/* Echo Design - Design moderne et épuré pour le thème WordPress */
/* Version: 1.0.0 */
/* Auteur: Echo Theme */

/* ===========================
   Variables CSS
   =========================== */
:root {
    --sage: #B8D4C8;
    --lavender: #E6D7FF;
    --peach: #FFD6CC;
    --sky: #C7E3FF;
    --butter: #FFF4D6;
    --rose: #FFE0EC;
    --mint: #D4F1E8;
    --cream: #FFF9F5;
    --dark-sage: #6B8B7D;
    --dark-text: #3D4F4A;
    --glass: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
}

/* ===========================
   Reset et Base
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--cream);
    color: var(--dark-text);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--lavender) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--sage) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, var(--peach) 0%, transparent 50%);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}

/* ===========================
   Bandeau de statut
   =========================== */
.status-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--sage), var(--mint));
    padding: 0.5rem 1rem;
    z-index: 200;
    text-align: center;
    box-shadow: 0 2px 8px rgba(107, 139, 125, 0.2);
}

.status-banner-content {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.02em;
}

/* ===========================
   Navigation
   =========================== */
nav.echo-nav {
    position: fixed;
  width: 100%;
  top: 36px; /* Décalage pour le bandeau de statut */
  z-index: 100;
    padding: 2rem 3rem;
    background: rgba(255, 249, 245, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: box-shadow 0.3s ease;
}

.nav-container {
    max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    color: var(--dark-sage);
    text-decoration: none;
    position: relative;
  display: flex;
  align-items: center;
}

.logo svg {
    display: inline-block;
    width: 35px;
    height: 35px;
    margin-right: 10px;
}

.nav-links {
  display: flex;
    gap: 3rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Lien fixe additionnel (au cas où le menu WP ne contient pas l'entrée) */
.nav-links--fixed {
    display: flex;
    gap: 3rem;
    list-style: none;
    margin: 0;
    padding: 0 0 0 2rem;
}

.nav-links--fixed a {
    color: var(--dark-text);
    text-decoration: none;
    position: relative;
}

.nav-links--fixed a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sage), var(--lavender));
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

.nav-links li {
    margin: 0;
}

.nav-links a {
    color: var(--dark-text);
  text-decoration: none;
  font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sage), var(--lavender));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links .current-menu-item a::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
  cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--dark-sage);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
    padding: 0 3rem;
    margin-top: 96px; /* espace sous bandeau + nav */
  position: relative;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.1;
  margin-bottom: 2rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--dark-sage), var(--dark-text));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--dark-text);
  margin-bottom: 3rem;
    opacity: 0.8;
}

.cta-group {
  display: flex;
    gap: 1.5rem;
  flex-wrap: wrap;
}

.glass-btn {
    padding: 1rem 2rem;
    border-radius: 100px;
  text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  display: inline-block;
}

.glass-btn-primary {
    background: linear-gradient(135deg, var(--sage), var(--mint));
    color: white;
    border: 2px solid transparent;
}

.glass-btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(107, 139, 125, 0.3);
}

.glass-btn-secondary {
    background: var(--glass);
    color: var(--dark-sage);
    border: 2px solid var(--glass-border);
}

.glass-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.voice-visualization {
    width: 400px;
    height: 400px;
    position: relative;
}

/* ===========================
   Stats Section
   =========================== */
.stats {
    padding: 6rem 3rem;
    position: relative;
    background: linear-gradient(180deg, #FFFAF5 0%, #FFF9F5 100%); /* Blanc écru */
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-sage);
    text-align: center;
}

.section-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.9;
    color: var(--dark-text);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    justify-items: center;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 100%;
        padding: 0;
    }
    
    .stat-card {
        min-height: auto;
        padding: 2.5rem 2rem;
        max-width: 100%;
        width: calc(100% - 2rem);
        margin: 0 auto;
    }
    
    .stat-number {
        font-size: 3rem;
        margin-bottom: 1rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        gap: 1.5rem;
    }
    
