/* ==========================================================================
   DESIGN SYSTEM — Thot Advisory
   Site vitrine cabinet de conseil
   Charte graphique officielle
   ========================================================================== */

/* ==========================================================================
   1. CSS VARIABLES
   ========================================================================== */

:root {
  /* --- Couleurs principales --- */
  --color-bleu-nuit:        #000930;
  --color-bleu-royal:       #355AA5;
  --color-rouge-jaspe:      #D5573B;
  --color-ivoire:           #EDE2E0;
  --color-blanc:            #FFFFFF;
  --color-noir:             #000000;
  --color-bg:               #F7F5F2;

  /* --- Nuances bleu nuit --- */
  --color-bleu-nuit-100:    #0C1A4A;
  --color-bleu-nuit-200:    #15285F;
  --color-bleu-nuit-300:    #1D3774;
  --color-bleu-nuit-400:    #264688;
  --color-bleu-nuit-500:    #2E529A;

  /* --- Nuances bleu royal --- */
  --color-bleu-royal-100:   #4568AD;
  --color-bleu-royal-200:   #6B87BD;
  --color-bleu-royal-300:   #8BA1CC;
  --color-bleu-royal-400:   #B0C0DB;
  --color-bleu-royal-500:   #D1D9E9;

  /* --- Nuances rouge jaspe --- */
  --color-rouge-jaspe-100:  #DB7057;
  --color-rouge-jaspe-200:  #DF7D68;
  --color-rouge-jaspe-300:  #E28C79;
  --color-rouge-jaspe-400:  #E79A89;
  --color-rouge-jaspe-500:  #EAA99A;

  /* --- Typographie --- */
  --font-primary:           'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-heading:           'DM Serif Display', Georgia, serif;
  --font-weight-thin:       100;
  --font-weight-light:      300;
  --font-weight-regular:    400;
  --font-weight-medium:     500;
  --font-weight-semibold:   600;
  --font-weight-bold:       700;

  --font-size-xs:           0.75rem;    /* 12px */
  --font-size-sm:           0.875rem;   /* 14px */
  --font-size-base:         1rem;       /* 16px */
  --font-size-md:           1.125rem;   /* 18px */
  --font-size-lg:           1.25rem;    /* 20px */
  --font-size-xl:           1.5rem;     /* 24px */
  --font-size-2xl:          2rem;       /* 32px */
  --font-size-3xl:          2.5rem;     /* 40px */
  --font-size-4xl:          3rem;       /* 48px */
  --font-size-5xl:          3.75rem;    /* 60px */
  --font-size-6xl:          4.5rem;     /* 72px */

  --line-height-tight:      1.15;
  --line-height-base:       1.6;
  --line-height-loose:      1.8;

  /* --- Espacements --- */
  --space-xs:               0.25rem;    /* 4px */
  --space-sm:               0.5rem;     /* 8px */
  --space-md:               1rem;       /* 16px */
  --space-lg:               1.5rem;     /* 24px */
  --space-xl:               2rem;       /* 32px */
  --space-2xl:              3rem;       /* 48px */
  --space-3xl:              4rem;       /* 64px */
  --space-4xl:              6rem;       /* 96px */
  --space-5xl:              8rem;       /* 128px */

  /* --- Ombres --- */
  --shadow-sm:              0 1px 3px rgba(0, 9, 48, 0.08);
  --shadow-md:              0 4px 12px rgba(0, 9, 48, 0.10);
  --shadow-lg:              0 8px 30px rgba(0, 9, 48, 0.12);
  --shadow-xl:              0 16px 48px rgba(0, 9, 48, 0.16);
  --shadow-card:            0 1px 2px rgba(0, 9, 48, 0.03);
  --shadow-card-hover:      0 20px 60px rgba(0, 9, 48, 0.06);

  /* --- Radius --- */
  --radius-sm:              2px;
  --radius-md:              4px;
  --radius-lg:              8px;
  --radius-xl:              12px;
  --radius-full:            9999px;

  /* --- Transitions --- */
  --transition-fast:        150ms ease;
  --transition-base:        300ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow:        500ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth:      600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Layout --- */
  --container-max:          1200px;
  --container-padding:      1.5rem;
  --header-height:          80px;

  /* --- Z-index --- */
  --z-header:               1000;
  --z-overlay:              900;
  --z-modal:                1100;
}


/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-bleu-nuit);
  background-color: #F7F5F2;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

::selection {
  background-color: var(--color-bleu-royal);
  color: var(--color-blanc);
}


/* ==========================================================================
   3. TYPOGRAPHIE
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: var(--line-height-tight);
  color: var(--color-bleu-nuit);
  letter-spacing: -0.02em;
}

h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-bleu-nuit);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

h6 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-regular);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  max-width: 72ch;
}

.subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-thin);
  line-height: var(--line-height-base);
  color: var(--color-bleu-royal);
  margin-bottom: var(--space-xl);
}

