/* ─────────────────────────────────────────────────────────────────────
 *  Dr. Healodex — landing page stylesheet
 * ─────────────────────────────────────────────────────────────────────
 *
 *  Palette: clean medical white + blue/green accent, premium SaaS feel.
 *  Theme tokens live in `:root` below — change a token to retheme the
 *  whole page.
 *
 *  Layout
 *    Single stylesheet, mobile-first, no preprocessor. Sections are
 *    separated by `── <name> ──` banners; jump between them with your
 *    editor's symbol search.
 *
 *  Table of contents
 *    1.  Design tokens (:root)               CSS custom properties
 *    2.  Reset & base typography             html, body, *
 *    3.  Header / Nav                        .site-header, .nav, .mobile-nav
 *    4.  Buttons                             .btn, .btn-primary, .btn-secondary
 *    5.  Section primitives                  .container, .section-head, etc.
 *    6.  Hero                                #hero, .hero-*
 *    7.  Hero showcase image                 .hero-showcase, .showcase-*
 *    8.  Problem / Solution                  #problem cards, .callout
 *    9.  Features                            #features cards
 *   10.  Ecosystem (dark)                    #ecosystem, .eco-*
 *   11.  Pricing calculator                  #calculator, .calc-*
 *   12.  Pricing tiers                       #pricing, .tier
 *   13.  Business model                      .biz-*
 *   14.  Audience cards                      .audience
 *   15.  Journey                             #journey, .step
 *   16.  Sample names                        .names-*
 *   17.  Compliance, final CTA               .final-cta
 *   18.  Contact form (base styles)          #contact, .contact-form
 *   19.  Footer                              .site-footer
 *   20.  Live estimate panel (inside form)   .estimate-*
 *   21.  Lead form states                    .form-status, .field-error,
 *                                            .hp-field, .btn-spinner
 *   22.  Utilities                           .text-gradient, .muted, etc.
 * ───────────────────────────────────────────────────────────────────── */

:root {
  --blue-900: #0a2a4a;
  --blue-800: #0d3a66;
  --blue-700: #0f4d85;
  --blue-600: #1565ac;
  --blue-500: #2382d6;
  --blue-100: #dbeafe;
  --blue-50: #eef5fd;

  --teal-700: #0e6f6a;
  --teal-600: #129b8a;
  --teal-500: #1ec5ad;
  --teal-50: #e9faf6;

  --green-600: #137a6b;
  --green-500: #2aa58e;

  --ink-900: #0b1726;
  --ink-800: #16263a;
  --ink-700: #2a3b51;
  --ink-500: #5a6b80;
  --ink-300: #94a3b8;
  --ink-200: #c5cfdb;
  --ink-100: #e2e8f0;
  --ink-50: #f2f5f9;

  --bg: #ffffff;
  --tinted: #f6f9fc;
  --dark: #0b1726;

  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;

  --shadow-sm:
    0 1px 2px rgba(11, 23, 38, 0.05), 0 1px 1px rgba(11, 23, 38, 0.03);
  --shadow-md:
    0 6px 18px rgba(11, 23, 38, 0.08), 0 2px 4px rgba(11, 23, 38, 0.04);
  --shadow-lg: 0 18px 44px rgba(11, 23, 38, 0.12);
  --shadow-glow: 0 24px 60px rgba(35, 130, 214, 0.18);

  --gradient-brand: linear-gradient(135deg, #1565ac 0%, #129b8a 100%);
  --gradient-soft: linear-gradient(180deg, #eef5fd 0%, #e9faf6 100%);
  --gradient-hero: linear-gradient(
    160deg,
    #f6f9fc 0%,
    #eef5fd 45%,
    #e9faf6 100%
  );

  --maxw: 1200px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-900);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  background: var(--blue-700);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
}
.skip-link:focus { left: 16px; top: 16px; z-index: 1000; }

