/* ============================================================================
   Portfolio — Branavan JEYAKUMAR
   Thème « terminal / cyber ». Sombre par défaut, clair disponible.
   Aucune police externe : tout est servi depuis l'origine pour garder une CSP
   stricte (pas de font-src tiers) et zéro requête vers un CDN.
   ========================================================================= */

/* ---------------------------------------------------------------- tokens -- */
:root {
  /* Palette sombre (défaut) */
  --bg:            #080b11;
  --bg-elevated:   #0d131c;
  --surface:       #111926;
  --surface-hover: #16202f;
  --border:        #1d2a3a;
  --border-strong: #2b3d52;

  --text:          #ccd9e8;
  --text-strong:   #f0f6fc;
  --text-muted:    #7d92aa;
  --text-faint:    #536780;

  --accent:        #2ee6a6;
  --accent-dim:    #1fa87a;
  --accent-glow:   rgba(46, 230, 166, .14);
  --cyan:          #56b6ff;
  --cyan-glow:     rgba(86, 182, 255, .12);
  --amber:         #f0b429;
  --red:           #ff6b6b;

  --grid-line:     rgba(120, 160, 200, .045);
  --shadow-sm:     0 1px 2px rgba(0,0,0,.4);
  --shadow-md:     0 8px 24px -8px rgba(0,0,0,.6);
  --shadow-lg:     0 24px 64px -16px rgba(0,0,0,.7);

  /* Typographie */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", "JetBrains Mono",
               "Fira Code", Menlo, Consolas, "Liberation Mono", monospace;

  /* Rythme */
  --maxw: 1080px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 10px;
  --radius-sm: 6px;

  color-scheme: dark;
}

/* Thème clair : choix explicite du visiteur */
:root[data-theme="light"] {
  --bg:            #f4f7fa;
  --bg-elevated:   #ffffff;
  --surface:       #ffffff;
  --surface-hover: #eef3f8;
  --border:        #dce5ee;
  --border-strong: #b9c9d9;

  --text:          #27374a;
  --text-strong:   #0b1622;
  --text-muted:    #5a6e85;
  --text-faint:    #8296ab;

  --accent:        #05875f;
  --accent-dim:    #046b4c;
  --accent-glow:   rgba(5, 135, 95, .10);
  --cyan:          #0369a1;
  --cyan-glow:     rgba(3, 105, 161, .09);
  --amber:         #a16207;
  --red:           #c0392b;

  --grid-line:     rgba(40, 70, 110, .05);
  --shadow-sm:     0 1px 2px rgba(15,35,60,.07);
  --shadow-md:     0 8px 24px -10px rgba(15,35,60,.18);
  --shadow-lg:     0 24px 60px -18px rgba(15,35,60,.22);

  color-scheme: light;
}

/* Si le visiteur n'a rien choisi mais que son système préfère le clair */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg:            #f4f7fa;
    --bg-elevated:   #ffffff;
    --surface:       #ffffff;
    --surface-hover: #eef3f8;
    --border:        #dce5ee;
    --border-strong: #b9c9d9;
    --text:          #27374a;
    --text-strong:   #0b1622;
    --text-muted:    #5a6e85;
    --text-faint:    #8296ab;
    --accent:        #05875f;
    --accent-dim:    #046b4c;
    --accent-glow:   rgba(5, 135, 95, .10);
    --cyan:          #0369a1;
    --cyan-glow:     rgba(3, 105, 161, .09);
    --amber:         #a16207;
    --red:           #c0392b;
    --grid-line:     rgba(40, 70, 110, .05);
    --shadow-sm:     0 1px 2px rgba(15,35,60,.07);
    --shadow-md:     0 8px 24px -10px rgba(15,35,60,.18);
    --shadow-lg:     0 24px 60px -18px rgba(15,35,60,.22);
    color-scheme: light;
  }
}

