/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

:root {
    /* Charte graphique TrackProper — mêmes tokens que l'app (app/globals.css) */
    --navy: #0E1B2D;       /* Midnight Navy */
    --navy-soft: #16233A;  /* Navy légèrement éclairci, pour fonds sur waitlist/footer */
    --teal: #16B39A;       /* Emerald Teal */
    --slate: #61718A;      /* Slate Gray */
    --light-gray: #F2F4F7;
    --cream: #f7f3ea;
    --gold: #ba8b3d;
}

body {
    background-color: var(--light-gray);
    color: var(--navy);
    line-height: 1.6;
}

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

/* Header */
header {
    background: #FFFFFF;
    padding: 10px 0;
    border-bottom: 1px solid rgba(14, 27, 45, 0.08);
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.logo-img {
    display: block;
    height: 32px;
    width: auto;
}

nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

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

nav a:hover {
    color: var(--navy);
}

/* Buttons */
.btn-primary {
    background: var(--navy);
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-block;
    transition: background 0.3s, transform 0.2s;
}

.btn-primary:hover {
    background: #16233A;
    transform: translateY(-2px);
}

.btn-secondary {
    color: var(--navy);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.3s;
}

.btn-secondary:hover {
    background: rgba(14, 27, 45, 0.05);
}

.btn-secondary svg {
    width: 14px;
    height: 14px;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: #FFFFFF;
    text-align: center;
    border-bottom: 1px solid rgba(14, 27, 45, 0.08);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(186, 139, 61, 0.1);
    border: 1px solid rgba(186, 139, 61, 0.3);
    color: var(--gold);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
    .badge .dot { animation: none; }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--navy);
}

.hero h1 .highlight {
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-weight: 600;
    color: var(--teal);
}

.hero p {
    font-size: 1.125rem;
    color: var(--slate);
    max-width: 650px;
    margin: 0 auto 40px auto;
    line-height: 1.7;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--light-gray);
}

.section-header h2 {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 50px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: #FFFFFF;
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(14, 27, 45, 0.08);
    transition: box-shadow 0.3s, transform 0.3s;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-card:hover {
    box-shadow: 0 10px 30px rgba(14, 27, 45, 0.06);
    transform: translateY(-3px);
}

.icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
    background: var(--light-gray);
    color: var(--navy);
}

.icon-box svg {
    width: 20px;
    height: 20px;
}

.card-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--navy);
}

.card-content p {
    color: var(--slate);
    font-size: 0.95rem;
}

/* Waitlist / Notification Section */
.waitlist {
    padding: 80px 0;
    background: var(--navy);
    color: #FFFFFF;
    text-align: center;
}

.waitlist-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #FFFFFF;
}

.waitlist-content p {
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.waitlist-form {
    max-width: 500px;
    margin: 0 auto 40px auto;
}

.input-group {
    display: flex;
    gap: 12px;
    background: transparent;
}

.input-group input {
    flex: 1;
    background: var(--navy-soft);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px 16px;
    border-radius: 8px;
    color: #FFFFFF;
    outline: none;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.input-group input:focus {
    border-color: var(--teal);
}

.input-group button {
    background: var(--teal);
    color: var(--navy);
    border: none;
    padding: 14px 24px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    white-space: nowrap;
}

.input-group button:hover {
    background: #129e88;
    transform: translateY(-2px);
}

.input-group button:disabled {
    opacity: 0.7;
    cursor: default;
    transform: none;
}

.form-message {
    margin-top: 12px;
    font-size: 0.9rem;
    min-height: 20px;
}
.form-message.success { color: var(--teal); }
.form-message.error { color: #F87171; }

.footer-links {
    margin-top: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #FFFFFF;
}

/* Footer */
footer {
    background: var(--navy);
    padding: 32px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.footer-logo {
    margin-bottom: 12px;
}

.footer-logo img {
    display: block;
    height: 24px;
    width: auto;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero { padding: 64px 0; }
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }

    nav a { display: none; } /* Hide the "Platform" link on mobile, keep button */
    nav .btn-primary { font-size: 0.85rem; padding: 10px 16px; }

    .cta-group { flex-direction: column; align-items: center; width: 100%; max-width: 400px; margin: 0 auto;}
    .cta-group a { width: 100%; text-align: center; justify-content: center; }

    .input-group { flex-direction: column; gap: 12px;}
    .input-group button { width: 100%; }

    .feature-card { flex-direction: column; align-items: flex-start;}
}