/* Hero */
.hero { position: relative; padding: clamp(56px, 8vw, 120px) 0 clamp(40px, 6vw, 80px); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; }
.orb--gold { width: 480px; height: 480px; top: -140px; right: -120px;
  background: radial-gradient(circle, rgba(245,194,76,.7), transparent 60%); animation: float 14s ease-in-out infinite; }
.orb--orange { width: 520px; height: 520px; bottom: -180px; left: -140px;
  background: radial-gradient(circle, rgba(242,117,34,.55), transparent 60%); animation: float 18s ease-in-out infinite reverse; }
@keyframes float { 50% { transform: translate(30px, 20px); } }

.hero__inner { max-width: var(--container); margin: 0 auto; padding: 0 clamp(16px, 3vw, 32px); position: relative; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line-2); background: rgba(255,255,255,.03);
  color: var(--ink-1); font-size: 12.5px;
}
.hero__title {
  margin: 18px 0 20px;
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(40px, 7vw, 84px); line-height: 1.02; letter-spacing: -.035em;
  max-width: 15ch;
}
.hero__title s { color: var(--ink-3); text-decoration-thickness: 3px; text-decoration-color: var(--java); }
.hero__title .grad { display: block; }
.hero__lede { color: var(--ink-2); max-width: 60ch; font-size: clamp(15px, 1.4vw, 18px); }
.hero__cta { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

.hero__preview {
  margin-top: 56px;
  padding: 20px;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(20,20,30,.75), rgba(12,12,20,.6));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  max-width: 780px;
}
.preview__label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-2);
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(0,0,0,.35);
}
.preview__array { display: flex; gap: 8px; margin: 16px 0; flex-wrap: wrap; }
.preview__array .cell {
  width: 46px; height: 56px; border-radius: 10px;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 15px;
  background: linear-gradient(180deg, #14141f, #0d0d16);
  border: 1px solid var(--line-2);
  transition: all .35s var(--ease);
}
.preview__array .cell.is-current { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(245,194,76,.15), 0 0 24px rgba(245,194,76,.35); transform: translateY(-4px); }
.preview__array .cell.is-best { border-color: var(--java); color: var(--java); background: linear-gradient(180deg, rgba(242,117,34,.18), rgba(242,117,34,.05)); }
.preview__vars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.preview__vars > div { padding: 10px 12px; background: rgba(0,0,0,.35); border: 1px solid var(--line-2); border-radius: 10px; display: flex; align-items: center; justify-content: space-between; font-family: var(--font-mono); }
.preview__vars span { color: var(--ink-2); font-size: 12px; }
.preview__vars b { color: var(--gold); font-weight: 500; }

/* Stats */
.stats {
  max-width: var(--container); margin: 20px auto 0; padding: 0 clamp(16px, 3vw, 32px);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.stat {
  padding: 22px 22px; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20,20,30,.6), rgba(10,10,16,.55));
  border-radius: var(--r-md);
  position: relative; overflow: hidden;
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.stat:hover { border-color: rgba(245,194,76,.35); transform: translateY(-2px); }
.stat::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(120deg, transparent 30%, rgba(245,194,76,.5), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity var(--dur-3) var(--ease);
}
.stat:hover::before { opacity: 1; }
.stat__num { font-family: var(--font-display); font-size: clamp(32px, 4vw, 44px); letter-spacing: -.03em; color: var(--gold); }
.stat__label { color: var(--ink-2); font-size: 13px; margin-top: 4px; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* How */
.how { max-width: var(--container); margin: 90px auto 0; padding: 0 clamp(16px, 3vw, 32px); }
.how__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; }
.feat {
  padding: 22px; border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20,20,30,.5), rgba(10,10,16,.45));
  transition: all var(--dur-2) var(--ease);
}
.feat:hover { transform: translateY(-3px); border-color: rgba(242,117,34,.35); }
.feat__icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  color: var(--gold); background: rgba(245,194,76,.08); border: 1px solid rgba(245,194,76,.2);
  margin-bottom: 14px;
}
.feat h3 { font-size: 15px; margin-bottom: 4px; }
.feat p { color: var(--ink-2); font-size: 13.5px; }
@media (max-width: 900px) { .how__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .how__grid { grid-template-columns: 1fr; } }

/* Patterns */
.patterns { max-width: var(--container); margin: 90px auto 0; padding: 0 clamp(16px, 3vw, 32px); }
.patterns__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.patterns__filters { display: flex; gap: 8px; flex-wrap: wrap; }
.patterns__grid { margin-top: 26px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 1040px) { .patterns__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .patterns__grid { grid-template-columns: 1fr; } }

.pcard {
  position: relative; padding: 20px; border-radius: var(--r-md);
  border: 1px solid var(--line); overflow: hidden;
  background: linear-gradient(180deg, rgba(20,20,30,.55), rgba(10,10,16,.45));
  transition: transform var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease);
  display: flex; flex-direction: column; gap: 14px;
  cursor: pointer;
}
.pcard::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px 200px at var(--mx, 50%) var(--my, 0%), rgba(245,194,76,.12), transparent 60%);
  opacity: 0; transition: opacity var(--dur-2) var(--ease);
}
.pcard:hover { transform: translateY(-3px); border-color: rgba(245,194,76,.28); }
.pcard:hover::after { opacity: 1; }
.pcard__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.pcard__num { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-3); letter-spacing: .14em; }
.pcard__title { font-family: var(--font-display); font-size: 20px; letter-spacing: -.01em; }
.pcard__desc { color: var(--ink-2); font-size: 13.5px; }
.pcard__meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 8px; }
.pcard__diffs { display: flex; gap: 6px; }
.pcard__arrow {
  width: 34px; height: 34px; border-radius: 999px; display: grid; place-items: center;
  color: var(--gold); border: 1px solid rgba(245,194,76,.3); background: rgba(245,194,76,.06);
  transition: transform var(--dur-2) var(--ease-out);
}
.pcard:hover .pcard__arrow { transform: translateX(4px) rotate(-8deg); }
.pcard__icon {
  position: absolute; top: 20px; right: 20px; width: 26px; height: 26px; opacity: .6;
  color: var(--java);
}

/* Entrance stagger */
[data-anim] { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
[data-anim].is-in { opacity: 1; transform: none; }