/* =====================================================
   VARIABLES Y SISTEMA DE DISEÑO
===================================================== */
:root {
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t: 0.35s;
    --radius: 8px;
    --radius_lg: 12px;
    --certs_per_page: 24;
}

/* Tema oscuro */
[data-theme="dark"] {
    --bg: #080c10;
    --bg2: #0d1117;
    --bg3: #131922;
    --bg4: #192030;
    --border: rgba(255, 255, 255, 0.07);
    --border2: rgba(255, 255, 255, 0.14);
    --text: #e8edf5;
    --text2: #7e8fa8;
    --text3: #4a5568;
    --accent: #f6a623;
    --accent2: #3b82f6;
    --glow: rgba(246, 166, 35, 0.12);
    --glow2: rgba(59, 130, 246, 0.12);
    --tag_bg: rgba(59, 130, 246, 0.12);
    --tag_text: #93c5fd;
    --card_shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
    --overlay: rgba(8, 12, 16, 0.94);
    --grid_line: rgba(255, 255, 255, 0.04);
    --yt_red: #ff4444;
}

/* Tema claro */
[data-theme="light"] {
    --bg: #f2f0ea;
    --bg2: #eae8e0;
    --bg3: #ffffff;
    --bg4: #f8f7f4;
    --border: rgba(0, 0, 0, 0.08);
    --border2: rgba(0, 0, 0, 0.15);
    --text: #111827;
    --text2: #4b5563;
    --text3: #9ca3af;
    --accent: #c2620a;
    --accent2: #1d4ed8;
    --glow: rgba(194, 98, 10, 0.08);
    --glow2: rgba(29, 78, 216, 0.08);
    --tag_bg: rgba(29, 78, 216, 0.08);
    --tag_text: #1d4ed8;
    --card_shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    --overlay: rgba(242, 240, 234, 0.94);
    --grid_line: rgba(0, 0, 0, 0.035);
    --yt_red: #cc0000;
}

/* =====================================================
   RESET Y BASE
===================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Sora', sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background var(--t) var(--ease), color var(--t) var(--ease);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Cuadrícula de fondo */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(var(--grid_line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid_line) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 2px;
}

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

a {
    color: inherit;
}

/* =====================================================
   BARRA DE NAVEGACIÓN
===================================================== */
#main_nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    padding: 0 2.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--overlay);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transition: background var(--t), border-color var(--t);
}

.nav_logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav_logo_slash {
    opacity: 0.5;
}

.nav_links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav_links a {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text2);
    text-decoration: none;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.nav_links a:hover {
    color: var(--text);
}

.nav_right {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.toggle_label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn_theme {
    width: 44px;
    height: 24px;
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: 999px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    padding: 3px;
}

.btn_theme::after {
    content: '';
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    transition: transform 0.3s var(--ease);
}

[data-theme="light"] .btn_theme::after {
    transform: translateX(20px);
}

/* =====================================================
   LAYOUT GENERAL
===================================================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

section {
    padding: 7rem 0;
}

.section_header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 3.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Ojo de buey (eyebrow label) */
.eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.eyebrow::before {
    content: '//';
    opacity: 0.5;
}

.section_title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.section_title em {
    font-style: italic;
    color: var(--accent);
}

.section_subtitle {
    font-size: 1rem;
    color: var(--text2);
    max-width: 560px;
    line-height: 1.75;
}

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

/* =====================================================
   BOTONES
===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.72rem 1.6rem;
    border-radius: var(--radius);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.76rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.25s var(--ease);
    white-space: nowrap;
}

.btn_primary {
    background: var(--accent);
    color: #0a0a0a;
    border-color: var(--accent);
}

.btn_primary:hover {
    filter: brightness(1.15);
    transform: translateY(-1px);
}

.btn_outline {
    background: transparent;
    color: var(--text);
    border-color: var(--border2);
}

.btn_outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--glow);
}

/* =====================================================
   HERO
===================================================== */
.hero_section {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding-top: 60px;
}

.hero_grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero_badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text2);
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.35rem 1rem;
    margin-bottom: 1.5rem;
}

.green_dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px #22c55e;
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(0.85);
    }
}

.hero_name {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1.05;
    margin-bottom: 0.5rem;
}

.hero_name em {
    display: block;
    font-style: italic;
    color: var(--accent);
}

.hero_role {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--accent2);
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero_description {
    font-size: 1rem;
    color: var(--text2);
    max-width: 500px;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.hero_actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Tarjeta hero */
.hero_card {
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: var(--radius_lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--card_shadow);
    position: relative;
    overflow: hidden;
}

