/* ==========================================================================
   Dr. Malini Mittal Bishnoi | Portfolio
   Editorial / academic / premium light design system
   ========================================================================== */

:root {
  /* Palette: warm ivory, graphite, desert accent */
  --c-bg:          #faf7f1;
  --c-bg-alt:      #f3ede2;
  --c-surface:     #ffffff;
  --c-ink:         #24211d;
  --c-ink-soft:    #55504a;
  --c-ink-faint:   #948d82;
  --c-line:        #ddd4c4;
  --c-line-soft:   #e8e1d3;
  --c-accent:      #a9652f;
  --c-accent-soft: #c98a4f;
  --c-accent-tint: #f1e2d0;

  --font-serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1240px;
  --gutter: clamp(24px, 5vw, 72px);

  --ease: cubic-bezier(.16,.84,.44,1);
  --ease-soft: cubic-bezier(.22,.61,.36,1);
  --dur-s: .45s;
  --dur-m: .75s;
  --dur-l: 1.05s;
}

/* ---------------------------------- reset -------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
input, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--c-ink); color: var(--c-bg); padding: 12px 20px;
}
.skip-link:focus { left: 12px; top: 12px; }

::selection { background: var(--c-accent); color: #fff; }

/* ------------------------------ typography -------------------------------- */
.editorial-heading {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.editorial-heading--sm { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.editorial-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  line-height: 1.4;
  color: var(--c-ink);
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  font-weight: 400;
}
.section__index {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 400;
  margin-bottom: 20px;
}

/* -------------------------------- buttons --------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  padding: 0;
  transition: gap var(--dur-s) var(--ease), color var(--dur-s) var(--ease), background var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.btn span:last-child { transition: transform var(--dur-s) var(--ease); display: inline-block; }
.btn:hover span:last-child { transform: translateX(5px); }

.btn--line {
  border: 1px solid var(--c-ink);
  padding: 12px 24px;
  border-radius: 999px;
}
.btn--line:hover { background: var(--c-ink); color: var(--c-bg); }

.btn--solid {
  background: var(--c-ink);
  color: var(--c-bg);
  padding: 15px 30px;
  border-radius: 999px;
  justify-content: center;
}
.btn--solid:hover { background: var(--c-accent); }
.btn--solid:disabled { opacity: 0.55; cursor: default; }
.btn--solid:disabled:hover { background: var(--c-ink); }

.btn--arrow {
  position: relative;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--c-line);
}
.btn--arrow::after {
  content: '';
  position: absolute; left: 0; bottom: -1px;
  width: 100%; height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-m) var(--ease);
}
.btn--arrow:hover { color: var(--c-accent); }
.btn--arrow:hover::after { transform: scaleX(1); }

/* -------------------------------- layout ---------------------------------- */
.section {
  position: relative;
  padding: clamp(72px, 11vw, 150px) var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
  overflow: clip;
}
.section__head { margin-bottom: clamp(32px, 5vw, 56px); }

/* ============================== NAVIGATION ================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 26px var(--gutter);
  transition: padding var(--dur-s) var(--ease), background var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease), backdrop-filter var(--dur-s) var(--ease);
}
.site-header.is-scrolled {
  padding: 14px var(--gutter);
  background: rgba(250, 247, 241, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--c-line-soft);
}

.nav {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color:var(--c-ink);
  white-space: nowrap;
  transition: color var(--dur-s) var(--ease);
}
.site-header.is-scrolled .nav__logo { color: var(--c-ink); }

.nav__pills {
  display: flex;
  justify-self: center;
  align-items: center;
  gap: 8px;
}
.nav__pill {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--c-bg);
  background: rgba(24, 21, 17, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(250, 247, 241, 0.14);
  padding: 9px 18px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
}
.nav__pill:hover, .nav__pill.is-active {
  background: var(--c-accent);
}
.nav__pill--contact {
  background: var(--c-accent);
}
.nav__pill--contact:hover { background: var(--c-ink); }

