/* ===========================================================
   Institut du Petit Paradis — Design System
   Romantique & poudré · blush, crème, or, mauve profond
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Jost:wght@300;400;500;600&display=swap');

:root{
  /* palette */
  --cream:        #FBF5EF;   /* base background */
  --cream-2:      #F6ECE4;   /* warm panel */
  --blush:        #F3DAD6;   /* soft blush */
  --blush-deep:   #E7BFBC;   /* deeper blush */
  --rose:         #C97B85;   /* rose accent */
  --rose-deep:    #B05E6B;   /* deeper rose */
  --plum:         #5A3A44;   /* deep mauve, body text */
  --plum-ink:     #2E2025;   /* near-black plum, headings */
  --gold:         #C2A269;   /* champagne gold */
  --gold-soft:    #D8C19A;
  --white:        #FFFFFF;

  /* type */
  --display: 'Cormorant Garamond', Georgia, serif;
  --ui: 'Jost', 'Helvetica Neue', Arial, sans-serif;

  /* spacing & misc */
  --maxw: 1280px;
  --radius: 4px;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 50px -24px rgba(90,58,68,.35);
  --shadow-card: 0 24px 60px -30px rgba(90,58,68,.45);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }

body{
  font-family:var(--ui);
  font-weight:400;
  color:var(--plum);
  background:var(--cream);
  line-height:1.6;
  overflow-x:hidden;
}

img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:0; background:none; color:inherit; }

/* ---------- typography ---------- */
h1,h2,h3,h4{ font-family:var(--display); font-weight:500; color:var(--plum-ink); line-height:1.04; letter-spacing:.005em; }
.serif-italic{ font-style:italic; }

.eyebrow{
  font-family:var(--ui);
  font-weight:500;
  font-size:.72rem;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--rose);
}
.lead{ font-size:1.15rem; color:var(--plum); font-weight:300; }

.script-accent{ font-family:var(--display); font-style:italic; color:var(--rose); }

/* ---------- layout ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 40px; }
.section{ padding:120px 0; position:relative; }
.section--tight{ padding:84px 0; }

.center{ text-align:center; }
.muted{ color:var(--rose-deep); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--ui); font-weight:500; font-size:.82rem;
  letter-spacing:.16em; text-transform:uppercase;
  padding:18px 34px; border-radius:100px;
  transition:all .45s var(--ease);
  position:relative; overflow:hidden;
}
.btn--primary{ background:var(--plum-ink); color:var(--cream); }
.btn--primary:hover{ background:var(--rose-deep); transform:translateY(-2px); box-shadow:var(--shadow-soft); }
.btn--ghost{ border:1px solid var(--blush-deep); color:var(--plum-ink); }
.btn--ghost:hover{ background:var(--blush); border-color:var(--rose); transform:translateY(-2px); }
.btn--gold{ background:linear-gradient(120deg,var(--gold),var(--gold-soft)); color:#fff; }
.btn--gold:hover{ transform:translateY(-2px); box-shadow:var(--shadow-soft); }
.btn--sm{ padding:12px 24px; font-size:.72rem; }

.link-underline{
  font-family:var(--ui); font-weight:500; font-size:.78rem;
  letter-spacing:.18em; text-transform:uppercase; color:var(--plum-ink);
  border-bottom:1px solid var(--rose); padding-bottom:4px;
  transition:.3s var(--ease);
}
.link-underline:hover{ color:var(--rose); letter-spacing:.22em; }

