surface-soft); overflow: hidden; }
.rk-security-section::before { position: absolute; inset: 0; content: ""; background: radial-gradient(circle at 10% 25%, color-mix(in srgb, var(--rk-primary) 9%, transparent), transparent 30%); pointer-events: none; }
.rk-security-grid { position: relative; display: grid; grid-template-columns: minmax(0,.88fr) minmax(0,1.12fr); gap: clamp(44px, 7vw, 90px); align-items: center; }
.rk-security-copy h2 { max-width: 560px; }
.rk-security-copy > p { max-width: 560px; }
.rk-text-cta { display: inline-flex; gap: 8px; margin-top: 18px; color: var(--rk-primary); font-size: 13px; font-weight: 700; text-decoration: none; }
.rk-text-cta span { transition: transform .16s ease; }
.rk-text-cta:hover span { transform: translateX(3px); }
.rk-security-cards { display: grid; gap: 12px; }
.rk-security-card { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start; padding: 22px; border: 1px solid var(--rk-border); border-radius: 22px; background: var(--rk-surface); box-shadow: var(--rk-shadow-sm); }
.rk-security-number { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 16px; background: var(--rk-primary-soft); color: var(--rk-primary); font-size: 11px; font-weight: 700; }
.rk-security-card h3 { margin: 3px 0 6px; font-size: 15px; letter-spacing: -.02em; }
.rk-security-card p { margin: 0; color: var(--rk-text-secondary); font-size: 12px; line-height: 1.65; }

.rk-how-heading { max-width: 760px; margin-bottom: 44px; }
.rk-how-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.rk-how-grid article { padding: 30px 28px; border-top: 1px solid var(--rk-border-strong); }
.rk-how-grid article > span { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 34px; border-radius: 50%; background: var(--rk-primary-soft); color: var(--rk-primary); font-size: 11px; font-weight: 700; }
.rk-how-grid h3 { margin: 0 0 9px; font-size: 17px; letter-spacing: -.025em; }
.rk-how-grid p { margin: 0; color: var(--rk-text-secondary); font-size: 12.5px; line-height: 1.72; }

.rk-quote-section { padding-top: 20px; }
.rk-quote-card { display: grid; grid-template-columns: auto minmax(0,1fr); gap: clamp(26px, 5vw, 58px); align-items: center; padding: clamp(32px, 6vw, 68px); border: 1px solid var(--rk-border); border-radius: 36px; background: var(--rk-surface); box-shadow: var(--rk-shadow-sm); }
.rk-quote-card img { width: clamp(68px, 8vw, 98px); height: auto; }
.rk-quote-card blockquote { max-width: 780px; margin: 0; font-size: clamp(24px, 3.2vw, 38px); font-weight: 600; letter-spacing: -.045em; line-height: 1.28; }

.rk-final-cta { padding-top: 40px; }
.rk-final-card { display: flex; align-items: center; justify-content: space-between; gap: 38px; padding: clamp(38px, 6vw, 70px); border-radius: 36px; background: linear-gradient(135deg, #5E806D 0%, #6F9A82 52%, #79AAA3 100%); color: #FFFDF8; box-shadow: 0 28px 80px rgba(72,105,84,.22); }
.rk-final-card .rk-eyebrow { color: #EAF2EC; }
.rk-final-card .rk-eyebrow::before { background: currentColor; }
.rk-final-card h2 { max-width: 760px; margin-bottom: 0; color: #FFFDF8; }
.rk-final-card .rk-button { flex: 0 0 auto; }
.rk-final-actions { display: grid; justify-items: center; gap: 12px; flex: 0 0 auto; }
.rk-final-demo-link { color: #FFFDF8; font-size: 12px; font-weight: 700; text-underline-offset: 4px; }

.rk-footer { padding: 36px 0 max(36px, env(safe-area-inset-bottom)); border-top: 1px solid var(--rk-border); }
.rk-footer-inner { display: grid; grid-template-columns: minmax(0,1fr) auto auto; align-items: center; gap: 28px; }
.rk-footer-brand { display: flex; align-items: center; gap: 11px; }
.rk-footer-brand img { width: 34px; height: 34px; }
.rk-footer-brand div { display: grid; gap: 2px; }
.rk-footer-brand strong { font-size: 13px; }
.rk-footer-brand span { color: var(--rk-text-soft); font-size: 10px; }
.rk-footer-actions { display: flex; gap: 18px; }
.rk-footer-actions a { color: var(--rk-text-secondary); font-size: 11px; font-weight: 600; text-decoration: none; }
.rk-footer small { color: var(--rk-text-soft); font-size: 10px; }

