:root {
      color-scheme: light;
      --ink: #14181f;
      --muted: #647083;
      --subtle: #8a96a7;
      --bg: #f4f9f6;
      --panel: #ffffff;
      --panel-soft: #f8fbf9;
      --line: #dbe6df;
      --line-soft: #edf3ef;
      --accent: #188a45;
      --accent-dark: #0d6d35;
      --accent-soft: #e8f7ee;
      --blue: #176fe3;
      --blue-soft: #edf5ff;
      --red: #b73631;
      --red-soft: #fff0ef;
      --shadow: 0 24px 70px rgba(24, 40, 28, .12), 0 2px 10px rgba(24, 40, 28, .05);
      --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", system-ui, sans-serif;
      --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    }
    /* Light-only by design: this page always renders the light theme,
       regardless of the OS dark-mode preference (color-scheme: light above
       forces light form controls too). A prior prefers-color-scheme:dark
       override only flipped the text tokens while the card/proof surfaces
       stayed hardcoded light → unreadable light-on-light text on phones in
       dark mode. Don't reintroduce a dark theme here. */
    * { box-sizing: border-box; }
    html, body { min-height: 100%; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 16% -8%, rgba(56,196,107,.21), transparent 34%),
        radial-gradient(circle at 84% 10%, rgba(23,111,227,.13), transparent 30%),
        linear-gradient(180deg, #fbfefc 0%, var(--bg) 56%, #eef6f1 100%);
      font: 14px/1.5 var(--font);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .44;
      background-image:
        linear-gradient(rgba(24,138,69,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24,138,69,.03) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.74), transparent 70%);
    }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; }
    :focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(24,138,69,.18), 0 0 0 1px rgba(24,138,69,.36);
    }
    .shell {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-rows: auto 1fr auto;
      min-height: 100vh;
      width: min(1120px, 100%);
      margin: 0 auto;
      padding: 22px 28px;
    }
    header, footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      font-size: 17px;
      font-weight: 760;
      letter-spacing: -.025em;
    }
    .brand svg { filter: drop-shadow(0 8px 14px rgba(24,138,69,.18)); }
    .nav {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
    }
    .nav a {
      padding: 7px 10px;
      border-radius: 999px;
      transition: color .14s ease, background .14s ease;
    }
    .nav a:hover { color: var(--ink); background: rgba(255,255,255,.62); }
    main {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 390px;
      gap: 28px;
      align-items: center;
      padding: 42px 0;
    }
    .copy {
      max-width: 650px;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      padding: 7px 11px;
      border: 1px solid rgba(24,138,69,.16);
      border-radius: 999px;
      background: rgba(255,255,255,.72);
      color: var(--accent-dark);
      box-shadow: 0 10px 30px rgba(24,138,69,.07);
      font-size: 11px;
      font-weight: 780;
      letter-spacing: .075em;
      text-transform: uppercase;
    }
    .kicker i {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: #38c46b;
      box-shadow: 0 0 0 5px rgba(56,196,107,.14);
    }
    h1 {
      max-width: 660px;
      margin: 0;
      font-size: clamp(42px, 5vw, 64px);
      line-height: .96;
      letter-spacing: -.06em;
    }
    .lede {
      max-width: 590px;
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 17px;
    }
    .card {
      position: relative;
      overflow: hidden;
      width: 100%;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255,255,255,.86);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }
    .card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.95), transparent);
    }
    .google {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      min-height: 46px;
      padding: 12px 16px;
      border: 1px solid #d7dee8;
      border-radius: 10px;
      background: #fff;
      color: #1f1f1f;
      cursor: pointer;
      font-weight: 700;
      transition: border-color .14s ease, box-shadow .14s ease, transform .14s ease, background .14s ease;
    }
    .google:hover:not(:disabled) {
      border-color: #c9d4e2;
      background: #f9fbff;
      box-shadow: 0 12px 28px rgba(30,46,70,.10);
      transform: translateY(-1px);
    }
    .google:disabled {
      cursor: progress;
      opacity: .62;
