/* ==========================================================================
   Alnex Labs — feuille de style
   Palette tirée des matières de l'île : basalte, lagon, lave, vétiver, sable.
   ========================================================================== */

:root {
  /* matières de l'île — constantes, indépendantes du thème */
  --basalt:      #10201E;
  --basalt-deep: #0A1615;
  --lagoon:      #0A5C58;
  --lagoon-lite: #4E9B93;
  --accent:      #2E9BFF;   /* azur électrique — liberté (ciel) + futur (électrique) */
  --accent-deep: #57ADFF;   /* survol : plus lumineux */
  --accent-ink:  #07131C;   /* texte sombre lisible sur l'azur */
  --vetiver:     #8A9A5B;
  --sand:        #E8EFEC;

  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body:    "Newsreader", Georgia, "Times New Roman", serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gut: clamp(1.25rem, 5vw, 5.5rem);
  --measure: 68ch;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------- thèmes
   Les bandes « feature » (hero, projets, portée, contact, pied) restent
   basalte dans les deux modes : ce sont les îlots sombres de la marque.
   Le thème fait basculer les bandes de lecture et le chrome.            */
:root,
:root[data-theme="light"] {
  --bg:            #E8EFEC;   /* sable */
  --bg-raised:     #F8FBF9;   /* papier — cartes */
  --surface-hover: #ffffff;
  --ink:           #10201E;   /* basalte */
  --ink-soft:      #3E4F4C;
  --hairline:      #C6D5D0;
  --secondary:     #0A5C58;   /* lagon */
  --stuck-bg:      rgba(248, 251, 249, .92);
}
:root[data-theme="dark"] {
  --bg:            #0E1C1A;
  --bg-raised:     #16302D;
  --surface-hover: #1B3A36;
  --ink:           #E8EFEC;
  --ink-soft:      rgba(232, 239, 236, .74);
  --hairline:      rgba(232, 239, 236, .14);
  --secondary:     #4E9B93;   /* lagon clair */
  --stuck-bg:      rgba(10, 22, 20, .92);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1.0625rem, .45vw + .95rem, 1.1875rem);
  line-height: 1.62;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  transition: background-color .4s var(--ease), color .4s var(--ease);
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -.022em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: .5rem;
  z-index: 100;
  background: var(--basalt);
  color: var(--sand);
  padding: .6rem 1rem;
  font-family: var(--mono);
  font-size: .8rem;
}
.skip:focus { left: .5rem; }

/* ------------------------------------------------------- petits composants */

.label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--secondary);
  margin: 0 0 1.4rem;
}
.label .s-num {
  color: var(--accent);
  margin-right: .6rem;
}
.label .s-num::before {
  content: "▲ ";
}

.lava { color: var(--accent); }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .06em;
  text-decoration: none;
  padding: .95rem 1.6rem;
  border: 1px solid transparent;
  transition: background-color .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn-solid {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn-solid:hover { background: var(--accent-deep); border-color: var(--accent-deep); }

.btn-ghost {
  color: var(--sand);
  border-color: rgba(232, 239, 236, .38);
}
.btn-ghost:hover { border-color: var(--sand); background: rgba(232, 239, 236, .08); }

/* --------------------------------------------------------------- topbar */

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem var(--gut);
  color: var(--sand);
  transition: background-color .35s var(--ease), color .35s var(--ease),
              border-color .35s var(--ease), padding .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.topbar.stuck {
  background: var(--stuck-bg);
  backdrop-filter: blur(10px);
  color: var(--ink);
  border-bottom-color: var(--hairline);
  padding-block: .75rem;
}

.topbar-utils { display: flex; align-items: center; gap: 1rem; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
  cursor: pointer;
  opacity: .72;
  transition: opacity .2s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.theme-toggle:hover { opacity: 1; color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle .i-sun { display: none; }
.theme-toggle .i-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  margin-right: auto;
}
.brand-logo { width: 30px; height: 30px; display: block; flex: none; }
.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -.01em;
}

