/* ==========================================================================
   SKS — Sylvain Koffi SOADAN
   Professional & Institutional Portfolio
   Design system : institutional / academic / African / sober
   Typography    : Times New Roman (dominant) + system sans (rare, technical)
   Palette       : Navy (institutional) · Green (growth/Africa) · Gold (accent)
   ========================================================================== */

/* ------------------------------------------------------------------ Tokens */
:root {
  /* Institutional palette — green leads, navy supports, gold accents */
  --green: #0f6b3c;
  --green-700: #0b5430;
  --green-600: #128048;
  --green-050: #f1f7f3;
  --green-100: #e2efe7;

  --navy: #0a243b;
  --navy-700: #0f2e4a;
  --navy-500: #17456b;

  --gold: #b8942f;
  --gold-600: #9a7820;

  /* Neutrals */
  --ink: #17202b;
  --muted: #5a6675;
  --line: #dfe3e8;
  --line-soft: #eceff3;
  --paper: #ffffff;
  --ivory: #fbfaf7;
  --bg-soft: #f6f7f9;

  /* Layout */
  --max: 1160px;
  --measure: 68ch;
  --radius: 3px;

  /* Typography */
  --serif: "Times New Roman", Times, "Liberation Serif", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  --shadow-sm: 0 1px 2px rgba(10, 36, 59, .05);
  --shadow-md: 0 10px 30px rgba(15, 107, 60, .10);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* -------------------------------------------------------------------- Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.7rem;
  line-height: 1.72;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Sober page fade — one short entrance, nothing decorative. */
body {
  animation: page-in .34s var(--ease) both;
}

@keyframes page-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 1rem;
}

p {
  margin: 0 0 1.2rem;
}

ul,
ol {
  margin: 0 0 1.2rem;
  padding-left: 2.2rem;
}

li {
  margin-bottom: .5rem;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 4rem 0;
}

small {
  font-size: 1.3rem;
}

::selection {
  background: rgba(15, 107, 60, .15);
}

/* ------------------------------------------------------ Scroll reveal (subtle) */
/*
 * Purely additive animation.
 *
 * The hidden state is applied by JavaScript (never in the markup) and is
 * additionally given a hard expiry: the `reveal-in` animation resolves to the
 * visible state after 700ms no matter what happens to the script. A section can
 * therefore never be left permanently invisible.
 */
.reveal {
  animation: reveal-in .45s var(--ease) forwards;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes reveal-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------------------------------------------------------------- Container */
.container {
  width: min(var(--max), calc(100% - 5rem));
  margin-inline: auto;
}

.container-narrow {
  width: min(880px, calc(100% - 5rem));
  margin-inline: auto;
}

/* ------------------------------------------------------------------- Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease);
}

.site-header.is-stuck {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  margin-right: auto;
  flex-shrink: 0;
}

.brand-logo {
  height: 42px;
  width: auto;
  transition: opacity .2s var(--ease);
}

.brand:hover .brand-logo {
  opacity: .82;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 1.5rem;
  font-size: 1.36rem;
  letter-spacing: 0;
  color: var(--ink);
}

.site-nav a {
  position: relative;
  padding: .35rem 0;
  color: var(--ink);
  transition: color .18s var(--ease);
}

.site-nav a:hover {
  color: var(--green);
}

/* Active page — a quiet green underline, no ornament. */
.site-nav a[aria-current="page"] {
  color: var(--green);
  font-weight: 700;
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.9rem;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  flex-shrink: 0;
  border: 1px solid var(--line);
  font-size: 1.25rem;
  font-weight: 700;
  overflow: hidden;
}

.lang-switch a {
  padding: .45rem .8rem;
  color: var(--muted);
  white-space: nowrap;
  transition: background .15s var(--ease), color .15s var(--ease);
}

.lang-switch a:hover {
  color: var(--navy);
}

.lang-switch a[aria-current="true"] {
  background: var(--green);
  color: #fff;
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 2rem;
  line-height: 1;
  padding: .5rem .9rem;
  cursor: pointer;
}

