/* style.css - Version améliorée complète */

/* Reset et variables */
*{margin:0;padding:0;box-sizing:border-box}
:root{
    --strava-orange:#FC4C02;
    --gray-50:#f9fafb;
    --gray-100:#f3f4f6;
    --gray-200:#e5e7eb;
    --gray-300:#d1d5db;
    --gray-400:#9ca3af;
    --gray-500:#6b7280;
    --gray-600:#4b5563;
    --gray-700:#374151;
    --gray-800:#1f2937;
    --gray-900:#111827;
    --orange-600:#ea580c
}

/* Accessibilité */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--strava-orange);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Styles de base améliorés */
html{
    scroll-behavior:smooth;
    -webkit-font-smoothing:antialiased;
    scroll-padding-top:80px
}

body{
    font-family:'Inter',sans-serif;
    background-color:var(--gray-100);
    color:var(--gray-900);
    display:flex;
    flex-direction:column;
    min-height:100vh;
    line-height:1.5
}

/* Header amélioré */
header{
    width:100%;
    background-color:#fff;
    box-shadow:0 1px 3px 0 rgba(0,0,0,.1);
    position:sticky;
    top:0;
    z-index:50
}

nav{
    max-width:1280px;
    margin:0 auto;
    padding:1rem 1.5rem;
    display:flex;
    align-items:center;
    justify-content:space-between
}

.logo{
    font-size:1.875rem;
    font-weight:800;
    color:var(--strava-orange);
    display:flex;
    align-items:center
}

.logo svg{
    height:2rem;
    width:2rem;
    margin-right:.5rem
}

.logo .text-gray{
    color:var(--gray-900)
}

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

.nav-links a{
    color:var(--gray-600);
    text-decoration:none;
    font-weight:600;
    transition:color .3s ease;
    position:relative
}

.nav-links a:hover{
    color:var(--strava-orange)
}

.nav-links a::after{
    content:'';
    position:absolute;
    bottom:-4px;
    left:0;
    width:0;
    height:2px;
    background-color:var(--strava-orange);
    transition:width .3s ease
}

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

.nav-btn-upload {
    background-color: var(--strava-orange);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
    text-transform: none;
    letter-spacing: normal;
}

.nav-btn-upload:hover {
    background-color: var(--orange-600);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(252, 76, 2, 0.3);
}

@media (max-width:640px){
    .nav-links a{display:none}
    .logo{font-size:1.5rem}
}

/* Hero Section améliorée */
.hero-section{
    position:relative;
    padding:6rem 1rem;
    background-color:var(--gray-900);
    color:#fff;
    text-align:center;
    overflow:hidden
}

@media (min-width:1024px){
    .hero-section{padding:10rem 1rem}
}

.hero-bg{
    position:absolute;
    inset:0;
    z-index:0;
    opacity:.7;
    background-image:radial-gradient(circle at 10% 20%,rgba(252,76,2,.1) 0%,rgba(252,76,2,0) 60%),radial-gradient(circle at 90% 80%,rgba(107,114,128,.1) 0%,rgba(107,114,128,0) 60%);
    background-size:200% 200%;
    animation:gradientShift 15s ease infinite
}

.hero-content{
    position:relative;
    max-width:1280px;
    margin:0 auto;
    z-index:10
}

/* Titre principal en orange */
.hero-title-orange {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
    color: var(--strava-orange);
}

.hero-subtitle{
    display:block;
    font-size:1.5rem;
    color:var(--gray-300);
    margin-bottom:2rem;
    font-weight:600;
}

@media (min-width:1024px){
    .hero-title-orange{font-size: 3.5rem;}
    .hero-subtitle{font-size:1.75rem}
}

/* Hero Actions */
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.cta-button-primary, .cta-button-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.125rem;
}

.cta-button-primary {
    background: var(--strava-orange);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(252,76,2,.3);
}

.cta-button-primary:hover {
    background: var(--orange-600);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(252,76,2,.4);
}

.cta-button-secondary {
    background: transparent;
    color: var(--gray-300);
    border: 2px solid var(--gray-300);
}