[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s cubic-bezier(.22,1,.36,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto!important; transition-duration: .01ms!important; animation-duration: .01ms!important; animation-iteration-count: 1!important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .rk-desktop-nav { display: none; }
  .rk-menu-button { display: block; }
  .rk-login-link { display: none; }
  .rk-hero-grid { grid-template-columns: 1fr; }
  .rk-hero-copy { max-width: 780px; text-align: center; margin-inline: auto; }
  .rk-hero-copy .rk-eyebrow { justify-content: center; }
  .rk-hero-actions, .rk-trust-row { justify-content: center; }
  .rk-hero-visual { max-width: 540px; width: 100%; margin-inline: auto; }
  .rk-section-heading { grid-template-columns: 1fr; gap: 18px; }
  .rk-section-heading > p { max-width: 660px; }
  .rk-feature-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .rk-security-grid { grid-template-columns: 1fr; }
  .rk-security-copy { max-width: 720px; }
  .rk-security-copy h2, .rk-security-copy > p { max-width: none; }
}

@media (max-width: 700px) {
  .rk-nav-shell { min-height: 68px; }
  .rk-brand img { width: 34px; height: 34px; }
  .rk-brand-word { font-size: 19px; }
  .rk-nav-actions { gap: 8px; }
  .rk-button-small { min-height: 40px; padding-inline: 15px; font-size: 11.5px; }
  .rk-hero { min-height: auto; padding-top: 60px; }
  .rk-hero h1 { letter-spacing: -.055em; line-height: 1.02; }
  .rk-hero-lead { font-size: 15px; }
  .rk-hero-actions { display: grid; width: 100%; }
  .rk-hero-actions .rk-button { width: 100%; }
  .rk-trust-row { display: grid; justify-content: start; width: max-content; max-width: 100%; margin-inline: auto; text-align: left; }
  .rk-phone-stage { padding-inline: 10px; }
  .rk-floating-note-a { left: -6px; bottom: 60px; }
  .rk-floating-note-b { right: -6px; top: 50px; }
  .rk-section { padding-block: 78px; }
  .rk-feature-grid { grid-template-columns: 1fr; }
  .rk-feature-card { min-height: 230px; }
  .rk-how-grid { grid-template-columns: 1fr; }
  .rk-how-grid article { padding: 26px 4px; }
  .rk-how-grid article > span { margin-bottom: 20px; }
  .rk-quote-card { grid-template-columns: 1fr; text-align: left; }
  .rk-final-card { align-items: stretch; flex-direction: column; }
  .rk-final-card .rk-button { width: 100%; }
  .rk-footer-inner { grid-template-columns: 1fr; align-items: start; }
  .rk-footer-actions { order: 2; }
  .rk-footer small { order: 3; }
}

@media (max-width: 420px) {
  :root { --landing-pad: 16px; }
  .rk-brand-word { display: none; }
  .rk-phone-card { border-radius: 28px; padding-inline: 14px; }
  .rk-floating-note { display: none; }
  .rk-feature-card { padding: 23px; }
  .rk-security-card { grid-template-columns: 46px 1fr; padding: 18px; gap: 14px; }
  .rk-security-number { width: 44px; height: 44px; border-radius: 14px; }
  .rk-final-card, .rk-quote-card { border-radius: 28px; }
}


/* ======================================================================
   a53p — Landing Experience V2 desktop sweep
   ====================================================================== */
.rk-theme-toggle {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  padding: 0;
  border: 1px solid var(--rk-border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--rk-surface) 78%, transparent);
  color: var(--rk-text);
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.rk-theme-toggle:hover { transform: translateY(-1px); background: var(--rk-surface); }
.rk-theme-icon { position: absolute; font-size: 17px; line-height: 1; transition: opacity .16s ease, transform .2s ease; }
.rk-theme-icon-light { opacity: 1; transform: scale(1) rotate(0); }
.rk-theme-icon-dark { opacity: 0; transform: scale(.7) rotate(-20deg); }
html[data-theme="dark"] .rk-theme-icon-light { opacity: 0; transform: scale(.7) rotate(20deg); }
html[data-theme="dark"] .rk-theme-icon-dark { opacity: 1; transform: scale(1) rotate(0); }

