/* ============================================
   MATEO HENNEBELLE — NEUBRUTALISM TECH
   Thème clair · Performant · Dynamique
   ============================================ */

:root {
  --black: #0E0E0E;
  --white: #F5F5F5;
  --yellow: #FFE600;
  --red: #FF3B30;
  --cyan: #00D4AA;
  --orange: #FF9500;
  --violet: #7C3AED;
  --green: #059669;

  --border-width: 4px;
  --border-width-thin: 3px;
  --shadow-offset: 6px 6px 0;
  --shadow-offset-lg: 8px 8px 0;
  --shadow-color: var(--black);

  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration: 200ms;

  --container-max: 1400px;
  --container-wide: 1600px;
  --gap: clamp(1rem, 3vw, 2.5rem);
  --section-padding: clamp(4rem, 10vw, 8rem);

  --bg: var(--white);
  --fg: var(--black);
  --accent: var(--yellow);
  --accent-alt: var(--red);
  --accent-tertiary: var(--cyan);
}

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

body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  overflow-x: hidden;
  cursor: none;
  padding-top: 56px;
}

@media (max-width: 768px) {
  body { cursor: auto; }
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

/* Lien d'évitement (accessibilité clavier) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gap);
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--black);
  font-weight: 600;
  border: 3px solid var(--black);
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--red);
  outline-offset: 3px;
}

/* ========== ARRIÈRE-PLAN DYNAMIQUE ========== */
.bg-effects {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  contain: strict;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: bg-grid-move 30s linear infinite;
  transform: translateZ(0);
}

@keyframes bg-grid-move {
  0% { transform: translate(0, 0) translateZ(0); }
  100% { transform: translate(60px, 60px) translateZ(0); }
}

.bg-shape {
  position: absolute;
  border: 3px solid;
  background: transparent;
  opacity: 0.15;
  animation: bg-float 20s var(--ease-in-out) infinite;
  transform: translateZ(0);
}

.bg-shape-1 {
  width: 120px;
  height: 120px;
  top: 12%;
  left: 8%;
  border-color: var(--black);
  animation-duration: 18s;
  animation-delay: 0s;
}

.bg-shape-2 {
  width: 80px;
  height: 80px;
  top: 25%;
  right: 15%;
  border-color: var(--yellow);
  opacity: 0.2;
  animation-duration: 22s;
  animation-delay: -3s;
}

.bg-shape-3 {
  width: 160px;
  height: 100px;
  bottom: 35%;
  left: 5%;
  border-color: var(--cyan);
  animation-duration: 25s;
  animation-delay: -6s;
}

.bg-shape-4 {
  width: 60px;
  height: 60px;
  top: 55%;
  right: 20%;
  border-color: var(--red);
  animation-duration: 16s;
  animation-delay: -2s;
}

.bg-shape-5 {
  width: 100px;
  height: 100px;
  bottom: 15%;
  right: 8%;
  border-color: var(--black);
  animation-duration: 20s;
  animation-delay: -8s;
}

.bg-shape-6 {
  width: 70px;
  height: 70px;
  top: 70%;
  left: 25%;
  border-color: var(--orange);
  animation-duration: 19s;
  animation-delay: -4s;
}

.bg-shape-7 {
  width: 90px;
  height: 90px;
  top: 40%;
  left: 50%;
  border-color: var(--yellow);
  opacity: 0.12;
  animation-duration: 24s;
  animation-delay: -10s;
}

.bg-shape-8 {
  width: 50px;
  height: 50px;
  top: 18%;
  right: 35%;
  border-color: var(--cyan);
  animation-duration: 17s;
  animation-delay: -5s;
}

@keyframes bg-float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg) translateZ(0);
  }
  25% {
    transform: translate(15px, -20px) rotate(5deg) translateZ(0);
  }
  50% {
    transform: translate(-10px, 15px) rotate(-3deg) translateZ(0);
  }
  75% {
    transform: translate(20px, 10px) rotate(4deg) translateZ(0);
  }
}

@media (max-width: 768px) {
  .bg-grid { background-size: 40px 40px; animation-duration: 25s; }
  .bg-shape { opacity: 0.1; }
  .bg-shape-1 { width: 80px; height: 80px; }
  .bg-shape-2 { width: 50px; height: 50px; }
  .bg-shape-3 { width: 100px; height: 60px; }
  .bg-shape-4 { width: 40px; height: 40px; }
  .bg-shape-5 { width: 60px; height: 60px; }
  .bg-shape-6 { width: 45px; height: 45px; }
  .bg-shape-7 { width: 55px; height: 55px; }
  .bg-shape-8 { width: 35px; height: 35px; }
}