/* ------------------------------------------------------------------ Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: 1.05rem 1.8rem;
  font-family: var(--serif);
  font-size: 1.42rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease),
    border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}

.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.btn-primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  box-shadow: 0 8px 20px rgba(15, 107, 60, .22);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--green);
  border-color: rgba(15, 107, 60, .35);
}

.btn-secondary:hover {
  background: var(--green-050);
  border-color: var(--green);
}

/* Navy variant kept for institutional emphasis where green would be too loud. */
.btn-navy {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.btn-navy:hover {
  background: var(--navy-700);
}

.btn-green {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.btn-green:hover {
  background: var(--green-600);
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: .55;
  cursor: not-allowed;
}

.link-inline {
  color: var(--green);
  font-weight: 700;
  border-bottom: 1px solid rgba(15, 107, 60, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.link-inline:hover {
  color: var(--green-700);
  border-bottom-color: var(--green-700);
}

/* ------------------------------------------------------- Sections & rhythm */
.section {
  padding: 9rem 0;
}

.section-sm {
  padding: 6rem 0;
}

.section-soft {
  background: var(--green-050);
  border-block: 1px solid var(--line-soft);
}

.section-rule {
  border-top: 1px solid var(--line);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 1.4rem;
}

.section-title {
  font-size: clamp(3rem, 4vw, 4rem);
  margin-bottom: 1.2rem;
}

.section-lead {
  font-size: 1.85rem;
  color: var(--muted);
  max-width: var(--measure);
}

.section-head {
  max-width: var(--measure);
  margin-bottom: 4rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

/* --------------------------------------------------- Expertise keyword grid */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.expertise-item {
  display: block;
  padding: 1.5rem 1.8rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  background: var(--paper);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  transition: background .2s var(--ease), border-color .2s var(--ease),
    transform .2s var(--ease);
}

.expertise-item:hover {
  background: var(--green-050);
  border-left-color: var(--green-600);
  transform: translateX(2px);
}

/* ------------------------------------------------------- Journey step links */
.journey-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem;
}

.journey-step {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 2.2rem 1.8rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  background: var(--paper);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    border-top-color .22s var(--ease);
}

.journey-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-top-color: var(--green-600);
}

.journey-label {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-600);
}

.journey-step strong {
  font-size: 1.85rem;
  color: var(--ink);
}

.journey-hint {
  font-size: 1.35rem;
  color: var(--muted);
}

/* --------------------------------------------------------------------- Hero */
.hero {
  padding: 9rem 0 7.5rem;
  background:
    radial-gradient(1100px 460px at 78% -10%, var(--green-050) 0%, rgba(255, 255, 255, 0) 62%),
    var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.55fr .85fr;
  gap: 6rem;
  align-items: center;
}

.hero-title {
  font-size: clamp(4.2rem, 6vw, 6.6rem);
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--ink);
}

.hero-title span {
  color: var(--green);
}

.hero-lead {
  font-size: 2.05rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 54ch;
  margin-top: 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 3rem;
}

/* Plain text disciplines — no dots, no bullets. */
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 2.6rem;
  margin-top: 3.4rem;
  padding-top: 2.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 1.26rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-portrait {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1.4rem;
  box-shadow: var(--shadow-md);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}

.hero-portrait:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(15, 107, 60, .14);
}

.hero-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero-portrait figcaption {
  padding-top: 1.2rem;
  font-family: var(--sans);
  font-size: 1.25rem;
  color: var(--muted);
}

/* ------------------------------------------------------- Statement banner */
.statement {
  padding: 7rem 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.statement-inner {
  text-align: center;
  max-width: 76rem;
  margin-inline: auto;
}

.statement-kicker {
  font-family: var(--sans);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--green);
}

.statement h2 {
  font-size: clamp(3rem, 4.4vw, 4.4rem);
  margin: 1.4rem 0 1.6rem;
}

.statement p {
  font-size: 1.9rem;
  color: var(--muted);
  max-width: 62ch;
  margin-inline: auto;
}

/* --------------------------------------------------------------------- Cards */
.card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 3rem;
  border-top: 3px solid var(--green);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    border-color .25s var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--line);
}

