/* =====================================================
   Immolabs — Portfolio / Sandbox / Dev-startup
   Palette MoteurImmo · typographie-first · touches tech
   ===================================================== */

:root {
  /* Palette MoteurImmo */
  --color-bg: #F0F5FF;
  --color-surface: #FFFFFF;
  --color-border: #C8D7F5;
  --color-border-strong: #A9BFE8;
  --color-primary: #5482DB;
  --color-primary-soft: #C8D7F5;
  --color-primary-strong: #3E6BC4;

  /* Neutres texte */
  --color-text: #0F1B33;
  --color-text-muted: #4C5B7A;
  --color-text-soft: #8796B3;

  /* Terminal / code */
  --color-code-bg: #0F1B33;
  --color-code-fg: #E5ECF9;

  /* Statuts projets */
  --status-beta: #16A34A;
  --status-lab: #5482DB;
  --status-soon: #8796B3;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 160ms;
  --dur: 260ms;

  --container: min(1080px, 100% - 2.5rem);
  --section-y: clamp(4.5rem, 10vw, 8rem);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--color-primary-strong);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--color-primary); }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

button {
  font: inherit;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 0 0 6px 6px;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

.container { width: var(--container); margin-inline: auto; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  font-weight: 400;
}
.muted { color: var(--color-text-soft); }

/* =====================================================
   Décor de fond
   ===================================================== */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.bg-grid {
  position: absolute;
  inset: -1px;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.18;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 80%);
}

/* =====================================================
   Topbar "status page"
   ===================================================== */
.topbar {
  background: var(--color-text);
  color: #C4D1EB;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}
.topbar__inner::-webkit-scrollbar { display: none; }

.topbar__seg {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.topbar__key { color: #7E93BE; }
.topbar__sep { color: #506187; }
.topbar__val { color: #E5ECF9; }

.topbar__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--status-beta);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.25);
  animation: pulse-ok 2.4s ease-in-out infinite;
}
@keyframes pulse-ok {
  0%, 100% { box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.25); }
  50%      { box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.1); }
}

/* =====================================================
   Header
   ===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(240, 245, 255, 0.8);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(255, 255, 255, 0.9);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
}
.brand:hover { color: var(--color-text); }
.brand__mark {
  display: inline-flex;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  line-height: 0;
}
.brand__mark img {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.brand__mark--footer img {
  width: 24px;
  height: 24px;
}
.brand__text {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 0.95rem;
}
.brand__text strong { font-weight: 700; }
.brand__text em {
  font-style: normal;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.nav { justify-self: center; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav__menu a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.nav__menu a:hover {
  color: var(--color-text);
  background: var(--color-primary-soft);
}

.nav__toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 9px; right: 9px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease), top var(--dur) var(--ease);
}
.nav__toggle span:nth-child(1) { top: 12px; }
.nav__toggle span:nth-child(2) { top: 18px; }
.nav__toggle span:nth-child(3) { top: 24px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { top: 18px; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { top: 18px; transform: rotate(-45deg); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--color-text);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.header-cta:hover {
  background: var(--color-primary-strong);
  color: #fff;
  transform: translateY(-1px);
}
.header-cta svg { transition: transform var(--dur-fast) var(--ease); }
.header-cta:hover svg { transform: translateY(2px); }

/* =====================================================
   Boutons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  min-height: 44px;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
  cursor: pointer;
}
.btn--primary {
  background: var(--color-text);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-strong);
  color: #fff;
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover {
  background: var(--color-surface);
  border-color: var(--color-text);
  color: var(--color-text);
}

.btn--block { width: 100%; }

.btn__kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  padding: 0 0.35rem;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.85);
}
.btn--ghost .btn__kbd {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

/* =====================================================
   Intro / Hero
   ===================================================== */
.intro {
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
}
.intro__inner {
  max-width: 820px;
}

.intro__eyebrow {
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  text-transform: lowercase;
}
.tag--ghost { background: transparent; }
.tag__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-soft 2.4s ease-in-out infinite;
}
@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