      transform: none;
      box-shadow: none;
    }
    .g-icon {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
    }
    .divider {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 16px 0;
      color: var(--subtle);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: .06em;
      text-transform: uppercase;
    }
    .divider::before, .divider::after {
      content: "";
      flex: 1;
      height: 1px;
      background: var(--line);
    }
    .providers {
      display: grid;
      gap: 8px;
    }
    .provider {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      width: 100%;
      min-height: 44px;
      padding: 10px 14px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--panel-soft);
      color: var(--ink);
      cursor: pointer;
      font-weight: 650;
      transition: border-color .14s ease, background .14s ease, transform .14s ease;
    }
    .provider:hover:not(:disabled) {
      border-color: #c9d4e2;
      background: #fff;
      transform: translateY(-1px);
    }
    .provider:disabled { cursor: progress; opacity: .6; }
    .provider svg { width: 17px; height: 17px; flex: 0 0 auto; }
    .email-form {
      display: grid;
      gap: 8px;
      margin-top: 4px;
    }
    .email-form input {
      width: 100%;
      min-height: 44px;
      padding: 10px 12px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--panel-soft);
      color: var(--ink);
      font: inherit;
    }
    .email-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
    .email-actions {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      font-size: 12px;
    }
    .linkbtn {
      background: none;
      border: none;
      /* Roomier tap target on phones; negative margin keeps the visual baseline. */
      padding: 8px 4px;
      margin: -8px -4px;
      color: var(--blue);
      cursor: pointer;
      font: inherit;
    }
    .linkbtn.muted { color: var(--muted); }
    .ok {
      min-height: 0;
      margin-top: 12px;
      color: var(--accent-dark);
      font-size: 13px;
    }
    .ok:not(:empty) {
      padding: 10px 12px;
      border: 1px solid rgba(24,138,69,.25);
      border-radius: 10px;
      background: var(--accent-soft);
    }
    .err {
      min-height: 20px;
      margin-top: 14px;
      padding: 0;
      color: var(--red);
      font-size: 13px;
    }
    .err:not(:empty) {
      padding: 10px 12px;
      border: 1px solid #ffc1bd;
      border-radius: 10px;
      background: var(--red-soft);
    }
    footer {
      color: var(--subtle);
      font-size: 12px;
    }
    footer a { color: var(--muted); }
    footer a:hover { color: var(--ink); }
    @media (max-width: 860px) {
      .shell { padding: 18px 16px; }
      main { grid-template-columns: 1fr; padding: 28px 0; }
      .copy { max-width: none; }
    }
    @media (max-width: 560px) {
      header, footer { align-items: flex-start; flex-direction: column; }
      .nav { flex-wrap: wrap; }
      .card { padding: 18px; }
      h1 { font-size: 40px; }
      /* 16px input font stops iOS Safari from zooming in on focus. */
      .email-form input { font-size: 16px; }
    }
    /* GDPR consent gate: a required ToS box that disables the sign-in buttons
       until ticked, plus one optional (unticked) telemetry box. Shown only on
       a first/post-bump/new-device visit (see the kb_consent cookie logic). */
    .consent-gate {
      margin: 0 0 14px; padding: 12px 14px; text-align: left;
      border: 1px solid #d7e4da; border-radius: 12px; background: #f4faf6;
    }
    .consent-row {
      display: flex; gap: 9px; align-items: flex-start; cursor: pointer;
      font-size: 12.5px; line-height: 1.45; color: #28352c; padding: 5px 0;
    }
    .consent-row input {
      margin-top: 2px; width: 15px; height: 15px; flex: 0 0 auto;
      accent-color: #147a34; cursor: pointer;
    }
    .consent-row a { color: #147a34; text-decoration: underline; }
    .consent-row .req { color: #b3261e; font-weight: 700; }
    .consent-row .opt { color: #6b7b70; }
    .consent-country {
      display: flex; flex-direction: column; gap: 5px;
      font-size: 12.5px; color: #28352c; padding: 5px 0 8px;
    }
    .consent-country select {
      font: inherit; font-size: 13px; color: var(--ink);
      padding: 7px 9px; border: 1px solid #cfdfd4; border-radius: 9px;
      background: #fff; width: 100%;
    }
    .consent-country select:invalid,
    .consent-country select option[value=""] { color: #8a96a7; }