/* ---------- navigation ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 40px;
  transition:background .5s var(--ease), padding .5s var(--ease), box-shadow .5s var(--ease);
}
.nav.scrolled{
  background:rgba(251,245,239,.86);
  backdrop-filter:blur(16px);
  padding:14px 40px;
  box-shadow:0 1px 0 rgba(194,162,105,.18);
}
.nav__logo{
  font-family:var(--display); font-weight:600; font-size:1.45rem;
  color:var(--plum-ink); letter-spacing:.01em; line-height:1; display:flex; flex-direction:column;
}
.nav__logo small{
  font-family:var(--ui); font-weight:400; font-size:.52rem; letter-spacing:.42em;
  text-transform:uppercase; color:var(--rose); margin-top:4px;
}
.nav__links{ display:flex; align-items:center; gap:38px; }
.nav__links a:not(.btn){
  font-family:var(--ui); font-weight:400; font-size:.82rem; letter-spacing:.1em;
  text-transform:uppercase; color:var(--plum); position:relative; padding:6px 0;
  transition:color .3s var(--ease);
}
.nav__links a:not(.btn)::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0; background:var(--rose);
  transition:width .35s var(--ease);
}
.nav__links a:not(.btn):hover, .nav__links a:not(.btn).active{ color:var(--plum-ink); }
.nav__links a:not(.btn):hover::after, .nav__links a:not(.btn).active::after{ width:100%; }

.nav__burger{ display:none; width:30px; height:18px; position:relative; }
.nav__burger span{ position:absolute; left:0; width:100%; height:1.6px; background:var(--plum-ink); transition:.4s var(--ease); }
.nav__burger span:nth-child(1){ top:0; }
.nav__burger span:nth-child(2){ top:8px; }
.nav__burger span:nth-child(3){ top:16px; }

.mobile-menu{
  position:fixed; inset:0; z-index:55; background:var(--cream);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  opacity:0; pointer-events:none; transition:opacity .5s var(--ease);
}
.mobile-menu.open{ opacity:1; pointer-events:auto; }
.mobile-menu a{
  font-family:var(--display); font-size:2.4rem; color:var(--plum-ink); font-weight:500;
  padding:8px 0;
}
.mobile-menu a .num{ font-family:var(--ui); font-size:.7rem; color:var(--rose); vertical-align:super; margin-right:8px; letter-spacing:.1em; }

/* ---------- footer ---------- */
.footer{ background:var(--plum-ink); color:var(--cream); padding:90px 0 36px; }
.footer a{ color:var(--blush); transition:.3s; }
.footer a:hover{ color:var(--white); }
.footer__grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:50px; align-items:start; }
.footer__logo{ font-family:var(--display); font-size:2rem; font-weight:600; color:var(--cream); margin-bottom:14px; }
.footer h5{ font-family:var(--ui); font-weight:500; font-size:.72rem; letter-spacing:.24em; text-transform:uppercase; color:var(--gold-soft); margin-bottom:20px; }
.footer ul{ list-style:none; display:flex; flex-direction:column; gap:12px; font-size:.92rem; }
.footer__bottom{ margin-top:70px; padding-top:26px; border-top:1px solid rgba(216,193,154,.2);
  display:flex; justify-content:space-between; gap:20px; font-size:.78rem; color:var(--gold-soft); letter-spacing:.06em; }

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(34px); transition:opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s; }
.reveal.d2{ transition-delay:.16s; }
.reveal.d3{ transition-delay:.24s; }
.reveal.d4{ transition-delay:.32s; }

/* ---------- decorative ---------- */
.hr-bloom{ display:flex; align-items:center; justify-content:center; gap:16px; color:var(--gold); }
.hr-bloom::before, .hr-bloom::after{ content:''; height:1px; width:60px; background:linear-gradient(90deg,transparent,var(--gold-soft)); }
.hr-bloom::after{ background:linear-gradient(90deg,var(--gold-soft),transparent); }
.bloom-dot{ width:7px; height:7px; border-radius:50%; border:1px solid var(--gold); position:relative; }

/* ---------- responsive ---------- */
@media (max-width:920px){
  .nav__links{ display:none; }
  .nav__burger{ display:block; }
  .footer__grid{ grid-template-columns:1fr; gap:40px; }
  .wrap{ padding:0 24px; }
  .section{ padding:84px 0; }
}