.intro__title {
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0.5rem 0 1.25rem;
  position: relative;
}
.intro__bracket {
  color: var(--color-text-soft);
  font-weight: 500;
  font-size: 0.45em;
  vertical-align: 0.75em;
  margin-right: 0.25em;
}

.cursor {
  display: inline-block;
  width: 0.12em;
  height: 0.82em;
  background: var(--color-primary);
  margin-left: 0.12em;
  vertical-align: baseline;
  animation: blink 1.05s steps(2) infinite;
  transform: translateY(0.1em);
}
@keyframes blink {
  50% { opacity: 0; }
}

.intro__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 40rem;
}
.intro__lead strong { color: var(--color-text); font-weight: 600; }

.intro__cta {
  margin-top: 2rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Signal / terminal card */
.signal {
  position: relative;
  margin-top: 3rem;
  max-width: 560px;
  background: var(--color-code-bg);
  color: var(--color-code-fg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 20px 40px -20px rgba(15, 27, 51, 0.35),
    0 0 0 1px rgba(84, 130, 219, 0.08);
  overflow: hidden;
  isolation: isolate;
}
/* Halo discret autour de la carte */
.signal::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(84, 130, 219, 0) 0%,
    rgba(84, 130, 219, 0.35) 45%,
    rgba(39, 201, 63, 0.25) 60%,
    rgba(84, 130, 219, 0) 100%
  );
  background-size: 200% 200%;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}
.signal.is-visible::before {
  opacity: 1;
  animation: signal-halo 8s linear infinite;
}
@keyframes signal-halo {
  0%   { background-position:   0% 50%; }
  100% { background-position: 200% 50%; }
}

.signal__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
  color: #8C9BBD;
  z-index: 2;
}
.signal__dots {
  display: inline-flex;
  gap: 0.3rem;
}
.signal__dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #2D3A5C;
  transition: transform var(--dur) var(--ease);
}
.signal__dots i:nth-child(1) { background: #FF5F56; }
.signal__dots i:nth-child(2) { background: #FFBD2E; }
.signal__dots i:nth-child(3) { background: #27C93F; }
.signal:hover .signal__dots i { transform: translateY(-1px); }

.signal__title {
  color: #8C9BBD;
  letter-spacing: 0.06em;
}

/* Indicateur "live" dans la barre de titre */
.signal__live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.12rem 0.5rem;
  border-radius: var(--radius-pill);
  background: rgba(39, 201, 63, 0.08);
  border: 1px solid rgba(39, 201, 63, 0.2);
  color: #7FE39A;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.signal__live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #27C93F;
  box-shadow: 0 0 0 0 rgba(39, 201, 63, 0.55);
  animation: signal-live 2s ease-out infinite;
}
@keyframes signal-live {
  0%   { box-shadow: 0 0 0 0    rgba(39, 201, 63, 0.55); }
  70%  { box-shadow: 0 0 0 7px  rgba(39, 201, 63, 0);    }
  100% { box-shadow: 0 0 0 0    rgba(39, 201, 63, 0);    }
}

.signal__body {
  position: relative;
  margin: 0;
  padding: 1rem 1.1rem 1.15rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: #CFD9EE;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: hidden;
  z-index: 2;
}
.signal__body .muted { color: #6B7AA0; }

/* Scan line très discrète qui descend en boucle longue */
.signal__body::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: -40%;
  height: 40%;
  background: linear-gradient(
    180deg,
    rgba(84, 130, 219, 0) 0%,
    rgba(84, 130, 219, 0.08) 60%,
    rgba(84, 130, 219, 0) 100%
  );
  pointer-events: none;
  opacity: 0;
}
.signal.is-visible .signal__body::after {
  opacity: 1;
  animation: signal-scan 7s linear infinite;
  animation-delay: 2s;
}
@keyframes signal-scan {
  0%   { transform: translateY(0);    }
  100% { transform: translateY(700%); }
}