/* ── Header / Nav ────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--ink-100);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink-900); }
.brand:hover { text-decoration: none; }
.brand-mark img { height: 42px; width: auto; display: block; }
.brand-text { display: inline-flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 18px; letter-spacing: 0.2px; }
.brand-by { font-size: 12px; color: var(--ink-500); font-weight: 500; margin-top: 2px; }

.primary-nav { display: none; gap: 26px; align-items: center; }
.primary-nav a {
  color: var(--ink-700);
  font-size: 14px;
  font-weight: 500;
}
.primary-nav a:hover { color: var(--blue-700); text-decoration: none; }
.nav-cta {
  display: none;
}
@media (min-width: 960px) {
  .primary-nav { display: inline-flex; }
  .nav-cta { display: inline-flex; }
}

.nav-toggle {
  background: transparent;
  border: 1px solid var(--ink-100);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  padding: 10px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
}
@media (min-width: 960px) { .nav-toggle { display: none; } }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 12px 24px 18px;
  border-bottom: 1px solid var(--ink-100);
  background: #fff;
}
.mobile-nav a {
  padding: 10px 0;
  color: var(--ink-800);
  font-weight: 500;
}
.mobile-nav.open { display: flex; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { box-shadow: var(--shadow-glow); }
.btn-secondary {
  background: #fff;
  color: var(--blue-700);
  border-color: var(--ink-100);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { border-color: var(--blue-500); color: var(--blue-700); }
.btn-ghost {
  background: transparent;
  color: var(--ink-800);
  border-color: var(--ink-200);
}
.btn-ghost:hover { background: var(--ink-50); }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-arrow { transition: transform 0.2s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ── Section primitives ──────────────────────────────────────────────── */
section { padding: 80px 0; }
@media (max-width: 640px) { section { padding: 56px 0; } }

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--teal-600);
  background: var(--teal-50);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 800;
  color: var(--ink-900);
}
.section-lede {
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--ink-700);
  max-width: 760px;
  margin: 0 0 36px;
}
.section-head { margin-bottom: 44px; text-align: left; }
.section-head.centered { text-align: center; margin-left: auto; margin-right: auto; }
.section-head.centered .section-lede { margin-left: auto; margin-right: auto; }

.tinted { background: var(--tinted); }
.dark-section {
  background: linear-gradient(160deg, #0a2a4a 0%, #0b1726 100%);
  color: #fff;
}
.dark-section .section-title { color: #fff; }
.dark-section .section-lede { color: rgba(255, 255, 255, 0.78); }
.dark-section .section-eyebrow {
  background: rgba(30, 197, 173, 0.12);
  color: var(--teal-500);
}

/* ── Hero ────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  padding: 88px 0 96px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}
.hero-blob--blue {
  width: 420px;
  height: 420px;
  background: #b9dafd;
  top: -120px;
  right: -80px;
}
.hero-blob--teal {
  width: 360px;
  height: 360px;
  background: #b9f0e2;
  bottom: -140px;
  left: -100px;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 23, 38, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 23, 38, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

.hero-stack {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero-stack { grid-template-columns: 1.05fr 0.95fr; gap: 64px; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--blue-800);
  background: #fff;
  padding: 7px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-500);
  box-shadow: 0 0 0 4px rgba(30, 197, 173, 0.18);
}

.hero-title {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 18px 0 18px;
  font-weight: 800;
}
.hero-title .accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subhead {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--ink-700);
  max-width: 600px;
  margin: 0 0 28px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-700);
  background: #fff;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--ink-100);
}
.trust-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-500);
}

/* Hero visual mockup */
.hero-visual {
  position: relative;
  min-height: 480px;
}
.mock {
  position: absolute;
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 18px;
}
.mock-dashboard {
  width: 100%;
  max-width: 460px;
  left: 0;
  top: 20px;
  transform: rotate(-1deg);
}
.mock-phone {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 220px;
  border-radius: 32px;
  padding: 16px 14px;
  transform: rotate(4deg);
  background: linear-gradient(180deg, #ffffff 0%, #f3f8fd 100%);
}
.mock-card {
  position: absolute;
  width: 220px;
  padding: 14px 16px;
  transform: rotate(2deg);
}
.mock-card.calendar {
  right: 60px;
  top: -10px;
}
.mock-card.report {
  left: 30px;
  bottom: -10px;
  transform: rotate(-3deg);
}

