/* ========================================
   LOCKLEAD - CHARTE GRAPHIQUE v1.0
   Décembre 2025
   ======================================== */

/* Import Montserrat */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

/* CSS Variables - Couleurs */
:root {
    /* Couleurs principales */
    --color-primary: #1a365d;      /* Bleu LockLead */
    --color-accent: #e85d04;       /* Orange LockLead */
    --color-accent-hover: #d45403; /* Orange hover */
    
    /* Couleurs secondaires */
    --color-white: #FFFFFF;
    --color-bg-light: #F5F7FA;     /* Gris clair - fond secondaire */
    --color-text: #333333;         /* Gris foncé - texte principal */
    --color-text-secondary: #666666; /* Gris moyen - texte secondaire */
    --color-success: #22c55e;      /* Vert succès */
    --color-error: #ef4444;        /* Rouge erreur */
    --color-border: #CCCCCC;
    
    /* Espacements (base 8px) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Typographie */
    --font-family: 'Montserrat', Arial, Helvetica, sans-serif;
    
    /* Rayons de bordure */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Ombres */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typographie */
h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: var(--space-md);
}

p {
    margin-bottom: var(--space-md);
}

.text-secondary {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-accent);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
header {
    background: var(--color-white);
    padding: var(--space-md) 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
}

.logo-text .lock {
    color: var(--color-primary);
}

.logo-text .lead {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-accent);
}

/* ========================================
   BOUTONS
   ======================================== */

/* Bouton principal (CTA) */
.btn-primary {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white) !important;
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-white) !important;
    transform: translateY(-2px);
}

/* Bouton large */
.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* Bouton secondaire */
.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    padding: 10px 22px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-primary);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Full width button */
.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d4a7c 100%);
    color: var(--color-white);
    padding: 160px 0 100px;
    text-align: center;
}

.hero h1 {
    color: var(--color-white);
    font-size: 52px;
    margin-bottom: var(--space-lg);
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero .btn-primary {
    background: var(--color-accent);
    font-size: 18px;
    padding: 16px 40px;
}

.hero .btn-primary:hover {
    background: var(--color-white);
    color: var(--color-accent) !important;
    transform: scale(1.05);
}

/* Tagline */
.tagline {
    font-size: 18px;
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero .tagline {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-light);
}

.features h2 {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */
.how-it-works {
    padding: var(--space-3xl) 0;
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: var(--space-xl);
    counter-reset: step;
}

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

.step::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 24px;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
}

.step h3 {
    margin-bottom: var(--space-sm);
}

.step p {
    color: var(--color-text-secondary);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

/* ========================================
   PRICING
   ======================================== */
.pricing {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-light);
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.pricing-card {
    background: var(--color-white);
    max-width: 500px;
    margin: 0 auto;
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
}

.pricing-card h1 {
    font-size: 32px;
    margin-bottom: var(--space-md);
}

.price {
    font-size: 64px;
    font-weight: 700;
    color: var(--color-accent);
    margin: var(--space-xl) 0;
}

.price span {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.pricing-features {
    text-align: left;
    margin: var(--space-xl) 0;
    list-style: none;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 16px;
    border-bottom: 1px solid var(--color-bg-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features .check {
    color: var(--color-success);
    font-weight: bold;
    font-size: 18px;
}

/* ========================================
   FORMULAIRES
   ======================================== */
.form-container {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--space-2xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-secondary);
}

.form-error {
    color: var(--color-error);
    font-size: 14px;
    margin-top: var(--space-xs);
}

/* ========================================
   MESSAGES D'ALERTE
   ======================================== */
.alert {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 14px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.alert-info {
    background: rgba(26, 54, 93, 0.1);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

/* ========================================
   DASHBOARD
   ======================================== */
.dashboard-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 100px 0 var(--space-xl);
}

.dashboard-header h1 {
    color: var(--color-white);
    font-size: 32px;
    margin-bottom: var(--space-sm);
}

.dashboard-header p {
    opacity: 0.8;
    margin-bottom: 0;
}

.dashboard-content {
    padding: var(--space-xl) 0;
    background: var(--color-bg-light);
    min-height: calc(100vh - 200px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.stat-card .value {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-card .value.accent {
    color: var(--color-accent);
}

.dashboard-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: var(--space-lg);
}

.dashboard-card h2 {
    font-size: 20px;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-bg-light);
}

/* ========================================
   FOOTER
   ======================================== */
footer {
    background: #1f2937;
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

.footer-brand .logo-text {
    font-size: 20px;
    margin-bottom: var(--space-sm);
}

.footer-brand .tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-style: normal;
}

.footer-links {
    display: flex;
    gap: var(--space-2xl);
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
}

.footer-legal {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ========================================
   AUTH PAGES (Login/Register)
   ======================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-light);
    padding: var(--space-xl) var(--space-lg);
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.auth-card .logo-text {
    text-align: center;
    font-size: 28px;
    margin-bottom: var(--space-xl);
    display: block;
}

.auth-card h1 {
    font-size: 24px;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-bg-light);
}

.auth-footer p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ========================================
   SUCCESS PAGE
   ======================================== */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-light);
    text-align: center;
    padding: var(--space-lg);
}

.success-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    max-width: 500px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--color-success);
    color: var(--color-white);
    font-size: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.success-card h1 {
    font-size: 28px;
    margin-bottom: var(--space-md);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .nav-links {
        gap: var(--space-md);
    }
    
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .price {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    .form-container,
    .auth-card,
    .pricing-card {
        padding: var(--space-lg);
    }
}

/* ========================================
   UTILITIES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none; }