/* =============================================================
   FABIEN EMERY — PORTFOLIO CSS
   Theme: Clair & professionnel (corporate)
   Font: Sora (display) + DM Mono (accents)
   ============================================================= */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --white:      #ffffff;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-300:   #cbd5e1;
  --gray-400:   #94a3b8;
  --gray-500:   #64748b;
  --gray-700:   #334155;
  --gray-900:   #0f172a;

  --accent:     #1d4ed8;     /* corporate blue */
  --accent-lt:  #eff6ff;
  --accent-mid: #3b82f6;
  --success:    #16a34a;
  --error:      #dc2626;

  --col-blue:   #eff6ff;
  --col-green:  #f0fdf4;
  --col-purple: #faf5ff;
  --col-orange: #fff7ed;
  --col-red:    #fff1f2;
  --col-teal:   #f0fdfa;

  --col-blue-i:   #1d4ed8;
  --col-green-i:  #16a34a;
  --col-purple-i: #7c3aed;
  --col-orange-i: #ea580c;
  --col-red-i:    #e11d48;
  --col-teal-i:   #0d9488;

  --radius-sm:  8px;
  --radius:     12px;
  --radius-lg:  18px;
  --shadow-sm:  0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.05);
  --shadow:     0 4px 16px rgba(15,23,42,0.08), 0 2px 6px rgba(15,23,42,0.05);
  --shadow-lg:  0 12px 32px rgba(15,23,42,0.10), 0 4px 12px rgba(15,23,42,0.06);
  --transition: 200ms cubic-bezier(0.4,0,0.2,1);
  --max:        1100px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; }
a { color: inherit; text-decoration: none; }
input, textarea, select { font: inherit; }

/* ── Base ──────────────────────────────────────────────────── */
body {
  font-family: 'Sora', ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--white);
}

/* ── Accessibility ─────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--accent);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
}
.skip-link:focus { left: 12px; }

/* ── Layout helpers ────────────────────────────────────────── */
.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

/* ── HEADER ────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  height: 64px;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--gray-900);
}
.brand__initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: 'DM Mono', monospace;
  flex-shrink: 0;
}

/* Nav */
.nav { display: flex; align-items: center; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav__link {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--gray-900);
  background: var(--gray-100);
  text-decoration: none;
}
.nav__link--cta {
  background: var(--accent);
  color: var(--white) !important;
  margin-left: 8px;
  padding: 9px 16px;
}
.nav__link--cta:hover { background: #1e40af; }

/* Burger */
.nav__toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 0;
}
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle[aria-expanded="true"] .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .burger span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--gray-200);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 18px;
  font-family: 'DM Mono', monospace;
}
.kicker-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(22,163,74,0); }
}

.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.highlight {
  color: var(--accent);
  position: relative;
}

.hero__lead {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 540px;
}
.hero__lead strong { color: var(--gray-700); font-weight: 600; }

/* Meta row */
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--gray-500);
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.meta-link:hover { color: var(--accent); text-decoration: none; }
.meta-sep { color: var(--gray-300); }

/* CTA */
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Photo */
.hero__photo { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.photo-frame {
  position: relative;
  width: 280px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--gray-100);
}
.photo-frame img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: top;
  display: block;
}
.photo-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 1px solid rgba(15,23,42,0.08);
  pointer-events: none;
}
.photo-badge {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow);
  white-space: nowrap;
}
.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  max-width: 300px;
}

/* Stats bar */
.stats-bar {
  display: flex;
  align-items: stretch;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-top: 56px;
  padding: 0;
  overflow: hidden;
}
.stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 22px 16px;
  gap: 4px;
  text-align: center;
}
.stat__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  font-family: 'DM Mono', monospace;
  letter-spacing: -0.5px;
}
.stat__label {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
}
.stat-sep {
  width: 1px;
  background: var(--gray-200);
  margin: 16px 0;
}

/* ── SHARED SECTION ────────────────────────────────────────── */
.section { padding: 72px 0; }
.section--gray { background: var(--gray-50); }

