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

:root {
  --primary: #2969B0;
  --primary-dark: #1e4f85;
  --primary-deeper: #153d6b;
  --accent: #C8A45C;
  --accent-light: #dfc07d;
  --dark: #1a1a2e;
  --dark-lighter: #2d2d44;
  --text: #333340;
  --text-light: #6b7280;
  --light: #f8f9fc;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-logo img {
  height: 44px;
  width: auto;
}

.navbar-logo span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  transition: var(--transition);
}

.navbar.scrolled .navbar-logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.01em;
}

.navbar.scrolled .nav-links a {
  color: var(--text);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--dark) !important;
  padding: 10px 24px !important;
  border-radius: 8px;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: translateY(-1px);
}

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

.navbar.scrolled .menu-toggle span {
  background: var(--dark);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(21,61,107,0.92) 0%, rgba(41,105,176,0.85) 40%, rgba(30,79,133,0.88) 100%),
    url('/static/images/fondfidunot.jpg') center center / cover no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(200,164,92,0.08) 0%, transparent 70%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, 5%) scale(1.1); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 80px;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,164,92,0.15);
  border: 1px solid rgba(200,164,92,0.3);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--dark);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200,164,92,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
  font-weight: 500;
}

/* ===== SECTIONS COMMON ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
  position: relative;
  padding: 6px 16px;
  background: rgba(200,164,92,0.1);
  border-radius: 50px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== SECTEURS ===== */
.sectors {
  background: var(--light);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sector-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.sector-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
}

.sector-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(41,105,176,0.1);
}

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

.sector-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(41,105,176,0.08), rgba(200,164,92,0.08));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.sector-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.sector-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== EXPERTISES ===== */
.expertises-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.expertise-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 32px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--light);
}

.expertise-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(41,105,176,0.15);
}

.expertise-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
}

.expertise-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.expertise-item p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== ABOUT / POURQUOI NOUS ===== */
.about {
  background: var(--light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.about-image-main {
  width: 100%;
  height: 480px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.about-image-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.about-image-text {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
}

.about-image-text .big-number {
  font-size: 6rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-image-text p {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 8px;
  opacity: 0.9;
}

.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--dark);
  padding: 20px 28px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.about-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.about-content > p {
  color: var(--text-light);
  margin-bottom: 32px;
  font-size: 1.02rem;
  line-height: 1.8;
}

.values-list {
  display: grid;
  gap: 18px;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.value-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.value-check {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
}

.value-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

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

/* ===== PROCESSUS ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.step p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-deeper), var(--primary));
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(200,164,92,0.1) 0%, transparent 70%);
}

.cta-banner .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-banner h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== CONTACT ===== */
.contact {
  background: var(--light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.contact-info > p {
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.7;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}

.contact-item h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
}

.contact-item a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--white);
  border-radius: 20px;
  padding: 44px;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--light);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(41,105,176,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.btn-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(41,105,176,0.3);
}

/* ===== MAP ===== */
.map-section {
  height: 400px;
  filter: grayscale(30%);
}

.map-section iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 320px;
}

.footer h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-text {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-visual {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-image {
    order: -1;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps::before {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-md);
    border-radius: 0 0 16px 16px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    color: var(--text) !important;
    font-size: 1rem;
  }
  .menu-toggle {
    display: flex;
  }
  .sectors-grid {
    grid-template-columns: 1fr;
  }
  .expertises-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .section {
    padding: 72px 0;
  }
}