/* ============================================================
   icenore.xyz · page de présentation
   Style sobre, éditorial, orienté développeur. Sans build.
   Couleurs en variables ci-dessous. Contenu dans index.html.
   ============================================================ */

:root {
  --bg:        #0a0b0e;
  --bg-soft:   #101218;
  --panel:     #0e1015;
  --panel-2:   #14171f;
  --text:      #e8eaf0;
  --muted:     #8d93a6;
  --faint:     #5a607a;
  --accent:    #6e8bff;
  --accent-dim:#28304d;
  --border:    #1d212c;
  --border-2:  #272c3a;
  --radius:    14px;
  --ease:      cubic-bezier(.22, 1, .36, 1);
  --maxw:      1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* Grille de fond très discrète + dégradé du haut */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(110,139,255,.10), transparent 60%),
    linear-gradient(to bottom, rgba(255,255,255,.018) 1px, transparent 1px) 0 0 / 100% 56px,
    linear-gradient(to right,  rgba(255,255,255,.018) 1px, transparent 1px) 0 0 / 56px 100%;
  mask-image: linear-gradient(to bottom, #000 0%, #000 40%, transparent 95%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 40%, transparent 95%);
}

/* Barre de progression du scroll */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 100;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent), #a9b8ff);
}

/* ===================== NAV ===================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: rgba(10,11,14,.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -.01em;
}
.wordmark-mark {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: .95rem;
  color: var(--text);
}
.wordmark-text { font-size: 1.02rem; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: .94rem;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

/* Sélecteur de langue */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border: 1px solid var(--border-2);
  border-radius: 9px;
  background: var(--panel-2);
}
.lang-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--faint);
  background: transparent;
  border: 0;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: color .2s, background .2s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.is-active {
  color: var(--text);
  background: var(--accent-dim);
}
.lang-sep {
  width: 1px;
  height: 14px;
  background: var(--border-2);
}

/* ===================== HERO ===================== */
.hero {
  padding: clamp(72px, 14vh, 150px) 28px clamp(56px, 9vh, 110px);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}
.kicker::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(110,139,255,.18);
}

.hero-title {
  margin-top: 26px;
  font-size: clamp(2.1rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.03em;
}
.accent { color: var(--accent); }

.hero-sub {
  max-width: 600px;
  margin-top: 26px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* Stats sous le hero */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 64px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: var(--panel);
  padding: 22px 24px;
}
.stat dt {
  font-family: 'JetBrains Mono', monospace;
  font-size: .74rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--faint);
}
.stat dd {
  margin-top: 8px;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -.01em;
}

/* ===================== BOUTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 600;
  font-size: .98rem;
  padding: 13px 24px;
  border-radius: 11px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 16px 30px; font-size: 1.05rem; }

.btn-primary {
  background: var(--accent);
  color: #0a0b0e;
  border-color: var(--accent);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: #88a1ff;
  border-color: #88a1ff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ===================== SECTIONS ===================== */
.section { padding: clamp(56px, 9vh, 100px) 28px; }

.section-head { margin-bottom: 48px; }
.section-index {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: .82rem;
  color: var(--accent);
  letter-spacing: .08em;
}
.section-title {
  margin-top: 12px;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -.02em;
}
.section-lead {
  margin-top: 12px;
  color: var(--muted);
  max-width: 520px;
}

/* ===================== PROJETS ===================== */
.projects {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.project {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.project:hover { border-color: var(--border-2); }

.project-media {
  display: block;
  position: relative;
  overflow: hidden;
  min-height: 260px;
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.project:hover .project-media img { transform: scale(1.04); }

.project-media--placeholder {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(45deg, #0e1015, #0e1015 14px, #11141b 14px, #11141b 28px);
}
.placeholder-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  border: 1px dashed var(--border-2);
  padding: 8px 16px;
  border-radius: 8px;
}

/* Alternance gauche / droite pour le rythme visuel */
.project:nth-child(even) .project-media {
  order: 2;
  border-right: none;
  border-left: 1px solid var(--border);
}
.project:nth-child(even) .project-body { order: 1; }