.section__head {
  margin-bottom: 40px;
}
.section__label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent);
  margin-bottom: 8px;
  font-family: 'DM Mono', monospace;
}
.section__head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.3px;
  margin-bottom: 10px;
}
.section__desc {
  font-size: 15px;
  color: var(--gray-500);
  max-width: 600px;
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none !important;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn--primary:hover { background: #1e40af; }

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn--outline:hover { background: var(--accent-lt); }

.btn--ghost {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-200);
}
.btn--ghost:hover { background: var(--gray-100); }

.btn--full { width: 100%; justify-content: center; padding: 13px 18px; }
.btn__loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.btn.loading .btn__text { opacity: 0.5; }
.btn.loading .btn__loader { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── TAGS / CHIPS ──────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-500);
}
.chip {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-lt);
  color: var(--accent);
}
.tech-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--gray-500);
  font-family: 'DM Mono', monospace;
}

/* ── ABOUT ─────────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.about__block {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
}
.about__icon {
  width: 48px;
  height: 48px;
  background: var(--accent-lt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}
.about__block h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.about__text {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}
.about__text strong { color: var(--gray-700); }
.about__chips { display: flex; flex-wrap: wrap; gap: 6px; }

.feature-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 8px;
  line-height: 1.6;
}
.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 12px;
  top: 2px;
}

/* ── SKILLS ────────────────────────────────────────────────── */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.skill-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.skill-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.skill-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.skill-card__icon--blue   { background: var(--col-blue);   color: var(--col-blue-i); }
.skill-card__icon--green  { background: var(--col-green);  color: var(--col-green-i); }
.skill-card__icon--purple { background: var(--col-purple); color: var(--col-purple-i); }
.skill-card__icon--orange { background: var(--col-orange); color: var(--col-orange-i); }
.skill-card__icon--red    { background: var(--col-red);    color: var(--col-red-i); }
.skill-card__icon--teal   { background: var(--col-teal);   color: var(--col-teal-i); }

.skill-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 14px;
}

.skill-list { display: flex; flex-direction: column; gap: 10px; }
.skill-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.skill-name {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.4;
}
.skill-level {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: 'DM Mono', monospace;
}
.skill-level--high { background: #dcfce7; color: #15803d; }
.skill-level--med  { background: #fef9c3; color: #a16207; }
.skill-level--low  { background: var(--gray-100); color: var(--gray-500); }

/* ── PROJECTS ──────────────────────────────────────────────── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.project-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.project-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
  transform: translateY(-3px);
}
.project-card__tag {
  display: inline-flex;
  width: fit-content;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-lt);
  color: var(--accent);
  font-family: 'DM Mono', monospace;
}
.project-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}
.project-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}
.project-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.project-list li {
  font-size: 13px;
  color: var(--gray-500);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.project-list li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
}
.project-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}

/* ── TIMELINE ──────────────────────────────────────────────── */
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 20px;
  align-items: start;
}
.timeline__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 18px;
}
.timeline__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray-300);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--gray-300);
  flex-shrink: 0;
}
.timeline__dot--active {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline__line {
  width: 2px;
  background: var(--gray-200);
  flex: 1;
  min-height: 28px;
  margin: 6px 0;
}
.timeline__body {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}
.timeline__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.timeline__body h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 2px;
}
.timeline__company {
  font-size: 13px;
  color: var(--gray-500);
}
.timeline__company strong { color: var(--gray-700); }
.timeline__date {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-lt);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: 'DM Mono', monospace;
}
.timeline__list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}
.timeline__list li {
  font-size: 13px;
  color: var(--gray-500);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.timeline__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 11px;
}
.timeline__tags { display: flex; flex-wrap: wrap; gap: 5px; }

/* ── EDUCATION ─────────────────────────────────────────────── */
.edu__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.edu-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: box-shadow var(--transition);
}
.edu-card:hover { box-shadow: var(--shadow); }
.edu-card__year {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  min-width: 44px;
  padding-top: 2px;
}
.edu-card__body h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.edu-card__school {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px;
}
.edu-card__desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}
.edu-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
}
.edu-card__link:hover { text-decoration: underline; }

