/* =========================================================
   Timothy Gilles — Portfolio
   Design system: "rack & thread"
   Two connected worlds: the network rack (cool teal/amber,
   dark) and the embroidery workshop (warm thread rose, light).
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* -- rack (dark / technical) -- */
  --ink:        #0E141B;
  --ink-2:      #161F29;
  --ink-3:      #1F2A36;
  --ink-line:   #2A3644;
  --ink-text:   #E9EEF3;
  --ink-muted:  #8C99A8;

  /* -- accents -- */
  --teal:       #33C9BA;
  --teal-dim:   #1E7F79;
  --amber:      #FFB238;

  /* -- workshop (light / creative) -- */
  --paper:      #F7F1EE;
  --paper-2:    #FFFFFF;
  --paper-line: #E6D9D3;
  --paper-text: #2B1E22;
  --paper-muted:#7A6A65;
  --thread:     #B23A5E;
  --thread-dim: #E7C3CE;

  /* -- type -- */
  --f-display: 'Space Grotesk', sans-serif;
  --f-body:    'Inter', sans-serif;
  --f-mono:    'JetBrains Mono', monospace;

  --container: 1140px;
  --radius: 10px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--ink);
  color:var(--ink-text);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}

p{ margin:0 0 1em; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; }

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  font-family:var(--f-mono);
  font-size:.78rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--teal);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px;
  background:var(--teal);
  display:inline-block;
}
section[data-theme="paper"] .eyebrow{ color:var(--thread); }
section[data-theme="paper"] .eyebrow::before{ background:var(--thread); }

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

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(14,20,27,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink-line);
  transition:background .3s ease;
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:72px; gap:12px;
}
.brand{
  font-family:var(--f-mono);
  font-size:1rem;
  color:var(--ink-text);
  display:flex; align-items:center; gap:.5em;
  min-width:0;
}
.brand-text{
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.brand-mark{
  width:10px; height:10px; border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 3px rgba(51,201,186,.18);
  flex:none;
}
.nav-links{
  display:flex; align-items:center; gap:28px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-size:.92rem;
  color:var(--ink-muted);
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover,
.nav-links a.active{ color:var(--ink-text); }

.nav-right{ display:flex; align-items:center; gap:18px; flex:none; }

.nav-lang-mobile{ display:none; }

.lang-switch{
  display:flex; border:1px solid var(--ink-line); border-radius:999px;
  overflow:hidden; font-family:var(--f-mono); font-size:.76rem;
}
.lang-switch button{
  background:none; border:none; color:var(--ink-muted);
  padding:6px 11px; cursor:pointer; transition:.2s;
}
.lang-switch button.active{ background:var(--teal); color:#08211E; font-weight:600; }
.lang-switch button:hover:not(.active){ color:var(--ink-text); }

.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:12px 22px;
  border-radius:999px;
  font-size:.92rem; font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--teal); color:#07211E; }
.btn-primary:hover{ background:#48d6c8; }
.btn-ghost{ border-color:var(--ink-line); color:var(--ink-text); }
.btn-ghost:hover{ border-color:var(--teal); }
section[data-theme="paper"] .btn-ghost{ border-color:var(--paper-line); color:var(--paper-text); }
section[data-theme="paper"] .btn-ghost:hover{ border-color:var(--thread); }
.btn-thread{ background:var(--thread); color:#FFF3F6; }
.btn-thread:hover{ background:#c94870; }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  border:1px solid var(--ink-line);
  border-radius:8px;
  background:none;
  cursor:pointer;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:9px; right:9px; height:1.5px; background:var(--ink-text);
  transition:.25s ease;
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-6px; }
.nav-toggle span::after{ top:6px; }
.nav-toggle.open span{ background:transparent; }
.nav-toggle.open span::before{ transform:rotate(45deg); top:0; }
.nav-toggle.open span::after{ transform:rotate(-45deg); top:0; }

/* =========================================================
   Sections — base
   ========================================================= */
section{ padding:118px 0 96px; position:relative; }
section[data-theme="paper"]{
  background:var(--paper); color:var(--paper-text);
}
section[data-theme="paper"] .section-title{ color:var(--paper-text); }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-title{ font-size:clamp(1.6rem,3vw,2.2rem); }
.section-lede{ color:var(--ink-muted); font-size:1.05rem; }
section[data-theme="paper"] .section-lede{ color:var(--paper-muted); }

