:root {
  --sand: #D4B896;
  --wood: #8B6F47;
  --ocean: #1E6B8C;
  --off-white: #F8F5F0;
  --ink: #2B2722;
  --ink-soft: rgba(43, 39, 34, 0.7);

  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Lato', -apple-system, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
  font-weight: 300;
  line-height: 1.6;
}

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

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

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wood);
  font-weight: 700;
  margin-bottom: 16px;
}
.eyebrow--center { display: block; text-align: center; }
.eyebrow--light { color: var(--sand); }

.section { padding: 96px 0; }
.section__title {
  font-size: clamp(28px, 4vw, 42px);
  text-align: left;
  max-width: 720px;
  line-height: 1.2;
}
.section__title--light { color: var(--off-white); }
.pour-qui .section__title,
.methode .section__title { margin: 0 auto 20px; text-align: center; }
.section__lead {
  max-width: 600px;
  margin: 0 auto 64px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 18px;
}

/* ---------- Scroll reveal system ---------- */
/* Base: gentle fade + slide-up, ease-out, ~0.6s, runs once */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}
/* Directional variants (Qui est Luca) */
.reveal--left  { transform: translateX(-32px); }
.reveal--right { transform: translateX(32px); }
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal.is-visible { will-change: auto; }

/* Hero load sequence: eyebrow → H1 (word by word) → subheadline → CTA */
.hero__content > * {
  opacity: 0;
  transform: translateY(24px);
  animation: heroIn 0.6s var(--ease) forwards;
}
.hero__content > *:nth-child(1) { animation-delay: 0.15s; }
.hero__content > *:nth-child(2) { animation-delay: 0.30s; }
.hero__content > *:nth-child(3) { animation-delay: 0.90s; }
.hero__content > *:nth-child(4) { animation-delay: 1.15s; }
@keyframes heroIn {
  to { opacity: 1; transform: none; }
}
/* When JS splits the H1 into words, the H1 itself shows and its words cascade */
.hero h1.is-split {
  opacity: 1;
  transform: none;
  animation: none;
}
.hero h1 .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(24px);
  animation: heroIn 0.6s var(--ease) forwards;
}

