/* Julien Tahon — Portfolio — DA: navy / repères d'imprimerie */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;700;800;900&family=Inter:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root{
  --navy:#000F2B;
  --cyan:#00AEEF;
  --magenta:#EC008C;
  --yellow:#FFD400;

  --bg:#F3F4F7;
  --surface:#FFFFFF;
  --surface-2:#E9EBF0;
  --ink:#000F2B;
  --ink-soft:#4A5468;
  --line: rgba(0,15,43,0.12);
  --shadow: 0 20px 50px -25px rgba(0,15,43,0.35);

  --radius: 2px;
  --ease: cubic-bezier(.22,.9,.32,1);
}

[data-theme="dark"]{
  --bg:#000F2B;
  --surface:#071A3D;
  --surface-2:#0C2350;
  --ink:#F3F4F7;
  --ink-soft:#93A0C0;
  --line: rgba(255,255,255,0.12);
  --shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  -webkit-font-smoothing:antialiased;
  transition: background .5s var(--ease), color .5s var(--ease);
  overflow-x:hidden;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

h1,h2,h3,.display{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:0.01em;
  line-height:0.95;
}

.mono{
  font-family:'Space Mono', monospace;
  text-transform:uppercase;
  letter-spacing:0.14em;
  font-size:0.72rem;
}

a{color:inherit; text-decoration:none;}
img,svg{max-width:100%; display:block;}

.wrap{
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

::selection{background:var(--yellow); color:var(--navy);}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

/* ---------- Registration mark signature ---------- */
.crop{
  position:absolute;
  width:22px; height:22px;
  pointer-events:none;
  opacity:0.55;
}
.crop::before, .crop::after{
  content:'';
  position:absolute;
  background:var(--ink);
}
.crop::before{ width:100%; height:1px; top:50%; left:0; transform:translateY(-50%);}
.crop::after{ height:100%; width:1px; left:50%; top:0; transform:translateX(-50%);}
.crop-tl{top:18px; left:18px;}
.crop-tr{top:18px; right:18px;}
.crop-bl{bottom:18px; left:18px;}
.crop-br{bottom:18px; right:18px;}

.reg-cluster{
  position:relative;
  width:64px; height:64px;
}
.reg-dot{
  position:absolute;
  inset:0;
  border-radius:50%;
  mix-blend-mode: multiply;
  transition: transform 1.1s var(--ease);
}
[data-theme="dark"] .reg-dot{ mix-blend-mode: screen; }
.reg-dot.c{ background:var(--cyan);   transform: translate(-9px,-6px);}
.reg-dot.m{ background:var(--magenta);transform: translate(8px,-3px);}
.reg-dot.y{ background:var(--yellow); transform: translate(-2px,9px);}
.reg-cluster.aligned .reg-dot{ transform: translate(0,0); }

/* ---------- Header ---------- */
header{
  position:fixed; top:0; left:0; right:0;
  z-index:100;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
  transition: background .5s var(--ease), border-color .5s var(--ease);
}
nav.wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  color:var(--ink);
}
.logo svg{ height:30px; width:auto; color:var(--ink); }

.nav-links{
  display:flex; gap:36px;
  font-family:'Space Mono', monospace;
  font-size:0.75rem;
  text-transform:uppercase;
  letter-spacing:0.1em;
}
.nav-links a{
  position:relative;
  padding:4px 0;
  color:var(--ink-soft);
  transition:color .3s var(--ease);
}
.nav-links a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:var(--magenta);
  transition:width .35s var(--ease);
}
.nav-links a:hover, .nav-links a.active{color:var(--ink);}
.nav-links a:hover::after, .nav-links a.active::after{width:100%;}

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

.theme-toggle{
  width:42px; height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.theme-toggle:hover{ transform:rotate(20deg); border-color:var(--magenta); }
.theme-toggle svg{ width:18px; height:18px; stroke:var(--ink); }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Space Mono', monospace;
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.1em;
  padding:13px 22px;
  border:1px solid var(--ink);
  border-radius:var(--radius);
  background:transparent;
  cursor:pointer;
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease), border-color .3s var(--ease);
}
.btn:hover{ transform:translateY(-2px); }
.btn-solid{
  background:var(--ink); color:var(--bg);
}
.btn-solid:hover{ background:var(--magenta); border-color:var(--magenta); color:#fff; }
.btn-ghost:hover{ border-color:var(--magenta); color:var(--magenta); }