.mock h4 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-900);
}
.mock .small { font-size: 12px; color: var(--ink-500); }
.mock-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}
.bar {
  height: 8px;
  background: var(--ink-100);
  border-radius: 4px;
  flex: 1;
}
.bar.fill { background: linear-gradient(90deg, #1565ac, #129b8a); width: 70%; }
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.stat {
  border: 1px solid var(--ink-100);
  border-radius: 10px;
  padding: 10px 12px;
}
.stat .val { font-size: 18px; font-weight: 800; color: var(--blue-700); }
.stat .lbl { font-size: 11px; color: var(--ink-500); }
.mini-cal {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-top: 10px;
}
.mini-cal span {
  aspect-ratio: 1;
  border-radius: 5px;
  background: var(--ink-50);
  font-size: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-500);
}
.mini-cal span.on { background: var(--blue-600); color: #fff; }
.mini-cal span.has { background: var(--teal-50); color: var(--teal-700); }

.phone-screen {
  background: #fff;
  border-radius: 22px;
  padding: 12px;
  border: 1px solid var(--ink-100);
}
.phone-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--teal-50);
  color: var(--teal-700);
  margin-bottom: 8px;
}

@media (max-width: 980px) {
  .hero-visual { min-height: 420px; margin-top: 10px; }
}
@media (max-width: 640px) {
  .hero { padding: 56px 0 64px; }
  .mock-dashboard { transform: none; top: 0; max-width: 100%; }
  .mock-phone { right: 0; bottom: -20px; width: 180px; }
  .mock-card.calendar { right: 0; top: 240px; }
  .mock-card.report { display: none; }
  .hero-visual { min-height: 520px; }
}

/* ── Hero showcase image ─────────────────────────────────────────────── */
.hero-showcase {
  padding: 48px 0 24px;
  background: linear-gradient(180deg, var(--gradient-hero) 0%, #ffffff 100%);
}
.showcase-wrap {
  position: relative;
  display: grid;
  gap: 20px;
}
.showcase-frame {
  position: relative;
  border-radius: 28px;
  padding: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f1f6fb 100%);
  border: 1px solid rgba(15, 77, 133, 0.10);
  box-shadow:
    0 1px 0 #ffffff inset,
    0 30px 70px rgba(11, 23, 38, 0.18),
    0 6px 16px rgba(11, 23, 38, 0.06);
  isolation: isolate;
}
.showcase-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(35,130,214,0.35), rgba(18,155,138,0.35) 60%, rgba(35,130,214,0) 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.showcase-frame > picture {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 10px 24px rgba(11, 23, 38, 0.08);
}
.showcase-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
@media (max-width: 640px) {
  .showcase-frame { padding: 8px; border-radius: 20px; }
  .showcase-frame > picture { border-radius: 14px; }
}
.showcase-glow {
  position: absolute;
  inset: -40px -30px -50px -30px;
  pointer-events: none;
  z-index: -1;
  filter: blur(40px);
  background:
    radial-gradient(50% 60% at 20% 40%, rgba(35, 130, 214, 0.25), transparent 70%),
    radial-gradient(50% 60% at 80% 70%, rgba(18, 155, 138, 0.25), transparent 70%);
}
.showcase-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.showcase-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--blue-800);
  background: #fff;
  padding: 7px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--ink-100);
}
.showcase-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-500);
  box-shadow: 0 0 0 4px rgba(30, 197, 173, 0.18);
}
.showcase-caption {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-700);
  max-width: 720px;
  line-height: 1.55;
}
.showcase-caption strong { color: var(--ink-900); }

@media (max-width: 640px) {
  .hero-showcase { padding: 32px 0 16px; }
  .showcase-frame { border-radius: var(--radius); }
}

