/* ----------------------------------------------------
   VINTAGE DIGITAL — DESIGN SYSTEM & TOKENS (LUXURY SILK LIGHT)
------------------------------------------------------- */

:root {
    /* Color Tokens (HSL) - Tech-Artisan Premium Light Theme */
    --bg-main: hsl(210, 40%, 98%);      /* Blanc de Glace / Ice White */
    --bg-alt: hsl(214, 32%, 91%);       /* Gris Aluminium / Aluminum Gray */
    --text-primary: hsl(222, 47%, 11%); /* Bleu Obsidienne / Obsidian Blue */
    --text-muted: hsl(215, 16%, 47%);   /* Gris d'Acier atténué */
    
    --color-gold: hsl(221, 83%, 53%);    /* Bleu Cobalt (anciennement color-gold pour compatibilité de classes, mais bleu désormais) */
    --color-orange: hsl(20, 90%, 48%);  /* Orange Ambre pour les actions */
    --color-emerald: hsl(152, 60%, 38%); /* Vert Menthe - Vitesse / Validation */
    --color-slate-dark: hsl(222, 47%, 11%);
    
    --accent-gradient: linear-gradient(135deg, var(--color-gold) 0%, hsl(221, 70%, 40%) 100%); /* Dégradé de Bleus Cobalt */
    --accent-gradient-hover: linear-gradient(135deg, hsl(221, 90%, 60%) 0%, hsl(221, 80%, 45%) 100%);
    
    --orange-gradient: linear-gradient(135deg, var(--color-orange) 0%, hsl(10, 85%, 45%) 100%); /* Dégradé Orange Ambre */
    --orange-gradient-hover: linear-gradient(135deg, hsl(20, 95%, 55%) 0%, hsl(10, 90%, 50%) 100%);

    /* Spacing & Layout Tokens */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Glossy Light Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.82);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-shadow: 0 12px 35px 0 rgba(15, 23, 42, 0.04);
}

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

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Typography elements */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glow Orbs in background (Warm Gold decorative lights) */
.glow-orb {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(160px);
    opacity: 0.1; /* Lumière diffuse discrète */
    z-index: 0;
    pointer-events: none;
}

.orb-1 {
    top: 15%;
    right: 5%;
    background-color: var(--color-gold);
}

.orb-2 {
    top: 40%;
    left: -10%;
    background-color: var(--color-orange);
}

/* Helper spacing utility */
.section {
    padding: 100px 0;
    position: relative;
    scroll-margin-top: 80px;
}

.bg-alt {
    background-color: var(--bg-alt);
}

.text-center {
    text-align: center;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-50 {
    margin-bottom: 50px;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.font-bold {
    font-weight: 700;
}

.text-indigo {
    color: var(--color-gold);
}

.text-emerald {
    color: var(--color-emerald);
}

.max-w-3xl {
    max-width: 768px;
    margin: 0 auto;
}

.max-w-xl {
    max-width: 550px;
    margin: 0 auto;
}

.hidden {
    display: none !important;
}

.w-full {
    width: 100%;
}

/* ----------------------------------------------------
   COMPONENTS
------------------------------------------------------- */

/* Glassmorphism Card base */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Buttons */
.btn-wow {
    background: var(--orange-gradient);
    color: #ffffff;
    font-weight: 600;
    padding: 14px 28px;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    display: inline-block;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.2);
}

.btn-wow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(234, 88, 12, 0.35);
}

.btn-wow:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(30, 41, 59, 0.03);
    color: var(--text-primary);
    font-weight: 600;
    padding: 14px 28px;
    border: 1px solid var(--glass-border);
    border-radius: 9999px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(30, 41, 59, 0.06);
    border-color: rgba(30, 41, 59, 0.18);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 30px;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2-equal {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2-equal {
        grid-template-columns: repeat(2, 1fr);
    }
}

.items-center {
    align-items: center;
}

/* ----------------------------------------------------
   HEADER & NAVIGATION
------------------------------------------------------- */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(248, 246, 240, 0.85); /* Crème chaud transparent */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 18px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo {
    height: 44px;
    width: auto;
    border-radius: 8px;
    border: 1px solid rgba(30, 41, 59, 0.1);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--color-gold);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-sub {
    font-weight: 400;
    color: var(--text-muted);
}

.logo-slogan {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.03em;
    margin-top: 3px;
    display: none;
}

@media (min-width: 576px) {
    .logo-slogan {
        display: block;
    }
}

.main-nav {
    display: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

.btn-nav {
    padding: 8px 18px;
    font-size: 0.9rem;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

@media (min-width: 992px) {
    .main-nav {
        display: flex;
    }
    .menu-toggle {
        display: none;
    }
}

/* Mobile Nav Active State */
.main-nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-main);
    padding: 30px;
    border-bottom: 1px solid var(--glass-border);
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ----------------------------------------------------
   HERO SECTION
------------------------------------------------------- */

.hero-section {
    padding: 160px 0 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: center;
}

@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.badge {
    background: rgba(217, 167, 74, 0.08);
    color: var(--color-gold);
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid rgba(217, 167, 74, 0.25);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.8rem;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--color-slate-dark);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.6rem;
    }
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 35px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Floating Animations */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float 6s ease-in-out infinite;
    animation-delay: 3s;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

.hero-visual {
    position: relative;
}

.visual-card {
    border-radius: 20px;
    overflow: hidden;
    padding: 0;
    border-color: rgba(30, 41, 59, 0.1);
}

