@import url("https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&display=swap");

/* ===============================
   TOKENS (clair par défaut)
=================================*/
:root{
  /* Font */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji",
               "Segoe UI Emoji";
  --font-display: "Syne", var(--font-sans);

  /* Couleurs */
  --bg:#faf8f3;
  --card:#ffffff;
  --text:#33322d;
  --muted:#7c7a70;
  --line:#ecebe3;
  --link:#4a86c8;
  --link-strong:#2f5f8f;

  /* Effets / rayons / focus */
  --shadow:0 10px 30px rgba(60,55,40,.07);
  --radius-lg:20px;
  --radius-md:14px;
  --focus:2px solid #a8cdf0;

  /* Glass (clair) — aplati, presque plus de flou pour un rendu épuré */
  --glass-bg:rgba(255,255,255,.78);
  --glass-soft:rgba(255,255,255,.85);
  --glass-ink:rgba(51,50,45,.08);
  --glass-border:rgba(51,50,45,.06);
  --glass-card:rgba(255,255,255,.96);
  --glass-card-border:rgba(51,50,45,.07);

  /* Fond & blur */
  --bg-gradient:linear-gradient(180deg,#faf8f3 0%,#f1efe6 100%);
  --bf-header:saturate(140%) blur(12px);
  --bf-chip:saturate(120%) blur(3px);
  --bf-card:none;
}

body.dark{
  --bg:#232323;
  --card:#2b2b2b;
  --text:#f3f0e6;
  --muted:#b3b1ab;
  --line:#3a3a3a;
  --link:#8ec2ee;
  --link-strong:#cfe4fa;
  --shadow:0 14px 34px rgba(0,0,0,.3);

  --glass-bg:rgba(35,35,35,.78);
  --glass-soft:rgba(41,41,41,.85);
  --glass-ink:rgba(255,255,255,.07);
  --glass-border:rgba(255,255,255,.08);
  --glass-card:rgba(41,41,41,.96);
  --glass-card-border:rgba(255,255,255,.08);

  --bg-gradient:linear-gradient(180deg,#1e1e1e 0%,#272727 100%);
}

/* ===============================
   BASE
=================================*/
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
html{scroll-behavior:smooth;color-scheme:light dark}

body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg-gradient);
  color:var(--text);
  line-height:1.6;
  font-optical-sizing:auto;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Stop scroll horizontal (iPhone/Safari) */
html, body{
  width:100%;
  max-width:100%;
  overflow-x:hidden;
}
@supports (overflow: clip){
  html, body{ overflow-x: clip; }
}

img, video, svg, canvas{
  max-width:100%;
  height:auto;
  display:block;
}

a{color:inherit;text-decoration:none}
[hidden]{display:none!important}

:focus-visible{
  outline:var(--focus);
  outline-offset:2px;
  border-radius:10px;
  box-shadow:0 0 0 4px rgba(74,134,200,.25);
}

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

/* Transitions globales */
@media (prefers-reduced-motion:no-preference){
  body,.site-header,.site-footer,.accordion .card,.acc-btn,.sub-list li a,
  #themeToggle,.cookie-banner,.btn,.mail-link,.cookie-btn{
    transition:background-color .25s ease,color .25s ease,border-color .25s ease,
               box-shadow .25s ease,backdrop-filter .25s ease,transform .2s ease,opacity .2s ease;
  }
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-0.01em;
}

/* ===============================
   LAYOUT
=================================*/
.container{
  max-width:960px;
  margin:0 auto;
  padding:40px 20px;
}

/* ===============================
   SKIP LINK
=================================*/
.skip-link{
  position:absolute;
  left:12px; top:12px;
  z-index:9999;
  padding:10px 12px;
  border-radius:10px;
  background:var(--text);
  color:var(--bg);
  transform:translateY(-200%);
  opacity:0;
  pointer-events:none;
}
.skip-link:focus{
  transform:translateY(0);
  opacity:1;
  pointer-events:auto;
  outline:2px solid currentColor;
  outline-offset:2px;
}