/* seam between dark and paper sections: a stitched line */
.seam{
  height:2px; margin:0; border:none;
  background-image:linear-gradient(90deg, var(--paper-muted) 50%, transparent 0);
  background-size:14px 2px;
  opacity:.35;
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  padding:168px 0 90px;
  min-height:100vh;
  display:flex; align-items:center;
  overflow:hidden;
}
.hero .container{
  display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center;
}
.hero-title{
  font-size:clamp(2.6rem,6vw,4.4rem);
  margin-bottom:.25em;
}
.hero-tagline{
  font-size:1.15rem; color:var(--ink-muted); max-width:46ch; margin-bottom:1.6em;
}
.hero-location{
  font-family:var(--f-mono); font-size:.85rem; color:var(--ink-muted);
  margin-bottom:2em; display:flex; align-items:center; gap:.6em;
}
.hero-location::before{ content:"◎"; color:var(--teal); }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:2.4em; }

.stack-strip{ font-family:var(--f-mono); font-size:.78rem; color:var(--ink-muted); }
.stack-strip .stack-label{ display:block; margin-bottom:.6em; letter-spacing:.06em; text-transform:uppercase; }
.stack-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.stack-tags span{
  border:1px solid var(--ink-line); border-radius:6px;
  padding:5px 10px; color:var(--ink-text);
}

.hero-photo{
  max-width:280px;
  margin-left:auto;
  aspect-ratio:4/5;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--ink-line);
  background:var(--ink-2);
  box-shadow:0 24px 56px -22px rgba(0,0,0,.6);
}
.hero-photo img{ width:100%; height:100%; object-fit:cover; display:block; }

/* =========================================================
   About
   ========================================================= */
.about-grid{
  display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; align-items:start;
}
.id-card{
  background:var(--ink-2); border:1px solid var(--ink-line); border-radius:14px;
  padding:22px; position:relative;
}
.id-card::before{
  content:"ACCÈS AUTORISÉ";
  font-family:var(--f-mono); font-size:.65rem; letter-spacing:.14em;
  color:var(--teal); display:block; margin-bottom:14px;
}
.id-name{ font-family:var(--f-display); font-size:1.1rem; margin-bottom:2px; }
.id-role{ font-family:var(--f-mono); font-size:.78rem; color:var(--teal); margin-bottom:16px; }
.id-facts{ list-style:none; margin:0; padding:0; font-size:.86rem; }
.id-facts li{
  display:flex; justify-content:space-between; gap:10px;
  padding:9px 0; border-top:1px solid var(--ink-line); color:var(--ink-muted);
}
.id-facts li span:last-child{ color:var(--ink-text); text-align:right; }
.id-facts li a:hover{ color:var(--teal); }

.about-body p{ color:var(--ink-muted); font-size:1.02rem; }
.about-body p strong{ color:var(--ink-text); }

/* =========================================================
   Skills
   ========================================================= */
.skills-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--ink-line); border:1px solid var(--ink-line); border-radius:14px; overflow:hidden;
}
.skill-panel{ background:var(--ink-2); padding:28px 30px; }
.skill-panel h3{
  font-size:1rem; margin-bottom:16px; display:flex; align-items:center; gap:10px;
}
.port-dot{ width:8px; height:8px; border-radius:2px; background:var(--teal); flex:none; }
.skill-panel:nth-child(2) .port-dot{ background:var(--amber); }
.skill-panel:nth-child(3) .port-dot{ background:#7CA8FF; }
.skill-panel:nth-child(4) .port-dot{ background:#FF8A65; }
.skill-panel:nth-child(5) .port-dot{ background:#B39DFF; }
.skill-panel:nth-child(6) .port-dot{ background:#6FCF97; }
.skill-panel ul{ list-style:none; margin:0; padding:0; }
.skill-panel li{
  font-size:.92rem; color:var(--ink-muted);
  padding:8px 0 8px 18px; border-top:1px solid var(--ink-line);
  position:relative;
}
.skill-panel li:first-child{ border-top:none; }
.skill-panel li::before{
  content:"›"; position:absolute; left:0; color:var(--teal); font-family:var(--f-mono);
}

/* =========================================================
   Experience timeline
   ========================================================= */
.timeline{ position:relative; padding-left:28px; }
.timeline::before{
  content:""; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background:var(--ink-line);
}
.tl-item{ position:relative; padding-bottom:38px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-28px; top:5px; width:11px; height:11px; border-radius:50%;
  background:var(--ink); border:2px solid var(--teal);
}
.tl-date{ font-family:var(--f-mono); font-size:.78rem; color:var(--teal); margin-bottom:4px; display:block; }
.tl-role{ font-size:1.05rem; margin-bottom:6px; }
.tl-desc{ color:var(--ink-muted); font-size:.94rem; max-width:62ch; margin:0; }

