/* Forward Fitness Club - Modern Black/Gray/White + Hover/Zoom Effects */

/* ========= Reset ========= */
html, body, header, nav, main, footer, h1, h2, h3, p, ul, li, img {
  margin: 0;
  padding: 0;
  border: 0;
}
* { box-sizing: border-box; }

/* ========= Base ========= */
body {
  background-color: #f4f4f4;
  font-family: Verdana, Arial, sans-serif;
  color: #222;
  line-height: 1.5;
}

/* Container (keeps your original id name) */
#container {
  width: 90%;
  max-width: 1200px;
  margin: 20px auto;
  background-color: #ffffff;
  border: 1px solid #ccc;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  overflow: hidden;
}

/* ========= Header ========= */
header {
  text-align: center;
  padding: 20px 2%;
  background: #fff;
}

header img {
  display: block;
  margin: 0 auto 10px;
  transition: transform 250ms ease, filter 250ms ease;
}

header img:hover {
  transform: scale(1.02);
  filter: drop-shadow(0 6px 18px rgba(0,0,0,0.15));
}

header h1 {
  font-size: 2.2rem;
  color: #111;
  letter-spacing: 0.5px;
}

/* ========= Navigation ========= */
nav {
  background-color: #000;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  flex-wrap: wrap;
}

nav li { display: inline-block; }

nav a {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 6px;
  transition: color 200ms ease, background-color 200ms ease, transform 180ms ease, box-shadow 200ms ease;
}

nav a:hover {
  background-color: #555;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

nav a.active {
  background-color: #555;
}

/* ========= Main ========= */
main {
  padding: 24px 2%;
  text-align: center;
}

main h2 {
  font-size: 1.8rem;
  color: #111;
  margin-bottom: 8px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

main p, main ul {
  max-width: 900px;
  margin: 0.5rem auto 0;
  color: #333;
}

main ul { text-align: left; padding-left: 1.2rem; }

/* Images in content */
.main-image,
main img {
  display: block;
  width: 100%;
  height: auto;
  margin: 16px auto;
  border-radius: 10px;
  transform: translateZ(0); /* GPU hint */
  transition: transform 280ms ease, box-shadow 280ms ease, filter 280ms ease;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  filter: grayscale(6%);
}

.main-image:hover,
main img:hover {
  transform: scale(1.04);
  box-shadow: 0 16px 36px rgba(0,0,0,0.20);
  filter: grayscale(0%);
}

/* ========= Footer ========= */
footer {
  text-align: center;
  background-color: #000;
  color: #eee;
  padding: 16px 2%;
  border-top: 2px solid #555;
  font-size: 0.95rem;
}

/* ========= Accessibility: reduce motion ========= */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* ========= Tablet ========= */
@media screen and (min-width: 620px) {
  header h1 { font-size: 2.6rem; }
  main h2 { font-size: 2rem; }
  nav a { padding: 12px 18px; }
}

/* ========= Desktop ========= */
@media screen and (min-width: 1000px) {
  #container { margin: 28px auto; }
  header h1 { font-size: 2.8rem; }
  main h2 { font-size: 2.1rem; }

  /* Slightly larger shadows on desktop for depth */
  .main-image,
  main img {
    box-shadow: 0 8px 22px rgba(0,0,0,0.10);
  }
  .main-image:hover,
  main img:hover {
    box-shadow: 0 20px 44px rgba(0,0,0,0.22);
  }
}

/* ========= Very Large Desktop (optional subtle gradient) ========= */
@media screen and (min-width: 1921px) {
  body {
    background: linear-gradient(#ffffff, #e9e9e9);
  }
}

/* ========= Print ========= */
@media print {
  body { background: #fff; color: #000; }
  nav, footer { display: none; }
  #container { border: none; box-shadow: none; }
}