/* ============================================================
   HYDROSHELL — Design System Global (Charte Stricte)
   Version 2.0 | 2026
   Charte : Bleu Signature #0B3C5D | Noir #0E0E11 | Cyan #00B4D8
   Fonts  : Montserrat, Inter, Space Grotesk
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Montserrat+Alternates:wght@700&family=Space+Grotesk:wght@400;600&display=swap');

/* ---------- 1. VARIABLES ---------- */
:root {
  /* Charte HydroShell */
  --blue-signature: #0B3C5D;
  --black-carbon: #0E0E11;
  --white-tech: #FFFFFF;
  --cyan-accent: #00B4D8;

  --text-main: var(--black-carbon);
  --text-light: #52525B;
  --bg-main: var(--white-tech);
  --bg-dark: var(--black-carbon);

  /* Typographie */
  --font-logo: 'Montserrat Alternates', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-tech: 'Space Grotesk', sans-serif;

  /* Aliasing pour compatibilité avec le code existant */
  --navy: var(--blue-signature);
  --navy-light: #1a5c8a;
  --navy-dark: #082d46;
  --cyan: var(--cyan-accent);
  --cyan-dark: #0096b4;
  --royal: var(--blue-signature);
  --white: var(--white-tech);
  --grey: #F3F4F6;
  --grey-mid: #E5E7EB;
  --text: var(--text-main);
  --success: #10B981;
  --error: #EF4444;

  --font-title: var(--font-tech);

  --radius: 4px;
  /* Géométrique, angles peu arrondis */
  --radius-lg: 8px;
  --shadow: 0 4px 12px rgba(11, 60, 93, 0.08);
  /* Ombre aux couleurs de la marque */
  --shadow-lg: 0 12px 24px rgba(11, 60, 93, 0.12);
  --transition: 0.3s ease;
  --max-width: 1200px;
}

/* ---------- 2. RESET & BASE ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  margin: 0;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-tech);
  color: var(--blue-signature);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ---------- 3. UTILITAIRES ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(25, 211, 243, 0.10);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 620px;
  margin-bottom: 48px;
}

.text-cyan {
  color: var(--cyan);
}

.text-navy {
  color: var(--navy);
}

.text-white {
  color: var(--white);
}

.bg-navy {
  background: var(--navy);
}

.bg-grey {
  background: var(--grey);
}

.bg-white {
  background: var(--white);
}

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 4. BOUTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  font-weight: 600;
}

.btn-primary {
  background-color: var(--blue-signature);
  color: var(--white-tech);
  border: none;
}

.btn-primary:hover {
  background-color: var(--cyan-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-navy {
  background: transparent;
  color: var(--blue-signature);
  border-color: var(--blue-signature);
}

.btn-outline-navy:hover {
  background: var(--blue-signature);
  color: var(--white);
  transform: translateY(-2px);
}

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

/* ---------- 5. NAVIGATION ---------- */
.navbar {
  background-color: var(--white-tech);
  border-bottom: 1px solid var(--grey-mid);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(16px, 2vw, 32px) clamp(24px, 5vw, 64px);
  max-width: var(--max-width);
  margin: 0 auto;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.navbar-logo img {
  height: 48px;
  margin: 24px 0;
  width: auto;
  object-fit: contain;
}

.navbar-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.navbar-logo-name {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--blue-signature);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.navbar-logo-tag {
  font-family: var(--font-tech);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  font-weight: 600;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-tech);
  color: var(--black-carbon);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan-accent);
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--grey-mid);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: 0.88rem;
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
  border-bottom: 1px solid var(--grey);
}

.nav-dropdown a:last-child {
  border-bottom: none;
}

.nav-dropdown a:hover {
  background: var(--grey);
  color: var(--navy);
}

.nav-dropdown .dd-icon {
  width: 28px;
  height: 28px;
  background: rgba(25, 211, 243, 0.12);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.navbar-cta {
  margin-left: 16px;
}

/* Burger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: all var(--transition);
  border-radius: 2px;
}

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

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

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

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--grey-mid);
}

.mobile-menu a {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy);
  padding: 12px 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.mobile-menu a:hover {
  background: var(--grey);
  color: var(--cyan-dark);
}

