/* ===========================================================
   Frenchwithease — design tokens
   Cream & navy, editorial, Galderma/SEB-inspired palette
   Note: --gold / --gold-soft names are kept for low-risk reuse
   across the file, but now hold the navy accent values.
=========================================================== */

:root{
  --ink:#F8F5EE;
  --panel:#FFFFFF;
  --panel-2:#FFFFFF;
  --hairline:#E4DECB;
  --hairline-soft:#EDE8DA;
  --paper:#181B22;
  --mute:#6E6A5C;
  --mute-2:#9A9486;
  --gold:#1B2A4A;
  --gold-soft:#3C5174;
  --bleu:#5C7CB0;

  --font-display:'Bricolage Grotesque', Inter, sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --container:1160px;
  --radius:2px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

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

html{scroll-behavior:smooth;}

body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

a{color:inherit;text-decoration:none;}

ul{list-style:none;}

button{font-family:inherit;background:none;border:none;color:inherit;cursor:pointer;}

input{font-family:inherit;}

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

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

.mute{color:var(--mute);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:14px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-0.01em;
  color:var(--paper);
}

h2{font-size:clamp(28px,3.4vw,42px); line-height:1.15;}
h3{font-size:20px; line-height:1.3;}

p{color:var(--paper);}

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:48px;
  flex-wrap:wrap;
}

.link-arrow{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--mute);
  border-bottom:1px solid var(--hairline);
  padding-bottom:2px;
  white-space:nowrap;
  transition:color .2s var(--ease), border-color .2s var(--ease);
}
.link-arrow:hover{color:var(--gold); border-color:var(--gold);}

section{padding:96px 0;}

@media (max-width:768px){
  section{padding:64px 0;}
}

/* ---------- Buttons ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:14px;
  letter-spacing:.01em;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px);}

.btn-gold{
  background:var(--gold);
  color:var(--ink);
}
.btn-gold:hover{background:var(--gold-soft);}

.btn-outline{
  border-color:var(--hairline);
  color:var(--paper);
}
.btn-outline:hover{border-color:var(--gold); color:var(--gold);}

.btn-sm{padding:10px 18px; font-size:13px;}

/* ---------- Header / Nav ---------- */

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(248,245,238,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hairline-soft);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 28px;
}

.logo{
  font-family:var(--font-display);
  font-weight:700;
  font-size:18px;
  letter-spacing:-0.01em;
}
.logo .dot{color:var(--gold);}

.nav-links{
  display:flex;
  gap:32px;
  font-size:14px;
  color:var(--mute);
}
.nav-links a{transition:color .2s var(--ease);}
.nav-links a:hover{color:var(--paper);}

.nav-right{display:flex; align-items:center; gap:18px;}

.nav-toggle{
  display:none;
  font-size:22px;
  line-height:1;
}

@media (max-width:860px){
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--panel);
    border-bottom:1px solid var(--hairline);
    flex-direction:column;
    gap:0;
    max-height:0;
    overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .nav-links a{
    padding:16px 28px;
    border-top:1px solid var(--hairline-soft);
  }
  .nav-links.open{max-height:240px;}
  .nav-toggle{display:block;}
}

/* ---------- Hero ---------- */

.hero{
  padding:120px 0 80px;
  border-bottom:1px solid var(--hairline-soft);
}

.hero-grid{max-width:760px;}

.hero-fr{
  font-size:clamp(38px,6vw,68px);
  line-height:1.08;
  color:var(--paper);
}

.hero-en{
  font-family:var(--font-mono);
  font-size:15px;
  color:var(--mute);
  margin-top:18px;
  letter-spacing:.02em;
}

.hero-sub{
  max-width:520px;
  margin-top:28px;
  color:var(--mute);
  font-size:17px;
}

.hero-actions{
  display:flex;
  gap:16px;
  margin-top:40px;
  flex-wrap:wrap;
}

/* ---------- Trust strip ---------- */

.trust{
  padding:40px 0;
  border-bottom:1px solid var(--hairline-soft);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.trust-item p{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--mute);
  text-align:center;
}
@media (max-width:768px){
  .trust-grid{grid-template-columns:1fr; gap:16px;}
}

/* ---------- Method ---------- */

.method-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  margin-top:8px;
}
.method-step{
  border-top:1px solid var(--hairline);
  padding-top:24px;
}
.step-no{
  font-family:var(--font-mono);
  color:var(--gold-soft);
  font-size:13px;
}
.method-step h3{margin-top:10px;}
.method-step p{color:var(--mute); margin-top:10px; font-size:15px;}

@media (max-width:768px){
  .method-grid{grid-template-columns:1fr; gap:28px;}
}

/* ---------- Ebook cards (shared: mini preview + full product page) ---------- */

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
@media (max-width:860px){
  .grid-3{grid-template-columns:1fr; gap:28px;}
}

.ebook-card{
  background:var(--panel);
  border:1px solid var(--hairline);
  padding:28px;
  display:flex;
  flex-direction:column;
}

.ebook-cover{
  position:relative;
  height:220px;
  background:linear-gradient(150deg,var(--panel-2),var(--ink));
  border:1px solid var(--hairline);
  border-top:3px solid var(--gold);
  overflow:hidden;
  margin-bottom:20px;
  display:flex;
  align-items:flex-start;
  padding:16px;
}
.ebook-cover::before{
  content:attr(data-level);
  position:absolute;
  right:-0.08em;
  bottom:-0.18em;
  font-family:var(--font-mono);
  font-size:5.2rem;
  font-weight:600;
  color:rgba(24,27,34,0.06);
  line-height:1;
  white-space:nowrap;
}
.cover-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--gold);
  text-transform:uppercase;
  max-width:70%;
}

