/* sms-auth — page styles (extracted from inline <style>). */
  /* ── SMS Auth — local styles. v5 tokens. `sms-`/`rt-`/`fo-`/`lane-` namespaced. ── */

  /* Section scaffolding */
  .sms-sec { padding: clamp(64px, 9vh, 96px) 0; background: var(--bg); border-bottom: 1px solid var(--hairline); }
  .sms-sec.subtle { background: var(--bg-subtle); }
  .sms-head { max-width: 760px; margin-bottom: var(--sp-12); }
  .sms-head .eyebrow { margin-bottom: var(--sp-5); }
  .sms-h2 { font-family: var(--font-sans); font-size: clamp(32px, 4vw, 48px); font-weight: var(--weight-semibold); line-height: 1.05; letter-spacing: -0.030em; color: var(--text-strong); margin-bottom: var(--sp-4); }
  .sms-h2 .mute { color: var(--g8); }
  .sms-lead { font-size: var(--text-md); line-height: 1.65; color: var(--g9); max-width: 56ch; }
  .sms-split { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 5vw, 80px); align-items: center; }
  .sms-split .eyebrow { margin-bottom: var(--sp-5); }
  .sms-narrative { font-size: var(--text-base); line-height: 1.7; color: var(--g9); max-width: 46ch; margin-top: var(--sp-5); }
  .sms-narrative b { color: var(--text-strong); font-weight: 600; }
  @keyframes sms-pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
  @keyframes sms-spin { to { transform: rotate(360deg); } }

  /* Hero */
  .sms-hero { padding: clamp(72px, 10vh, 112px) 0 clamp(48px, 8vh, 80px); background: var(--bg); border-bottom: 1px solid var(--hairline); position: relative; overflow: hidden; }
  .sms-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 46% 38% at 82% 18%, rgba(79,70,229,0.05) 0%, transparent 70%); pointer-events: none; }
  .sms-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 5vw, 88px); align-items: center; }
  .sms-hero-left { display: flex; flex-direction: column; align-items: flex-start; }
  .sms-hero-left .eyebrow { margin-bottom: var(--sp-6); }
  .sms-h1 { font-family: var(--font-sans); font-size: clamp(40px, 5.4vw, 64px); font-weight: var(--weight-semibold); line-height: 1.02; letter-spacing: -0.034em; color: var(--text-strong); margin-bottom: var(--sp-5); }
  .sms-h1 .mute { color: var(--g8); display: block; }
  .sms-hero-lead { font-size: var(--text-md); line-height: 1.65; color: var(--g9); max-width: 50ch; margin-bottom: var(--sp-8); }
  .sms-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
  .sms-hero-right { display: flex; justify-content: center; }

  /* Multi-provider router card */
  .rt { width: 100%; max-width: 520px; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--r-md); overflow: hidden; box-shadow: 0 10px 36px -12px rgba(14,14,12,0.10); }
  .rt-head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--hairline); background: var(--s1); }
  .rt-head-t { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--g8); font-weight: 600; display: flex; align-items: center; gap: 8px; }
  .rt-head-t .pulse { width: 6px; height: 6px; border-radius: 50%; background: #22C55E; animation: sms-pulse 1.6s infinite; }
  .rt-tag { font-family: var(--font-mono); font-size: 9px; padding: 3px 9px; border-radius: 100px; background: var(--accent); color: #fff; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
  .rt-in { display: flex; align-items: center; gap: 10px; padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--hairline); }
  .rt-in-pill { font-family: var(--font-mono); font-size: 10px; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-mid); border-radius: 100px; padding: 3px 9px; letter-spacing: 0.04em; }
  .rt-in-phone { font-family: var(--font-mono); font-size: 13px; color: var(--text-strong); font-weight: 500; }
  .rt-list { padding: var(--sp-3) var(--sp-5) var(--sp-4); }
  .rt-prov { display: grid; grid-template-columns: 92px 1fr 42px; align-items: center; gap: var(--sp-3); padding: 9px 0; border-bottom: 1px dashed var(--hairline); }
  .rt-prov:last-child { border-bottom: none; }
  .rt-prov-name { font-family: var(--font-sans); font-size: 13px; font-weight: 500; color: var(--text); letter-spacing: -0.005em; display: flex; align-items: center; gap: 7px; }
  .rt-prov-name .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--g5); }
  .rt-prov.sel .rt-prov-name { color: var(--accent); font-weight: 600; }
  .rt-prov.sel .rt-prov-name .dot { background: var(--accent); }
  .rt-bar { height: 7px; border-radius: 100px; background: var(--s2); overflow: hidden; }
  .rt-bar span { display: block; height: 100%; border-radius: 100px; background: var(--g6); }
  .rt-prov.sel .rt-bar span { background: var(--accent); }
  .rt-prov.low .rt-bar span { background: #C03A3A; }
  .rt-pct { font-family: var(--font-mono); font-size: 11px; color: var(--g8); text-align: right; font-weight: 600; }
  .rt-prov.sel .rt-pct { color: var(--accent); }
  .rt-prov.low .rt-pct { color: #C03A3A; }
  .rt-foot { display: flex; justify-content: space-between; padding: var(--sp-3) var(--sp-5); background: #0F0F0F; font-family: var(--font-mono); font-size: 11px; color: rgba(255,255,255,0.5); }
  .rt-foot b { color: #86EFAC; font-weight: 600; }

