/* ============================================================
   TACHINOSAURE — Portfolio
   Thème sombre, pro — ambre (fossile) + pin sur fond quasi-noir
   Display : Fraunces · Corps : Inter · Utilitaire : JetBrains Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,340..900&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --bg: #0A0B0D;
  --bg-soft: #101217;
  --bg-elevated: #15171D;
  --bg-elevated-2: #1C1F26;
  --border: rgba(255,255,255,.09);
  --border-strong: rgba(255,255,255,.18);

  --text: #F2F1EC;
  --text-soft: #A6ACA3;
  --text-faint: #686D66;

  --amber: #E0A857;
  --amber-deep: #B4762A;
  --amber-dim: rgba(224,168,87,.14);
  --amber-glow: rgba(224,168,87,.4);

  --pine: #5B9179;
  --pine-dim: rgba(91,145,121,.14);
  --pine-glow: rgba(91,145,121,.35);

  --white: #FFFFFF;

  --display: 'Fraunces', serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --container: 1180px;
  --nav-h: 76px;

  --ease: cubic-bezier(.16,.8,.24,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; background: var(--bg); }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

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

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }

::selection{ background: var(--amber-dim); color: var(--text); }

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

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: "";
  width: 7px; height: 7px;
  background: var(--amber);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--amber-glow);
}

h1, h2, h3{
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--text);
}

/* ---------------- Fossil mark (signature element) ---------------- */
.fossil-mark{
  width: 34px; height: 34px;
  flex: none;
  filter: drop-shadow(0 0 6px var(--amber-glow));
}
.fossil-mark svg{ width: 100%; height: 100%; }

.nav-avatar{
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--border-strong);
  box-shadow: 0 0 0 3px var(--bg), 0 0 16px var(--amber-glow);
  flex: none;
}

.hero-avatar-badge{
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.hero-avatar-badge img{
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--amber);
  box-shadow: 0 0 22px var(--amber-glow);
}

/* ---------------- Ambient glow blobs (reusable) ---------------- */
.glow-field{
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.glow-field::before, .glow-field::after{
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .55;
}
.glow-field::before{
  top: -220px; left: -160px;
  background: radial-gradient(circle, var(--amber-glow), transparent 70%);
}
.glow-field::after{
  bottom: -260px; right: -180px;
  background: radial-gradient(circle, var(--pine-glow), transparent 70%);
}

/* ---------------- Nav ---------------- */
.site-nav{
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10,11,13,.72);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--border);
}
.site-nav .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -.01em;
}
.brand small{
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 1px;
}
.nav-links{
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a{
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .03em;
  padding: 9px 16px;
  border-radius: 100px;
  color: var(--text-soft);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.nav-links a:hover{ background: var(--bg-elevated); color: var(--text); }
.nav-links a.active{ background: var(--bg-elevated-2); color: var(--amber); border: 1px solid var(--border-strong); }
.nav-cta{
  font-family: var(--mono) !important;
  background: linear-gradient(135deg, var(--amber), var(--amber-deep)) !important;
  color: #16110A !important;
  font-weight: 600;
  box-shadow: 0 6px 20px -8px var(--amber-glow);
}
.nav-cta:hover{ filter: brightness(1.08); }
.nav-cta.active{ border: none !important; }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content: "";
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  position: relative;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }

@media (max-width: 860px){
  .nav-toggle{ display: flex; }
  .nav-links{
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px 20px;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }
  .nav-links.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a{ text-align: center; padding: 13px 16px; }
}

/* ---------------- Buttons ---------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: .03em;
  padding: 14px 24px;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn-primary{
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  color: #16110A;
  font-weight: 600;
  box-shadow: 0 10px 30px -12px var(--amber-glow);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 34px -10px var(--amber-glow); }
.btn-ghost{ border-color: var(--border-strong); color: var(--text); background: var(--bg-elevated); }
.btn-ghost:hover{ border-color: var(--amber); transform: translateY(-2px); }
.btn-amber{
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  color: #16110A;
  font-weight: 600;
  box-shadow: 0 10px 30px -12px var(--amber-glow);
}
.btn-amber:hover{ transform: translateY(-2px); filter: brightness(1.06); }