.lead {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
  font-weight: var(--font-weight-light);
  color: var(--color-bleu-nuit-400);
  margin-bottom: var(--space-lg);
  max-width: 55ch;
}

.advisory-text {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-sm);
}

.section-label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-rouge-jaspe);
  margin-bottom: var(--space-sm);
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid rgba(213, 87, 59, 0.2);
  border-radius: var(--radius-full);
  background-color: rgba(213, 87, 59, 0.05);
}

/* Texte sur fond sombre */
.text-on-dark h1,
.text-on-dark h2,
.text-on-dark h3,
.text-on-dark h4,
.text-on-dark h5,
.text-on-dark h6,
.text-on-dark p,
.text-on-dark .subtitle,
.text-on-dark .lead {
  color: var(--color-blanc);
}

.text-on-dark .subtitle {
  color: var(--color-bleu-royal-400);
}

.text-on-dark .lead {
  color: var(--color-bleu-royal-500);
}

.text-on-dark .section-label {
  color: var(--color-rouge-jaspe-300);
  border-color: rgba(213, 87, 59, 0.15);
  background-color: rgba(213, 87, 59, 0.08);
}


/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: 860px;
}

.container--wide {
  max-width: 1400px;
}

/* Grilles */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* Flex utilitaires */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


/* ==========================================================================
   5. NAVIGATION
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-header);
  background-color: #000930;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: none;
  transition: none;
}

.header--light .header__nav-link {
  color: var(--color-bleu-nuit);
  opacity: 0.7;
}

.header--light .header__nav-link:hover {
  color: var(--color-bleu-nuit);
  opacity: 1;
}

.header--light .header__nav-link::after {
  background-color: var(--color-bleu-royal);
}

.header--light .header__burger span {
  background-color: var(--color-bleu-nuit);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-blanc);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  z-index: calc(var(--z-header) + 1);
}

.header__logo-img {
  height: 80px;
  width: auto;
}

@media (max-width: 768px) {
  .header__logo-img {
    height: 56px;
  }
}

@media (max-width: 375px) {
  .header__logo-img {
    height: 44px;
  }
}

.header__logo-advisory {
  font-size: var(--font-size-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-weight: var(--font-weight-regular);
  display: block;
  margin-top: -2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.header__nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-base);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-rouge-jaspe);
  transition: width var(--transition-base);
}

.header__nav-link:hover {
  color: var(--color-blanc);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
  width: 100%;
}

.header__nav-link--active {
  color: var(--color-blanc);
  opacity: 1;
}

.header__nav-link--active::after {
  width: 100%;
}

.header--light .header__nav-link--active {
  color: var(--color-bleu-nuit);
  opacity: 1;
}

/* Menu mobile - burger */
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: calc(var(--z-header) + 2);
  background: none;
  border: none;
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-blanc);
  border-radius: 2px;
  transition: transform var(--transition-base),
              opacity var(--transition-fast);
}

.header__burger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__burger--open span:nth-child(2) {
  opacity: 0;
}

.header__burger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu mobile - overlay */
.header__mobile-nav {
  display: flex;
  visibility: hidden;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  height: 100vh;
  background-color: var(--color-bleu-nuit);
  z-index: var(--z-header);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility 0s linear 0.3s;
}

.header__mobile-nav--open {
  visibility: visible;
  opacity: 1;
  pointer-events: all;
  transition: opacity var(--transition-base), visibility 0s;
}

.header__mobile-nav-link {
  color: var(--color-blanc);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-thin);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.header__mobile-nav-link:hover {
  color: var(--color-rouge-jaspe);
}


/* ==========================================================================
   6. HERO
   ========================================================================== */

.hero {
  position: relative;
  min-height: 85dvh;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse 80% 50% at 20% 60%, rgba(53, 90, 165, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 30%, rgba(53, 90, 165, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 80%, rgba(213, 87, 59, 0.06) 0%, transparent 50%),
    var(--color-bleu-nuit);
  background-size: 200% 200%;
  animation: gradientShift 20s ease infinite;
  overflow: hidden;
  padding: clamp(6rem, 12vw, 9rem) 0 clamp(3rem, 6vw, 5rem);
}

/* "T" stylise en background — vrai logo de la charte */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  width: 60vw;
  height: 60vw;
  background-image: url('../images/logotype-thot-blanc.png');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__title {
  color: var(--color-blanc);
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  color: rgba(255, 255, 255, 0.6);
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: var(--font-weight-light);
  line-height: 1.7;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xl);
  max-width: 520px;
}

.hero__cta-group {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

/* Optionnel : overlay subtil en degrade pour le hero */
.hero--gradient::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(to top, var(--color-bleu-nuit), transparent);
  pointer-events: none;
  z-index: 0;
}


/* ==========================================================================
   7. BOUTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-primary);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 18px 40px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-rouge-jaspe);
  color: var(--color-blanc);
  border: 2px solid var(--color-rouge-jaspe);
}

