/* =========================================================
   Indiviz — Coastal Premium (warm island / pool / sun)
   Single complete stylesheet (no patch).
   Matches your current HTML class names across all pages.
   ========================================================= */

/* =========================
   1) TOKENS
   ========================= */
:root{
  color-scheme: light;

  /* Warm premium coastal palette */
  --bg: #FBF6EE;                 /* sand */
  --paper: #FFFFFF;              /* cards */
  --ink: #1C1B18;                /* warm charcoal */
  --muted: #5F5A52;              /* warm gray */

  --line: rgba(28,27,24,.14);
  --line-2: rgba(28,27,24,.08);

  --accent: #0B6B6F;             /* lagoon teal */
  --accent-ink: #FFFFFF;
  --sun: #D6A24A;                /* muted gold highlight */
  --tint: rgba(11,107,111,.10);  /* hover tint */

  --shadow: 0 18px 48px rgba(28,27,24,.10);
  --shadow-sm: 0 10px 24px rgba(28,27,24,.08);

  --radius: 18px;
  --radius-sm: 12px;

  --container: 1120px;
  --content: 70ch;

  --font-sans: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-serif: Fraunces, Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --h1: clamp(2.25rem, 4.2vw, 3.35rem);
  --h2: clamp(1.6rem, 2.6vw, 2.25rem);
  --h3: 1.25rem;
  --lead: clamp(1.05rem, 1.35vw, 1.2rem);
  --text: 1rem;
  --small: .92rem;

  --focus: color-mix(in srgb, var(--accent), white 35%);

  /* Background glows */
  --glow-sun: rgba(214,162,74,.18);
  --glow-lagoon: rgba(11,107,111,.16);
}

/* Optional dark theme (if later you set <html data-theme="dark">) */
:root[data-theme="dark"]{
  color-scheme: dark;

  --bg: #0E1010;
  --paper: #141819;
  --ink: #F3EFE7;
  --muted: rgba(243,239,231,.70);

  --line: rgba(243,239,231,.14);
  --line-2: rgba(243,239,231,.08);

  --tint: rgba(11,107,111,.16);

  --shadow: 0 18px 52px rgba(0,0,0,.38);
  --shadow-sm: 0 10px 26px rgba(0,0,0,.28);

  --glow-sun: rgba(214,162,74,.14);
  --glow-lagoon: rgba(11,107,111,.14);
}

/* =========================
   2) BASE / RESET
   ========================= */
*,
*::before,
*::after{ box-sizing: border-box; }

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

body{
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: var(--text);
  line-height: 1.6;
  color: var(--ink);
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(1200px 600px at 16% -10%, var(--glow-sun), transparent 60%),
    radial-gradient(1000px 520px at 92% 12%, var(--glow-lagoon), transparent 55%),
    radial-gradient(900px 520px at 45% 110%, rgba(11,107,111,.10), transparent 60%),
    var(--bg);
}

img, svg, video{ max-width: 100%; height: auto; display: block; }
button, input, textarea, select{ font: inherit; color: inherit; }

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: .22em; }

:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 10px;
}

::selection{
  background: color-mix(in srgb, var(--sun), white 70%);
  color: var(--ink);
}

/* Typography */
h1, h2, h3{
  font-family: var(--font-serif);
  letter-spacing: -.02em;
}
h1{ font-size: var(--h1); line-height: 1.12; margin: 1rem 0 .75rem; }
h2{ font-size: var(--h2); line-height: 1.18; margin: 0; }
h3{ font-size: var(--h3); line-height: 1.25; margin: 0; }

.lead{
  font-size: var(--lead);
  color: color-mix(in srgb, var(--ink), transparent 18%);
  max-width: var(--content);
}
.note{
  font-size: var(--small);
  color: var(--muted);
  max-width: var(--content);
}
small{ font-size: var(--small); }

/* =========================
   3) LAYOUT PRIMITIVES
   ========================= */
.container{
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.hr{
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin: 2.25rem 0;
}

.stack > * + *{ margin-top: 1.25rem; }
.stack-lg > * + *{ margin-top: 2rem; }

/* Skip link */
.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus{
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  z-index: 9999;
}