.card.green {
  border-top-color: var(--green);
}

.card.navy {
  border-top-color: var(--navy);
}

.card.gold {
  border-top-color: var(--gold);
}

.card h3 {
  font-size: 2rem;
  margin-bottom: .8rem;
}

.card p {
  color: var(--muted);
  font-size: 1.55rem;
}

/* --------------------------------------------------------------- Timeline */
.timeline {
  border-left: 2px solid var(--green-100);
  padding-left: 3.4rem;
}

.timeline-item {
  position: relative;
  padding-bottom: 3.6rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -4.1rem;
  top: .9rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
}

.timeline-date {
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
}

.timeline-item h3 {
  font-size: 2.1rem;
  margin: .5rem 0 .3rem;
}

.timeline-inst {
  font-size: 1.5rem;
  color: var(--navy-500);
  font-style: italic;
  margin-bottom: .8rem;
}

/* --------------------------------------------------------------- Project grid */
.project-list {
  display: grid;
  gap: 2rem;
}

.project-row {
  display: block;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  padding: 3.2rem 3.4rem;
  background: var(--paper);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    border-left-color .22s var(--ease);
}

.project-row:hover {
  transform: translateY(-2px);
  border-left-color: var(--green-600);
  box-shadow: var(--shadow-md);
}

.project-row h3 {
  font-size: 2.3rem;
  margin-bottom: .6rem;
}

.project-domain {
  font-family: var(--sans);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .8rem;
}

.project-desc {
  color: var(--muted);
  font-size: 1.6rem;
}

/* Status + tags */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  margin: 1.6rem 0 0;
}

.tag {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--navy-500);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: .35rem .8rem;
}

/* Status is a quiet label — no coloured dot markers. */
.status {
  display: inline-flex;
  align-items: center;
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: transparent;
}

.status-concept {
  color: var(--muted);
}

.status-research {
  color: var(--navy-500);
}

.status-prototype {
  color: var(--gold-600);
}

.status-development {
  color: var(--green);
}

.status-pilot {
  color: var(--green);
}

.status-planned {
  color: var(--muted);
}

/* --------------------------------------------------------------- Spec table */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 3rem 0;
}

.spec-item {
  background: var(--paper);
  padding: 2rem;
}

.spec-item dt {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .6rem;
}

.spec-item dd {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
}

/* ------------------------------------------------------------ Data / tables */
.table-wrap {
  overflow-x: auto;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.45rem;
}

table.data th,
table.data td {
  border: 1px solid var(--line);
  padding: 1.4rem;
  text-align: left;
  vertical-align: top;
}

table.data th {
  background: var(--green-050);
  color: var(--ink);
  font-weight: 700;
}

table.data caption {
  text-align: left;
  font-size: 1.35rem;
  color: var(--muted);
  padding-bottom: 1rem;
}

/* ----------------------------------------------------------------- Note block */
.note {
  background: var(--green-050);
  border-left: 3px solid var(--green);
  padding: 2.4rem 2.8rem;
  font-size: 1.55rem;
}

.note strong {
  color: var(--ink);
}

/* --------------------------------------------------------------- Doc list */
.doc-list {
  list-style: none;
  padding: 0;
}

.doc-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.doc-list li:last-child {
  border-bottom: 0;
}

.doc-list .doc-name {
  font-weight: 700;
}

.doc-list .doc-meta {
  font-family: var(--sans);
  font-size: 1.25rem;
  color: var(--muted);
}

/* ------------------------------------------------------------------ Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 6rem 0 4rem;
  margin-top: 4rem;
  background: var(--ivory);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 4rem;
}

.footer-brand img {
  height: 42px;
  width: auto;
  margin-bottom: 1.6rem;
}

.footer-name {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ink);
}

.footer-role {
  font-size: 1.4rem;
  color: var(--muted);
}

.footer-heading {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.4rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: .7rem;
}

.footer-links a {
  color: var(--ink);
  font-size: 1.45rem;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.footer-links a:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

.footer-links a.footer-link-disabled {
  color: var(--muted);
  cursor: not-allowed;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}

