/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(239, 68, 68, 0.05) 0%, transparent 70%);
    padding: 2rem 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.error-code {
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 900;
    color: var(--accent);
    line-height: 0.8;
    margin-bottom: 1rem;
    text-shadow: 0 0 50px rgba(239, 68, 68, 0.3);
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-2px); }
    40% { transform: translateX(2px); }
    60% { transform: translateX(-1px); }
    80% { transform: translateX(1px); }
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 4vw, 2rem);
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1rem);
    transition: all 0.3s ease;
    border: 2px solid var(--accent);
}

.cta-button:hover {
    background: transparent;
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.2);
}

/* === FEATURES SECTION === */
.features {
    padding: clamp(4rem, 10vw, 8rem) 0;
    background: var(--bg-secondary);
}

.features .container {
    padding: 0 1rem;
}

.features h2 {
    font-size: clamp(2rem, 5vw, 2.5rem) !important;
}

.features p {
    font-size: clamp(1rem, 2.5vw, 1.1rem) !important;
    padding: 0 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1rem, 3vw, 2rem);
    margin-top: clamp(2rem, 5vw, 4rem);
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: clamp(1.5rem, 4vw, 2rem);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.error-icon {
    font-size: clamp(2.5rem, 5vw, 3rem);
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

/* === POPULAR ERRORS SECTION === */
.popular-errors {
    padding: clamp(4rem, 10vw, 8rem) 0;
}

.popular-errors .container {
    padding: 0 1rem;
}

.popular-errors h2 {
    font-size: clamp(2rem, 5vw, 2.5rem) !important;
}

.popular-errors > .container > .fade-in p {
    font-size: clamp(1rem, 2.5vw, 1.1rem) !important;
    padding: 0 1rem;
}

.error-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: clamp(0.75rem, 2vw, 1rem);
    margin-top: clamp(2rem, 5vw, 3rem);
}

.error-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: clamp(1rem, 3vw, 1.5rem);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.error-item:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.error-number {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    color: var(--accent);
    display: block;
    margin-bottom: 0.5rem;
}

.error-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.error-desc {
    font-size: clamp(0.8rem, 1.8vw, 0.9rem);
    color: var(--text-secondary);
    line-height: 1.4;
}

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

/* Tablets y pantallas medianas */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 1.5rem;
    }
    
    .error-list {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

/* Tablets pequeñas */
@media (max-width: 768px) {
    .hero {
        min-height: 80vh;
        padding: 4rem 0;
    }
    
    .hero-content {
        padding: 0 1.5rem;
    }
    
    .hero p {
        margin-bottom: 2rem;
    }
    
    .features, .popular-errors {
        padding: 4rem 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .error-list {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .feature-card:hover {
        transform: none;
    }
}

/* Móviles */
@media (max-width: 480px) {
    .hero {
        min-height: 70vh;
        padding: 2rem 0;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .error-code {
        margin-bottom: 0.5rem;
    }
    
    .hero h1 {
        margin-bottom: 1rem;
    }
    
    .hero p {
        margin-bottom: 1.5rem;
    }
    
    .features, .popular-errors {
        padding: 3rem 0;
    }
    
    .features .container,
    .popular-errors .container {
        padding: 0 0.75rem;
    }
    
    .features h2,
    .popular-errors h2 {
        margin-bottom: 0.5rem !important;
    }
    
    .features p,
    .popular-errors > .container > .fade-in p {
        padding: 0 0.5rem;
    }
    
    .features-grid {
        margin-top: 1.5rem;
    }
    
    .error-list {
        grid-template-columns: 1fr;
        margin-top: 1.5rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .error-item {
        padding: 1rem;
    }
    
    .cta-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* Móviles muy pequeños */
@media (max-width: 320px) {
    .hero-content,
    .features .container,
    .popular-errors .container {
        padding: 0 0.5rem;
    }
    
    .error-list {
        gap: 0.75rem;
    }
    
    .feature-card,
    .error-item {
        padding: 1rem;
    }
}