/* Partnership Accounting — editorial blog landing */

:root {
  --ink: #141c2b;
  --ink-soft: #3d4a5c;
  --muted: #6b7789;
  --paper: #eef1f5;
  --paper-deep: #e2e7ee;
  --line: rgba(20, 28, 43, 0.12);
  --accent: #c45c1a;
  --accent-soft: rgba(196, 92, 26, 0.12);
  --navy: #1a3a6b;
  --navy-soft: rgba(26, 58, 107, 0.08);
  --white: #fbfcfd;
  --radius: 2px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Instrument Serif", Georgia, serif;
  --font-sans: "Outfit", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Atmosphere: cool wash + ledger grid (not flat) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(26, 58, 107, 0.09), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(196, 92, 26, 0.07), transparent 50%),
    linear-gradient(180deg, #f4f6f9 0%, var(--paper) 40%, #e8ecf2 100%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 48px, 48px 100%;
  opacity: 0.35;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 70%);
  pointer-events: none;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration: none;
}

/* —— Masthead —— */
.masthead {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 4vw, 2rem);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  background: var(--ink);
}

.brand-text {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.masthead-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.masthead-nav a {
  position: relative;
  transition: color 0.25s var(--ease-out);
}

.masthead-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.masthead-nav a:hover {
  color: var(--ink);
}

.masthead-nav a:hover::after {
  transform: scaleX(1);
}

/* —— Hero —— */
.hero {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) clamp(1.25rem, 4vw, 2rem) clamp(3rem, 6vh, 4.5rem);
}

.hero-kicker {
  font-size: clamp(0.7rem, 1.2vw, 0.8rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.hero-title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.1em;
}

.hero-title .line-inner {
  display: block;
}

.hero-title .line:first-child .line-inner {
  color: var(--ink);
}

.hero-title .line:last-child .line-inner {
  font-style: italic;
  color: var(--navy);
}

.hero-lede {
  max-width: 34rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 300;
  color: var(--ink-soft);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-rule {
  width: 4rem;
  height: 3px;
  background: var(--accent);
  transform-origin: left;
}

/* —— Lectures / blog posts —— */
.lectures {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem) clamp(3rem, 8vh, 5rem);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-head p {
  font-size: 0.9rem;
  color: var(--muted);
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.post {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(20, 28, 43, 0.04);
  overflow: hidden;
  transition: border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.post:hover {
  border-color: rgba(26, 58, 107, 0.25);
  box-shadow: 0 12px 40px rgba(20, 28, 43, 0.08);
}

.post--accent {
  border-left: 3px solid var(--accent);
}

.post-link {
  display: block;
  padding: clamp(1.5rem, 3vw, 2rem);
  transition: background 0.35s var(--ease-out);
}

.post:hover .post-link {
  background: linear-gradient(135deg, rgba(26, 58, 107, 0.03), transparent 60%);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.post-issue {
  color: var(--navy);
}

.post-tag {
  color: var(--accent);
}

.post-meta time {
  margin-left: auto;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 0.75rem;
  transition: color 0.3s var(--ease-out);
}

.post:hover .post-title {
  color: var(--navy);
}

.post-excerpt {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  color: var(--ink-soft);
  max-width: 42rem;
  margin-bottom: 1.15rem;
  line-height: 1.65;
}

.post-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin-bottom: 1.35rem;
}

.post-topics li {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.3rem 0.65rem;
  background: var(--navy-soft);
  border-radius: var(--radius);
}

.post-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.post-cta svg {
  transition: transform 0.35s var(--ease-out);
}

.post:hover .post-cta svg {
  transform: translateX(4px);
}

/* —— About —— */
.about {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem) clamp(3rem, 6vh, 4rem);
}

.about-inner {
  padding: clamp(1.75rem, 3vw, 2.25rem);
  background: var(--ink);
  color: #c8d0dc;
  border-radius: var(--radius);
}

.about-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.about-inner p {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
  max-width: 38rem;
}

/* —— About Me page —— */
.about-hero {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 3.5rem) clamp(1.25rem, 4vw, 2rem) clamp(1.5rem, 3vh, 2rem);
}

.about-page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.35rem 0 0.85rem;
}

.about-page-title .line {
  display: block;
  overflow: hidden;
}

.about-page-title .line-inner {
  display: block;
}

.about-page-lede {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 400;
  color: var(--ink-soft);
  max-width: 34rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.about-prose {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem) clamp(3rem, 7vh, 4.5rem);
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4vh, 2.75rem);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.about-profile-column {
  position: sticky;
  top: clamp(1rem, 4vh, 2.5rem);
}

.about-profile-card {
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 8px 32px rgba(20, 28, 43, 0.08);
  padding: 0.6rem;
}

.about-profile-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-content-column {
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 2.5vh, 2rem);
}

.about-block {
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(20, 28, 43, 0.04);
}

.about-block--philosophy {
  border-left: 3px solid var(--accent);
}

.about-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 1.15rem;
  letter-spacing: -0.01em;
}

.about-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 40rem;
}

.about-copy p {
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink-soft);
}

.masthead-nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.footer-note a {
  color: var(--navy);
  font-weight: 600;
}

.footer-note a:hover {
  color: var(--accent);
}

/* —— Footer —— */
.site-footer {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 1.5rem clamp(1.25rem, 4vw, 2rem) 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-note {
  font-weight: 500;
}

/* Hide until GSAP boots — html.js-ready is set in <head> */
html.js-ready:not(.js-anim-ready) [data-anim] {
  visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html.js-ready:not(.js-anim-ready) [data-anim] {
    visibility: visible !important;
  }
}

@media (max-width: 640px) {
  .masthead-nav {
    gap: 1rem;
  }

  .post-meta time {
    margin-left: 0;
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 900px) {
  .about-layout {
    display: flex;
    flex-direction: column;
  }

  .about-profile-column {
    position: static;
  }

  .about-profile-card {
    max-width: 320px;
  }
}