.cta-button-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--strava-orange);
    color: white;
    transform: translateY(-2px);
}

.hero-note {
    font-size: 0.9rem;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Quick Tools Section */
.quick-tools {
    padding: 4rem 1rem;
    background: var(--gray-50);
}

.tools-container {
    max-width: 900px;
    margin: 0 auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    border-top: 4px solid var(--strava-orange);
}

.tool-card h3 {
    margin-bottom: 1rem;
    color: var(--gray-800);
    font-size: 1.25rem;
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: var(--gray-100);
    border: 2px dashed var(--gray-300);
    border-radius: 8px;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    cursor: pointer;
    font-family: inherit;
}

.tool-btn:hover {
    border-color: var(--strava-orange);
    background: rgba(252,76,2,0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(252,76,2,0.1);
}

.tool-card p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Sports Section */
.sports-section {
    padding: 4rem 1rem;
    background: white;
}

.sports-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.sports-section h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 3rem;
}

.sports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.sport-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--gray-50);
    border-radius: 12px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.sport-item:hover {
    border-color: var(--strava-orange);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(252,76,2,0.1);
}

.sport-item i {
    font-size: 2.5rem;
    color: var(--strava-orange);
}

.sport-item span {
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
}

/* Section SEO Content */
.seo-content-section {
    padding: 4rem 1rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.seo-container {
    max-width: 1280px;
    margin: 0 auto;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.seo-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--strava-orange);
}

.seo-card h3 {
    color: var(--gray-900);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.seo-card ul {
    list-style: none;
    padding-left: 0;
}

.seo-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.seo-card li::before {
    content: "✓";
    color: var(--strava-orange);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.seo-card a{
    color:var(--strava-orange);
    font-weight:600;
    text-decoration:underline;
    text-decoration-thickness:1px;
    text-underline-offset:2px;
    transition:all .3s ease
}

.seo-card a:hover{
    color:var(--orange-600);
    text-decoration-thickness:2px;
    text-underline-offset:3px
}

.seo-card a:visited{
    color:#d97706
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.format-item {
    text-align: center;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

.format-item strong {
    display: block;
    color: var(--strava-orange);
    margin-bottom: 0.25rem;
}

.format-item span {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Feature cards améliorées */
.feature-card-link {
    text-decoration: none;
    color: inherit;
}

.feature-card{
    background-color:#fff;
    padding:2rem;
    border-radius:.75rem;
    box-shadow:0 10px 15px -3px rgba(0,0,0,.1);
    border:2px solid var(--gray-200);
    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
    height:100%;
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
    position: relative;
}

.feature-card:hover{
    transform:translateY(-5px);
    box-shadow:0 15px 30px -5px rgba(252,76,2,.3),0 4px 6px -2px rgba(252,76,2,.1);
    border-color:var(--strava-orange)
}

.feature-cta {
    margin-top: auto;
    padding-top: 1rem;
    color: var(--strava-orange);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-cta {
    transform: translateX(5px);
}

.feature-icon{
    font-size:3rem;
    color:var(--strava-orange);
    margin-bottom:1rem;
    transition:transform .3s ease
}

.feature-card:hover .feature-icon{
    transform:scale(1.2) rotate(5deg)
}

.feature-card h3{
    font-size:1.5rem;
    font-weight:700;
    color:var(--gray-900);
    margin-bottom:.5rem
}

.feature-card p{
    color:var(--gray-600);
    margin-bottom: 1rem;
}

/* Styles des liens hypertextes */
a{
    color:var(--strava-orange);
    text-decoration:none;
    transition:color .3s ease,text-decoration .3s ease
}

a:hover{
    color:var(--orange-600);
    text-decoration:underline
}

a:visited{
    color:#d97706
}

a:focus{
    outline:2px solid var(--strava-orange);
    outline-offset:2px;
    border-radius:2px
}

/* Exceptions pour boutons et cartes cliquables */
.feature-card-link,
.cta-button-primary,
.cta-button-secondary,
.tool-btn,
.contact-button,
.nav-links a{
    text-decoration:none !important
}