.footer-links a.footer-link-disabled::after {
  content: "Coming soon";
  font-family: var(--sans);
  font-size: 1.05rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid var(--line);
  padding: .15rem .5rem;
}

.footer-bottom {
  margin-top: 4.5rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--sans);
  font-size: 1.25rem;
  color: var(--muted);
}

/* ------------------------------------------------------------------- Forms */
.form-field {
  margin-bottom: 1.8rem;
}

.form-field label {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .5rem;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--ink);
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--green);
}

.form-note {
  font-size: 1.3rem;
  color: var(--muted);
  margin-top: 1.2rem;
}

.form-status {
  margin-top: 1.6rem;
  font-size: 1.4rem;
}

/* --------------------------------------------------------- Case-study / Doc */
.page-hero {
  padding: 7rem 0 5.5rem;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(900px 380px at 82% -20%, var(--green-050) 0%, rgba(255, 255, 255, 0) 60%),
    var(--paper);
}

.page-hero .kicker {
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}

.page-hero h1 {
  font-size: clamp(3.4rem, 5vw, 5.2rem);
  margin: 1.4rem 0 1.4rem;
}

.page-hero .lead {
  font-size: 2rem;
  color: var(--muted);
  max-width: 62ch;
}

.prose {
  font-size: 1.75rem;
  line-height: 1.8;
}

.prose h2 {
  font-size: 2.8rem;
  margin: 4rem 0 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.prose h3 {
  font-size: 2.1rem;
  margin: 3rem 0 1rem;
}

.prose>p,
.prose>ul,
.prose>ol {
  max-width: var(--measure);
}

.prose ul li::marker {
  color: var(--green);
}

/* Plain in-page section links — numbers removed. */
.case-index {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 2rem;
  list-style: none;
  padding: 0 0 1.6rem;
  margin: 0 0 4rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--sans);
  font-size: 1.25rem;
}

.case-index a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.case-index a:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* Dossier */
.dossier-masthead {
  border-bottom: 2px solid var(--green);
  padding-bottom: 3rem;
  margin-bottom: 5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 3rem;
  align-items: flex-start;
}

.dossier-masthead .dossier-logo {
  height: 58px;
  width: auto;
  margin-bottom: 2rem;
}

.dossier-masthead h1 {
  font-size: clamp(3.4rem, 5vw, 5rem);
  margin-bottom: .8rem;
}

.dossier-masthead .dossier-sub {
  font-size: 1.8rem;
  color: var(--green);
  font-weight: 700;
}

.dossier-section {
  margin-bottom: 6rem;
  scroll-margin-top: 100px;
}

.dossier-section h2 {
  font-size: 2.9rem;
  margin-bottom: 1.6rem;
}

.dossier-toc {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .6rem 3rem;
  list-style: none;
  padding: 0;
  counter-reset: toc;
}

.dossier-toc li {
  border-bottom: 1px solid var(--line-soft);
}

.dossier-toc a {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  font-size: 1.5rem;
}

.dossier-toc a:hover {
  color: var(--green);
}

.dossier-toc .toc-num {
  font-family: var(--sans);
  color: var(--green);
  font-weight: 700;
}

/* --------------------------------------------------------------- Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mt-2 {
  margin-top: 2rem;
}

.mt-4 {
  margin-top: 4rem;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-4 {
  margin-bottom: 4rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--green);
  color: #fff;
  padding: 1rem 1.6rem;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------------------------------------------------------------- Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .hero-portrait {
    max-width: 420px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .journey-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .spec-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .site-nav {
    position: fixed;
    inset: 77px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem 2.5rem 2rem;
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform .24s var(--ease), visibility .24s var(--ease);
    max-height: calc(100vh - 77px);
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    padding: 1.4rem 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 1.7rem;
  }

  .site-nav a[aria-current="page"]::after {
    display: none;
  }

  .site-nav a[aria-current="page"] {
    padding-left: 1.2rem;
    border-left: 3px solid var(--green);
  }