.project-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.project-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.project-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  color: var(--faint);
  letter-spacing: .04em;
}

.status {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 4px 10px 4px 22px;
  border-radius: 999px;
  position: relative;
}
.status::before {
  content: '';
  position: absolute;
  left: 9px; top: 50%;
  transform: translateY(-50%);
  width: 7px; height: 7px;
  border-radius: 50%;
}
.status-online {
  color: #7df0b0;
  background: rgba(125,240,176,.07);
  border: 1px solid rgba(125,240,176,.22);
}
.status-online::before {
  background: #7df0b0;
  box-shadow: 0 0 0 3px rgba(125,240,176,.18);
  animation: pulse 2.2s ease-in-out infinite;
}
.status-soon {
  color: var(--muted);
  background: rgba(141,147,166,.06);
  border: 1px solid var(--border-2);
}
.status-soon::before { background: var(--faint); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(125,240,176,.18); }
  50%      { box-shadow: 0 0 0 6px rgba(125,240,176,.05); }
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
}
.project-desc {
  color: var(--muted);
  font-size: .98rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-top: 2px;
}
.tags li {
  font-family: 'JetBrains Mono', monospace;
  font-size: .73rem;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  padding: 4px 10px;
  border-radius: 7px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
  font-weight: 600;
  font-size: .98rem;
  color: var(--accent);
  text-decoration: none;
  width: fit-content;
}
.project-link .arrow {
  font-family: 'JetBrains Mono', monospace;
  transition: transform .25s var(--ease);
}
.project-link:hover .arrow { transform: translateX(5px); }
.project-link--disabled {
  color: var(--faint);
  cursor: default;
}

.project--soon { opacity: .82; }

/* ===================== APPROCHE ===================== */
.approach {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.approach-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.approach-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}
.approach-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: .82rem;
  color: var(--accent);
}
.approach-card h3 {
  margin-top: 16px;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.approach-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: .95rem;
}

/* ===================== CONTACT ===================== */
.contact {
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: clamp(48px, 8vw, 84px) 28px;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 120% at 50% 0%, rgba(110,139,255,.12), transparent 70%);
  pointer-events: none;
}
.contact .section-index { position: relative; }
.contact-title {
  position: relative;
  margin-top: 14px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -.02em;
}
.contact-lead {
  position: relative;
  max-width: 460px;
  margin: 16px auto 32px;
  color: var(--muted);
}
.contact .btn { position: relative; }

/* ===================== FOOTER ===================== */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 36px 28px 56px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .92rem;
}
.footer-brand { font-weight: 600; color: var(--text); }
.footer-meta a { color: var(--muted); text-decoration: none; }
.footer-meta a:hover { color: var(--accent); }

/* ===================== RÉVÉLATION AU SCROLL ===================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal[data-delay="1"] { --d: 1; }
.reveal[data-delay="2"] { --d: 2; }
.reveal[data-delay="3"] { --d: 3; }
.reveal[data-delay="4"] { --d: 4; }

/* Décalage en cascade pour les listes d'éléments adjacents */
.projects .project:nth-child(2) { --d: 1; }
.approach-card:nth-child(2) { --d: 1; }
.approach-card:nth-child(3) { --d: 2; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .status-online::before { animation: none; }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 880px) {
  .project { grid-template-columns: 1fr; }
  .project-media { border-right: none; border-bottom: 1px solid var(--border); min-height: 220px; }
  /* Sur mobile, la vignette repasse toujours au-dessus du texte */
  .project:nth-child(even) .project-media { order: 0; border-left: none; border-bottom: 1px solid var(--border); }
  .project:nth-child(even) .project-body { order: 0; }
  .approach { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: .88rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .stats { grid-template-columns: 1fr; }
  .project-body { padding: 26px 22px; }
}

@media (max-width: 480px) {
  .nav-links { display: none; }
  .nav-right { gap: 0; }
}

@media (max-width: 360px) {
  .wordmark-text { display: none; }
}