/* =============================================================
   Renegade Energy — application styles
   Layered on colors_and_type.css + data_viz.css.
   Tweak-driven knobs live on :root[data-*] / .rng-app vars.
   ============================================================= */

/* ---------- Tweak-driven knobs ---------- */
.rng-app {
  /* accent intensity — overridden by the Accent tweak */
  --accent: var(--rng-orange);
  --accent-hover: var(--rng-orange-400);
  --accent-press: var(--rng-orange-800);
  /* density — overridden by the Density tweak */
  --d: 1;                       /* spacing multiplier */
  --card-pad: calc(28px * var(--d));
  --section-y: calc(96px * var(--d));
  --field-pad-y: calc(13px * var(--d));
}
.rng-app[data-accent="vivid"]  { --accent: #FF7A14; --accent-hover: #FF9036; --accent-press: #C75606; }
.rng-app[data-accent="muted"]  { --accent: #E07A33; --accent-hover: #EA8F4F; --accent-press: #A2531C; }
.rng-app[data-density="compact"] { --d: 0.72; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg-page); overflow-x: hidden; }

.rng-app {
  font-family: var(--font-sans);
  color: var(--fg-1);
  min-height: 100vh;
}

/* ---------- Layout primitives ---------- */
.container { max-width: 1200px; margin: 0 auto; padding-left: 64px; padding-right: 64px; }
.container-narrow { max-width: 920px; margin: 0 auto; padding-left: 64px; padding-right: 64px; }
.section { padding-top: var(--section-y); padding-bottom: var(--section-y); }
.eyebrow { font-size: var(--fs-12); font-weight: 600; letter-spacing: var(--tr-wide); text-transform: uppercase; color: var(--fg-3); }
.eyebrow-accent { color: var(--accent); }
.eyebrow-on-dark { color: var(--accent); }
.lede { font-size: var(--fs-18); line-height: 1.55; color: var(--fg-2); font-weight: 300; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tnum { font-variant-numeric: tabular-nums lining-nums; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-sans); font-weight: 600; line-height: 1;
  border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer;
  transition: filter var(--dur-micro) var(--ease-ui), transform 80ms var(--ease-ui), background var(--dur-micro) var(--ease-ui), border-color var(--dur-micro) var(--ease-ui);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 20px; font-size: 14px; white-space: nowrap; text-decoration: none;
}
.btn:active { transform: scale(0.985); }
.btn-sm { padding: 9px 14px; font-size: 13px; }
.btn-lg { padding: 16px 24px; font-size: 15px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(0.93); }
.btn-secondary { background: transparent; color: var(--rng-navy); border-color: var(--rng-navy-200); }
.btn-secondary:hover { background: var(--rng-navy-50); }
.btn-secondary.on-dark, .btn-secondary[data-on-dark] { color: #fff; border-color: rgba(255,255,255,0.28); }
.btn-secondary.on-dark:hover { background: rgba(255,255,255,0.08); }
.btn-ghost { background: transparent; color: var(--rng-navy); }
.btn-ghost.on-dark { color: #fff; }
.btn-ghost:hover { color: var(--accent); }
.btn-navy { background: var(--rng-navy); color: #fff; }
.btn-navy:hover { filter: brightness(1.12); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; transform: none; filter: none; }
.btn .ic { flex: none; }