/* ========== LOADER — Plein écran, style site ========== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
  contain: strict;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-frame {
  width: 100%;
  max-width: 720px;
  border: var(--border-width) solid var(--fg);
  padding: clamp(2rem, 6vw, 4rem);
  background: var(--bg);
  box-shadow: var(--shadow-offset-lg) var(--shadow-color);
  animation: loader-frame-in 0.6s var(--ease-out) forwards;
  transform-origin: center;
}

@keyframes loader-frame-in {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.loader-content {
  text-align: center;
}

.loader-title {
  font-size: clamp(2.5rem, 12vw, 5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem 0;
  overflow: hidden;
}

.loader-title-line {
  display: block;
  transform: translateY(100%);
  opacity: 0;
  animation: loader-title-in 0.7s var(--ease-out) forwards;
}

.loader-title-a { animation-delay: 0.15s; }
.loader-title-b { animation-delay: 0.35s; }

@keyframes loader-title-in {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.loader-label {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.8vw, 0.9rem);
  letter-spacing: 0.25em;
  color: var(--fg);
  margin: 0 0 1.5rem 0;
  opacity: 0;
  animation: loader-label-in 0.4s var(--ease-out) 0.5s forwards;
}

@keyframes loader-label-in {
  to { opacity: 0.9; }
}

.loader-bar-wrap {
  margin-bottom: 1.25rem;
}

.loader-bar {
  width: 100%;
  max-width: 280px;
  height: 10px;
  margin: 0 auto;
  border: 3px solid var(--fg);
  background: rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  animation: loader-fill 1.4s var(--ease-out) 0.6s forwards;
  transform: translateZ(0);
}

@keyframes loader-fill {
  to { width: 100%; }
}

.loader-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.loader-dots span {
  width: 8px;
  height: 8px;
  border: 2px solid var(--fg);
  background: var(--accent);
  animation: loader-dot 0.8s var(--ease-in-out) infinite;
}

.loader-dots span:nth-child(1) { animation-delay: 0s; }
.loader-dots span:nth-child(2) { animation-delay: 0.15s; }
.loader-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes loader-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
}

/* CURSOR */
.cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 3px solid var(--accent);
  pointer-events: none;
  z-index: 9998;
  left: -500px;
  top: -500px;
  transform: translate(-50%, -50%);
  transition: width 0.15s var(--ease), height 0.15s var(--ease), border-color 0.15s, background 0.15s;
  will-change: left, top;
}

.cursor.hover {
  width: 44px;
  height: 44px;
  border-color: var(--red);
  background: rgba(255, 59, 48, 0.1);
}

@media (max-width: 768px) {
  .cursor { display: none !important; }
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: var(--border-width) solid var(--fg);
  transition: box-shadow 0.25s;
  contain: layout style;
}

.header.scrolled {
  box-shadow: 0 4px 0 var(--accent);
}

.nav {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0.75rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  padding: 0.4rem 0;
  border: none;
  border-bottom: 3px solid var(--accent);
  background: transparent;
  transition: color var(--duration), border-color var(--duration), box-shadow var(--duration);
}

.nav-logo:hover {
  color: var(--accent);
  border-bottom-color: var(--red);
  box-shadow: none;
  transform: none;
}

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--duration);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--duration) var(--ease);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after { width: 100%; }
.nav-links a:hover { color: var(--accent); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
  border: var(--border-width-thin) solid var(--fg);
  transition: border-color var(--duration), background var(--duration);
}

.nav-burger:hover {
  border-color: var(--accent);
  background: rgba(255, 230, 0, 0.12);
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--fg);
  transition: transform 0.2s var(--ease), opacity 0.2s;
}

.nav-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  background: var(--bg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Panneau menu centré au milieu de l'écran */
.nav-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem var(--gap);
}

.nav-overlay-panel {
  width: 100%;
  max-width: 320px;
  padding: 2rem var(--gap);
  background: var(--bg);
  border: var(--border-width) solid var(--fg);
  box-shadow: var(--shadow-offset) var(--accent);
  position: relative;
}

.nav-overlay-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
  border: var(--border-width-thin) solid var(--fg);
  background: var(--bg);
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color var(--duration), background var(--duration);
  -webkit-tap-highlight-color: transparent;
  box-shadow: 3px 3px 0 var(--fg);
}

.nav-overlay-close:hover {
  border-color: var(--accent);
  background: rgba(255, 230, 0, 0.12);
  box-shadow: 3px 3px 0 var(--accent);
}