/* ===============================
   HEADER
=================================*/
.site-header{
  position:sticky;
  top:0;
  z-index:1000;

  display:flex;
  align-items:center;

  padding:12px 24px;
  background:var(--glass-bg);
  border-bottom:1px solid var(--glass-border);
  backdrop-filter:var(--bf-header);
  -webkit-backdrop-filter:var(--bf-header);
  box-shadow:var(--shadow);
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
}

.site-header h1{
  margin:0;
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
}

/* Logo centré pile */
.brand{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  align-items:center;
  min-width:0;
}

/* Logo */
.brand-logo{
  height:40px;
  width:auto;
  max-width:none;
}

/* Theme logos */
.logo--dark{display:none}
@media (prefers-color-scheme: dark){
  .logo--light{display:none}
  .logo--dark {display:block}
}
body.dark .logo--light{display:none}
body.dark .logo--dark {display:block}

/* Actions à droite */
.header-actions{
  margin-left:auto;
  display:flex;
  gap:12px;
  align-items:center;
}

#themeToggle{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  background:var(--glass-soft);
  border:1px solid var(--glass-ink);
  backdrop-filter:var(--bf-chip);
  -webkit-backdrop-filter:var(--bf-chip);
  border-radius:999px;
  padding:0;
  color:var(--text);
  cursor:pointer;
}
#themeToggle:hover{transform:scale(1.08);opacity:.92}

.theme-icon{
  position:absolute;
  width:18px;
  height:18px;
  transition:opacity .35s ease,transform .45s cubic-bezier(.34,1.56,.64,1);
}

.icon-sun{
  opacity:1;
  transform:rotate(0deg) scale(1);
}

.icon-moon{
  opacity:0;
  transform:rotate(-70deg) scale(.5);
}

body.dark .icon-sun{
  opacity:0;
  transform:rotate(70deg) scale(.5);
}

body.dark .icon-moon{
  opacity:1;
  transform:rotate(0deg) scale(1);
}



/* ===============================
   HERO
=================================*/
.hero{
  text-align:center;
  margin:0 0 40px;
}
.hero h2{
  font-size:clamp(28px,4.5vw,40px);
  font-weight:700;
  letter-spacing:-.5px;
  margin:0 0 10px;
}
.hero p{
  font-size:clamp(16px,2.4vw,18px);
  color:var(--muted);
  margin:0;
}

.hero--image{
  /* IMPORTANT: chemin correct depuis /css/styles.css */
  --hero-bg:url("../assets/images/hero-trading.jpg");

  position:relative;
  padding:72px 20px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--card);
}

.hero--image::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:var(--hero-bg);
  background-size:cover;
  background-position:center;
  filter:saturate(70%) sepia(10%) contrast(100%);
  opacity:.16;
  pointer-events:none;
}
body.dark .hero--image::before{opacity:.12}

.hero-inner{position:relative;z-index:1;max-width:960px;margin:0 auto}

.hero-cta{
  display:inline-flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top:12px;
}

/* Boutons */
:where(.btn,.mail-link,.cookie-btn){
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 18px;
  border-radius:999px;
  font-weight:600;
  border:1px solid var(--glass-ink);
  backdrop-filter:var(--bf-chip);
  -webkit-backdrop-filter:var(--bf-chip);
}
:where(.btn,.mail-link,.cookie-btn):hover{transform:translateY(-1px);opacity:.95}
.btn-primary{background:var(--link);color:#fff;border-color:transparent}
.btn-ghost{background:var(--glass-soft);color:var(--text)}

@media (max-width:700px){
  .hero--image{padding:56px 16px}
}

/* ===============================
   KEYPOINTS (FIX iPhone: pas de double padding)
=================================*/
.keypoints{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px;

  width:100%;
  margin:60px 0;
  padding:0;              /* FIX */
}

.keypoint{
  background:var(--glass-card);
  border:1px solid var(--glass-card-border);
  border-radius:var(--radius-lg);
  padding:28px 22px;
  text-align:center;
  box-shadow:var(--shadow);
  backdrop-filter:var(--bf-card);
  -webkit-backdrop-filter:var(--bf-card);
}

