/* =========================================================
   V43 — Venture 43 Sp. z o.o.
   Landing page styles
   ========================================================= */

:root {
  --navy:        #0a1628;
  --navy-2:      #0d1f3c;
  --navy-3:      #102a55;
  --blue:        #1a6ef5;
  --blue-dark:   #1558d6;
  --cyan:        #00d4ff;
  --green:       #00c46b;
  --purple:      #8250dc;
  --teal:        #00b8a3;
  --white:       #ffffff;
  --gray:        #8a9bb5;
  --gray-2:      #4a5a7a;
  --text:        #1a2340;
  --light-bg:    #f6f8fc;
  --border:      #e2e8f0;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* =========================================================
   NAV
   ========================================================= */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 60px;
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  width: 38px;
  height: 42px;
  object-fit: contain;
}

.logo-text {
  color: #fff;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: var(--gray);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.78);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: #fff; }

.nav-cta {
  padding: 10px 22px;
  border: 1.5px solid #fff;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: all .2s;
}
.nav-cta:hover {
  background: #fff;
  color: var(--navy);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  background:
    linear-gradient(135deg, #061120 0%, #0a1f3f 50%, #0d2a55 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 60px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 75% 50%, rgba(26,110,245,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 30% 80%, rgba(0,212,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 15%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 70%, rgba(255,255,255,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 90%, rgba(0,212,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 5%, rgba(0,212,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 55%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 30%, rgba(0,212,255,0.4) 0%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  gap: 40px;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-tag {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-tag span { margin-right: 8px; }

.hero h1 {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 54px;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-family: 'Sora', sans-serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 22px;
  color: rgba(255,255,255,0.92);
}
.hero-sub .acc-green { color: var(--green); }
.hero-sub .acc-cyan  { color: var(--cyan); }

.hero-desc {
  color: rgba(255,255,255,0.68);
  font-size: 15.5px;
  line-height: 1.75;
  margin-bottom: 38px;
  max-width: 480px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: #fff;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(26,110,245,0.35);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(26,110,245,0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: all .2s;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.45);
}

/* Hero visual */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-visual img {
  width: 100%;
  max-width: 560px;
  height: auto;
  /* The PNG has alpha transparency on the dark background — blends naturally with the hero */
  filter: drop-shadow(0 0 80px rgba(26,110,245,0.55));
  animation: floatY 6s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

/* =========================================================
   FEATURES
   ========================================================= */
.features {
  padding: 70px 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1300px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.feature-card {
  text-align: center;
  padding: 20px 10px;
}

.feat-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.feat-icon svg { width: 26px; height: 26px; }
.feat-icon.green  { background: rgba(0,196,107,0.10); color: var(--green); }
.feat-icon.blue   { background: rgba(26,110,245,0.10); color: var(--blue); }
.feat-icon.purple { background: rgba(130,80,220,0.10); color: var(--purple); }
.feat-icon.teal   { background: rgba(0,184,163,0.10); color: var(--teal); }

.feature-card h3 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text);
}
.feature-card p {
  color: var(--gray);
  font-size: 13.5px;
  line-height: 1.65;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-section {
  padding: 80px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 50px;
  align-items: start;
  max-width: 1300px;
  margin: 0 auto;
}

.about-img {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(10,22,40,0.18);
  position: relative;
}
.about-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.section-accent {
  width: 40px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 18px;
}

.about-text h2 {
  font-family: 'Sora', sans-serif;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.about-text p {
  color: var(--gray-2);
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 14px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 11px 22px;
  border: 1.5px solid var(--blue);
  border-radius: 7px;
  color: var(--blue);
  font-weight: 600;
  font-size: 14px;
  transition: all .2s;
}
.btn-outline:hover {
  background: var(--blue);
  color: #fff;
}

/* =========================================================
   PRODUCTS
   ========================================================= */
.products-section {
  padding: 80px 60px;
  background: var(--light-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-header h2 {
  font-family: 'Sora', sans-serif;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.section-header p {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.6;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1300px;
  margin: 0 auto;
}

.product-card {
  background: #fff;
  border-radius: 14px;
  padding: 30px;
  border: 1px solid var(--border);
  transition: box-shadow .25s, transform .2s, border-color .2s;
}
.product-card:hover {
  box-shadow: 0 12px 36px rgba(26,110,245,0.10);
  transform: translateY(-4px);
  border-color: rgba(26,110,245,0.2);
}