/* ---------------- Footer ---------------- */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 36px 0;
  background:
    radial-gradient(ellipse 800px 200px at 50% 0%, var(--amber-dim), transparent 70%),
    var(--bg);
}
.site-footer .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-faint);
}
.site-footer a{ color: var(--text-soft); transition: color .2s; }
.site-footer a:hover{ color: var(--amber); }
.footer-links{ display: flex; gap: 22px; }
.footer-legend{
  width: 100%;
  margin: 0 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 9px;
}
.footer-legend .ai-badge{ position: static; }

/* ---------------- Reveal on scroll ---------------- */
.reveal{
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------------- Tags ---------------- */
.tag-row{ display: flex; flex-wrap: wrap; gap: 8px; }
.tag{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .02em;
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  color: var(--text-soft);
  background: var(--bg-elevated);
}

/* ---------------- AI badge ---------------- */
.ai-badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--amber);
  opacity: .75;
  cursor: help;
  transform: translateY(-6px);
  margin-left: 4px;
}

/* ============================================================
   HOME — Hero
   ============================================================ */
.hero{ padding: 96px 0 88px; position: relative; overflow: hidden; }
.hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}
.hero-title{
  font-size: clamp(38px, 5vw, 64px);
  margin: 22px 0 26px;
}
.hero-sub{
  font-size: 17.5px;
  color: var(--text-soft);
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

/* Terminal card — signature element */
.terminal-card{
  background: linear-gradient(180deg, var(--bg-elevated), #0D0E11);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.7), 0 0 60px -20px var(--amber-glow);
  transform: rotate(1.2deg);
}
.terminal-bar{
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 16px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
  flex-wrap: nowrap;
}
.terminal-bar span{
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #4A4D48;
  flex: none;
}
.terminal-bar span:nth-child(1){ background: #C9694A; }
.terminal-bar span:nth-child(2){ background: var(--amber); }
.terminal-bar span:nth-child(3){ background: var(--pine); }
.terminal-title{
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1 1 auto;
}
.terminal-body{
  padding: 24px 22px 26px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 2.05;
}
.terminal-body p{ margin: 0; color: #C8CBBE; }
.t-prompt{ color: var(--amber); }
.t-path{ color: var(--pine); }
.t-dollar{ color: var(--text-faint); }
.t-line{ padding-left: 2px; display: flex; align-items: center; gap: 9px; }
.t-dot{
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pine); flex: none;
  box-shadow: 0 0 8px var(--pine-glow);
}
.t-dot-idle{ background: var(--text-faint); box-shadow: none; }
.t-muted{ color: var(--text-faint); }
.t-caret{ margin-top: 10px; }
.cursor{ color: var(--amber); animation: blink 1.1s step-end infinite; }
@keyframes blink{ 50%{ opacity: 0; } }

.terminal-input{
  background: transparent;
  border: none;
  outline: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--text);
  caret-color: var(--amber);
  width: 220px;
  max-width: 46vw;
}
.terminal-input::placeholder{ color: var(--text-faint); }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .terminal-card{ transform: none; }
}

/* ============================================================
   HOME — About
   ============================================================ */
.about{ padding: 90px 0; border-top: 1px solid var(--border); }
.about-grid{
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 56px;
}
.section-title{
  font-size: clamp(28px, 3.4vw, 40px);
  margin-top: 14px;
}
.about-text p{
  color: var(--text-soft);
  font-size: 16.5px;
  max-width: 62ch;
}
@media (max-width: 800px){ .about-grid{ grid-template-columns: 1fr; } }

/* ============================================================
   HOME — Projects teaser
   ============================================================ */
.teaser{ padding: 90px 0; border-top: 1px solid var(--border); }
.teaser-head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}
.teaser-link{
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--amber);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--amber);
}
.teaser-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.teaser-card{
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 26px 30px;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.teaser-card::before{
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--amber-glow), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s var(--ease);
  pointer-events: none;
}
.teaser-card:hover{
  transform: translateY(-5px);
  border-color: var(--border-strong);
  box-shadow: 0 24px 50px -24px rgba(0,0,0,.6);
}
.teaser-card:hover::before{ opacity: 1; }
.teaser-tag{
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--amber);
  text-transform: uppercase;
}
.teaser-card h3{
  font-size: 22px;
  margin: 14px 0 10px;
}
.teaser-card p{
  color: var(--text-soft);
  font-size: 14.5px;
  margin: 0;
}
@media (max-width: 860px){ .teaser-grid{ grid-template-columns: 1fr; } }