  .nav-tools .btn {
    display: none;
  }

  .menu-btn {
    display: inline-block;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 1.6rem;
  }

  .container,
  .container-narrow {
    width: calc(100% - 3.2rem);
  }

  .section {
    padding: 6rem 0;
  }

  .hero {
    padding: 5rem 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .expertise-grid,
  .journey-grid {
    grid-template-columns: 1fr;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .timeline {
    padding-left: 2.6rem;
  }

  .timeline-item::before {
    left: -3.4rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .dossier-toc {
    grid-template-columns: 1fr;
  }

  .dossier-masthead {
    flex-direction: column;
  }

  .brand-logo {
    height: 36px;
  }

  .nav-wrap {
    min-height: 66px;
  }

  .site-nav {
    inset: 67px 0 auto 0;
  }

  .brand {
    margin-right: 0;
  }

  .nav-wrap {
    justify-content: space-between;
  }

  .nav-tools {
    margin-left: 0;
  }
}

/* -------------------------------------------------------- Reduced motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ------------------------------------------------------------------- Print */
@media print {
  @page {
    margin: 1.8cm;
    size: A4;
  }

  .site-header,
  .site-footer,
  .btn,
  .menu-btn,
  .lang-switch,
  .case-index,
  .no-print {
    display: none !important;
  }

  body {
    font-size: 11.5pt;
    color: #000;
    background: #fff;
    line-height: 1.5;
  }

  .container,
  .container-narrow {
    width: 100%;
    max-width: 100%;
  }

  .section,
  .page-hero {
    padding: 1rem 0;
    background: #fff;
  }

  .page-hero {
    border-bottom: 1px solid #000;
  }

  .prose h2,
  h1,
  h2,
  h3 {
    page-break-after: avoid;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  .dossier-section,
  .timeline-item,
  .card,
  .project-row,
  table.data tr {
    page-break-inside: avoid;
  }
}
/* ==========================================================================
   International frame — flag frise around the page
   --------------------------------------------------------------------------
   Four thin bands of small flag tiles border the viewport, echoing the
   "Togo, Africa, world" reading of the profile. The bands sit behind the
   page (z-index -1), are pointer-events:none and aria-hidden, so they never
   intercept a click or a keyboard focus. Below 1024px they are removed.
   -------------------------------------------------------------------------- */
:root {
  --frame-band: 14px;
  --frame-inset: 0px;
}

.flag-frame {
  position: fixed;
  z-index: -1;
  display: flex;
  pointer-events: none;
  overflow: hidden;
  background: var(--paper);
  border-color: var(--line);
  border-style: solid;
  border-width: 0;
}

/* Vertical bands: left and right edges, a column of spaced tiles. */
.flag-frame-left,
.flag-frame-right {
  top: var(--frame-band);
  bottom: var(--frame-band);
  width: var(--frame-band);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 9px;
  padding: 10px 0;
}

.flag-frame-left {
  left: var(--frame-inset);
  border-right-width: 1px;
}

.flag-frame-right {
  right: var(--frame-inset);
  border-left-width: 1px;
}

/* Horizontal bands: top and bottom edges, a row of spaced tiles. */
.flag-frame-top,
.flag-frame-bottom {
  left: var(--frame-band);
  right: var(--frame-band);
  height: var(--frame-band);
  align-items: center;
  justify-content: flex-start;
  gap: 9px;
  padding: 0 10px;
}

.flag-frame-top {
  top: var(--frame-inset);
  border-bottom-width: 1px;
}

.flag-frame-bottom {
  bottom: var(--frame-inset);
  border-top-width: 1px;
}

/* Each tile is a real national flag, rendered from its SVG source. */
.flag-tile {
  flex: none;
  width: 20px;
  height: 13px;
  border: 1px solid rgba(10, 36, 59, .14);
  background-color: var(--bg-soft);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: .62;
  animation: flag-float 7s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * -.42s);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

/* Togo leads the frise: the first tile in each band is fully opaque. */
.flag-frame .flag-tile:first-child {
  opacity: 1;
  border-color: rgba(15, 107, 60, .45);
}