@media (prefers-reduced-motion:no-preference){
  .keypoint{transition:transform .25s ease,box-shadow .25s ease}
  .keypoint:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(60,55,40,.1)}
}

.keypoint .icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  margin:0 auto 14px;
  color:var(--link-strong);
}
.keypoint .icon svg{width:36px;height:36px}
.keypoint h3{margin:0 0 8px;font-size:20px;font-weight:600}
.keypoint p{margin:0;color:var(--muted);font-size:16px;line-height:1.5}

@media (max-width:900px){
  .keypoints{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:42px 0}
}
@media (max-width:560px){
  .keypoints{grid-template-columns:1fr}
}

/* ===============================
   À PROPOS (FIX iPhone: pas de padding en plus)
=================================*/
.about{
  margin:60px 0;
  padding:0;              /* FIX */
}

.about-inner{
  width:100%;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
}

@media (max-width:900px){
  .about-inner{grid-template-columns:1fr;gap:24px}
  .about-inner .about-card{margin-top:4px}
}

.about-text{
  min-width:0;
  background:var(--card);
  border:1px solid var(--glass-card-border);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  box-shadow:var(--shadow);
}

.about-eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--link-strong);
  margin-bottom:10px;
}

.about-text h3{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-size:26px;
  font-weight:700;
  letter-spacing:-.2px;
}
.about-text p{
  margin:0 0 20px;
  font-size:16px;
  line-height:1.7;
  color:var(--muted);
}

.about-bullets{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:12px;
}
.about-bullets li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--radius-md);
  background:var(--glass-soft);
  border:1px solid var(--glass-ink);
  color:var(--text);
  line-height:1.4;
  font-size:15px;
  overflow-wrap:anywhere;
}

.about-bullets .bullet-icon{
  flex-shrink:0;
  width:18px;
  height:18px;
  color:var(--link-strong);
  margin-top:1px;
}

@media (prefers-reduced-motion:no-preference){
  .about-bullets li{transition:transform .25s ease,box-shadow .25s ease}
  .about-bullets li:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(60,55,40,.08)}
}

/* Metrics */
.about-card{
  background:var(--glass-card);
  border:1px solid var(--glass-card-border);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow);
  backdrop-filter:var(--bf-card);
  -webkit-backdrop-filter:var(--bf-card);

  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)); /* FIX overflow */
  gap:12px;
  text-align:center;
}

.about-metric{
  min-width:0; /* FIX overflow iPhone */
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:16px;
  border-radius:var(--radius-md);
  background:var(--glass-soft);
  border:1px solid var(--glass-ink);
}

.about-metric .num{
  font-size:28px;
  font-weight:700;
  line-height:1;
}
.about-metric .label{
  font-size:12px;
  color:var(--muted);
  overflow-wrap:anywhere; /* FIX */
}

/* Style premium */
.premium-metrics .about-metric{
  background:var(--card);
  border:1px solid var(--glass-border);
  box-shadow:0 6px 20px rgba(60,55,40,.05);
}
.premium-metrics .num{font-size:32px;font-weight:700;color:var(--link-strong);font-family:var(--font-display)}
.premium-metrics .label{font-size:13px;color:var(--muted)}

@media (prefers-reduced-motion:no-preference){
  .about-card .about-metric{transition:transform .25s ease,box-shadow .25s ease}
  .premium-metrics .about-metric:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(60,55,40,.1)}
}

/* Responsive metrics (propre sur iPhone) */
@media (max-width:700px){
  .about-card{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:420px){
  .about-card{grid-template-columns:1fr}
}