/* ------------------------------------------------------------------ base -- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Grille technique en fond, très discrète */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

h1, h2, h3, h4 {
  color: var(--text-strong);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 0;
}

code, kbd, samp, pre { font-family: var(--font-mono); }

::selection { background: var(--accent); color: var(--bg); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: #06120d;
  padding: .7rem 1.2rem;
  font-family: var(--font-mono);
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------ navigation -- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top, 0px);
}
@supports not (backdrop-filter: blur(1px)) {
  .nav { background: var(--bg); }
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: .5ch;
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-strong);
  text-decoration: none;
  white-space: nowrap;
  margin-right: auto;
}
.brand:hover { text-decoration: none; }
.brand__sigil { color: var(--accent); }
.brand__host { color: var(--text-faint); font-weight: 400; }

.nav__links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  display: block;
  padding: .45rem .7rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--text-muted);
  letter-spacing: .01em;
  transition: color .16s, background .16s;
}
.nav__links a:hover,
.nav__links a[aria-current="true"] {
  color: var(--accent);
  background: var(--accent-glow);
  text-decoration: none;
}

.nav__actions { display: flex; align-items: center; gap: .4rem; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: color .16s, border-color .16s, background .16s;
}
.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--surface-hover);
}
.icon-btn svg { width: 1.05rem; height: 1.05rem; display: block; }

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) .theme-toggle .icon-sun  { display: block; }
  :root:not([data-theme="dark"]):not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

.nav__burger { display: none; }

@media (max-width: 860px) {
  .nav__burger { display: inline-grid; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem var(--gutter) 1rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav__links[data-open="false"] { display: none; }
  .nav__links a { padding: .75rem .5rem; font-size: .9rem; }
}

/* ----------------------------------------------------------------- hero -- */
.hero {
  padding-block: clamp(3rem, 9vw, 6rem) clamp(2.5rem, 7vw, 5rem);
  position: relative;
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: .6ch;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 100px;
  padding: .35rem .85rem .35rem .65rem;
  margin-bottom: 1.5rem;
}
.pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.4s infinite;
  flex: none;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  70%  { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero__name {
  font-size: clamp(2.4rem, 7.5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -.035em;
  margin-bottom: .4rem;
}
.hero__name .given { color: var(--text-strong); }
.hero__name .family {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}

.hero__role {
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.2rem);
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  min-height: 1.6em;
}
.hero__role .prompt { color: var(--accent); }
.cursor {
  display: inline-block;
  width: .55ch;
  height: 1.05em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1.05s step-end infinite;
  margin-left: 1px;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero__lede {
  max-width: 60ch;
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6ch;
  font-family: var(--font-mono);
  font-size: .87rem;
  font-weight: 600;
  padding: .7rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s, border-color .15s, color .15s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 1rem; height: 1rem; flex: none; }

.btn--primary {
  background: var(--accent);
  color: #05120c;
  box-shadow: 0 6px 22px -8px var(--accent);
}
.btn--primary:hover { box-shadow: 0 12px 30px -8px var(--accent); }
:root[data-theme="light"] .btn--primary { color: #ffffff; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) .btn--primary { color: #fff; }
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--surface-hover); }

/* Fenêtre terminal du hero */
.term {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 660px;
}
.term__bar {
  display: flex;
  align-items: center;
  gap: .5ch;
  padding: .6rem .85rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.term__dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.term__dot:nth-child(1) { background: #ff5f57; }
.term__dot:nth-child(2) { background: #febc2e; }
.term__dot:nth-child(3) { background: #28c840; }
.term__title {
  margin-left: .75rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.term__body {
  margin: 0;
  padding: 1rem 1.1rem 1.15rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.85;
  color: var(--text-muted);
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}
.term__body .c-prompt { color: var(--accent); }
.term__body .c-cmd    { color: var(--text-strong); }
.term__body .c-key    { color: var(--cyan); }
.term__body .c-val    { color: var(--text); }
.term__body .c-ok     { color: var(--accent); }
.term__body .c-note   { color: var(--text-faint); }

/* -------------------------------------------------------------- sections -- */
.section { padding-block: clamp(3rem, 8vw, 5.5rem); position: relative; }
.section + .section { border-top: 1px solid var(--border); }

.section__head { margin-bottom: 2.75rem; }
.section__eyebrow {
  display: flex;
  align-items: center;
  gap: .75ch;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: .6rem;
}
.section__eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}
.section__num { color: var(--accent); }
.section__title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
}
.section__sub {
  margin: .6rem 0 0;
  color: var(--text-muted);
  max-width: 62ch;
}

