:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #050a05;
  --surface-alt: #0a120a;
  --text: #f0fdf4;
  --muted: #86efac;
  --accent: #16a34a;
  --accent-alt: #22c55e;
  --accent-strong: #15803d;
  --border: rgba(34, 197, 94, 0.20);
  --radius: 24px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #000000;
  color: var(--text);
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.72);
  border-bottom: 1px solid rgba(34, 197, 94, 0.15);
  transition: backdrop-filter 300ms ease, background 300ms ease, border-color 300ms ease;
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.22), rgba(34, 197, 94, 0.15), rgba(21, 128, 61, 0.15), rgba(22, 163, 74, 0.14));
  opacity: 0.95;
  background-size: 450% 450%;
  animation: pinkPurpleShift 16s ease infinite;
  pointer-events: none;
  z-index: -1;
}

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

.site-header.scrolled {
  backdrop-filter: blur(18px);
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid rgba(34, 197, 94, 0.25);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.2);
}

.site-header.scrolled::before {
  animation: none;
  background-position: 50% 50%;
}


.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  transition: padding 300ms ease;
  position: relative;
  z-index: 1;
}

.site-header.scrolled .header-inner {
  padding: 0.75rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand:hover {
  transform: scale(1.05);
}

.brand-logo {
  display: block;
  max-height: 128px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 300ms ease;
}

.brand:hover .brand-logo {
  filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(34, 197, 94, 0.45));
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  transition: gap 300ms ease;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms ease, text-shadow 200ms ease;
  position: relative;
  padding-bottom: 4px;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  transition: width 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.site-nav a:hover {
  color: var(--text);
  text-shadow: 0 0 16px rgba(34, 197, 94, 0.32);
}

.site-nav a:hover::after {
  width: 100%;
}

.social-links {
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: gap 300ms ease;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.12);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: background 250ms cubic-bezier(0.34, 1.56, 0.64, 1), color 250ms ease, transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 250ms ease;
  border: 1px solid rgba(22, 163, 74, 0.18);
}

.social-links a.instagram-link .social-icon {
  filter: invert(48%) sepia(79%) saturate(420%) hue-rotate(86deg) brightness(96%) contrast(91%);
}

.social-links a:hover {
  background: rgba(34, 197, 94, 0.22);
  color: var(--accent-alt);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.24);
  border-color: rgba(34, 197, 94, 0.35);
}

.social-links a.instagram-link:hover .social-icon {
  filter: invert(61%) sepia(62%) saturate(488%) hue-rotate(86deg) brightness(99%) contrast(87%);
}

.social-icon {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
  transition: filter 250ms ease;
}

.social-links a:hover .social-icon {
  filter: drop-shadow(0 0 4px rgba(34, 197, 94, 0.45));
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.hero-copy h1 {
  font-size: clamp(2.7rem, 4vw, 4.5rem);
  line-height: 1.02;
  margin: 0;
}

.hero-copy p {
  max-width: 55ch;
  color: var(--muted);
  margin-top: 1.5rem;
  line-height: 1.85;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 2rem;
}

.home-page .btn,
.home-page .btn-primary,
.home-page .btn-secondary,
.home-page .btn-animated {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
  padding: 1.35rem 2.2rem;
  min-height: 4.2rem;
  min-width: 180px;
  font-size: 1.1rem;
  line-height: 1.2;
}

.home-page .btn::before,
.home-page .btn-primary::before,
.home-page .btn-secondary::before,
.home-page .btn-animated::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(22, 163, 74, 0.92);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 320ms ease;
  z-index: 0;
  pointer-events: none;
}

.home-page .btn:hover,
.home-page .btn-primary:hover,
.home-page .btn-secondary:hover,
.home-page .btn-animated:hover {
  color: #fff;
}

.home-page .btn span,
.home-page .btn-primary span,
.home-page .btn-secondary span,
.home-page .btn-animated span {
  position: relative;
  z-index: 1;
}

.home-page .btn:hover::before,
.home-page .btn-primary:hover::before,
.home-page .btn-secondary:hover::before,
.home-page .btn-animated:hover::before {
  transform: scaleX(1);
}

.btn,
.btn-primary,
.btn-secondary,
.btn-animated {
  position: relative;
  border-radius: 999px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, color 220ms ease;
}

.btn:hover,
.btn-primary:hover,
.btn-secondary:hover,
.btn-animated:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #fff;
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 18px 38px rgba(34, 197, 94, 0.35);
}

.btn .btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-spinner,
.btn-check {
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%) scale(0.8);
  opacity: 0;
  transition: opacity 180ms ease, transform 180ms ease;
}

.btn-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
}

.btn.loading .btn-spinner {
  opacity: 1;
  transform: translateY(-50%) scale(1);
  animation: spin 0.9s linear infinite;
}

.btn.loading .btn-text {
  opacity: 0.65;
}

.btn.success .btn-check {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

@keyframes spin {
  to {
    transform: translateY(-50%) rotate(360deg) scale(1);
  }
}