/* Utility (used by forms) */
.hidden{
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* =========================
   4) HEADER / NAV
   ========================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg), white 40%);
  border-bottom: 1px solid var(--line-2);
}
@supports (backdrop-filter: blur(10px)){
  .site-header{
    backdrop-filter: saturate(180%) blur(10px);
    background: color-mix(in srgb, var(--bg), transparent 18%);
  }
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
}
.brand-mark{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-sm);
  background: color-mix(in srgb, var(--paper), var(--bg) 35%);
  display: grid;
  place-items: center;
}
.brand-mark img{ width: 100%; height: 100%; object-fit: cover; }

.brand-title{
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -.02em;
}
.brand-title small{
  color: var(--muted);
  font-weight: 500;
  font-size: .82rem;
}

.nav{
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav a{
  font-size: .95rem;
  padding: 8px 10px;
  border-radius: 999px;
  color: color-mix(in srgb, var(--ink), transparent 14%);
  text-decoration: none;
}
.nav a:hover{
  background: var(--tint);
  text-decoration: none;
}
.nav a[aria-current="page"]{
  background: color-mix(in srgb, var(--ink), transparent 92%);
}

.header-actions{
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper), var(--bg) 35%);
  box-shadow: var(--shadow-sm);
  font-weight: 650;
  font-size: .95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform .08s ease, filter .15s ease, border-color .15s ease;
}
.btn:hover{
  text-decoration: none;
  border-color: color-mix(in srgb, var(--accent), transparent 55%);
}
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent), white 10%),
    var(--accent)
  );
  color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent), transparent 45%);
  box-shadow: 0 14px 34px rgba(11,107,111,.26);
}
.btn-primary:hover{ filter: brightness(.98); }

.btn-quiet{
  background: transparent;
  box-shadow: none;
}

/* Active state for header CTA buttons on their own pages (you already use aria-current="page") */
.btn[aria-current="page"]{
  border-color: color-mix(in srgb, var(--accent), transparent 55%);
}
.btn-quiet[aria-current="page"]{
  background: var(--tint);
  border-color: transparent;
  box-shadow: none;
}

/* Mobile menu button */
.menu-btn{
  display: none;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper), var(--bg) 35%);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.menu-btn svg{ width: 18px; height: 18px; }

/* =========================
   5) HERO
   ========================= */
.hero{ padding: 64px 0 22px; }

.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 34px;
  align-items: start;
}

.kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .92rem;
  color: color-mix(in srgb, var(--ink), transparent 20%);
  background: color-mix(in srgb, var(--paper), var(--bg) 45%);
  border: 1px solid var(--line-2);
  padding: 8px 12px;
  border-radius: 999px;
  box-shadow: 0 10px 22px rgba(28,27,24,.05);
}
.kicker .dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--sun);
  box-shadow: 0 0 0 6px rgba(214,162,74,.14);
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* badges */
.badges{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.badge{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--paper), var(--bg) 45%);
  font-size: .92rem;
  color: color-mix(in srgb, var(--ink), transparent 20%);
}
.badge svg{ width: 18px; height: 18px; opacity: .9; }

/* side panel */
.panel{
  background: color-mix(in srgb, var(--paper), var(--bg) 30%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.panel h3{ font-size: 1.2rem; margin: 0 0 10px; }
.panel p{ margin: 0; color: color-mix(in srgb, var(--ink), transparent 22%); }
.panel .mini{
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-2);
  color: var(--muted);
  font-size: .92rem;
}
.panel .mini a{
  color: color-mix(in srgb, var(--accent), black 4%);
  text-decoration: none;
}
.panel .mini a:hover{ text-decoration: underline; }

/* KPIs */
.kpis{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.kpi{
  background: color-mix(in srgb, var(--paper), var(--bg) 35%);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  padding: 12px;
}
.kpi strong{
  display: block;
  font-size: 1.25rem;
  letter-spacing: -.02em;
}
.kpi span{
  display: block;
  color: var(--muted);
  font-size: .92rem;
  margin-top: 4px;
}

/* =========================
   6) SECTIONS / CONTENT
   ========================= */
.section{ padding: 46px 0; }

.section-title{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.section-title p{
  margin: 0;
  color: var(--muted);
  max-width: var(--content);
}