.site-header.is-scrolled .nav__pill {
  color: var(--c-ink);
  background: transparent;
  border-color: var(--c-line);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.site-header.is-scrolled .nav__pill:hover,
.site-header.is-scrolled .nav__pill.is-active {
  background: var(--c-ink);
  color: var(--c-bg);
}
.site-header.is-scrolled .nav__pill--contact {
  background: var(--c-ink);
  color: var(--c-bg);
  border-color: var(--c-ink);
}
.site-header.is-scrolled .nav__pill--contact:hover { background: var(--c-accent); }

.nav__menu { display: none; align-items: center; gap: clamp(20px, 3vw, 44px); }
.nav__links { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 34px); }
.nav__links a {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--c-ink-soft);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--dur-s) var(--ease);
}
.nav__links a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--c-accent);
  transition: width var(--dur-s) var(--ease);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--c-ink); }
.nav__links a:hover::after, .nav__links a.is-active::after { width: 100%; }

.nav__cta { font-size: 0.85rem; padding: 10px 22px; }

.nav__toggle {
  display: none;
  grid-column: 3;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  padding: 6px 0;
  position: relative;
  z-index: 20;
}
.nav__toggle span {
  display: block; height: 1px; width: 100%;
  background: var(--c-ink);
  transition: transform var(--dur-s) var(--ease), opacity var(--dur-s) var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ================================== HERO =================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: clip;
  isolation: isolate;
  padding-bottom: clamp(64px, 9vw, 110px);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 78% 15%;
  transform: scale(1.06);
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 17, 14, 0.78) 0%, rgba(20, 17, 14, 0.15) 42%, rgba(20, 17, 14, 0.05) 65%);
}

.hero__eyebrow {
  position: relative;
  align-self: flex-end;
  margin: 0 var(--gutter) clamp(18px, 3vw, 32px);
  max-width: 320px;
  text-align: right;
  font-size: 0.92rem;
  line-height: 1.5;
  color: rgba(250, 247, 241, 0.85);
  letter-spacing: 0.01em;
}

.hero__name {
  position: relative;
  align-self: flex-start;
  text-align: left;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding: 0 var(--gutter);
}
.hero__name-row { display: block; overflow: hidden; }
.hero__name-word {
  display: block;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--c-bg);
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.scroll-indicator {
  position: relative;
  align-self: center;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250, 247, 241, 0.7);
}
.scroll-indicator .scroll-indicator__line { background: rgba(250, 247, 241, 0.3); }

/* ================================= MARQUEE ================================== */
.marquee {
  background: var(--c-ink);
  overflow: hidden;
  padding: 18px 0;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 32s linear infinite;
}
.marquee__track span {
  font-family: var(--font-serif);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  color: var(--c-bg);
  padding: 0 22px;
  white-space: nowrap;
}
.marquee__track span:nth-child(even) { color: var(--c-accent-soft); font-family: var(--font-sans); font-weight: 400; }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; overflow-x: auto; }
}
.scroll-indicator__line {
  width: 1px; height: 42px;
  background: var(--c-line);
  position: relative;
  overflow: hidden;
}
.scroll-indicator__line::after {
  content: '';
  position: absolute; top: -100%; left: 0;
  width: 100%; height: 100%;
  background: var(--c-accent);
  animation: scrollLine 2.2s var(--ease-soft) infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ============================ SECTION: PROFILE ============================= */
.section--profile { padding-top: clamp(48px, 7vw, 96px); padding-bottom: clamp(32px, 5vw, 64px); }
.profile__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  border-top: 1px solid var(--c-line);
  padding-top: clamp(32px, 5vw, 56px);
}
.profile__statement p {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  line-height: 1.32;
  color: var(--c-ink);
  max-width: 380px;
}
.profile__lead {
  font-size: 1.12rem;
  color: var(--c-ink);
  margin-bottom: 18px;
  line-height: 1.6;
}
.profile__body p { color: var(--c-ink-soft); margin-bottom: 18px; }
.profile__figure {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line-soft);
}
.profile__figure-num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--c-accent);
  line-height: 1;
}
.profile__figure-label {
  font-size: 0.82rem;
  color: var(--c-ink-faint);
  letter-spacing: 0.02em;
  max-width: 220px;
}
.profile__more { margin-top: 28px; }

