/* ============================================
   Michael Deroo — Portfolio
   Dark mode "ruby red" — pro + touches geek/gaming
   ============================================ */

:root {
  --bg: #0b0709;
  --bg-soft: #140c0e;
  --surface: #1c1216;
  --surface-2: #28161b;
  --border: rgba(255, 90, 110, 0.14);
  --text: #f7eef0;
  --text-muted: #b6a2a7;

  --accent: #ff2952;       /* rouge rubis — couleur dominante */
  --accent-2: #ff6f87;     /* rose rubis clair, pour glows/texte secondaire */
  --accent-gold: #ffb454;  /* touche "achievement" / geek, utilisée avec parcimonie */

  --gradient: linear-gradient(135deg, #ff2952 0%, #c9123a 55%, #7a0c28 100%);
  --gradient-gold: linear-gradient(135deg, #ff2952 0%, #ffb454 100%);

  --glow-ruby: 0 0 36px rgba(255, 41, 82, 0.45);
  --glow-ruby-soft: 0 14px 40px -16px rgba(255, 41, 82, 0.5);

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-pixel: 'Press Start 2P', monospace;

  --container: 1160px;
  --radius: 18px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* Scrollbar geek touch */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient);
  border-radius: 10px;
}

/* ============ BACKGROUND DECOR ============ */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  z-index: -2;
  pointer-events: none;
}

.bg-glow--one {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -150px;
  background: var(--accent);
}

.bg-glow--two {
  width: 500px;
  height: 500px;
  bottom: 10%;
  left: -200px;
  background: var(--accent-gold);
  opacity: 0.16;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(255, 110, 130, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 110, 130, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%);
}

/* Champ d'étoiles / pixels — clin d'œil gaming, très discret */
.bg-stars {
  position: fixed;
  inset: 0;
  z-index: -3;
  opacity: 0.5;
  background-image:
    radial-gradient(2px 2px at 12% 18%, rgba(255, 255, 255, 0.35) 50%, transparent 51%),
    radial-gradient(2px 2px at 78% 32%, rgba(255, 111, 135, 0.45) 50%, transparent 51%),
    radial-gradient(2px 2px at 45% 68%, rgba(255, 180, 84, 0.4) 50%, transparent 51%),
    radial-gradient(2px 2px at 90% 80%, rgba(255, 255, 255, 0.25) 50%, transparent 51%),
    radial-gradient(2px 2px at 25% 85%, rgba(255, 41, 82, 0.4) 50%, transparent 51%),
    radial-gradient(2px 2px at 60% 12%, rgba(255, 255, 255, 0.3) 50%, transparent 51%);
  background-size: 100% 100%;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 35%, transparent 85%);
  pointer-events: none;
}

/* ============ LAYOUT HELPERS ============ */
.section-head {
  max-width: var(--container);
  margin: 0 auto 48px;
  padding: 0 32px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  text-shadow: 0 0 18px rgba(255, 41, 82, 0.5);
}

.section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
}

.section-sub {
  margin-top: 12px;
  color: var(--text-muted);
  max-width: 540px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-ruby-soft);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  box-shadow: 0 0 0 1px rgba(255, 41, 82, 0.2);
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  backdrop-filter: blur(12px);
  background: rgba(11, 7, 9, 0.6);
  border-bottom: 1px solid var(--border);
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
}

.nav__logo span {
  color: var(--accent);
}

.nav__status {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3ddc84;
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.6);
  animation: statusPing 2.4s ease infinite;
}

@keyframes statusPing {
  0%   { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.55); }
  70%  { box-shadow: 0 0 0 6px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

.nav__links {
  display: flex;
  gap: 32px;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav__links a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav__links a:hover {
  color: var(--accent-2);
}

.nav__cta {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.nav__burger span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: 0.2s ease;
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 80px;
  position: relative;
}

.hero__avatar {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  margin: 0 auto 28px;
  border: 3px solid transparent;
  background-image: linear-gradient(var(--surface), var(--surface)), var(--gradient);
  background-origin: border-box;
  background-clip: content-box, border-box;
  box-shadow: var(--glow-ruby);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hero__avatar img.is-empty {
  display: none;
}

.hero__eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.hero__eyebrow::before {
  content: '> ';
  color: var(--accent);
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.8rem, 9vw, 6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 25%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__role {
  margin-top: 20px;
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  min-height: 2.4em;
}