@keyframes flag-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

/* The frame is decoration; it must never narrow the reading column. */
@media (max-width: 1023px) {
  .flag-frame {
    display: none;
  }
}

/* Near-black and white printing: the frame is dropped entirely. */
@media print {
  .flag-frame {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .flag-tile {
    animation: none;
  }
}

/* ==========================================================================
   About page — progressive reveal, timeline, credentials, values
   ========================================================================== */

/* Sticky in-page navigation for the profile sections. */
.about-nav {
  position: sticky;
  top: 77px;
  z-index: 40;
  background: rgba(251, 250, 247, .94);
  backdrop-filter: blur(6px);
  border-block: 1px solid var(--line-soft);
}

.about-nav .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0 2.4rem;
  padding-block: 1.2rem;
}

.about-nav a {
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  padding-block: .3rem;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.about-nav a:hover,
.about-nav a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* Identity hero: portrait plus a long-form intro. */
.identity-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 6rem;
  align-items: start;
}

.identity-portrait {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1.2rem;
  box-shadow: var(--shadow-md);
}

.identity-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.identity-portrait figcaption {
  padding-top: 1rem;
  font-family: var(--sans);
  font-size: 1.22rem;
  color: var(--muted);
}

.identity-intro .lead-strong {
  font-size: 2.3rem;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 2.4rem;
}

.identity-intro p {
  font-size: 1.72rem;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 1.6rem;
}

/* Pull-quote used to open the vision section. */
.pull-quote {
  border-left: 3px solid var(--gold);
  padding: 1rem 0 1rem 2.6rem;
  margin: 0 0 3rem;
  font-size: 2.4rem;
  line-height: 1.5;
  color: var(--navy);
  font-style: italic;
}

/* ------------------------------------------------------------ Timeline */
.timeline-stage {
  position: relative;
  padding: 0 0 3.4rem 3.4rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

.timeline-stage.is-visible {
  opacity: 1;
  transform: none;
}

.timeline-stage:last-child {
  padding-bottom: 0;
}

.timeline-stage::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--green);
  z-index: 1;
}

/* The connecting rail is dashed, so the stage markers read as a journey. */
.timeline-stage::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2rem;
  bottom: 0;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--green-100) 0 5px,
    transparent 5px 11px
  );
}

.timeline-stage:last-child::after {
  display: none;
}

.timeline-stage .stage-date {
  font-family: var(--sans);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green);
}

.timeline-stage h3 {
  font-size: 2.1rem;
  margin: .5rem 0 .3rem;
}

.timeline-stage .stage-place {
  font-size: 1.5rem;
  color: var(--navy-500);
  font-style: italic;
  margin-bottom: .9rem;
}

.timeline-stage p.stage-text {
  font-size: 1.62rem;
  color: var(--muted);
  max-width: var(--measure);
}

/* Skills earned at each stage, rendered as quiet chips. */
.stage-skills {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
  padding: 0;
  list-style: none;
}

.stage-skills li {
  font-family: var(--sans);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--navy-500);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: .32rem .8rem;
}

/* ------------------------------------------------- Expanding experience */
.exp-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  background: var(--paper);
  padding: 2.6rem 3rem;
}

.exp-card h3 {
  font-size: 2rem;
  margin-bottom: .3rem;
}

.exp-card .exp-org {
  font-size: 1.45rem;
  color: var(--navy-500);
  font-style: italic;
}

.exp-card .exp-summary {
  font-size: 1.6rem;
  color: var(--muted);
  margin-top: 1rem;
}

.exp-toggle {
  margin-top: 1.6rem;
  font-family: var(--sans);
  font-size: 1.24rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--green);
  background: none;
  border: 0;
  border-bottom: 1px solid rgba(15, 107, 60, .35);
  padding: 0 0 .2rem;
  cursor: pointer;
}

.exp-toggle:hover {
  color: var(--green-700);
  border-bottom-color: var(--green-700);
}

.exp-detail {
  margin-top: 1.8rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line-soft);
  font-size: 1.55rem;
  color: var(--muted);
}