/* ============================ DUALITY STATEMENT ============================= */
.duality {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px) var(--gutter) clamp(56px, 8vw, 100px);
  gap: clamp(24px, 5vw, 60px);
}
.duality__col { max-width: 420px; }
.duality__col--right { justify-self: end; text-align: right; }
.duality__label {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}
.duality__word {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin-bottom: 16px;
}
.duality__desc { color: var(--c-ink-soft); font-size: 0.98rem; line-height: 1.6; }
.duality__x {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--c-line);
}

/* ============================== SECTION: GULF ============================== */
.section--gulf {
  background: var(--c-bg-alt);
  padding-top: clamp(96px, 13vw, 180px);
  padding-bottom: clamp(100px, 14vw, 190px);
}
.gulf__intro { margin-bottom: clamp(40px, 6vw, 70px); max-width: 700px; }

.gulf__story {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: center;
}
.gulf__gallery {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.8vw, 20px);
}

.gulf__main-wrap { position: relative; }
.gulf__vertical-label {
  position: absolute;
  top: 0; bottom: 0; left: -30px;
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
  white-space: nowrap;
  z-index: 2;
}

.gulf__photo {
  position: relative;
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}
.gulf__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gulf__gallery .gulf__photo img { transition: transform 1.1s var(--ease); }
.gulf__gallery .gulf__photo:hover img { transform: scale(1.045); }

.gulf__photo--main { aspect-ratio: 4 / 3; }

.gulf__photo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 20px);
}
.gulf__photo-row .gulf__photo { aspect-ratio: 3 / 4; }

.gulf__photo figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px 18px 14px;
  background: linear-gradient(to top, rgba(24, 21, 17, 0.72), rgba(24, 21, 17, 0));
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}
.gulf__photo figcaption span {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 2px;
}

.gulf__copy p { color: var(--c-ink-soft); margin-top: 20px; }
.gulf__copy .editorial-quote { color: var(--c-ink); margin-top: 0; }
.gulf__more { display: inline-flex; margin-top: 22px; }
.gulf__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line);
}
.gulf__labels li {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
}
.gulf__labels li::after { content: '·'; margin-left: 14px; color: var(--c-line); }
.gulf__labels li:last-child::after { content: ''; }

/* ============================ SECTION: RESEARCH ============================= */
.section--research { padding-bottom: clamp(56px, 8vw, 120px); }
.section--research .section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; border-bottom: 1px solid var(--c-line); padding-bottom: 28px; }

.inquiry-visual {
  width: 100%;
  height: clamp(50px, 7vw, 90px);
  color: var(--c-accent);
  margin: clamp(24px, 4vw, 40px) 0;
}

.inquiry-list { border-top: 1px solid var(--c-line); }
.inquiry-item {
  position: relative;
  display: grid;
  grid-template-columns: 70px 260px 1fr;
  align-items: baseline;
  gap: 24px;
  padding: 26px 4px;
  border-bottom: 1px solid var(--c-line);
  transition: background var(--dur-s) var(--ease), padding-left var(--dur-s) var(--ease);
  cursor: default;
  overflow: hidden;
}
.inquiry-item::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-m) var(--ease);
}
.inquiry-item:hover { background: var(--c-bg-alt); padding-left: 18px; }
.inquiry-item:hover::after { transform: scaleX(1); }
.inquiry-item__num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--c-ink-faint);
  transition: transform var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
}
.inquiry-item:hover .inquiry-item__num { transform: translateX(6px); color: var(--c-accent); }
.inquiry-item__name {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  color: var(--c-ink);
  transition: color var(--dur-s) var(--ease), transform var(--dur-s) var(--ease);
}
.inquiry-item:hover .inquiry-item__name { color: var(--c-accent); transform: translateX(6px); }
.inquiry-item__desc { color: var(--c-ink-soft); font-size: 0.95rem; max-width: 520px; }