.btn-secondary {
  border: 1px solid rgba(22, 163, 74, 0.35);
  color: var(--text);
}

.hero-panel {
  display: grid;
  place-items: center;
}

.profile-card {
  width: 100%;
  padding: 2rem;
  background: linear-gradient(180deg, rgba(8, 15, 8, 0.88), rgba(12, 22, 12, 0.82));
  border: 1px solid rgba(22, 163, 74, 0.18);
  border-radius: var(--radius);
  box-shadow: 0 28px 68px rgba(0, 0, 0, 0.22), 0 0 24px rgba(22, 163, 74, 0.08);
  backdrop-filter: blur(18px);
  transition: transform 280ms ease, box-shadow 280ms ease, border-color 280ms ease, background 280ms ease;
}

.profile-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.28), 0 0 32px rgba(34, 197, 94, 0.20);
  border-color: rgba(34, 197, 94, 0.35);
}

.profile-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 1.25rem;
  object-fit: cover;
  margin-bottom: 1.5rem;
}

.profile-card h2 {
  margin: 0 0 0.5rem;
}

.profile-card p {
  margin: 0;
  line-height: 1.75;
  color: var(--muted);
}

.profile-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  color: var(--accent);
}

.section-intro,
.service-section,
.work-section,
.contact-section {
  padding: 4rem 0;
}

.section-label {
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-size: 0.78rem;
  margin-bottom: 1rem;
}

.section-intro h2,
.section-header h2,
.contact-section h2 {
  font-size: clamp(2rem, 2.6vw, 3rem);
  margin: 0;
}

.section-intro p,
.section-header p,
.contact-section p {
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.8;
  margin-top: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card,
.project-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(18, 16, 38, 0.96), rgba(15, 23, 42, 0.78));
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.18), 0 0 18px rgba(99, 102, 241, 0.08);
  backdrop-filter: blur(18px);
  transition: transform 280ms ease, box-shadow 280ms ease, border-color 280ms ease, background 280ms ease;
}

.project-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.service-card:hover,
.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 65px rgba(0, 0, 0, 0.22), 0 0 26px rgba(34, 197, 94, 0.20);
  border-color: rgba(34, 197, 94, 0.35);
}

/* Effet de reflet brillant au survol */
.service-card::after,
.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.25), transparent);
  transform: skewX(-20deg);
}

.service-card:hover::after,
.project-card:hover::after {
  animation: shine 0.8s ease-out forwards;
}

@keyframes shine {
  100% { left: 200%; }
}

.service-card h3,
.project-card h3 {
  margin-top: 0;
}

.service-card p,
.project-card p {
  color: var(--muted);
  line-height: 1.75;
  margin-top: 0.85rem;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.projects-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.projects-action {
  display: flex;
  justify-content: center;
  padding-top: 1.5rem;
}

.btn-animated {
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.15), rgba(34, 197, 94, 0.15));
  color: var(--text);
  border: 1px solid rgba(22, 163, 74, 0.45);
  box-shadow: 0 0 0 rgba(22, 163, 74, 0);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, color 220ms ease;
}

.btn-animated:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 36px rgba(34, 197, 94, 0.25);
  border-color: rgba(34, 197, 94, 0.5);
}

.project-thumb {
  height: 190px;
  border-radius: 1.5rem;
  margin-bottom: 1rem;
  background-size: cover;
  background-position: center;
}

.project-thumb-1 {
  background-image: url("assets/image fruggies.webp");
  background-color: #2563eb;
}

.project-thumb-2 {
  background-image: url("assets/brasserie.jpg");
  background-color: #64748b;
}

.project-thumb-3 {
  background-image: url("assets/NIM.jpg");
  background-color: #7c3aed;
}

.project-thumb-4 {
  background-image: url("assets/yellowstraps.jpg");
  background-color: #991b1b;
}

.project-thumb-5 {
  background-image: url("assets/ballons-ailes.jpg");
  background-color: #1a1a1a;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.18), 0 0 20px rgba(22, 163, 74, 0.08);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.92), rgba(12, 18, 12, 0.78));
  border: 1px solid rgba(22, 163, 74, 0.16);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.18), 0 0 20px rgba(22, 163, 74, 0.08);
  backdrop-filter: blur(18px);
}

.contact-form label {
  display: grid;
  gap: 0.6rem;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(22, 163, 74, 0.18);
  border-radius: 12px;
  padding: 0.95rem 1rem;
  background: rgba(8, 12, 7, 0.95);
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(34, 197, 94, 0.5);
}

.form-status {
  color: var(--accent);
  font-size: 0.95rem;
  min-height: 1.3rem;
  margin-top: 0.35rem;
  line-height: 1.5;
}

.form-status.error {
  color: var(--accent-strong);
}

.form-status.success-msg {
  color: var(--accent);
}

.site-footer {
  padding: 2rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-grid,
  .contact-grid,
  .about-grid,
  .grid-3,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.5rem;
  }
}

@media (max-width: 680px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
    display: none;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
  }

  .site-nav.active {
    display: flex;
  }

  .footer-inner {
    flex-direction: column;
  }
}