/* ==========================================
   INTEL·LIGÈNCIA ARTIFICIAL PAGE STYLES
========================================== */

/* Variables addicionals per IA */
:root {
    --color-ai: #9b59b6;
    --color-ai-light: #e8d5ff;
    --color-brain: #ff6b6b;
    --color-neural: #4ecdc4;
    --shadow-ai: 0 8px 32px rgba(155, 89, 182, 0.3);
}

/* Hero Section IA */
.ai-hero {
    min-height: 100vh;
    background: linear-gradient(135deg, 
        var(--color-neutre) 0%, 
        rgba(155, 89, 182, 0.05) 30%, 
        rgba(52, 152, 219, 0.05) 70%, 
        var(--color-white) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 120px;
    padding-bottom: 50px;
}

/* Floating AI Elements */
.floating-ai {
    position: absolute;
    font-size: 2rem;
    opacity: 0.1;
    animation: floatAI 12s ease-in-out infinite;
    pointer-events: none;
}

.floating-ai:nth-child(1) {
    top: 15%;
    left: 10%;
    color: var(--color-ai);
    animation-delay: 0s;
}

.floating-ai:nth-child(2) {
    top: 20%;
    right: 15%;
    color: var(--color-brain);
    animation-delay: 3s;
}

.floating-ai:nth-child(3) {
    bottom: 30%;
    left: 20%;
    color: var(--color-neural);
    animation-delay: 6s;
}

.floating-ai:nth-child(4) {
    top: 40%;
    right: 25%;
    color: var(--color-tech);
    animation-delay: 2s;
}

.floating-ai:nth-child(5) {
    bottom: 20%;
    right: 10%;
    color: var(--color-ai);
    animation-delay: 8s;
}

.floating-ai:nth-child(6) {
    top: 60%;
    left: 8%;
    color: var(--color-brain);
    animation-delay: 4s;
}

@keyframes floatAI {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1); 
        opacity: 0.1; 
    }
    33% { 
        transform: translateY(-30px) rotate(10deg) scale(1.1); 
        opacity: 0.2; 
    }
    66% { 
        transform: translateY(-15px) rotate(-5deg) scale(0.9); 
        opacity: 0.15; 
    }
}

/* Neural Network Background */
.neural-network {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        radial-gradient(circle at 20% 30%, var(--color-ai) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, var(--color-tech) 2px, transparent 2px),
        radial-gradient(circle at 40% 80%, var(--color-neural) 2px, transparent 2px),
        radial-gradient(circle at 90% 70%, var(--color-brain) 2px, transparent 2px);
    background-size: 100px 100px, 150px 150px, 120px 120px, 80px 80px;
    animation: networkPulse 20s ease-in-out infinite;
}

@keyframes networkPulse {
    0%, 100% { opacity: 0.03; }
    50% { opacity: 0.08; }
}

.ai-hero-content {
    text-align: center;
    max-width: 1000px;
    padding: 2rem;
    z-index: 2;
    position: relative;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.1), rgba(52, 152, 219, 0.1));
    color: var(--color-ai);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(155, 89, 182, 0.2);
    animation: slideInUp 1s ease-out;
}

.ai-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-principal);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: slideInUp 1s ease-out 0.2s both;
}

.ai-title .highlight {
    background: linear-gradient(135deg, var(--color-ai), var(--color-tech));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.ai-title .highlight::after {
    content: '🧠';
    position: absolute;
    top: -0.2em;
    right: -0.8em;
    font-size: 0.6em;
    animation: brainPulse 2s ease-in-out infinite;
}

@keyframes brainPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.ai-subtitle {
    font-size: clamp(1.3rem, 3vw, 2rem);
    color: var(--color-secundari);
    margin-bottom: 2rem;
    animation: slideInUp 1s ease-out 0.4s both;
}

.ai-description {
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: slideInUp 1s ease-out 0.6s both;
}

.ai-cta {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 1s ease-out 0.8s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Botons */
.btn {
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.8rem;
    font-size: 1.1rem;
    border: 2px solid transparent;
    min-width: 220px;
    white-space: nowrap;
}

.btn-ai-primary {
    background: linear-gradient(135deg, var(--color-ai), #8e44ad);
    color: var(--color-white);
}