.visual-card-header {
    background: rgba(30, 41, 59, 0.02);
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.url {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
    margin-right: auto;
}

.visual-card-body {
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

/* Circular Chart Animation */
.performance-circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.circular-chart {
    display: block;
    width: 140px;
    height: 140px;
}

.circle-bg {
    fill: none;
    stroke: rgba(30, 41, 59, 0.04);
    stroke-width: 2.8;
}

.circle {
    fill: none;
    stroke-width: 2.8;
    stroke-linecap: round;
    animation: progress 2s ease-out forwards;
}

@keyframes progress {
    0% { stroke-dasharray: 0 100; }
}

.circular-chart.emerald .circle {
    stroke: var(--color-emerald);
}

.percentage {
    fill: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 0.55rem;
    font-weight: 800;
    text-anchor: middle;
}

.label {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-emerald);
    text-transform: uppercase;
}

.mockup-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.line {
    height: 6px;
    background: rgba(30, 41, 59, 0.04);
    border-radius: 99px;
}

.line.short { width: 40%; }
.line.medium { width: 70%; }
.line.long { width: 90%; }

.badge-mini {
    background: rgba(30, 185, 129, 0.08);
    color: var(--color-emerald);
    border: 1px solid rgba(30, 185, 129, 0.2);
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 99px;
    font-weight: 700;
    margin-top: 10px;
}

.badge-step {
    background: rgba(217, 167, 74, 0.1);
    color: var(--color-gold);
    border: 1px solid rgba(217, 167, 74, 0.2);
    padding: 4px 12px;
    font-size: 0.75rem;
    border-radius: 99px;
    font-weight: 700;
    margin-bottom: 15px;
    width: fit-content;
}

.badge-step-light {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 4px 12px;
    font-size: 0.75rem;
    border-radius: 99px;
    font-weight: 700;
    margin-bottom: 15px;
    margin-top: 10px;
    width: fit-content;
}

/* Floating Logo Widget */
.logo-widget {
    position: absolute;
    bottom: -20px;
    left: -20px;
    padding: 16px 20px;
    border-color: rgba(30, 41, 59, 0.1);
}

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

.logo-widget-inner h4 {
    font-size: 1rem;
    font-weight: 600;
}

.logo-widget-inner p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.icon-pulse {
    background: rgba(217, 167, 74, 0.1);
    border-radius: 12px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(217, 167, 74, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(217, 167, 74, 0); }
    100% { box-shadow: 0 0 0 0 rgba(217, 167, 74, 0); }
}

/* ----------------------------------------------------
   ABOUT / VISION SECTION
------------------------------------------------------- */

.section-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--color-slate-dark);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ----------------------------------------------------
   FEATURES
------------------------------------------------------- */

.feature-card {
    border-radius: 20px;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(30, 41, 59, 0.15);
    box-shadow: 0 12px 30px rgba(30, 41, 59, 0.04);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: rgba(30, 41, 59, 0.02);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ----------------------------------------------------
   CALCULATOR SECTION
------------------------------------------------------- */

.calc-card {
    border-radius: 24px;
    border-color: rgba(30, 41, 59, 0.12);
}

.calc-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.calc-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 15px;
}

.calc-tab-btn {
    flex: 1;
    background: rgba(30, 41, 59, 0.02);
    border: 1px solid var(--glass-border);
    padding: 10px 15px;
    border-radius: 10px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.calc-tab-btn:hover {
    background: rgba(30, 41, 59, 0.05);
    color: var(--text-primary);
}

.calc-tab-btn.active {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(217, 167, 74, 0.15);
}

.calc-input-group {
    margin-bottom: 25px;
}

.calc-input-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: rgba(30, 41, 59, 0.05);
    border-radius: 99px;
}

input[type=range]::-webkit-slider-thumb {
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: var(--color-gold);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -6px;
    box-shadow: 0 2px 8px rgba(217, 167, 74, 0.3);
    transition: background-color 0.15s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
    background: hsl(38, 65%, 55%);
}

.range-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.calc-result {
    background: rgba(30, 41, 59, 0.01);
    border: 1px dashed rgba(30, 41, 59, 0.15);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    margin-top: 30px;
}

.result-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.result-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.result-note {
    font-size: 0.85rem;
    color: var(--color-emerald);
}

/* ----------------------------------------------------
   PRICING
------------------------------------------------------- */

.pricing-card {
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card.featured {
    border-color: var(--color-gold);
    box-shadow: 0 15px 40px rgba(217, 167, 74, 0.08);
    position: relative;
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gold);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.plan-header {
    margin-bottom: 30px;
}

.plan-header h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.price {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.period {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.plan-features {
    margin-bottom: 35px;
}

.plan-features ul {
    list-style: none;
}

.plan-features li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check {
    color: var(--color-emerald);
    font-weight: 700;
}

/* ----------------------------------------------------
   CONTACT FORM
------------------------------------------------------- */

.contact-card {
    border-radius: 24px;
    border-color: rgba(30, 41, 59, 0.12);
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-group input, .form-group textarea {
    width: 100%;
    background: rgba(30, 41, 59, 0.01);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    background-color: rgba(30, 41, 59, 0.03);
}

/* ----------------------------------------------------
   FOOTER
------------------------------------------------------- */

.main-footer {
    border-top: 1px solid var(--glass-border);
    padding: 50px 0;
    background-color: var(--bg-alt);
    font-size: 0.9rem;
}