.burger{
  display:none;
  width:42px; height:42px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:50%;
  cursor:pointer;
  position:relative;
}
.burger span, .burger span::before, .burger span::after{
  content:''; position:absolute; left:12px; width:18px; height:1.5px; background:var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.burger span{top:50%; transform:translateY(-50%);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.open span{background:transparent;}
.burger.open span::before{transform:translateY(6px) rotate(45deg);}
.burger.open span::after{transform:translateY(-6px) rotate(-45deg);}

.mobile-menu{
  position:fixed; inset:76px 0 0 0;
  background:var(--bg);
  z-index:90;
  display:flex; flex-direction:column;
  padding:40px 32px;
  gap:28px;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.mobile-menu.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
.mobile-menu a{
  font-family:'Big Shoulders Display'; font-weight:700;
  font-size:2rem; text-transform:uppercase;
  border-bottom:1px solid var(--line); padding-bottom:14px;
}

/* ---------- Simple hero (Accueil) ---------- */
.hero-simple{
  position:relative;
  min-height:100svh;
  display:flex; align-items:center;
  padding-top:76px;
  overflow:hidden;
}
.hero-bg-dots{
  position:absolute; inset:0;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size:22px 22px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, black 40%, transparent 90%);
  opacity:0.9;
}
.hero-simple-inner{
  position:relative;
  max-width:820px;
  padding:100px 0;
}
.eyebrow{
  display:flex; align-items:center; gap:10px;
  color:var(--magenta);
  margin-bottom:22px;
  opacity:0; transform:translateY(20px);
  animation: rise .8s var(--ease) .1s forwards;
}
.eyebrow::before{
  content:''; width:26px; height:1px; background:var(--magenta);
}
.hero-simple h1{
  font-size:clamp(3rem, 9vw, 6.8rem);
  opacity:0; transform:translateY(30px);
  animation: rise .9s var(--ease) .22s forwards;
}
.hero-simple .role{
  font-family:'Space Mono', monospace;
  font-size:clamp(1rem, 2.2vw, 1.3rem);
  color:var(--ink-soft);
  margin-top:14px;
  text-transform:uppercase;
  letter-spacing:0.08em;
  opacity:0; transform:translateY(20px);
  animation: rise .9s var(--ease) .38s forwards;
}
.hero-simple p.lede{
  color:var(--ink-soft);
  font-size:1.1rem;
  line-height:1.7;
  max-width:56ch;
  margin-top:28px;
  opacity:0; transform:translateY(20px);
  animation: rise .9s var(--ease) .5s forwards;
}
.hero-cta-row{
  display:flex; gap:16px; flex-wrap:wrap; margin-top:40px;
  opacity:0; transform:translateY(20px);
  animation: rise .9s var(--ease) .64s forwards;
}
.hero-contact-row{
  display:flex; gap:14px; flex-wrap:wrap; margin-top:22px;
  opacity:0; transform:translateY(20px);
  animation: rise .9s var(--ease) .78s forwards;
}
.hero-contact-row a{
  display:inline-flex; align-items:center; gap:8px;
  color:var(--ink-soft);
  font-family:'Space Mono'; font-size:0.72rem;
  text-transform:uppercase; letter-spacing:0.08em;
  padding:10px 16px;
  border:1px solid var(--line);
  border-radius:100px;
  transition:border-color .3s var(--ease), color .3s var(--ease);
}
.hero-contact-row a:hover{ border-color:var(--magenta); color:var(--magenta); }
.hero-contact-row svg{ width:14px; height:14px; }

.hero-reg{
  position:absolute; top:130px; right:34px;
  opacity:0; animation: rise 1s var(--ease) .9s forwards;
}

@keyframes rise{ to{ opacity:1; transform:translateY(0); } }

/* ---------- Page header (sous-pages) ---------- */
.page-hero{
  position:relative;
  padding:170px 0 80px;
  border-bottom:1px solid var(--line);
}
.page-hero h1{ font-size:clamp(2.6rem, 7vw, 4.6rem); }
.page-hero p{ color:var(--ink-soft); max-width:56ch; margin-top:18px; font-size:1.05rem; line-height:1.6; }
.page-num{ position:absolute; top:170px; right:32px; }

