:root {
  --bg: #0a0a0a;
  --bg-soft: #121212;
  --bg-elevated: #161616;
  --gold: #c8a45d;
  --gold-soft: rgba(200, 164, 93, 0.2);
  --text: #ffffff;
  --muted: #a0a0a0;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;

  --fs-body: clamp(15px, 1.1vw, 17px);
  --fs-h1: clamp(32px, 5vw, 56px);
  --fs-h2: clamp(26px, 3.5vw, 44px);
  --fs-h3: clamp(20px, 2.4vw, 32px);
  --fs-p: clamp(14px, 1vw, 17px);
}

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

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 48px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0));
  backdrop-filter: blur(6px);
}

.logo {
  font-weight: 700;
  letter-spacing: 4px;
}

.logo span {
  color: var(--gold);
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 40px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all .25s ease;
}

.btn-outline {
  border: 1px solid var(--gold);
  color: var(--gold);
}

.btn-outline:hover {
  background: var(--gold);
  color: #000;
}

.btn-gold {
  background: var(--gold);
  color: #000;
}

.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px var(--gold-soft);
}

/* HERO */
.hero {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  padding: 0 48px;
  background: url("hero-desktop.jpg") top / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right,
      rgba(0, 0, 0, .8),
      rgba(0, 0, 0, .45));
}

.hero-content {
  position: relative;
  max-width: 720px;
  z-index: 2;
}

.hero h1 {
  font-size: var(--fs-h1);
  line-height: 1.15;
}

.hero h1 span {
  color: var(--gold);
}

.hero p {
  margin: 26px 0 34px;
  color: var(--muted);
  max-width: 520px;
}

/* STATS */
.stats {
  padding: 80px 48px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg-soft);
  padding: 28px;
  border-radius: var(--radius-md);
  transition: transform .25s ease, box-shadow .25s ease;
}

.card img,
.card canvas {
  display: block;
  max-width: 100%;
}


.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .4);
}

.card img {
  width: 100%;
  border-radius: var(--radius-sm);
}

.highlight h3 {
  color: var(--gold);
  font-size: var(--fs-h3);
}

.chart-title {
  margin-bottom: 20px;
  font-weight: 600;
}

.kpi-title {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  opacity: .7;
}

.kpi-value {
  font-size: clamp(34px, 4vw, 48px);
  margin: 18px 0;
}

.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 20px 0;
  opacity: .5;
}

.date {
  font-size: 12px;
  opacity: .6;
}

/* SECTIONS */
.security,
.why,
.faq,
.cta {
  padding: 80px 48px;
}

/* SECURITY */
.security-box {
  background: linear-gradient(145deg, #131313, #0b0b0b);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  gap: 32px;
  align-items: center;
}

.security-box img {
  width: 180px;
}

.security li {
  margin-bottom: 20px;
  color: var(--muted);
}

/* WHY */
.why-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.why-card {
  background: var(--bg-soft);
  padding: 28px;
  margin-bottom: 10px;
  border-radius: var(--radius-md);
}

.why-proof img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .7);
}

/* FAQ */
.faq-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.faq-item {
  background: var(--bg-soft);
  padding: 26px;
  border-radius: var(--radius-md);
}

/* CTA */
.cta {
  text-align: center;
  background: radial-gradient(circle at top, rgba(200, 164, 93, .15), transparent 60%);
}

.cta p {
  color: var(--muted);
  margin: 16px 0 28px;
}

/* FOOTER */
footer {
  padding: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .stats {
    grid-template-columns: repeat(1, 1fr);
    padding: 60px 24px 30px;
  }

  .security-box {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 18px 20px;
  }

  .hero {
    padding: 0 20px;
  }

  .stats {
    grid-template-columns: 1fr;
    padding: 24px 16px;
  }

  .card {
    max-width: 100%;
  }

  .security,
  .why,
  .faq,
  .cta {
    padding: 60px 20px;
  }
}

@media (max-width: 480px) {

  /* WHY — tło zamiast grafiki */
  .why {
    position: relative;
    padding: 56px 20px;
    background:
      linear-gradient(
        rgba(0, 0, 0, 0.75),
        rgba(0, 0, 0, 0.404)
      ),
      url("/assets/img/of-panel4.png") top / cover no-repeat;
  }

  /* usuń fizyczną grafikę */
  .why-proof {
    display: none;
  }

  /* jedna kolumna, ciaśniej */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 24px;
  }

  /* karty jako overlay na tle */
  .why-card {
    background: rgba(18, 18, 18, 0.664);
    backdrop-filter: blur(6px);
    padding: 18px 20px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  }

  .why-card h3 {
    font-size: 18px;
    margin-bottom: 6px;
  }

  .why-card p {
    font-size: 14px;
    line-height: 1.45;
    color: #d1d1d1;
  }

}

@media (max-width: 680px) {
#kpiCard {
  display: flex;
  flex-direction: column;
  height: 240px!important;
}


}