/* ---------------------------------------------------------------- profil -- */
.profile {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 800px) { .profile { grid-template-columns: 1fr; } }

.profile__text p { margin: 0 0 1.1rem; }
.profile__text p:last-child { margin-bottom: 0; }
.profile__text strong { color: var(--text-strong); font-weight: 600; }
.profile__goal {
  border-left: 2px solid var(--accent);
  padding: .1rem 0 .1rem 1.1rem;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--text) !important;
}

.facts {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.fact {
  background: var(--surface);
  padding: .95rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: .87rem;
}
.fact dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}
.fact dd {
  margin: 0;
  color: var(--text-strong);
  text-align: right;
  font-weight: 500;
}

/* ------------------------------------------------------------ expérience -- */
.timeline { position: relative; display: grid; gap: 1.1rem; }

.job {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.job:hover {
  border-left-color: var(--accent);
  transform: translateX(3px);
  box-shadow: var(--shadow-md);
}
.job[data-current="true"] { border-left-color: var(--accent); }

.job__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .5rem 1rem;
  margin-bottom: .2rem;
}
.job__title { font-size: 1.08rem; font-weight: 650; }
.job__period {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--text-faint);
  white-space: nowrap;
  letter-spacing: .02em;
}
.job__meta {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--accent);
  margin-bottom: .9rem;
}
.job__meta .sep { color: var(--text-faint); margin-inline: .5ch; }
.job__meta .place { color: var(--text-muted); }

.job__list { margin: 0; padding: 0; list-style: none; display: grid; gap: .45rem; }
.job__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .93rem;
  color: var(--text-muted);
}
.job__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: .8rem;
  top: .1em;
}

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  padding: .22rem .55rem;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  white-space: nowrap;
}

/* --------------------------------------------------------------- projets -- */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
@media (max-width: 800px) { .projects { grid-template-columns: 1fr; } }

.project {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.project:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.project__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .75rem;
}
.project__icon {
  display: grid;
  place-items: center;
  width: 2.4rem; height: 2.4rem;
  flex: none;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  color: var(--accent);
}
.project__icon svg { width: 1.2rem; height: 1.2rem; }
.project__index {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-faint);
  letter-spacing: .08em;
}
.project__title { font-size: 1.05rem; font-weight: 650; margin-bottom: .45rem; }
.project__desc { font-size: .92rem; color: var(--text-muted); margin: 0 0 .9rem; }

.project__points { margin: 0 0 1rem; padding: 0; list-style: none; display: grid; gap: .35rem; }
.project__points li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .86rem;
  color: var(--text-muted);
}
.project__points li::before {
  content: "—";
  position: absolute; left: 0;
  color: var(--accent-dim);
}
.project__foot { margin-top: auto; }

/* --------------------------------------------------------------- docs -- */
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.1rem; }

.doc-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  color: inherit;
  text-decoration: none;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.doc-card:hover {
  text-decoration: none;
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.doc-card__kicker {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--cyan);
}
.doc-card__title { font-size: 1rem; font-weight: 650; }
.doc-card__desc { font-size: .87rem; color: var(--text-muted); margin: 0; flex: 1; }
.doc-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--text-faint);
  padding-top: .5rem;
  border-top: 1px dashed var(--border);
}
.doc-card__go { color: var(--cyan); }

.docs-empty {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: .88rem;
}

/* ---------------------------------------------------------- compétences -- */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.1rem; }

.skillset {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}
.skillset__head {
  display: flex;
  align-items: center;
  gap: .7ch;
  margin-bottom: .95rem;
  padding-bottom: .7rem;
  border-bottom: 1px dashed var(--border);
}
.skillset__head svg { width: 1.05rem; height: 1.05rem; color: var(--accent); flex: none; }
.skillset__title {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-strong);
}
.skillset ul { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: 0; padding: 0; }
.skillset li {
  font-family: var(--font-mono);
  font-size: .78rem;
  padding: .3rem .6rem;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color .15s, border-color .15s, background .15s;
}
.skillset li:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}

/* ---------------------------------------------------- formation / certifs -- */
.two-col { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(1.5rem, 4vw, 2.5rem); align-items: start; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

