/* =====================================================
   NOVAIA — TUNNEL SITE
   Premium / Sobre / Apple-like
   ===================================================== */

/* ==================== VARIABLES ==================== */
:root {
  --bg: #0A0A0F;
  --bg-card: #0F0F1A;
  --text: #F0EEF8;
  --text-secondary: #9895A8;
  --text-muted: #6B687A;
  --accent-blue: #1E3A5F;
  --accent-violet: #7C6AFF;
  --border: rgba(240, 238, 248, 0.06);
  --border-hover: rgba(124, 106, 255, 0.2);
  --glow-blue: 0 0 40px rgba(30, 58, 95, 0.3);
  --glow-violet: 0 0 40px rgba(124, 106, 255, 0.15);
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --trans: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-title);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

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

/* ==================== FOCUS ==================== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-violet);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

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

/* ==================== LAYOUT ==================== */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== NAV ==================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 24px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  width: 28px;
  height: 28px;
  display: block;
}

.nav-brand {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(105deg, #888 0%, #aaa 15%, #888 30%, #ccc 45%, #e8e8e8 50%, #ccc 55%, #888 70%, #aaa 85%, #888 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: navMetalSweep 6s ease-in-out infinite;
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}

.nav-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}

.nav-burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-burger.active span:nth-child(2) {
  opacity: 0;
}

.nav-burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color var(--trans);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-lang {
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px 8px !important;
  font-size: 0.7rem !important;
  color: var(--text-muted) !important;
  transition: color var(--trans), border-color var(--trans);
}

.nav-lang:hover {
  color: var(--text) !important;
  border-color: var(--border-hover);
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/1.webp') center center / cover no-repeat;
  opacity: 0.22;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10, 10, 15, 0.4) 0%, var(--bg) 100%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero-logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.hero-logo {
  width: 52px;
  height: auto;
  margin-right: 18px;
  flex-shrink: 0;
}

.hero-name {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  position: relative;
  filter: drop-shadow(0 0 30px rgba(124, 106, 255, 0.08));
}

.hero-name-complement {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-top: 8px;
}

.hero-name-nova {
  background: linear-gradient(
    105deg,
    #2a2a2a 0%,
    #4a4a4a 10%,
    #2a2a2a 22%,
    #7a7a7a 35%,
    #b0b0b0 42%,
    #e0e0e0 46%,
    #b0b0b0 50%,
    #7a7a7a 58%,
    #2a2a2a 70%,
    #4a4a4a 85%,
    #2a2a2a 100%
  );
  background-size: 250% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: metalSweep 8s ease-in-out infinite;
}

.name-ia {
  background: linear-gradient(180deg, #ffffff 0%, #d0d0e8 50%, #a8a0d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(124, 106, 255, 0.25));
}

@keyframes metalSweep {
  0% { background-position: 100% center; }
  50% { background-position: -100% center; }
  100% { background-position: 100% center; }
}

@keyframes navMetalSweep {
  0% { background-position: 100% center; }
  50% { background-position: -100% center; }
  100% { background-position: 100% center; }
}

.hero-founder {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.5vw, 0.95rem);
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-founder strong {
  font-weight: 700;
  color: rgba(240, 238, 248, 0.9);
  -webkit-text-fill-color: rgba(240, 238, 248, 0.9);
  letter-spacing: 0.08em;
}

.hero-tagline {
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.hero-context {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.5vw, 0.9rem);
  color: var(--text-muted);
  margin-bottom: 48px;
  letter-spacing: 0.01em;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--r-md);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), color var(--trans);
}

.btn-primary {
  background: var(--accent-violet);
  color: var(--text);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(124, 106, 255, 0.35);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: var(--accent-violet);
  color: var(--text);
  transform: translateY(-2px);
}

/* ==================== SECTION TITLE ==================== */
.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  color: var(--text);
}

/* ==================== PRODUITS ==================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
  text-decoration: none;
  color: inherit;
}

.project-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-blue);
  transform: translateY(-2px);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 12px;
}