/* ---------- Form fields ---------- */
.field-group { margin-bottom: 20px; }
.field-label { display:block; font-size: 13px; font-weight: 600; color: var(--fg-1); margin-bottom: 7px; letter-spacing: 0.01em; }
.field-label .opt { font-weight: 400; color: var(--fg-3); font-size: 12px; margin-left: 6px; }
.field {
  font: 400 15px/1.2 var(--font-sans); padding: var(--field-pad-y) 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-light); background: #fff; color: var(--fg-1); width: 100%;
  transition: border-color var(--dur-micro) var(--ease-ui), box-shadow var(--dur-micro) var(--ease-ui);
}
.field::placeholder { color: var(--rng-navy-200); }
.field:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--rng-navy-400); }
.field-icon { position: relative; }
.field-icon .field { padding-left: 44px; }
.field-icon .ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--fg-3); pointer-events: none; }
.field-hint { font-size: 12.5px; color: var(--fg-3); margin-top: 6px; }
.field-group.has-error .field { border-color: #B73E3E; }
.field-group.has-error .field:focus { outline-color: #B73E3E; }
.field-group.has-error .field-hint { color: #B73E3E; display:flex; align-items:center; gap:5px; }
.field-group.is-valid .field { border-color: var(--delta-positive); }

/* ---------- Segmented control / tabs ---------- */
.segmented { display: inline-flex; gap: 3px; background: var(--bg-sunken); border: 1px solid var(--border-light); border-radius: var(--radius-sm); padding: 3px; }
.segmented button { appearance: none; border: 0; background: transparent; font-family: var(--font-sans); font-weight: 600; font-size: 13.5px; color: var(--fg-2); padding: 8px 16px; border-radius: 4px; cursor: pointer; transition: all var(--dur-micro) var(--ease-ui); }
.segmented button[aria-selected="true"] { background: #fff; color: var(--fg-1); box-shadow: var(--shadow-sm); }
.segmented.on-navy { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.12); }
.segmented.on-navy button { color: var(--rng-navy-100); }
.segmented.on-navy button[aria-selected="true"] { background: #fff; color: var(--rng-navy-900); }

/* pill tabs (accent underline) */
.pilltabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border-light); }
.pilltabs button { appearance:none; border:0; background:transparent; font-family: var(--font-sans); font-weight:600; font-size:14px; color: var(--fg-3); padding: 12px 16px; cursor:pointer; border-bottom: 2px solid transparent; margin-bottom:-1px; transition: color var(--dur-micro) var(--ease-ui); }
.pilltabs button:hover { color: var(--fg-1); }
.pilltabs button[aria-selected="true"] { color: var(--fg-1); border-bottom-color: var(--accent); }

/* ---------- Badges & tags ---------- */
.badge { display:inline-flex; align-items:center; gap:5px; font-size:12px; font-weight:600; padding: 4px 10px; border-radius: var(--radius-pill); letter-spacing: 0.01em; }
.badge .ic { width:14px; height:14px; }
.badge-navy { background: var(--rng-navy-50); color: var(--rng-navy-600); }
.badge-accent { background: var(--accent-soft); color: var(--accent-press); }
.badge-good { background: #E7F3EC; color: var(--delta-positive); }
.badge-warn { background: #FBF0E6; color: var(--rng-orange-900); }
.badge-info { background: var(--support-soft); color: var(--rng-purple-600); }
.tag { display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:500; padding: 6px 12px; border-radius: var(--radius-sm); background: var(--bg-sunken); color: var(--fg-2); border: 1px solid var(--border-light); }
.tag .ic { color: var(--fg-3); }
.tag-good { background:#E7F3EC; color: var(--delta-positive); border-color: #CBE7D5; }
.tag-good .ic { color: var(--delta-positive); }
.tag-solar { background: var(--accent-soft); color: var(--accent-press); border-color: var(--rng-orange-100); }
.tag-solar .ic { color: var(--accent-press); }

/* ---------- Cards ---------- */
.card { background: var(--bg-surface); border-radius: var(--radius-md); padding: var(--card-pad); }
.card-outline { border: 1px solid var(--border-light); }
.card-sunken { background: var(--bg-sunken); }
.card-hover { transition: box-shadow var(--dur-comp) var(--ease-ui), transform var(--dur-comp) var(--ease-ui); }
.card-hover:hover { box-shadow: var(--shadow-md); }