/* ---------- Section shared ---------- */
section{ position:relative; padding:100px 0; }
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; margin-bottom:56px;
  border-bottom:1px solid var(--line);
  padding-bottom:28px;
}
.section-head h2{ font-size:clamp(2rem, 5vw, 3rem); }
.section-head .eyebrow{ margin-bottom:14px; animation:none; opacity:1; transform:none; }
.section-num{ font-family:'Space Mono'; color:var(--ink-soft); font-size:0.8rem; }

.reveal{ opacity:0; transform:translateY(36px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.stagger .reveal:nth-child(1){transition-delay:.05s;}
.stagger .reveal:nth-child(2){transition-delay:.15s;}
.stagger .reveal:nth-child(3){transition-delay:.25s;}
.stagger .reveal:nth-child(4){transition-delay:.35s;}
.stagger .reveal:nth-child(5){transition-delay:.45s;}
.stagger .reveal:nth-child(6){transition-delay:.55s;}
.stagger .reveal:nth-child(7){transition-delay:.65s;}
.stagger .reveal:nth-child(8){transition-delay:.75s;}
.stagger .reveal:nth-child(9){transition-delay:.85s;}
.stagger .reveal:nth-child(10){transition-delay:.95s;}
.stagger .reveal:nth-child(11){transition-delay:1.05s;}
.stagger .reveal:nth-child(12){transition-delay:1.15s;}

/* ---------- Cards grid (compétences / logiciels) ---------- */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.card{
  background:var(--bg);
  padding:38px 30px;
  display:flex; flex-direction:column; gap:18px;
  min-height:180px;
  transition: background .4s var(--ease);
}
.card:hover{ background:var(--surface); }
.card-index{ font-family:'Space Mono'; color:var(--magenta); font-size:0.75rem; }
.card h3{
  font-family:'Big Shoulders Display'; font-weight:700;
  font-size:1.4rem; text-transform:none; letter-spacing:0;
}
.card p{ color:var(--ink-soft); font-size:0.92rem; line-height:1.55; }
.card-line{
  width:0; height:2px; background:var(--magenta);
  transition:width .4s var(--ease); margin-top:auto;
}
.card:hover .card-line{ width:44px; }

/* ---------- Timeline (expérience / formation) ---------- */
.process-list{ display:flex; flex-direction:column; }
.process-item{
  display:grid;
  grid-template-columns:100px 1fr;
  gap:32px;
  align-items:start;
  padding:34px 0;
  border-top:1px solid var(--line);
}
.process-item:last-child{ border-bottom:1px solid var(--line); }
.process-num{
  font-family:'Big Shoulders Display'; font-weight:800;
  font-size:2rem; color:var(--ink-soft);
  transition:color .4s var(--ease);
}
.process-item:hover .process-num{ color:var(--magenta); }
.process-item h3{
  font-family:'Big Shoulders Display'; font-weight:700; font-size:1.4rem;
  text-transform:none; letter-spacing:0; margin-bottom:6px;
}
.process-item p{ color:var(--ink-soft); font-size:0.94rem; line-height:1.6; }
.process-tag{
  display:inline-block; margin-top:10px;
  color:var(--magenta);
}

/* ---------- Langues ---------- */
.lang-list{ display:flex; flex-direction:column; gap:22px; }
.lang-row{ display:flex; align-items:center; gap:20px; }
.lang-name{ width:120px; font-family:'Big Shoulders Display'; font-weight:700; font-size:1.1rem; text-transform:uppercase; }
.lang-bar{ flex:1; height:6px; background:var(--surface-2); overflow:hidden; }
.lang-fill{ height:100%; background:var(--magenta); width:0; transition:width 1.2s var(--ease); }
.lang-level{ width:60px; text-align:right; }

/* ---------- Tools row ---------- */
.tools-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:40px; }
.tool-chip{
  display:flex; align-items:center; gap:8px;
  border:1px solid var(--line); border-radius:100px; padding:10px 18px;
  font-family:'Space Mono'; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.08em;
}
.tool-chip .sw{ width:7px; height:7px; border-radius:50%; background:var(--cyan); }

