/*
Theme Name: Nikhil Varma Institute
Theme URI: https://nikhilvarma.io
Author: Dr. Nikhil Varma
Description: A restrained, editorial WordPress theme for AI governance and advisory work.
Version: 1.2.0
Text Domain: nikhilvarma-institute
*/

@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/source-serif-4-latin-wght-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --nv-navy: #1B3A5C;
  --nv-navy-deep: #14293F;
  --nv-gold: #C99A3E;
  --nv-ink: #1A1A1A;
  --nv-grey: #6E7376;
  --nv-paper: #FAFAF8;
  --nv-line: #E2E6EA;
  --nv-white: #FFFFFF;
  --nv-shadow: 0 12px 40px rgba(20, 41, 63, 0.11);
  --nv-serif: "Source Serif 4", Georgia, serif;
  --nv-sans: "IBM Plex Sans", Arial, sans-serif;
  --nv-page: min(1180px, calc(100% - 48px));
  --nv-reading: min(680px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--nv-paper);
  color: var(--nv-ink);
  font-family: var(--nv-sans);
  font-size: 18px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--nv-navy); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--nv-gold);
  outline-offset: 4px;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  color: var(--nv-navy-deep);
  font-family: var(--nv-serif);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(3rem, 6vw, 4.1rem); }
h2 { font-size: clamp(2.15rem, 4vw, 3rem); }
h3 { font-size: clamp(1.45rem, 3vw, 1.9rem); }
p { margin: 0 0 1.3em; }
ul, ol { margin: 0 0 1.3em; padding-left: 1.25em; }
blockquote {
  margin: 2rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--nv-gold);
  color: var(--nv-navy-deep);
  font-family: var(--nv-serif);
  font-size: 1.4rem;
  line-height: 1.45;
}
button, input { font: inherit; }

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
}
.skip-link:focus {
  clip: auto;
  clip-path: none;
  height: auto;
  width: auto;
  left: 1rem;
  top: 1rem;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--nv-gold);
  color: var(--nv-navy-deep);
}

.nv-wrap { width: var(--nv-page); margin: 0 auto; }
.nv-reading { width: var(--nv-reading); margin: 0 auto; }
.nv-section { padding: clamp(4rem, 9vw, 8rem) 0; }
.nv-section--line { border-top: 1px solid var(--nv-line); }
.nv-section--navy { background: var(--nv-navy); color: var(--nv-white); }
.nv-section--navy h2, .nv-section--navy h3 { color: var(--nv-white); }
.nv-section--deep { background: var(--nv-navy-deep); color: var(--nv-white); }
.nv-section--deep h1, .nv-section--deep h2, .nv-section--deep h3 { color: var(--nv-white); }
.nv-eyebrow {
  margin: 0 0 0.75rem;
  color: var(--nv-gold);
  font-family: var(--nv-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
}
.nv-meta { color: var(--nv-grey); font-size: 0.84rem; line-height: 1.4; }
.nv-link-arrow::after { content: " →"; color: var(--nv-gold); }
.nv-button, .wp-element-button, .wp-block-button__link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0.72rem 1.2rem;
  border: 1px solid var(--nv-gold);
  border-radius: 0;
  background: var(--nv-gold);
  color: var(--nv-navy-deep);
  font-family: var(--nv-sans);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}
.nv-button:hover, .wp-element-button:hover, .wp-block-button__link:hover { background: transparent; color: var(--nv-gold); }
.nv-button--text { padding: 0; border: 0; background: transparent; color: inherit; font-weight: 600; }
.nv-button--text:hover { color: var(--nv-gold); }

.site-header { border-bottom: 1px solid var(--nv-line); background: var(--nv-paper); }
.site-header__inner {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.site-branding a { color: var(--nv-navy-deep); text-decoration: none; }
.site-title { font-family: var(--nv-serif); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.02em; }
.site-description { margin: 0.12rem 0 0; color: var(--nv-grey); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.menu-toggle { display: none; border: 1px solid var(--nv-line); background: transparent; color: var(--nv-navy-deep); padding: 0.45rem 0.7rem; }
.primary-navigation .menu, .footer-navigation .menu {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.primary-navigation a { color: var(--nv-navy-deep); font-size: 0.9rem; font-weight: 600; text-decoration: none; }
.primary-navigation .current-menu-item a, .primary-navigation a:hover { color: var(--nv-gold); }