/* ── Problem cards ───────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card h3 {
  font-size: 18px;
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--ink-900);
}
.card p { margin: 0; color: var(--ink-500); font-size: 14.5px; line-height: 1.6; }

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 20px;
  color: var(--blue-700);
}

/* ── Solution callout ────────────────────────────────────────────────── */
.callout {
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  display: grid;
  gap: 28px;
  align-items: center;
}
.callout h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.callout p {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  line-height: 1.7;
}
@media (min-width: 860px) {
  .callout { grid-template-columns: 1.4fr 1fr; padding: 56px; }
}

/* ── Feature blocks ──────────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.feature {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.feature h3 {
  font-size: 19px;
  margin: 0 0 6px;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}
.feature .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--teal-700);
  background: var(--teal-50);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.feature ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.feature li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--ink-700);
  line-height: 1.5;
}
.feature li::before {
  content: "✓";
  color: var(--teal-600);
  font-weight: 800;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-row {
  display: grid;
  gap: 28px;
  align-items: center;
}
@media (min-width: 860px) {
  .feature-row { grid-template-columns: 1fr 1fr; }
  .feature-row.reverse > :first-child { order: 2; }
}

/* notice box (safety / AI / compliance) */
.notice {
  border: 1px solid var(--ink-100);
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-top: 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.notice .ic {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #fff7e6;
  color: #b06b00;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}
.notice p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-700);
  line-height: 1.55;
}

/* ── Pricing calculator ──────────────────────────────────────────────── */
.calc {
  display: grid;
  gap: 24px;
  align-items: start;
}
@media (min-width: 980px) {
  .calc { grid-template-columns: 1.3fr 1fr; gap: 30px; }
}

.calc-card {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.calc-card h3 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-900);
}
.calc-group {
  border-top: 1px solid var(--ink-100);
  padding: 16px 0 8px;
}
.calc-group:first-of-type { border-top: none; padding-top: 0; }
.calc-group h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink-500);
  margin: 0 0 12px;
}
.calc-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.calc-opt {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  background: var(--ink-50);
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.calc-opt:hover { background: #eaf3fb; }
.calc-opt input { margin-top: 3px; accent-color: var(--blue-600); }
.calc-opt .label { font-size: 14px; font-weight: 600; color: var(--ink-800); display: block; }
.calc-opt .sub { font-size: 12px; color: var(--ink-500); }
.calc-opt.checked {
  background: #eaf3fb;
  border-color: var(--blue-500);
}
.calc-opt.base {
  background: var(--teal-50);
  border-color: var(--teal-500);
  opacity: 0.95;
}
.calc-opt.base input { accent-color: var(--teal-600); }

.calc-summary {
  position: sticky;
  top: 90px;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.calc-summary h3 {
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}
.calc-totals {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}
.calc-total {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 14px 16px;
}
.calc-total .lbl {
  display: block;
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 4px;
}
.calc-total .val {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.calc-total .val small { font-size: 13px; font-weight: 500; opacity: 0.7; margin-left: 4px; }
.calc-rec {
  background: rgba(0, 0, 0, 0.18);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 18px;
}
.calc-rec strong { display: block; font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase; opacity: 0.8; margin-bottom: 4px; }
.calc-summary .btn { width: 100%; justify-content: center; background: #fff; color: var(--blue-700); }
.calc-summary .btn:hover { background: #f3f8fd; }
.calc-note {
  margin-top: 16px;
  font-size: 12px;
  opacity: 0.78;
  line-height: 1.5;
}