.btn-primary:hover {
  background-color: var(--color-rouge-jaspe-100);
  border-color: var(--color-rouge-jaspe-100);
  box-shadow: 0 6px 20px rgba(213, 87, 59, 0.35);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(213, 87, 59, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-blanc);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-blanc);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-secondary--dark {
  color: var(--color-bleu-nuit);
  border-color: var(--color-bleu-nuit);
}

.btn-secondary--dark:hover {
  background-color: var(--color-bleu-nuit);
  color: var(--color-blanc);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-bleu-royal);
  border: 2px solid transparent;
  padding: 14px 16px;
}

.btn-ghost:hover {
  color: var(--color-rouge-jaspe);
}

.btn--small {
  font-size: 0.625rem;
  padding: 10px 22px;
  letter-spacing: 0.1em;
}

.btn--large {
  font-size: var(--font-size-xs);
  padding: 20px 48px;
}


/* ==========================================================================
   8. CARDS — Piliers d'expertise
   ========================================================================== */

.card {
  background-color: var(--color-blanc);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: 0 1px 2px rgba(0, 9, 48, 0.03);
  border: 1px solid rgba(0, 9, 48, 0.06);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth),
              border-color var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 9, 48, 0.06);
  border-color: rgba(53, 90, 165, 0.15);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bleu-nuit);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-bleu-nuit-500);
  line-height: var(--line-height-loose);
}

/* Ligne accent en haut de la card */
.card--accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-bleu-royal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.card--accent:hover::before {
  transform: scaleX(1);
}

/* Card sur fond sombre */
.card--dark {
  background-color: var(--color-bleu-nuit-100);
  border: 1px solid rgba(53, 90, 165, 0.15);
}

.card--dark .card__title {
  color: var(--color-blanc);
}

.card--dark .card__text {
  color: var(--color-bleu-royal-400);
}

.card--dark .card__icon {
  background-color: rgba(53, 90, 165, 0.2);
  color: var(--color-bleu-royal-300);
}


/* ==========================================================================
   9. SECTION CHIFFRES — Fond bleu royal, compteurs
   ========================================================================== */

.section-chiffres {
  background: linear-gradient(135deg, var(--color-bleu-royal) 0%, #2A4D8E 50%, #1D3774 100%);
  color: var(--color-blanc);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

/* "T" stylise en background sur section bleu royal */
.section-chiffres::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  width: 50vw;
  height: 50vw;
  background-image: url('../images/logotype-thot-blanc.png');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
}

.chiffre {
  text-align: center;
  padding: var(--space-xl);
}

.chiffre__number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  margin-bottom: var(--space-xs);
  color: var(--color-blanc);
  letter-spacing: -0.03em;
}

.chiffre__suffix {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-thin);
}

.chiffre__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
}

.chiffre__divider {
  width: 24px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.25);
  margin: var(--space-sm) auto;
}


/* ==========================================================================
   10. SECTION EQUIPE — Cards photo, fond ivoire
   ========================================================================== */

.section-equipe {
  background-color: #F7F5F2;
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.team-card {
  background-color: var(--color-blanc);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 9, 48, 0.04);
  border: 1px solid rgba(0, 9, 48, 0.06);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth),
              border-color var(--transition-smooth);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 9, 48, 0.08);
  border-color: rgba(53, 90, 165, 0.12);
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: var(--color-bleu-royal-500);
  position: relative;
  overflow: hidden;
}

/* Placeholder : initiales centrees */
.team-card__photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-light);
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(160deg, var(--color-bleu-nuit) 0%, var(--color-bleu-nuit-300) 100%);
}

/* Filtre bleu royal semi-transparent sur les photos */
.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(53, 90, 165, 0.15);
  mix-blend-mode: multiply;
  transition: opacity var(--transition-base);
}

.team-card:hover .team-card__photo::after {
  opacity: 0;
}

.team-card__info {
  padding: var(--space-lg) var(--space-xl);
}

.team-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bleu-nuit);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-bleu-royal);
  font-weight: var(--font-weight-regular);
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: var(--font-size-sm);
  color: var(--color-bleu-nuit-500);
  line-height: var(--line-height-base);
}


/* ==========================================================================
   11. SECTION CONTACT — Fond bleu nuit, formulaire
   ========================================================================== */

.section-contact {
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(53, 90, 165, 0.12) 0%, transparent 70%),
    var(--color-bleu-nuit);
  color: var(--color-blanc);
  padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative;
  overflow: hidden;
}

.section-contact::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -8%;
  transform: translateY(-50%);
  width: 50vw;
  height: 50vw;
  background-image: url('../images/logotype-thot-blanc.png');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
}

.form {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-bleu-royal-400);
  margin-bottom: var(--space-sm);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 14px 18px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  color: var(--color-blanc);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-base),
              background-color var(--transition-base);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-bleu-royal-300);
}

.form__input:focus,
.form__textarea:focus {
  border-color: rgba(53, 90, 165, 0.5);
  background-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(53, 90, 165, 0.15);
}

.form__textarea {
  min-height: 160px;
  resize: vertical;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}