/* ---------- Réalisations / Projets ---------- */
.real-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.real-card{
  position:relative;
  aspect-ratio:4/5;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--surface-2);
  display:flex; flex-direction:column; justify-content:space-between;
  padding:24px;
  border:1px solid var(--line);
}
.real-card::before{
  content:'';
  position:absolute; inset:0;
  background:
    linear-gradient(160deg, var(--cyan) 0%, transparent 40%),
    linear-gradient(-20deg, var(--magenta) 0%, transparent 45%),
    linear-gradient(90deg, var(--yellow) 0%, transparent 35%);
  opacity:0.16;
  mix-blend-mode:multiply;
  transition:opacity .4s var(--ease), transform .6s var(--ease);
}
[data-theme="dark"] .real-card::before{ mix-blend-mode:screen; opacity:0.28; }
.real-card:hover::before{ opacity:0.32; transform:scale(1.06); }
.real-tag{
  position:relative; z-index:1;
  font-family:'Space Mono'; font-size:0.7rem;
  text-transform:uppercase; letter-spacing:0.1em;
  color:var(--ink-soft);
}
.real-title{
  position:relative; z-index:1;
  font-family:'Big Shoulders Display'; font-weight:700;
  font-size:1.5rem; line-height:1.05;
}
.real-status{
  position:relative; z-index:1;
  font-family:'Space Mono'; font-size:0.65rem;
  text-transform:uppercase; letter-spacing:0.1em;
  color:var(--magenta);
}

/* Carte projet avec image (voir projets.html pour le mode d'emploi) */
.real-card.has-image{ padding:0; }
.real-card.has-image img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover;
}
.real-card.has-image .real-card-info{
  position:relative; z-index:2; margin-top:auto;
  padding:24px;
  background:linear-gradient(0deg, rgba(0,15,43,0.9), rgba(0,15,43,0) 75%);
  display:flex; flex-direction:column; gap:6px;
}
.real-card.has-image .real-tag,
.real-card.has-image .real-title{ color:#F3F4F7; }
.real-card.has-image::before{ display:none; }

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
}
.contact-info dl{ display:flex; flex-direction:column; gap:22px; margin-top:28px; }
.contact-info dt{ color:var(--ink-soft); margin-bottom:4px; }
.contact-info dd{ font-family:'Big Shoulders Display'; font-weight:700; font-size:1.3rem; }
.contact-info a dd{ transition:color .3s var(--ease); }
.contact-info a:hover dd{ color:var(--magenta); }

form{ display:flex; flex-direction:column; gap:18px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ color:var(--ink-soft); }
.field input, .field textarea{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
  padding:10px 2px;
  color:var(--ink);
  font-family:'Inter'; font-size:1rem;
  transition:border-color .3s var(--ease);
}
.field input:focus, .field textarea:focus{ border-color:var(--magenta); }
.field textarea{ resize:vertical; min-height:90px; }
form .btn{ align-self:flex-start; margin-top:6px; }
.form-status{ color:var(--ink-soft); margin-top:4px; display:none; }
.form-status.show{ display:block; }

/* ---------- Intro (accueil) ---------- */
.intro-overlay{
  position:fixed; inset:0; z-index:9999;
  background:var(--navy);
  display:flex; align-items:center; justify-content:center;
  opacity:1; visibility:visible;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
.intro-overlay.hide{ opacity:0; visibility:hidden; pointer-events:none; }
.intro-overlay .crop{ opacity:0.5; }
.intro-overlay .crop::before, .intro-overlay .crop::after{ background:#F3F4F7; }
.reg-cluster.large{ width:120px; height:120px; }
.reg-cluster.large .reg-dot{ width:100%; height:100%; }
@media (prefers-reduced-motion: reduce){
  .intro-overlay{ display:none; }
}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:48px 0;
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:20px;
}
footer .mono{ color:var(--ink-soft); }
.footer-links{ display:flex; gap:24px; }
.footer-links a{ color:var(--ink-soft); transition:color .3s var(--ease); }
.footer-links a:hover{ color:var(--magenta); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .nav-links{ display:none; }
  .burger{ display:block; }
  .cards-grid{ grid-template-columns:1fr 1fr; }
  .real-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .hero-reg{ display:none; }
  .page-num{ display:none; }
}
@media (max-width: 620px){
  .wrap{ padding:0 20px; }
  .cards-grid{ grid-template-columns:1fr; }
  .real-grid{ grid-template-columns:1fr; }
  .section-head{ flex-direction:column; align-items:flex-start; gap:14px; }
  .process-item{ grid-template-columns:1fr; gap:8px; }
}

.card p{
  margin-top:12px;
  font-size:0.8rem;
  line-height:1.5;
}
.accent{
  a:hover{ color:var(--magenta);} 
}