:root {
  --blue: #3f88d1;
  --blue-dark: #2d5fa7;
  --blue-soft: #eaf4fc;
  --cyan: #6ad3de;
  --text: #17324d;
  --muted: #5a7188;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(31, 76, 122, 0.12);
  --radius: 22px;
  --max: 1200px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(63,136,209,.10), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #edf6fc 100%);
  line-height: 1.55;
}

.postup-container {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.postup-hero {
  position: relative;
  overflow: hidden;
  padding: 42px 0 56px;
  background:
    linear-gradient(135deg, rgba(63,136,209,0.07), rgba(106,211,222,0.14)),
    #fff;
}

.postup-hero::before,
.postup-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% 10% auto;
  width: 60vw;
  height: 220px;
  background: linear-gradient(90deg, rgba(63,136,209,0.08), rgba(106,211,222,0.18));
  border-radius: 999px;
  transform: rotate(-10deg);
  filter: blur(2px);
  pointer-events: none;
}

.postup-hero::after {
  inset: auto -14% -4% auto;
  height: 160px;
  opacity: .7;
}

.postup-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 36px;
  align-items: center;
}

.postup-brand {
  font-size: clamp(2.3rem, 6vw, 5rem);
  line-height: .95;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--blue);
  margin: 0 0 18px;
}

.postup-headline {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.08;
  color: var(--blue);
  margin: 0 0 18px;
  max-width: 12ch;
}

.postup-lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 28px;
}

.postup-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.postup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.postup-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.postup-btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
}

.postup-btn-secondary {
  background: rgba(63, 136, 209, 0.10);
  color: var(--blue-dark);
}

.postup-hero-card {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f0f8ff 100%);
  border: 1px solid rgba(63,136,209,.12);
  border-radius: 28px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.postup-hero-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 18px;
  display: block;
  background: linear-gradient(135deg, #dceeff, #ffffff);
}

.postup-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.postup-badge {
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--blue-dark);
  font-weight: 700;
  font-size: .95rem;
  border: 1px solid rgba(63,136,209,.14);
}

.postup-section {
  padding: 72px 0;
}

.postup-section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
  text-align: center;
  color: var(--blue);
  margin: 0 0 14px;
}

.postup-section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 68ch;
  margin: 0 auto 42px;
}

.postup-steps {
  display: grid;
  gap: 22px;
}

.postup-step {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  align-items: stretch;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(63,136,209,.12);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(32, 83, 128, 0.07);
}

.postup-step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  font-weight: 900;
  color: white;
  background: linear-gradient(180deg, var(--cyan), var(--blue-dark));
  min-height: 100%;
}

.postup-step-content {
  padding: 28px 26px;
}

.postup-step h3 {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.15;
}

.postup-step p {
  margin: 0 0 14px;
}

.postup-step ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
}

.postup-step li + li {
  margin-top: 6px;
}

.postup-highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.postup-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(63,136,209,.12);
  box-shadow: var(--shadow);
}

.postup-card h3 {
  margin: 0 0 12px;
  font-size: 1.45rem;
  color: var(--blue);
}

.postup-card p,
.postup-card li {
  color: var(--text);
}

.postup-card ul {
  margin: 0;
  padding-left: 20px;
}

.postup-cta {
  padding: 72px 0 86px;
}

.postup-cta-box {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: #fff;
  padding: 38px;
  border-radius: 28px;
  box-shadow: var(--shadow);
  text-align: center;
}

.postup-cta-box h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
}

.postup-cta-box p {
  max-width: 60ch;
  margin: 0 auto 22px;
  color: rgba(255,255,255,.92);
}

.postup-cta-box .postup-btn-primary {
  background: #fff;
  color: var(--blue-dark);
}

@@media (max-width: 980px) {
  .postup-hero-grid,
  .postup-highlight-grid {
    grid-template-columns: 1fr;
  }
}

@@media (max-width: 720px) {
  .postup-section {
    padding: 56px 0;
  }

  .postup-step {
    grid-template-columns: 1fr;
  }

  .postup-step-number {
    min-height: 86px;
  }

  .postup-hero {
    padding-top: 28px;
  }

  .postup-cta-box,
  .postup-card,
  .postup-step-content,
  .postup-hero-card {
    padding: 22px;
  }
}