:root {
  --teal: #1f7a8c;
  --teal-deep: #155e6c;
  --teal-soft: #d8eef2;
  --ink: #243036;
  --ink-muted: #4d5c64;
  --sand: #e7efe8;
  --foam: #f4f9f8;
  --river: #9ec5c8;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
  --space: clamp(1rem, 3vw, 2rem);
  --max: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background: var(--foam);
  line-height: 1.55;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

/* Atmosphere: two banks of the Loire */
.river-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.river-bg__wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(31, 122, 140, 0.18), transparent 55%),
    linear-gradient(165deg, #eef6f4 0%, #e3eef0 42%, #d9ebe6 72%, #e8f1ea 100%);
}

.river-bg__band {
  position: absolute;
  width: 55vw;
  height: 120vh;
  filter: blur(40px);
  opacity: 0.45;
  animation: drift 18s ease-in-out infinite alternate;
}

.river-bg__band--left {
  left: -18vw;
  top: -10vh;
  background: linear-gradient(200deg, rgba(31, 122, 140, 0.35), rgba(158, 197, 200, 0.15) 60%, transparent);
}

.river-bg__band--right {
  right: -20vw;
  top: 5vh;
  background: linear-gradient(160deg, rgba(21, 94, 108, 0.28), rgba(216, 238, 242, 0.2) 55%, transparent);
  animation-delay: -6s;
  animation-duration: 22s;
}

.river-bg__ripple {
  position: absolute;
  left: 50%;
  bottom: -20%;
  width: 140vw;
  height: 55vh;
  transform: translateX(-50%);
  background:
    radial-gradient(ellipse at center, rgba(255, 255, 255, 0.55), transparent 65%),
    repeating-linear-gradient(
      95deg,
      transparent 0 28px,
      rgba(31, 122, 140, 0.04) 28px 30px
    );
  opacity: 0.7;
  animation: ripple 14s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) rotate(-2deg); }
  to { transform: translate3d(3vw, 2vh, 0) rotate(2deg); }
}

@keyframes ripple {
  from { transform: translateX(-50%) translateY(0) scaleX(1); opacity: 0.55; }
  to { transform: translateX(-50%) translateY(-2vh) scaleX(1.04); opacity: 0.8; }
}

/* Hero — one composition, brand first */
.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: calc(var(--space) * 1.5) var(--space);
}

.hero__inner {
  width: min(100%, 36rem);
  text-align: center;
}

.hero__logo {
  width: min(72vw, 17.5rem);
  margin: 0 auto 1.5rem;
  opacity: 0;
  transform: translateY(1.25rem) scale(0.96);
  animation: rise-in 1s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

.hero__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(2rem, 6vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--teal-deep);
  opacity: 0;
  transform: translateY(1rem);
  animation: rise-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}

.hero__lead {
  margin: 0 auto 1.75rem;
  max-width: 28rem;
  font-size: clamp(1.05rem, 2.4vw, 1.2rem);
  font-weight: 300;
  color: var(--ink-muted);
  opacity: 0;
  transform: translateY(1rem);
  animation: rise-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
}

.hero__cta {
  margin: 0;
  opacity: 0;
  transform: translateY(0.75rem);
  animation: rise-in 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.75s forwards;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.45rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: #fff;
  background: var(--teal);
  border-radius: 0.35rem;
  transition: background 0.25s ease, transform 0.25s ease;
}

.btn:hover {
  background: var(--teal-deep);
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 2px solid var(--teal-deep);
  outline-offset: 3px;
}

/* Équipe — one job: present the team */
.equipe {
  width: min(100% - 2 * var(--space), var(--max));
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 5.5rem) 0 clamp(4rem, 10vh, 6.5rem);
}

.equipe__intro {
  max-width: 34rem;
  margin: 0 auto 2.75rem;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.equipe h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.equipe__text {
  margin: 0;
  color: var(--ink-muted);
  font-weight: 300;
  font-size: 1.05rem;
}

.equipe__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 3vw, 1.75rem);
}

.membre {
  margin: 0;
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--i, 0) * 70ms);
}

.membre.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.membre figure {
  margin: 0;
}

.membre__photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--teal-soft);
}

.membre__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.membre:hover .membre__photo img {
  transform: scale(1.03);
}

.membre figcaption {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.membre__prenom {
  font-size: 1.02rem;
  font-weight: 400;
  color: var(--ink);
}

.membre__nom {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.site-footer {
  padding: 2rem var(--space) 2.5rem;
  text-align: center;
  border-top: 1px solid rgba(31, 122, 140, 0.15);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

@media (min-width: 720px) {
  .equipe__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .river-bg__band,
  .river-bg__ripple,
  .hero__logo,
  .hero__title,
  .hero__lead,
  .hero__cta {
    animation: none !important;
    opacity: 1;
    transform: none;
  }

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

  .membre__photo img {
    transition: none;
  }
}