/* ===============================
   VIDÉO TUTORIEL (outils)
=================================*/
.tool-video-wrap{
  margin:24px 0 32px;
}
.tool-video-title{
  text-align:center;
  font-size:12.5px;
  font-weight:700;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:0.04em;
  margin:0 0 10px;
}
.tool-video-frame{
  max-width:720px;
  margin:0 auto;
  overflow:hidden;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  background:#000;
}
.tool-video-wrap video{
  width:100%;
  display:block;
  background:#000;
}

/* ===============================
   BANDEAU REJOINDRE (go.wavest.fr)
=================================*/
.join-banner{
  margin:40px 0;
}
.join-banner-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:24px 28px;
  background:var(--card);
  border:1px solid var(--glass-card-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.join-banner-inner h3{
  margin:0 0 4px;
  font-size:18px;
  font-weight:700;
}
.join-banner-inner p{
  margin:0;
  color:var(--muted);
  font-size:14.5px;
}
.join-banner-inner .btn{
  white-space:nowrap;
}
@media (max-width:640px){
  .join-banner-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .join-banner-inner .btn{
    width:100%;
    justify-content:center;
  }
}

/* ===============================
   ACCORDÉON + CHAPITRES
=================================*/
.accordion + .accordion{
  margin-top: 32px;
}

.accordion .card{
  background:var(--glass-card);
  border:1px solid var(--glass-card-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  backdrop-filter:var(--bf-card);
  -webkit-backdrop-filter:var(--bf-card);
}

.acc-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 24px;
  font-size:20px;
  font-weight:600;
  font-family:var(--font-display);
  background:transparent;
  border:0;
  color:var(--text);
  cursor:pointer;
}
.acc-btn:hover{background:rgba(74,134,200,.12)}
body.dark .acc-btn:hover{background:rgba(168,205,240,.08)}

.chev{
  width:14px;height:14px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(-45deg);
}

.tools-dot{
  display:inline-block;
  width:9px;
  height:9px;
  border-radius:50%;
  background:#3f8f81;
  margin-right:10px;
  vertical-align:middle;
}
.acc-btn[aria-expanded="true"] .chev{transform:rotate(45deg)}

.acc-panel{padding:0 24px 20px}

.sub-list{
  list-style:none;
  margin:0;
  padding:16px 0;
  display:grid;
  gap:14px;
}

.sub-list li a{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:8px;

  padding:14px 18px;
  border-radius:var(--radius-md);
  background:var(--glass-soft);
  border:1px solid var(--glass-ink);
  color:var(--text);
  font-weight:500;
  font-size:16px;
  box-shadow:0 2px 6px rgba(60,55,40,.05);
  line-height:1.2;

  min-width:0;
}

.sub-list li a::after{
  content:"→";
  margin-left:auto;
  font-size:14px;
  color:var(--muted);
  transition:transform .25s ease,color .25s ease;
}

.sub-list li a:hover{
  background:var(--link);
  color:#fff;
  border-color:transparent;
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(74,134,200,.22);
}
.sub-list li a:hover::after{color:#fff;transform:translateX(4px)}

.sub-list .icon{
  width:18px;
  height:18px;
  flex-shrink:0;
  color:currentColor;
}

@media (max-width:700px){
  .acc-btn{font-size:18px;padding:18px 20px}
  .acc-panel{padding:0 20px 18px}
  .sub-list li a{font-size:16px;padding:12px 14px}
}
@media (max-width:640px){
  .sub-list li a{gap:6px}
  .sub-list .icon{width:16px;height:16px}
}

.tools-note{
  margin:4px 0 0;
  padding:12px 16px;
  border-radius:var(--radius-md);
  background:var(--glass-soft);
  border:1px solid var(--glass-ink);
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}

/* ===============================
   TABLEAU HORAIRES (si utilisé)
=================================*/
.fx-hours{
  width:100%;
  border-collapse:collapse;
  margin:20px 0;
  font-size:15px;
}
.fx-hours th,.fx-hours td{
  padding:10px 14px;
  border:1px solid var(--glass-ink);
  text-align:left;
}
.fx-hours thead{background:var(--glass-soft)}
body.dark .fx-hours thead{background:var(--glass-card)}