.nav-overlay-close:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--fg);
}

.nav-overlay-close span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--fg);
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

.nav-overlay-close span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-overlay-close span:nth-child(2) { opacity: 0; }
.nav-overlay-close span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-overlay-links {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-overlay-links li {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  border-bottom: var(--border-width-thin) solid var(--fg);
}

.nav-overlay-links li:last-child {
  border-bottom: none;
}

.nav-overlay.is-open .nav-overlay-links li {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay.is-open .nav-overlay-links li:nth-child(1) { transition-delay: 0.06s; }
.nav-overlay.is-open .nav-overlay-links li:nth-child(2) { transition-delay: 0.12s; }
.nav-overlay.is-open .nav-overlay-links li:nth-child(3) { transition-delay: 0.18s; }
.nav-overlay.is-open .nav-overlay-links li:nth-child(4) { transition-delay: 0.24s; }
.nav-overlay.is-open .nav-overlay-links li:nth-child(5) { transition-delay: 0.3s; }

.nav-overlay-links a {
  display: block;
  padding: 1rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  position: relative;
  transition: color var(--duration), background var(--duration);
}

.nav-overlay-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: width var(--duration) var(--ease);
}

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

.nav-overlay-links a:hover::after,
.nav-overlay-links a:focus-visible::after {
  width: 100%;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-overlay-links a {
    padding: 0.75rem 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--section-padding) var(--gap);
  position: relative;
  overflow: hidden;
  contain: layout style;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 50%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(255, 230, 0, 0.06) 0%, transparent 55%);
  pointer-events: none;
  animation: hero-glow 8s var(--ease-in-out) infinite;
  transform: translateZ(0);
}

@keyframes hero-glow {
  0%, 100% { opacity: 1; transform: translateZ(0) scale(1); }
  50% { opacity: 0.8; transform: translateZ(0) scale(1.05); }
}

.hero-content {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.5vw, 0.85rem);
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(3rem, 12vw, 8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.hero-title .line { display: block; overflow: hidden; }

.hero-title .line span {
  display: inline-block;
  transform: translateY(100%);
  transition: transform 0.7s var(--ease-out);
  transform-origin: left bottom;
}

.hero.revealed .hero-title .line span {
  transform: translateY(0);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.8vw, 1rem);
  letter-spacing: 0.2em;
  color: var(--fg);
  opacity: 0.9;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-deco {
  width: 60px;
  height: 60px;
  border: 4px solid var(--accent);
  margin-top: 0.5rem;
  transform: rotate(-8deg);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration);
}

.hero-deco:hover {
  transform: rotate(0deg) translate(4px, 4px);
  box-shadow: 6px 6px 0 var(--shadow-color);
}

.btn-hero-outline {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  padding: 1.1rem 2.2rem;
  background: transparent;
  border: var(--border-width) solid var(--fg);
  color: var(--fg);
}

.btn-hero-outline:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 1rem 2rem;
  border: var(--border-width) solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration), background var(--duration), color var(--duration), border-color var(--duration);
}

.btn:hover {
  transform: translate(5px, 5px);
  box-shadow: var(--shadow-offset) var(--shadow-color);
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--shadow-color);
}

.btn-hero {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  padding: 1.1rem 2.2rem;
  position: relative;
  margin: 0;
}

.btn-hero::before {
  content: '';
  position: absolute;
  inset: -2px;
  border: 2px solid var(--accent);
  opacity: 0;
  transition: opacity var(--duration);
}

.btn-hero:hover::before { opacity: 0.4; }

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(20px);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal[data-delay="1"].revealed { transition-delay: 0.05s; }
.reveal[data-delay="2"].revealed { transition-delay: 0.1s; }
.reveal[data-delay="3"].revealed { transition-delay: 0.15s; }
.reveal[data-delay="4"].revealed { transition-delay: 0.2s; }
.reveal[data-delay="5"].revealed { transition-delay: 0.25s; }
.reveal[data-delay="6"].revealed { transition-delay: 0.3s; }
.reveal[data-delay="7"].revealed { transition-delay: 0.35s; }
.reveal[data-delay="8"].revealed { transition-delay: 0.4s; }
.reveal[data-delay="9"].revealed { transition-delay: 0.45s; }
.reveal[data-delay="10"].revealed { transition-delay: 0.5s; }

/* ABOUT */
.about {
  padding: var(--section-padding) var(--gap);
  background: var(--black);
  color: var(--white);
  position: relative;
  contain: layout style;
}

.about::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--yellow);
  transform: scaleX(0) translateZ(0);
  transform-origin: left;
  transition: transform 0.7s var(--ease-out);
}

