/* ===================================
   Arkos - Tech/Futurista Styles
   Colores del Brandbook Oficial
   =================================== */

/* CSS Variables - Brandbook Colors */
:root {
    /* Primary Colors */
    --color-primary: #FF3B1F;
    --color-black: #030505;
    --color-white: #F5F5F5;

    /* Secondary Colors */
    --color-orange: #E84F03;
    --color-dark-gray: #333333;
    --color-medium-gray: #999696;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF3B1F 50%, #E84F03 100%);
    --gradient-dark: linear-gradient(180deg, #030505 0%, #333333 100%);

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

    /* Typography */
    --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

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

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
}

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

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
}

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

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(3, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 59, 31, 0.1);
    padding: var(--spacing-sm) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

/* Legacy styles - mantener por compatibilidad */
.logo-icon {
    color: var(--color-primary);
    font-size: 1.8rem;
}

.logo-text {
    color: var(--color-white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(255, 59, 31, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 59, 31, 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 59, 31, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(232, 79, 3, 0.1) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-title .gradient-text {
    display: block;
    margin-top: 0.25em;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-medium-gray);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeIn 1.5s ease-out 0.5s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.floating-card {
    position: absolute;
    width: 200px;
    height: 280px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(255, 59, 31, 0.1) 0%, rgba(232, 79, 3, 0.05) 100%);
    border: 1px solid rgba(255, 59, 31, 0.2);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    top: 150px;
    right: 100px;
    animation-delay: 2s;
}

.card-3 {
    bottom: 50px;
    left: 150px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

/* ===================================
   Features Section
   =================================== */

.features {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--color-black) 0%, #0a0a0a 100%);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-lg);
}

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

.feature-card {
    padding: var(--spacing-md);
    background: rgba(255, 59, 31, 0.03);
    border: 1px solid rgba(255, 59, 31, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 59, 31, 0.3);
    box-shadow: 0 10px 40px rgba(255, 59, 31, 0.1);
}

.feature-icon {
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--color-medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-black);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-item strong {
    color: var(--color-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item a {
    color: var(--color-white);
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* Form Styles */
.contact-form {
    background: rgba(255, 59, 31, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 59, 31, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-white);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 59, 31, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 59, 31, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--color-dark-gray);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--color-medium-gray);
    margin-top: var(--spacing-sm);
}

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

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-medium-gray);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 59, 31, 0.1);
    padding-top: var(--spacing-sm);
}

.footer-bottom p {
    text-align: center;
    color: var(--color-medium-gray);
    font-size: 0.875rem;
}

/* ===================================
   Hola Mundo Page Styles
   =================================== */

.hola-mundo {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hola-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.display-title {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: var(--spacing-md);
}

.hola-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-medium-gray);
    margin-bottom: var(--spacing-sm);
}

.hola-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Code Window */
.code-window {
    background: rgba(51, 51, 51, 0.8);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 59, 31, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.code-header {
    background: rgba(3, 5, 5, 0.8);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(255, 59, 31, 0.1);
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-medium-gray);
}

.code-dots span:first-child {
    background: #FF5F56;
}

.code-dots span:nth-child(2) {
    background: #FFBD2E;
}

.code-dots span:last-child {
    background: #27C93F;
}

.code-title {
    color: var(--color-medium-gray);
    font-size: 0.875rem;
}

.code-body {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-body pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-keyword {
    color: #FF6B9D;
}

.code-variable {
    color: #C792EA;
}

.code-property {
    color: #82AAFF;
}

.code-string {
    color: #C3E88D;
}

.code-comment {
    color: var(--color-medium-gray);
    font-style: italic;
}

.code-method {
    color: #FFCB6B;
}

/* Animated Background for Hola Page */
.hola-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    opacity: 0.3;
}

.animated-grid {
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 59, 31, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 59, 31, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 968px) {
    .hero-content,
    .contact-content,
    .hola-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-visual {
        height: 300px;
        order: -1;
    }

    .floating-card {
        width: 150px;
        height: 200px;
    }

    .nav-links {
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hola-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero,
    .hola-mundo {
        min-height: auto;
        padding: calc(var(--spacing-lg) + 60px) 0 var(--spacing-lg);
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .nav-links {
        display: none;
    }

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

    .code-body {
        padding: 1rem;
    }

    .code-body pre {
        font-size: 0.8rem;
    }
}

/* ===================================
   Utility Classes
   =================================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }