/* silent-network-auth — page styles (extracted from inline <style>). */
  /* ── SNA hero — Variation B (Before / After compare) ───
     Built on v5 tokens. Local-only classes are namespaced with `sna-` */
  .sna-hero {
    padding: clamp(72px, 10vh, 112px) 0 clamp(48px, 8vh, 80px);
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
    position: relative;
    overflow: hidden;
  }
  .sna-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 40% at 80% 20%, rgba(79,70,229,0.05) 0%, transparent 70%);
    pointer-events: none;
  }
  .sna-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(48px, 5vw, 88px);
    align-items: center;
  }
  .sna-hero-left { display: flex; flex-direction: column; align-items: flex-start; }
  .sna-hero-left .eyebrow { margin-bottom: var(--sp-6); }

  .sna-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);
  }
  .sna-lead {
    font-size: var(--text-md);
    line-height: 1.65;
    color: var(--g9);
    max-width: 52ch;
    margin-bottom: var(--sp-8);
  }
  .sna-actions {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
    margin-bottom: var(--sp-6);
  }
  .sna-meta {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--g7);
    letter-spacing: 0.05em;
  }
  .sna-meta .sep { color: var(--g6); }

  /* Right side: before/after compare cards */
  .sna-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
    width: 100%;
    max-width: 540px;
    margin-left: auto;
  }
  .sna-cmp {
    background: var(--bg);
    border: 1px solid var(--hairline);
    border-radius: var(--r-md);
    padding: var(--sp-6) var(--sp-5);
    display: flex;
    flex-direction: column;
    min-height: 380px;
  }
  .sna-cmp--good {
    border-color: var(--accent-mid);
    background: var(--accent-soft);
    box-shadow: 0 8px 32px -12px rgba(79,70,229,0.16);
  }
  .sna-cmp-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--g7);
    margin-bottom: var(--sp-4);
    font-weight: 600;
  }
  .sna-cmp--good .sna-cmp-tag { color: var(--accent); }
  .sna-cmp-stat {
    font-family: var(--font-sans);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.034em;
    color: var(--text-strong);
    line-height: 1;
    margin-bottom: var(--sp-1);
  }
  .sna-cmp--good .sna-cmp-stat { color: var(--accent); }
  .sna-cmp-stat-lbl {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--g7);
    margin-bottom: var(--sp-5);
  }
  .sna-cmp-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-top: auto;
  }
  .sna-cmp-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-2);
    font-size: 12.5px;
    color: var(--g9);
    line-height: 1.5;
  }
  .sna-cmp-list li::before {
    content: '×';
    color: var(--g6);
    font-weight: 700;
    flex-shrink: 0;
    width: 14px;
  }
  .sna-cmp--good .sna-cmp-list li::before {
    content: '✓';
    color: var(--accent);
  }

  @media (max-width: 960px) {
    .sna-hero-inner { grid-template-columns: 1fr; }
    .sna-compare { max-width: 100%; margin-left: 0; }
  }
  @media (max-width: 480px) {
    .sna-compare { grid-template-columns: 1fr; }
    .sna-cmp { min-height: auto; }
  }

  /* ── How it works ─────────────────────────────── */
  .hiw {
    padding: clamp(64px, 9vh, 96px) 0;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
  }
  .hiw-head { margin-bottom: var(--sp-12); max-width: 720px; }
  .hiw-eyebrow {
    display: inline-flex; align-items: center; gap: var(--sp-2);
    font-family: var(--font-mono); font-size: var(--text-xs);
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--g8); margin-bottom: var(--sp-5);
  }
  .hiw-eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
  .hiw-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);
  }
  .hiw-h2 .mute { color: var(--g8); }
  .hiw-lead {
    font-size: var(--text-md); line-height: 1.65;
    color: var(--g9); max-width: 56ch;
  }

  /* Swimlane (desktop ≥ 960px) */
  .lane-wrap {
    border: 1px solid var(--hairline);
    border-radius: var(--r-md);
    background: var(--bg);
    overflow: hidden;
  }
  .lane-actors {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: var(--s1);
    border-bottom: 1px solid var(--hairline);
  }
  .lane-actor {
    padding: var(--sp-4) var(--sp-3);
    text-align: center;
    border-right: 1px solid var(--hairline);
  }
  .lane-actor:last-child { border-right: none; }
  .lane-actor b {
    display: block;
    font-family: var(--font-sans); font-size: 13px; font-weight: 600;
    color: var(--text-strong); letter-spacing: -0.005em;
    margin-bottom: 2px;
  }
  .lane-actor span {
    font-family: var(--font-mono); font-size: 10px;
    color: var(--g7); letter-spacing: 0.06em; text-transform: uppercase;
  }
  .lane-svg-wrap { padding: var(--sp-6) var(--sp-4); }
  .lane-svg { width: 100%; height: auto; display: block; }
  .lane-svg .lane { stroke: var(--hairline); stroke-width: 1; }
  .lane-svg .num {
    font-family: 'JetBrains Mono', monospace; font-size: 10px;
    fill: var(--accent); font-weight: 600; letter-spacing: 0.06em;
  }
  .lane-svg .line { stroke: var(--accent); stroke-width: 1.4; }
  .lane-svg .line-dim { stroke: var(--g6); stroke-width: 1; stroke-dasharray: 3 3; }
  .lane-svg .head { fill: var(--accent); }
  .lane-svg .head-dim { fill: var(--g6); }
  .lane-svg .lbl {
    font-family: 'Inter', sans-serif; font-size: 11px;
    fill: var(--text-strong); letter-spacing: -0.005em;
  }
  .lane-svg .lbl-sub {
    font-family: 'JetBrains Mono', monospace; font-size: 9.5px;
    fill: var(--g7); letter-spacing: 0.04em;
  }

  /* Vertical rows (mobile < 960px) */
  .vrow-list { border-top: 1px solid var(--hairline); }
  .vrow {
    border-bottom: 1px solid var(--hairline);
    padding: var(--sp-5) 0;
    display: grid;
    grid-template-columns: 36px 1fr auto;
    gap: var(--sp-4);
    align-items: center;
  }
  .vrow-n {
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--accent); font-weight: 600; letter-spacing: 0.06em;
  }
  .vrow-body { display: flex; flex-direction: column; gap: var(--sp-1); }
  .vrow-arrow {
    font-family: 'JetBrains Mono', monospace; font-size: 10px;
    color: var(--g7); letter-spacing: 0.06em; text-transform: uppercase;
    font-weight: 600;
  }
  .vrow-title {
    font-family: 'Inter', sans-serif; font-size: 16px;
    color: var(--text-strong); font-weight: 600; letter-spacing: -0.012em;
    margin-top: 2px;
  }
  .vrow-desc {
    font-size: 13px; color: var(--g9); line-height: 1.55;
    margin-top: 4px;
  }
  .vrow-elapsed {
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--accent); font-weight: 500; text-align: right;
  }

  /* Responsive switch */
  .hiw-mobile { display: none; }
  @media (max-width: 960px) {
    .hiw-desktop { display: none; }
    .hiw-mobile { display: block; }
  }

  /* ── Coverage ─────────────────────────────── */
  .cov {
    padding: clamp(64px, 9vh, 96px) 0;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--hairline);
  }
  .cov-head { margin-bottom: var(--sp-10); max-width: 720px; }

  /* India carrier cards */
  .cov-carrier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-3);
    margin-bottom: var(--sp-10);
  }
  .cov-carrier {
    background: var(--bg);
    border: 1px solid var(--hairline);
    border-radius: var(--r-md);
    padding: var(--sp-6);
    display: flex; flex-direction: column;
    transition: all 200ms ease;
  }
  .cov-carrier:hover {
    border-color: var(--accent-mid);
    box-shadow: 0 4px 20px rgba(14,14,12,0.04);
  }
  .cov-logo {
    font-family: 'Inter', sans-serif;
    font-size: 36px; font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: var(--sp-3);
  }
  .cov-logo.airtel { color: #E40000; }
  .cov-logo.jio    { color: #0F1F5A; }
  .cov-logo.vi     { color: #ED1C24; }
  .cov-logo.vi .vi-dot {
    width: 8px; height: 8px; background: #ED1C24; border-radius: 50%;
    display: inline-block; margin-left: 2px; vertical-align: top;
  }
  .cov-name {
    font-family: var(--font-sans); font-size: 14px;
    color: var(--text-strong); font-weight: 600;
    letter-spacing: -0.005em; margin-bottom: var(--sp-5);
  }
  .cov-pill {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: auto;
    padding: 4px 10px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-mid);
    border-radius: var(--r-pill);
    width: fit-content;
    font-family: var(--font-mono); font-size: 10px;
    letter-spacing: 0.10em; text-transform: uppercase;
    color: var(--accent); font-weight: 600;
  }
  .cov-pill .ping {
    width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
    animation: cov-pulse 1.6s infinite;
  }
  @keyframes cov-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

