/* ===== AREA Nantes — design system ===== */
:root{
  --ink:#1b2622;
  --petrol:#143d3d;
  --petrol-dark:#0d2b2b;
  --cream:#fbf3e6;
  --cream-soft:#f3e8d4;
  --paper:#fffaf2;
  --terracotta:#e35b32;
  --terracotta-dark:#c4451f;
  --saffron:#f0a93a;
  --sage:#6d8f73;
  --line:rgba(27,38,34,.12);
  --shadow:0 18px 50px -20px rgba(20,61,61,.35);
  --radius:20px;
  --font-display:'Fraunces', serif;
  --font-body:'Inter', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
.container{max-width:1180px;margin:0 auto;padding:0 28px;}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;margin:0 0 .5em;color:var(--petrol-dark);}
h1{font-size:clamp(2.6rem,5.5vw,4.4rem);font-weight:600;letter-spacing:-.01em;}
h1 em{font-style:italic;font-weight:500;color:var(--terracotta);}
h2{font-size:clamp(1.9rem,3.2vw,2.7rem);}
h3{font-size:1.3rem;}
p{margin:0 0 1em;color:#3a4744;}
.eyebrow{
  font-family:var(--font-body);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
  font-weight:700;
  color:var(--terracotta-dark);
  margin:0 0 .9em;
}

/* grain texture overlay */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle, rgba(227,91,50,.10) 0%, rgba(227,91,50,0) 70%);
  transform:translate(-50%,-50%);
  transition:opacity .4s ease;
  opacity:0;
}
@media(min-width:900px){.cursor-glow{opacity:1;}}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.19,1,.22,1) var(--d,0ms), transform .8s cubic-bezier(.19,1,.22,1) var(--d,0ms);}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:.95em 1.7em;border-radius:999px;font-weight:600;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:transform .35s cubic-bezier(.19,1,.22,1), box-shadow .35s ease, background .3s ease, color .3s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--terracotta);color:#fff;box-shadow:0 10px 24px -10px rgba(227,91,50,.65);}
.btn-primary:hover{background:var(--terracotta-dark);transform:translateY(-3px);box-shadow:0 16px 30px -10px rgba(227,91,50,.6);}
.btn-ghost{background:transparent;border-color:var(--petrol);color:var(--petrol-dark);}
.btn-ghost:hover{background:var(--petrol);color:#fff;transform:translateY(-3px);}
.btn-sm{padding:.6em 1.3em;font-size:.85rem;}
.link-arrow{font-weight:700;color:var(--terracotta-dark);display:inline-block;transition:transform .3s ease;}
.link-arrow:hover{transform:translateX(5px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(251,243,230,.78);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{height:40px;width:40px;object-fit:contain;border-radius:10px;}
.brand-text{font-family:var(--font-display);font-weight:600;font-size:1.25rem;color:var(--petrol-dark);}
.brand-text em{font-style:italic;color:var(--terracotta);font-weight:500;}
.main-nav ul{display:flex;gap:30px;}
.main-nav a{
  font-weight:600;font-size:.93rem;color:var(--ink);position:relative;padding:4px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--terracotta);transition:width .3s ease;
}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}
.main-nav a.active{color:var(--terracotta-dark);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:22px;height:2px;background:var(--petrol-dark);border-radius:2px;}

@media(max-width:860px){
  .main-nav{position:fixed;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .4s ease;box-shadow:0 20px 30px -20px rgba(0,0,0,.15);}
  .main-nav.open{max-height:480px;}
  .main-nav ul{flex-direction:column;gap:0;padding:10px 28px 20px;}
  .main-nav li{border-bottom:1px solid var(--line);}
  .main-nav a{display:block;padding:14px 0;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:86px 0 70px;overflow:hidden;
  display:grid;grid-template-columns:1fr;
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);z-index:0;opacity:.55;}
.blob-1{width:480px;height:480px;background:var(--saffron);top:-160px;right:-120px;opacity:.35;}
.blob-2{width:360px;height:360px;background:var(--terracotta);bottom:-140px;left:10%;opacity:.25;}
.blob-3{width:260px;height:260px;background:var(--sage);top:30%;right:28%;opacity:.2;}
.hero-lead{font-size:1.18rem;max-width:620px;color:#3a4744;}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:1.6em;}
.hero-image{
  position:relative;z-index:2;max-width:960px;margin:56px auto 0;padding:0 28px;
}
.hero-image img{
  width:100%;height:clamp(260px,42vw,460px);object-fit:cover;border-radius:28px;box-shadow:var(--shadow);
}

/* ---------- stats band ---------- */
.stats-band{background:var(--petrol-dark);padding:56px 0;color:#fff;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center;}
.stat{display:flex;flex-direction:column;align-items:center;}
.stat-num{font-family:var(--font-display);font-size:clamp(2.4rem,4vw,3.2rem);font-weight:600;color:var(--saffron);line-height:1;}
.stat-plus{font-family:var(--font-display);font-size:1.6rem;color:var(--saffron);margin-top:-4px;}
.stat p{color:rgba(255,255,255,.75);margin-top:.6em;font-size:.92rem;}
@media(max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr);row-gap:36px;}}

/* ---------- sections ---------- */
.section{padding:92px 0;}
.page-hero{padding:76px 0 40px;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;}
@media(max-width:860px){.two-col{grid-template-columns:1fr;gap:36px;}}

/* pillars (home teaser) */
.pillars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px;}
.pillar-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  transition:transform .4s cubic-bezier(.19,1,.22,1), box-shadow .4s ease;
}
.pillar-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.pillar-num{font-family:var(--font-display);font-size:2.2rem;color:var(--terracotta);font-weight:600;opacity:.75;}
@media(max-width:860px){.pillars-grid{grid-template-columns:1fr;}}