/* ---------- Marketing nav ---------- */
.mnav { position: sticky; top: 0; z-index: 40; height: 68px; display:flex; align-items:center; transition: background 200ms var(--ease-ui), border-color 200ms var(--ease-ui); border-bottom: 1px solid transparent; }
.mnav.on-light { background: rgba(244,246,251,0.92); backdrop-filter: blur(12px); border-bottom-color: var(--border-light); }
.mnav.on-dark-nav { background: var(--rng-navy-deep); border-bottom-color: rgba(255,255,255,0.08); }
.mnav.scrolled { background: rgba(3,0,56,0.9); backdrop-filter: blur(12px); border-bottom-color: rgba(255,255,255,0.08); }
.mnav .container { display:flex; align-items:center; width:100%; gap: 28px; }
.mnav-spacer { flex: 1; }
.mnav-links { display:flex; gap: 30px; margin: 0 auto 0 8px; padding:0; list-style:none; align-items:center; }
.mnav-links a { font-size: 14px; font-weight: 500; cursor:pointer; border-bottom: 2px solid transparent; padding: 22px 0; transition: color var(--dur-micro) var(--ease-ui); }
.mnav.on-light .mnav-links a { color: var(--fg-2); }
.mnav.on-light .mnav-links a:hover, .mnav.on-light .mnav-links a.active { color: var(--fg-1); border-bottom-color: var(--accent); }
.mnav.on-dark-nav .mnav-links a { color: rgba(255,255,255,0.82); }
.mnav.on-dark-nav .mnav-links a:hover, .mnav.on-dark-nav .mnav-links a.active { color:#fff; border-bottom-color: var(--accent); }
.mnav-cta { display:flex; align-items:center; gap: 14px; }
.mnav-burger { display:none; appearance:none; background:transparent; border:0; cursor:pointer; padding:8px; color: inherit; }
.lookup-pill { display:inline-flex; align-items:center; height: 28px; padding: 0 10px; border-radius: 999px; background: var(--support-soft); color: var(--support); font-size: 12px; font-weight: 700; letter-spacing: .02em; }
.logo-img { display:block; height: 30px; width:auto; }

/* mobile menu sheet */
.msheet { position: fixed; inset: 68px 0 0; background: var(--rng-navy-deep); z-index: 39; padding: 24px; display:flex; flex-direction:column; gap: 8px; }
.msheet a { color:#fff; font-size: 20px; font-weight:600; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }

/* ---------- Footer ---------- */
.foot { background: var(--rng-navy-900); color: var(--rng-navy-100); padding-top: 72px; padding-bottom: 40px; }
.foot-grid { display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.foot p { color: var(--rng-navy-200); font-weight: 300; }
.foot-col h4 { font-size: 11px; font-weight:600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--rng-navy-200); margin: 0 0 16px; }
.foot-col a { display:block; font-size: 14px; color:#fff; padding: 7px 0; cursor:pointer; font-weight: 300; opacity:0.9; }
.foot-col a:hover { opacity:1; border-bottom-color: transparent; color: var(--accent); }
.foot-social { display:flex; gap: 14px; margin-top: 24px; }
.foot-social a { width:38px; height:38px; border-radius: var(--radius-sm); border:1px solid rgba(255,255,255,0.12); display:flex; align-items:center; justify-content:center; color:#fff; }
.foot-social a:hover { background: rgba(255,255,255,0.06); border-bottom-color: rgba(255,255,255,0.12); }
.foot-base { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size: 12.5px; color: var(--rng-navy-200); }
.foot-base a { color: var(--rng-navy-200); }
.foot-base a:hover { color:#fff; }