.badge-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.project-header h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.project-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex-grow: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-violet);
  opacity: 0.7;
  transition: opacity var(--trans);
}

.project-card:hover .project-link {
  opacity: 1;
}

/* Subsection titles */
.subsection-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-top: 48px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.subsection-objective {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: -10px;
  margin-bottom: 24px;
  font-style: italic;
  letter-spacing: 0.01em;
}

.subsection-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-muted);
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
  letter-spacing: 0.03em;
}

/* Featured project card (with image) */
.project-card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(15, 15, 26, 1) 0%, rgba(124, 106, 255, 0.04) 100%);
  border: 1px solid rgba(124, 106, 255, 0.12);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.project-card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-violet), transparent);
  opacity: 0.5;
}

.project-card-featured:hover {
  border-color: rgba(124, 106, 255, 0.3);
  box-shadow: 0 8px 40px rgba(124, 106, 255, 0.1), inset 0 0 60px rgba(124, 106, 255, 0.02);
}

.project-card-featured .project-header {
  margin-bottom: 16px;
}

.project-card-featured .project-header h3 {
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.project-card-featured p strong {
  color: var(--accent-violet);
  font-weight: 600;
}

.project-card-featured p + p {
  margin-top: 12px;
}

.project-preview {
  margin-top: 24px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(124, 106, 255, 0.1);
  background: var(--bg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.project-preview img {
  width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
  transition: transform 0.4s ease;
}

.project-card-featured:hover .project-preview img {
  transform: scale(1.015);
}

/* Carousel */
.carousel {
  position: relative;
  margin-top: 24px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(124, 106, 255, 0.1);
  background: var(--bg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.carousel-main {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-main img {
  width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
  transition: opacity 0.35s ease;
}

.carousel .carousel-main img:not(.active) {
  display: none !important;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(8px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans);
  z-index: 2;
}

.carousel-btn:hover {
  background: rgba(124, 106, 255, 0.6);
  border-color: var(--accent-violet);
}

.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

.carousel-caption {
  text-align: center;
  padding: 10px 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(10, 10, 15, 0.5);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.carousel-caption .carousel-counter {
  color: var(--accent-violet);
  font-weight: 600;
  margin-right: 8px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px 14px;
  background: rgba(10, 10, 15, 0.5);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
}

.carousel-dot.active {
  background: var(--accent-violet);
  box-shadow: 0 0 8px rgba(124, 106, 255, 0.5);
  transform: scale(1.3);
}

.carousel-dot:hover:not(.active) {
  background: rgba(255, 255, 255, 0.4);
}

/* Lightbox Gallery */
.lightbox-gallery {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
  padding: 24px;
}

.lightbox-gallery.active {
  display: flex;
  flex-direction: column;
  animation: lbFadeIn 0.25s ease;
}

.lightbox-gallery img {
  max-width: 95%;
  max-height: 85vh;
  border-radius: var(--r-md);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.6);
  cursor: default;
}

.lightbox-gallery .carousel-btn {
  position: fixed;
  top: 50%;
}

.lightbox-gallery .carousel-btn.prev { left: 24px; }
.lightbox-gallery .carousel-btn.next { right: 24px; }

.lightbox-gallery .carousel-caption {
  margin-top: 16px;
  background: transparent;
  font-size: 0.85rem;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: all var(--trans);
}

.lightbox-close:hover {
  background: rgba(255, 70, 70, 0.5);
}

/* Lightbox (legacy single image) */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
  padding: 24px;
}

.lightbox.active {
  display: flex;
  animation: lbFadeIn 0.25s ease;
}

.lightbox img {
  max-width: 95%;
  max-height: 95vh;
  border-radius: var(--r-md);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.6);
}

@keyframes lbFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.btn-discover {
  margin-top: 24px;
  align-self: flex-start;
  background: rgba(124, 106, 255, 0.1);
  color: var(--accent-violet);
  border: 1px solid rgba(124, 106, 255, 0.3);
  padding: 11px 32px;
  font-size: 0.85rem;
  border-radius: 100px;
  cursor: pointer;
  font-family: var(--font-title);
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: all var(--trans);
}