.col__label {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
}

.edu { display: grid; gap: .9rem; }
.edu__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.edu__top {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  align-items: baseline; gap: .4rem 1rem;
}
.edu__title { font-size: .98rem; font-weight: 650; }
.edu__period { font-family: var(--font-mono); font-size: .74rem; color: var(--text-faint); white-space: nowrap; }
.edu__school { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); margin-top: .15rem; }
.edu__note { font-size: .85rem; color: var(--text-muted); margin: .5rem 0 0; }

.certs { display: grid; gap: .9rem; }
.cert {
  display: flex; gap: .9rem; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.cert__badge {
  display: grid; place-items: center;
  width: 2.2rem; height: 2.2rem; flex: none;
  border-radius: 50%;
  background: var(--cyan-glow);
  border: 1px solid color-mix(in srgb, var(--cyan) 30%, transparent);
  color: var(--cyan);
}
.cert__badge svg { width: 1.1rem; height: 1.1rem; }
.cert__name { font-size: .94rem; font-weight: 650; }
.cert__issuer { font-family: var(--font-mono); font-size: .76rem; color: var(--text-faint); margin-top: .1rem; }
.cert__detail { font-size: .85rem; color: var(--text-muted); margin: .45rem 0 0; }

/* -------------------------------------------------------------- contact -- */
.contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }

.contact__links { display: grid; gap: .6rem; }
.clink {
  display: flex; align-items: center; gap: .85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem 1rem;
  color: inherit;
  text-decoration: none;
  transition: border-color .18s, background .18s, transform .18s;
}
.clink:hover { text-decoration: none; border-color: var(--accent-dim); background: var(--surface-hover); transform: translateX(3px); }
.clink svg { width: 1.15rem; height: 1.15rem; color: var(--accent); flex: none; }
.clink__label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .07em; text-transform: uppercase; color: var(--text-faint); }
.clink__value { font-size: .9rem; color: var(--text-strong); word-break: break-word; }

.form { display: grid; gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field label {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.field label .req { color: var(--accent); }

.field input, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: .94rem;
  color: var(--text-strong);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .7rem .85rem;
  transition: border-color .16s, box-shadow .16s;
}
.field textarea { resize: vertical; min-height: 7.5rem; line-height: 1.6; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--red); }

.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }

.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.form__note { font-size: .78rem; color: var(--text-faint); flex: 1; min-width: 200px; }

.form__status {
  font-family: var(--font-mono);
  font-size: .84rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: .7ch;
}
.form__status[data-kind="ok"]   { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); background: var(--accent-glow); }
.form__status[data-kind="err"]  { color: var(--red);    border-color: color-mix(in srgb, var(--red) 40%, transparent);    background: color-mix(in srgb, var(--red) 10%, transparent); }
.form__status[data-kind="wait"] { color: var(--cyan);   border-color: color-mix(in srgb, var(--cyan) 40%, transparent);   background: var(--cyan-glow); }

.btn[aria-disabled="true"], .btn:disabled { opacity: .55; pointer-events: none; }

/* --------------------------------------------------------------- footer -- */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem calc(2.5rem + env(safe-area-inset-bottom, 0px));
  margin-top: 1rem;
}
.footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}
.footer__note { font-family: var(--font-mono); font-size: .76rem; color: var(--text-faint); margin: 0; }
.footer__note a { color: var(--text-muted); }
.footer__sec {
  display: flex; flex-wrap: wrap; gap: .45rem;
}
.badge {
  display: inline-flex; align-items: center; gap: .5ch;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  padding: .28rem .6rem;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-faint);
}
.badge svg { width: .8rem; height: .8rem; color: var(--accent); }

/* ------------------------------------------------------------ animation -- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity .55s cubic-bezier(.2,.7,.3,1), transform .55s cubic-bezier(.2,.7,.3,1);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}
/* Si JS est absent, rien ne doit rester invisible */
.no-js .reveal { opacity: 1; transform: none; }

/* --------------------------------------------------------------- print -- */
@media print {
  .nav, .hero__cta, .form, .footer__sec, .term, .reveal { animation: none; }
  .nav, .hero__cta, .form { display: none !important; }
  body { background: #fff; color: #000; }
  body::before { display: none; }
  .section + .section { border-top: 1px solid #ccc; }
  a { color: #000; text-decoration: underline; }
}