.rk-primary-cta {
  background: #19372B;
  color: #FBF7EE;
  box-shadow: 0 14px 34px rgba(25,55,43,.22);
}
.rk-primary-cta:hover { background: #102A20; box-shadow: 0 18px 40px rgba(25,55,43,.28); }
html[data-theme="dark"] .rk-primary-cta {
  background: #A8D1BC;
  color: #0D110F;
  box-shadow: 0 14px 34px rgba(0,0,0,.28);
}
html[data-theme="dark"] .rk-primary-cta:hover { background: #B9DDCA; }

.rk-hero { min-height: calc(100svh - 76px); }
.rk-section-intro {
  min-height: calc(100svh - 76px);
  display: flex;
  align-items: center;
  padding-block: clamp(70px, 8vw, 100px);
}
.rk-section-intro .rk-shell { width: min(100% - (var(--landing-pad) * 2), 900px); }

.rk-hero-visual { perspective: 1200px; }
.rk-phone-stage { transform-style: preserve-3d; }
.rk-phone-stage::before { transition: transform .35s cubic-bezier(.22,1,.36,1), opacity .25s ease; }
.rk-hero-visual:hover .rk-phone-stage::before { transform: rotate(-2deg) scale(1.025); }
.rk-phone-card:hover { box-shadow: 0 42px 100px rgba(51,66,57,.2), inset 0 1px 0 rgba(255,255,255,.35); }
.rk-floating-note:hover { --rk-hover-y: -7px; box-shadow: 0 24px 52px color-mix(in srgb, var(--rk-text) 14%, transparent); }
.rk-agenda-card, .rk-module-card { transition: transform .2s cubic-bezier(.22,1,.36,1), border-color .2s ease, background .2s ease; }
.rk-agenda-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--rk-primary) 32%, var(--rk-border)); }
.rk-module-card:hover { transform: translateX(5px); border-color: var(--rk-border-strong); }
.rk-module-card:hover b { transform: translateX(2px); }
.rk-module-card b { transition: transform .18s ease; }

.rk-coming-dialog {
  width: min(92vw, 520px);
  padding: 0;
  border: 1px solid var(--rk-border);
  border-radius: 28px;
  background: var(--rk-surface-raised);
  color: var(--rk-text);
  box-shadow: 0 30px 100px rgba(0,0,0,.22);
}
.rk-coming-dialog::backdrop { background: rgba(7,12,9,.48); backdrop-filter: blur(5px); }
.rk-coming-dialog-inner { position: relative; padding: 34px; }
.rk-coming-dialog h2 { margin: 14px 0 10px; font-size: clamp(25px, 4vw, 34px); letter-spacing: -.045em; line-height: 1.08; }
.rk-coming-dialog p { margin: 0 0 24px; color: var(--rk-text-secondary); line-height: 1.7; }
.rk-coming-close:first-child { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border: 1px solid var(--rk-border); border-radius: 50%; background: var(--rk-surface); color: var(--rk-text); font-size: 22px; cursor: pointer; }

.rk-footer-actions { flex-wrap: wrap; justify-content: flex-end; }

@media (min-width: 981px) {
  html { scroll-snap-type: y proximity; }
  .rk-hero, .rk-section { scroll-snap-align: start; scroll-margin-top: 76px; }
}

@media (max-width: 700px) {
  .rk-theme-toggle { width: 40px; height: 40px; flex-basis: 40px; }
  .rk-feature-card { min-height: 0; }
  .rk-feature-card > span { padding-top: 18px; }
  .rk-final-actions { width: 100%; justify-items: stretch; }
  .rk-final-demo-link { text-align: center; }
  .rk-section-intro { min-height: auto; }
}

@media (max-width: 460px) {
  .rk-nav-shell { gap: 8px; }
  .rk-nav-actions { gap: 6px; }
  .rk-button-small { padding-inline: 13px; }
  .rk-coming-dialog-inner { padding: 28px 22px 22px; }
}

.rk-floating-note { transform: translate3d(var(--rk-parallax-x), calc(var(--rk-parallax-y) + var(--rk-hover-y)), 0) rotate(var(--rk-base-rotate)); transition: transform .22s cubic-bezier(.22,1,.36,1), box-shadow .22s ease; will-change: transform; }


/* ======================================================================
   a53p1 — Card text contrast + mobile footer centering polish
   ====================================================================== */
.rk-feature-card p {
  text-wrap: pretty;
}

