@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@100;400;700&display=swap');

:root {
    --bg-color: #ffffff;
    --text-color: #18181b;
    --text-muted: #52525b;
    --accent-color: #2563eb;
    --border-color: #e4e4e7;
    --container-bg: #f4f4f5;
    --tag-bg: #e4e4e7;
    --font-mono: 'Google Sans Code', 'JetBrains Mono', 'Courier New', Courier, 'Liberation Mono', monospace;
}

[data-theme="amanecer"] {
    --bg-color: #fcfaf8;
    --text-color: #3d3b38;
    --text-muted: #736d65;
    --accent-color: #d97706;
    --border-color: #e5dfd3;
    --container-bg: #f4f0e6;
    --tag-bg: #e8e2d4;
}

[data-theme="dia"] {
    --bg-color: #ffffff;
    --text-color: #18181b;
    --text-muted: #52525b;
    --accent-color: #2563eb;
    --border-color: #e4e4e7;
    --container-bg: #f4f4f5;
    --tag-bg: #e4e4e7;
}

[data-theme="atardecer"] {
    --bg-color: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #38bdf8;
    --border-color: #334155;
    --container-bg: #0f172a;
    --tag-bg: #334155;
}

[data-theme="noche"] {
    --bg-color: #000000;
    --text-color: #e5e5e5;
    --text-muted: #a3a3a3;
    --accent-color: #3b82f6;
    --border-color: #262626;
    --container-bg: #0a0a0a;
    --tag-bg: #171717;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.5s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

::selection {
    background-color: var(--accent-color);
    color: #fff;
}

/* Header */
header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    background-color: var(--container-bg);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    line-height: 1;
    letter-spacing: -2px;
}

.icon-open {
    transform: translateY(-3px); /* Sube el < */
}

.icon-slash {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 1.8rem;
    margin: 0 -2px;
}

.icon-close {
    transform: translateY(3px); /* Baja el > */
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-bold {
    font-weight: 700;
    color: var(--text-color);
}

.logo-dot {
    display: inline-block;
    transform: translateY(2px); /* Baja el punto medio levemente */
}

.logo-thin {
    font-weight: 100; /* Letra delgada */
    color: var(--text-muted);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Buttons in Header */
.btn-contact-header {
    background-color: var(--accent-color);
    color: #fff;
    text-decoration: none;
    font-family: var(--font-mono);
    padding: 0 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    box-sizing: border-box;
}

.btn-contact-header .btn-icon {
    display: none;
    font-size: 1.2rem;
}

.btn-contact-header:hover {
    background-color: var(--text-color);
}

.btn-theme {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    padding: 0 0.75rem; /* Reducido para que el botón cuadrado se vea mejor */
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    box-sizing: border-box;
    gap: 0.5rem;
}

.btn-theme .theme-icon-symbol {
    display: inline-flex;
    font-size: 1.2rem;
}

.btn-theme:hover {
    background-color: var(--tag-bg);
}

@media (max-width: 600px) {
    .btn-contact-header {
        padding: 0 0.75rem;
    }
    .btn-contact-header .btn-text {
        display: none;
    }
    .btn-contact-header .btn-icon {
        display: inline;
    }
    
    .btn-theme {
        padding: 0 0.75rem;
    }
    .btn-theme .theme-text {
        display: none;
    }
    .btn-theme .theme-icon-symbol {
        display: inline;
    }
}

/* Main Content */
main {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    width: 100%;
}

.section {
    margin-bottom: 4rem;
    border-top: 1px dashed var(--border-color);
    padding-top: 2rem;
    transition: border-color 0.5s ease;
}

/* Hero Section */
.hero {
    margin-bottom: 4rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    display: inline;
}

.cursor {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-color);
    opacity: 0;
}

.active-cursor + .cursor {
    animation: blink 1s step-end infinite;
}

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

@keyframes blink-illuminate {
    0%, 100% { 
        border-left-color: var(--accent-color);
    }
    50% { 
        border-left-color: var(--border-color);
        box-shadow: none;
    }
}