/* ---------- Hero ---------- */
.hero { min-height: calc(100vh - 68px); background: var(--rng-navy-deep); color:#fff; position: relative; overflow: hidden; display:flex; align-items:stretch; }
.hero h1, .hero h2 { color:#fff; }
.hero > .container { display:flex; align-items:center; width:100%; }
.hero-grid { display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; width:100%; padding-top: clamp(72px, 9vh, 128px); padding-bottom: clamp(72px, 10vh, 136px); }
.hero-display { font-size: 72px; line-height: 1.06; letter-spacing: -0.035em; font-weight: 700; margin: 0; }
.hero-sub { font-size: 19px; line-height: 1.48; color: var(--rng-navy-100); max-width: 540px; margin-top: 26px; font-weight: 300; }
.hero-meta { display:flex; flex-wrap:wrap; gap: 12px 28px; margin-top: 28px; font-size: 13.5px; color: var(--rng-navy-200); }
.hero-meta span { display:flex; align-items:center; gap: 7px; }
.hero-glow { position:absolute; right:-120px; top:-80px; width: 520px; height: 520px; background: radial-gradient(circle, rgba(244,124,33,0.16), transparent 62%); pointer-events:none; }
.scroll-cue { position:absolute; left:50%; bottom:22px; transform:translateX(-50%); display:inline-flex; flex-direction:column; align-items:center; gap:4px; border:0; background:transparent; color:rgba(255,255,255,.68); cursor:pointer; font: inherit; font-size:11px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; padding:8px 12px; transition: color 160ms var(--ease-ui), transform 160ms var(--ease-ui); }
.scroll-cue svg { animation: scroll-cue-bob 1.4s ease-in-out infinite; }
.scroll-cue:hover { color:#fff; transform:translateX(-50%) translateY(-2px); }
@keyframes scroll-cue-bob { 0%, 100% { transform: translateY(0); opacity:.55; } 50% { transform: translateY(7px); opacity:1; } }

/* eligibility widget */
.widget { background:#fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 26px; color: var(--fg-1); }
.widget h3 { font-size: 19px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.widget .row { display:flex; gap: 10px; }
.widget .row .field { flex: 1; }

/* hero stat cards (variant A) */
.hero-statcards { display:grid; gap: 14px; }
.hstat { border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 22px; }
.hstat .lab { font-size: 11px; font-weight:600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--rng-navy-200); }
.hstat .big { font-size: 50px; font-weight:700; letter-spacing: -0.03em; margin-top: 8px; line-height:1; }
.hstat .big .u { font-size: 22px; color: var(--rng-navy-100); font-weight:500; margin-left: 4px; }
.hstat .note { font-size: 13.5px; color: var(--rng-navy-100); margin-top: 10px; font-weight: 300; }
.hstat-accent .big { color: var(--accent); }

/* ---------- Trust strip ---------- */
.trust { background: var(--bg-page); padding: 40px 0; border-bottom: 1px solid var(--border-light); }
.trust-row { display:flex; align-items:center; gap: 36px; flex-wrap:wrap; justify-content:center; }
.trust-row .lbl { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); }
.trust-item { display:flex; align-items:center; gap: 8px; font-size: 15px; font-weight: 600; color: var(--rng-navy-600); }
.trust-item .ic { color: var(--accent); }

/* ---------- Feature cards ---------- */
.feature-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.feature { background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 28px; }
.feature .ico { width: 48px; height:48px; border-radius: var(--radius-md); background: var(--rng-navy-deep); color:#fff; display:flex; align-items:center; justify-content:center; margin-bottom: 20px; }
.feature h4 { font-size: 19px; margin: 0 0 8px; }
.feature p { font-size: 14.5px; margin: 0; font-weight: 300; }

/* ---------- Comparison / how it works ---------- */
.split { display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.steps { display:grid; gap: 16px; }
.step { display:flex; gap: 18px; align-items:flex-start; padding: 20px; border:1px solid var(--border-light); border-radius: var(--radius-md); background:#fff; }
.step .n { flex:none; width: 32px; height:32px; border-radius: var(--radius-pill); background: var(--rng-navy-deep); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; }
.step h5 { margin: 2px 0 4px; font-size: 16px; }
.step p { margin:0; font-size: 14px; font-weight: 300; }