.columns{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}

/* prose */
.prose{ max-width: var(--content); }
.prose p{ margin: 0 0 1rem; }
.prose ul{ margin: .5rem 0 1.2rem 1.2rem; }
.prose li{ margin: .25rem 0; }

.prose .callout{
  margin: 1.4rem 0;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--paper), var(--bg) 45%);
  box-shadow: 0 12px 26px rgba(28,27,24,.06);
}
.prose code{
  font-family: var(--mono);
  font-size: .92em;
  padding: 2px 6px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: color-mix(in srgb, var(--paper), var(--bg) 45%);
}

.disclaimer{
  font-size: .92rem;
  color: color-mix(in srgb, var(--ink), transparent 28%);
  background: color-mix(in srgb, var(--paper), var(--bg) 45%);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  padding: 12px 14px;
}

/* pills */
.pill-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.pill{
  font-size: .92rem;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--paper), var(--bg) 45%);
  color: color-mix(in srgb, var(--ink), transparent 20%);
}

/* list (steps / bullets) */
.list{ border-top: 1px solid var(--line-2); }
.list-item{
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.list-item .icon{
  width: 24px;
  height: 24px;
  margin-top: 2px;
  flex: 0 0 auto;
  opacity: .92;
}
.list-item p{
  margin: 6px 0 0;
  color: color-mix(in srgb, var(--ink), transparent 24%);
}

/* =========================
   7) FORMS (contact / déposer / rejoindre)
   ========================= */
.form{ max-width: var(--content); }

.field{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 12px 0;
}

label{
  font-weight: 650;
  letter-spacing: -.01em;
}

input, textarea, select{
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper), var(--bg) 35%);
  border-radius: 14px;
  padding: 12px;
  color: var(--ink);
  box-shadow: 0 10px 22px rgba(28,27,24,.05);
}

textarea{ min-height: 140px; resize: vertical; }

.help{
  color: var(--muted);
  font-size: .92rem;
}

/* Two columns for inline fields */
.inline{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Checkbox row */
.checkbox{
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.checkbox input{
  width: 18px;
  height: 18px;
  margin-top: 3px;
  box-shadow: none;
}

.form-actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.success{
  border: 1px solid color-mix(in srgb, var(--accent), transparent 70%);
  background: color-mix(in srgb, var(--accent), transparent 92%);
  padding: 12px 14px;
  border-radius: 16px;
  color: color-mix(in srgb, var(--ink), transparent 20%);
}

/* Premium select arrow (keeps native on iOS usable) */
select{
  appearance: none;
  padding-right: 2.25rem;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

/* =========================
   8) PROJECTS TOOLBAR (projets.html)
   ========================= */
.projects-toolbar{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin: 10px 0 16px;
}

.search{ flex: 1 1 280px; }
.search input{ width: 100%; }

.projects{
  max-width: 88ch;
  border-top: 1px solid var(--line-2);
}

/* =========================
   9) FOOTER
   ========================= */
.site-footer{
  border-top: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--paper), var(--bg) 55%);
  padding: 26px 0;
}

.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 18px;
  align-items: start;
}

.footer-links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  justify-content: flex-end;
}
.footer-links a{
  color: color-mix(in srgb, var(--ink), transparent 28%);
  text-decoration: none;
}
.footer-links a:hover{ text-decoration: underline; }

.smallprint{
  color: var(--muted);
  font-size: .9rem;
  margin-top: 6px;
  max-width: 90ch;
}

/* =========================
   10) RESPONSIVE
   ========================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .columns{ grid-template-columns: 1fr; }
  .kpis{ grid-template-columns: 1fr; }
  .inline{ grid-template-columns: 1fr; }
}

@media (max-width: 860px){
  .menu-btn{ display: inline-flex; }

  .nav{
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    display: none;
    padding: 10px;
  }
  .nav.open{
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    background: color-mix(in srgb, var(--bg), white 35%);
    border-bottom: 1px solid var(--line-2);
  }
  @supports (backdrop-filter: blur(10px)){
    .nav.open{ backdrop-filter: blur(10px); }
  }

  .nav a{ width: 100%; }
  .header-actions{ gap: 8px; }
}

/* =========================
   11) REDUCED MOTION
   ========================= */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition: none !important; animation: none !important; }
}