.mobile-menu .btn {
  margin-top: 8px;
  justify-content: center;
}

/* ---------- 6. HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(11, 36, 71, 0.92) 0%,
      rgba(31, 122, 140, 0.75) 60%,
      rgba(11, 36, 71, 0.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(25, 211, 243, 0.15);
  border: 1px solid rgba(25, 211, 243, 0.35);
  color: var(--cyan);
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
  animation: pulse-badge 3s ease-in-out infinite;
}

@keyframes pulse-badge {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(25, 211, 243, 0.3);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(25, 211, 243, 0);
  }
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero h1 span {
  color: var(--cyan);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
  margin: 0 auto 40px;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-title);
  animation: bounce-scroll 2s ease-in-out infinite;
}

.hero-scroll svg {
  animation: bounce-scroll 2s ease-in-out infinite;
}

@keyframes bounce-scroll {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

/* Page hero (pages internes) */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--royal) 100%);
  padding: 140px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2319D3F3' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 20px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--font-title);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--cyan);
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.35);
}

/* ---------- 7. STATS STRIP ---------- */
.stats-strip {
  background: var(--navy);
  padding: 48px 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.stat-item {
  padding: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--cyan);
  display: block;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-title);
  font-weight: 600;
}

/* ---------- 8. CARDS SERVICES ---------- */
.services-section {
  padding: 96px 24px;
  background: var(--grey);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: var(--max-width);
  margin: 48px auto 0;
}

.service-card {
  background-color: var(--white-tech);
  border: 1px solid var(--grey-mid);
  border-radius: 0;
  /* Angles nets exigés */
  padding: 32px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(11, 60, 93, 0.08);
  /* Ombre aux couleurs de la marque */
  border-color: var(--cyan-accent);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(25, 211, 243, 0.12), rgba(31, 122, 140, 0.12));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--cyan), var(--royal));
  transform: rotate(5deg) scale(1.05);
}

.service-card h3 {
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-link {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--royal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.service-link:hover {
  color: var(--cyan-dark);
  gap: 10px;
}

/* ---------- 9. AI PITCH (split) ---------- */
.ai-pitch {
  padding: 96px 24px;
  background: var(--white);
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.split-layout.reverse {
  direction: rtl;
}

.split-layout.reverse>* {
  direction: ltr;
}

.split-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-lg);
}

.split-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.split-visual:hover img {
  transform: scale(1.04);
}

.split-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--navy);
  color: var(--cyan);
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0 32px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: var(--grey);
  border-radius: var(--radius);
  border-left: 3px solid var(--cyan);
  transition: all var(--transition);
}

.feature-item:hover {
  background: rgba(25, 211, 243, 0.06);
  border-left-color: var(--royal);
}

.feature-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.feature-item strong {
  display: block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--navy);
  margin-bottom: 3px;
}

.feature-item span {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ---------- 10. CASE STUDY ---------- */
.case-study {
  padding: 96px 24px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.case-study::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(25, 211, 243, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.case-study-header {
  text-align: center;
  margin-bottom: 56px;
}

.case-study-header .section-label {
  color: var(--cyan);
  background: rgba(25, 211, 243, 0.12);
}

.case-study-header .section-title {
  color: var(--white);
}

.case-study-header .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto;
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: var(--max-width);
  margin: 0 auto 48px;
}

.case-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.case-card h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.case-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.case-card li::before {
  content: '▸';
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 1px;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto 48px;
}

.result-item {
  background: rgba(25, 211, 243, 0.08);
  border: 1px solid rgba(25, 211, 243, 0.2);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
}

.result-number {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan);
  display: block;
  margin-bottom: 6px;
}

.result-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-title);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto 40px;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
}

.pricing-card:hover {
  background: rgba(25, 211, 243, 0.1);
  border-color: rgba(25, 211, 243, 0.3);
  transform: translateY(-4px);
}

.pricing-label {
  font-size: 0.78rem;
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
}

.pricing-amount {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 8px;
}

.pricing-note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 11. PROCESSUS ---------- */
.process-section {
  padding: 96px 24px;
  background: var(--grey);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--royal));
}

.process-step {
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--navy);
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  transition: all var(--transition);
  box-shadow: 0 0 0 6px var(--grey);
}