/* Respect users who prefer reduced motion: show everything, no movement */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero__content > *,
  .hero h1 .word {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
  .hero__bg img {
    animation: none !important;
  }
  .btn--primary::after {
    animation: none !important;
    display: none;
  }
  .pillar,
  .pillar__media,
  .pillar__media img,
  .profile-card,
  .lead-form input,
  .btn {
    transition: none !important;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 28px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: transform 500ms var(--ease), box-shadow 500ms var(--ease), background 400ms var(--ease);
}
.btn--primary {
  position: relative;
  overflow: hidden;
  background: var(--ocean);
  color: var(--off-white);
  box-shadow: 0 8px 24px rgba(30, 107, 140, 0.28);
}
/* Gentle shine sweep every few seconds (on-brand ocean button) */
.btn--primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(248, 245, 240, 0.28) 50%,
    transparent 100%
  );
  transform: skewX(-20deg);
  pointer-events: none;
  animation: shimmer 5s ease-in-out infinite;
}
.btn--primary > * { position: relative; z-index: 1; }
@keyframes shimmer {
  0%, 65% { left: -150%; }
  85%, 100% { left: 160%; }
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(30, 107, 140, 0.36);
}
.btn--primary:active { transform: translateY(0) scale(0.98); }
.btn__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(248, 245, 240, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 400ms var(--ease);
}
.btn:hover .btn__icon { transform: translateY(2px); }
.btn--full { width: 100%; justify-content: center; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 24px;
  transition: background 400ms var(--ease), backdrop-filter 400ms var(--ease);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(248, 245, 240, 0.0);
  border-radius: 999px;
  padding: 10px 18px;
  transition: background 400ms var(--ease), box-shadow 400ms var(--ease);
}
.nav.is-scrolled .nav__inner {
  background: rgba(248, 245, 240, 0.85);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(43, 39, 34, 0.08);
}
.nav__logo {
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  color: var(--off-white);
  transition: color 400ms var(--ease);
}
.nav.is-scrolled .nav__logo { color: var(--ocean); }
.nav__links {
  display: none;
  gap: 32px;
}
.nav__links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--off-white);
  transition: color 400ms var(--ease), opacity 300ms;
  opacity: 0.9;
}
.nav.is-scrolled .nav__links a { color: var(--ink); }
.nav__links a:hover { opacity: 1; color: var(--ocean); }
.nav__cta { display: none; }
.nav__burger {
  width: 36px; height: 36px;
  border: none;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav.is-scrolled .nav__burger { background: rgba(43,39,34,0.06); }
.nav__burger span {
  display: block;
  width: 16px; height: 2px;
  background: var(--off-white);
  border-radius: 2px;
  transition: transform 400ms var(--ease), opacity 300ms, background 300ms;
}
.nav.is-scrolled .nav__burger span { background: var(--ink); }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  position: fixed;
  inset: 0;
  background: rgba(43, 39, 34, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 450ms var(--ease);
  z-index: 99;
}
.nav__mobile.is-open { opacity: 1; pointer-events: auto; }
.nav__mobile a {
  font-family: var(--font-head);
  font-size: 28px;
  color: var(--off-white);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
}
.nav__mobile.is-open a {
  opacity: 1;
  transform: translateY(0);
}
.nav__mobile.is-open a:nth-child(1) { transition-delay: 80ms; }
.nav__mobile.is-open a:nth-child(2) { transition-delay: 140ms; }
.nav__mobile.is-open a:nth-child(3) { transition-delay: 200ms; }
.nav__mobile.is-open a:nth-child(4) { transition-delay: 260ms; }
.nav__mobile.is-open a:nth-child(5) { transition-delay: 320ms; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  /* extra vertical headroom so the scroll parallax never reveals a gap
     (the .hero wrapper has overflow:hidden, so the bleed is clipped) */
  top: -8%;
  bottom: -8%;
  left: 0;
  right: 0;
  z-index: 0;
  will-change: transform;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  transform: scale(1.0);
  animation: kenBurns 20s ease-in-out infinite alternate;
}
@keyframes kenBurns {
  from { transform: scale(1.0); }
  to   { transform: scale(1.06); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(43,39,34,0.50) 0%,
    rgba(43,39,34,0.55) 28%,
    rgba(43,39,34,0.62) 50%,
    rgba(43,39,34,0.50) 72%,
    rgba(43,39,34,0.7) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  color: var(--off-white);
}
.hero__content .eyebrow {
  color: var(--off-white);
  text-shadow: 0 1px 8px rgba(43, 39, 34, 0.55);
}
.hero h1 {
  font-size: clamp(34px, 6.5vw, 64px);
  line-height: 1.12;
  margin-bottom: 22px;
}
.hero__subhead {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(248,245,240,0.92);
  max-width: 560px;
  margin: 0 auto 36px;
  font-weight: 300;
}
.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background: rgba(248,245,240,0.4);
  z-index: 1;
}
.hero__scroll-hint span {
  position: absolute;
  top: 0; left: -2px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--off-white);
  animation: scrollDot 2.2s var(--ease) infinite;
}
@keyframes scrollDot {
  0% { top: 0; opacity: 1; }
  90% { opacity: 0; }
  100% { top: 100%; opacity: 0; }
}

/* ---------- Pour qui ---------- */
.pour-qui {
  background: linear-gradient(170deg, var(--off-white) 0%, rgba(212, 184, 150, 0.28) 100%);
}
.profiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-top: 64px;
}
.profile-card {
  padding: 8px 12px 0;
  position: relative;
  transition: transform 500ms var(--ease);
}
.profile-card:hover { transform: translateY(-4px); }
.profile-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  color: var(--ocean);
  background: var(--off-white);
  background-image: linear-gradient(rgba(212, 184, 150, 0.18), rgba(212, 184, 150, 0.18));
  border: 1px solid rgba(212, 184, 150, 0.35);
  margin-bottom: 24px;
  transition: transform 500ms var(--ease);
}
.profile-card__icon svg { width: 30px; height: 30px; }
.profile-card:hover .profile-card__icon { transform: translateY(-2px); }
.profile-card__num {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--wood);
  font-weight: 700;
  letter-spacing: 0.22em;
  opacity: 0.65;
}
.profile-card h3 {
  font-family: var(--font-head);
  font-size: 24px;
  margin: 8px 0 14px;
  color: var(--ink);
}
.profile-card p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- Methode ---------- */
.methode { background: var(--off-white); }
.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.pillar {
  position: relative;
  transition: transform 0.6s var(--ease);
}
.pillar:hover { transform: translateY(-6px); }
.pillar__media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
  margin-bottom: 20px;
  transition: box-shadow 0.6s var(--ease);
}
.pillar:hover .pillar__media { box-shadow: 0 18px 40px rgba(43, 39, 34, 0.16); }
.pillar__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 800ms var(--ease);
}
.pillar:hover .pillar__media img { transform: scale(1.04); }

