:root {
  --orange: #f97316;
  --dark: #262624;
  --dark2: #1c1c1a;
  --dark3: #313130;
  --light: #f5f0eb;
  --muted: #9e9b95;
  --font-display: "Syne", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}

body {
  background: var(--dark);
  color: var(--light);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: sticky !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 6vw;
  background: rgba(38, 38, 36, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(249, 115, 22, 0.12);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--orange);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-logo span {
  color: var(--light);
}
.nav-back {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-back:hover {
  color: var(--orange);
}
.nav-back svg {
  transition: transform 0.2s;
}
.nav-back:hover svg {
  transform: translateX(-3px);
}

/* ── HERO BANNER ── */
.pp-hero {
  background: var(--dark2);
  border-bottom: 1px solid rgba(249, 115, 22, 0.1);
  padding: 5rem 6vw 4rem;
  position: relative;
  overflow: hidden;
}
.pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse 60% 80% at 100% 50%,
    rgba(249, 115, 22, 0.08) 0%,
    transparent 65%
  );
}
.pp-hero-inner {
  max-width: 740px;
  position: relative;
}
.pp-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.22);
  color: var(--orange);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.32rem 0.85rem;
  border-radius: 2px;
  margin-bottom: 1.4rem;
}
.pp-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: 1.2rem;
}
.pp-hero h1 em {
  font-style: normal;
  color: var(--orange);
}
.pp-hero p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 520px;
  line-height: 1.7;
}
.pp-meta {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.pp-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.pp-meta-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}
.pp-meta-value {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ── LAYOUT ── */
.pp-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 6vw 6rem;
  align-items: start;
}

/* ── TOC SIDEBAR ── */
.pp-toc {
  position: sticky;
  top: 80px;
  padding: 3rem 2rem 3rem 0;
  border-right: 1px solid rgba(249, 115, 22, 0.08);
}
.pp-toc-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.2rem;
  display: block;
}
.pp-toc ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.pp-toc a {
  display: block;
  font-size: 0.83rem;
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-left: 2px solid transparent;
  border-radius: 0 2px 2px 0;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
  line-height: 1.4;
}
.pp-toc a:hover,
.pp-toc a.active {
  color: var(--light);
  border-left-color: var(--orange);
  background: rgba(249, 115, 22, 0.06);
}

/* ── CONTENT ── */
.pp-content {
  padding: 3rem 0 3rem 4rem;
}

.pp-section {
  margin-bottom: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.pp-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.pp-section-num {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.7rem;
}
.pp-section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}
.pp-section p {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: 0.97rem;
}
.pp-section p:last-child {
  margin-bottom: 0;
}
.pp-section strong {
  color: var(--light);
  font-weight: 600;
}

/* list */
.pp-list {
  list-style: none;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.pp-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
}
.pp-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
  margin-top: 0.55rem;
}

/* highlight box */
.pp-highlight {
  background: rgba(249, 115, 22, 0.07);
  border-left: 2px solid var(--orange);
  padding: 1.2rem 1.4rem;
  border-radius: 0 2px 2px 0;
  margin: 1.4rem 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}
.pp-highlight strong {
  color: var(--light);
}

/* contact card */
.pp-contact-card {
  background: var(--dark3);
  border: 1px solid rgba(249, 115, 22, 0.1);
  padding: 1.8rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1.2rem;
}
.pp-contact-card .label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}
.pp-contact-card a {
  color: var(--light);
  text-decoration: none;
  font-size: 0.95rem;
}
.pp-contact-card a:hover {
  color: var(--orange);
}

/* ── FOOTER ── */
footer {
  background: var(--dark2);
  border-top: 1px solid rgba(249, 115, 22, 0.12);
  padding: 2.4rem 6vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--orange);
  text-decoration: none;
}
.footer-logo span {
  color: var(--light);
}
.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.footer-links a {
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--orange);
}
.footer-copy {
  color: var(--muted);
  font-size: 0.79rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  .pp-layout {
    grid-template-columns: 1fr;
  }
  .pp-toc {
    display: none;
  }
  .pp-content {
    padding: 2.5rem 0;
  }
}
@media (max-width: 500px) {
  .pp-hero {
    padding: 4rem 5vw 3rem;
  }
  .pp-layout {
    padding: 0 5vw 5rem;
  }
  .pp-hero h1 {
    font-size: 2.1rem;
  }
  .footer-links {
    gap: 1.2rem;
  }
}