@media (max-width: 700px) {
  .rk-footer-inner {
    justify-items: center;
    text-align: center;
  }
  .rk-footer-brand {
    justify-content: flex-start;
    width: auto;
    max-width: 100%;
    text-align: left;
  }
  .rk-footer-brand div {
    justify-items: start;
    text-align: left;
  }
  .rk-footer-actions {
    justify-content: center;
    width: 100%;
  }
  .rk-footer small {
    width: 100%;
    text-align: center;
  }
}


/* ======================================================================
   a53p2 — Mobile footer brand alignment + header login removal
   ====================================================================== */

/* ======================================================================
   a53p3 — Mobile footer brand group alignment correction
   Center the brand block as a unit while keeping logo + copy left-aligned.
   ====================================================================== */
@media (max-width: 700px) {
  .rk-footer-brand {
    width: fit-content;
    max-width: 100%;
    margin-inline: auto;
    justify-content: flex-start;
    text-align: left !important;
  }

  .rk-footer-brand > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    text-align: left !important;
  }

  .rk-footer-brand strong,
  .rk-footer-brand span {
    display: block;
    width: auto;
    margin: 0;
    text-align: left !important;
    align-self: flex-start;
  }
}

/* ======================================================================
   P4A2 — iPhone landing install guide
   Public landing only. Android / desktop download flow remains unchanged.
   ====================================================================== */
.rk-install-dialog {
  width: min(92vw, 560px);
  max-height: min(88dvh, 760px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--rk-border);
  border-radius: 30px;
  background: var(--rk-surface-raised);
  color: var(--rk-text);
  box-shadow: 0 30px 100px rgba(0,0,0,.24);
  overscroll-behavior: contain;
}
.rk-install-dialog::backdrop {
  background: rgba(7,12,9,.52);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.rk-install-dialog-inner {
  position: relative;
  padding: 34px 34px max(30px, env(safe-area-inset-bottom));
}
.rk-install-dialog h2 {
  margin: 14px 44px 10px 0;
  font-size: clamp(26px, 5vw, 36px);
  letter-spacing: -.045em;
  line-height: 1.08;
}
.rk-install-lead {
  margin: 0 0 24px;
  color: var(--rk-text-secondary);
  font-size: 14px;
  line-height: 1.7;
}
.rk-install-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--rk-border);
  border-radius: 50%;
  background: var(--rk-surface);
  color: var(--rk-text);
  font-size: 23px;
  line-height: 1;
  cursor: pointer;
}
.rk-install-steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.rk-install-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 15px;
  border: 1px solid var(--rk-border);
  border-radius: 18px;
  background: var(--rk-surface);
}
.rk-install-step-number {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: var(--rk-primary-soft);
  color: var(--rk-primary);
  font-size: 12px;
  font-weight: 800;
}
.rk-install-steps strong {
  display: block;
  margin-top: 1px;
  color: var(--rk-text);
  font-size: 13px;
}
.rk-install-steps p {
  margin: 5px 0 0;
  color: var(--rk-text-secondary);
  font-size: 11.5px;
  line-height: 1.55;
}
.rk-install-browser-note {
  display: grid;
  gap: 4px;
  margin-top: 13px;
  padding: 13px 15px;
  border-radius: 16px;
  background: var(--rk-warning-soft);
  color: var(--rk-text-secondary);
  font-size: 11.5px;
  line-height: 1.55;
}
.rk-install-browser-note strong { color: var(--rk-text); font-size: 12px; }
.rk-install-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 22px;
}
.rk-install-actions .rk-button { min-width: 0; }
html[data-rk-landing-platform="ios"] [data-rk-install-cta] {
  -webkit-touch-callout: none;
}
@media (max-width: 560px) {
  .rk-install-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100dvh - max(20px, env(safe-area-inset-top)) - max(20px, env(safe-area-inset-bottom)));
    border-radius: 26px;
  }
  .rk-install-dialog-inner { padding: 28px 20px max(22px, env(safe-area-inset-bottom)); }
  .rk-install-dialog h2 { margin-right: 42px; }
  .rk-install-actions { grid-template-columns: 1fr; }
  .rk-install-actions .rk-button { width: 100%; }
}



/* P4B1 — post-install handoff copy for iPhone/iPad. */
.rk-install-after-note{
  margin:16px 0 0;
  padding:12px 14px;
  border:1px solid var(--rk-border);
  border-radius:16px;
  background:var(--rk-surface-soft);
  color:var(--rk-text-secondary);
  font-size:11.5px;
  line-height:1.6;
}
.rk-install-after-note strong{color:var(--rk-text)}