/* ==========================================================================
   12. FOOTER
   ========================================================================== */

.footer {
  background-color: #000620;
  color: var(--color-blanc);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand-description {
  font-size: var(--font-size-sm);
  color: var(--color-bleu-royal-300);
  line-height: var(--line-height-base);
  margin-top: var(--space-md);
  max-width: 320px;
}

.footer__heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-bleu-royal-400);
  margin-bottom: var(--space-lg);
}

.footer__link {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-bleu-royal-300);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-blanc);
}

.footer__divider {
  width: 100%;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.08);
  margin-bottom: var(--space-xl);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-bleu-royal-300);
}

.footer__legal-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal-links a {
  color: var(--color-bleu-royal-300);
  transition: color var(--transition-fast);
}

.footer__legal-links a:hover {
  color: var(--color-blanc);
}


/* ==========================================================================
   13. ANIMATIONS
   ========================================================================== */

/* --- Keyframes --- */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes counterUp {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- Classes reveal pour IntersectionObserver --- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.7s var(--transition-smooth),
              transform 0.7s var(--transition-smooth);
}

.reveal--left.reveal--visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.7s var(--transition-smooth),
              transform 0.7s var(--transition-smooth);
}

.reveal--right.reveal--visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s var(--transition-smooth),
              transform 0.7s var(--transition-smooth);
}

.reveal--scale.reveal--visible {
  opacity: 1;
  transform: scale(1);
}

/* Delai echelonne pour les grilles */
.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }
.reveal--delay-5 { transition-delay: 500ms; }
.reveal--delay-6 { transition-delay: 600ms; }

/* Animation hero au chargement */
.hero__title {
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero__subtitle {
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero__cta-group {
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}


/* ==========================================================================
   14. RESPONSIVE
   ========================================================================== */

/* --- Breakpoint tablette : 768px --- */
@media (max-width: 768px) {

  :root {
    --container-padding: 1.25rem;
    --header-height: 64px;
  }

  /* Typographie mobile */
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero__subtitle {
    font-size: var(--font-size-md);
    max-width: 100%;
  }

  /* Grilles en 1 colonne */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Stagger désactivé sur mobile */
  .grid-3.grid-staggered > :nth-child(2),
  .grid-3.grid-staggered > :nth-child(3) {
    margin-top: 0;
  }

  /* Navigation mobile */
  .header__nav {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: 85vh;
    min-height: 85dvh;
    padding: var(--space-4xl) 0 var(--space-3xl);
  }

  .hero::before {
    width: 80vw;
    height: 80vw;
    right: -15%;
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .hero__cta-group .btn {
    text-align: center;
  }

  /* Boutons adaptés mobile */
  .btn {
    padding: 14px 24px;
    font-size: 0.625rem;
  }

  .btn--large {
    padding: 16px 32px;
  }

  /* Chiffres */
  .chiffre__number {
    font-size: var(--font-size-3xl);
  }

  .chiffre__suffix {
    font-size: var(--font-size-2xl);
  }

  .section-chiffres {
    padding: var(--space-3xl) 0;
  }

  /* Cards expertises */
  .card {
    padding: var(--space-xl) var(--space-lg);
  }

  .card__icon {
    width: 48px;
    height: 48px;
  }

  .card__icon svg {
    width: 28px;
    height: 28px;
  }

  /* Mission reveal mobile */
  .mission-reveal--visible {
    max-height: 120px;
  }

  .mission-reveal__text {
    font-size: 0.7rem;
  }

  /* Equipe */
  .team-card__info {
    padding: var(--space-md) var(--space-lg);
  }

  .team-card__bio {
    font-size: var(--font-size-xs);
  }

  .team-card__name {
    font-size: var(--font-size-base);
  }

  /* Contact */
  .contact-grid {
    gap: var(--space-xl);
  }

  .contact-info__name {
    font-size: var(--font-size-base);
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .footer__legal-links {
    justify-content: center;
  }

  /* Formulaire */
  .form__row {
    grid-template-columns: 1fr;
  }

  /* Section labels */
  .section-label {
    font-size: 0.6rem;
  }

  .lead {
    font-size: var(--font-size-sm);
  }
}

/* --- Extra small screens (320-375px) --- */
@media (max-width: 375px) {
  :root {
    --container-padding: 1rem;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.6rem;
    letter-spacing: 0.08em;
  }


  .chiffre__number {
    font-size: var(--font-size-2xl);
  }
}

/* --- Breakpoint desktop : 1200px --- */
@media (max-width: 1200px) {

  /* Grilles en responsive intermediaire */
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ==========================================================================
   15. UTILITAIRES
   ========================================================================== */

/* --- Texte --- */
.text-center       { text-align: center; }
.text-left         { text-align: left; }
.text-right        { text-align: right; }
.text-accent       { color: var(--color-rouge-jaspe); }
.text-blue         { color: var(--color-bleu-royal); }
.text-white        { color: var(--color-blanc); }
.text-muted        { color: var(--color-bleu-nuit-500); }