  /* ── Coverage ─ flat editorial tiers ──────────────── */
  .cov-tier {
    margin-top: var(--sp-8);
    margin-bottom: var(--sp-10);
  }
  .cov-tier:last-child { margin-bottom: 0; }
  .cov-tier-head {
    display: flex; align-items: baseline; justify-content: space-between;
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--hairline);
    margin-bottom: var(--sp-4);
  }
  .cov-tier-h {
    font-family: var(--font-mono); font-size: var(--text-xs);
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--accent); font-weight: 600;
  }
  .cov-tier-sub {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--g7); letter-spacing: 0.04em;
  }
  .cov-tier-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    column-gap: var(--sp-10);
    row-gap: var(--sp-3);
  }
  .cov-tier-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-2);
    border-radius: var(--r-sm);
    transition: background 200ms ease;
  }
  .cov-tier-row:hover { background: var(--s1); }
  .cov-tier-row .flag {
    font-size: 18px; line-height: 1; flex-shrink: 0;
  }
  .cov-tier-row .name {
    font-family: var(--font-sans); font-size: 14px;
    color: var(--text); letter-spacing: -0.005em;
  }
  .cov-tier-row .pct {
    font-family: var(--font-mono); font-size: 13px;
    font-weight: 500; letter-spacing: 0.02em;
  }
  .cov-tier-row .pct.high { color: var(--accent); }
  .cov-tier-row .pct.mid  { color: var(--g8); }
  .cov-tier-row .pct.low  { color: var(--g7); }
  .cov-tier-note {
    margin-top: var(--sp-6);
    font-family: var(--font-sans); font-size: 13px;
    color: var(--g9); line-height: 1.55;
  }
  .cov-tier-note a { color: var(--accent); font-weight: 500; }

  /* ── UPI SIM Binding section (Variation D) ─────────── */
  .upi {
    padding: clamp(64px, 9vh, 96px) 0;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
  }
  .upi-top {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: flex-start;
    margin-bottom: var(--sp-12);
  }
  .upi-head { max-width: 520px; }
  .upi-eyebrow {
    display: inline-flex; align-items: center; gap: var(--sp-2);
    font-family: var(--font-mono); font-size: var(--text-xs);
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--g8); margin-bottom: var(--sp-5);
  }
  .upi-eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
  .upi-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);
  }
  .upi-h2 .mute { color: var(--g8); }
  .upi-lead { font-size: var(--text-md); line-height: 1.65; color: var(--g9); margin-bottom: var(--sp-6); }
  .upi-approved {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-mid);
    border-radius: var(--r-pill);
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.10em; text-transform: uppercase;
    color: var(--accent); font-weight: 600;
  }
  .upi-approved svg { width: 14px; height: 14px; }

  /* Flow card */
  .upi-flow {
    background: var(--bg);
    border: 1px solid var(--hairline);
    border-radius: var(--r-md);
    overflow: hidden;
  }
  .upi-flow-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--sp-4) var(--sp-6);
    border-bottom: 1px solid var(--hairline); background: var(--s1);
  }
  .upi-flow-head-l {
    font-family: var(--font-mono); font-size: var(--text-xs);
    letter-spacing: 0.10em; text-transform: uppercase;
    color: var(--g8); font-weight: 600;
  }
  .upi-flow-head-r {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-mono); font-size: 10.5px;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent); font-weight: 600;
  }
  .upi-flow-head-r .pulse {
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
    animation: upi-pulse 1.6s infinite;
  }
  @keyframes upi-pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
  .upi-flow-rows { padding: var(--sp-2) var(--sp-6); }
  .upi-flow-row {
    display: grid; grid-template-columns: 40px 1fr;
    gap: var(--sp-4);
    padding: var(--sp-4) 0;
    border-bottom: 1px solid var(--hairline);
  }
  .upi-flow-row:last-child { border-bottom: none; }
  .upi-flow-num {
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    letter-spacing: 0.10em; color: var(--accent); font-weight: 600;
  }
  .upi-flow-h {
    font-family: var(--font-sans); font-size: 15px; font-weight: 600;
    color: var(--text-strong); letter-spacing: -0.010em; line-height: 1.3;
    margin-bottom: 4px;
  }
  .upi-flow-d { font-size: 13px; color: var(--g9); line-height: 1.55; }

  /* 3×2 merged grid */
  .upi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    border: 1px solid var(--hairline-strong);
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--bg);
  }
  .upi-cell {
    padding: var(--sp-10) var(--sp-8);
    border-right: 1px solid var(--hairline-strong);
    border-bottom: 1px solid var(--hairline-strong);
    display: flex; flex-direction: column;
    justify-content: space-between;
    min-height: 260px;
    gap: var(--sp-6);
  }
  .upi-cell:nth-child(3n) { border-right: none; }
  .upi-cell:nth-last-child(-n+3) { border-bottom: none; }