/* ── Pricing tiers ───────────────────────────────────────────────────── */
.tier-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.tier {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.tier h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--ink-900);
}
.tier .who {
  font-size: 13.5px;
  color: var(--ink-500);
  margin: 0 0 18px;
  min-height: 42px;
}
.tier .price {
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
  padding: 14px 0;
  margin-bottom: 16px;
}
.tier .price .row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-700);
}
.tier .price .row strong { color: var(--ink-900); }
.tier .price .row + .row { margin-top: 4px; }
.tier ul {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
  flex: 1;
}
.tier li {
  font-size: 13.5px;
  color: var(--ink-700);
  display: flex;
  gap: 8px;
  align-items: flex-start;
  line-height: 1.45;
}
.tier li::before {
  content: "✓";
  color: var(--teal-600);
  font-weight: 800;
  flex-shrink: 0;
}
.tier .btn { width: 100%; justify-content: center; }
.tier.popular {
  border-color: var(--blue-500);
  box-shadow: var(--shadow-glow);
  transform: translateY(-6px);
}
.tier.popular::before {
  content: "Most Popular";
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 4px 10px;
  border-radius: 999px;
}
@media (max-width: 860px) {
  .tier.popular { transform: none; }
}

/* ── Ecosystem hero (image + copy) ───────────────────────────────────── */
.eco-hero {
  display: grid;
  gap: 32px;
  align-items: center;
  margin-bottom: 44px;
}
@media (min-width: 960px) {
  .eco-hero { grid-template-columns: 1fr 1fr; gap: 48px; }
}
.eco-figure {
  margin: 0;
  position: relative;
  border-radius: 26px;
  padding: 12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 30px 70px rgba(0, 0, 0, 0.45);
  isolation: isolate;
}
.eco-figure::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(30,197,173,0.45), rgba(35,130,214,0.45) 60%, rgba(255,255,255,0) 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.eco-figure::after {
  content: "";
  position: absolute;
  inset: -50px -30px -60px -30px;
  pointer-events: none;
  z-index: -1;
  filter: blur(45px);
  background:
    radial-gradient(55% 60% at 20% 30%, rgba(30, 197, 173, 0.25), transparent 70%),
    radial-gradient(55% 60% at 80% 70%, rgba(35, 130, 214, 0.25), transparent 70%);
}
.eco-figure > picture {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  background: #0a1422;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.eco-figure img { display: block; width: 100%; height: auto; }
@media (max-width: 640px) {
  .eco-figure { padding: 8px; border-radius: 20px; }
  .eco-figure > picture { border-radius: 14px; }
}
.eco-stats {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.eco-stats > div {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
}
.eco-stats strong {
  display: block;
  color: var(--teal-500);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 2px;
}
.eco-stats span {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.7);
}

/* ── Ecosystem grid ──────────────────────────────────────────────────── */
.eco-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.eco-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: background 0.2s ease;
}
.eco-card:hover { background: rgba(255, 255, 255, 0.07); }
.eco-card h3 {
  font-size: 17px;
  margin: 0 0 6px;
  font-weight: 700;
  color: #fff;
}
.eco-card .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--teal-500);
  background: rgba(30, 197, 173, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.eco-card p { margin: 0; color: rgba(255, 255, 255, 0.7); font-size: 14px; line-height: 1.6; }

/* ── Journey ─────────────────────────────────────────────────────────── */
.journey {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  counter-reset: step;
}
.step {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius);
  padding: 22px 22px 22px 56px;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 22px;
  left: 18px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.step h4 { margin: 0 0 4px; font-size: 15px; font-weight: 700; color: var(--ink-900); }
.step p { margin: 0; font-size: 13.5px; color: var(--ink-500); line-height: 1.5; }