.about.revealed::after {
  transform: scaleX(1) translateZ(0);
}

.about-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about-title .highlight { color: var(--yellow); }

.about-p {
  margin-bottom: 1rem;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  max-width: 52ch;
  opacity: 0.92;
}

.about-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.stack-block {
  padding: 0.9rem 1rem;
  border: var(--border-width-thin) solid var(--white);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  background: transparent;
  color: var(--white);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration), background var(--duration), color var(--duration);
}

.stack-block:hover {
  transform: translate(4px, 4px);
  box-shadow: 5px 5px 0 var(--yellow);
  background: var(--yellow);
  color: var(--black);
}

.stack-block:nth-child(odd):not(:first-child):hover {
  background: var(--cyan);
  color: var(--black);
}

.stack-block:nth-child(4n):hover {
  background: var(--orange);
  color: var(--black);
}

.stack-block:first-child {
  grid-column: 1 / -1;
  background: var(--yellow);
  color: var(--black);
  text-align: center;
  border-color: var(--yellow);
}

.stack-block:first-child:hover {
  background: var(--white);
  box-shadow: 5px 5px 0 var(--yellow);
}

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

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

/* PROJECTS */
.projects {
  padding: var(--section-padding) var(--gap);
  position: relative;
  contain: layout style;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 2.5rem;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
}

.projects-grid {
  max-width: var(--container-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.project-card {
  padding: clamp(1.5rem, 3vw, 2rem);
  border: var(--border-width) solid var(--fg);
  background: var(--bg);
  position: relative;
  overflow: hidden;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s, color 0.22s;
  contain: layout style paint;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent);
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.22s, transform 0.22s var(--ease);
  pointer-events: none;
}

.project-card:hover {
  transform: translate(6px, 6px);
  box-shadow: var(--shadow-offset-lg) var(--shadow-color);
  background: var(--accent);
  color: var(--black);
}

.project-card:hover::before {
  opacity: 0.5;
  transform: scale(1);
}

.project-card:nth-child(2):hover { background: var(--cyan); }
.project-card:nth-child(3):hover { background: var(--orange); }
.project-card:nth-child(4):hover { background: var(--red); color: var(--white); }
.project-card:nth-child(5):hover { background: var(--violet); }
.project-card:nth-child(6):hover { background: var(--green); }

.project-card:hover .project-stack,
.project-card:hover .btn-project {
  border-color: var(--black);
  color: var(--black);
}

.project-card:nth-child(4):hover .project-stack {
  color: var(--white);
}

.project-card:nth-child(4):hover .btn-project {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}

.project-card:nth-child(4):hover .btn-project:hover {
  background: var(--white);
  color: var(--red);
}

.project-card:nth-child(5):hover .project-stack,
.project-card:nth-child(5):hover .btn-project {
  border-color: var(--white);
  color: var(--white);
}

.project-card:nth-child(5):hover .btn-project {
  background: transparent;
}

.project-card:nth-child(5):hover .btn-project:hover {
  background: var(--white);
  color: var(--violet);
}

.project-card:nth-child(6):hover .project-stack,
.project-card:nth-child(6):hover .btn-project {
  border-color: var(--white);
  color: var(--white);
}

.project-card:nth-child(6):hover .btn-project {
  background: transparent;
}

.project-card:nth-child(6):hover .btn-project:hover {
  background: var(--white);
  color: var(--green);
}

.project-card:hover .btn-project:hover {
  background: var(--black);
  color: var(--accent);
}

.project-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.22s;
}

.project-card:hover .project-num { color: var(--red); }
.project-card:nth-child(2):hover .project-num,
.project-card:nth-child(3):hover .project-num { color: var(--black); }
.project-card:nth-child(5):hover .project-num { color: var(--white); }
.project-card:nth-child(6):hover .project-num { color: var(--white); }
.project-card:nth-child(4):hover .project-num { color: var(--white); }

.project-name {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  margin-bottom: 0.35rem;
  transition: transform 0.22s var(--ease);
}

.project-card:hover .project-name {
  transform: translateX(4px);
}

.project-stack {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  opacity: 0.88;
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.btn-project {
  font-size: 0.85rem;
  padding: 0.65rem 1.25rem;
}

@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* SKILLS */
.skills {
  padding: var(--section-padding) var(--gap);
  background: var(--bg);
  color: var(--fg);
  position: relative;
  contain: layout style;
}