.topnav { display: flex; gap: 1.6rem; }
.topnav a {
  font-family: var(--mono);
  font-size: .78rem;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.topnav a:hover { border-bottom-color: currentColor; }

.topcta {
  font-family: var(--mono);
  font-size: .78rem;
  text-decoration: none;
  padding: .5rem .95rem;
  border: 1px solid currentColor;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
.topcta:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ----------------------------------------------------------------- hero */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem var(--gut) 2.5rem;
  background: var(--basalt);
  color: var(--sand);
  overflow: hidden;
  isolation: isolate;
}

.contours {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .9;
}
.contours svg { width: 100%; height: 100%; display: block; }
.contours path {
  fill: none;
  stroke: var(--lagoon-lite);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.contours path.crater { stroke: var(--accent); stroke-opacity: .75 !important; }
.contours .ember { fill: var(--accent); }
.hero::after {
  /* voile porté vers la gauche : le texte reste lisible, la carte reste visible */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(102deg,
    rgba(16, 32, 30, .97) 0%,
    rgba(16, 32, 30, .9)  30%,
    rgba(16, 32, 30, .5)  56%,
    rgba(16, 32, 30, .1)  85%);
  pointer-events: none;
}

.hero-inner { max-width: 62rem; }

.eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .55rem;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--lagoon-lite);
  margin-bottom: 1.8rem;
}
.eyebrow .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(46, 155, 255, .24);
}
.eyebrow .sep { opacity: .4; }
.eyebrow .coord { color: rgba(232, 239, 236, .6); letter-spacing: .04em; }

.hero-title {
  font-size: clamp(2.6rem, 8.4vw, 7.2rem);
  font-weight: 700;
  font-stretch: 96%;
  letter-spacing: -.035em;
  line-height: .96;
  margin-bottom: 2.2rem;
}
.hero-title .word { display: block; }
.hero-title .word:nth-child(2) { padding-left: .09em; }
.hero-title .word:nth-child(3) { padding-left: .18em; }
.hero-title .word:nth-child(4) { padding-left: .27em; }

.hero-lede {
  font-size: clamp(1.1rem, .6vw + 1rem, 1.45rem);
  max-width: 46ch;
  color: rgba(232, 239, 236, .84);
  margin-bottom: 2.6rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

.hero-foot {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 5rem 0 0;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(232, 239, 236, .5);
}
.hero-foot .rule { flex: 1; height: 1px; background: rgba(232, 239, 236, .22); max-width: 12rem; }

/* -------------------------------------------------------------- sections */

.section { padding: clamp(4.5rem, 10vw, 9rem) var(--gut); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  grid-template-areas: "eyebrow eyebrow" "title sub";
  column-gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  max-width: 76rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.section-head .label { grid-area: eyebrow; }
.section-head h2 {
  grid-area: title;
  font-size: clamp(2.1rem, 4.4vw, 3.8rem);
  max-width: 20ch;
}
.section-sub {
  grid-area: sub;
  color: var(--ink-soft);
  max-width: 46ch;
  padding-bottom: .35rem;
}

/* manifeste */
.manifesto { border-bottom: 1px solid var(--hairline); }
.pull {
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.9vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -.028em;
  max-width: 34ch;
}
.pull em {
  display: block;
  margin-top: .5em;
  font-style: normal;
  color: var(--secondary);
}
.manifesto-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr));
  gap: clamp(1.5rem, 4vw, 4rem);
  max-width: 74rem;
}
.manifesto-cols p { color: var(--ink-soft); }