.hero__role-text {
  position: relative;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__role-text::after {
  content: '\2588';
  font-size: 0.85em;
  color: var(--accent);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
  -webkit-text-fill-color: var(--accent);
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero__tagline {
  margin-top: 28px;
  max-width: 620px;
  color: var(--text-muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

.hero__tagline .hl {
  color: var(--text);
  font-weight: 600;
}

.hero__actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero__socials {
  margin-top: 56px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero__socials a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.hero__socials a:hover {
  color: var(--accent-2);
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.hero__scroll span {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scrollDown 1.6s ease infinite;
}

@keyframes scrollDown {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}

/* Décorations flottantes — clin d'œil geek/gaming, très discret */
.hero__decor {
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.hero__decor svg {
  display: block;
}

.hero__decor--1 {
  top: 18%;
  left: 8%;
  color: var(--accent);
  opacity: 0.16;
  animation: floatY 7s ease-in-out infinite;
}

.hero__decor--2 {
  top: 28%;
  right: 9%;
  color: var(--accent-gold);
  opacity: 0.18;
  animation: floatY 9s ease-in-out infinite reverse;
}

.hero__decor--3 {
  bottom: 18%;
  left: 14%;
  color: var(--accent-2);
  opacity: 0.14;
  animation: floatY 8s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(8deg); }
}

@media (max-width: 700px) {
  .hero__decor { display: none; }
}

/* ============ ABOUT ============ */
.about {
  max-width: var(--container);
  margin: 80px auto;
  padding: 0 32px;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}

.about__text {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.about__skills h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skills-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--surface);
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.skills-list li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255, 41, 82, 0.6);
}

.skills-list li:hover {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: var(--glow-ruby-soft);
  transform: translateY(-2px);
}

/* ============ PROJECTS ============ */
.projects {
  max-width: var(--container);
  margin: 120px auto;
  padding: 0 32px;
}

.filters {
  max-width: var(--container);
  margin: 0 auto 40px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.filter-btn.is-active {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-ruby-soft);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 24px 48px -24px rgba(255, 41, 82, 0.45);
}

.project-card--featured {
  grid-column: span 2;
}

.project-card--featured::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: var(--radius);
  background: var(--gradient-gold);
  opacity: 0.5;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}

.project-card__media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--surface-2);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card__media img {
  transform: scale(1.05);
}

.project-card__category {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(11, 7, 9, 0.65);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 90, 110, 0.25);
  color: var(--accent-2);
  z-index: 3;
}

.project-card__badge {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--gradient-gold);
  color: #1a0b04;
  box-shadow: 0 6px 20px -8px rgba(255, 180, 84, 0.6);
  z-index: 3;
}

.project-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
}

.project-card__desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 0.85rem;
}

.project-card__year {
  color: var(--text-muted);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-2);
  font-weight: 600;
  transition: gap 0.2s ease;
}

.project-card__link::after {
  content: '→';
  transition: transform 0.2s ease;
}

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

/* Add-project placeholder card */
.project-card--add {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  border-style: dashed;
  color: var(--text-muted);
  gap: 12px;
  min-height: 220px;
  cursor: default;
}

.project-card--add .plus {
  font-size: 2rem;
  font-family: var(--font-heading);
  color: var(--accent);
}

/* ============ CONTACT ============ */
.contact {
  max-width: var(--container);
  margin: 120px auto 80px;
  padding: 0 32px;
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.contact__card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--glow-ruby-soft);
}

.contact__label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-family: var(--font-pixel);
}

.contact__value {
  font-weight: 600;
  font-size: 1rem;
  word-break: break-word;
}

/* ============ FOOTER ============ */
.footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.footer__badge {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--accent-2);
}

.footer__top {
  transition: color 0.2s ease;
}

.footer__top:hover {
  color: var(--accent-2);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    background: rgba(11, 7, 9, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav__links.is-open {
    max-height: 240px;
  }

  .nav__links a {
    padding: 16px 0;
    width: 100%;
    text-align: center;
    border-top: 1px solid var(--border);
  }

  .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .nav__burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-active span:nth-child(2) { opacity: 0; }
  .nav__burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card--featured {
    grid-column: span 2;
  }

  .contact__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .projects__grid {
    grid-template-columns: 1fr;
  }

  .project-card--featured {
    grid-column: span 1;
  }

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

  .hero__socials {
    gap: 20px;
  }

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