/* ── Business model split ────────────────────────────────────────────── */
.biz-split {
  display: grid;
  gap: 36px;
  align-items: start;
}
@media (min-width: 960px) {
  .biz-split { grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
}
.biz-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.biz-figure-frame {
  position: relative;
  border-radius: 26px;
  padding: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f1f6fb 100%);
  border: 1px solid rgba(15, 77, 133, 0.10);
  box-shadow:
    0 1px 0 #ffffff inset,
    0 30px 70px rgba(11, 23, 38, 0.16),
    0 6px 16px rgba(11, 23, 38, 0.05);
  isolation: isolate;
}
.biz-figure-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(35,130,214,0.30), rgba(18,155,138,0.30) 60%, rgba(35,130,214,0) 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.biz-figure-frame::after {
  content: "";
  position: absolute;
  inset: -40px -25px -50px -25px;
  pointer-events: none;
  z-index: -1;
  filter: blur(40px);
  background:
    radial-gradient(50% 60% at 20% 30%, rgba(35, 130, 214, 0.16), transparent 70%),
    radial-gradient(50% 60% at 80% 70%, rgba(18, 155, 138, 0.16), transparent 70%);
}
.biz-figure-frame > picture {
  display: block;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 10px 24px rgba(11, 23, 38, 0.08);
}
.biz-figure img { display: block; width: 100%; height: auto; }
@media (max-width: 640px) {
  .biz-figure-frame { padding: 8px; border-radius: 20px; }
  .biz-figure-frame > picture { border-radius: 12px; }
}
.biz-figure figcaption {
  font-size: 13px;
  color: var(--ink-500);
  text-align: center;
  line-height: 1.55;
  max-width: 480px;
  align-self: center;
}

/* ── Sample names split (copy + mobile mock) ─────────────────────────── */
.names-split {
  display: grid;
  gap: 36px;
  align-items: center;
}
@media (min-width: 960px) {
  .names-split { grid-template-columns: 1.15fr 0.85fr; gap: 56px; }
}
.names-figure {
  margin: 0;
  display: flex;
  justify-content: center;
  position: relative;
  isolation: isolate;
}
.names-figure::before {
  content: "";
  position: absolute;
  inset: -60px;
  background:
    radial-gradient(50% 50% at 50% 50%, rgba(35, 130, 214, 0.22), transparent 70%),
    radial-gradient(40% 50% at 70% 70%, rgba(18, 155, 138, 0.18), transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(20px);
}
.names-figure picture {
  display: block;
  position: relative;
  border-radius: 36px;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #eef5fd 100%);
  padding: 8px;
  border: 1px solid rgba(15, 77, 133, 0.10);
  box-shadow:
    0 1px 0 #ffffff inset,
    0 40px 80px rgba(11, 23, 38, 0.22),
    0 12px 28px rgba(11, 23, 38, 0.08);
  max-width: 360px;
  width: 100%;
  z-index: 1;
}
.names-figure picture::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(35,130,214,0.35), rgba(18,155,138,0.35) 60%, rgba(255,255,255,0) 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.names-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 30px;
  box-shadow: 0 6px 20px rgba(11, 23, 38, 0.08);
}
@media (max-width: 640px) {
  .names-figure picture { max-width: 300px; border-radius: 30px; padding: 6px; }
  .names-figure img { border-radius: 26px; }
}

/* ── Audience cards ──────────────────────────────────────────────────── */
.audience {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.audience .card h3 { color: var(--blue-700); }
.audience ul { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.audience li {
  font-size: 13.5px;
  color: var(--ink-700);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.audience li::before {
  content: "→";
  color: var(--teal-600);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Sample names ────────────────────────────────────────────────────── */
.names {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.name-chip {
  background: #fff;
  border: 1px solid var(--ink-100);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink-800);
  box-shadow: var(--shadow-sm);
}
.name-chip .accent {
  color: var(--blue-700);
  margin-right: 6px;
}

/* ── Contact form ────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  gap: 28px;
}
@media (min-width: 920px) {
  .contact-grid { grid-template-columns: 1.2fr 1fr; }
}

.contact-form {
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.contact-form h3 { margin: 0 0 18px; font-size: 20px; font-weight: 800; }
.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-700); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--ink-900);
  border: 1px solid var(--ink-100);
  border-radius: 10px;
  background: #fff;
  outline: none;
  transition: border 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(35, 130, 214, 0.12);
}
.field textarea { min-height: 80px; resize: vertical; }
.form-summary {
  background: var(--ink-50);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--ink-700);
  margin-top: 8px;
}
.form-summary strong { color: var(--ink-900); }
.contact-card {
  background: var(--gradient-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--ink-100);
}
.contact-card h3 { margin: 0 0 12px; font-size: 18px; font-weight: 800; }
.contact-card dl { margin: 0; }
.contact-card-note {
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--ink-700);
}
.contact-card dt {
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-top: 12px;
}
.contact-card dd { margin: 4px 0 0; font-size: 14.5px; color: var(--ink-900); font-weight: 500; }