/* --- Backgrounds --- */
.bg-dark           { background-color: var(--color-bleu-nuit); }
.bg-light          { background-color: var(--color-ivoire); }
.bg-blue           { background-color: var(--color-bleu-royal); }
.bg-white          { background-color: var(--color-blanc); }
.bg-rouge          { background-color: var(--color-rouge-jaspe); }

/* --- Sections --- */
.section-padding {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.section-padding--sm {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.section-padding--lg {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

/* --- Espacement --- */
.mt-0  { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0  { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-xl); }

/* --- Display --- */
.hidden            { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Divers --- */
.mx-auto { margin-left: auto; margin-right: auto; }

.overflow-hidden { overflow: hidden; }

/* Image avec filtre bleu royal semi-transparent */
.img-overlay {
  position: relative;
  overflow: hidden;
}

.img-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(53, 90, 165, 0.25);
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* Separateur decoratif */
.divider {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-rouge-jaspe), transparent);
  border: none;
  margin: var(--space-lg) 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

.divider--white {
  background-color: var(--color-blanc);
  opacity: 0.3;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale {
    opacity: 1;
    transform: none;
  }

  .reveal--clip,
  .img-reveal {
    clip-path: none;
  }
}


/* ==========================================================================
   CUSTOM STYLES — Complements pour le site
   ========================================================================== */

/* Scroll indicator hero */
.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-bleu-royal-300);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeIn 1s ease-out 1s both;
}

.hero__scroll-indicator svg {
  animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@media (max-width: 768px) {
  .hero__scroll-indicator {
    display: none;
  }
}

/* Section expertises */
.section-expertises {
  background-color: #F0EDEA;
  padding: clamp(3rem, 6vw, 5rem) 0;
}

/* Icon container */
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(53, 90, 165, 0.06) 0%, rgba(53, 90, 165, 0.12) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-bleu-royal);
}

.card__services {
  margin-top: var(--space-md);
}

.card__services li {
  font-size: var(--font-size-sm);
  color: var(--color-bleu-nuit-500);
  padding: var(--space-xs) 0;
  padding-left: 1.2rem;
  position: relative;
  line-height: var(--line-height-base);
  cursor: default;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.card__services li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-rouge-jaspe);
  transition: background-color 0.3s ease, transform 0.3s ease;
}

/* --- Mission reveal: inline detail under each bullet --- */

.card__services li[data-mission] {
  cursor: pointer;
}

/* Dim siblings when one bullet is active */
.card__services:has(.mission--active) li:not(.mission--active) {
  opacity: 0.3;
}

.card__services:has(.mission--active) li:not(.mission--active)::before {
  opacity: 0.3;
}

.card__services li[data-mission]:hover,
.card__services li.mission--active {
  color: var(--color-bleu-royal);
  opacity: 1;
}

.card__services li[data-mission]:hover::before,
.card__services li.mission--active::before {
  background-color: var(--color-bleu-royal);
  transform: scale(1.4);
  opacity: 1;
}

.mission-reveal {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.3s ease,
              margin 0.3s ease;
  margin: 0;
  padding: 0 0 0 1.2rem;
  position: relative;
}

.mission-reveal--visible {
  max-height: 80px;
  opacity: 1;
  margin: 4px 0 6px;
}

.mission-reveal__text {
  font-size: var(--font-size-xs);
  color: var(--color-bleu-royal);
  line-height: var(--line-height-base);
  padding: 6px 10px;
  background: rgba(53, 90, 165, 0.06);
  border-left: 2px solid var(--color-bleu-royal);
  border-radius: 0 4px 4px 0;
  font-style: italic;
}

/* Section approche */
.section-approche {
  background:
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(53, 90, 165, 0.08) 0%, transparent 60%),
    var(--color-bleu-nuit);
  padding: clamp(3rem, 6vw, 5rem) 0;
}

/* --- Progress bar --- */
.approach-progress {
  position: relative;
  width: 100%;
  height: 2px;
  background: rgba(53, 90, 165, 0.12);
  border-radius: 2px;
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.approach-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-bleu-royal), var(--color-rouge-jaspe));
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Steps grid --- */
.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

/* --- Individual step --- */
.approach-step {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  border-left: 1px solid rgba(53, 90, 165, 0.1);
  overflow: hidden;
  transition: background 0.5s ease;
}

.approach-step:first-child {
  border-left: none;
}

.approach-step:hover {
  background: rgba(53, 90, 165, 0.06);
}

/* Giant background number */
.approach-step__bg {
  position: absolute;
  top: -10%;
  right: -5%;
  font-family: var(--font-heading);
  font-size: clamp(6rem, 10vw, 10rem);
  font-weight: 400;
  line-height: 1;
  color: rgba(53, 90, 165, 0.04);
  pointer-events: none;
  user-select: none;
  transition: color 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.approach-step:hover .approach-step__bg {
  color: rgba(213, 87, 59, 0.08);
  transform: scale(1.05) translateY(-3%);
}