.btn-discover:hover {
  background: var(--accent-violet);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(124, 106, 255, 0.35);
}

/* Badges */
.badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badge-active {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-building {
  background: rgba(124, 106, 255, 0.12);
  color: var(--accent-violet);
  border: 1px solid rgba(124, 106, 255, 0.25);
  box-shadow: 0 0 12px rgba(124, 106, 255, 0.1);
}

/* ==================== INFO TOOLTIP ==================== */
.info-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 10px;
  cursor: help;
  vertical-align: middle;
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-violet);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  font-style: italic;
  color: var(--accent-violet);
  transition: color var(--trans), border-color var(--trans), background var(--trans);
}

.info-tooltip:hover .info-icon {
  color: var(--text);
  background: var(--accent-violet);
  border-color: var(--accent-violet);
}

.tooltip-text {
  display: none;
  position: absolute;
  left: 50%;
  top: calc(100% + 12px);
  transform: translateX(-50%);
  width: 340px;
  padding: 14px 16px;
  background: #1a1a2e;
  border: 1px solid var(--border-hover);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  font-style: normal;
  line-height: 1.6;
  color: var(--text-secondary);
  letter-spacing: 0;
  text-transform: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 10;
}

.info-tooltip:hover .tooltip-text,
.info-tooltip.active .tooltip-text {
  display: block;
}

/* ==================== PARTENAIRES ==================== */
.partners-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.partner-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
  min-width: 320px;
}

.partner-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-blue);
  transform: translateY(-2px);
}

.partner-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: rgba(124, 106, 255, 0.06);
  border: 1px solid rgba(124, 106, 255, 0.12);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.partner-info {
  flex-grow: 1;
}

.partner-info h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.partner-info p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.partner-card .project-link {
  margin-top: 0;
  flex-shrink: 0;
}

/* ==================== PORTFOLIO ==================== */
.portfolio-category {
  margin-bottom: 48px;
}

.portfolio-category:last-child {
  margin-bottom: 0;
}

.portfolio-category-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
  padding-left: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.portfolio-category-title::before {
  content: '';
  width: 3px;
  height: 18px;
  background: var(--accent-violet);
  border-radius: 2px;
}

/* Muted card (marque blanche) */
.portfolio-card-muted {
  border: 1px dashed rgba(240, 238, 248, 0.08);
  background: transparent;
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-card-muted:hover {
  border-color: rgba(240, 238, 248, 0.12);
  box-shadow: none;
  transform: none;
}

.portfolio-info-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.portfolio-muted-count {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 8px;
}

.portfolio-card-muted p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.portfolio-muted-skills {
  font-size: 0.75rem !important;
  color: rgba(240, 238, 248, 0.3) !important;
  margin-top: 12px;
  line-height: 1.5;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.portfolio-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-violet);
  transform: translateY(-3px);
}

.portfolio-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #0F0F1A 0%, #1a1a2e 40%, #16213e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.portfolio-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 106, 255, 0.05) 0%, rgba(30, 58, 95, 0.08) 100%);
  pointer-events: none;
}

.portfolio-thumb-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  opacity: 0.6;
  z-index: 1;
}

.portfolio-card:hover .portfolio-thumb-label {
  opacity: 1;
  color: var(--text-secondary);
}

.portfolio-info {
  padding: 20px;
}

.portfolio-info h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.portfolio-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.portfolio-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tag-saas {
  background: rgba(124, 106, 255, 0.1);
  color: var(--accent-violet);
  border: 1px solid rgba(124, 106, 255, 0.2);
}

.tag-outil {
  background: rgba(30, 58, 95, 0.2);
  color: #5a8abf;
  border: 1px solid rgba(30, 58, 95, 0.3);
}

.tag-landing {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.tag-services {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.tag-site {
  background: rgba(148, 163, 184, 0.1);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.tag-livre {
  background: rgba(236, 72, 153, 0.1);
  color: #ec4899;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.tag-proto {
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.portfolio-learn {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.portfolio-learn-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

