/* ===========================
   RESET & GLOBAL
=========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  background: #f7f8fb;
  color: #111;
  scroll-behavior: smooth;
}

/* ===========================
   VARIABLES
=========================== */
:root {
  --accent: #4b7bec;
  --accent-dark: #3867d6;
  --text-muted: #6b7280;
  --radius: 14px;
  --container: 1180px;
}

/* ===========================
   CONTAINER
=========================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 22px;
}

/* ===========================
   NAVBAR
=========================== */
.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: all 0.3s ease;
}
.navbar.nav-scrolled {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  background: rgba(255,255,255,1);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: cover;
}
.brand-name {
  font-size: 1.4rem;
  font-weight: 800;
}
.nav-links a {
  margin-left: 12px;
  transition: all 0.25s ease;
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
}
.btn.primary {
  background: var(--accent);
  color: #fff;
}
.btn.primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(75,123,236,0.25);
}
.btn.ghost {
  border: 1px solid rgba(0,0,0,0.08);
  color: #111;
  background: #fff;
  font-weight: 700;
}
.btn.ghost:hover {
  background: #111;
  color: #fff;
  transform: translateY(-2px);
}
.btn.large {
  padding: 14px 28px;
  font-size: 1.05rem;
}
.pulse-btn {
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===========================
   HERO SECTION
=========================== */
.hero {
  position: relative;
  height: 88vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  overflow: hidden;
  background: #000;
}

.hero-video {
  position: relative;
  z-index: 1;
  width: 50%;
  height: 88vh;
  object-fit: contain;
  border-radius: 12px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: white;
  max-width: 50%;
  text-align: left;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 1.2rem;
  opacity: 0.95;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 14px;
}

/* ===========================
   FEATURES SECTION
=========================== */
.features {
  padding: 80px 0;
  background: #f9f9fb;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.feature-card {
  background: #fff;
  padding: 26px;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 36px rgba(0,0,0,0.12);
}
.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

/* ===========================
   CTA SECTION
=========================== */
.cta {
  background: var(--accent);
  color: #fff;
  padding: 80px 22px;
  text-align: center;
  border-radius: 14px;
}
.cta-inner h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}
.cta-inner p {
  margin-bottom: 24px;
  opacity: 0.95;
}

/* ===========================
   FOOTER
=========================== */
.footer {
  padding: 28px 22px;
  text-align: center;
  color: var(--text-muted);
  margin-top: 40px;
  font-size: 14px;
}

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===========================
   MEDIA QUERIES
=========================== */
@media(min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media(min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===========================
   AUTH PAGE
=========================== */
.auth-page {
  display:flex;
  min-height:100vh;
  background:#f7f8fb;
}
.auth-image {
  flex:1;
  background:#f0f4f8;
  display:flex;
  align-items:center;
  justify-content:center;
}
.auth-image img {
  max-width:80%;
  border-radius:12px;
  object-fit:cover;
}

.auth-form-container {
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px;
}
.auth-form-card {
  background:#fff;
  padding:40px;
  border-radius:16px;
  box-shadow:0 12px 28px rgba(0,0,0,0.12);
  width:100%;
  max-width:450px;
  text-align:left;
}
.auth-form-card h1 {
  font-size:2rem;
  margin-bottom:12px;
}
.auth-form-card p {
  margin-bottom:24px;
  color:#555;
}

.form-group {
  margin-bottom:18px;
  display:flex;
  flex-direction:column;
}
.form-group label {
  margin-bottom:6px;
  font-weight:500;
}
.form-group input {
  padding:10px 14px;
  border-radius:10px;
  border:1px solid #ccc;
  font-size:1rem;
  transition: all 0.25s ease;
}
.form-group input:focus {
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 8px rgba(75,123,236,0.2);
}

.auth-footer {
  margin-top:18px;
  font-size:0.9rem;
  color:#777;
}
.auth-footer a {
  color:var(--accent);
  text-decoration:none;
  font-weight:600;
}
.auth-footer a:hover {
  text-decoration:underline;
}

.form-msg {
  margin-top:10px;
  font-weight:600;
  font-size:0.9rem;
}
.auth-footer .btn-back {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 20px;
  border-radius: var(--radius);
  background: #ccc;
  color: #111;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
}
.auth-footer .btn-back:hover {
  background: #aaa;
  color: #fff;
}
.sidebar {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 25px 20px;
  background: #fff;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 260px;
  overflow-y: auto;
}

.btn-logout {
  margin-top: auto; /* pousse le bouton en bas */
  padding: 8px 0;
  width: 100%;
  border: none;
  border-radius: var(--radius);
  background: var(--orange);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: 0.18s;
}
.btn-logout:hover { background:#d46000; }
.right-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: #fff;
  box-shadow: -3px 0 12px rgba(0,0,0,0.15);
  padding: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.right-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.right-sidebar input, .right-sidebar textarea {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #ccc;
}