.nv-page-hero { padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(3rem, 7vw, 6rem); }
.nv-page-hero__lede { max-width: 55rem; font-size: clamp(1.12rem, 2vw, 1.35rem); line-height: 1.55; }
.nv-page-hero__credit { max-width: 50rem; color: rgba(255,255,255,0.76); font-size: 0.9rem; }
.nv-actions { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; margin-top: 2rem; }

.nv-problem-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.nv-problem-grid article { padding-top: 1rem; border-top: 2px solid var(--nv-gold); }
.nv-problem-grid h3 { font-size: 1.55rem; }
.nv-framework-copy { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); gap: clamp(2rem, 7vw, 6rem); align-items: end; }
.nv-credibility { color: var(--nv-navy-deep); font-family: var(--nv-serif); font-size: clamp(1.25rem, 2.5vw, 1.8rem); line-height: 1.4; }
.nv-advisory-callout { max-width: 58rem; font-family: var(--nv-serif); font-size: 1.45rem; line-height: 1.45; }

.nv-recent-list { border-top: 1px solid var(--nv-line); }
.nv-writing-row { display: grid; grid-template-columns: 150px minmax(0, 1fr); column-gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--nv-line); }
.nv-writing-row h3 { margin-bottom: 0.3rem; font-size: 1.55rem; }
.nv-writing-row p { margin-bottom: 0; }
.nv-writing-row a { text-decoration: none; }
.nv-media-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.nv-media-card { border: 1px solid var(--nv-line); background: var(--nv-white); }
.nv-media-card__image { display: block; aspect-ratio: 16 / 9; background: var(--nv-navy-deep); }
.nv-media-card__image img { width: 100%; height: 100%; object-fit: cover; }
.nv-media-card__placeholder { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, var(--nv-navy-deep), var(--nv-navy)); }
.nv-media-card__body { padding: 1.25rem; }
.nv-media-card__body h3 { margin-bottom: 0.3rem; font-size: 1.45rem; }
.nv-media-card__body h3 a { text-decoration: none; }
.nv-media-card__body p:last-child { margin-bottom: 0; }

.nv-archive-header { padding: clamp(3rem, 6vw, 5.5rem) 0 2.5rem; border-bottom: 1px solid var(--nv-line); }
.nv-archive-header p { max-width: 48rem; margin-bottom: 0; }
.nv-filter-bar { display: flex; flex-wrap: wrap; gap: 0.55rem; padding: 1.5rem 0; border-bottom: 1px solid var(--nv-line); }
.nv-filter-bar a { padding: 0.4rem 0.7rem; border: 1px solid var(--nv-line); font-size: 0.85rem; text-decoration: none; }
.nv-filter-bar a[aria-current="page"], .nv-filter-bar a:hover { border-color: var(--nv-navy); background: var(--nv-navy); color: var(--nv-white); }

.nv-entry { padding: clamp(3rem, 7vw, 6rem) 0; }
.nv-entry__header { margin-bottom: 2.5rem; }
.nv-entry__header h1 { max-width: 15ch; }
.nv-entry__standfirst { max-width: 55rem; color: var(--nv-grey); font-family: var(--nv-serif); font-size: 1.35rem; line-height: 1.45; }
.nv-entry__content { width: var(--nv-reading); margin: 0 auto; }
.nv-entry__content h2 { margin-top: 2.5rem; }
.nv-first-published { color: var(--nv-grey); font-size: 0.9rem; }
.nv-related { margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid var(--nv-line); }

.nv-gates { display: grid; gap: 0; border-top: 1px solid rgba(255,255,255,0.3); }
.nv-gate { display: grid; grid-template-columns: minmax(180px, 0.75fr) minmax(0, 2fr); gap: 2rem; padding: 2rem 0; border-bottom: 1px solid rgba(255,255,255,0.3); }
.nv-gate h3 { color: var(--nv-white); }
.nv-gate p:last-child { margin-bottom: 0; }
.nv-gate__label { color: var(--nv-gold); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.nv-gate__detail { color: rgba(255,255,255,0.82); }
.nv-workbook-placeholder { padding: 2rem; border: 1px solid var(--nv-line); background: var(--nv-white); }