/* ---------- Quotes ---------- */
.quotes { display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 40px; }
.quote { background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 26px; display:flex; flex-direction:column; }
.quote p { font-size: 15px; color: var(--fg-1); font-weight: 400; line-height:1.55; }
.quote .who { display:flex; align-items:center; gap: 12px; margin-top: auto; padding-top: 20px; }
.avatar { width: 38px; height:38px; border-radius: var(--radius-pill); background: var(--rng-navy); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:600; font-size: 13px; flex:none; }

/* ---------- big CTA band ---------- */
.ctaband { background: var(--rng-navy-deep); color:#fff; }
.ctaband h2 { color:#fff; }

/* =============================================================
   SIGNUP FLOW
   ============================================================= */
.flow-wrap { min-height: calc(100vh - 68px); background: var(--bg-page); padding: 48px 0 96px; }
.stepper { display:flex; align-items:center; max-width: 720px; margin: 0 auto 44px; padding: 0 24px; }
.stepper .stp { display:flex; flex-direction:column; align-items:center; gap:8px; flex:none; width: 90px; }
.stepper .dot { width:36px; height:36px; border-radius: var(--radius-pill); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; background: #fff; border: 2px solid var(--border-strong); color: var(--fg-3); transition: all var(--dur-comp) var(--ease-ui); }
.stepper .stp.done .dot { background: var(--rng-navy-deep); border-color: var(--rng-navy-deep); color:#fff; }
.stepper .stp.current .dot { background: var(--accent); border-color: var(--accent); color:#fff; }
.stepper .stp .lab { font-size: 12.5px; font-weight: 600; color: var(--fg-3); }
.stepper .stp.current .lab, .stepper .stp.done .lab { color: var(--fg-1); }
.stepper .line { flex:1; height:2px; background: var(--border-strong); margin: 0 -6px; margin-bottom: 26px; }
.stepper .line.done { background: var(--rng-navy-deep); }
.flow-card { max-width: 720px; margin: 0 auto; }
.flow-head { text-align:center; margin-bottom: 28px; }
.flow-head h2 { font-size: 32px; }
.flow-head p { font-size: 16px; margin-top: 8px; }

/* autocomplete */
.ac { position: relative; }
.ac-menu { position:absolute; top: calc(100% + 6px); left:0; right:0; background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); z-index: 20; overflow:hidden; }
.ac-item { display:flex; align-items:center; gap: 12px; padding: 13px 16px; cursor:pointer; font-size: 14.5px; border-bottom: 1px solid var(--bg-sunken); }
.ac-item:last-child { border-bottom: 0; }
.ac-item:hover, .ac-item.active { background: var(--bg-sunken); }
.ac-item .ic { color: var(--fg-3); flex:none; }
.ac-item .sub { color: var(--fg-3); font-size: 12.5px; }

/* property found */
.prop { border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 24px; background:#fff; }
.prop-head { display:flex; gap: 16px; align-items:flex-start; }
.prop-ico { width:46px; height:46px; border-radius: var(--radius-md); background: var(--bg-sunken); color: var(--rng-navy); display:flex; align-items:center; justify-content:center; flex:none; }
.prop-tags { display:flex; flex-wrap:wrap; gap: 10px; margin-top: 18px; }