.feature-card-link:visited,
.cta-button-primary:visited,
.cta-button-secondary:visited,
.tool-btn:visited,
.contact-button:visited{
    color:inherit
}

/* Reste du CSS existant amélioré */
.separator-top{height:2.5rem;background-color:var(--gray-900);margin-top:-2.5rem;position:relative;z-index:10;clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 40px))}
.separator-bottom{height:2.5rem;background-color:var(--gray-100);margin-top:-2.5rem;position:relative;z-index:0}

.features-section{padding:5rem 1rem;background-color:var(--gray-100)}
.features-container{max-width:1280px;margin:0 auto}
.features-section h2{font-size:2.25rem;font-weight:800;text-align:center;margin-bottom:4rem;color:var(--gray-900)}
.features-grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media (min-width:768px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.features-grid{grid-template-columns:repeat(3,1fr)}}

.contact-section{padding:5rem 1rem;background-color:#fff;border-top:1px solid var(--gray-200)}
.contact-container{max-width:56rem;margin:0 auto;text-align:center}
.contact-section h2{font-size:2.25rem;font-weight:700;color:var(--gray-900);margin-bottom:1.5rem}
.contact-section p{font-size:1.125rem;color:var(--gray-600);margin-bottom:2rem;font-weight:300}
.contact-footer-link{display:inline-block;background-color:var(--gray-900);color:var(--strava-orange);font-weight:700;padding:.75rem 2rem;border-radius:9999px;box-shadow:0 10px 15px -3px rgba(0,0,0,.1);transition:background-color .3s ease;text-decoration:none;border:2px solid var(--strava-orange)}
.contact-footer-link:hover{background-color:var(--gray-700)}
.contact-footer-link i{margin-left:.5rem}

/* Footer */
footer[role="contentinfo"] {
    width: 100%;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: 2rem 1rem;
    text-align: center;
    color: var(--gray-300);
    font-size: 0.875rem;
    border-top: 3px solid var(--strava-orange);
    margin-top: 2rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

footer[role="contentinfo"] p {
    margin-bottom: 1rem;
    color: var(--gray-100);
    font-weight: 500;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.footer-links a:hover {
    color: var(--strava-orange);
    background: rgba(252, 76, 2, 0.1);
}

.footer-links a:not([href*="strava"]):hover {
    transform: translateY(-2px);
}

/* Style spécial pour le badge Strava */
.footer-links a[href*="strava"] {
    display: inline-block;
    background-color: #FC5200;
    color: #fff;
    padding: 5px 10px 5px 30px;
    font-size: 11px;
    font-family: Helvetica, Arial, sans-serif;
    white-space: nowrap;
    text-decoration: none;
    background-repeat: no-repeat;
    background-position: 10px center;
    border-radius: 3px;
    background-image: url('https://badges.strava.com/logo-strava-echelon.png');
    transition: all 0.3s ease;
}

.footer-links a[href*="strava"]:hover {
    background-color: #e04800;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(252, 82, 0, 0.3);
}

.footer-links a[href*="strava"] img {
    margin-left: 2px;
    vertical-align: text-bottom;
}

@media (max-width: 768px) {
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    footer[role="contentinfo"] {
        padding: 1.5rem 1rem;
    }
    
    .footer-links a {
        font-size: 0.8125rem;
    }
}

.overlay{position:fixed;inset:0;background-color:rgba(17,24,39,.8);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;padding:1rem;z-index:50}
.overlay.active{display:flex}
.overlay-content{background-color:#fff;border-radius:.5rem;padding:2rem;max-width:42rem;width:100%;max-height:90vh;overflow-y:auto}
.overlay-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.overlay-header h3{font-size:1.875rem;font-weight:700;color:var(--gray-900)}
.overlay-close{color:var(--gray-500);font-size:1.5rem;background:none;border:none;cursor:pointer;transition:color .3s ease}
.overlay-close:hover{color:var(--strava-orange)}
.overlay-text{color:var(--gray-700)}
.overlay-text p{margin-bottom:1.5rem}
.overlay-text .question{font-weight:600;color:var(--strava-orange);font-size:1.1rem;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}
.overlay-text .section-title{font-weight:600;font-size:1.125rem;color:var(--gray-900);margin-top:1.5rem}
.overlay-text a{
    color:var(--strava-orange);
    text-decoration:underline;
    text-decoration-thickness:1px;
    text-underline-offset:2px;
    font-weight:600;
    transition:all .3s ease
}