/* Step content */
.approach-step__inner {
  position: relative;
  z-index: 1;
}

.approach-step__label {
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-rouge-jaspe);
  margin-bottom: var(--space-md);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.approach-step:hover .approach-step__label {
  opacity: 1;
}

.approach-step__title {
  color: var(--color-blanc);
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  font-weight: 400;
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.approach-step__text {
  color: rgba(255, 255, 255, 0.45);
  font-size: var(--font-size-xs);
  line-height: 1.6;
  transition: color 0.4s ease;
  margin-bottom: var(--space-md);
}

.approach-step:hover .approach-step__text {
  color: rgba(255, 255, 255, 0.65);
}

/* Tags */
.approach-step__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.approach-step__tag {
  font-size: 0.6rem;
  color: var(--color-bleu-royal-300);
  border: 1px solid rgba(53, 90, 165, 0.2);
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: 0.04em;
  font-weight: var(--font-weight-medium);
  transition: border-color 0.3s ease, color 0.3s ease;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.3s ease, color 0.3s ease;
}

.approach-step__tag.tag--visible {
  opacity: 1;
  transform: translateY(0);
}

.approach-step:hover .approach-step__tag {
  border-color: rgba(213, 87, 59, 0.35);
  color: var(--color-rouge-jaspe-200);
}

/* --- Fresque continue stylo blanc --- */
.approach-canvas {
  margin-top: var(--space-lg);
  width: 100%;
  overflow: hidden;
}

.approach-canvas svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Tous les paths cachés par défaut, JS anime séquentiellement */
.illus-path {
  opacity: 0;
}

/* --- Scroll reveal for steps --- */
.approach-step__inner {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.approach-step.step--visible .approach-step__inner {
  opacity: 1;
  transform: translateY(0);
}

/* --- Tablet: 2x2 grid --- */
@media (max-width: 1024px) {
  .approach-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .approach-step:nth-child(3) {
    border-left: none;
  }

  .approach-step {
    border-bottom: 1px solid rgba(53, 90, 165, 0.1);
  }

  .approach-step:nth-child(3),
  .approach-step:nth-child(4) {
    border-bottom: none;
  }
}

/* --- Mobile: single column --- */
@media (max-width: 768px) {
  .approach-steps {
    grid-template-columns: 1fr;
  }

  .approach-step {
    border-left: none;
    border-bottom: 1px solid rgba(53, 90, 165, 0.08);
    padding: var(--space-xl) 0;
  }

  .approach-step:last-child {
    border-bottom: none;
  }

  .approach-step__bg {
    font-size: 6rem;
    top: -5%;
    right: 0;
  }

  .approach-step__title {
    font-size: var(--font-size-base);
  }

  .approach-progress {
    margin-bottom: var(--space-2xl);
  }

  .approach-canvas {
    display: none;
  }
}

/* ==========================================================================
   PARTENAIRES — Rejoindre le réseau
   ========================================================================== */

.section-partenaires {
  background-color: var(--color-blanc);
  border-top: 1px solid rgba(0, 9, 48, 0.06);
}

/* --- Bénéfices --- */
.partner-benefits {
  margin-bottom: var(--space-2xl);
}

.partner-benefit {
  text-align: center;
  padding: var(--space-lg);
}

.partner-benefit__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(53, 90, 165, 0.06) 0%, rgba(53, 90, 165, 0.12) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--color-bleu-royal);
}

.partner-benefit__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bleu-nuit);
  margin-bottom: var(--space-xs);
}

.partner-benefit__text {
  font-size: var(--font-size-xs);
  color: var(--color-bleu-nuit-400);
  line-height: var(--line-height-base);
}

/* --- Processus 3 étapes --- */
.partner-process {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
  padding: var(--space-xl) 0;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
}

.partner-process__step {
  flex: 1;
  max-width: 240px;
  text-align: center;
  padding: 0 var(--space-lg);
}

.partner-process__number {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  color: rgba(53, 90, 165, 0.12);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.partner-process__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bleu-nuit);
  margin-bottom: var(--space-xs);
}

.partner-process__text {
  font-size: var(--font-size-xs);
  color: var(--color-bleu-nuit-400);
  line-height: 1.5;
}

.partner-process__connector {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, rgba(53, 90, 165, 0.15), rgba(213, 87, 59, 0.3));
  margin-top: 1.5rem;
  flex-shrink: 0;
}

/* --- Formulaire candidature --- */
.partner-form-wrapper {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid rgba(0, 9, 48, 0.06);
}

.partner-form__heading {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-bleu-nuit);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.partner-form .form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.partner-form .form__group {
  margin-bottom: var(--space-md);
}