/* ── Compliance + business value bars ────────────────────────────────── */
.value-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.value {
  background: #fff;
  border-left: 4px solid var(--teal-500);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-800);
  box-shadow: var(--shadow-sm);
}

/* ── Final CTA ───────────────────────────────────────────────────────── */
.final-cta {
  text-align: center;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 64px 32px;
}
.final-cta h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.final-cta p {
  margin: 0 auto 26px;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
}
.final-cta .btn-primary { background: #fff; color: var(--blue-700); }
.final-cta .btn-primary:hover { background: #f3f8fd; }
.final-cta .btn-ghost {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}
.final-cta .btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

/* ── Footer ──────────────────────────────────────────────────────────── */
.site-footer {
  background: #0a1726;
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: 14px; margin: 0 0 14px; font-weight: 700; }
.site-footer a { color: rgba(255, 255, 255, 0.65); display: block; padding: 4px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand-by { color: rgba(255, 255, 255, 0.6); }
.footer-brand p { color: rgba(255, 255, 255, 0.6); font-size: 14px; margin: 14px 0 0; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 36px;
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ── Animations ──────────────────────────────────────────────────────── */
@keyframes float-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { animation: float-up 0.6s ease both; }

/* ── Utility ─────────────────────────────────────────────────────────── */
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.muted { color: var(--ink-500); }

/* ── Live estimate panel inside the contact form ──────────────────────── */
.estimate-panel {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f4f9fd 0%, #eaf3fb 100%);
  border: 1px solid var(--blue-100, #d9e8f5);
}
.estimate-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.estimate-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-700);
}
.estimate-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-500, #1ec5ad);
  box-shadow: 0 0 0 3px rgba(30, 197, 173, 0.18);
}
.estimate-edit {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
  text-decoration: none;
}
.estimate-edit:hover { text-decoration: underline; }
.estimate-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.estimate-cell {
  background: #fff;
  border-radius: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(35, 130, 214, 0.12);
}
.estimate-lbl {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 4px;
}
.estimate-val {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}
.estimate-val small {
  font-size: 12px;
  font-weight: 500;
  opacity: 0.7;
  margin-left: 3px;
}
.estimate-rec {
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-700);
  line-height: 1.3;
  display: block;
}
.estimate-cell--rec { grid-column: span 1; }
@media (min-width: 540px) {
  .estimate-cell--rec { grid-column: 1 / -1; }
}
.estimate-modules {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--ink-700);
  line-height: 1.5;
}

/* ── Lead form: states, errors, status, honeypot, loading ─────────────── */

/* Visually hidden honeypot (kept tabbable-out via tabindex=-1 in HTML). */
.hp-field {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Field-level error message under inputs. */
.field-error {
  font-size: 12.5px;
  font-weight: 600;
  color: #b91c1c;
  margin-top: 2px;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #ef4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}

/* Submit row: button + fineprint side by side, wrapping on mobile. */
.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.form-fineprint {
  margin: 0;
  font-size: 12.5px;
  color: var(--ink-500);
  line-height: 1.5;
  max-width: 360px;
}

/* Inline status block (success / error / info). */
.form-status {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid transparent;
}
.form-status[hidden] { display: none; }
.form-status a { color: inherit; text-decoration: underline; font-weight: 600; }
.form-status strong { font-weight: 700; }

.form-status--success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}
.form-status--error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}
.form-status--info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e3a8a;
}

/* Submit button loading state. */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  animation: dr-spin 0.7s linear infinite;
}
.btn.is-loading { cursor: progress; opacity: 0.85; }
.btn.is-loading .btn-arrow { display: none; }
.btn.is-loading .btn-spinner { display: inline-block; }
.btn[disabled] { cursor: not-allowed; }

@keyframes dr-spin {
  to { transform: rotate(360deg); }
}