/* ==================== VISION ==================== */
.vision-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 640px;
}

.vision-text-secondary {
  margin-top: 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ==================== FONDATEUR ==================== */
.founder-block {
  text-align: center;
}

.founder-block--rich {
  max-width: 680px;
  text-align: left;
}

.founder-header {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 28px;
}

.founder-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-violet);
  flex-shrink: 0;
}

.founder-header .founder-intro {
  margin-bottom: 0;
}

.founder-intro {
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 500;
}

.founder-intro strong {
  color: var(--text);
  font-weight: 700;
}

.founder-paragraph {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.founder-paragraph strong {
  color: var(--text);
  font-weight: 600;
}

.founder-paragraph em {
  color: var(--accent-violet);
  font-style: italic;
  font-weight: 500;
}

.founder-closing {
  font-size: 1rem;
  color: var(--text);
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.founder-cta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 80px;
  margin-bottom: 32px;
  letter-spacing: 0.02em;
  text-align: center;
}

.founder-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.founder-text strong {
  color: var(--text);
  font-weight: 700;
}

.socials-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: border-color var(--trans), color var(--trans), transform var(--trans), box-shadow var(--trans);
}

.social-link:hover {
  border-color: var(--border-hover);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: var(--glow-violet);
}

.social-link svg {
  width: 22px;
  height: 22px;
}

/* ==================== BUILD EN PUBLIC ==================== */
.live-block {
  text-align: left;
  max-width: 560px;
}

.live-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.live-schedule {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-bottom: 28px;
}

.live-links {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
}

.live-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.live-btn svg {
  width: 18px;
  height: 18px;
}

/* ==================== CONTACT ==================== */
.contact-block {
  text-align: center;
}

.contact-email {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text);
  margin-bottom: 12px;
  transition: color var(--trans);
}

.contact-email:hover {
  color: var(--accent-violet);
}

.contact-discord {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  transition: color var(--trans);
}

.contact-discord:hover {
  color: var(--accent-violet);
}

.contact-note {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==================== FOOTER ==================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.footer-logo {
  width: 24px;
  height: 24px;
  opacity: 0.4;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-by {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.footer-yann {
  font-weight: 700;
  background: linear-gradient(105deg, #888 0%, #aaa 15%, #888 30%, #ccc 45%, #e8e8e8 50%, #ccc 55%, #888 70%, #aaa 85%, #888 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: navMetalSweep 6s ease-in-out infinite;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding: 12px 16px;
  }

  .nav-burger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 24px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 0.82rem;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-brand {
    font-size: 0.85rem;
  }

  .section {
    padding: 80px 0;
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-name {
    font-size: 2.8rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .founder-block--rich {
    max-width: 100%;
  }

  .founder-header {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .founder-photo {
    width: 110px;
    height: 110px;
  }

  .founder-intro {
    font-size: 1.05rem;
  }

  .founder-paragraph {
    font-size: 0.9rem;
  }

  .socials-row {
    gap: 16px;
  }

  .nav-brand {
    animation: none;
  }

  .hero-name-nova {
    animation: none;
    background-size: 100% 100%;
  }

  .hero-name {
    filter: none;
  }

  .name-ia {
    filter: none;
  }

  .footer-yann {
    animation: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .project-card {
    padding: 20px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-info {
    padding: 16px;
  }

  .info-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }

  .tooltip-text {
    position: fixed;
    left: 16px;
    right: 16px;
    top: auto;
    bottom: 20px;
    transform: none;
    width: auto;
    min-width: 0;
    max-width: none;
    font-size: 0.82rem;
    padding: 14px 16px;
  }

  .section {
    padding: 64px 0;
  }
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
  .nav-brand,
  .hero-name-nova,
  .footer-yann {
    animation: none;
  }

  .section {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* ==================== PRINT ==================== */
@media print {
  body {
    background: white;
    color: black;
  }
}