/* ============================== SECTION: BOOK ================================ */
.section--book { background: var(--c-bg-alt); }
.book__grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.book__cover {
  aspect-ratio: 3 / 4.4;
  max-width: 340px;
  background: linear-gradient(155deg, #ffffff, #f1e9da 70%);
  border: 1px solid var(--c-line);
  border-radius: 3px;
  box-shadow: 0 30px 60px -30px rgba(36, 33, 29, 0.28);
  display: flex;
  align-items: center;
  padding: 42px 34px;
  position: relative;
  transition: transform var(--dur-m) var(--ease), box-shadow var(--dur-m) var(--ease);
  transform-style: preserve-3d;
}
.book__cover:hover {
  transform: perspective(1400px) rotateY(-5deg) translateY(-8px);
  box-shadow: 0 44px 80px -32px rgba(36, 33, 29, 0.38);
}
.book__cover::before {
  content: '';
  position: absolute; inset: 14px;
  border: 1px solid var(--c-line);
}
.book__cover-inner { position: relative; z-index: 1; }
.book__cover-eyebrow {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 22px;
}
.book__cover-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2rem;
  line-height: 1.16;
  color: var(--c-ink);
}
.book__cover-title em { font-style: italic; font-weight: 400; color: var(--c-ink-soft); }
.book__cover-author {
  display: block;
  margin-top: 30px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--c-ink-soft);
}
.book__copy p { color: var(--c-ink-soft); margin: 18px 0; max-width: 520px; }
.book__copy .btn--arrow { margin-top: 12px; }

/* ============================== STAT BLOCK ================================== */
.stat-block {
  background: var(--c-ink);
  color: var(--c-bg);
  padding: clamp(64px, 10vw, 130px) var(--gutter);
}
.stat-block__label {
  display: block;
  max-width: var(--container);
  margin: 0 auto clamp(32px, 5vw, 56px);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent-soft);
}
.stat-block__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 5vw, 60px);
  align-items: start;
}
.stat-block__word {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.05;
  color: var(--c-bg);
}
.stat-block__list { display: flex; flex-direction: column; gap: 16px; padding-top: 10px; }
.stat-block__list li {
  position: relative;
  padding-left: 22px;
  font-size: 1rem;
  line-height: 1.5;
  color: rgba(250, 247, 241, 0.82);
}
.stat-block__list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--c-accent-soft);
}
.stat-block__list em { color: var(--c-bg); font-style: italic; }

/* ========================= SECTION: PUBLICATIONS ============================ */
.section--publications { padding-top: clamp(56px, 8vw, 110px); padding-bottom: clamp(56px, 8vw, 110px); }
.publications__intro {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  border-top: 1px solid var(--c-line);
  padding-top: clamp(32px, 5vw, 56px);
  margin-bottom: clamp(40px, 6vw, 64px);
}
.publications__statement { max-width: 640px; }
.publications-visual {
  width: 100%;
  max-width: 220px;
  height: auto;
  color: var(--c-ink-faint);
  justify-self: end;
}

.publications-index { border-top: 1px solid var(--c-line); }
.publications-row {
  position: relative;
  display: grid;
  grid-template-columns: 280px 1fr 32px;
  align-items: center;
  gap: 24px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--c-line);
  transition: background var(--dur-s) var(--ease), padding-left var(--dur-s) var(--ease);
}
.publications-row:hover { background: var(--c-bg-alt); padding-left: 18px; }
.publications-row__title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  color: var(--c-ink);
}
.publications-row__desc { color: var(--c-ink-soft); font-size: 0.92rem; }
.publications-row__arrow {
  justify-self: end;
  color: var(--c-ink-faint);
  transition: transform var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
}
.publications-row:hover .publications-row__arrow { transform: translateX(5px); color: var(--c-accent); }

