/*
Theme Name: Jade Portfolio
Theme URI: https://jadetercier.ch/
Author: Jade Tercier
Description: Thème portfolio one-page (Projets, Formation & Expérience, Contact).
Version: 1.0.0
Text Domain: jade-portfolio
*/

:root{
  --bg: #fbfbfb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: rgba(17,24,39,.10);
  --accent: #111827;
  --accent-2: #6b7280;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(17,24,39,.08);
  --container: 1120px;
  --gutter: 18px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 70%);
  line-height: 1.55;
}
img{ max-width: 100%; height: auto; display: block; }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.jt-container{
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

/* Header */
.jt-site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.jt-header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}
.jt-brand{
  font-weight: 650;
  letter-spacing: .2px;
}
.jt-nav-toggle{
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  padding: 10px 12px;
  display: none;
  align-items: center;
  gap: 10px;
}
.jt-nav-toggle span{
  width: 18px;
  height: 2px;
  background: var(--text);
  display: block;
  position: relative;
}
.jt-nav-toggle span::before,
.jt-nav-toggle span::after{
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
}
.jt-nav-toggle span::before{ top: -6px; }
.jt-nav-toggle span::after{ top: 6px; }

.jt-menu{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}
.jt-menu a{
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
}
.jt-menu a:hover{
  background: rgba(17,24,39,.04);
  color: var(--text);
  text-decoration: none;
}

/* Sections */
.jt-section{
  padding: 76px 0;
}
.jt-section-title{
  font-size: clamp(22px, 2.6vw, 32px);
  margin: 0 0 10px;
  letter-spacing: -0.4px;
}
.jt-section-lede{
  margin: 0 0 26px;
  color: var(--muted);
  max-width: 68ch;
}

/* Hero */
.jt-hero{
  padding: 54px 0 62px;
}
.jt-hero-grid{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 34px;
  align-items: center;
}
.jt-kicker{
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: .2px;
  margin: 0 0 10px;
}
.jt-hero h1{
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.05;
  letter-spacing: -1px;
  margin: 0 0 14px;
}
.jt-hero h2{
  font-size: clamp(18px, 2vw, 22px);
  color: var(--muted);
  margin: 0 0 14px;
  font-weight: 520;
}
.jt-hero p{
  margin: 0 0 22px;
  max-width: 62ch;
  color: var(--muted);
}
.jt-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.jt-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}
.jt-btn:hover{ box-shadow: 0 10px 30px rgba(17,24,39,.10); text-decoration: none; }
.jt-btn--primary{
  background: var(--accent);
  color: #ffffff;
  border-color: rgba(17,24,39,.25);
}
.jt-btn--primary:hover{ box-shadow: 0 12px 30px rgba(17,24,39,.18); }

.jt-hero-media{
  border-radius: calc(var(--radius) + 10px);
  overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(1200px 600px at 0% 10%, rgba(17,24,39,.10), transparent 55%),
              radial-gradient(900px 500px at 100% 100%, rgba(107,114,128,.14), transparent 55%),
              var(--surface);
  box-shadow: var(--shadow);
}
.jt-hero-media img{
  width: 100%;
  height: auto;
}

/* Projects Masonry */
.jt-masonry{
  column-count: 3;
  column-gap: 10px;
}
@media (max-width: 980px){ .jt-masonry{ column-count: 2; } }
@media (max-width: 640px){ .jt-masonry{ column-count: 1; } }

.jt-project{
  break-inside: avoid;
  margin: 0 0 10px;
}
.jt-project-card{
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #0b1220;
}
.jt-project-card img{
  width: 100%;
  height: auto;
  transform: scale(1);
  transition: transform .35s ease;
  opacity: .96;
}
.jt-project-overlay{
  position: absolute;
  inset: 0;
  display: grid;
  align-content: end;
  gap: 6px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(17,24,39,0) 0%, rgba(17,24,39,.78) 72%, rgba(17,24,39,.92) 100%);
  color: #ffffff;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease;
}
.jt-project-title{
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.2px;
}
.jt-project-excerpt{
  margin: 0;
  font-size: 13px;
  opacity: .88;
}
.jt-project-card:hover img{ transform: scale(1.03); }
.jt-project-card:hover .jt-project-overlay{
  opacity: 1;
  transform: translateY(0);
}

/* Timeline */
.jt-two-col{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
@media (max-width: 900px){ .jt-two-col{ grid-template-columns: 1fr; } }

.jt-panel{
  background: rgba(255,255,255,.68);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(17,24,39,.06);
  padding: 18px 18px 6px;
}
.jt-panel h3{
  margin: 0 0 12px;
  font-size: 18px;
}
.jt-timeline{
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.jt-timeline li{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px dashed rgba(17,24,39,.12);
}
.jt-timeline li:first-child{ border-top: 0; }
.jt-timeline-date{
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 650;
  letter-spacing: .2px;
  white-space: nowrap;
}
.jt-timeline-title{
  margin: 0;
  font-size: 14.5px;
}
.jt-timeline-desc{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

/* Contact */
.jt-contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}
@media (max-width: 900px){ .jt-contact-grid{ grid-template-columns: 1fr; } }
.jt-contact-box{
  background: rgba(255,255,255,.68);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(17,24,39,.06);
  padding: 18px;
}
.jt-social{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.jt-pill{
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  text-decoration: none;
}
.jt-pill:hover{ color: var(--text); text-decoration: none; box-shadow: 0 10px 30px rgba(17,24,39,.08); }

/* Footer */
.jt-footer{
  padding: 34px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

/* Mobile nav */
@media (max-width: 820px){
  .jt-nav-toggle{ display: inline-flex; }
  .jt-menu{ display: none; }
  .jt-site-header[data-open="1"] .jt-menu{
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 60px;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    padding: 10px var(--gutter) 14px;
    flex-wrap: wrap;
    gap: 8px;
  }
}