/* pillars detail (notre-action) */
.pillar-row{display:flex;gap:30px;align-items:flex-start;padding:34px 0;border-bottom:1px solid var(--line);}
.pillar-row:first-of-type{border-top:1px solid var(--line);}
.pillar-row-num{font-family:var(--font-display);font-size:2.8rem;color:var(--saffron);font-weight:600;min-width:90px;}
@media(max-width:600px){.pillar-row{flex-direction:column;gap:10px;}}

/* founder */
.founder-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center;}
.founder-image img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;object-fit:cover;aspect-ratio:3/4;}
.quote{font-family:var(--font-display);font-style:italic;font-size:1.35rem;color:var(--petrol-dark);line-height:1.4;margin:.4em 0 .7em;}
@media(max-width:860px){.founder-grid{grid-template-columns:1fr;}}

/* cta band */
.cta-band{background:linear-gradient(135deg,var(--terracotta) 0%,var(--terracotta-dark) 100%);color:#fff;border-radius:32px;margin:0 28px;padding:0;}
.cta-inner{text-align:center;max-width:680px;padding:72px 28px;}
.cta-inner h2{color:#fff;}
.cta-inner p{color:rgba(255,255,255,.88);}
.cta-inner .hero-cta{justify-content:center;}
.cta-band .btn-ghost{border-color:#fff;color:#fff;}
.cta-band .btn-ghost:hover{background:#fff;color:var(--terracotta-dark);}
.cta-band .btn-primary{background:#fff;color:var(--terracotta-dark);box-shadow:0 10px 24px -10px rgba(0,0,0,.3);}
.cta-band .btn-primary:hover{background:var(--ink);color:#fff;}

/* activities */
.activities-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.activity-card{display:flex;gap:22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .4s cubic-bezier(.19,1,.22,1),box-shadow .4s ease;}
.activity-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.activity-image{flex:0 0 150px;}
.activity-image img{width:150px;height:100%;object-fit:cover;}
.activity-text{padding:24px 24px 24px 0;}
@media(max-width:760px){.activities-grid{grid-template-columns:1fr;}.activity-card{flex-direction:column;}.activity-image{flex:none;width:100%;}.activity-image img{width:100%;height:160px;}.activity-text{padding:18px 20px;}}

/* gallery */
.gallery-section{background:var(--cream-soft);border-radius:32px;margin:0 28px;padding:80px 28px;}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px;}
.gallery-item{border-radius:16px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 10px 24px -12px rgba(20,61,61,.3);}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.19,1,.22,1);}
.gallery-item:hover img{transform:scale(1.08);}
@media(max-width:760px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:40px;}
.team-card{text-align:center;}
.team-photo{width:140px;height:140px;border-radius:50%;overflow:hidden;margin:0 auto 16px;border:4px solid var(--paper);box-shadow:var(--shadow);transition:transform .4s cubic-bezier(.19,1,.22,1);}
.team-card:hover .team-photo{transform:scale(1.06) rotate(-2deg);}
.team-photo img{width:100%;height:100%;object-fit:cover;}
.team-card h3{font-size:1.1rem;margin-bottom:.1em;}
.team-card p{color:var(--terracotta-dark);font-weight:600;font-size:.85rem;margin:0;}
@media(max-width:760px){.team-grid{grid-template-columns:repeat(2,1fr);}}
.founder-full{padding-top:40px;}

/* impact */
.impact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.impact-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .4s cubic-bezier(.19,1,.22,1),box-shadow .4s ease;border-top:4px solid var(--saffron);}
.impact-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
@media(max-width:860px){.impact-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.impact-grid{grid-template-columns:1fr;}}

/* support */
.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.support-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:38px 32px;transition:transform .4s cubic-bezier(.19,1,.22,1),box-shadow .4s ease;}
.support-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.support-card.featured{background:linear-gradient(135deg,var(--petrol) 0%,var(--petrol-dark) 100%);color:#fff;}
.support-card.featured h3,.support-card.featured p{color:#fff;}
.support-card.featured p{color:rgba(255,255,255,.82);}
@media(max-width:760px){.support-grid{grid-template-columns:1fr;}}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;}
.demo-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:6px;color:var(--petrol-dark);}
.field input,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font-family:var(--font-body);font-size:.95rem;
  background:#fff;transition:border-color .25s ease, box-shadow .25s ease;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--terracotta);box-shadow:0 0 0 4px rgba(227,91,50,.12);}
.form-note{font-size:.8rem;color:#80897f;margin-top:12px;}
.info-list{margin:22px 0;}
.info-list li{padding:16px 0;border-bottom:1px solid var(--line);}
.info-list li a{color:var(--terracotta-dark);font-weight:600;}
.social-row{display:flex;gap:12px;margin-top:18px;}
.social-row a{width:38px;height:38px;border-radius:50%;background:var(--petrol);color:#fff;display:flex;align-items:center;justify-content:center;transition:transform .3s ease,background .3s ease;}
.social-row a:hover{background:var(--terracotta);transform:translateY(-3px);}
.social-row.large a{width:44px;height:44px;}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;}.form-row{grid-template-columns:1fr;}}

/* ---------- footer ---------- */
.site-footer{background:var(--petrol-dark);color:rgba(255,255,255,.82);padding:72px 0 0;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;}
.footer-logo{height:44px;margin-bottom:16px;border-radius:10px;}
.footer-brand p{color:rgba(255,255,255,.65);font-size:.9rem;}
.footer-col h4{color:#fff;font-family:var(--font-body);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;}
.footer-col ul li{margin-bottom:12px;font-size:.92rem;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--saffron);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 28px;font-size:.8rem;color:rgba(255,255,255,.5);}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}