:root {
  --bg: #f7fafc;
  --surface: #ffffff;
  --surface-soft: #effcf5;
  --ink: #0b1f33;
  --muted: #516173;
  --line: #dce6ef;
  --brand: #24d366;
  --brand-dark: #128c7e;
  --accent: #f7b731;
  --shadow: 0 22px 60px rgba(11, 31, 51, 0.12);
  --radius-lg: 30px;
  --radius-md: 20px;
  --max: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 50;
}

.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247, 250, 252, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 230, 239, .7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 850;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--ink);
  color: var(--brand);
  box-shadow: 0 10px 24px rgba(11, 31, 51, .16);
}

.brand-mark svg { width: 27px; height: 27px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-weight: 700;
  font-size: .95rem;
  color: #24384b;
}

.site-nav a:not(.btn):hover { color: var(--brand-dark); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  border-radius: 3px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 850;
  letter-spacing: -0.01em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--brand);
  color: #062015;
  box-shadow: 0 15px 30px rgba(36, 211, 102, .25);
}

.btn-primary:hover { background: #35df77; }

.btn-secondary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 15px 30px rgba(11, 31, 51, .16);
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.btn-icon {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
}

.hero {
  padding: 78px 0 52px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .93fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid #c7ead5;
  border-radius: 999px;
  background: #eefcf4;
  color: #0f6d43;
  font-size: .9rem;
  font-weight: 850;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(36, 211, 102, .17);
}

h1, h2, h3 { line-height: 1.08; margin: 0; letter-spacing: -0.045em; }

h1 {
  margin-top: 22px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  max-width: 820px;
}

.hero-subtitle {
  margin: 24px 0 0;
  font-size: clamp(1.14rem, 2.1vw, 1.45rem);
  color: var(--muted);
  max-width: 680px;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
  margin-top: 32px;
  max-width: 590px;
}

.hero-point {
  background: #fff;
  border: 1px solid var(--line);
  padding: 15px;
  border-radius: 18px;
  box-shadow: 0 10px 26px rgba(11, 31, 51, .06);
}

.hero-point strong { display: block; font-size: 1.12rem; }
.hero-point span { color: var(--muted); font-size: .93rem; }

.hero-media {
  position: relative;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: -24px;
  border-radius: 42px;
  background: linear-gradient(140deg, rgba(36,211,102,.18), rgba(11,31,51,.06));
  transform: rotate(-3deg);
}

.hero-media img {
  position: relative;
  border-radius: 42px;
  box-shadow: var(--shadow);
}

.section { padding: 74px 0; }

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .8rem;
}

.section h2 {
  font-size: clamp(2.2rem, 4.2vw, 3.8rem);
}

.section-lead {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 17px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 25px;
  box-shadow: 0 16px 42px rgba(11, 31, 51, .06);
}

.step-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  margin-bottom: 19px;
}

.step h3, .audience-card h3, .benefit h3 { font-size: 1.35rem; }
.step p, .audience-card p, .benefit p { color: var(--muted); margin-bottom: 0; }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.audience-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 25px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.audience-card h3 { font-size: clamp(1.7rem, 2.4vw, 2.2rem); }

.audience-card .example {
  margin: 19px 0 0;
  background: #f3f7fa;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px;
  color: #24384b;
  font-weight: 750;
}

.audience-card .btn { margin-top: 22px; }
.audience-card img { border-radius: 22px; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 17px;
}

.benefit {
  padding: 23px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
}

.benefit-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: #eefcf4;
  color: var(--brand-dark);
  font-weight: 950;
  margin-bottom: 18px;
}

.cta-band {
  padding: 78px 0;
}

.cta-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  border-radius: 38px;
  padding: clamp(30px, 5vw, 56px);
  background: radial-gradient(circle at 92% 18%, rgba(36,211,102,.33), transparent 32%), var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}

.cta-card h2 { font-size: clamp(2rem, 4.3vw, 3.6rem); }
.cta-card p { color: #cbd8e4; font-size: 1.12rem; max-width: 680px; margin: 16px 0 0; }

.cta-actions { display: flex; flex-wrap: wrap; gap: 13px; }

.cta-card .btn-ghost {
  background: rgba(255,255,255,.09);
  color: #fff;
  border-color: rgba(255,255,255,.22);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
}

.faq-item h3 { font-size: 1.1rem; letter-spacing: -0.02em; }
.faq-item p { color: var(--muted); margin-bottom: 0; }

.notice {
  border: 1px dashed #96b1c7;
  border-radius: 18px;
  padding: 16px 18px;
  background: #f4f8fb;
  color: #405164;
  margin-top: 26px;
  font-size: .95rem;
}

.notice code {
  background: #e8eff6;
  border-radius: 7px;
  padding: 2px 6px;
}

.notice--pulse {
  animation: pulseNotice 1.2s ease;
}

@keyframes pulseNotice {
  0%, 100% { box-shadow: none; }
  45% { box-shadow: 0 0 0 8px rgba(36,211,102,.18); }
}

.site-footer {
  padding: 46px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  color: var(--muted);
}

.footer-inner strong { color: var(--ink); }

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-weight: 750;
}

.footer-links a:hover { color: var(--brand-dark); }

@media (max-width: 980px) {
  .hero-grid, .audience-grid, .audience-card, .cta-card { grid-template-columns: 1fr; }
  .steps, .benefits-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-media { order: -1; }
  .cta-actions { justify-content: flex-start; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, var(--max)); }
  .site-nav {
    position: absolute;
    inset: 78px 14px auto;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow);
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
  }
  .site-nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .menu-toggle { display: inline-block; }
  .hero { padding-top: 38px; }
  .hero-grid { gap: 28px; }
  .hero-points, .steps, .benefits-grid, .faq-grid { grid-template-columns: 1fr; }
  .audience-card { padding: 20px; }
  .section { padding: 54px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}