/* Lignes du terminal : apparition séquentielle (effet "boot") */
.signal__line {
  display: block;
  opacity: 0;
  transform: translateX(-4px);
}
.signal.is-visible .signal__line {
  animation: signal-line-in 0.28s var(--ease) forwards;
}
.signal.is-visible .signal__line:nth-child(1) { animation-delay: 0.15s; }
.signal.is-visible .signal__line:nth-child(2) { animation-delay: 0.50s; }
.signal.is-visible .signal__line:nth-child(3) { animation-delay: 0.85s; }
.signal.is-visible .signal__line:nth-child(4) { animation-delay: 1.20s; }
.signal.is-visible .signal__line:nth-child(5) { animation-delay: 1.55s; }
.signal.is-visible .signal__line:nth-child(6) { animation-delay: 1.85s; }
@keyframes signal-line-in {
  to { opacity: 1; transform: translateX(0); }
}

.signal__line--prompt {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Caret clignotant vert style terminal */
.signal__caret {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: #27C93F;
  box-shadow: 0 0 6px rgba(39, 201, 63, 0.5);
  vertical-align: -0.15em;
  animation: signal-caret 1.05s steps(2) infinite;
}
@keyframes signal-caret {
  50% { opacity: 0; }
}

/* =====================================================
   Sections génériques
   ===================================================== */
.section {
  padding: var(--section-y) 0;
  position: relative;
}

.section__head {
  margin-bottom: 3rem;
  max-width: 680px;
}
.section__head .mono {
  margin-bottom: 1rem;
  display: inline-block;
}
.section__head h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  margin-bottom: 0.75rem;
}
.counter {
  color: var(--color-text-soft);
  font-weight: 500;
  font-size: 0.55em;
  margin-left: 0.25em;
  vertical-align: 0.2em;
}
.section__sub {
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

/* =====================================================
   Portfolio
   ===================================================== */
.portfolio {
  display: flex;
  flex-direction: column;
}

.portfolio__item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  position: relative;
  transition: background-color var(--dur) var(--ease);
}
.portfolio__item:last-child {
  border-bottom: 1px solid var(--color-border);
}
.portfolio__item::after {
  content: "";
  position: absolute;
  left: -1rem; right: -1rem;
  top: 0; bottom: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
  z-index: -1;
}
.portfolio__item:hover::after { opacity: 1; }

.portfolio__index {
  color: var(--color-text-soft);
  padding-top: 0.35rem;
  letter-spacing: 0.02em;
  font-weight: 500;
  font-size: 0.85rem;
}

.portfolio__body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 720px;
}

.portfolio__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
  flex-wrap: wrap;
}
.portfolio__head-main {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}
.portfolio__head h3,
.portfolio__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Mention "nom de code" : signale que Imovia, Immops... sont des codenames */
.portfolio__codename {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  line-height: 1;
}
.portfolio__codename-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(84, 130, 219, 0.15);
  flex-shrink: 0;
}
.portfolio__codename-slash {
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0;
}
.portfolio__item:hover .portfolio__codename {
  color: var(--color-text-muted);
}
.portfolio__item:hover .portfolio__name {
  color: var(--color-primary-strong);
}
.portfolio__name {
  transition: color var(--dur) var(--ease);
}

.portfolio__version {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-soft);
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  letter-spacing: 0.04em;
}

/* Chip statut */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.65rem 0.3rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-transform: uppercase;
}
.chip__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-text-soft);
}
.chip--beta { border-color: rgba(22, 163, 74, 0.35); color: #0F5A2C; background: #F0FBF4; }
.chip--beta .chip__dot { background: var(--status-beta); box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15); }
.chip--lab  { border-color: var(--color-primary); color: var(--color-primary-strong); background: #F5F8FF; }
.chip--lab .chip__dot { background: var(--status-lab); box-shadow: 0 0 0 3px rgba(84, 130, 219, 0.2); }
.chip--soon { background: var(--color-surface); }
.chip--soon .chip__dot { background: var(--status-soon); }

.portfolio__tag {
  font-weight: 600;
  color: var(--color-text);
  font-size: 1rem;
}

