/* Reset i variables */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #000000;
    --color-accent: #FF003D;
    --color-accent2: #FFB800;
    --color-accent3: #00FF88;
    --color-dark: #0a0a0a;
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-text-light: #666;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --border-radius: 0;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    font-weight: 400;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header - BOLD i IMPACTANT */
header {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 0, 61, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 184, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

header .container {
    position: relative;
    z-index: 1;
}

header h1 {
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.05em;
    line-height: 0.9;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 0%, #FFB800 50%, #FF003D 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(255, 184, 0, 0.5));
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 30px rgba(255, 184, 0, 0.5)); }
    to { filter: drop-shadow(0 0 50px rgba(255, 0, 61, 0.7)); }
}

header .tagline {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent2);
    margin-top: var(--spacing-md);
}

/* Main sections */
main {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

section {
    margin-bottom: var(--spacing-xl);
}

/* Intro - Més impactant */
.intro {
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.intro p {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.7;
    font-weight: 400;
}

.intro .highlight {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--color-accent);
    margin-top: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    display: block;
    line-height: 1.2;
}

/* Info sections - Més bold */
.info-section {
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.info-section h2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1;
}

.info-section .subtitle {
    text-align: center;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

/* Date & Location - Estil bold */
.date-location {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl);
    border: 4px solid var(--color-accent);
    position: relative;
    overflow: hidden;
}

.date-location::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 184, 0, 0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.date-location h2 {
    color: var(--color-accent2);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.info-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 184, 0, 0.3);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.info-item:hover::before {
    transform: scaleX(1);
}

.info-item:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent2);
    background: rgba(255, 255, 255, 0.1);
}

.info-item strong {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: white;
    font-weight: 800;
    display: block;
}

/* Features grid - Més radical */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.feature-item {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    border: 3px solid var(--color-accent);
    text-align: center;
    font-weight: 800;
    font-size: clamp(1rem, 2vw, 1.3rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-item::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--color-accent);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.feature-item:hover::after {
    width: 300px;
    height: 300px;
}

.feature-item:hover {
    transform: scale(1.1) rotate(2deg);
    border-color: var(--color-accent2);
    color: var(--color-primary);
    z-index: 1;
}

.summary {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--color-accent);
    margin-top: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

/* Warning section - Més impactant */
.warning {
    background: var(--color-primary);
    color: white;
    border: 4px solid var(--color-accent);
    padding: var(--spacing-xl);
    position: relative;
}

.warning::before {
    content: '⚠️';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 4rem;
    background: var(--color-accent);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--color-primary);
}

.warning h2 {
    color: var(--color-accent2);
    margin-top: var(--spacing-md);
}

.warning-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.warning-list li {
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 184, 0, 0.2);
}

.warning-list li:last-child {
    border-bottom: none;
}

.warning-list li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

.warning-footer {
    margin-top: var(--spacing-lg);
    font-weight: 800;
    color: var(--color-accent2);
    text-align: center;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Track section - Estil modern */
.track {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    color: white;
    border: 4px solid var(--color-accent3);
    padding: var(--spacing-xl);
    position: relative;
}

.track h2 {
    color: var(--color-accent3);
}

.track p {
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.track .note {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
    font-weight: 400;
}

/* Email form - Estil bold */
.email-form {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.form-group input {
    flex: 1;
    min-width: 250px;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 3px solid var(--color-accent3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent2);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.form-group button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-accent3);
    color: var(--color-primary);
    border: 3px solid var(--color-accent3);
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: 'Inter', sans-serif;
}

.form-group button:hover {
    background: var(--color-accent2);
    border-color: var(--color-accent2);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 184, 0, 0.4);
}

.form-group button:active {
    transform: translateY(0);
}

.form-message {
    margin-top: var(--spacing-md);
    text-align: center;
    font-weight: 700;
    min-height: 1.5rem;
    font-size: 1.1rem;
}

.form-message.success {
    color: var(--color-accent3);
}

.form-message.error {
    color: var(--color-accent);
}

/* Respect section - Estil modern */
.respect {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: white;
    border: 4px solid var(--color-accent2);
    padding: var(--spacing-xl);
}

.respect h2 {
    color: var(--color-accent2);
}

.respect-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.respect-list li {
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 184, 0, 0.2);
}

.respect-list li:last-child {
    border-bottom: none;
}

.respect-list li::before {
    content: '🔥';
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

.respect-footer {
    margin-top: var(--spacing-lg);
    font-weight: 800;
    color: var(--color-accent2);
    text-align: center;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* CTA section - Més impactant */
.cta {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    border: 6px solid var(--color-accent);
    margin: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 0, 61, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 184, 0, 0.3) 0%, transparent 50%);
    animation: pulse 6s ease-in-out infinite;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    color: var(--color-accent2);
    font-size: clamp(3rem, 7vw, 5.5rem);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1;
    font-weight: 900;
}

.cta p {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.cta-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.cta-item {
    background: rgba(255, 184, 0, 0.1);
    border: 3px solid var(--color-accent2);
    padding: var(--spacing-lg);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cta-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-accent2);
    transition: left 0.4s;
    z-index: -1;
}

.cta-item:hover::before {
    left: 0;
}

.cta-item:hover {
    color: var(--color-primary);
    transform: scale(1.05);
}

.cta-footer {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-top: var(--spacing-xl);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    line-height: 1.1;
}

/* Footer */
footer {
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 4px solid var(--color-accent);
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    header {
        padding: var(--spacing-lg) var(--spacing-sm);
        min-height: 50vh;
    }

    .intro {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .info-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .form-group {
        flex-direction: column;
    }

    .form-group input,
    .form-group button {
        width: 100%;
    }

    .cta {
        margin: var(--spacing-lg) var(--spacing-sm);
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .cta-details {
        grid-template-columns: 1fr;
    }

    .date-location,
    .warning,
    .track,
    .respect {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 2.5rem;
    }

    .cta-footer {
        font-size: 1.8rem;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.8s ease-out;
}

/* Efectes extra */
.feature-item,
.info-item,
.cta-item {
    will-change: transform;
}

/* Scroll reveal effect */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}