.ebook-level{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mute);
  letter-spacing:.05em;
  margin-bottom:10px;
}

.ebook-card h3{margin-bottom:10px;}

.ebook-pitch{color:var(--mute); font-size:14.5px; margin-bottom:18px;}

.ebook-includes{
  border-top:1px solid var(--hairline-soft);
  padding-top:16px;
  margin-bottom:24px;
  flex-grow:1;
}
.ebook-includes li{
  font-size:14px;
  color:var(--paper);
  padding-left:16px;
  position:relative;
  margin-bottom:10px;
}
.ebook-includes li::before{
  content:'—';
  position:absolute;
  left:0;
  color:var(--gold-soft);
}

.ebook-buy{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid var(--hairline-soft);
  padding-top:18px;
}
.price{
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--paper);
}

/* mini variant used on homepage */
.ebook-card.mini{padding:22px;}
.ebook-card.mini .ebook-cover{height:140px;}

/* ---------- Testimonial ---------- */

.testimonial{
  border-top:1px solid var(--hairline-soft);
  border-bottom:1px solid var(--hairline-soft);
  background:var(--panel);
}
.testimonial blockquote{
  font-family:var(--font-display);
  font-size:clamp(22px,2.6vw,30px);
  font-weight:500;
  line-height:1.4;
  max-width:760px;
  color:var(--paper);
}
.attribution{
  margin-top:20px;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--mute);
}

/* ---------- CTA final ---------- */

.cta-final{
  text-align:center;
  border-top:1px solid var(--hairline-soft);
}
.cta-final h2{margin-bottom:32px; max-width:600px; margin-left:auto; margin-right:auto;}

/* ---------- Footer ---------- */

.site-footer{
  border-top:1px solid var(--hairline-soft);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{color:var(--mute); font-size:14px; margin-top:14px; max-width:260px;}
.footer-links h4, .footer-newsletter h4{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--mute);
  margin-bottom:16px;
}
.footer-links{display:flex; flex-direction:column;}
.footer-links a{
  color:var(--paper);
  font-size:14px;
  padding:6px 0;
}
.footer-links a:hover{color:var(--gold);}
.footer-newsletter p{margin-bottom:16px; font-size:14px;}
.newsletter-form{display:flex; gap:10px;}
.newsletter-form input{
  flex:1;
  background:var(--panel);
  border:1px solid var(--hairline);
  color:var(--paper);
  padding:11px 14px;
  font-size:14px;
  border-radius:var(--radius);
}
.newsletter-form input::placeholder{color:var(--mute-2);}

.footer-bottom{
  display:flex;
  justify-content:space-between;
  padding-top:24px;
  border-top:1px solid var(--hairline-soft);
  font-size:13px;
  color:var(--mute-2);
  flex-wrap:wrap;
  gap:8px;
}

@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr; gap:32px;}
}

/* ---------- Page header (ebooks / blog) ---------- */

.page-header{
  padding-top:64px;
  border-bottom:1px solid var(--hairline-soft);
}
.page-header h1{font-size:clamp(34px,4.2vw,50px); margin-bottom:18px;}
.page-sub{color:var(--mute); max-width:560px; font-size:16px;}

/* ---------- FAQ ---------- */

.faq-list{border-top:1px solid var(--hairline);}
.faq-item{border-bottom:1px solid var(--hairline);}
.faq-q{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:22px 0;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:600;
  text-align:left;
}
.faq-icon{
  font-family:var(--font-mono);
  color:var(--gold);
  font-size:18px;
  transition:transform .25s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{color:var(--mute); padding-bottom:22px; max-width:600px; font-size:15px;}
.faq-item.open .faq-a{max-height:200px;}

/* ---------- Blog ---------- */

.filter-bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:48px;
}
.filter-btn{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:9px 16px;
  border:1px solid var(--hairline);
  color:var(--mute);
  border-radius:var(--radius);
  transition:all .2s var(--ease);
}
.filter-btn:hover{color:var(--paper); border-color:var(--mute);}
.filter-btn.active{background:var(--gold); color:var(--ink); border-color:var(--gold);}

.post-list{border-top:1px solid var(--hairline);}
.post-row{
  display:grid;
  grid-template-columns:140px 1fr 70px;
  gap:24px;
  padding:32px 0;
  border-bottom:1px solid var(--hairline);
  align-items:start;
}
.post-meta{display:flex; flex-direction:column; gap:8px;}
.post-date{font-family:var(--font-mono); font-size:12px; color:var(--mute-2);}
.post-tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gold);
  width:fit-content;
}
.post-body h3{font-size:21px; margin-bottom:8px;}
.post-body h3 a:hover{color:var(--gold);}
.post-body p{color:var(--mute); font-size:14.5px; max-width:560px;}
.post-read{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mute-2);
  text-align:right;
}

@media (max-width:700px){
  .post-row{grid-template-columns:1fr; gap:10px;}
  .post-read{text-align:left;}
}

/* ---------- Reveal-on-scroll ---------- */

.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.in{opacity:1; transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none; transition:none;}
  html{scroll-behavior:auto;}
}