.portfolio__desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 56ch;
}

/* Meta */
.portfolio__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem 2rem;
  margin-top: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--color-border);
}
.portfolio__meta > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.75rem;
  align-items: baseline;
}
.portfolio__meta dt {
  color: var(--color-text-soft);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
.portfolio__meta dd {
  margin: 0;
  color: var(--color-text);
  font-size: 0.85rem;
}

.portfolio__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 2.75rem;
  row-gap: 0.75rem;
  margin-top: 0.75rem;
}
.portfolio__actions .portfolio__cta {
  margin-top: 0;
}

.portfolio__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-text);
  align-self: flex-start;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              gap var(--dur-fast) var(--ease);
}
.portfolio__cta:hover {
  color: var(--color-primary-strong);
  border-color: var(--color-primary-strong);
  gap: 0.7rem;
}
.portfolio__cta--info {
  font-weight: 500;
  color: var(--color-text-soft);
  border-bottom-color: var(--color-border);
}
.portfolio__cta--info:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

/* =====================================================
   À propos
   ===================================================== */
.section--about {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about__head { margin-bottom: 2.5rem; }
.about__head .mono { display: inline-block; margin-bottom: 1rem; }
.about__head h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.12;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 1.08rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 42rem;
}
.about__text strong { color: var(--color-text); font-weight: 600; }

.about__principles {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.55;
}
.about__principles li {
  display: flex;
  gap: 0.7rem;
}
.about__principles-head {
  color: var(--color-text-soft) !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.06em !important;
  text-transform: lowercase;
  padding-bottom: 0.35rem;
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: 0.3rem;
}

/* =====================================================
   Contact
   ===================================================== */
.section--contact { padding-bottom: clamp(5rem, 10vw, 8rem); }

.contact {
  max-width: 720px;
  margin-inline: auto;
}

.contact__head { margin-bottom: 2rem; }
.contact__head .mono { display: inline-block; margin-bottom: 1rem; }
.contact__head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.contact__sub { color: var(--color-text-muted); }

.contact__action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}
.contact__action--split {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}
.contact__action--split .contact__hint {
  flex-basis: 100%;
  max-width: 40rem;
  line-height: 1.45;
}
.contact__action .btn--primary svg {
  flex-shrink: 0;
}
.contact__hint {
  font-size: 0.78rem;
  margin: 0;
}
.form-empty-notice { margin-top: 1rem; }

@media (max-width: 560px) {
  .contact__action--split {
    flex-direction: column;
    align-items: stretch;
  }
  .contact__action--split .btn {
    justify-content: center;
  }
}

.contact--form { max-width: 540px; }
.contact--narrow { max-width: 640px; }

.section--subpage {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(4rem, 10vw, 6rem);
}

/* =====================================================
   Actualités (news.php)
   ===================================================== */
.news-list {
  display: flex;
  flex-direction: column;
  margin-top: 0.5rem;
}

.news-item {
  border-top: 1px solid var(--color-border);
  position: relative;
  transition: background-color var(--dur) var(--ease);
}
.news-item:last-child {
  border-bottom: 1px solid var(--color-border);
}
.news-item::after {
  content: "";
  position: absolute;
  left: -1rem;
  right: -1rem;
  top: 0;
  bottom: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
  z-index: -1;
}
.news-item:hover::after { opacity: 1; }

.news-item__body {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.35rem 1.75rem;
  padding: 1.85rem 0;
  max-width: 760px;
}
.news-item__index {
  grid-column: 1;
  grid-row: 1 / -1;
  color: var(--color-text-soft);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding-top: 0.2rem;
}
.news-item__title {
  grid-column: 2;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 650;
}
.news-item__desc {
  grid-column: 2;
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.55;
  max-width: 58ch;
}
.news-item__cta {
  grid-column: 2;
  align-self: start;
  margin-top: 0.35rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
}
.news-item__cta svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 640px) {
  .news-item__body {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
  }
  .news-item__index {
    grid-row: auto;
    padding-top: 0;
  }
}