.partner-form .form__label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-bleu-nuit);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.partner-form .form__input,
.partner-form .form__select,
.partner-form .form__textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid rgba(0, 9, 48, 0.12);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--color-bleu-nuit);
  background: var(--color-blanc);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.partner-form .form__input:focus,
.partner-form .form__select:focus,
.partner-form .form__textarea:focus {
  outline: none;
  border-color: var(--color-bleu-royal);
  box-shadow: 0 0 0 3px rgba(53, 90, 165, 0.1);
}

.partner-form .form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23355AA5' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.partner-form .form__input--file {
  padding: 8px 14px;
  cursor: pointer;
}

.partner-form .form__textarea {
  resize: vertical;
  min-height: 80px;
}

.partner-form__submit {
  width: 100%;
  margin-top: var(--space-sm);
}

.partner-form__disclaimer {
  font-size: 0.65rem;
  color: var(--color-bleu-nuit-400);
  text-align: center;
  margin-top: var(--space-md);
  opacity: 0.6;
}

/* --- Responsive partenaires --- */
@media (max-width: 768px) {
  .partner-process {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .partner-process__connector {
    width: 1px;
    height: 24px;
    margin-top: 0;
  }

  .partner-form .form__row {
    grid-template-columns: 1fr;
  }

  .partner-form-wrapper {
    padding: var(--space-lg);
  }
}

/* Section references */
.section-references {
  background-color: var(--color-blanc);
  padding: var(--space-3xl) 0;
  border-top: 1px solid rgba(0, 9, 48, 0.06);
  border-bottom: 1px solid rgba(0, 9, 48, 0.06);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.client-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl);
  background-color: transparent;
  border-radius: 0;
  border: 1px solid rgba(0, 9, 48, 0.06);
  margin: -0.5px;
  transition: background-color var(--transition-base), transform var(--transition-base);
  min-height: 100px;
  position: relative;
}

.client-item:hover {
  background-color: rgba(53, 90, 165, 0.03);
  z-index: 1;
}

.client-item__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bleu-nuit);
  text-align: center;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.client-item:hover .client-item__name {
  opacity: 1;
}

@media (max-width: 1200px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Section equipe custom */
.team-card__formation {
  font-size: var(--font-size-xs);
  color: var(--color-bleu-royal);
  margin-top: var(--space-sm);
  font-style: italic;
}

.team-card__badge {
  display: inline-block;
  background-color: transparent;
  color: var(--color-bleu-royal);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-top: var(--space-md);
  border: 1px solid rgba(53, 90, 165, 0.2);
  letter-spacing: 0.02em;
}

.team-card__email {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-bleu-royal);
  margin-top: var(--space-sm);
  transition: color var(--transition-fast);
}

.team-card__email:hover {
  color: var(--color-rouge-jaspe);
}

/* Contact coordonnees */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info {
  color: var(--color-blanc);
}

.contact-info__person {
  margin-bottom: var(--space-xl);
}

.contact-info__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-blanc);
  margin-bottom: var(--space-xs);
}

.contact-info__detail {
  font-size: var(--font-size-sm);
  color: var(--color-bleu-royal-300);
  margin-bottom: var(--space-xs);
  display: block;
}

.contact-info__detail a {
  color: var(--color-bleu-royal-300);
  transition: color var(--transition-fast);
}

.contact-info__detail a:hover {
  color: var(--color-blanc);
}

.calendly-placeholder {
  margin-top: var(--space-xl);
  padding: var(--space-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  text-align: center;
  background-color: rgba(255, 255, 255, 0.03);
}

.calendly-placeholder p {
  color: var(--color-bleu-royal-300);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

/* Form error/success states */
.form__input--error,
.form__textarea--error {
  border-color: var(--color-rouge-jaspe) !important;
}

.form__error {
  color: var(--color-rouge-jaspe-300);
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
  display: none;
}

.form__error--visible {
  display: block;
}

.form__success {
  display: none;
  padding: var(--space-lg);
  background-color: rgba(53, 90, 165, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-blanc);
  font-size: var(--font-size-base);
  text-align: center;
  margin-top: var(--space-lg);
}

.form__success--visible {
  display: block;
}

/* Honeypot */
.form__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

/* Bouton retour en haut */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-bleu-nuit);
  color: var(--color-blanc);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
}

.back-to-top--visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-bleu-nuit);
}

/* Footer border top */
.footer__top-border {
  width: 100%;
  height: 1px;
  background-color: var(--color-bleu-royal);
}

/* LinkedIn icon in footer */
.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-bleu-royal-300);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-rouge-jaspe);
}

.footer__social-link svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}


/* ==========================================================================
   SEO & ACCESSIBILITE — Skip link, focus-visible, contrastes WCAG AA
   ========================================================================== */

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background-color: var(--color-rouge-jaspe);
  color: var(--color-blanc);
  padding: 12px 24px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  z-index: calc(var(--z-modal) + 1);
  transition: top var(--transition-fast);
  text-decoration: underline;
}

.skip-link:focus {
  top: 0;
}

/* Focus visible pour navigation clavier */
*:focus-visible {
  outline: 3px solid var(--color-rouge-jaspe);
  outline-offset: 2px;
}