.contact-btn.illuminate {
    border-left: 3px solid var(--border-color);
    animation: blink-illuminate 1s step-end infinite;
}

.material-symbols-outlined {
  font-variation-settings:
  'FILL' 0,
  'wght' 300,
  'GRAD' 0,
  'opsz' 24
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    transition: color 0.5s ease;
}

.description {
    font-size: 1.1rem;
    margin-bottom: 0;
    max-width: 600px;
}

.hero-description-wrapper {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-photo {
    width: 150px;
    aspect-ratio: 1 / 1;
    border-radius: 4px;
    object-fit: cover;
    object-position: center 20%;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
}

.profile-photo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .hero-description-wrapper {
        flex-direction: column-reverse;
        text-align: center;
        gap: 1.5rem;
    }
    
    .description {
        margin-left: auto;
        margin-right: auto;
    }
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background-color: var(--tag-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: background-color 0.5s ease, border-color 0.5s ease, opacity 0.5s ease, transform 0.5s ease;
}

.hidden-tag {
    display: none;
    opacity: 0;
    transform: translateY(10px);
}

.show-tag {
    display: inline-block;
    animation: fadeInUp 0.5s forwards;
}

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

/* Typography */
h2, p[data-typing] {
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h2 {
    font-size: 1.5rem;
}

h2::after, p[data-typing]::after {
    content: "_";
    color: var(--accent-color);
    opacity: 0;
}

h2.active-cursor::after, p.active-cursor::after {
    animation: blink 1s step-end infinite;
}

/* Services */
.section-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-style: italic;
    transition: color 0.5s ease;
}

.service-list {
    list-style: none;
}

.service-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
}

.bullet {
    color: var(--accent-color);
    margin-right: 0.75rem;
    font-weight: bold;
}

/* Stack */
.stack-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 600px) {
    .stack-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.stack-category {
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 4px;
    transition: background-color 0.5s ease, border-color 0.5s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 3px solid var(--border-color);
}

.stack-category:hover {
    transform: translateY(-5px);
    border-left-color: var(--accent-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.stack-category h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--accent-color);
}

/* Methodology Steps */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-card {
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 4px;
    transition: background-color 0.5s ease, border-color 0.5s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 3px solid var(--border-color); /* Base para la transición */
}

.step-card:hover {
    transform: translateY(-5px);
    border-left-color: var(--accent-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.step-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    opacity: 0.8;
    transition: letter-spacing 0.3s ease, color 0.3s ease;
    display: inline-block;
}

.step-card:hover .step-number {
    letter-spacing: 2px;
    color: var(--text-color);
    opacity: 1;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

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

/* Clients */
.clients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 600px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.client-card {
    background-color: var(--container-bg);
    border: 1px dashed var(--border-color);
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    transition: background-color 0.5s ease, border-color 0.5s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 3px solid var(--border-color);
}

.client-card:hover {
    transform: translateY(-5px);
    border-left-color: var(--accent-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Contact */
.email-btn-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.blinking-arrow {
    position: absolute;
    left: -20px;
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: bold;
    font-family: var(--font-mono);
    animation: blink 1s step-end infinite;
}

.contact-links {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

@media (min-width: 600px) {
    .contact-links {
        flex-direction: row;
    }
    
    .contact-links > * {
        flex: 1;
    }
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1.5rem;
    background-color: var(--container-bg);
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 1rem;
    min-width: 260px; /* Evita que el botón se encoja al cambiar texto */
    width: 100%;
    height: 50px;
    box-sizing: border-box;
}

.contact-icon {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
}

.contact-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

/* Floating Panel */
.floating-panel {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 100;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.floating-panel:hover {
    opacity: 1;
}

.panel-btn {
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: bold;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.panel-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.panel-btn.disabled {
    opacity: 0.3;
    pointer-events: none;
    cursor: default;
}

@media (max-width: 600px) {
    .floating-panel {
        bottom: 1rem;
        right: 1rem;
    }
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: border-color 0.5s ease, color 0.5s ease;
}