    .stat-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
}

.stat-card {
    position: relative;
    padding: 4rem 3rem;
    background: var(--dark-sage);
    border-radius: 32px;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 12px 48px rgba(107, 139, 125, 0.4);
    min-height: 350px;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: scale(1);
    overflow: visible;
}

.stat-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 60px rgba(107, 139, 125, 0.5);
}


.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 4.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 0.9;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1.3rem;
    color: white;
    opacity: 0.95;
    line-height: 1.5;
    font-weight: 600;
    text-align: center;
    max-width: 280px;
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: 6rem 3rem;
    position: relative;
}

.features-container {
    max-width: 1400px;
  margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    justify-items: center;
}

.feature-blob {
    position: relative;
    padding: 3rem;
    min-height: 300px;
    max-width: 450px;
    width: 100%;
    background: linear-gradient(135deg, 
        rgba(212, 241, 232, 0.5) 0%, 
        rgba(230, 215, 255, 0.3) 100%);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s ease;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.feature-blob:nth-child(even) {
    border-radius: 40% 60% 70% 30% / 30% 70% 40% 60%;
    background: linear-gradient(135deg, 
        rgba(199, 227, 255, 0.5) 0%, 
        rgba(255, 224, 236, 0.3) 100%);
}

.feature-blob:hover {
    transform: scale(1.03) rotate(-2deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon-box {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    transform: rotate(-5deg);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.feature-blob:hover .feature-icon-box {
    transform: rotate(0deg) scale(1.1);
}

.feature-icon-box svg {
    width: 40px;
    height: 40px;
}

.feature-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-text);
    line-height: 1.2;
}

.feature-text {
    opacity: 0.8;
    line-height: 1.6;
    flex-grow: 1;
}

/* ===========================
  Mission Banner
  =========================== */
.mission-banner {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--sage) 0%, var(--mint) 100%);
    position: relative;
    overflow: hidden;
}

.mission-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.mission-banner::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.mission-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.mission-content {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.mission-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-sage);
    line-height: 1.4;
    margin: 0;
    position: relative;
}

.mission-text::before {
    content: '"';
    position: absolute;
    left: -2rem;
    top: -1rem;
    font-size: 4rem;
    color: var(--sage);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.mission-text::after {
    content: '"';
    position: absolute;
    right: -2rem;
    bottom: -2rem;
    font-size: 4rem;
    color: var(--sage);
    opacity: 0.3;
    font-family: Georgia, serif;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mission-banner {
        padding: 3rem 1rem;
    }
    
    .mission-content {
        padding: 1.5rem;
        border-radius: 20px;
    }
    
    .mission-text {
        font-size: 1.3rem;
    }
    
    .mission-text::before,
    .mission-text::after {
        font-size: 2.5rem;
    }
    
    .mission-text::before {
        left: -1rem;
        top: -0.5rem;
    }
    
    .mission-text::after {
        right: -1rem;
        bottom: -1rem;
    }
}

/* ===========================
  Transparency Section
  =========================== */
.transparency {
    padding: 6rem 3rem;
    background: linear-gradient(180deg, var(--cream) 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.transparency::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184, 212, 200, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.transparency .container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.transparency .section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark-sage);
    text-align: center;
    margin-bottom: 1rem;
}

.transparency .section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 4rem;
    opacity: 0.8;
}

.transparency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.transparency-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 32px;
    padding: 2.5rem;
    min-height: 380px;
    box-shadow: 0 10px 40px rgba(107, 139, 125, 0.1);
    border: 1px solid rgba(184, 212, 200, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.transparency-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sage), var(--mint));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.transparency-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(107, 139, 125, 0.2);
    border-color: var(--sage);
}

.transparency-card:hover::before {
    opacity: 1;
}

.transparency-card.full-width {
    grid-column: 1 / -1;
}

.card-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(184, 212, 200, 0.15), rgba(212, 241, 232, 0.15));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.transparency-card:hover .card-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.card-icon-wrapper svg {
    width: 32px;
    height: 32px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin: 0 0 1.5rem 0;
    font-family: 'Montserrat', sans-serif;
    min-height: 2rem;
    display: flex;
    align-items: center;
}