.hero_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 2.4rem;
    color: white;
    font-weight: 700;
    user-select: none;
}

.stats_row {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}

.stat {
    flex: 1;
    text-align: center;
    background: var(--bg4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 0.5rem;
}

.stat_number {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--accent);
}

.stat_label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.social_links {
    display: flex;
    gap: 0.75rem;
}

.social_btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--bg4);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text2);
    text-decoration: none;
    transition: all 0.2s;
}

.social_btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--glow);
    transform: translateY(-2px);
}

/* =====================================================
   SOBRE MÍ
===================================================== */
.about_section {
    background: var(--bg2);
}

.about_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about_text p {
    color: var(--text2);
    line-height: 1.85;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.skills_grid {
    display: grid;
    gap: 1.25rem;
}

.group_title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.6rem;
}

.tags_container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--tag_text);
    background: var(--tag_bg);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.28rem 0.7rem;
    border-radius: 4px;
    letter-spacing: 0.04em;
    transition: all 0.2s;
    cursor: default;
}

.tag:hover {
    background: var(--glow2);
    border-color: var(--accent2);
}

/* =====================================================
   LÍNEA DE TIEMPO (EXPERIENCIA)
===================================================== */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), transparent);
}

.tl_item {
    position: relative;
    padding-bottom: 3rem;
}

.tl_item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 8px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--glow);
    transform: translateX(-4px);
}

.tl_date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    color: var(--text3);
    letter-spacing: 0.1em;
    margin-bottom: 0.3rem;
}

.tl_role {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.tl_company {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.7rem;
}

.tl_description {
    font-size: 0.88rem;
    color: var(--text2);
    line-height: 1.7;
}

/* =====================================================
   PROYECTOS
===================================================== */
.projects_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project_card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius_lg);
    overflow: hidden;
    box-shadow: var(--card_shadow);
    transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.project_card:hover {
    transform: translateY(-4px);
    border-color: var(--border2);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

/* Media del proyecto */
.project_media {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg4);
    position: relative;
    overflow: hidden;
}

.project_media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease);
}

.project_card:hover .project_media img {
    transform: scale(1.04);
}

.project_media iframe {
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
}

.project_card:hover .project_media iframe {
    pointer-events: auto;
}

/* Overlay del thumbnail de YouTube */
.yt_overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
    cursor: pointer;
    transition: background 0.2s;
}

.yt_overlay:hover {
    background: rgba(0, 0, 0, 0.5);
}

.yt_play_btn {
    width: 56px;
    height: 56px;
    background: rgba(0, 0, 0, 0.75);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, background 0.2s;
}

.yt_overlay:hover .yt_play_btn {
    transform: scale(1.12);
    background: var(--yt_red);
}

.media_empty {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text3);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
}

.media_empty svg {
    width: 32px;
    height: 32px;
    opacity: 0.25;
}

/* Cuerpo tarjeta proyecto */
.project_body {
    padding: 1.5rem;
}

.project_badge_row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.badge_type {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
}

.badge_video {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge_image {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.card_actions {
    display: flex;
    gap: 0.4rem;
}

.btn_card_action {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text3);
    font-size: 0.82rem;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.btn_card_action:hover {
    color: var(--accent);
    background: var(--glow);
}

.project_name {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.project_desc {
    font-size: 0.87rem;
    color: var(--text2);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.project_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.project_links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.project_link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--text2);
    text-decoration: none;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.2s;
}

.project_link:hover {
    color: var(--accent);
}

.project_link svg {
    flex-shrink: 0;
}

/* Tarjeta "Agregar" */
.add_card {
    border: 2px dashed var(--border2);
    border-radius: var(--radius_lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 280px;
    color: var(--text3);
    cursor: pointer;
    transition: all 0.25s;
    background: transparent;
}

.add_card:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--glow);
}

.add_card span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* =====================================================
   CERTIFICACIONES
===================================================== */
.certs_section {
    background: var(--bg2);
}

/* Barra de filtros */
.filter_bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.search_input {
    flex: 1;
    min-width: 220px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.65rem 1rem;
    color: var(--text);
    font-family: 'Sora', sans-serif;
    font-size: 0.88rem;
    transition: border-color 0.2s;
}

.search_input:focus {
    outline: none;
    border-color: var(--accent);
}

.search_input::placeholder {
    color: var(--text3);
}

.category_filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter_btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    border: 1px solid var(--border2);
    background: transparent;
    color: var(--text2);
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.filter_btn:hover,
.filter_btn.active {
    background: var(--accent);
    color: #0a0a0a;
    border-color: var(--accent);
}