.product-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.product-icon svg { width: 24px; height: 24px; }
.prod-green  { background: rgba(0,196,107,0.10); color: var(--green); }
.prod-purple { background: rgba(130,80,220,0.10); color: var(--purple); }
.prod-blue   { background: rgba(26,110,245,0.10); color: var(--blue); }

.product-card h3 {
  font-family: 'Sora', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-card h3.green  { color: var(--green); }
.product-card h3.purple { color: var(--purple); }
.product-card h3.blue   { color: var(--blue); }

.product-card > p {
  color: var(--gray-2);
  font-size: 13.5px;
  line-height: 1.65;
  margin-bottom: 18px;
}

.product-features {
  list-style: none;
  margin-bottom: 24px;
}
.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
  color: #3a4a6a;
  margin-bottom: 8px;
  line-height: 1.55;
}
.product-features li::before {
  content: '✓';
  font-weight: 700;
  margin-top: 1px;
  flex-shrink: 0;
  color: var(--blue);
}
.product-features.green li::before  { color: var(--green); }
.product-features.purple li::before { color: var(--purple); }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  transition: gap .2s;
}
.link-more.green  { color: var(--green); }
.link-more.purple { color: var(--purple); }
.link-more.blue   { color: var(--blue); }
.link-more:hover { gap: 10px; }

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta-banner {
  margin: 0 60px 60px;
  background: linear-gradient(135deg, #0a1628 0%, #0d2245 60%, #102e5e 100%);
  border-radius: 18px;
  padding: 50px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  box-shadow: 0 20px 60px rgba(10,22,40,0.20);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(26,110,245,0.25) 0%, transparent 50%);
}

.cta-left {
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.cta-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(26,110,245,0.45);
}
.cta-icon svg { width: 24px; height: 24px; color: #fff; }

.cta-text h2 {
  font-family: 'Sora', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.cta-text p {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  max-width: 400px;
  line-height: 1.6;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--blue);
  color: #fff;
  white-space: nowrap;
  padding: 16px 32px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  transition: background .2s, transform .15s, box-shadow .2s;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 6px 20px rgba(26,110,245,0.4);
}
.btn-cta:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  background: var(--navy);
  padding: 50px 60px 30px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  color: #fff;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.footer-brand .logo-text { color: rgba(255,255,255,0.92); }
.footer-brand .logo-text span { color: rgba(255,255,255,0.4); }

.footer-tagline {
  color: rgba(255,255,255,0.4);
  font-size: 13px;
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  color: rgba(255,255,255,0.92);
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  list-style: none;
}
.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  transition: color .2s;
}
.footer-links a:hover { color: #fff; }

.footer-contact { list-style: none; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  margin-bottom: 12px;
}
.footer-contact li svg {
  width: 14px;
  height: 14px;
  color: rgba(0,212,255,0.8);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: 12px;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

/* =========================================================
   ANIMATIONS
   ========================================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Animate only when CSS animations are supported & user doesn't prefer reduced motion */
@media (prefers-reduced-motion: no-preference) {
  .hero-content > * { animation: fadeUp .7s ease both; }
  .hero-tag    { animation-delay: .10s; }
  .hero h1     { animation-delay: .20s; }
  .hero-sub    { animation-delay: .30s; }
  .hero-desc   { animation-delay: .40s; }
  .hero-btns   { animation-delay: .50s; }
  .hero-visual { animation: fadeUp .9s .3s ease both; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  nav { padding: 14px 30px; }
  .nav-links { display: none; }
  .hero { padding: 110px 30px 60px; }
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero h1 { font-size: 42px; }

  .features { grid-template-columns: repeat(2, 1fr); padding: 60px 30px; }
  .about-section {
    grid-template-columns: 1fr;
    padding: 60px 30px;
    gap: 40px;
  }
  .products-section { padding: 60px 30px; }
  .products-grid { grid-template-columns: 1fr; }
  .cta-banner {
    margin: 0 30px 40px;
    padding: 36px 30px;
    flex-direction: column;
    text-align: center;
  }
  .cta-left { flex-direction: column; }
  footer { padding: 40px 30px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 600px) {
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 18px; }
}