/* ticker : bande défilante de mots-clés */
.ticker {
  overflow: hidden;
  border-block: 1px solid var(--hairline);
  background: var(--bg);
  transition: background-color .4s var(--ease), border-color .4s var(--ease);
}
.ticker-track {
  display: flex;
  align-items: center;
  width: max-content;
  white-space: nowrap;
  animation: ticker-scroll 46s linear infinite;
}
.ticker-track span {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-block: .95rem;
}
.ticker-track .sep {
  color: var(--accent);
  margin: 0 1.5rem;
  font-size: .6rem;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* terrain : grille de données de l'île */
.terrain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
@media (max-width: 900px) { .terrain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .terrain-grid { grid-template-columns: 1fr; } }
.terrain-grid .cell {
  background: var(--bg-raised);
  padding: clamp(1.5rem, 2.6vw, 2.3rem);
  transition: background-color .3s var(--ease);
}
.terrain-grid .cell:hover { background: var(--surface-hover); }
.terrain-grid .tick {
  display: block;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 1.3rem;
}
.terrain-grid .fig {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 .7rem;
}
.terrain-grid .fig .unit {
  font-size: .34em;
  letter-spacing: .06em;
  color: var(--secondary);
  margin-left: .35em;
  vertical-align: baseline;
}
.terrain-grid .cap {
  font-family: var(--mono);
  font-size: .74rem;
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--ink-soft);
  margin: 0;
}

/* domaines */
.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
@media (max-width: 1080px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--bg-raised);
  padding: clamp(1.6rem, 2.5vw, 2.4rem);
  transition: background-color .3s var(--ease);
  position: relative;
}
.card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.card:hover { background: var(--surface-hover); }
.card:hover::after { transform: scaleX(1); }
.card .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--secondary);
  border: 1px solid var(--hairline);
  padding: .2rem .5rem;
  margin-bottom: 2.4rem;
}
.card h3 { font-size: 1.32rem; margin-bottom: .7rem; }
.card p { color: var(--ink-soft); font-size: 1.02rem; margin: 0; }

/* projets */
.projets { background: var(--basalt); color: var(--sand); }
.projets .label { color: var(--lagoon-lite); }
.projets .section-sub { color: rgba(232, 239, 236, .76); }

.projects {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
}

.project {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(232, 239, 236, .16);
  transition: border-color .3s var(--ease);
}
.project:hover { border-color: rgba(232, 239, 236, .34); }

.project-body {
  padding: clamp(1.5rem, 2.4vw, 2.2rem);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  object-fit: contain;
  margin-bottom: 1.6rem;
  transition: transform .35s var(--ease);
}
.project:hover .project-icon { transform: translateY(-3px); }
.project-meta {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.1rem;
}
.project-meta .alt {
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--accent);
}
.project-meta .status {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(232, 239, 236, .55);
  padding-left: .8rem;
  border-left: 1px solid rgba(232, 239, 236, .22);
}
.project-meta .status-live { color: var(--lagoon-lite); }

.project h3 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: .5rem; }
.project-what {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.08rem;
  color: var(--lagoon-lite);
  margin-bottom: 1rem;
}
.project-body > p { color: rgba(232, 239, 236, .74); font-size: 1.01rem; }

.project-tags {
  display: flex;
  gap: .4rem;
  margin: 1.4rem 0 1.8rem;
}
.projets .tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--lagoon-lite);
  border: 1px solid rgba(232, 239, 236, .22);
  padding: .2rem .5rem;
}

.project-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .04em;
  text-decoration: none;
  padding-bottom: .3rem;
  border-bottom: 1px solid rgba(232, 239, 236, .3);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.project-link .arrow { margin-left: .5rem; display: inline-block; transition: transform .25s var(--ease); }
.project-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.project-link:hover .arrow { transform: translate(2px, -2px); }

/* méthode */
.methode { background: var(--bg-raised); border-block: 1px solid var(--hairline); }

.profile { margin: 0 0 clamp(2rem, 4vw, 3.5rem); }
.profile-svg { width: 100%; height: auto; display: block; overflow: visible; }
.profile-grid line { stroke: var(--hairline); stroke-width: 1; stroke-dasharray: 2 6; }
.profile-line {
  fill: none;
  stroke: var(--secondary);
  stroke-width: 2.5;
  stroke-linecap: round;
}
.profile-marks circle { fill: var(--bg-raised); stroke: var(--secondary); stroke-width: 2.5; }
.profile-marks .summit { fill: var(--accent); stroke: var(--accent); }
.ml-alt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  fill: var(--accent);
}
.ml-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -.01em;
  fill: var(--ink);
}
.profile figcaption {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* cinq colonnes, comme les cinq paliers du profil ci-dessus */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(1.2rem, 2.4vw, 2rem);
}
@media (max-width: 1120px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px)  { .steps { grid-template-columns: 1fr; } }
.methode-note {
  display: none;
  margin-top: 2rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.step { border-top: 1px solid var(--ink); padding-top: 1.1rem; }
.step .alt {
  display: block;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--accent);
  margin-bottom: .8rem;
}
.step h3 { font-size: 1.22rem; margin-bottom: .5rem; }
.step p { color: var(--ink-soft); font-size: .99rem; margin: 0; }

