/**
 * @file styles.css
 * @description Diseño estético premium, glassmorphism, variables avanzadas y animaciones del portal Stackupia.
 * @author Gerardo Paiva G.
 * @date 18-07-2026
 * 
 * HISTORIAL DE CAMBIOS:
 * Version | Fecha      | Autor            | Descripción
 * V1.0.0  | 18-07-2026 | Gerardo Paiva G. | Diseño visual completo con estética dark mode, tarjetas glassmorphic, micro-animaciones y soporte responsivo completo.
 */

:root {
    --bg-dark: #070709;
    --bg-card: rgba(18, 18, 26, 0.65);
    --bg-card-hover: rgba(26, 26, 38, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 168, 255, 0.15);
    --text-primary: #f1f2f6;
    --text-secondary: #a4b0be;
    --text-muted: #57606f;
    --color-accent: #00d2d3;
    --color-primary: #0984e3;
    --color-secondary: #6c5ce7;
    --color-success: #1dd1a1;
    --color-error: #ff6b6b;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.font-mono {
    font-family: var(--font-mono);
}

/* Glassmorphism Common Class */
.glassmorphic {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Main Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.brand-logo-img {
    height: 36px;
    width: auto;
    border-radius: 6px;
    object-fit: contain;
}

.logo-accent {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(0, 210, 211, 0.4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(9, 132, 227, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(9, 132, 227, 0.5), 0 0 12px var(--color-accent);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-block {
    display: width;
    width: 100%;
    padding: 14px;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0 100px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--bg-dark);
}

.hero-glow-1 {
    position: absolute;
    top: 10%;
    left: 20%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(9, 132, 227, 0.18) 0%, rgba(0,0,0,0) 70%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-glow-2 {
    position: absolute;
    bottom: 10%;
    right: 20%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.18) 0%, rgba(0,0,0,0) 70%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 40px auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Common Section Styles */
section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 12px 40px rgba(0, 210, 211, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Interactive Stack Builder Workspace */
.builder-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
    border-radius: 16px;
}

.builder-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-input {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

select.form-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300d2d3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(0, 210, 211, 0.25);
}

.checkbox-group {
    margin-top: 10px;
}

.checkbox-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input {
    accent-color: var(--color-accent);
    width: 16px;
    height: 16px;
}

.builder-preview {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: rgba(0, 0, 0, 0.3);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.preview-metrics {
    display: flex;
    gap: 20px;
}

.metric-box {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.metric-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-accent);
}

.architecture-output {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.architecture-code {
    background: #020203;
    padding: 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: #00ffcc;
    border: 1px solid rgba(0, 255, 204, 0.15);
    white-space: pre-wrap;
    overflow-x: auto;
    flex-grow: 1;
    min-height: 180px;
}

/* SRE Monitor & Health */
.monitor-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.monitor-card {
    padding: 30px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.wide-card {
    grid-column: span 2;
}

.uptime-bar-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.uptime-percentage {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-success);
}

.uptime-bars {
    display: flex;
    gap: 4px;
    height: 18px;
}

.bar {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.bar.success {
    background: var(--color-success);
    box-shadow: 0 0 6px rgba(29, 209, 161, 0.5);
}

.gauge-container {
    display: flex;
    justify-content: space-around;
    gap: 20px;
}

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

.gauge-value {
    font-size: 2.5rem;
    font-weight: 800;
}

.gauge-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.chart-container {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.live-chart-visualization {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 120px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--color-primary), var(--color-accent));
    min-height: 5px;
    border-radius: 2px 2px 0 0;
    transition: height 0.3s ease;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.monitor-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Project Tracker Terminal */
.tracker-workspace {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tracker-input-area {
    display: flex;
    gap: 16px;
}

.tracker-input-area .form-input {
    flex-grow: 1;
    font-size: 1.05rem;
    text-transform: uppercase;
}

.tracker-results {
    background: #020203;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.terminal-header {
    background: #14141e;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: var(--color-error); }
.dot.yellow { background: #ffbe2e; }
.dot.green { background: var(--color-success); }

.terminal-title {
    margin-left: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 20px;
    font-size: 0.85rem;
    line-height: 1.8;
    color: #f1f2f6;
    min-height: 250px;
    max-height: 350px;
    overflow-y: auto;
}

.terminal-line {
    margin-bottom: 4px;
}

.terminal-line.text-success { color: var(--color-success); }
.terminal-line.text-error { color: var(--color-error); }
.terminal-line.text-accent { color: var(--color-accent); }
.terminal-line.text-muted { color: var(--text-muted); }

/* Contact Section & Form */
.contact-container {
    display: grid;
    grid-template-columns: 4fr 5fr;
    gap: 40px;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
}

.contact-info-panel h2 {
    font-size: 2.25rem;
    font-weight: 700;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    font-size: 1.75rem;
    background: rgba(255, 255, 255, 0.03);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-form-panel {
    padding: 40px;
    border-radius: 16px;
}

.contact-form-panel h3 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.project-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.text-area {
    min-height: 120px;
    resize: vertical;
}

.form-feedback-message {
    font-size: 0.9rem;
    text-align: center;
    padding: 10px;
    border-radius: 6px;
    display: none;
}

.form-feedback-message.success {
    display: block;
    background: rgba(29, 209, 161, 0.15);
    color: var(--color-success);
    border: 1px solid rgba(29, 209, 161, 0.3);
}

/* Footer */
.main-footer {
    padding: 40px 0;
    background: #020203;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-version {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-delayed {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.3s forwards;
}

.animate-fade-in-delayed-more {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.6s forwards;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .builder-workspace {
        grid-template-columns: 1fr;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    .monitor-grid {
        grid-template-columns: 1fr;
    }
    .wide-card {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .main-header .nav-menu {
        display: none; /* Simplification for mobile view */
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}