.nv-media-embed { margin-bottom: 2.5rem; }
.nv-video-facade { position: relative; display: grid; width: 100%; aspect-ratio: 16 / 9; place-items: center; overflow: hidden; border: 0; background: var(--nv-navy-deep); color: var(--nv-white); cursor: pointer; }
.nv-video-facade img { width: 100%; height: 100%; object-fit: cover; opacity: 0.74; }
.nv-video-facade__play { position: absolute; padding: 0.75rem 1rem; border: 1px solid var(--nv-white); background: rgba(20,41,63,0.8); color: var(--nv-white); font-weight: 600; }
.nv-video-facade:hover .nv-video-facade__play { border-color: var(--nv-gold); color: var(--nv-gold); }
.nv-video-frame { width: 100%; aspect-ratio: 16 / 9; border: 0; }
.nv-external-media { padding: 1.5rem; border: 1px solid var(--nv-line); background: var(--nv-white); }
.nv-transcript { margin-top: 2.5rem; padding: 1.25rem; border: 1px solid var(--nv-line); }
.nv-transcript summary { color: var(--nv-navy-deep); cursor: pointer; font-weight: 700; }

.nv-contact-grid, .nv-about-grid, .nv-advisory-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.8fr); gap: clamp(2rem, 7vw, 6rem); }
.nv-aside { align-self: start; padding: 1.5rem; border: 1px solid var(--nv-line); background: var(--nv-white); }
.nv-aside h2 { font-size: 1.45rem; }
.nv-klendoo-placeholder { padding: 2rem; border: 1px solid var(--nv-gold); background: #FFFDF7; }
.nv-klendoo-placeholder h2 { margin-bottom: 0.25rem; }
.nv-klendoo-placeholder p:last-child { margin-bottom: 0; }
.nv-ai-card { padding: 1.5rem; border: 1px solid var(--nv-line); background: var(--nv-white); }
.nv-ai-card__title { display: inline-block; margin-bottom: 0.45rem; color: var(--nv-navy-deep); font-family: var(--nv-serif); font-size: 1.5rem; text-decoration: none; }
.nv-ai-card p:last-child { margin-bottom: 0; color: var(--nv-grey); font-size: 0.9rem; }

.site-footer { margin-top: 0; padding: 3.5rem 0 2rem; background: var(--nv-navy-deep); color: rgba(255,255,255,0.78); }
.site-footer a { color: var(--nv-white); }
.site-footer__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 0.8fr); gap: 3rem; }
.site-footer h2, .site-footer h3 { color: var(--nv-white); font-size: 1.2rem; }
.site-footer .nv-ai-card { border-color: rgba(255,255,255,0.22); background: transparent; }
.site-footer .nv-ai-card__title { color: var(--nv-white); }
.site-footer .nv-ai-card p:last-child { color: rgba(255,255,255,0.75); }
.nv-subscribe { display: flex; gap: 0.6rem; align-items: center; }
.nv-subscribe input { min-width: 0; flex: 1; padding: 0.68rem 0.75rem; border: 1px solid rgba(255,255,255,0.45); background: transparent; color: var(--nv-white); }
.nv-subscribe button { padding: 0.7rem 0.95rem; border: 1px solid var(--nv-gold); background: var(--nv-gold); color: var(--nv-navy-deep); font-weight: 700; }
.nv-footer-meta { margin-top: 2.8rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,0.22); color: rgba(255,255,255,0.58); font-size: 0.8rem; }

.wp-block-image figcaption, figcaption { color: var(--nv-grey); font-size: 0.8rem; }
.wp-block-separator { border: 0; border-top: 1px solid var(--nv-line); }
.pagination { margin-top: 3rem; }
.nav-links { display: flex; gap: 0.5rem; }
.nav-links a, .nav-links .current { display: inline-flex; padding: 0.4rem 0.7rem; border: 1px solid var(--nv-line); text-decoration: none; }
.nav-links .current { background: var(--nv-navy); color: var(--nv-white); }

