/*
 * ChallengeX Landing Page Styles
 * Styles spécifiques à la landing page (index.html)
 * Utilise les variables de challengex-theme.css
 */

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes subtleGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(175, 65, 239, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 35px rgba(254, 51, 189, 0.5));
    }
}

/* Hero Section */
.landing-hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 100px var(--challengex-horizontal-padding) 80px;
    animation: fadeInUp 0.8s ease-out;
}

.landing-logo {
    width: 180px;
    height: auto;
    margin-bottom: 40px;
}

.landing-tagline {
    font-family: 'Source Serif Pro', serif;
    font-size: 2.75rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--challengex-title-start) 10%, var(--challengex-title-end) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 24px 0;
    line-height: 1.25;
    max-width: 700px;
}

.landing-subtitle {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1.2rem;
    color: var(--challengex-caption);
    margin: 0 0 40px 0;
    opacity: 0.9;
}

/* App Store Button */
.landing-appstore-btn {
    display: inline-block;
    transition: all var(--challengex-transition-slow);
    border-radius: 12px;
    padding: 4px;
}

.landing-appstore-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(175, 65, 239, 0.4);
}

.landing-appstore-btn img {
    height: 54px;
    width: auto;
    display: block;
}

/* Instagram Link */
.landing-instagram {
    margin-top: 36px;
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1rem;
    color: #8E8E93;
    line-height: 1.6;
}

.landing-instagram-link {
    color: var(--challengex-primary-start);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--challengex-transition-normal);
}

.landing-instagram-link:hover {
    color: var(--challengex-primary-end);
}

/* Features Section */
.landing-features {
    padding: 10px var(--challengex-horizontal-padding) 80px;
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.landing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

.landing-feature {
    padding: 40px 28px;
    background: transparent;
    border: 1px solid var(--challengex-separator-subtle);
    border-radius: 20px;
    transition: all var(--challengex-transition-slow);
}

.landing-feature:hover {
    transform: translateY(-4px);
    border-color: var(--challengex-primary-start);
    box-shadow: 0 0 30px rgba(175, 65, 239, 0.4);
}

.landing-feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.landing-feature-title {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--challengex-card-text);
    margin: 0 0 12px 0;
}

.landing-feature-desc {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1rem;
    color: #8E8E93;
    margin: 0;
    line-height: 1.5;
}

/* Footer */
.landing-footer {
    padding: 50px var(--challengex-horizontal-padding);
    text-align: center;
    border-top: 1px solid var(--challengex-separator-subtle);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.landing-footer p {
    margin: 10px 0;
}

.landing-footer .challengex-link-footer {
    transition: color var(--challengex-transition-normal);
}

.landing-footer .challengex-link-footer:hover {
    color: var(--challengex-primary-end);
}

.landing-admin-link {
    font-size: 0.75rem;
    color: #222;
    text-decoration: none;
    margin-top: 24px;
    display: inline-block;
    transition: color var(--challengex-transition-normal);
}

.landing-admin-link:hover {
    color: #444;
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .landing-hero {
        padding: 70px var(--challengex-horizontal-padding) 50px;
    }

    .landing-logo {
        width: 140px;
        margin-bottom: 32px;
    }

    .landing-tagline {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .landing-subtitle {
        font-size: 1.1rem;
        margin-bottom: 32px;
    }

    .landing-appstore-btn img {
        height: 48px;
    }

    .landing-instagram {
        margin-top: 28px;
        font-size: 0.95rem;
    }

    .landing-features {
        padding: 40px var(--challengex-horizontal-padding) 50px;
    }

    .landing-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .landing-feature {
        padding: 28px 24px;
    }

    .landing-feature-icon {
        font-size: 2.5rem;
        margin-bottom: 16px;
    }

    .landing-feature-title {
        font-size: 1.1rem;
    }

    .landing-feature-desc {
        font-size: 0.95rem;
    }

    .landing-footer {
        padding: 40px var(--challengex-horizontal-padding);
    }
}

/* Responsive - Mobile */
@media (max-width: 480px) {
    .landing-hero {
        padding: 50px var(--challengex-horizontal-padding) 40px;
    }

    .landing-logo {
        width: 120px;
        margin-bottom: 24px;
    }

    .landing-tagline {
        font-size: 1.65rem;
        margin-bottom: 16px;
    }

    .landing-subtitle {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .landing-appstore-btn img {
        height: 44px;
    }

    .landing-instagram {
        margin-top: 24px;
        font-size: 0.9rem;
    }

    .landing-features {
        padding: 30px var(--challengex-horizontal-padding) 40px;
    }

    .landing-features-grid {
        gap: 16px;
    }

    .landing-feature {
        padding: 24px 20px;
        border-radius: 16px;
    }

    .landing-feature-icon {
        font-size: 2.2rem;
        margin-bottom: 12px;
    }

    .landing-feature-title {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .landing-feature-desc {
        font-size: 0.9rem;
    }

    .landing-footer {
        padding: 32px var(--challengex-horizontal-padding);
    }

    .landing-footer p {
        margin: 8px 0;
    }
}