/* ============================================================
   HOME — NAS teaser
   ============================================================ */
.nas-teaser{
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #0F1712 0%, #0A0B0D 65%);
  padding: 84px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.nas-teaser-grid{ position: relative; z-index: 1; }
.nas-teaser-grid p{
  color: var(--text-soft);
  font-size: 17px;
  max-width: 52ch;
  margin: 18px 0 30px;
}
.nas-teaser .section-title{ color: var(--text); }
.nas-teaser .eyebrow{ color: var(--pine); }
.nas-teaser .eyebrow::before{ background: var(--pine); box-shadow: 0 0 10px var(--pine-glow); }

/* ============================================================
   HOME — CTA band
   ============================================================ */
.cta-band{ padding: 96px 0; text-align: center; position: relative; overflow: hidden; }
.cta-band-inner{ position: relative; z-index: 1; }
.cta-band-inner p{
  color: var(--text-soft);
  font-size: 17px;
  margin: 16px 0 32px;
}

/* ============================================================
   NAS page
   ============================================================ */
.nas-hero{ padding: 90px 0 80px; position: relative; overflow: hidden; }
.nas-hero-grid{ position: relative; z-index: 1; }
.nas-hero-grid .hero-title{ font-size: clamp(34px, 4.6vw, 56px); }

.services{ padding: 30px 0 90px; }
.service-grid{
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.service-card{
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.service-card:hover{
  transform: translateY(-4px);
  border-color: var(--pine);
  box-shadow: 0 24px 50px -28px rgba(0,0,0,.6), 0 0 40px -20px var(--pine-glow);
}
.service-icon{
  display: inline-flex;
  width: 38px; height: 38px;
  align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--pine-dim);
  color: var(--pine);
  font-size: 16px;
  margin-bottom: 18px;
}
.service-card h3{ font-size: 19px; margin-bottom: 8px; }
.service-card p{ color: var(--text-soft); font-size: 14.5px; margin: 0; }
.service-card-more{ background: var(--bg-soft); border-style: dashed; }
.service-card-more .service-icon{ background: var(--amber-dim); color: var(--amber); }

@media (max-width: 900px){ .service-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px){ .service-grid{ grid-template-columns: 1fr; } }

.nas-cta{
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #0F1712 0%, #0A0B0D 65%);
  padding: 84px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.nas-cta-inner{ position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.nas-cta .eyebrow{ color: var(--pine); justify-content: center; }
.nas-cta .eyebrow::before{ background: var(--pine); box-shadow: 0 0 10px var(--pine-glow); }
.nas-cta .section-title{ color: var(--text); margin-bottom: 14px; }
.nas-cta p{ color: var(--text-soft); font-size: 16.5px; margin: 0 0 30px; }

/* ============================================================
   Contact page
   ============================================================ */
.contact-hero{ padding: 90px 0 20px; position: relative; overflow: hidden; }
.contact-hero .container{ position: relative; z-index: 1; }
.contact-body{ padding: 60px 0 100px; }
.contact-grid{
  display: grid;
  grid-template-columns: 1.4fr .9fr;
  gap: 56px;
  align-items: start;
}
.contact-form{
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row{ display: flex; flex-direction: column; gap: 8px; }
.form-row label{
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.form-row input, .form-row textarea{
  font-family: var(--body);
  font-size: 15px;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  resize: vertical;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.form-row input::placeholder, .form-row textarea::placeholder{ color: var(--text-faint); }
.form-row input:focus, .form-row textarea:focus{
  border-color: var(--amber);
  background: var(--bg-elevated-2);
  outline: none;
  box-shadow: 0 0 0 4px var(--amber-dim);
}
.contact-form .btn{ align-self: flex-start; border: none; }
.form-status{
  font-family: var(--mono);
  font-size: 13px;
  color: var(--pine);
  min-height: 18px;
  margin: 0;
}
.form-status.is-error{ color: #E08A6F; }

.contact-side h3{
  font-family: var(--display);
  font-size: 20px;
  margin-bottom: 20px;
}
.contact-list{ display: flex; flex-direction: column; gap: 16px; margin-bottom: 30px; }
.contact-list li{
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.contact-label{
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.contact-list a, .contact-value{
  font-size: 15.5px;
  color: var(--text);
}
.contact-list a:hover{ color: var(--amber); }
.contact-note{
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
}

@media (max-width: 860px){
  .contact-grid{ grid-template-columns: 1fr; }
  .contact-form{ padding: 28px; }
}