.section-subpage__title {
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  line-height: 1.12;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

/* Formulaires (request/) */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  margin-top: 1.5rem;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.form__label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}
.form__req { color: var(--color-primary-strong); }
.form__optional { font-weight: 400; font-size: 0.85rem; }
.form__input,
.form__select,
.form__textarea {
  font: inherit;
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.form__input::placeholder,
.form__textarea::placeholder { color: var(--color-text-soft); }
.form__textarea { resize: vertical; min-height: 6rem; line-height: 1.5; }
.form__input:hover,
.form__select:hover,
.form__textarea:hover { border-color: var(--color-border-strong); }
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(84, 130, 219, 0.2);
}
.form__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234C5B7A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  padding-right: 2.25rem;
}
.form__hint {
  font-size: 0.72rem;
  line-height: 1.45;
  margin: -0.25rem 0 0;
}
.form__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.alert {
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}
.alert--success {
  background: #F0FBF4;
  border: 1px solid rgba(22, 163, 74, 0.35);
  color: #0F3D24;
}
.alert--error {
  background: #FEF2F2;
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: #7F1D1D;
}
.alert--error ul { margin: 0; padding-left: 1.1rem; }
.alert--error li { margin: 0.2em 0; }
.alert--warn {
  background: #FFFBEB;
  border: 1px solid rgba(217, 119, 6, 0.35);
  color: #78350F;
  font-size: 0.88rem;
}
.alert code.mono {
  font-size: 0.82em;
  background: rgba(255, 255, 255, 0.5);
  padding: 0.1em 0.25em;
  border-radius: 4px;
}

.soon-head__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}
.soon-tagline { font-size: 1.08rem; font-weight: 600; color: var(--color-text); }
.soon-card {
  margin-top: 1.5rem;
  padding: 1.5rem 1.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 8px 24px rgba(18, 38, 77, 0.05);
}
.soon-card__lead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}
.soon-card__lead strong { color: var(--color-text); }
.soon-card__text {
  margin: 0 0 1.25rem;
  line-height: 1.6;
}
.soon-card__text .btn { margin-right: 0.5rem; margin-bottom: 0.5rem; }
.soon-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.75rem;
  margin-top: 0.5rem;
}

/* =====================================================
   Fiche projet (project.php)
   ===================================================== */
.page-project .section__head {
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}
.page-project .section__head .mono {
  display: inline-block;
  margin-bottom: 0.75rem;
}
.page-project .section__head h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.15;
}

.project-hero {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}
.project-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
.project-hero__index { margin-bottom: 0.75rem; }
.project-hero__head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 0.65rem;
}
.project-hero__title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.project-hero__tagline {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.85rem;
}
.project-hero__desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 36rem;
}
.project-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.75rem;
  margin-top: 1.75rem;
}
.project-hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 12px 32px rgba(18, 38, 77, 0.08);
}
.project-hero__img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.project-hero__placeholder {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(145deg, var(--color-primary-soft) 0%, var(--color-bg) 55%, var(--color-surface) 100%);
  color: var(--color-text-soft);
  text-align: center;
  font-size: 0.72rem;
}
.project-hero__placeholder-label {
  max-width: 14rem;
  line-height: 1.4;
}

.project-benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.project-benefit {
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 6px 20px rgba(18, 38, 77, 0.04);
}
.project-benefit__num {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: var(--color-primary-strong);
}
.project-benefit__title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.project-benefit__desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.project-video__embed {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-inline: auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-code-bg);
  box-shadow: 0 10px 28px rgba(18, 38, 77, 0.08);
}
.project-video__embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.project-video__fallback {
  text-align: center;
  margin: 1rem 0 0;
  font-size: 0.82rem;
}
.project-video__fallback a {
  color: var(--color-text-muted);
}
.project-video__fallback a:hover {
  color: var(--color-primary-strong);
}