/* portée */
.portee { background: var(--basalt); color: var(--sand); }
.portee .label { color: var(--lagoon-lite); }
.portee-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.portee-text h2 { font-size: clamp(2rem, 4vw, 3.3rem); margin-bottom: 1.6rem; }
.portee-text p { color: rgba(232, 239, 236, .78); max-width: 46ch; }

.radii { list-style: none; margin: 0; padding: 0; }
.radii li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid rgba(232, 239, 236, .16);
}
.radii .place {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.1rem;
  flex: 0 0 11.5rem;
}
.radii .track { flex: 1; min-width: 0; }
.radii .line {
  display: block;
  width: var(--w, 100%);
  height: 1px;
  background: var(--lagoon-lite);
  opacity: .7;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1s var(--ease) var(--delay, 0ms);
}
.radii li.in .line { transform: scaleX(1); }
.radii .dist {
  font-family: var(--mono);
  font-size: .84rem;
  color: var(--lagoon-lite);
  white-space: nowrap;
}
.radii .radii-note {
  display: block;
  border: 0;
  padding-top: 1.2rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(232, 239, 236, .42);
}

/* collaborer */
.partners {
  list-style: none;
  margin: 0 0 clamp(3rem, 6vw, 5rem);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.4rem, 3vw, 2.6rem);
}
@media (max-width: 1080px) { .partners { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px)  { .partners { grid-template-columns: 1fr; } }
.partners li { padding-left: 1.1rem; border-left: 2px solid var(--vetiver); }
.partners h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.partners p { color: var(--ink-soft); font-size: .99rem; margin: 0; }

.ecosystem {
  border: 1px solid var(--hairline);
  background: var(--bg-raised);
  padding: clamp(1.8rem, 4vw, 3.2rem);
  max-width: 62rem;
}
.ecosystem h3 { font-size: clamp(1.3rem, 2.2vw, 1.8rem); margin-bottom: .9rem; }
.ecosystem p { color: var(--ink-soft); max-width: 58ch; }

/* contact */
.contact { background: var(--basalt-deep); color: var(--sand); }
.contact .label { color: var(--lagoon-lite); }
.contact-inner { max-width: 78rem; }
.contact h2 { font-size: clamp(2.1rem, 5vw, 4.1rem); margin-bottom: 1.6rem; }
.contact-lede { color: rgba(232, 239, 236, .78); max-width: 46ch; margin-bottom: 3.4rem; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.contact-aside {
  border-top: 1px solid rgba(232, 239, 236, .28);
  padding-top: 1.4rem;
}
.contact-aside h3 {
  font-size: 1.15rem;
  margin-bottom: 1.4rem;
}
.contact-aside ul {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
}
.contact-aside li {
  padding: .85rem 0;
  border-bottom: 1px solid rgba(232, 239, 236, .12);
  color: rgba(232, 239, 236, .72);
  font-size: .99rem;
  line-height: 1.5;
}
.contact-aside li span {
  display: block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--lagoon-lite);
  margin-bottom: .3rem;
}
.contact-aside > p {
  font-size: .95rem;
  color: rgba(232, 239, 236, .5);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: end;
}
.field { display: flex; flex-direction: column; gap: .5rem; }
.field-wide { grid-column: 1 / -1; }
.contact-form label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(232, 239, 236, .6);
}
.contact-form input,
.contact-form textarea {
  font-family: var(--body);
  font-size: 1.02rem;
  color: var(--sand);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(232, 239, 236, .3);
  padding: .6rem 0;
  transition: border-color .25s var(--ease);
}
.contact-form textarea { resize: vertical; line-height: 1.55; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(232, 239, 236, .35); }
.contact-form .btn { grid-column: 1 / -1; justify-self: start; }
.form-note {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: .74rem;
  color: rgba(232, 239, 236, .5);
  margin: 0;
}
.form-note a { color: var(--lagoon-lite); }