.publications__cta { margin-top: clamp(32px, 5vw, 48px); }

/* ============================ SECTION: TEACHING ============================== */
.section--teaching { background: var(--c-bg-alt); padding-bottom: clamp(48px, 6vw, 80px); }
.teaching-rows { border-top: 1px solid var(--c-line); }
.teaching-row {
  display: grid;
  grid-template-columns: 70px 260px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 30px 4px;
  border-bottom: 1px solid var(--c-line);
  position: relative;
  transition: padding var(--dur-m) var(--ease);
}
.teaching-row:hover { padding-left: 18px; padding-top: 34px; padding-bottom: 34px; }
.teaching-row__num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--c-ink-faint);
  transition: color var(--dur-s) var(--ease);
}
.teaching-row:hover .teaching-row__num { color: var(--c-accent); }
.teaching-row__title {
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--c-ink);
}
.teaching-row__desc {
  color: var(--c-ink-soft);
  font-size: 1rem;
  max-width: 560px;
}
@media (hover: hover) and (pointer: fine) {
  .teaching-row__desc { opacity: 0.62; transition: opacity var(--dur-m) var(--ease); }
  .teaching-row:hover .teaching-row__desc { opacity: 1; }
}

/* ========================= SECTION: PERSPECTIVES ============================= */
.section--perspectives { padding-top: clamp(64px, 9vw, 130px); padding-bottom: clamp(64px, 9vw, 130px); }
.perspectives__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.perspective-quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.4;
  color: var(--c-ink);
}
.perspectives__portrait {
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  overflow: hidden;
  background: var(--c-surface);
}
.perspectives__portrait img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* ============================ SECTION: CONTACT ================================ */
.section--contact { background: var(--c-bg-alt); padding-bottom: clamp(90px, 12vw, 160px); }
.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: start;
  border-top: 1px solid var(--c-line);
  padding-top: clamp(32px, 5vw, 56px);
}
.contact__word {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 8vw, 6rem);
  line-height: 1.02;
  color: var(--c-ink);
  margin: 14px 0 24px;
}
.contact__intro p { color: var(--c-ink-soft); max-width: 380px; }
.contact__alt { font-size: 0.86rem; color: var(--c-ink-faint); margin-top: 16px; }

.contact__form { display: flex; flex-direction: column; gap: 20px; }
.hp-field { position: absolute; left: -5000px; top: -5000px; width: 1px; height: 1px; overflow: hidden; }
.form__row { display: flex; flex-direction: column; gap: 8px; }
.form__row label {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
}
.form__row input, .form__row textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-line);
  padding: 10px 2px;
  font-size: 1rem;
  color: var(--c-ink);
  transition: border-color var(--dur-s) var(--ease);
  resize: vertical;
}
.form__row input:focus, .form__row textarea:focus {
  outline: none;
  border-color: var(--c-accent);
}
.contact__form .btn--solid { margin-top: 10px; align-self: flex-start; }
.form__status { font-size: 0.85rem; color: var(--c-accent); min-height: 1.2em; }

/* =================================== FOOTER ==================================== */
.site-footer {
  background: var(--c-ink);
  color: var(--c-bg);
  padding: clamp(56px, 8vw, 90px) var(--gutter) 30px;
}
.footer__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(250, 247, 241, 0.15);
}
.footer__name { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 10px; }
.footer__tag { color: rgba(250, 247, 241, 0.6); max-width: 360px; font-size: 0.92rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }
.footer__pill {
  font-size: 0.82rem;
  color: rgba(250, 247, 241, 0.85);
  border: 1px solid rgba(250, 247, 241, 0.22);
  padding: 9px 18px;
  border-radius: 999px;
  transition: background var(--dur-s) var(--ease), color var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.footer__pill:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-bg);
}