/* plan card */
.plan { border:1px solid var(--border-light); border-radius: var(--radius-md); background:#fff; overflow:hidden; transition: box-shadow var(--dur-comp) var(--ease-ui), border-color var(--dur-comp) var(--ease-ui); }
.plan.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan.recommended { }
.plan-top { padding: 24px 24px 0; }
.plan-flag { display:inline-flex; align-items:center; gap:6px; font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:#fff; background: var(--rng-navy-deep); padding: 6px 12px; border-radius: var(--radius-pill); margin-bottom: 16px; }
.plan-flag.accent { background: var(--accent); }
.plan h3 { font-size: 22px; margin: 0 0 6px; }
.plan .plan-desc { font-size: 14px; color: var(--fg-2); font-weight: 300; margin: 0; }
.plan-meta { display:flex; flex-direction:column; gap: 10px; padding: 20px 24px; border-top: 1px solid var(--border-light); margin-top: 20px; }
.plan-meta .mrow { display:flex; align-items:center; gap: 10px; font-size: 14px; }
.plan-meta .mrow .ic { color: var(--fg-3); flex:none; }
.plan-meta .mrow b { font-weight: 600; }
.plan-price { padding: 22px 24px; background: var(--bg-sunken); display:flex; align-items:flex-end; justify-content:space-between; gap:16px; }
.plan-price .ref { font-size: 13px; color: var(--delta-positive); font-weight: 600; display:flex; align-items:center; gap:5px; }
.plan-price .amt { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; line-height:1; }
.plan-price .amt .per { font-size: 15px; color: var(--fg-3); font-weight: 500; }
.plan-price .yr { font-size: 13px; color: var(--fg-3); margin-top: 4px; }
.plan-actions { padding: 20px 24px; border-top: 1px solid var(--border-light); display:flex; flex-direction:column; gap: 12px; }
.plan-foot { font-size: 11.5px; color: var(--fg-3); line-height: 1.5; }
.plan-foot a { color: var(--support); border-bottom: 1px solid currentColor; }

/* solar gate (decline) */
.gate { text-align:center; max-width: 560px; margin: 0 auto; }
.gate .gico { width: 72px; height:72px; border-radius: var(--radius-pill); background: var(--accent-soft); color: var(--accent-press); display:flex; align-items:center; justify-content:center; margin: 0 auto 24px; }

/* consent rows */
.consent { border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 4px 18px; }
.consent-row { display:flex; gap: 13px; align-items:flex-start; padding: 16px 0; border-bottom: 1px solid var(--bg-sunken); cursor:pointer; }
.consent-row:last-child { border-bottom: 0; }
.consent-row .ctext { font-size: 14.5px; color: var(--fg-1); }
.consent-row .csub { font-size: 13px; color: var(--fg-3); margin-top: 4px; font-weight: 300; }

/* custom checkbox + radio */
.cbox { appearance:none; width: 20px; height:20px; border:2px solid var(--border-strong); border-radius: 5px; flex:none; cursor:pointer; position:relative; transition: all var(--dur-micro) var(--ease-ui); margin-top: 1px; background:#fff; }
.cbox:checked { background: var(--accent); border-color: var(--accent); }
.cbox:checked::after { content:""; position:absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.cbox:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.radio { appearance:none; width:20px; height:20px; border:2px solid var(--border-strong); border-radius:50%; flex:none; cursor:pointer; position:relative; transition: all var(--dur-micro) var(--ease-ui); background:#fff; margin-top:1px; }
.radio:checked { border-color: var(--accent); }
.radio:checked::after { content:""; position:absolute; inset: 3px; border-radius:50%; background: var(--accent); }
.radio:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.radio-card { display:flex; gap: 13px; align-items:flex-start; padding: 16px; border:1px solid var(--border-light); border-radius: var(--radius-md); cursor:pointer; transition: border-color var(--dur-micro) var(--ease-ui), background var(--dur-micro) var(--ease-ui); }
.radio-card.sel { border-color: var(--accent); background: var(--accent-soft); }
.radio-card .ctext { font-size: 14.5px; font-weight: 500; color: var(--fg-1); }
.radio-card .csub { font-size: 13px; color: var(--fg-2); margin-top: 4px; font-weight: 300; }

.flow-nav { display:flex; justify-content:space-between; align-items:center; margin-top: 28px; }

/* confirmation */
.confirm { text-align:center; max-width: 600px; margin: 0 auto; }
.confirm .cico { width: 84px; height:84px; border-radius: var(--radius-pill); background: #E7F3EC; color: var(--delta-positive); display:flex; align-items:center; justify-content:center; margin: 0 auto 28px; }