.btn-ai-primary:hover {
    background: linear-gradient(135deg, var(--color-principal), var(--color-ai));
    transform: translateY(-4px);
    box-shadow: var(--shadow-ai);
}

.btn-ai-secondary {
    background: transparent;
    color: var(--color-ai);
    border: 2px solid var(--color-ai);
}

.btn-ai-secondary:hover {
    background: var(--color-ai);
    color: var(--color-white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-ai);
}

/* Serveis IA Section */
.ai-services {
    padding: 5rem 2rem;
    background: var(--color-white);
    position: relative;
}

.ai-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(155, 89, 182, 0.02) 50%, transparent 100%);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--color-principal);
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--color-secundari);
    max-width: 800px;
    margin: 0 auto;
}

.ai-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.ai-service-card {
    background: var(--color-white);
    padding: 3rem 2.5rem;
    border-radius: 25px;
    border: 1px solid rgba(155, 89, 182, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.ai-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-ai), var(--color-tech), var(--color-neural));
    background-size: 200% 100%;
    animation: gradientMove 3s ease-in-out infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.ai-service-card:hover {
    transform: translateY(-10px) rotateY(5deg);
    box-shadow: var(--shadow-ai);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(155, 89, 182, 0.05) 100%);
}

.ai-service-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    position: relative;
    transition: var(--transition-bounce);
}

.ai-service-icon.automation {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.1), rgba(155, 89, 182, 0.2));
    color: var(--color-ai);
}

.ai-service-icon.chatbot {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0.2));
    color: var(--color-tech);
}

.ai-service-icon.assistant {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(78, 205, 196, 0.2));
    color: var(--color-neural);
}

.ai-service-card:hover .ai-service-icon {
    transform: scale(1.2) rotateY(15deg);
    animation: iconBounce 0.6s ease-in-out;
}

@keyframes iconBounce {
    0% { transform: scale(1.2) rotateY(15deg); }
    50% { transform: scale(1.4) rotateY(15deg) rotateZ(10deg); }
    100% { transform: scale(1.2) rotateY(15deg); }
}

.ai-service-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-principal);
    margin-bottom: 1.5rem;
}

.ai-service-desc {
    color: var(--color-secundari);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.ai-service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.ai-service-features li {
    padding: 0.5rem 0;
    color: var(--color-accent);
    position: relative;
    padding-left: 2rem;
}

.ai-service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-tech);
    font-weight: bold;
}

/* Tecnologies Section */
.ai-tech {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--color-neutre) 0%, rgba(155, 89, 182, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tech-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(155, 89, 182, 0.1);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(155, 89, 182, 0.05) 100%);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-tech);
}

.tech-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-principal);
    margin-bottom: 0.5rem;
}

.tech-desc {
    color: var(--color-secundari);
    font-size: 0.9rem;
}

/* Process Section */
.ai-process {
    padding: 5rem 2rem;
    background: var(--color-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.process-step {
    position: relative;
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-ai), var(--color-tech));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-principal);
    margin-bottom: 1rem;
}

.step-desc {
    color: var(--color-secundari);
    line-height: 1.6;
}

/* CTA Final Section */
.ai-cta-final {
    background: linear-gradient(135deg, var(--color-ai) 0%, #8e44ad 100%);
    padding: 5rem 2rem;
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.ai-cta-final::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><polygon points="30,5 35,20 50,20 40,30 45,45 30,35 15,45 20,30 10,20 25,20" fill="white" opacity="0.05"/></svg>') repeat;
    animation: rotatePattern 30s linear infinite;
}

@keyframes rotatePattern {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-cta-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.ai-cta-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: slideInUp 1s ease-out;
}

.ai-cta-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    animation: slideInUp 1s ease-out 0.2s both;
}

.ai-cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 1s ease-out 0.4s both;
}

.btn-cta-white {
    background: var(--color-white);
    color: var(--color-ai);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.8rem;
    min-width: 220px;
    white-space: nowrap;
}

.btn-cta-white:hover {
    background: var(--color-principal);
    color: var(--color-white);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .ai-hero {
        padding-top: 100px;
        padding-bottom: 2rem;
        min-height: 80vh;
    }

    .ai-cta, .ai-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn, .btn-cta-white {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .ai-services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ai-hero {
        padding-top: 90px;
    }

    .ai-services, .ai-tech, .ai-process, .ai-cta-final {
        padding: 3rem 1rem;
    }
}