/* Tiltwell landing page */
:root {
  --brass: #d8a94e;
  --brass-hi: #ffd98a;
  --teal: #53d6c2;
  --ink: #08181f;
  --ink2: #0c222b;
  --card: #10282f;
  --text: #d9ebe6;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: radial-gradient(1200px 700px at 70% -10%, #123541 0%, var(--ink) 55%);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: ui-serif, Georgia, serif; }

#topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  background: rgba(8, 24, 31, 0.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(216, 169, 78, 0.25);
}
.brand { letter-spacing: 5px; color: var(--brass); font-weight: 700; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  color: #14261f; background: linear-gradient(180deg, var(--brass-hi), var(--brass));
  border-radius: 12px; box-shadow: 0 0 24px rgba(216, 169, 78, 0.4);
}
.btn.small { padding: 8px 16px; font-size: 14px; }

#hero {
  display: grid; grid-template-columns: minmax(300px, 480px) 1fr;
  gap: 32px; align-items: center;
  max-width: 1200px; margin: 0 auto; padding: 48px 24px;
}
#hero-copy h1 {
  font-size: clamp(42px, 7vw, 84px); letter-spacing: 10px; color: var(--brass);
  text-shadow: 0 0 30px rgba(216, 169, 78, 0.35);
}

#play-now {
  display: inline-block; padding: 16px 40px; font-size: 20px; letter-spacing: 1px;
  text-decoration: none; color: #14261f;
  background: linear-gradient(180deg, var(--brass-hi), var(--brass));
  border-radius: 14px; box-shadow: 0 0 30px rgba(216, 169, 78, 0.45);
}
#play-now:hover { transform: translateY(-2px); }
.tagline { color: var(--teal); font-size: 20px; margin: 8px 0 14px; }
.sub { line-height: 1.6; color: #b9d2cc; max-width: 46ch; margin-bottom: 24px; }
#hero-preview {
  width: 100%; height: min(62vh, 560px); display: block;
  border-radius: 18px; border: 1px solid rgba(83, 214, 194, 0.25);
  background: #0c2028; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

main { max-width: 1100px; margin: 0 auto; padding: 24px; }
section { margin: 56px 0; }
h2 {
  color: var(--teal); font-size: 28px; letter-spacing: 3px; margin-bottom: 20px;
  border-bottom: 1px solid rgba(83, 214, 194, 0.25); padding-bottom: 8px;
}

#features { list-style: none; display: grid; gap: 14px; }
#features li {
  background: var(--card); border: 1px solid rgba(216, 169, 78, 0.18);
  border-left: 4px solid var(--brass);
  border-radius: 12px; padding: 14px 18px; line-height: 1.55; font-size: 15px;
}
#features b { color: var(--brass-hi); }

#controls .ctl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ctl {
  background: var(--card); border: 1px solid rgba(83, 214, 194, 0.15);
  border-radius: 12px; padding: 16px 18px;
}
.ctl h3 { color: var(--teal); font-size: 16px; margin-bottom: 8px; letter-spacing: 1px; }
.ctl p { font-size: 14px; line-height: 1.6; color: #c2d8d2; }
kbd {
  display: inline-block; min-width: 22px; text-align: center;
  background: #1c3a44; border: 1px solid #2f5a66; border-bottom-width: 2px;
  border-radius: 5px; padding: 2px 6px; font-size: 12px; color: var(--brass-hi);
  margin: 0 2px; font-family: inherit;
}

#gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
#gallery img {
  width: 100%; height: auto; display: block; border-radius: 12px;
  border: 1px solid rgba(216, 169, 78, 0.25);
}

footer {
  text-align: center; color: #7ea49d; font-size: 13px;
  padding: 30px 16px 40px; border-top: 1px solid rgba(83, 214, 194, 0.15);
}

@media (max-width: 860px) {
  #hero { grid-template-columns: 1fr; padding: 28px 16px; gap: 20px; }
  #hero-copy { order: 1; text-align: center; }
  #hero-preview { order: 2; height: 45vh; }
  .tagline { font-size: 17px; }
  #controls .ctl-grid, #gallery { grid-template-columns: 1fr; }
  #play-now { padding: 14px 30px; font-size: 18px; }
  section { margin: 36px 0; }
}