/* =============================================================
   PORTAL
   ============================================================= */
.pnav { position: sticky; top:0; z-index: 30; background:#fff; border-bottom: 1px solid var(--border-light); }
.pnav-bar { height: 64px; display:flex; align-items:center; gap: 28px; }
.pnav-links { display:flex; gap: 6px; margin: 0 auto 0 16px; padding:0; list-style:none; }
.pnav-links a { font-size: 14px; font-weight: 600; color: var(--fg-2); padding: 20px 14px; cursor:pointer; border-bottom: 2px solid transparent; margin-bottom:-1px; transition: color var(--dur-micro) var(--ease-ui); }
.pnav-links a:hover { color: var(--fg-1); }
.pnav-links a.active { color: var(--fg-1); border-bottom-color: var(--accent); }
.pnav-right { display:flex; align-items:center; gap: 16px; margin-left:auto; }
.pnav-acct { display:flex; align-items:center; gap: 10px; font-size: 13.5px; color: var(--fg-2); }
.pnav-burger { display:none; appearance:none; background:transparent; border:0; cursor:pointer; padding:8px; color: var(--fg-1); }
.psheet { display:none; }

.portal-body { padding: 40px 0 80px; }
.page-head { margin-bottom: 28px; }
.page-head h1 { font-size: 38px; }
.page-head p { font-size: 16px; margin-top: 6px; }

.grid-2 { display:grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.grid-3 { display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-4 { display:grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.stack { display:flex; flex-direction:column; }

/* KPI / stat tiles */
.stat { background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 20px; }
.stat .lab { font-size: 11px; font-weight:600; letter-spacing:0.1em; text-transform:uppercase; color: var(--fg-3); }
.stat .val { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; margin-top: 10px; line-height:1; }
.stat .val .u { font-size: 15px; color: var(--fg-3); font-weight: 500; margin-left: 3px; }
.stat .sub { font-size: 12.5px; color: var(--fg-3); margin-top: 6px; }
.stat-accent .val { color: var(--accent); }

/* balance hero card */
.balance { background: var(--bg-sunken); border-radius: var(--radius-md); padding: 28px; }
.balance .amt { font-size: 60px; font-weight: 700; letter-spacing: -0.04em; line-height: .9; display: inline-flex; align-items: flex-start; gap: .03em; }
.balance .amt .c { font-size: .48em; line-height: 1; margin-top: .12em; letter-spacing: -0.02em; }

/* account summary card */
.acct .arow { display:flex; justify-content:space-between; align-items:baseline; padding: 10px 0; }
.acct .arow .k { font-size: 13.5px; color: var(--fg-2); }
.acct .arow .v { font-size: 14px; font-weight: 600; }

/* chart card */
.chart-card { background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 24px 28px; }
.chart-legend { display:flex; gap: 18px; align-items:center; }
.chart-legend .lg { display:flex; align-items:center; gap: 7px; font-size: 12.5px; font-weight:600; color: var(--fg-2); }
.chart-legend .sw { width: 12px; height:12px; border-radius:3px; }
.bar:hover { filter: brightness(1.12); }
.bartip { position:absolute; background: var(--rng-navy-deep); color:#fff; font-size:12px; padding:8px 10px; border-radius:6px; pointer-events:none; white-space:nowrap; box-shadow: var(--shadow-md); z-index:5; transform: translate(-50%,-100%); }
.bartip .tt { font-weight:700; }

/* invoice / generic table */
.tbl-wrap { background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); overflow:hidden; }
.rng-table .row-act { display:flex; gap:8px; justify-content:flex-end; }
.icon-btn { appearance:none; border:1px solid var(--border-light); background:#fff; border-radius: var(--radius-sm); width: 38px; height:38px; display:inline-flex; align-items:center; justify-content:center; cursor:pointer; color: var(--rng-navy); transition: all var(--dur-micro) var(--ease-ui); }
.icon-btn:hover { background: var(--bg-sunken); border-color: var(--border-strong); }
.icon-btn.accent { background: var(--accent); border-color: var(--accent); color:#fff; }
.icon-btn.accent:hover { filter: brightness(0.93); background: var(--accent); }