@media (max-width: 780px) {
  :root { --nv-page: min(100% - 32px, 1180px); --nv-reading: min(100% - 32px, 680px); }
  body { font-size: 17px; }
  .site-header__inner { min-height: 72px; gap: 1rem; }
  .menu-toggle { display: block; }
  .primary-navigation { display: none; position: absolute; top: 72px; right: 16px; left: 16px; z-index: 10; padding: 1rem; border: 1px solid var(--nv-line); background: var(--nv-paper); box-shadow: var(--nv-shadow); }
  .primary-navigation.is-open { display: block; }
  .primary-navigation .menu { display: grid; gap: 0.75rem; }
  .nv-problem-grid, .nv-media-grid, .nv-framework-copy, .nv-contact-grid, .nv-about-grid, .nv-advisory-grid, .site-footer__grid { grid-template-columns: 1fr; }
  .nv-writing-row { grid-template-columns: 1fr; gap: 0.45rem; }
  .nv-gate { grid-template-columns: 1fr; gap: 0.5rem; }
  .nv-subscribe { flex-wrap: wrap; }
  .nv-subscribe input { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Contact-free CV and private contact request flow */
.nv-cv { max-width: 980px; }
.nv-cv > p:not(.nv-eyebrow):not(.nv-meta) { max-width: 760px; font-size: 1.08rem; }
.nv-cv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 6vw, 5rem); }
.nv-cv-grid article { padding-top: 1.25rem; border-top: 2px solid var(--nv-gold); }
.nv-cv-grid h2 { font-size: 1.7rem; }
.nv-cv-timeline { border-top: 1px solid var(--nv-line); }
.nv-cv-timeline article { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 1.5rem; padding: 1.65rem 0; border-bottom: 1px solid var(--nv-line); }
.nv-cv-timeline .nv-meta { margin: 0.35rem 0 0; color: var(--nv-gold); font-weight: 700; }
.nv-cv-timeline h2 { margin-bottom: 0.45rem; font-size: 1.65rem; }
.nv-cv-timeline p:last-child { margin-bottom: 0; }
.nv-cv-contact { margin-top: 2.5rem; }

.nv-private-contact-form { margin-top: 2.5rem; padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--nv-line); background: var(--nv-white); }
.nv-private-contact-form label { display: block; margin-bottom: 0.4rem; color: var(--nv-navy-deep); font-weight: 700; }
.nv-private-contact-form input, .nv-private-contact-form textarea { display: block; width: 100%; padding: 0.75rem 0.85rem; border: 1px solid #AEB8C1; border-radius: 0; background: var(--nv-paper); color: var(--nv-ink); }
.nv-private-contact-form textarea { resize: vertical; }
.nv-private-contact-form .nv-button { cursor: pointer; }
.nv-contact-hp { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.nv-form-intro, .nv-form-fineprint { color: var(--nv-grey); font-size: 0.92rem; }
.nv-form-fineprint { margin-bottom: 0 !important; }
.nv-contact-notice { margin: 2.5rem 0 0; padding: 1rem 1.15rem; border-left: 4px solid var(--nv-gold); background: #FFFDF7; color: var(--nv-navy-deep); }
.nv-contact-notice.is-success { border-left-color: #2D6A4F; background: #F3FBF6; }
.nv-contact-notice.is-error { border-left-color: #9B2C2C; background: #FFF7F7; }

@media (max-width: 780px) {
  .nv-cv-grid { grid-template-columns: 1fr; }
  .nv-cv-timeline article { grid-template-columns: 1fr; gap: 0.35rem; }
  .nv-cv-timeline .nv-meta { margin-top: 0; }
}

/* Refined executive chronology */
.nv-cv-section-heading { max-width: 760px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.nv-cv-section-heading h2 { max-width: 18ch; }
.nv-cv-section-heading > p:last-child { max-width: 56rem; color: var(--nv-grey); }
.nv-cv-timeline--executive { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--nv-line); background: var(--nv-line); }
.nv-cv-timeline--executive .nv-experience-card { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 1.35rem; min-height: 270px; padding: clamp(1.4rem, 3vw, 2rem); border: 0; background: var(--nv-white); }
.nv-experience-card__period { display: flex; flex-direction: column; align-items: flex-start; gap: 0.22rem; color: var(--nv-navy-deep); font-family: var(--nv-serif); font-size: 1.2rem; line-height: 1.05; }
.nv-experience-card__period span:first-child { color: var(--nv-gold); font-size: 1.6rem; }
.nv-experience-card__period span:last-child { color: var(--nv-grey); font-family: var(--nv-sans); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.nv-experience-card__role { margin-bottom: 0.32rem; color: var(--nv-navy-deep); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.085em; line-height: 1.3; text-transform: uppercase; }
.nv-experience-card h3 { margin-bottom: 0.4rem; font-size: clamp(1.45rem, 2.3vw, 1.85rem); }
.nv-experience-card__organization { margin-bottom: 1rem; color: var(--nv-gold); font-family: var(--nv-serif); font-size: 1.08rem; }
.nv-experience-card__body > p:last-child { margin-bottom: 0; color: #3E4D5A; font-size: 0.96rem; line-height: 1.55; }

@media (max-width: 780px) {
  .nv-cv-timeline--executive { grid-template-columns: 1fr; }
  .nv-cv-timeline--executive .nv-experience-card { grid-template-columns: 82px minmax(0, 1fr); min-height: 0; }
}