.process-step:hover .step-number {
  background: var(--navy);
  color: var(--cyan);
  transform: scale(1.1);
}

.process-step h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--navy);
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ---------- 12. DIAGNOSTIC / FORM ---------- */
.diagnostic-section {
  padding: 96px 24px;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}

.diagnostic-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(25, 211, 243, 0.05) 0%, transparent 70%);
}

.diagnostic-inner {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}

.diagnostic-inner .section-label {
  color: var(--cyan);
  background: rgba(25, 211, 243, 0.12);
}

.diagnostic-inner .section-title {
  color: var(--white);
}

.diagnostic-inner .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto 40px;
}

.form-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(25, 211, 243, 0.15);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--navy);
  color: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 12px;
  text-align: center;
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h3 {
  color: var(--cyan);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.form-success p {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 13. SECTIONS GÉNÉRIQUES ---------- */
section.section {
  padding: 96px 24px;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Info card générique */
.info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.info-card .card-icon {
  font-size: 2rem;
  margin-bottom: 18px;
}

.info-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.info-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* Highlight box */
.highlight-box {
  background: linear-gradient(135deg, rgba(25, 211, 243, 0.06), rgba(31, 122, 140, 0.06));
  border: 1px solid rgba(25, 211, 243, 0.2);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 32px 0;
}

.highlight-box p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
}

/* Table */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  font-size: 0.92rem;
}

.styled-table thead {
  background: var(--navy);
  color: var(--white);
}

.styled-table th {
  padding: 14px 20px;
  text-align: left;
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.styled-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--grey-mid);
}

.styled-table tbody tr:nth-child(even) {
  background: var(--grey);
}

.styled-table tbody tr:hover {
  background: rgba(25, 211, 243, 0.05);
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.value-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.86rem;
  color: var(--text-light);
}

/* CTA block */
.cta-block {
  padding: 80px 24px;
  background: linear-gradient(135deg, var(--royal), var(--navy));
  text-align: center;
}

.cta-block h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

.cta-block p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 14. FOOTER ---------- */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 72px 24px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto 56px;
}

.footer-brand img {
  height: 48px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}

.footer-legal {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  margin-top: 16px;
}

.footer-col h4 {
  color: var(--white);
  font-family: var(--font-title);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col a:hover {
  color: var(--cyan);
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 12px;
}

.footer-contact-item .fi {
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--cyan);
}

/* ---------- 15. ANIMATIONS SCROLL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ---------- 16. RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .split-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .split-layout.reverse {
    direction: ltr;
  }

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

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

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

  .process-steps {
    grid-template-columns: 1fr 1fr;
  }

  .process-steps::before {
    display: none;
  }
}

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

  .navbar-cta {
    display: none;
  }

  .nav-burger {
    display: flex;
  }

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .cards-grid-3 {
    grid-template-columns: 1fr;
  }

  .cards-grid-2 {
    grid-template-columns: 1fr;
  }

  .case-results {
    grid-template-columns: 1fr 1fr;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .form-card {
    padding: 24px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .hero h1 {
    font-size: 2rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-right: none;
  }

  .case-results {
    grid-template-columns: 1fr;
  }

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

/* ---------- 17. DIVERS ---------- */
.separator {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--royal));
  border-radius: 4px;
  margin: 20px 0;
}

.separator.center {
  margin: 20px auto;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(25, 211, 243, 0.1);
  color: var(--royal);
  margin-right: 6px;
  margin-bottom: 6px;
}

/* Loading state for form button */
.btn-loading {
  opacity: 0.7;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================================
   CORRECTIFS — Logo & Tableau case-study
   ============================================================ */

/* Logo agrandi pour afficher le texte "HydroShell" inclus dans l'image */
.navbar-logo img {
  height: 56px !important;
  margin: 8px 0 !important;
  width: auto;
  object-fit: contain;
}

.footer-brand img {
  height: 52px;
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
}

/* Tableau lisible sur fond dark (section .case-study) */
.case-study .styled-table td {
  color: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.case-study .styled-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.04);
}

.case-study .styled-table tbody tr:hover td {
  color: rgba(255, 255, 255, 0.95);
}

.case-study .styled-table thead th {
  background: rgba(25, 211, 243, 0.18);
  color: var(--white);
}