/* tariff blocks */
.tariff-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.tariff { border:1px solid var(--border-light); border-radius: var(--radius-md); overflow:hidden; }
.tariff h5 { font-size: 15px; padding: 14px 16px; margin:0; border-bottom: 1px solid var(--border-light); background: var(--bg-sunken); }
.tariff .trow { display:flex; justify-content:space-between; padding: 10px 16px; font-size: 13px; }
.tariff .trow .k { color: var(--fg-2); }
.tariff .trow .v { font-weight: 600; font-family: var(--font-mono); }

/* info / banner */
.banner { display:flex; gap: 12px; align-items:flex-start; padding: 16px 18px; border-radius: var(--radius-md); font-size: 14px; }
.banner .ic { flex:none; margin-top: 1px; }
.banner-info { background: var(--support-soft); color: var(--rng-purple-800); }
.banner-info .ic { color: var(--support); }
.banner-good { background:#E7F3EC; color: #145C2E; }
.banner-good .ic { color: var(--delta-positive); }
.banner-warn { background: var(--accent-soft); color: var(--rng-orange-900); }
.banner-warn .ic { color: var(--accent-press); }

/* quick action tiles */
.qa-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.qa { background:#fff; border:1px solid var(--border-light); border-radius: var(--radius-md); padding: 22px; text-align:center; cursor:pointer; transition: box-shadow var(--dur-comp) var(--ease-ui), border-color var(--dur-comp) var(--ease-ui); }
.qa:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.qa .ico { width: 44px; height:44px; border-radius: var(--radius-md); background: var(--bg-sunken); color: var(--rng-navy); display:flex; align-items:center; justify-content:center; margin: 0 auto 14px; }
.qa .t { font-size: 14px; font-weight: 600; }

/* divider */
.hr { height:1px; background: var(--border-light); border:0; margin: 24px 0; }
.section-label { font-size: 13px; font-weight:700; color: var(--fg-1); margin: 0 0 14px; }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1024px) {
  .container, .container-narrow { padding-left: 32px; padding-right: 32px; }
  .hero-display { font-size: 60px; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .tariff-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
  .rng-app { --section-y: calc(64px * var(--d)); }
  .container, .container-narrow { padding-left: 20px; padding-right: 20px; }
  .mnav-links { display:none; }
  .mnav-burger { display:inline-flex; }
  .mnav .desk-cta { display:none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; padding-top: 56px; padding-bottom: 72px; }
  .scroll-cue { display:none; }
  .hero-display { font-size: 46px; }
  .hero-sub { font-size: 17px; }
  .feature-grid, .quotes, .grid-3, .qa-grid { grid-template-columns: 1fr; }
  .grid-2, .split { grid-template-columns: 1fr; gap: 32px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .tariff-grid { grid-template-columns: 1fr; }
  .page-head h1 { font-size: 30px; }
  .pnav-links { display:none; }
  .pnav-burger { display:inline-flex; }
  .pnav-acct .who-txt { display:none; }
  .psheet.open { display:block; position: fixed; inset: 64px 0 0; background:#fff; z-index: 29; padding: 12px 20px; }
  .psheet.open a { display:block; font-size: 17px; font-weight:600; padding: 16px 4px; border-bottom:1px solid var(--border-light); color: var(--fg-1); }
  .psheet.open a.active { color: var(--accent); }
  .stepper .stp { width: 64px; }
  .stepper .stp .lab { font-size: 11px; }
  .flow-head h2 { font-size: 26px; }
  .balance .amt { font-size: 48px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero-display { font-size: 38px; }
  .stepper .stp .lab { display:none; }
  .quotes, .grid-3 { gap: 16px; }
}