/* ============================================================
   SERVICE DETAIL PAGE
   inherits tokens from styles.css
   ============================================================ */

.sp-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  backdrop-filter: blur(18px);
  background: oklch(0.13 0.008 60 / 0.72);
  border-bottom: 1px solid var(--hair);
}
.sp-nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 16px clamp(20px, 4vw, 48px);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.sp-back {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em;
  color: var(--ink-soft); text-decoration: none;
  transition: color .3s var(--ease);
}
.sp-back svg { width: 16px; height: 16px; transition: transform .35s var(--ease); }
.sp-back:hover { color: var(--gold); }
.sp-back:hover svg { transform: translateX(-4px); }

/* ---------- hero ---------- */
.sp-hero {
  position: relative;
  min-height: 78vh;
  display: flex; align-items: flex-end;
  padding: clamp(90px, 12vh, 150px) clamp(20px, 4vw, 48px) clamp(46px, 6vw, 80px);
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
}
.sp-hero-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04);
}
.sp-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, oklch(0.1 0.01 60 / 0.55) 0%, transparent 28%),
    linear-gradient(0deg, var(--bg) 6%, oklch(0.1 0.01 60 / 0.35) 55%, oklch(0.1 0.01 60 / 0.55) 100%);
}
.sp-hero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.sp-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--acc, var(--gold));
}
.sp-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--acc, var(--gold)); }
.sp-hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.6rem, 6.5vw, 5rem); line-height: 1.02; letter-spacing: -0.02em;
  margin-top: 20px; max-width: 16ch; text-wrap: balance;
}
.sp-lede {
  margin-top: 22px; max-width: 56ch;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.5; color: var(--ink-soft);
}

/* ---------- body ---------- */
.sp-body { max-width: var(--maxw); margin: 0 auto; padding: clamp(54px, 8vw, 100px) clamp(20px, 4vw, 48px); }
.sp-intro {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.4; letter-spacing: -0.01em;
  max-width: 30ch; color: var(--ink); text-wrap: pretty;
}
.sp-section { margin-top: clamp(48px, 7vw, 92px); }
.sp-section.cols {
  display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.sp-kicker {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
}
.sp-h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.1; letter-spacing: -0.01em;
  margin-top: 14px; text-wrap: balance;
}
.sp-text { font-size: 1.02rem; line-height: 1.7; color: var(--ink-soft); max-width: 60ch; text-wrap: pretty; }
.sp-text + .sp-text { margin-top: 1.1em; }

/* service list */
.sp-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hair-2);
  border: 1px solid var(--hair); border-radius: 16px; overflow: hidden; }
.sp-list .it {
  background: var(--bg-2); padding: clamp(20px, 2.4vw, 30px);
  display: flex; align-items: flex-start; gap: 14px;
  font-size: 1rem; color: var(--ink); line-height: 1.4;
  transition: background .35s var(--ease);
}
.sp-list .it:hover { background: var(--panel); }
.sp-list .it .n {
  font-family: var(--mono); font-size: 0.72rem; color: var(--acc, var(--gold));
  padding-top: 3px; flex: none;
}

/* chips / network / languages */
.sp-chips { display: flex; flex-wrap: wrap; gap: 12px; }
.sp-chip {
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.02em;
  padding: 12px 20px; border-radius: 100px;
  border: 1px solid var(--hair); color: var(--ink);
  background: oklch(1 0 0 / 0.02);
  transition: all .35s var(--ease);
}
.sp-chip:hover { border-color: var(--acc, var(--gold)); color: var(--acc, var(--gold)); transform: translateY(-3px); }

/* callout */
.sp-callout {
  margin-top: clamp(48px, 7vw, 92px);
  border: 1px solid var(--hair); border-radius: 20px;
  background:
    radial-gradient(120% 130% at 100% 0%, var(--acc-glow, var(--gold-glow)), transparent 55%),
    var(--bg-2);
  padding: clamp(30px, 5vw, 60px);
}
.sp-callout h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.16; max-width: 22ch; text-wrap: balance;
}
.sp-callout p { margin-top: 14px; color: var(--ink-soft); max-width: 56ch; line-height: 1.6; }
.sp-callout .sp-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 14px; }

/* image band */
.sp-band { margin-top: clamp(48px, 7vw, 92px); border-radius: 20px; overflow: hidden; border: 1px solid var(--hair);
  position: relative; aspect-ratio: 21/9; }
.sp-band img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 820px) {
  .sp-section.cols { grid-template-columns: 1fr; }
  .sp-list { grid-template-columns: 1fr; }
}

/* small footer */
.sp-foot {
  border-top: 1px solid var(--hair);
  padding: 40px clamp(20px, 4vw, 48px);
  max-width: var(--maxw); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 0.74rem; color: var(--muted);
}
.sp-foot a { color: var(--ink-soft); text-decoration: none; }
.sp-foot a:hover { color: var(--gold); }

/* reveal */
[data-sp] { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-sp].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-sp] { opacity: 1; transform: none; transition: none; } }