.overlay-text a:hover{
    color:var(--orange-600);
    text-decoration-thickness:2px;
    text-underline-offset:3px
}

.overlay-text a:visited{
    color:#d97706
}
.highlight{color:var(--strava-orange)}
body.overlay-open{overflow:hidden}
.faq-list{margin-left:1.5rem;margin-bottom:1rem}
.faq-list li{margin-bottom:.5rem;padding-left:.5rem}
.faq-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:1rem 0}
.faq-feature-item{background:var(--gray-50);padding:1rem;border-radius:.5rem;border-left:4px solid var(--strava-orange)}
.faq-compatibility-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1rem 0}
.compatibility-item{text-align:center;padding:.5rem;background:var(--gray-50);border-radius:.5rem}
.security-badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--gray-100);padding:.5rem 1rem;border-radius:2rem;margin:.25rem;font-size:.9rem}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.8}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes gradientShift{0%{background-position:0 50%}50%{background-position:100% 50%}100%{background-position:0 50%}}

header{animation:slideDown .5s ease-out}
.hero-content{animation:fadeIn .8s ease-out}
.feature-card{animation:fadeIn .6s ease-out backwards}
.feature-card:nth-child(1){animation-delay:.1s}
.feature-card:nth-child(2){animation-delay:.2s}
.feature-card:nth-child(3){animation-delay:.3s}
.feature-card:nth-child(4){animation-delay:.4s}
.feature-card:nth-child(5){animation-delay:.5s}
.feature-card:nth-child(6){animation-delay:.6s}
.feature-card:nth-child(7){animation-delay:.7s}
.feature-card:nth-child(8){animation-delay:.8s}

.tool-card{animation:fadeIn .6s ease-out backwards}
.tool-card:nth-child(1){animation-delay:.1s}
.tool-card:nth-child(2){animation-delay:.2s}
.tool-card:nth-child(3){animation-delay:.3s}

.sport-item{animation:fadeIn .6s ease-out backwards}
.sport-item:nth-child(1){animation-delay:.1s}
.sport-item:nth-child(2){animation-delay:.2s}
.sport-item:nth-child(3){animation-delay:.3s}
.sport-item:nth-child(4){animation-delay:.4s}
.sport-item:nth-child(5){animation-delay:.5s}
.sport-item:nth-child(6){animation-delay:.6s}

.overlay{transition:opacity .3s ease}
.overlay.active .overlay-content{animation:fadeIn .3s ease-out}

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

/* Scrollbar personnalisée */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--gray-100)}
::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--strava-orange)}

/* Responsive amélioré */
@media (max-width:640px){
    .hero-title-orange{font-size:2rem}
    .hero-subtitle{font-size:1.25rem}
    .hero-actions{flex-direction:column;align-items:center}
    .cta-button-primary, .cta-button-secondary{width:100%;justify-content:center}
    .features-section h2{font-size:1.875rem}
    .contact-section h2{font-size:1.875rem}
    .sports-grid{grid-template-columns:repeat(2,1fr)}
    .tools-grid{grid-template-columns:1fr}
    .faq-feature-grid,.faq-compatibility-grid{grid-template-columns:1fr}
    .overlay-content{margin:1rem;padding:1.5rem}
    .seo-grid{grid-template-columns:1fr}
    .format-grid{grid-template-columns:repeat(2,1fr)}
    .seo-card{padding:1.5rem}
}

@media (max-width:768px){
    .sports-section h2{font-size:1.875rem}
    .features-grid{grid-template-columns:1fr}