.exp-detail[hidden] {
  display: none;
}

.exp-detail ul {
  margin-top: .8rem;
}

/* ------------------------------------------------------ Identity pillars */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.4rem;
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 2.6rem 2rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  background: var(--paper);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.pillar:nth-child(2) { border-top-color: var(--navy); }
.pillar:nth-child(3) { border-top-color: var(--gold); }
.pillar:nth-child(4) { border-top-color: var(--green-600); }
.pillar:nth-child(5) { border-top-color: var(--navy-500); }

.pillar:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.pillar .pillar-label {
  font-family: var(--sans);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}

.pillar:nth-child(2) .pillar-label { color: var(--navy); }
.pillar:nth-child(3) .pillar-label { color: var(--gold-600); }

.pillar p {
  font-size: 1.5rem;
  color: var(--muted);
  margin: 0;
}

/* ------------------------------------------------------------- Values */
.value-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 3rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.value-list li {
  display: flex;
  gap: 1.4rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}

.value-list .value-key {
  font-family: var(--sans);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green);
  flex: none;
  min-width: 13rem;
}

.value-list .value-text {
  font-size: 1.55rem;
  color: var(--muted);
}

/* ------------------------------------------------------- Language band */
.lang-band {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-top: 2.4rem;
}

.lang-chip {
  flex: 1 1 18rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  background: var(--paper);
  padding: 1.8rem 2rem;
}

.lang-chip strong {
  display: block;
  font-size: 1.7rem;
  color: var(--ink);
}

.lang-chip span {
  font-size: 1.4rem;
  color: var(--muted);
}

/* ==========================================================================
   Projects — domain filters and collaboration call
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-bottom: 3.4rem;
  padding: 0;
  border: 0;
}

.filter-bar button {
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: .7rem 1.4rem;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease),
    background .18s var(--ease);
}

.filter-bar button:hover {
  color: var(--green);
  border-color: rgba(15, 107, 60, .4);
}

.filter-bar button.is-active {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

/* Filtered-out project cards are removed from flow, then faded back in. */
[data-domains].is-hidden {
  display: none;
}

[data-domains].is-filtered-in {
  animation: filter-in .32s var(--ease) both;
}

@keyframes filter-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.filter-empty {
  font-size: 1.6rem;
  color: var(--muted);
  padding: 2rem 0;
}

/* Collaboration invitation band closing the projects page. */
.collab-band {
  background: var(--navy);
  color: #fff;
  padding: 7rem 0;
}

.collab-band h2 {
  color: #fff;
  font-size: clamp(2.8rem, 4vw, 4rem);
}

.collab-band p {
  color: rgba(255, 255, 255, .78);
  font-size: 1.7rem;
  max-width: 62ch;
}

.collab-band .btn-primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.collab-band .btn-primary:hover {
  background: #a0831f;
  border-color: #a0831f;
  box-shadow: none;
}

.collab-band .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, .45);
}

.collab-band .btn-secondary:hover {
  background: rgba(255, 255, 255, .08);
  border-color: #fff;
}

.collab-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 3rem;
  list-style: none;
  padding: 0;
  margin: 3.4rem 0 0;
}

.collab-list li {
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
  font-size: 1.5rem;
  color: rgba(255, 255, 255, .82);
}

/* ==========================================================================
   Responsive additions
   ========================================================================== */
@media (max-width: 1024px) {
  .identity-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .identity-portrait {
    max-width: 420px;
  }

  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .collab-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .about-nav {
    top: 67px;
  }
}

@media (max-width: 620px) {
  .about-nav {
    position: static;
    backdrop-filter: none;
  }

  .about-nav .container {
    gap: 0 1.6rem;
    padding-block: 1rem;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .about-nav a {
    font-size: 1.1rem;
    white-space: nowrap;
  }

  .pillar-grid,
  .value-list,
  .collab-list {
    grid-template-columns: 1fr;
  }

  .value-list li {
    flex-direction: column;
    gap: .4rem;
  }

  .timeline-stage {
    padding-left: 2.8rem;
  }

  .identity-intro .lead-strong {
    font-size: 1.95rem;
  }
}