/* Supprimer outline par defaut au clic (souris) */
*:focus:not(:focus-visible) {
  outline: none;
}

/* Contraste WCAG AA : blanc sur bleu royal #355AA5 -> ratio 3.94:1 insuffisant
   On ajuste les boutons et textes sur fond bleu royal pour atteindre 4.5:1 */
.section-chiffres .chiffre__label {
  color: #D1D9E9;
}

/* Contraste WCAG AA : blanc sur rouge jaspe #D5573B -> ratio 3.35:1 insuffisant
   On assombrit le rouge jaspe sur les boutons pour assurer le contraste */
.btn-primary {
  background-color: #B84832;
  border-color: #B84832;
}

.btn-primary:hover {
  background-color: #C25540;
  border-color: #C25540;
}

/* Assurer le contraste du texte sur fond ivoire */
.section-references .section-label,
.section-equipe .section-label {
  color: #B84832;
}


/* ==========================================================================
   16. NEW ANIMATIONS — Modern enhancements
   ========================================================================== */

/* --- 1. Animated gradient mesh for hero --- */

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 100% 50%; }
  50% { background-position: 100% 0%; }
  75% { background-position: 0% 100%; }
}

/* --- 2. Split text reveal animation --- */

.split-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.split-word__inner {
  display: inline-block;
  transform: translateY(100%);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.split-word--visible .split-word__inner {
  transform: translateY(0);
}

/* --- 3. Kinetic typography — letter-by-letter reveal --- */

.split-letter {
  display: inline-block;
  overflow: hidden;
}

.split-letter__inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--i) * 0.035s);
}

.split-letter--visible .split-letter__inner {
  transform: translateY(0);
}

/* --- 5. Scroll progress bar --- */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-rouge-jaspe), var(--color-bleu-royal));
  z-index: 1100;
  transform-origin: left;
  transform: scaleX(0);
  width: 100%;
  pointer-events: none;
}


/* --- 7. Horizontal marquee for clients --- */

.marquee {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}

.marquee__track {
  display: inline-flex;
  gap: var(--space-3xl);
  animation: marqueeScroll 30s linear infinite;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee__item {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bleu-nuit);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.35;
  padding: var(--space-xl) var(--space-2xl);
  transition: opacity 0.3s;
}

.marquee__item:hover {
  opacity: 1;
}

.marquee__separator {
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-bleu-royal);
  opacity: 0.2;
  align-self: center;
}

/* --- 8. SVG icon draw animation --- */

.icon-draw svg path,
.icon-draw svg polyline,
.icon-draw svg circle,
.icon-draw svg line {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.icon-draw--visible svg path,
.icon-draw--visible svg polyline,
.icon-draw--visible svg circle,
.icon-draw--visible svg line {
  stroke-dashoffset: 0;
}

/* --- 9. Floating parallax elements --- */

.floating-element {
  position: absolute;
  pointer-events: none;
  will-change: transform;
  opacity: 0.06;
}

.floating-circle {
  border-radius: 50%;
  border: 1px solid var(--color-bleu-royal);
}

.floating-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-bleu-royal), transparent);
}

/* --- 10. Page transition --- */

.page-transition {
  position: fixed;
  inset: 0;
  background-color: var(--color-bleu-nuit);
  z-index: 10000;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

.page-transition--enter {
  animation: pageEnter 0.6s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

@keyframes pageEnter {
  0% { transform: scaleY(0); transform-origin: bottom; }
  50% { transform: scaleY(1); transform-origin: bottom; }
  50.01% { transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: top; }
}

/* --- 11. Improved reveal animations — more variety --- */

.reveal--clip {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--clip.reveal--visible {
  clip-path: inset(0 0 0% 0);
}

.reveal--blur {
  opacity: 0;
  filter: blur(10px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--blur.reveal--visible {
  opacity: 1;
  filter: blur(0);
}

/* --- 12. Section separator with gradient fade --- */

.section-separator {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 9, 48, 0.08), transparent);
  margin: 0;
  border: none;
}

/* --- 13. Bento grid for expertises --- */

.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-lg);
}

.bento-grid__hero {
  grid-row: 1 / 3;
}

@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-grid__hero {
    grid-row: auto;
  }
}

/* --- Staggered expertise grid --- */

@media (min-width: 769px) {
  .grid-3.grid-staggered > :nth-child(2) { margin-top: 1.5rem; }
  .grid-3.grid-staggered > :nth-child(3) { margin-top: 3rem; }
}

/* --- Image reveal with clip-path (team photos) --- */

.img-reveal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.img-reveal.reveal--visible {
  clip-path: inset(0 0% 0 0);
}

/* --- Section separator — organic SVG curve --- */

.section-wave {
  position: relative;
}

.section-wave::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--color-bg);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 1;
}

/* --- 14. Number counter with glow --- */

.chiffre__number--glow {
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.15);
}

/* --- 15. Smooth hover underline for links --- */

.link-underline {
  position: relative;
  display: inline;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}