/* Per-image color grade — harmonise tone/exposure across the 4 photos */
.pillar__img--mobilite     { filter: brightness(1.02) contrast(1.02) saturate(0.90) sepia(0.10); }
.pillar__img--cardio       { filter: brightness(1.25) contrast(0.97) saturate(0.85) sepia(0.10); }
.pillar__img--renforcement { filter: brightness(0.97) contrast(1.03) saturate(0.78) sepia(0.16) hue-rotate(-8deg); }
.pillar__img--recuperation { filter: brightness(1.08) contrast(1.00) saturate(0.70) sepia(0.24) hue-rotate(-12deg); }

/* Shared warm unifying overlay — sand wash to tie the four photos together */
.pillar__grade {
  position: absolute;
  inset: 0;
  background: var(--sand);
  opacity: 0.12;
  mix-blend-mode: soft-light;
  pointer-events: none;
}
.pillar__num {
  font-family: var(--font-head);
  color: var(--ocean);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.pillar h3 {
  font-size: 22px;
  margin: 10px 0 8px;
}
.pillar p {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0;
}

/* ---------- Luca ---------- */
/* overflow-x clip so the left/right slide-in never creates horizontal scroll */
.luca { background: #fff; overflow-x: clip; }
.luca__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
.luca__media {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 4/5;
}
.luca__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
/* Very light grade to match the warm palette — photo is already warm */
.luca__img { filter: saturate(0.95) contrast(1.02) brightness(1.01); }
.luca__grade {
  position: absolute;
  inset: 0;
  background: var(--sand);
  opacity: 0.06;
  mix-blend-mode: soft-light;
  pointer-events: none;
}
.luca__text p {
  color: var(--ink-soft);
  font-size: 17px;
  margin: 18px 0;
}
.luca__quote {
  font-family: var(--font-head);
  font-style: italic;
  color: var(--wood);
  font-size: 20px;
  border-left: 3px solid var(--sand);
  padding-left: 20px;
  margin-top: 28px !important;
}

/* ---------- Programme ---------- */
.programme {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--off-white) 0%, var(--sand) 100%);
}
.programme__bg { position: absolute; inset: 0; z-index: 0; }
.programme__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18; /* faint luminous texture behind the warm wash */
}
.programme__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(248,245,240,0.78) 0%, rgba(212,184,150,0.72) 100%);
}
.programme__content {
  position: relative;
  z-index: 1;
  max-width: 620px;
  text-align: center;
}
/* Warm/luminous section: override the global "light" text helpers to dark ink */
.programme .eyebrow--light { color: var(--wood); }
.programme .section__title--light { color: var(--ink); }
.programme__content .section__title { margin: 0 auto 18px; text-align: center; }
.programme__desc {
  color: var(--ink-soft);
  font-size: 17px;
  margin-bottom: 40px;
}
.lead-form {
  background: #fff;
  border: 1px solid rgba(139, 111, 71, 0.18);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(43, 39, 34, 0.12);
}
.lead-form__row {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}
.lead-form input {
  width: 100%;
  padding: 16px 20px;
  border-radius: 999px;
  border: 1px solid rgba(139, 111, 71, 0.25);
  background: var(--off-white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: box-shadow 300ms var(--ease), border-color 300ms var(--ease);
}
/* Subtle ocean glow on focus */
.lead-form input:focus {
  border-color: rgba(30, 107, 140, 0.55);
  box-shadow: 0 0 0 3px rgba(30, 107, 140, 0.18), 0 0 14px rgba(30, 107, 140, 0.20);
}
.lead-form__feedback {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--ocean);
  min-height: 18px;
}
.lead-form__feedback.is-error { color: #e08585; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: rgba(248,245,240,0.7); padding: 56px 0 28px; }
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(248,245,240,0.1);
}
.footer .nav__logo { color: var(--sand); }
.footer__brand p { margin: 10px 0 0; font-size: 14px; }
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.footer__links a { font-size: 14px; transition: color 300ms; }
.footer__links a:hover { color: var(--sand); }
.footer__bottom { padding-top: 20px; }
.footer__bottom p { font-size: 13px; margin: 0; }

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__cta {
    display: inline-flex;
    background: var(--ocean);
    color: var(--off-white);
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
  }
  .nav__burger { display: none; }

  .section { padding: 140px 0; }
  .profiles { grid-template-columns: repeat(3, 1fr); }
  .profile-card:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -24px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: rgba(139, 111, 71, 0.22);
  }
  .pillars { grid-template-columns: repeat(2, 1fr); gap: 56px 40px; }
  .luca__grid { grid-template-columns: 0.9fr 1.1fr; }
  .lead-form__row { flex-direction: row; }
}

@media (min-width: 1024px) {
  .pillars { grid-template-columns: repeat(4, 1fr); }
}