  /* Top label (mono caps) — same across all cells */
  .upi-cell-tag {
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.10em; text-transform: uppercase;
    color: var(--g7); font-weight: 600;
    margin: 0;
  }

  /* Middle focal content */
  .upi-cell-focal {
    display: flex; flex-direction: column; gap: var(--sp-2);
    margin-top: auto; margin-bottom: auto;
  }
  .upi-cell-num {
    font-family: var(--font-sans); font-size: clamp(40px, 4.5vw, 56px);
    font-weight: var(--weight-bold); letter-spacing: -0.038em;
    color: var(--text-strong); line-height: 1;
  }
  .upi-cell-num .acc { color: var(--accent); }
  .upi-cell-h {
    font-family: var(--font-sans); font-size: 20px; font-weight: 600;
    color: var(--text-strong); letter-spacing: -0.015em; line-height: 1.3;
    margin: 0;
  }

  /* Bottom supporting line — same across all cells */
  .upi-cell-sub {
    font-size: 13.5px; color: var(--g8); line-height: 1.55;
    margin: 0;
    max-width: 32ch;
  }

  @media (max-width: 1080px) {
    .upi-top { grid-template-columns: 1fr; }
    .upi-grid { grid-template-columns: 1fr 1fr; }
    .upi-cell:nth-child(3n) { border-right: 1px solid var(--hairline); }
    .upi-cell:nth-child(2n) { border-right: none; }
    .upi-cell:nth-last-child(-n+3) { border-bottom: 1px solid var(--hairline); }
    .upi-cell:nth-last-child(-n+2) { border-bottom: none; }
  }
  @media (max-width: 720px) {
    .upi-grid { grid-template-columns: 1fr; }
    .upi-cell { border-right: none !important; border-bottom: 1px solid var(--hairline) !important; }
    .upi-cell:last-child { border-bottom: none !important; }
  }

  /* ── Customer Proof ──────────────── */
  .prf {
    padding: clamp(64px, 9vh, 96px) 0;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--hairline);
  }
  .prf-grid {
    display: grid; grid-template-columns: 1.6fr 1fr;
    gap: var(--sp-12);
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--r-md);
    padding: clamp(48px, 6vw, 80px);
  }
  .prf-quote-mark {
    font-family: var(--font-sans); font-size: 56px; font-weight: 600;
    color: var(--accent); line-height: 0.5; margin-bottom: var(--sp-4); height: 36px;
  }
  .prf-quote {
    font-family: var(--font-sans); font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 500; line-height: 1.45; letter-spacing: -0.018em;
    color: var(--text-strong); margin: 0 0 var(--sp-8); max-width: 36ch;
  }
  .prf-attr {
    display: flex; align-items: center; gap: var(--sp-4);
  }
  .prf-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--accent); color: #FFF;
    display: grid; place-items: center;
    font-family: var(--font-sans); font-size: 16px; font-weight: 600;
    letter-spacing: -0.015em; flex-shrink: 0;
  }
  .prf-name { font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--text-strong); letter-spacing: -0.005em; }
  .prf-role { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--g7); margin-top: 2px; }
  .prf-stats {
    display: flex; flex-direction: column; gap: var(--sp-10);
    padding-left: var(--sp-10);
    border-left: 1px solid var(--hairline);
  }
  .prf-stats > div + div {
    padding-top: var(--sp-10);
    border-top: 1px solid var(--hairline);
  }
  .prf-stat-num {
    font-family: var(--font-sans); font-size: clamp(36px, 4vw, 48px);
    font-weight: 700; letter-spacing: -0.035em; color: var(--accent); line-height: 1;
    margin-bottom: var(--sp-2);
  }
  .prf-stat-lbl {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--g7); font-weight: 600;
  }

  @media (max-width: 880px) {
    .prf-grid { grid-template-columns: 1fr; }
    .prf-stats { padding-left: 0; padding-top: var(--sp-6); border-left: none; border-top: 1px solid var(--hairline); flex-direction: row; flex-wrap: wrap; gap: var(--sp-6); }
    .prf-stats > div { flex: 1 1 30%; min-width: 140px; }
  }

  @media (max-width: 1080px) {
    .cov-tier-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 720px) {
    .cov-carrier-grid { grid-template-columns: 1fr; }
    .cov-tier-grid { grid-template-columns: 1fr; }
  }