/* === Landing Page === */
.landing {
    background: #0d0d1a;
    overflow-x: hidden;
}

/* Header & Nav */
.landing-header {
    background: linear-gradient(180deg, #0d0d1a 0%, #16213e 100%);
    padding-bottom: 4rem;
}

.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
}

.landing-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
}

.landing-nav-right {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.btn-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #ccc;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-ghost:hover {
    border-color: #fff;
    color: #fff;
}

.btn-cta {
    background: linear-gradient(135deg, #e94560, #c62a45);
    color: #fff;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    box-shadow: 0 4px 20px rgba(233,69,96,0.3);
    text-decoration: none;
    display: inline-block;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(233,69,96,0.45);
}

.btn-cta.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero */
.hero {
    text-align: center;
    max-width: 750px;
    margin: 4rem auto 0;
    padding: 0 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 1.5rem;
}

.highlight {
    background: linear-gradient(135deg, #e94560, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #999;
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* Sections */
.section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
}

.section h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #fff;
}

.section-subtitle {
    text-align: center;
    color: #888;
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

/* How it works */
.steps-row {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
}

.step-card {
    background: #1a1a2e;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    flex: 1;
    max-width: 280px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #e94560;
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.step-icon {
    font-size: 2.5rem;
    margin: 0.5rem 0 1rem;
}

.step-card h3 {
    margin-bottom: 0.5rem;
    color: #fff;
    font-size: 1.05rem;
}

.step-card p {
    color: #888;
    font-size: 0.9rem;
    line-height: 1.5;
}

.step-arrow {
    font-size: 2rem;
    color: #333;
    margin-top: 3rem;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: #1a1a2e;
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: rgba(233,69,96,0.3);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.feature-card p {
    color: #888;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Demos */
.demos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.demo-card {
    background: linear-gradient(145deg, #1a1a2e, #16213e);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.demo-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.demo-card h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.demo-player {
    width: 100%;
    height: 40px;
    border-radius: 8px;
}

.demo-player::-webkit-media-controls-panel {
    background: #16213e;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: linear-gradient(180deg, transparent, rgba(233,69,96,0.05));
    border-radius: 24px;
    padding: 4rem 2rem;
}

.cta-section p {
    color: #888;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

/* Footer */
.landing-footer {
    text-align: center;
    padding: 2rem 1.5rem;
    color: #444;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    line-height: 1.8;
}

/* ==============================
   RESPONSIVE
   ============================== */

/* Tablette */
@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .demos-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    .btn-cta.btn-lg {
        padding: 0.8rem 1.8rem;
        font-size: 1rem;
    }

    .steps-row {
        flex-direction: column;
        align-items: center;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 0;
    }

    .step-card {
        max-width: 100%;
        width: 100%;
    }

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

    .landing-nav {
        flex-direction: column;
        gap: 1rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .section h2 {
        font-size: 1.6rem;
    }
}

/* Petit mobile */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }

    .hero {
        padding: 0 1rem;
    }

    .landing-nav {
        padding: 1rem;
    }

    .step-card {
        padding: 1.5rem 1rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .demo-card {
        padding: 1.5rem 1rem;
    }
}