/* =========================================================
   Certifications
   ========================================================= */
.cert-strip{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px; max-width:700px; }
.cert-badge{
  background:var(--ink-2); border:1px solid var(--ink-line); border-radius:10px;
  padding:18px 20px; display:flex; align-items:center; gap:14px;
}
.cert-badge img{ width:40px; height:40px; object-fit:contain; flex:none; }
.cert-badge .cert-fallback{
  width:40px; height:40px; border-radius:8px; flex:none;
  background:var(--ink-3); border:1px solid var(--ink-line);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--f-mono); font-size:.7rem; color:var(--teal); font-weight:600;
}
.cert-name{ font-size:.92rem; line-height:1.3; }
.cert-sub{ font-size:.78rem; color:var(--ink-muted); }

/* =========================================================
   Centres d'intérêt (paper theme)
   ========================================================= */
.interests-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-top:12px; }
.interest-card{
  background:var(--paper-2); border:1px solid var(--paper-line); border-radius:12px;
  padding:26px 22px; display:flex; flex-direction:column; gap:10px;
}
.interest-icon{
  width:38px; height:38px; color:var(--thread);
}
.interest-icon svg{ width:100%; height:100%; }
.interest-card h3{ font-size:1rem; color:var(--paper-text); }
.interest-card p{ color:var(--paper-muted); font-size:.9rem; margin:0; }
.interest-cta{
  font-family:var(--f-mono); font-size:.8rem; color:var(--thread); font-weight:600;
  margin-top:4px;
}
.interest-cta:hover{ text-decoration:underline; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; }
.contact-list{ list-style:none; margin:0 0 24px; padding:0; }
.contact-list li{ padding:14px 0; border-top:1px solid var(--ink-line); }
.contact-list li:first-child{ border-top:none; }
.contact-list .label{ font-family:var(--f-mono); font-size:.74rem; color:var(--ink-muted); text-transform:uppercase; letter-spacing:.08em; display:block; margin-bottom:3px;}
.contact-list .value{ font-size:1.02rem; }
.contact-list a.value:hover{ color:var(--teal); }

.social-row{ display:flex; gap:12px; margin-top:8px; }
.social-row a{
  width:38px; height:38px; border:1px solid var(--ink-line); border-radius:8px;
  display:flex; align-items:center; justify-content:center; transition:.2s;
}
.social-row a:hover{ border-color:var(--teal); color:var(--teal); }

.contact-form{ display:flex; flex-direction:column; gap:14px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-family:var(--f-mono); font-size:.76rem; color:var(--ink-muted); }
.field input, .field textarea{
  background:var(--ink-2); border:1px solid var(--ink-line); border-radius:8px;
  padding:12px 14px; color:var(--ink-text); font-family:var(--f-body); font-size:.95rem; resize:vertical;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--teal); }
.form-note{ font-size:.78rem; color:var(--ink-muted); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  padding:36px 0; border-top:1px solid var(--ink-line);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-size:.84rem; color:var(--ink-muted);
}

/* =========================================================
   Reveal-on-scroll
   ========================================================= */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:960px){
  .about-grid, .contact-grid{ grid-template-columns:1fr; }
  .id-card{ max-width:320px; }
  .skills-grid{ grid-template-columns:1fr; }
  .hero .container{ grid-template-columns:1fr; }
  .hero-photo{ max-width:200px; margin:24px auto 0; }
}
@media (max-width:760px){
  body.menu-open{ overflow:hidden; }
  .nav-links{
    position:fixed; top:72px; left:0; right:0;
    height:calc(100vh - 72px);
    height:calc(100dvh - 72px);
    background:var(--ink); flex-direction:column; align-items:flex-start; justify-content:flex-start;
    padding:24px 24px 28px; gap:14px; transform:translateX(100%); transition:transform .3s ease;
    overflow-y:auto;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
  .nav-right .lang-switch{ display:none; }
  .nav-lang-mobile{
    display:block; width:100%; margin-top:6px; padding-top:16px;
    border-top:1px solid var(--ink-line);
  }
  .nav-lang-mobile .lang-switch{ display:inline-flex; }
  .nav-lang-mobile button{ padding:9px 16px; }
  .interests-grid{ grid-template-columns:1fr; }
  section{ padding:100px 0 72px; }
  .hero{ padding-top:140px; }
}