.card-content {
    color: var(--gray-600);
    font-family: 'Montserrat', sans-serif;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.styled-list,
.progress-list,
.limitations-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    flex: 1;
}

.styled-list li,
.progress-list li,
.limitations-list li {
    padding: 0.6rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
}

.styled-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 6px;
    height: 6px;
    background: var(--sage);
    border-radius: 50%;
}

.progress-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, var(--sage), var(--mint));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-list li::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 8px;
    width: 8px;
    height: 4px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg);
}

.limitations-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    background: rgba(231, 76, 60, 0.15);
    border: 2px solid #e74c3c;
    border-radius: 50%;
}

.progress-list li,
.limitations-list li {
    padding-left: 2rem;
}

.warning-note {
    margin-top: auto;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.08), rgba(255, 193, 7, 0.03));
    border-left: 4px solid #ffc107;
    border-radius: 12px;
    font-weight: 600;
    color: var(--dark-text);
    font-size: 0.9rem;
}

.info-note {
    margin-top: auto;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.08), rgba(255, 193, 7, 0.03));
    border-left: 4px solid #ffc107;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--dark-text);
}

.status-badge {
    margin-top: auto;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(184, 212, 200, 0.15), rgba(212, 241, 232, 0.15));
    border: 1px solid rgba(184, 212, 200, 0.3);
    border-radius: 16px;
    text-align: center;
    font-weight: 600;
    color: var(--dark-sage);
    font-size: 0.9rem;
}

/* Regulatory Path */
.regulatory-path {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(184, 212, 200, 0.05), rgba(212, 241, 232, 0.05));
    border-radius: 20px;
    flex-wrap: wrap;
    gap: 2rem;
}

.path-step {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex: 1;
    min-width: 150px;
}

.step-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--sage), var(--mint));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(107, 139, 125, 0.3);
    transition: transform 0.3s ease;
}

.path-step:hover .step-number {
    transform: scale(1.1);
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-text);
    margin: 0 0 0.25rem 0;
    font-family: 'Montserrat', sans-serif;
}

.step-content p {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin: 0;
    opacity: 0.8;
}

.path-arrow {
    margin: 0 0.5rem;
    display: flex;
    align-items: center;
}

.path-arrow svg {
    width: 40px;
    height: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .transparency {
        padding: 3rem 1rem;
    }
    
    .transparency .section-title {
        font-size: 2rem;
    }
    
    .transparency .section-subtitle {
        font-size: 1rem;
    }
    
    .transparency-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .transparency-card {
        padding: 1.5rem;
    }
    
    .card-header h3 {
        font-size: 1.25rem;
    }
    
    .regulatory-path {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .path-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }
}

/* ===========================
  Research Data Section
  =========================== */
.research-data {
    padding: 6rem 3rem;
    background: linear-gradient(180deg, #ffffff 0%, var(--cream) 50%, #ffffff 100%);
    position: relative;
}

.research-data .container {
    max-width: 1200px;
    margin: 0 auto;
}

.research-data .section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark-sage);
    text-align: center;
    margin-bottom: 1rem;
}

.research-data .section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.research-description {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(184, 212, 200, 0.08), rgba(212, 241, 232, 0.05));
    border-radius: 20px;
    border: 1px solid rgba(184, 212, 200, 0.2);
}

.research-description p {
    font-size: 1.15rem;
    color: var(--dark-text);
    line-height: 1.7;
    margin: 0;
    font-weight: 500;
}

.voice-research {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 0;
}

.voice-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-sage);
    text-align: center;
    margin-bottom: 3rem;
    font-family: 'Montserrat', sans-serif;
}

.research-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.research-point {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    padding: 2.25rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(184, 212, 200, 0.2);
    transition: all 0.3s ease;
    position: relative;
    min-height: 220px;
}

.research-point::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--sage), var(--mint));
    border-radius: 20px 0 0 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.research-point:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.research-point:hover::before {
    opacity: 1;
}

.paper-link {
    flex-shrink: 0;
    text-decoration: none;
    display: block;
    position: relative;
}