.skills-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.skill-block {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: var(--border-width) solid var(--fg);
  font-weight: 700;
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  letter-spacing: 0.06em;
  text-align: center;
  background: var(--bg);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s, color 0.2s;
  contain: layout style paint;
}

.skill-block:hover {
  transform: translate(4px, 4px);
  box-shadow: 5px 5px 0 var(--fg);
  background: var(--yellow);
  color: var(--black);
}

.skill-block:nth-child(2):hover { background: var(--cyan); }
.skill-block:nth-child(3):hover { background: var(--red); color: var(--white); }
.skill-block:nth-child(4):hover { background: var(--orange); }
.skill-block:nth-child(5):hover { background: var(--cyan); }
.skill-block:nth-child(6):hover { background: var(--red); color: var(--white); }
.skill-block:nth-child(7):hover { background: var(--orange); }
.skill-block:nth-child(8):hover { background: var(--cyan); }
.skill-block:nth-child(9):hover { background: var(--red); color: var(--white); }

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

@media (max-width: 380px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* PHILOSOPHY */
.philosophy {
  padding: var(--section-padding) var(--gap);
  background: var(--black);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
  contain: layout style;
}

.philosophy::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 230, 0, 0.04) 50%, transparent 100%);
  pointer-events: none;
}

.philosophy-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.philosophy-title .phrase {
  display: block;
  overflow: hidden;
  margin-bottom: 0.12em;
}

.philosophy-title .phrase span {
  display: inline-block;
  transform: translateX(-16px);
  opacity: 0;
  transition: transform 0.6s var(--ease-out), opacity 0.6s var(--ease-out);
}

.philosophy-title .phrase.revealed span {
  transform: translateX(0);
  opacity: 1;
}

.philosophy-title .phrase:nth-child(1) span { transition-delay: 0.08s; }
.philosophy-title .phrase:nth-child(2) span { transition-delay: 0.2s; }
.philosophy-title .phrase:nth-child(3) span { transition-delay: 0.32s; }

/* CONTACT */
.contact {
  padding: var(--section-padding) var(--gap);
  contain: layout style;
}

.contact-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.contact-email {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  border-bottom: 3px solid var(--accent);
  padding-bottom: 0.25rem;
  transition: color var(--duration), border-color var(--duration), transform var(--duration);
}

.contact-email:hover {
  color: var(--accent);
  border-color: var(--red);
  transform: scale(1.02);
}

.contact-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-contact {
  font-size: 0.9rem;
  padding: 0.85rem 1.5rem;
}

.btn-contact:first-child:hover {
  background: var(--cyan);
  color: var(--black);
  border-color: var(--cyan);
}

.btn-contact:last-child:hover {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

/* FOOTER */
.footer {
  padding: 1rem var(--gap);
  border-top: var(--border-width-thin) solid var(--fg);
  text-align: center;
}

.footer p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

.footer-legal {
  margin-top: 0.5rem;
}

.footer-legal a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-legal a:hover {
  color: var(--accent);
}

/* Pages légales (confidentialité, mentions légales) */
.legal-page .legal-main {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--section-padding) var(--gap);
}

.legal-content {
  background: var(--bg);
}

.legal-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}

.legal-toc {
  margin-bottom: 2rem;
  padding: 1rem;
  border: var(--border-width-thin) solid var(--fg);
}

.legal-toc h2 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.legal-toc ul {
  list-style: none;
}

.legal-toc li {
  margin-bottom: 0.35rem;
}

.legal-toc a:hover {
  color: var(--accent);
}

.legal-content section {
  margin-bottom: 2rem;
}

.legal-content h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-top: 0.5rem;
}

.legal-content p {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.legal-content ul {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.35rem;
}

.legal-content a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--accent);
}

/* RESPONSIVE */
@media (min-width: 1600px) {
  .hero-title { max-width: 900px; }
  .about-title { max-width: 22ch; }
}

@media (max-width: 320px) {
  .btn-hero { width: 100%; text-align: center; }
  .contact-links { flex-direction: column; width: 100%; }
  .btn-contact { width: 100%; text-align: center; }
}

.project-card.reveal { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.skill-block.reveal { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }

/* Réduction des animations si préférence utilisateur */
@media (prefers-reduced-motion: reduce) {
  .bg-grid,
  .bg-shape,
  .loader-frame,
  .loader-bar-fill,
  .loader-dots span,
  .hero-title .line span {
    animation: none !important;
  }
  .bg-grid { transform: translateZ(0); }
  .reveal.revealed { transition-duration: 0.01s; }
  .nav-overlay.is-open .nav-overlay-links li { transition-duration: 0.01s; transition-delay: 0s; }
}