/* footer */
.footer {
  background: var(--basalt-deep);
  color: rgba(232, 239, 236, .5);
  padding: 2.5rem var(--gut) 3rem;
  border-top: 1px solid rgba(232, 239, 236, .12);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem 2rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .06em;
}
.footer p { margin: 0; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -.01em;
  color: var(--sand);
  margin-right: auto;
}
.footer-logo { width: 24px; height: 24px; display: block; flex: none; }
.footer-motto { color: var(--lagoon-lite); }

/* ------------------------------------------------------------- animation */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--delay, 0ms);
}
.reveal.in { opacity: 1; transform: none; }

.profile-line, .profile-fill { transition: none; }
.profile-svg .profile-line {
  stroke-dasharray: var(--len, 1200);
  stroke-dashoffset: var(--len, 1200);
  transition: stroke-dashoffset 2.2s var(--ease);
}
.profile.in .profile-line { stroke-dashoffset: 0; }
.profile-marks circle { opacity: 0; transition: opacity .4s var(--ease) calc(var(--i, 0) * 320ms + 400ms); }
.profile.in .profile-marks circle { opacity: 1; }

.mark-label { opacity: 0; transition: opacity .55s var(--ease); }
.profile.in .mark-label { opacity: 1; }
.profile.in .mark-label:nth-of-type(1) { transition-delay: .45s; }
.profile.in .mark-label:nth-of-type(2) { transition-delay: .77s; }
.profile.in .mark-label:nth-of-type(3) { transition-delay: 1.09s; }
.profile.in .mark-label:nth-of-type(4) { transition-delay: 1.41s; }
.profile.in .mark-label:nth-of-type(5) { transition-delay: 1.73s; }

/* --------------------------------------------------------------- réactif */

@media (max-width: 960px) {
  .portee-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .section-head {
    grid-template-columns: 1fr;
    grid-template-areas: "eyebrow" "title" "sub";
    row-gap: 1.2rem;
  }
  .section-head h2 { max-width: 26ch; }
  .topnav { display: none; }
}

@media (max-width: 860px) {
  .projects { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  /* le profil est un objet d'échelle : sous cette largeur, les paliers se lisent en liste */
  .profile { display: none; }
  .methode-note { display: block; }
  .step .alt { font-size: .9rem; }
}

@media (max-width: 620px) {
  .contact-form { grid-template-columns: 1fr; }
  .radii li { flex-wrap: wrap; row-gap: .5rem; }
  .radii .place { flex-basis: 100%; }
  .radii .track { order: 2; }
  .radii .dist { order: 3; }
  .hero { padding-top: 6.5rem; }
  .hero-title { letter-spacing: -.03em; }
  .hero-title .word { padding-left: 0 !important; }
  .hero-lede { font-size: 1.08rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: .35rem; margin-top: 3rem; }
  .hero-foot .rule { display: none; }
  .eyebrow .sep { display: none; }
  .eyebrow .coord { flex-basis: 100%; }
  .hero::after {
    background: linear-gradient(158deg,
      rgba(16, 32, 30, .96) 0%,
      rgba(16, 32, 30, .86) 45%,
      rgba(16, 32, 30, .62) 100%);
  }
  .topcta { display: none; }
  .brand-name { font-size: .95rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .profile-svg .profile-line { stroke-dasharray: none; stroke-dashoffset: 0; transition: none; }
  .profile-marks circle { opacity: 1; transition: none; }
  .mark-label { opacity: 1; transition: none; }
  .radii .line { transform: none; transition: none; }
  .btn:hover { transform: none; }
  .project:hover .project-icon { transform: none; }
  .project-link:hover .arrow { transform: none; }
  .ticker-track { animation: none; transform: none; }
}