.paper-preview {
    width: 160px;
    height: 200px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(184, 212, 200, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    background: linear-gradient(145deg, #ffffff 0%, #f8fdfb 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.paper-preview::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, var(--sage), var(--mint));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.3;
    transition: opacity 0.4s ease;
}

.paper-preview:hover::after {
    opacity: 0.8;
}

.paper-preview:hover {
    box-shadow: 0 20px 40px rgba(184, 212, 200, 0.25);
    transform: translateY(-10px) scale(1.03);
}

.paper-preview::before {
    content: '';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--sage), var(--mint));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
}

.paper-preview:hover::before {
    opacity: 1;
    transform: scale(1.1);
}

.paper-link::after {
    content: '↗';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
    z-index: 11;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.paper-link:hover::after {
    opacity: 1;
}

.paper-screenshot {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #fafffe 100%);
}

.paper-header {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 10px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.pmc-article .paper-header {
    background: linear-gradient(135deg, var(--sage), var(--dark-sage));
    color: white;
}

.nature-article .paper-header {
    background: linear-gradient(135deg, var(--mint), var(--sage));
    color: white;
}

.paper-title {
    font-size: 0.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--dark-sage), var(--sage));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.4;
    margin-bottom: auto;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 0.25rem;
}

.paper-journal {
    font-size: 0.6rem;
    color: var(--sage);
    font-weight: 600;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 2px solid rgba(184, 212, 200, 0.2);
    text-align: center;
    letter-spacing: 0.05em;
}

/* Graphique stylisé Echo */
.paper-screenshot::after {
    content: '';
    position: absolute;
    bottom: 35%;
    left: 1rem;
    right: 1rem;
    height: 50px;
    background: url("data:image/svg+xml,%3Csvg width='100' height='50' viewBox='0 0 100 50' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 25C10 25 10 15 20 15C30 15 30 35 40 35C50 35 50 20 60 20C70 20 70 30 80 30C90 30 90 25 100 25' stroke='%23B8D4C8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center no-repeat;
    background-size: contain;
    opacity: 0.4;
    pointer-events: none;
}

/* Indicateurs visuels Echo */
.paper-screenshot::before {
    content: '';
    position: absolute;
    bottom: 28%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--mint) 20%, 
        var(--sage) 50%, 
        var(--mint) 80%, 
        transparent 100%);
    border-radius: 2px;
    opacity: 0.5;
    pointer-events: none;
}

.point-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.point-text {
    font-size: 1.25rem;
    color: var(--gray-700);
    line-height: 1.75;
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    max-width: 950px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .research-data {
        padding: 4rem 1.5rem;
    }
    
    .research-data .section-title {
        font-size: 2rem;
    }
    
    .research-data .section-subtitle {
        font-size: 1rem;
    }
    
    .research-description {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .research-description p {
        font-size: 1rem;
    }
    
    .voice-research {
        padding: 2rem 0;
    }
    
    .voice-title {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .research-points {
        gap: 1.5rem;
    }
    
    .research-point {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.75rem 1.25rem;
        gap: 1rem;
        min-height: 200px;
    }
    
    .research-point:hover {
        transform: translateX(0) translateY(-4px);
    }
    
    .paper-preview {
        width: 120px;
        height: 150px;
        border-radius: 16px;
    }
    
    .paper-preview::before {
        width: 24px;
        height: 24px;
        top: 8px;
        right: 8px;
    }
    
    .paper-link::after {
        width: 24px;
        height: 24px;
        font-size: 14px;
        top: 8px;
        right: 8px;
    }
    
    .paper-screenshot {
        padding: 0.75rem;
    }
    
    .paper-header {
        font-size: 0.55rem;
        padding: 0.3rem 0.4rem;
        margin-bottom: 0.5rem;
        border-radius: 8px;
    }
    
    .paper-title {
        font-size: 0.65rem;
        -webkit-line-clamp: 3;
    }
    
    .paper-journal {
        font-size: 0.55rem;
        margin-top: 0.5rem;
        padding-top: 0.5rem;
    }
    