.project-split__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
.project-split--image-right .project-split__media { order: 2; }
.project-split--image-right .project-split__content { order: 1; }
.project-split__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.project-split__img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.project-split__placeholder {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.7rem;
  color: var(--color-text-soft);
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-primary-soft) 100%);
}
.project-split__content .mono { margin-bottom: 0.65rem; }
.project-split__title {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.project-split__desc {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  line-height: 1.65;
  max-width: 32rem;
}

.project-cta-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.project-cta-block {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.75rem;
  margin-top: 1.25rem;
}

.project-features {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.project-features__lead,
.project-demo__lead,
.project-steps__lead {
  margin-top: 0.65rem;
  max-width: 38rem;
  color: var(--color-text-muted);
  font-size: 1.02rem;
  line-height: 1.6;
}
.project-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.project-feature {
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}
.project-feature__label {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-size: 0.72rem;
  color: var(--color-primary-strong);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.project-feature__title {
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
}
.project-feature__desc {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.project-stats {
  padding-block: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(160deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.project-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.project-stat {
  text-align: center;
  padding: 0.5rem;
}
.project-stat__value {
  display: block;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-primary-strong);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}
.project-stat__label {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.project-demo {
  background: var(--color-bg);
}
.project-demo__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.project-demo__tab {
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.project-demo__tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-strong);
}
.project-demo__tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.project-demo__embed {
  display: none;
}
.project-demo__embed.is-active {
  display: block;
}
.project-demo__frame {
  position: relative;
  width: 100%;
  height: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-code-bg);
  box-shadow: 0 12px 32px rgba(18, 38, 77, 0.08);
}
.project-demo__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: project-step;
}
.project-step {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.project-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.85rem;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: 0.78rem;
}
.project-step__title {
  font-size: 1.02rem;
  margin-bottom: 0.4rem;
}
.project-step__desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .project-hero__inner,
  .project-split__inner {
    grid-template-columns: 1fr;
  }
  .project-split--image-right .project-split__media,
  .project-split--image-right .project-split__content {
    order: unset;
  }
  .project-benefits__grid {
    grid-template-columns: 1fr;
  }
  .project-features__grid {
    grid-template-columns: 1fr;
  }
  .project-stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-steps__grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  background: var(--color-bg);
}
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text-muted);
}
.site-footer__legal {
  color: var(--color-text-muted);
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.site-footer__legal a { color: var(--color-text-muted); }
.site-footer__legal a:hover { color: var(--color-primary-strong); }

/* =====================================================
   Animations
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: transform, opacity;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.portfolio .reveal:nth-child(1) { transition-delay: 0ms; }
.portfolio .reveal:nth-child(2) { transition-delay: 80ms; }
.portfolio .reveal:nth-child(3) { transition-delay: 160ms; }
.portfolio .reveal:nth-child(4) { transition-delay: 240ms; }

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1024px) {
  .topbar__seg--hide-md { display: none; }
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 2rem; }

  .portfolio__item {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 0;
  }
  .portfolio__index { padding-top: 0; }
  .portfolio__meta { grid-template-columns: 1fr; }
  .portfolio__meta > div { grid-template-columns: 110px 1fr; }
}

@media (max-width: 720px) {
  :root { --section-y: clamp(3.5rem, 10vw, 5rem); }

  .topbar__seg--hide-sm { display: none; }

  .site-header__inner {
    grid-template-columns: auto auto auto;
    gap: 0.5rem;
  }
  .header-cta { display: none; }

  .nav__toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav__menu {
    position: absolute;
    top: 64px;
    right: 1rem;
    left: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 28px rgba(18, 38, 77, 0.1);
    display: none;
  }
  .nav__menu a { padding: 0.85rem 1rem; }
  .nav__menu.is-open { display: flex; }

  .site-footer__inner { flex-direction: column; align-items: flex-start; }

  .signal { max-width: 100%; }
}

/* =====================================================
   Préférences utilisateur
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .cursor,
  .topbar__dot,
  .tag__dot,
  .signal__live-dot,
  .signal__caret { animation: none; }
  .signal__line { opacity: 1; transform: none; }
  .signal::before,
  .signal__body::after { display: none; }
}