  /* Failover trace (dark) */
  .fo { width: 100%; max-width: 520px; background: #0A0A0A; border-radius: var(--r-md); overflow: hidden; box-shadow: 0 24px 64px -20px rgba(14,14,12,0.30); }
  .fo-head { display: flex; align-items: center; gap: var(--sp-2); padding: var(--sp-3) var(--sp-5); border-bottom: 1px solid rgba(255,255,255,0.07); }
  .fo-dot { width: 8px; height: 8px; border-radius: 50%; background: #F59E0B; animation: sms-pulse 1.4s infinite; }
  .fo-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: #FFF; font-weight: 600; flex: 1; }
  .fo-elapsed { font-family: var(--font-mono); font-size: 11px; color: #A5B4FC; }
  .fo-body { padding: var(--sp-4) var(--sp-5) var(--sp-5); }
  .fo-r { display: grid; grid-template-columns: 56px 14px 1fr; gap: 10px; align-items: baseline; padding: 8px 0; }
  .fo-r .t { font-family: var(--font-mono); font-size: 10.5px; color: rgba(255,255,255,0.42); }
  .fo-r .ic { font-family: var(--font-mono); font-size: 12px; color: #A5B4FC; font-weight: 700; }
  .fo-r .tx { font-family: var(--font-mono); font-size: 12px; color: rgba(255,255,255,0.78); line-height: 1.45; }
  .fo-r .tx b { color: #FFF; font-weight: 500; }
  .fo-r.warn .ic { color: #F59E0B; } .fo-r.warn .tx b { color: #FCD34D; }
  .fo-r.fail .ic { color: #FF6B6B; } .fo-r.fail .tx b { color: #FF8A8A; }
  .fo-r.win { background: rgba(34,197,94,0.08); margin: 4px -10px 0; padding: 11px 10px; border-radius: 8px; }
  .fo-r.win .ic, .fo-r.win .t { color: #86EFAC; }
  .fo-r.win .tx b { color: #86EFAC; }
  .fo-foot { display: flex; justify-content: space-between; padding: var(--sp-3) var(--sp-5); border-top: 1px solid rgba(255,255,255,0.07); font-family: var(--font-mono); font-size: 10.5px; color: rgba(255,255,255,0.5); }
  .fo-foot b { color: #FFF; font-weight: 600; }

  /* Dedicated OTP pipeline — delivery lanes */
  .lane { width: 100%; max-width: 520px; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--r-md); overflow: hidden; box-shadow: 0 10px 36px -12px rgba(14,14,12,0.10); }
  .lane-head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--hairline); background: var(--s1); }
  .lane-head-t { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--g8); font-weight: 600; display: flex; gap: 8px; align-items: center; }
  .lane-head-t .pulse { width: 6px; height: 6px; border-radius: 50%; background: #22C55E; animation: sms-pulse 1.6s infinite; }
  .lane-body { padding: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-5); }
  .lane-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 9px; }
  .lane-name { font-family: var(--font-sans); font-size: 13.5px; font-weight: 600; color: var(--g8); letter-spacing: -0.01em; }
  .lane-meta { font-family: var(--font-mono); font-size: 10.5px; color: var(--g7); }
  .lane-track { height: 34px; border-radius: 9px; background: var(--s2); display: flex; align-items: center; gap: 6px; padding: 0 10px; overflow: hidden; }
  .lane-pkt { width: 15px; height: 15px; border-radius: 4px; background: var(--g5); flex-shrink: 0; }
  .lane--otp .lane-name { color: var(--accent); }
  .lane--otp .lane-meta { color: var(--accent); font-weight: 600; }
  .lane--otp .lane-track { background: var(--accent-soft); border: 1px solid var(--accent-mid); justify-content: flex-end; }
  .lane--otp .lane-pkt { background: var(--accent); animation: sms-pulse 1.6s infinite; }
  .lane-foot { padding: var(--sp-3) var(--sp-5); background: #0F0F0F; font-family: var(--font-mono); font-size: 11px; color: rgba(255,255,255,0.6); text-align: center; }
  .lane-foot b { color: #86EFAC; font-weight: 600; }

  /* How it works — step cards */
  .sms-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
  .sms-step { border: 1px solid var(--hairline); border-radius: var(--r-md); padding: var(--sp-8); background: var(--bg); display: flex; flex-direction: column; }
  .sms-step-ic { width: 44px; height: 44px; border-radius: var(--r-sm); background: var(--accent-soft); border: 1px solid var(--accent-mid); display: grid; place-items: center; color: var(--accent); margin-bottom: var(--sp-6); }
  .sms-step-ic > i[data-lucide], .sms-step-ic > svg.lucide { width: 22px; height: 22px; stroke-width: 1.6; }
  .sms-step-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: var(--sp-3); }
  .sms-step-h { font-family: var(--font-sans); font-size: 19px; font-weight: 600; letter-spacing: -0.015em; color: var(--text-strong); margin-bottom: var(--sp-3); line-height: 1.2; }
  .sms-step-body { font-size: 14px; line-height: 1.65; color: var(--g9); }

  @media (max-width: 960px) {
    .sms-hero-inner { grid-template-columns: 1fr; }
    .sms-split { grid-template-columns: 1fr; }
    .sms-steps { grid-template-columns: 1fr; }
  }