:root {
    --primary: #FF4D00;
    --primary-glow: rgba(255, 77, 0, 0.4);
    --secondary: #00D1FF;
    --bg: #050608;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --text-main: #FFFFFF;
    --text-dim: #A0A0A0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

/* Reusable Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-glass {
    background: var(--card-bg);
    color: white;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
}

.badge {
    background: rgba(255, 77, 0, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid var(--primary);
    display: inline-block;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: 0.4s;
    border-bottom: 1px solid transparent;
}

nav.scrolled {
    background: rgba(5, 6, 8, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: 0.3s;
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    padding: 180px 0 100px 0;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(255, 77, 0, 0.08) 0%, transparent 40%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-visual {
    position: relative;
}

.main-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

.scan-anim {
    width: 100%;
    height: 350px;
    background: url('https://www.klr-interieur.com/Images/journal/blog-carnet-chantier-architecture-interieure/blog-carnet-chantier-architecture-interieure-07.jpg');
    background-size: cover;
    border-radius: 15px;
    position: relative;
}

.scan-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    box-shadow: 0 0 20px var(--primary);
    animation: scanMove 4s infinite ease-in-out;
}

@keyframes scanMove {

    0%,
    100% {
        top: 0%;
    }

    50% {
        top: 100%;
    }
}

/* Trust Logos */
.logos {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    opacity: 0.6;
}

.logo-flex {
    display: flex;
    justify-content: space-around;
    filter: grayscale(1);
    flex-wrap: wrap;
    gap: 30px;
}

.logo-flex i {
    font-size: 2rem;
}

/* Prediction Section */
.prediction {
    padding: 120px 0;
    position: relative;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.predict-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 24px;
    transition: 0.4s;
}

.predict-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
}

.predict-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.predict-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Social Impact */
.social-mission {
    background: linear-gradient(rgba(255, 77, 0, 0.1), rgba(0, 0, 0, 0));
    padding: 100px 40px;
    border-radius: 40px;
    text-align: center;
    margin: 100px auto;
    max-width: 1000px;
    border: 1px solid rgba(255, 77, 0, 0.2);
}

.social-mission h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-grid {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 40px;
}

.stat h4 {
    font-size: 3rem;
    color: var(--primary);
}

/* Pricing */
.pricing {
    padding: 120px 0;
    background: radial-gradient(circle at bottom, rgba(0, 209, 255, 0.05) 0%, transparent 40%);
}

.price-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 60px;
}

.price-card {
    background: #0D0F12;
    border: 1px solid var(--border);
    padding: 50px;
    border-radius: 30px;
    width: 450px;
    position: relative;
}

.price-card.featured {
    border: 2px solid var(--primary);
    background: #14161B;
}

.price-card.featured::before {
    content: "RECOMMANDÉ";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    padding: 5px 20px;
    border-radius: 100px;
    font-weight: 800;
    font-size: 0.7rem;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    margin: 20px 0;
}

.amount span {
    font-size: 1.2rem;
    color: var(--text-dim);
}

.price-list {
    list-style: none;
    margin-bottom: 40px;
}

.price-list li {
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-list i {
    color: #00FF66;
}

/* Dashboard Teaser */
.dashboard-preview {
    padding: 100px 0;
    text-align: center;
}

.mockup {
    width: 100%;
    max-width: 1000px;
    margin: 60px auto;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 10px;
    position: relative;
}

.mockup-inner {
    background: #050608;
    border-radius: 15px;
    height: 500px;
    display: grid;
    grid-template-columns: 200px 1fr;
}

.sidebar {
    border-right: 1px solid var(--border);
    padding: 20px;
}

.main-panel {
    padding: 40px;
    text-align: left;
}

.risk-bar {
    height: 10px;
    background: #222;
    border-radius: 5px;
    margin: 10px 0 30px 0;
    overflow: hidden;
}

.risk-fill {
    height: 100%;
    width: 70%;
    background: linear-gradient(to right, orange, red);
}

/* FAQ */
.faq {
    padding: 100px 0;
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
}

.accordion-header {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-weight: 600;
    word-wrap: break-word;
    overflow-wrap: break-word;
    gap: 15px;
}

.accordion-header h3,
.accordion-header p {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.accordion-content {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-dim);
    word-wrap: break-word;
    overflow-wrap: break-word;
    display: none;
    /* Force hide by default */
}

.accordion-item.active .accordion-content {
    display: block;
    max-height: 500px;
    padding: 0 25px 25px 25px;
}

.accordion-content p {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

footer {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #0D0F12;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-dim);
}

.modal-close:hover {
    color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    transition: 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: #ff6b6b;
}

/* Animations */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: 1s all ease;
}

[data-reveal].active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */

/* Tablet */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .price-grid {
        flex-direction: column;
        align-items: center;
    }

    .price-card {
        width: 100%;
        max-width: 500px;
    }
}

/* Mobile */
@media (max-width: 768px) {

    /* Typography */
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .social-mission h2 {
        font-size: 2rem;
    }

    /* Layout */
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 120px 0 60px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-visual {
        order: -1;
    }

    .scan-anim {
        height: 250px;
    }

    /* Navigation */
    .nav-links {
        display: none;
    }

    .logo {
        font-size: 1.4rem;
    }

    .nav-actions {
        gap: 6px;
    }

    .nav-actions .btn {
        padding: 8px 12px;
        font-size: 0.75rem;
        white-space: nowrap;
    }

    /* Grids */
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .price-grid {
        grid-template-columns: 1fr;
    }

    .price-card {
        width: 100%;
        padding: 30px;
    }

    /* Stats */
    .stat-grid {
        flex-direction: column;
        gap: 30px;
    }

    .stat h4 {
        font-size: 2rem;
    }

    /* Dashboard mockup */
    .mockup-inner {
        grid-template-columns: 1fr;
        height: auto;
    }

    .sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    /* Social mission */
    .social-mission {
        padding: 60px 20px;
        margin: 60px auto;
    }

    /* Buttons */
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .hero-btns {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .hero-btns .btn {
        width: 100%;
        margin-left: 0 !important;
    }

    /* Modal */
    .modal-content {
        width: 95%;
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* FAQ */
    .accordion-header {
        padding: 20px;
        font-size: 0.9rem;
    }

    .accordion-content {
        padding: 0 20px 20px 20px;
        font-size: 0.9rem;
    }

    /* Prediction cards */
    .predict-card {
        padding: 30px 20px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .amount {
        font-size: 3rem;
    }

    .badge {
        font-size: 0.7rem;
        padding: 4px 12px;
    }

    .price-card {
        padding: 30px 20px;
    }

    .logo {
        font-size: 1.3rem;
    }
}