/* ===============================
   FOOTER
=================================*/
.site-footer{
  margin-top:60px;
  text-align:center;
  padding:24px 16px;
  font-size:14px;
  color:var(--muted);
  backdrop-filter:var(--bf-header);
  -webkit-backdrop-filter:var(--bf-header);
  background:var(--glass-bg);
  border-top:1px solid var(--glass-border);
  border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow:0 -10px 26px rgba(60,55,40,.05);
}

.footer-links{
  margin:10px 0;
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--link);text-decoration:underline;text-underline-offset:2px}

.mail-link{
  gap:8px;
  padding:6px 10px;
}

.disclaimer{
  margin-top:12px;
  font-size:12px;
  color:var(--muted);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  padding:10px 12px;
  max-width:720px;
  margin-left:auto;
  margin-right:auto;
  line-height:1.4;
}

/* ===============================
   COOKIES
=================================*/
.cookie-banner[hidden]{display:none!important}

.cookie-banner{
  position:fixed;
  left:16px;
  right:16px;
  bottom:16px;
  margin:0 auto;
  max-width:920px;

  z-index:99999;

  padding:14px 16px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:var(--bf-header);
  -webkit-backdrop-filter:var(--bf-header);
  box-shadow:var(--shadow);
  border-radius:var(--radius-lg);

  display:flex;
  gap:14px;
  align-items:flex-end;
}

.cookie-banner p{
  margin:0;
  color:var(--text);
  min-width:0;
  overflow-wrap:anywhere;
}

.cookie-actions{
  margin-left:auto;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.cookie-btn{cursor:pointer;pointer-events:auto}
.cookie-btn.primary{border-color:transparent;background:var(--link);color:#fff}
.cookie-btn.ghost{background:transparent}

@media (max-width:520px){
  .cookie-banner{align-items:stretch;flex-direction:column}
  .cookie-actions{margin-left:0;justify-content:flex-start}
}

/* ===============================
   UTILITAIRES & RESPONSIVE
=================================*/
#chapters{scroll-margin-top:90px}
.text-center{text-align:center}
.m-0{margin:0!important}
.mt-20{margin-top:20px!important}
.mb-20{margin-bottom:20px!important}
.hide-mobile{display:block}
.only-mobile{display:none}

@media (max-width:700px){
  .container{padding:28px 16px}
  .hide-mobile{display:none!important}
  .only-mobile{display:block!important}
}

/* ===============================
   ANIMATIONS SCROLL
=================================*/
.reveal{
  opacity:0;
  transform:translateY(40px);
  transition:opacity .8s ease,transform .8s ease;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

/* ===============================
   ENTRÉE EN FONDU AU CHARGEMENT
=================================*/
@media (prefers-reduced-motion:no-preference){
  @keyframes wv-fade-in-up{
    from{opacity:0;transform:translateY(24px)}
    to{opacity:1;transform:translateY(0)}
  }

  .site-header{
    animation:wv-fade-in-up .6s ease both;
  }

  .hero.hero--image{
    animation:wv-fade-in-up .7s ease both;
    animation-delay:.15s;
  }

  .keypoints .keypoint{
    animation:wv-fade-in-up .6s ease both;
  }
  .keypoints .keypoint:nth-child(1){animation-delay:.35s}
  .keypoints .keypoint:nth-child(2){animation-delay:.45s}
  .keypoints .keypoint:nth-child(3){animation-delay:.55s}
  .keypoints .keypoint:nth-child(4){animation-delay:.65s}
}

@media (max-width:700px){
  .brand-logo,
  .brand img{
    height:35px !important;
    width:auto !important;
    max-width:160px !important;
  }

  .site-header{
    min-height:64px;
    padding:10px 16px;
  }
}