/* =============================================================
   Valentin Thouron Consulting
   Theme: light, blue accent, Poppins, hand-drawn accents
   Self-hosted fonts, no third-party calls
   ============================================================= */

/* ---------- Fonts ---------- */
@font-face{font-family:"Poppins";src:url("../fonts/poppins-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Poppins";src:url("../fonts/poppins-500.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Poppins";src:url("../fonts/poppins-600.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Poppins";src:url("../fonts/poppins-700.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Caveat";src:url("../fonts/caveat-600.woff2") format("woff2");font-weight:600;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --bg:#ffffff; --bg-2:#f7f8fa; --ink:#0b0c0e; --ink-2:#222730;
  --muted:#5b6470; --soft:#8b93a0; --line:rgba(11,12,14,.10); --line-2:rgba(11,12,14,.16);
  --blue:#2f6bff; --blue-soft:#1f57e6; --blue-tint:#eaf1ff; --blue-deep:#0a1830;
  --sans:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --hand:"Caveat",cursive;
  --maxw:1180px; --r:16px;
  --shadow:0 12px 30px -14px rgba(20,30,60,.22);
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
body{font-family:var(--sans);background:var(--bg);color:var(--muted);line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}

/* ---------- Typography ---------- */
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.12;letter-spacing:-.025em}
h1{font-size:clamp(2.4rem,5vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem)}
h3{font-size:1.25rem;font-weight:600}
p{max-width:64ch}
.eyebrow{color:var(--blue);font-weight:600;font-size:.82rem;letter-spacing:.02em;text-transform:uppercase}
.lead{font-size:1.12rem;color:var(--muted)}
.muted{color:var(--muted)}
.hand{font-family:var(--hand);color:var(--blue)}
/* hand-drawn marker circle around a word */
.circ{position:relative;white-space:nowrap}
.circ>svg{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-3deg);
  width:138%;height:176%;overflow:visible;pointer-events:none}
.circ>svg path{fill:none;stroke:var(--blue);stroke-width:4;stroke-linecap:round}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.6rem}
.section{padding-block:5.5rem}
.section--alt{background:var(--bg-2)}
.section__head{max-width:60ch;margin-bottom:3rem}
.section__head h2{margin-top:.7rem}
.section__head p{margin-top:.9rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1rem;
  padding:.9rem 1.6rem;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:var(--t)}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 10px 26px -10px rgba(47,107,255,.6)}
.btn--primary:hover{background:var(--blue-soft);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{transform:translateY(-1px)}
.cta-inline{display:inline-flex;align-items:center;gap:.6rem}
.lbl{color:var(--blue);font-weight:600}
.circle{width:42px;height:42px;border-radius:50%;background:var(--blue-tint);display:grid;place-items:center;
  color:var(--blue);transition:var(--t);flex:none}
.circle:hover{background:#dbe7ff}
.circle svg{width:19px;height:19px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:2rem;height:76px}
.brand{color:var(--ink);font-weight:700;font-size:1.2rem;letter-spacing:-.02em}
.brand .dot{color:var(--blue)}
.nav__links{display:flex;gap:1.8rem;list-style:none;padding:0;margin-left:1rem;font-size:.95rem;font-weight:500}
.nav__links a{color:var(--muted)}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--ink)}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:.8rem}
.lang{color:var(--muted);font-size:.9rem;font-weight:600}
.lang b{color:var(--ink)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.nav__toggle span,.nav__toggle span::before,.nav__toggle span::after{content:"";display:block;
  width:22px;height:2px;background:var(--ink);position:relative;transition:var(--t)}
.nav__toggle span::before{position:absolute;top:-7px}
.nav__toggle span::after{position:absolute;top:7px}
@media(max-width:820px){
  .nav__toggle{display:block}
  .nav__links{position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;margin:0;
    background:#fff;border-bottom:1px solid var(--line);padding:.5rem 1.6rem;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:var(--t)}
  .nav__links a{display:block;padding:.7rem 0}
  .nav[data-open="true"] .nav__links{transform:none;opacity:1;pointer-events:auto}
}

/* ---------- Hero ---------- */
.hero{display:flex;flex-direction:column;min-height:calc(100vh - 76px);padding:1.5rem 0}
.hero__grid{display:grid;grid-template-columns:1.18fr .82fr;gap:2.5rem;align-items:center;flex:1 1 auto}
.hero h1{margin-top:1rem;font-size:clamp(1.9rem,3.2vw,2.6rem);text-wrap:balance}
.hero .sub{margin-top:1.6rem;font-size:1.12rem;max-width:42ch;color:var(--muted)}
.hero__cta{margin-top:2.2rem;display:flex;align-items:center;gap:1.3rem;flex-wrap:wrap}
.hero__visual{position:relative;display:flex;justify-content:center;align-items:flex-end;min-height:400px}
.hero__visual .squiggle{position:absolute;bottom:0;left:50%;transform:translateX(-54%);
  width:320px;height:150px;overflow:visible;z-index:0}
.hero__visual .squiggle path{fill:none;stroke:var(--blue);stroke-width:4.5;stroke-linecap:round;opacity:.85}
.portrait{position:relative;z-index:1;width:400px;max-width:100%}
@media(max-width:820px){.hero__grid{grid-template-columns:1fr;gap:1.2rem}.hero__visual{order:-1;min-height:auto;align-items:center;margin:0 0 .5rem}.portrait{width:220px}}

