/* Venovex, stylesheet */
/* Zaprojektowane 2026-04-18 */

:root {
  --black: #0a0a0a;
  --ink: #1a1a1a;
  --gray-700: #404040;
  --gray-500: #737373;
  --gray-300: #d4d4d4;
  --gray-100: #f5f5f5;
  --white: #ffffff;
  --accent: #0c7a4c;
  --accent-hover: #0a6640;
  --accent-light: #e8f5ef;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.main-nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}

.main-nav a:hover {
  color: var(--black);
}

.btn-small {
  background: var(--black);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px !important;
}

.btn-small:hover {
  background: var(--accent) !important;
}

/* HERO */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-100) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

.hero h1 {
  font-size: clamp(32px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

/* HERO, MOCK CHAT */
.hero-mock {
  display: flex;
  justify-content: center;
  align-items: center;
}

.chat-window {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 6px 18px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transform: rotate(-1deg);
  transition: transform 0.4s ease;
}

.chat-window:hover {
  transform: rotate(0deg);
}

.chat-header {
  background: var(--black);
  color: var(--white);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px rgba(12, 122, 76, 0.25);
}

.chat-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.chat-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--gray-100);
}

.chat-bubble {
  max-width: 78%;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.45;
  border-radius: 14px;
  animation: bubbleIn 0.4s ease both;
}

.chat-bubble.patient {
  background: var(--white);
  color: var(--ink);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid var(--gray-100);
}

.chat-bubble.bot {
  background: var(--accent);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-bubble:nth-child(1) { animation-delay: 0.1s; }
.chat-bubble:nth-child(2) { animation-delay: 0.5s; }
.chat-bubble:nth-child(3) { animation-delay: 0.9s; }
.chat-bubble:nth-child(4) { animation-delay: 1.3s; }

@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-footer {
  padding: 10px 20px 14px;
  font-size: 12px;
  color: var(--gray-500);
  text-align: center;
  background: var(--gray-100);
  border-top: 1px solid var(--gray-300);
}

.accent {
  color: var(--accent);
}

.lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--gray-700);
  max-width: 680px;
  margin-bottom: 36px;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn-primary, .btn-ghost {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  color: var(--black);
  background: transparent;
  border: 1.5px solid var(--gray-300);
}

.btn-ghost:hover {
  border-color: var(--black);
  background: var(--white);
}

.hero-note {
  color: var(--gray-500);
  font-size: 14px;
  margin-top: 8px;
}

/* SECTIONS GENERAL */
section {
  padding: 80px 0;
}

section h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.8px;
  margin-bottom: 48px;
  max-width: 720px;
}

.subtle {
  color: var(--gray-500);
  font-size: 16px;
  margin-top: -32px;
  margin-bottom: 40px;
}

/* GRIDS */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 720px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

/* CARDS */
.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.2s;
}

.card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
  color: var(--black);
}

.card p {
  color: var(--gray-700);
  font-size: 15px;
  line-height: 1.6;
}

.problems {
  background: var(--white);
}

/* SOLUTION, STEPS */
.solution {
  background: var(--gray-100);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.step-content h3 {
  font-size: 19px;
  margin-bottom: 8px;
  color: var(--black);
}

.step-content p {
  color: var(--gray-700);
  font-size: 15px;
}

/* PRICING */
.pricing {
  background: var(--white);
}

.plan {
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan.featured {
  border: 2px solid var(--accent);
  background: var(--accent-light);
}

.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.price {
  font-size: 40px;
  font-weight: 700;
  color: var(--black);
  margin: 10px 0 20px;
  line-height: 1;
  letter-spacing: -1px;
}

.price span {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-500);
  margin-left: 6px;
  letter-spacing: 0;
}

.plan ul {
  list-style: none;
  flex-grow: 1;
}

.plan li {
  padding: 10px 0;
  padding-left: 24px;
  position: relative;
  font-size: 15px;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

.plan li:last-child {
  border-bottom: none;
}

.plan li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.cta-below {
  text-align: center;
  margin-top: 40px;
}

/* TRUST / QUOTE */
.trust {
  background: var(--black);
  color: var(--white);
}

.trust h2 {
  color: var(--white);
}

.quote-box {
  max-width: 820px;
  background: var(--ink);
  padding: 48px;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
}

.quote {
  font-size: 20px;
  line-height: 1.6;
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 400;
}

.quote-caption {
  color: var(--gray-500);
  font-size: 15px;
  font-style: italic;
}

/* FAQ */
.faq {
  background: var(--gray-100);
}

.faq details {
  background: var(--white);
  padding: 20px 24px;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-100);
  cursor: pointer;
  transition: all 0.2s;
}

.faq details[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq summary {
  font-weight: 600;
  font-size: 16px;
  color: var(--black);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq summary::after {
  content: "+";
  font-size: 24px;
  color: var(--gray-500);
  transition: transform 0.2s;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq details p {
  margin-top: 14px;
  color: var(--gray-700);
  font-size: 15px;
  line-height: 1.6;
}

/* CONTACT */
.contact {
  background: var(--white);
  text-align: center;
}

.contact h2 {
  margin-left: auto;
  margin-right: auto;
}

.contact .lead {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.contact-method {
  display: block;
  background: var(--gray-100);
  padding: 24px 40px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--black);
  transition: all 0.2s;
  border: 1px solid transparent;
}

.contact-method:hover {
  background: var(--white);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.method-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.method-value {
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
}

.contact-note {
  color: var(--gray-500);
  font-size: 14px;
}

/* FOOTER */
.site-footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 48px 0 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--gray-700);
}

.site-footer .logo {
  color: var(--white);
  margin-bottom: 8px;
}

.footer-tag {
  font-size: 14px;
  color: var(--gray-500);
  max-width: 380px;
}

.footer-contact a {
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid var(--gray-700);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.footer-contact a:hover {
  border-color: var(--accent);
}

.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }

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

  section h2 {
    margin-bottom: 36px;
  }

  .main-nav {
    gap: 16px;
  }

  .main-nav a:not(.btn-small) {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary, .btn-ghost {
    text-align: center;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .quote-box {
    padding: 32px 24px;
  }

  .quote {
    font-size: 17px;
  }

  .footer-top {
    flex-direction: column;
  }
}

/* ACCESSIBILITY */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* PRINT */
@media print {
  .site-header, .btn-primary, .btn-ghost, .btn-small {
    display: none;
  }
}