/* SuperSoftware – moderní firemní web */
:root {
  --primary: #1847b8;
  --primary-dark: #0f3290;
  --primary-light: #3d6ae8;
  --accent: #06b6d4;
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-muted: #64748b;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

section[id] { scroll-margin-top: var(--header-h); }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover { color: var(--primary); }

.logo__icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  font-size: 0.875rem;
}

.nav { display: flex; align-items: center; gap: 0.25rem; }

.nav__link {
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary);
  background: rgba(24, 71, 184, 0.08);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text);
}

.hero {
  padding: calc(var(--header-h) + 4rem) 0 5rem;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a6e 50%, var(--primary) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(61, 106, 232, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: 1.125rem;
  opacity: 0.85;
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn--primary {
  background: var(--white);
  color: var(--primary);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: var(--primary-dark);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.btn--solid {
  background: var(--primary);
  color: var(--white);
}

.btn--solid:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
}

.hero__steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.step-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.step-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 0.875rem;
  color: var(--accent);
}

.step-card__icon svg { width: 24px; height: 24px; }

.step-card h3 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.step-card__text {
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  opacity: 0.75;
}

.section { padding: 5rem 0; }
.section--alt { background: var(--white); }

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.choice-card {
  background: var(--white);
  border: 2px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.choice-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.choice-card--highlight {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(24, 71, 184, 0.04) 0%, var(--white) 100%);
}

.choice-card__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  margin-bottom: 1.25rem;
}

.choice-card__icon svg { width: 26px; height: 26px; }

.choice-card h3 {
  font-size: 1.375rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.choice-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.choice-card__list {
  list-style: none;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.choice-card__list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.choice-card__list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 800;
}

.choice-card .btn { align-self: flex-start; }

.products__note {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.products__note a { font-weight: 700; }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section__header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section__header p {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 23, 42, 0.04);
  transition: all var(--transition);
}

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

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  margin-bottom: 1.25rem;
}

.feature-card__icon svg { width: 26px; height: 26px; }

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.product-card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
  position: relative;
}

.product-card:hover { transform: translateY(-4px); }

.product-card--link {
  display: block;
  color: var(--white);
  text-decoration: none;
}

.product-card--link:hover { color: var(--white); }

.product-card__more {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  opacity: 0.85;
  position: relative;
}

.product-card--link:hover .product-card__more { opacity: 1; }

.product-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.product-card h3 {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 0.625rem;
  position: relative;
}

.product-card p {
  opacity: 0.9;
  font-size: 0.875rem;
  line-height: 1.6;
  position: relative;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split__visual {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.split__visual svg { width: 40%; opacity: 0.3; }

.split__phone {
  position: absolute;
  width: 45%;
  background: var(--white);
  border-radius: 24px;
  padding: 1rem;
  box-shadow: var(--shadow-lg);
}

.split__phone-screen {
  background: var(--bg);
  border-radius: 16px;
  aspect-ratio: 9/16;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
}

.split__phone-bar {
  height: 8px;
  background: var(--primary);
  border-radius: 4px;
  opacity: 0.3;
}

.split__phone-bar:nth-child(2) { width: 70%; }
.split__phone-bar:nth-child(3) { width: 85%; opacity: 0.2; }
.split__phone-bar:nth-child(4) { width: 60%; opacity: 0.15; }

.split h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.split p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
}

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.9375rem;
}

.check-list li::before {
  content: '✓';
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  background: rgba(24, 71, 184, 0.1);
  color: var(--primary);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.about-card--accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.about-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.about-card p {
  line-height: 1.7;
  opacity: 0.9;
}

.about-card p + p { margin-top: 1rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

.contact-grid--stack { grid-template-columns: 1fr; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 23, 42, 0.04);
  transition: all var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contact-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(24, 71, 184, 0.08);
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  color: var(--primary);
}

.contact-card__icon svg { width: 28px; height: 28px; }

.contact-card h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.contact-card p,
.contact-card a {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
}

.contact-card a:hover { color: var(--primary); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form__title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.form__hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.form__group { margin-bottom: 1.25rem; }

.form__label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition);
  background: var(--bg);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}

.form__textarea { min-height: 140px; resize: vertical; }

.form__group--hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__status {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.form__status--success {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.form__status--error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.form .btn--primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form .btn--primary {
  background: var(--primary);
  color: var(--white);
  width: 100%;
  justify-content: center;
}

.form .btn--primary:hover {
  background: var(--primary-dark);
  color: var(--white);
}

.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__brand p {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer ul { list-style: none; }
.footer li { margin-bottom: 0.5rem; }

.footer a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.footer a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero__grid,
  .split,
  .about-grid,
  .contact-layout,
  .footer__grid,
  .choice-grid {
    grid-template-columns: 1fr;
  }

  .stats { grid-template-columns: 1fr; }
  .nav__toggle { display: block; }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    width: 100%;
    text-align: center;
    padding: 0.875rem;
  }
}

@media (max-width: 600px) {
  .hero__steps { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .section { padding: 3.5rem 0; }
}