/* ---------- Trust bar ---------- */
.trust{display:flex;align-items:center;gap:1rem 2.6rem;flex-wrap:wrap;margin-top:1.5rem;padding:1.6rem 0 .5rem;border-top:1px solid var(--line)}
.trust .lab{color:var(--soft);font-size:.82rem;font-weight:500}
.trust .logo{height:30px;width:auto;max-width:118px;object-fit:contain;filter:grayscale(1);opacity:.55;transition:var(--t)}
.trust .logo:hover{filter:none;opacity:1}
/* white-on-transparent logos: invert to dark so they show on the light bar */
.trust .logo--light{filter:invert(1) grayscale(1);opacity:.6}
.trust .logo--light:hover{filter:invert(1);opacity:.9}
/* scroll-down cue at the bottom of the hero */
.scroll-cue{display:flex;justify-content:center;align-items:center;color:var(--soft);
  margin-top:1.4rem;padding-bottom:.25rem;animation:bob 1.9s ease-in-out infinite}
.scroll-cue:hover{color:var(--blue)}
.scroll-cue svg{width:28px;height:28px}
@keyframes bob{0%,100%{transform:translateY(-2px)}50%{transform:translateY(5px)}}

/* ---------- Services (no boxes, editorial columns) ---------- */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:2.2rem}
.svc{padding-top:1.4rem;border-top:2px solid var(--ink)}
.svc .n{color:var(--blue);font-weight:700;font-size:.95rem}
.svc h3{margin:.7rem 0 .6rem;font-size:1.35rem}
.svc p{font-size:.97rem}
.svc ul{margin:.8rem 0 0;padding-left:1.1rem;font-size:.9rem;color:var(--muted)}
.svc li{margin-top:.25rem}
@media(max-width:820px){.cols{grid-template-columns:1fr;gap:1.6rem}}

/* ---------- Projects (image-led, frameless) ---------- */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.project{display:flex;flex-direction:column}
.project .media{aspect-ratio:16/11;border-radius:var(--r);background:linear-gradient(150deg,#eaf1ff,#e4e9f4);
  display:grid;place-items:center;color:var(--blue);overflow:hidden;transition:var(--t)}
.project .media svg{width:100%;height:100%;display:block}
.project .media img{width:100%;height:100%;object-fit:cover;object-position:left top;display:block}
.project:hover .media{transform:translateY(-3px);box-shadow:var(--shadow)}
.project h3{margin-top:1.1rem;font-size:1.18rem}
.project .tags{margin-top:.35rem;color:var(--soft);font-size:.85rem}
.project .more{margin-top:.7rem;color:var(--blue);font-weight:600;font-size:.92rem;display:inline-flex;gap:.35rem;align-items:center}
.project .more svg{width:16px;height:16px;transition:var(--t)}
.project:hover .more svg{transform:translateX(3px)}
@media(max-width:820px){.projects{grid-template-columns:1fr}}

/* ---------- Approach (why me) ---------- */
.approach{display:grid;grid-template-columns:repeat(3,1fr);gap:2.2rem;margin-top:2.5rem}
.approach .item h3{font-size:1.1rem;margin-bottom:.4rem;display:flex;align-items:center;gap:.5rem}
.approach .item h3 svg{width:20px;height:20px;color:var(--blue)}
.approach .item p{font-size:.94rem}
@media(max-width:820px){.approach{grid-template-columns:1fr;gap:1.6rem}}

/* ---------- Testimonial ---------- */
.quote{max-width:24ch;font-size:clamp(1.6rem,3vw,2.3rem);font-weight:600;color:var(--ink);
  letter-spacing:-.02em;line-height:1.25}
.quote .u{color:var(--blue)}
.quote-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:2.5rem;align-items:center}
.quote-by{margin-top:1.6rem;font-size:.95rem;color:var(--muted)}
.quote-by b{color:var(--ink)}
@media(max-width:820px){.quote-wrap{grid-template-columns:1fr}}

/* ---------- CTA band (dark panel) ---------- */
.cta-band{background:var(--ink);color:#cdd3dd;border-radius:24px;padding:clamp(2.5rem,5vw,4rem);text-align:center}
.cta-band h2{color:#fff;max-width:18ch;margin:0 auto}
.cta-band p{margin:1rem auto 0;color:#9aa1ad;max-width:46ch}
.cta-band .hero__cta{justify-content:center;margin-top:2rem}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding-block:3rem;margin-top:1rem}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem;align-items:flex-start}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.6rem;list-style:none;padding:0;font-size:.92rem}
.footer-nav a{color:var(--muted)}
.footer-nav a:hover{color:var(--blue)}
.footer-legal{width:100%;border-top:1px solid var(--line);margin-top:1.6rem;padding-top:1.4rem;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;font-size:.88rem;color:var(--soft)}