/* ── CONTACT ───────────────────────────────────────────────── */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 32px;
  align-items: start;
}
.contact__info h3,
.contact__form h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.contact-list { display: flex; flex-direction: column; gap: 8px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition);
}
a.contact-item:hover {
  background: var(--accent-lt);
  border-color: rgba(29,78,216,0.2);
  text-decoration: none;
}
.contact-item__icon {
  width: 38px;
  height: 38px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-item__label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--gray-400);
  margin-bottom: 2px;
}
.contact-item__value {
  font-size: 13px;
  color: var(--gray-700);
  font-weight: 500;
}

/* Form */
.contact__form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.form__group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}
.form__group input,
.form__group textarea,
.form__group select {
  padding: 10px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-900);
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  resize: vertical;
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--gray-400); }
.form__group input:focus,
.form__group textarea:focus,
.form__group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.1);
  background: var(--white);
}
.form__group input.is-invalid,
.form__group textarea.is-invalid,
.form__group select.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.08);
}
.form__error {
  font-size: 12px;
  color: var(--error);
  min-height: 16px;
  font-weight: 500;
}

.form__status {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  display: none;
}
.form__status.success {
  display: block;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
}
.form__status.error {
  display: block;
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #be123c;
}

/* ── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 28px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--white);
  font-size: 14px;
}
.footer__copy { font-size: 13px; }
.footer__tech { font-size: 12px; opacity: 0.5; }

/* ── SCROLL REVEAL ─────────────────────────────────────────── */
/* Reveal — toujours visible, animation désactivée */
.reveal, .reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .skills__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid  { grid-template-columns: repeat(2, 1fr); }
  .about__grid > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__photo { order: -1; flex-direction: row; align-items: flex-start; flex-wrap: wrap; justify-content: center; }
  .photo-frame { width: 220px; }
  .photo-frame img { height: 260px; }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .edu__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    display: none;
    position: absolute;
    top: 64px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    width: min(280px, calc(100vw - 40px));
    box-shadow: var(--shadow-lg);
    z-index: 99;
  }
  .nav__menu.is-open { display: flex; }
  .nav__link--cta { margin-left: 0; }

  .hero { padding: 48px 0 40px; }
  .stats-bar { flex-wrap: wrap; }
  .stat-sep { display: none; }
  .stat { width: 50%; border-bottom: 1px solid var(--gray-200); }

  .about__grid,
  .skills__grid,
  .projects__grid { grid-template-columns: 1fr; }
  .about__grid > :last-child { grid-column: auto; }

  .form__row { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 20px 1fr; }
  .timeline__header { flex-direction: column; gap: 6px; }

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .hero__meta { flex-direction: column; gap: 6px; }
  .meta-sep { display: none; }
}

/* ── LANGUAGE SWITCHER ─────────────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 12px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 3px;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  font-family: 'DM Mono', monospace;
  transition: background var(--transition), color var(--transition);
  text-decoration: none !important;
}
.lang-btn:hover {
  background: var(--white);
  color: var(--gray-900);
}
.lang-btn--active {
  background: var(--accent);
  color: var(--white);
  cursor: default;
}
.lang-btn--active:hover {
  background: var(--accent);
  color: var(--white);
}

@media (max-width: 720px) {
  .lang-switcher { margin-left: 8px; }
}

/* ── BRAND LOGO SVG ────────────────────────────────────────── */
.brand__logo {
  width: 36px;
  height: 36px;
  color: var(--gray-900);
  flex-shrink: 0;
  transition: color var(--transition);
}
.brand:hover .brand__logo { color: var(--accent); }

/* Footer logo — plus petit */
.footer__brand .brand__logo {
  width: 26px;
  height: 26px;
  color: var(--white);
}

/* ── CERTIFICATIONS ─────────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 16px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  box-shadow: 0 1px 3px rgba(15,23,42,.06);
  transition: box-shadow var(--transition), transform var(--transition);
}

.cert-card:hover {
  box-shadow: 0 4px 16px rgba(15,23,42,.10);
  transform: translateY(-2px);
}

.cert-card__icon {
  width: 40px;
  height: 40px;
  background: var(--accent-lt, #eff6ff);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.cert-card__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.4;
  flex: 1;
}

.cert-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
  margin-top: auto;
}

.cert-card__btn:hover {
  background: var(--accent);
  color: var(--white);
}

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