/* =========================================================================
   GRANTOVKA — PREZENTAČNÍ WEB — STYLY
   Inspirováno vizuální identitou projektu Grantovka
   ========================================================================= */

:root {
  --primary-color: #1E9C72;       /* Emerald Grant Green */
  --primary-hover: #167a58;
  --primary-light: #E6F6F0;
  --secondary-color: #246BCE;     /* Royal Tech Blue */
  --secondary-hover: #1b54a3;
  --dark-color: #102A43;          /* Slate Navy */
  --light-bg: #F7FAFC;
  --card-border: #E2E8F0;
  --accent-purple: #8C61EC;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--dark-color);
  background-color: #ffffff;
  line-height: 1.6;
}

/* NAVBAR */
.navbar {
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

.navbar-brand {
  font-weight: 800;
  color: var(--dark-color) !important;
  font-size: 1.45rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  background: var(--primary-light);
  color: var(--primary-color);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid rgba(30, 156, 114, 0.2);
}

.nav-link {
  font-weight: 600;
  color: var(--dark-color);
  margin: 0 0.5rem;
  transition: color 0.2s;
}

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

/* HERO SECTION */
.hero-section {
  padding: 5rem 0 4.5rem;
  background: linear-gradient(180deg, #F0FDF4 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(30, 156, 114, 0.2);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.18;
  color: var(--dark-color);
  letter-spacing: -0.02em;
}

.hero-title .text-emerald {
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #486581;
  margin-bottom: 2.2rem;
}

.btn-grant-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--primary-color);
  color: #ffffff;
  font-weight: 700;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.btn-grant-primary:hover {
  color: #ffffff;
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(30, 156, 114, 0.25);
}

.btn-grant-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #ffffff;
  color: var(--dark-color);
  border: 1px solid var(--card-border);
  font-weight: 700;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.2s, border-color 0.2s;
}

.btn-grant-secondary:hover {
  color: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
}

/* STATS SECTION */
.stats-section {
  background: var(--dark-color);
  color: #ffffff;
  padding: 3rem 2.5rem;
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(16, 42, 67, 0.12);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #34D399;
}

/* FEATURE CARDS */
.feature-card {
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.2rem;
  background: #ffffff;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(16, 42, 67, 0.08);
  border-color: var(--primary-color);
}

.feature-icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.4rem;
}

/* SCREENSHOT MOCKUP & GALLERY */
.app-mockup {
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(16, 42, 67, 0.16);
  border: 6px solid #ffffff;
  width: 100%;
  max-width: 480px;
}

.screenshot-card {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(16, 42, 67, 0.08);
  border: 3px solid #ffffff;
  transition: transform 0.3s, box-shadow 0.3s;
  background: #ffffff;
  height: 100%;
}

.screenshot-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(30, 156, 114, 0.18);
}

.screenshot-img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  padding: 1.25rem;
  text-align: center;
}

/* CTA BANNER */
.cta-banner {
  background: linear-gradient(135deg, var(--dark-color) 0%, #1a365d 100%);
  color: #ffffff;
  border-radius: 28px;
  padding: 4rem 2rem;
  box-shadow: 0 20px 50px rgba(16, 42, 67, 0.2);
}

/* FOOTER */
footer {
  background: #0b1d30;
  color: #9fb3c8;
  padding: 4.5rem 0 2.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

footer a {
  color: #e2e8f0;
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: #34D399;
}

.legal-content {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  padding: 3rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}