/* ---------- About page ---------- */
.page-head{padding-block:3.5rem 0}
.page-head h1{font-size:clamp(2rem,4vw,2.9rem);margin-top:.7rem}
.page-head .lead{margin-top:.8rem;max-width:none}
.profile{display:grid;grid-template-columns:240px 1fr;gap:2.8rem;align-items:start}
.profile__media{display:flex;flex-direction:column;gap:1rem;align-items:flex-start}
.about-portrait{width:240px;max-width:100%}
.profile__name{font-weight:600;color:var(--ink);font-size:1.05rem}
.profile__name span{display:block;color:var(--muted);font-weight:400;font-size:.92rem}
.prose{max-width:none}
.prose p{margin-top:1rem;max-width:none}
.prose figure{margin:2.8rem auto;max-width:900px}
.profile .prose{max-width:none}
@media(max-width:760px){.profile{grid-template-columns:1fr}.profile__media{align-items:center;text-align:center}}

.skills{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.skill-group h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;margin-bottom:.6rem}
.skill-group p{color:var(--ink-2);font-size:1rem;line-height:1.9}
@media(max-width:820px){.skills{grid-template-columns:1fr;gap:1.4rem}}

.timeline{display:grid;gap:2.2rem;border-left:2px solid var(--line);padding-left:1.9rem;margin-top:.5rem}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:calc(-1.9rem - 6px);top:.4rem;width:11px;height:11px;
  border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--bg)}
.tl-date{color:var(--blue);font-weight:600;font-size:.84rem}
.tl-item h3{margin:.25rem 0 .1rem;font-size:1.2rem}
.tl-role{color:var(--muted);font-size:.92rem}
.tl-item ul{margin:.7rem 0 0;padding-left:1.1rem;font-size:.95rem}
.tl-item li{margin-top:.3rem}

.edu{display:grid;gap:0}
.edu-item{display:flex;justify-content:space-between;gap:1.5rem;border-top:1px solid var(--line);padding:1.2rem 0}
.edu-item:last-child{border-bottom:1px solid var(--line)}
.edu-item h3{font-size:1.05rem}
.edu-item .meta{color:var(--muted);font-size:.92rem;margin-top:.2rem}
.edu-item .d{color:var(--soft);font-size:.85rem;white-space:nowrap}
@media(max-width:560px){.edu-item{flex-direction:column;gap:.3rem}}

/* ---------- Case study ---------- */
.back-link{color:var(--muted);font-size:.9rem}
.back-link:hover{color:var(--blue)}
.case-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;
  margin-top:2rem;padding:1.5rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.case-meta dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
.case-meta dd{margin-top:.25rem;color:var(--ink);font-weight:500;font-size:.95rem}
.case-visual{border-radius:var(--r);background:linear-gradient(150deg,#eef1f6,#e3e8f0);
  display:grid;place-items:center;color:var(--soft);font-size:.85rem;aspect-ratio:21/9}
.prose h2{font-size:1.5rem;margin-top:2.4rem}
.prose h3{font-size:1.15rem;margin-top:1.4rem}
.prose ul{margin-top:.8rem;padding-left:1.2rem}
.prose li{margin-top:.35rem}
.prose blockquote{border-left:3px solid var(--blue);padding:.3rem 0 .3rem 1.2rem;margin-top:1.6rem;
  font-size:1.25rem;line-height:1.4;color:var(--ink);font-style:italic}
.prose figure{margin-top:1.8rem}
.prose figure .case-visual{aspect-ratio:16/9}
.prose figcaption{font-size:.85rem;color:var(--muted);margin-top:.6rem;text-align:center}

/* ---------- Two-column ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:2.8rem;align-items:start}
@media(max-width:760px){.two-col{grid-template-columns:1fr}}

/* ---------- Contact form ---------- */
.form{display:grid;gap:1rem;max-width:560px}
.form label{font-size:.9rem;font-weight:600;color:var(--ink);display:grid;gap:.4rem}
.form label .muted{font-weight:400}
.form input,.form textarea{border:1px solid var(--line-2);border-radius:10px;padding:.75rem .9rem;
  font-size:1rem;font-family:inherit;background:#fff;color:var(--ink);transition:border-color var(--t)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-tint)}
.contact-list{list-style:none;padding:0;display:grid;gap:1rem;margin-top:1.6rem}
.contact-list a{color:var(--ink);font-weight:500}
.contact-list a:hover{color:var(--blue)}

/* ---------- Utilities ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:100}
.skip-link:focus{left:0}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}