/* =============================================
   Protokół 17:00™ — typograficzny landing page
   ============================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --text: #111111;
  --text-muted: #555555;
  --bg: #ffffff;
  --bg-alt: #f7f7f5;
  --accent: #1a1aff;
  --accent-hover: #0000cc;
  --border: #e0e0e0;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 680px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ========================
   LAYOUT
   ======================== */

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

.section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-alt {
  background: var(--bg-alt);
}

.section-cta {
  background: var(--bg-alt);
}

/* ========================
   TYPOGRAFIA
   ======================== */

h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 20px;
}

h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 8px;
}

p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

p:last-child {
  margin-bottom: 0;
}

p strong {
  color: var(--text);
  font-weight: 600;
}

ul {
  padding-left: 20px;
  color: var(--text-muted);
}

ul li {
  margin-bottom: 6px;
}

ul li:last-child {
  margin-bottom: 0;
}

/* ========================
   HERO
   ======================== */

.hero {
  padding: 96px 0 80px;
}

.overline {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.lead {
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.product-block {
  border-left: 3px solid var(--text);
  padding: 16px 20px;
  margin-bottom: 40px;
}

.product-block .product-name {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.product-block p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 0;
}

.note {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ========================
   PRZYCISKI
   ======================== */

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text);
  color: #ffffff;
  border: 2px solid var(--text);
}

.btn-primary:hover {
  background: #333333;
  border-color: #333333;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--text);
}

.btn-secondary:hover {
  background: var(--text);
  color: #ffffff;
}

/* ========================
   SYMPTOMY
   ======================== */

.symptom {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.symptom:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.symptom h3 {
  margin-bottom: 8px;
}

/* ========================
   KOSZTY
   ======================== */

.cost-item {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.cost-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.cost-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}

/* ========================
   KROKI PROCESU
   ======================== */

.step {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.step-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.result {
  background: #f0f0f0;
  border-left: 3px solid var(--text);
  padding: 12px 16px;
  border-radius: 0 4px 4px 0;
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 0;
}

/* ========================
   KORZYŚCI
   ======================== */

.benefit {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.benefit:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* ========================
   CTA BLOKI
   ======================== */

.cta-block {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.cta-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.cta-block h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-block p {
  margin-bottom: 20px;
}

/* ========================
   FOOTER
   ======================== */

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.footer-copy {
  font-size: 13px;
}

/* ========================
   RESPONSYWNOŚĆ
   ======================== */

@media (max-width: 600px) {
  body {
    font-size: 17px;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .section {
    padding: 56px 0;
  }

  .cta-group {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
}