    .paper-screenshot::after {
        height: 35px;
        bottom: 34%;
    }
    
    .paper-screenshot::before {
        height: 2px;
        bottom: 28%;
    }
    
    .point-text {
        font-size: 1.05rem;
    }
}

/* ===========================
  Workflow Section
   =========================== */
.workflow {
    padding: 6rem 3rem;
    position: relative;
    background: linear-gradient(180deg, var(--cream) 0%, #ffffff 100%);
    overflow: hidden;
}

/* Pattern décoratif subtil comme transparency */
.workflow::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(184, 212, 200, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatSlow 25s ease-in-out infinite;
}

@keyframes floatSlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.workflow-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.workflow-visual {
    margin-top: 4rem;
  position: relative;
}

.workflow-path {
    display: flex;
    justify-content: space-between;
    align-items: center;
  position: relative;
}

.workflow-path::before {
    content: '';
  position: absolute;
    top: 50%;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--sage) 0%, 
        var(--lavender) 50%, 
        var(--peach) 100%);
    opacity: 0.3;
    z-index: 0;
}

.workflow-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    width: 280px;
    min-height: 320px;
    padding: 3.5rem 2.5rem 2.5rem;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
    clip-path: polygon(20% 0%, 100% 0, 100% 80%, 80% 100%, 0 100%, 0% 20%);
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.workflow-card:nth-child(2) {
    clip-path: polygon(0 0, 100% 0%, 100% 100%, 20% 100%, 0% 80%);
}

.workflow-card:nth-child(3) {
    clip-path: polygon(0 0, 80% 0%, 100% 20%, 100% 100%, 0 100%);
}

.workflow-card:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

/* Numéros workflow retirés */

.workflow-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
}

.workflow-icon svg {
    width: 100%;
    height: 100%;
}

.workflow-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-sage);
}

.workflow-desc {
    font-size: 0.9rem;
    opacity: 0.7;
    line-height: 1.4;
}

/* ===========================
   Footer
   =========================== */
footer.echo-footer {
    padding: 4rem 3rem;
    background: linear-gradient(135deg, var(--dark-sage), #5a7a6d);
    color: var(--cream);
    text-align: center;
    position: relative;
    overflow: hidden;
}

footer.echo-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    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='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    opacity: 0.8;
    margin-bottom: 3rem;
    font-style: italic;
}

.compliance-tags {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.6rem 1.8rem;
    border-radius: 100px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.tag svg {
    width: 16px;
    height: 16px;
}

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

.animate-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    /* Navigation Mobile */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 249, 245, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero Mobile */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .voice-visualization {
        width: 240px;
        height: 240px;
        margin: 0 auto;
    }
    
    .cta-group {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .glass-btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Workflow Mobile */
    .workflow-path {
        flex-direction: column;
        gap: 3rem;
    }
    
    .workflow-path::before {
        display: none;
    }
    
    .workflow-card {
        clip-path: none;
        border-radius: 20px;
        width: 100%;
        max-width: 100%;
        padding: 2.5rem 2rem;
        margin: 0 auto;
    }
    
    .workflow-title {
        font-size: 1.25rem;
    }
    
    .workflow-desc {
        font-size: 0.85rem;
    }
    
    /* Features Mobile */
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .feature-blob {
        border-radius: 24px;
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
        min-height: auto;
        overflow: visible;
    }
    
    .feature-title {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }
    
    .feature-text {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    /* General Mobile Adjustments */
    .hero {
        padding: 2rem 1rem;
        min-height: auto;
        margin-top: 80px;
    }
    
    .stats,
    .features,
    .workflow {
        padding: 3rem 1rem;
    }
    
    nav.echo-nav {
        padding: 0.75rem 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 1rem;
        line-height: 1.4;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
}

/* ===========================
   Accessibility
   =========================== */
.screen-reader-text {
  position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

a:focus,
button:focus {
    outline: 2px solid var(--dark-sage);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --glass: rgba(255, 255, 255, 0.5);
        --glass-border: rgba(0, 0, 0, 0.3);
    }
}

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

/* ===========================
   Print Styles
   =========================== */
@media print {
    nav.echo-nav,
    .cta-group,
    footer.echo-footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero,
    .stats,
    .features,
    .workflow {
        page-break-inside: avoid;
    }
}