/* ============================================
   ROMAIN BLANLOEIL — PORTFOLIO
   ============================================ */

/* Import de Space Grotesk pour les titres, IBM Plex Sans pour le corps, IBM Plex Mono pour le code */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Couleurs */
  --paper:        #F6F5F2;
  --paper-dim:    #EDEBE6;
  --ink:          #1B2430;
  --ink-soft:     #4A5568;
  --teal:         #1F6F6B;
  --teal-soft:    #E4EEED;
  --anthracite:   #10202B;
  --anthracite-2: #16303F;
  --line:         #D8D5CD;
  --line-dark:    #2A3A47;

  /* Typo révisée : Space Grotesk pour les titres */
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body:    'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  /* Rythme */
  --max-w: 1120px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600; /* Ajusté pour Space Grotesk */
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.02em; /* Rend les titres plus compacts et modernes */
}

p { margin: 0 0 1em; max-width: 62ch; }

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; display: block; }

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

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem);
}

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  margin: 0 0 0.75rem;
}

.section-label::before {
  content: '## ';
  color: var(--ink-soft);
  opacity: 0.55;
}

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 245, 242, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.nav-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  z-index: 60;
}

.nav-links {
  display: flex;
  gap: clamp(1rem, 3vw, 1.75rem);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--teal);
  border-color: var(--teal);
}

/* Navigation Mobile (Pure CSS Toggle) */
.nav-toggle-checkbox { display: none; }
.nav-toggle-btn { display: none; cursor: pointer; z-index: 60; }

@media (max-width: 700px) {
  .nav-toggle-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }

  .nav-toggle-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--ink);
    transition: transform 0.2s, opacity 0.2s;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    opacity: 0;
    pointer-events: none;
  }

  .nav-toggle-checkbox:checked ~ .nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle-checkbox:checked ~ .nav-toggle-btn span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle-checkbox:checked ~ .nav-toggle-btn span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle-checkbox:checked ~ .nav-toggle-btn span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ---------- HERO ---------- */
.hero {
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--gap);
  align-items: center;
}

@media (max-width: 800px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }
  .hero-photo { order: -1; max-width: 220px; margin: 0 0 1.5rem; }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--teal);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  letter-spacing: -0.02em;
  max-width: 17ch;
}

.hero h1 .accent {
  color: var(--teal);
}

.hero-sub {
  margin-top: 1.4rem;
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 46ch;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal);
  border: 1px solid var(--line);
  padding: 0.25rem 0.55rem;
  border-radius: 3px;
  background: var(--paper-dim);
}

.tag::before,
.tag::after {
  content: '`';
  color: var(--ink-soft);
  opacity: 0.5;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.75rem 1.4rem;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--anthracite);
  color: var(--paper);
}
.btn-primary:hover { background: var(--anthracite-2); }

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover { background: var(--paper-dim); }

.hero-photo {
  justify-self: center;
  max-width: 320px;
  width: 100%;
}

.hero-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 30%;
  border-radius: 6px;
  border: 1px solid var(--line);
}

/* ---------- PARCOURS (timeline) ---------- */
.timeline {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.timeline-item {
  position: relative;
  padding: 0 0 2.5rem 2.2rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-num {
  position: absolute;
  left: -0.86rem;
  top: 0;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--teal);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  margin-bottom: 0.3rem;
}

.timeline-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.timeline-item p { color: var(--ink-soft); margin-bottom: 0; }

/* ---------- COMPETENCES ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 2.5rem;
}

@media (max-width: 760px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
}

.skill-card {
  background: var(--paper);
  padding: 1.5rem;
}

.skill-card h3 {
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--teal);
  margin-bottom: 0.8rem;
}

.skill-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.skill-card li { padding: 0.2rem 0; }

.softskills {
  margin-top: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.softskill h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.softskill p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- CERTIFICATIONS ---------- */
.certs {
  margin-top: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--line);
}

.certs h3 {
  font-size: 1.3rem;
  margin-top: 0.3rem;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.cert-card {
  border: 1px solid var(--line);
  padding: 1.2rem;
  border-radius: 4px;
  background: var(--paper);
}

.cert-card .cert-name {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.cert-card .cert-name::before {
  content: '- [ ]';
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--line-dark);
  font-size: 0.85rem;
}

.cert-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
}

.cert-status.status-cours {
  color: var(--teal);
  font-weight: 500;
}

.cert-status.status-projet {
  color: var(--ink-soft);
}

.cert-status.status-standby {
  color: var(--ink-soft);
  opacity: 0.7;
  font-style: italic;
}

/* ---------- PROJETS ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.project-card {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.project-thumb {
  aspect-ratio: 16 / 10;
  background: var(--anthracite);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-body {
  padding: 1.3rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.project-body p {
  font-size: 0.93rem;
  color: var(--ink-soft);
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.project-tags .tag { font-size: 0.72rem; padding: 0.2rem 0.5rem; }

/* ---------- CONTACT ---------- */
.contact {
  background: var(--anthracite);
  color: var(--paper);
}

.contact .section-label { color: #7FC6C2; }

.contact h2 { color: var(--paper); }

.contact-intro {
  color: #B8C4CC;
  max-width: 50ch;
  margin-top: 0.8rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  margin-top: 2.5rem;
}

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #8FA3AF;
  margin-bottom: 0.4rem;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--anthracite-2);
  border: 1px solid var(--line-dark);
  color: var(--paper);
  padding: 0.7rem 0.85rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.field textarea { resize: vertical; min-height: 110px; }

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

.contact .btn-primary {
  background: var(--teal);
  align-self: flex-start;
}
.contact .btn-primary:hover { background: #26847F; }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 0.98rem;
}

.contact-link span:first-child { color: #8FA3AF; font-family: var(--font-mono); font-size: 0.8rem; }

.contact-link:hover span:last-child { color: #7FC6C2; }

footer {
  background: var(--anthracite);
  color: #8FA3AF;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line-dark);
  text-align: center;
}

footer p {
  margin: 0 auto;
  max-width: 100%;
  font-size: 0.92rem;
  font-weight: 500;
}

/* ============================================
   PAGES PROJETS DÉDIÉES
   ============================================ */

.project-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 2rem;
  transition: color 0.15s;
}

.project-back:hover { color: var(--teal); }

.project-hero-banner {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-top: 1.5rem;
}

.project-hero-banner-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-top: 1.5rem;
  background: var(--anthracite);
  color: var(--paper-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-align: center;
  padding: 1rem;
}

.project-hero-head {
  margin-top: 2rem;
  max-width: 70ch;
}

.project-hero-head h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
}

.project-synopsis {
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}

.project-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.project-content {
  max-width: 70ch;
  margin-top: 1rem;
}

.project-content h2 {
  font-size: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.project-content h2:first-of-type { margin-top: 0; }

.project-content p,
.project-content li {
  color: var(--ink-soft);
  font-size: 1rem;
}

.project-content ul {
  margin: 0 0 1em;
  padding-left: 1.2rem;
}

.project-result {
  background: var(--teal-soft);
  border-left: 3px solid var(--teal);
  border-radius: 0 4px 4px 0;
  padding: 1.1rem 1.4rem;
  margin-top: 1rem;
}

.project-result p {
  color: var(--ink);
  margin: 0;
}

.project-links-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 1rem;
  border-top: 1px solid var(--line);
}

.project-links-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.98rem;
  color: var(--ink);
  transition: color 0.15s;
}

.project-links-list a:hover { color: var(--teal); }

.project-links-list a span:first-child {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.project-nav-footer {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.project-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  color: var(--teal);
}