.footer__bottom {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  font-size: 0.8rem;
  color: rgba(250, 247, 241, 0.5);
}
.footer__top { display: inline-flex; align-items: center; gap: 8px; color: rgba(250,247,241,0.8); }
.footer__top span { transition: transform var(--dur-s) var(--ease); display: inline-block; }
.footer__top:hover span { transform: translateY(-3px); }

/* ============================================================================
   MOTION: reveal system
   ============================================================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-m) var(--ease), transform var(--dur-m) var(--ease);
  transition-delay: calc(var(--reveal-delay, 0ms));
}
.reveal-up.is-visible { opacity: 1; transform: translateY(0); }

.reveal-line span {
  transform: translateY(112%);
  transition: transform var(--dur-l) var(--ease);
  transition-delay: calc(var(--reveal-delay, 0ms));
}
.reveal-line.is-visible span { transform: translateY(0); }

.reveal-mask {
  clip-path: inset(0 0 0 0);
  position: relative;
}
.reveal-mask::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--c-bg-alt);
  transform-origin: left;
  transform: scaleX(1);
  transition: transform var(--dur-l) var(--ease);
  transition-delay: calc(var(--reveal-delay, 0ms));
  z-index: 2;
  pointer-events: none;
}
.reveal-mask img, .reveal-mask .gulf__art, .reveal-mask .book__cover-inner {
  transform: scale(1.12);
  transition: transform 1.6s var(--ease);
  transition-delay: calc(var(--reveal-delay, 0ms) + 120ms);
}
.reveal-mask.is-visible::after { transform: scaleX(0); transform-origin: right; }
.reveal-mask.is-visible img, .reveal-mask.is-visible .gulf__art, .reveal-mask.is-visible .book__cover-inner { transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-up, .reveal-line span, .reveal-mask::after, .reveal-mask img {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .scroll-indicator__line::after { animation: none; }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .profile__grid, .gulf__story, .book__grid, .contact__grid, .perspectives__grid {
    grid-template-columns: 1fr;
  }
  .duality { grid-template-columns: 1fr; gap: 32px; }
  .duality__col--right { justify-self: start; text-align: left; }
  .duality__x { display: none; }
  .stat-block__grid { grid-template-columns: 1fr; }
  .publications__intro { grid-template-columns: 1fr; }
  .publications-visual { justify-self: start; max-width: 160px; order: -1; }
  .publications-row { grid-template-columns: 1fr 24px; row-gap: 6px; }
  .publications-row__desc { grid-column: 1 / -1; }
  .gulf__story { gap: 40px; }
  .gulf__gallery { max-width: 520px; margin: 0 auto; }
  .gulf__vertical-label { left: -22px; }
  .book__cover { margin: 0 auto; }
  .perspectives__portrait { order: -1; max-width: 380px; margin: 0 auto; }
  .inquiry-item, .teaching-row { grid-template-columns: 50px 1fr; row-gap: 8px; }
  .inquiry-item__desc, .teaching-row__desc { grid-column: 2; }
}

.nav__backdrop {
  display: none;
}

@media (max-width: 860px) {
  .nav__pills, .nav__pill--contact { display: none; }
  .nav__toggle { display: flex; }
  .nav__backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 9;
    background: rgba(36, 33, 29, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-m) var(--ease);
  }
  .nav__backdrop.is-open { opacity: 1; pointer-events: auto; }
  .nav__menu {
    display: flex;
    position: fixed;
    top: 0; right: 0;
    z-index: 10;
    height: 100vh;
    width: min(360px, 82vw);
    background: var(--c-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 100px var(--gutter) 40px;
    transform: translateX(100%);
    transition: transform var(--dur-m) var(--ease);
    box-shadow: -20px 0 60px rgba(0,0,0,0.14);
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__links { flex-direction: column; align-items: flex-start; gap: 22px; }
  .nav__links a { font-size: 1.1rem; }
}

@media (max-width: 640px) {
  .footer__grid, .footer__bottom { flex-direction: column; align-items: flex-start; }
  .gulf__labels li::after { margin-left: 8px; }
  .contact__grid { gap: 28px; }
}