/* ===================================
   BSNT HYBRID - CSS Design System
   =================================== */

/* Font Face */
@font-face {
    font-family: 'Halfre';
    src: url('assets/fonts/halfre.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ===================================
   CSS Variables (Design Tokens)
   =================================== */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-card: #1f1f1f;
    --color-accent-orange: #ffffff;
    --color-accent-yellow: #d2d2d2;
    --color-text-primary: #ffffff;
    --color-text-secondary: #cccccc;
    --color-text-muted: #888888;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-accent-orange) 0%, var(--color-accent-yellow) 100%);
    --gradient-dark: linear-gradient(180deg, rgba(10, 10, 10, 0) 0%, rgba(10, 10, 10, 0.8) 100%);

    /* Fonts */
    --font-primary: 'Halfre', 'Arial Black', sans-serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Global Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   Typography
   =================================== */
.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('assets/images/portada.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.7) 0%, rgba(10, 10, 10, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md);
}

.logo-container {
    margin-bottom: var(--spacing-md);
}

.hero-logo {
    max-width: 600px;
    width: 90%;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 0 30px rgba(255, 107, 0, 0.5));
}

.logo-text {
    font-family: var(--font-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.logo-text .bsnt {
    font-size: clamp(4rem, 10vw, 8rem);
    letter-spacing: 8px;
    color: var(--color-text-primary);
    text-shadow: 0 0 30px rgba(255, 107, 0, 0.5);
}

.logo-text .hybrid {
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: 4px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-tagline {
    font-size: clamp(1.25rem, 3vw, 2rem);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 600;
}

/* Buttons */
.cta-button,
.cta-button-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    margin: 0.5rem;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    border: 2px solid transparent;
}

.cta-button {
    background: var(--gradient-primary);
    color: #000000;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 107, 0, 0.5);
}

.cta-button-secondary {
    background: transparent;
    border-color: var(--color-accent-orange);
    color: var(--color-text-primary);
}

.cta-button-secondary:hover {
    background: var(--color-accent-orange);
    transform: translateY(-3px);
}

.cta-button-large {
    padding: 1.25rem 3rem;
    font-size: 1.3rem;
    background: var(--gradient-primary);
    color: #000000;
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
}

.cta-button-large:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 50px rgba(255, 107, 0, 0.6);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    transition: opacity var(--transition-normal);
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-accent-orange);
    border-radius: 25px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent-orange);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {

    0%,
    100% {
        top: 10px;
        opacity: 1;
    }

    50% {
        top: 30px;
        opacity: 0.3;
    }
}

/* ===================================
   Animations
   =================================== */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

.fade-in-delay {
    animation: fadeIn 1s ease 0.3s forwards;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease 0.6s forwards;
    opacity: 0;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease 0.9s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Why BSNT Section
   =================================== */
.why-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent-orange);
    box-shadow: 0 15px 40px rgba(255, 107, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-orange);
    text-transform: uppercase;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===================================
   Timeline Section
   =================================== */
.timeline-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-primary);
}

.timeline-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    max-width: 100%;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-slow);
}

.timeline-item.visible {
    opacity: 1;
    transform: scale(1);
}

.timeline-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 3px solid var(--color-accent-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-orange);
    transition: all var(--transition-normal);
}

.timeline-item.highlight .timeline-icon {
    background: var(--gradient-primary);
    border-color: var(--color-accent-yellow);
    color: #000000;
}

.timeline-item:hover .timeline-icon {
    transform: scale(1.2) rotate(10deg);
}

.timeline-icon svg {
    width: 30px;
    height: 30px;
}

.timeline-content {
    text-align: center;
}

.timeline-content h3 {
    font-family: var(--font-primary);
    font-size: 1rem;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.timeline-duration {
    color: var(--color-accent-orange);
    font-weight: bold;
    font-size: 1.1rem;
}

.timeline-connector {
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    align-self: flex-start;
    margin-top: 30px;
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.how-it-works .container {
    max-width: 1600px;
    padding-left: 1rem;
    padding-right: 1rem;
}

.zones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* Large screens: 6 columns */
@media (min-width: 1800px) {
    .zones-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Medium-large screens: 3 columns (2 rows) */
@media (min-width: 1024px) and (max-width: 1799px) {
    .zones-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Medium screens: 2 columns (3 rows) */
@media (min-width: 768px) and (max-width: 1023px) {
    .zones-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: 1 column */
@media (max-width: 767px) {
    .zones-grid {
        grid-template-columns: 1fr;
    }
}

.zone-card {
    background: var(--color-bg-card);
    border-radius: 15px;
    overflow: hidden;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.zone-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.zone-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(255, 107, 0, 0.3);
}

.zone-image {
    position: relative;
    overflow: hidden;
    height: 300px;
}

.zone-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.zone-card:hover .zone-image img {
    transform: scale(1.1);
}

.zone-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: var(--spacing-sm);
}

.zone-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 107, 0, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    border: 2px solid var(--color-accent-orange);
}

.zone-time svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent-orange);
}

.zone-time span {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    color: var(--color-text-primary);
}

.zone-content {
    padding: var(--spacing-md);
}

.zone-content h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-orange);
    text-transform: uppercase;
}

.zone-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===================================
   Categories Section
   =================================== */
.categories-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-primary);
}

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

.category-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.category-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.category-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--color-accent-orange);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(255, 107, 0, 0.1) 100%);
    box-shadow: 0 15px 40px rgba(255, 107, 0, 0.2);
}

.category-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.category-card h3 {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-orange);
    text-transform: uppercase;
}

.category-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.all-levels-badge {
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--gradient-primary);
    padding: 1rem 2rem;
    border-radius: 50px;
    max-width: fit-content;
    margin: 0 auto;
}

.badge-icon {
    font-size: 1.5rem;
}

.badge-text {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   Registration Section
   =================================== */
.registration-section {
    padding: var(--spacing-xl) 0;
    background: url('assets/images/zonas.jpg') center/cover no-repeat;
    position: relative;
}

.registration-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.85) 0%, rgba(26, 26, 26, 0.9) 100%);
}

.registration-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.registration-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
}

.registration-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.registration-info {
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo h3 {
    font-family: var(--font-primary);
    display: flex;
    gap: 0.5rem;
    font-size: 2rem;
}

.footer-logo .bsnt {
    color: var(--color-text-primary);
}

.footer-logo .hybrid {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.footer-tagline a {
    color: var(--color-accent-orange);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    position: relative;
}

.footer-tagline a:hover {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateX(3px);
}

.footer-tagline a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.footer-tagline a:hover::after {
    width: 100%;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-orange);
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .timeline-visual {
        flex-direction: column;
    }

    .timeline-connector {
        width: 3px;
        height: 40px;
        align-self: center;
        margin: 0;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

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

@media (max-width: 480px) {

    .cta-button,
    .cta-button-secondary {
        display: block;
        margin: 0.5rem auto;
    }

    .logo-text .bsnt {
        font-size: 3rem;
    }

    .logo-text .hybrid {
        font-size: 2rem;
    }
}