.certs_counter {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text3);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

/* Grilla de certs — densidad alta para 100+ elementos */
.certs_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;

}

/* Tarjeta de certificación */
.cert_card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius_lg);
    overflow: hidden;
    box-shadow: var(--card_shadow);
    transition: transform 0.3s var(--ease), border-color 0.3s;
    cursor: pointer;
}

.cert_card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}

.cert_image_wrap {
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--bg4);
    overflow: hidden;
    position: relative;
}

.cert_image_wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease);
}

.cert_card:hover .cert_image_wrap img {
    transform: scale(1.04);
}

.cert_img_placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text3);
}

.cert_img_placeholder svg {
    width: 32px;
    height: 32px;
    opacity: 0.2;
}

/* Overlay de imagen */
.cert_overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.65), transparent);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: flex-end;
    padding: 0.6rem 0.75rem;
}

.cert_card:hover .cert_overlay {
    opacity: 1;
}

.cert_overlay_text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* Cuerpo tarjeta cert */
.cert_body {
    padding: 1rem 1.1rem;
}

.cert_header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}

.cert_issuer {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.cert_name {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.4rem;
}

.cert_footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.cert_date {
    font-size: 0.72rem;
    color: var(--text3);
    font-family: 'JetBrains Mono', monospace;
}

.cert_category {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: var(--tag_bg);
    color: var(--tag_text);
    border: 1px solid rgba(59, 130, 246, 0.2);
    white-space: nowrap;
}

.cert_actions {
    display: flex;
    gap: 0.3rem;
}

/* Tarjeta vacía de resultado */
.certs_empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text3);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

/* Paginación */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.page_btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 500;
    min-width: 36px;
    height: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border2);
    background: transparent;
    color: var(--text2);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.6rem;
}

.page_btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--glow);
}

.page_btn.active {
    background: var(--accent);
    color: #0a0a0a;
    border-color: var(--accent);
}

.page_btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page_info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--text3);
    padding: 0 0.5rem;
}

/* =====================================================
   CONTACTO
===================================================== */
.contact_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact_info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact_item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact_icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--bg3);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.contact_label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.64rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.2rem;
}

.contact_value {
    font-size: 0.9rem;
    color: var(--text);
}

.contact_value a {
    color: var(--accent);
    text-decoration: none;
    transition: filter 0.2s;
}

.contact_value a:hover {
    filter: brightness(1.2);
}

/* Formulario de contacto */
.contact_form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.field_group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field_label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.field_input,
.field_textarea {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    color: var(--text);
    font-family: 'Sora', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    resize: none;
}

.field_input:focus,
.field_textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--glow);
}

.field_input::placeholder,
.field_textarea::placeholder {
    color: var(--text3);
}

.field_textarea {
    min-height: 120px;
}

/* =====================================================
   FOOTER
===================================================== */
#main_footer {
    border-top: 1px solid var(--border);
    background: var(--bg2);
}

.footer_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    padding: 3.5rem 0 2.5rem;
}

.footer_section {
    opacity: 0;
    transform: translateY(24px);
    animation: reveal_anim 0.65s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.footer_section.reveal_d1 {
    animation-delay: 0.1s;
}

.footer_section.reveal_d2 {
    animation-delay: 0.2s;
}

.footer_section.reveal_d3 {
    animation-delay: 0.3s;
}

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

.footer_logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.footer_logo_slash {
    opacity: 0.5;
}

.footer_tagline {
    font-size: 0.85rem;
    color: var(--text2);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 280px;
}

.footer_social {
    display: flex;
    gap: 0.75rem;
}

.footer_social a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius);
    background: var(--bg3);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text2);
    text-decoration: none;
    transition: all 0.25s var(--ease);
}

.footer_social a:hover {
    background: var(--glow);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.footer_title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer_links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    list-style: none;
}

.footer_links a {
    font-size: 0.85rem;
    color: var(--text2);
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.footer_links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.2s;
}

.footer_links a:hover {
    color: var(--accent);
}

.footer_links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer_tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech_badge {
    display: inline-flex;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: var(--tag_bg);
    color: var(--tag_text);
    border: 1px solid rgba(59, 130, 246, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: all 0.2s;
}

.tech_badge:hover {
    background: var(--glow2);
    border-color: var(--accent2);
    transform: scale(1.05);
}

.footer_divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 2rem 0;
}

.footer_bottom {
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.footer_copyright {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text3);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer_credits {
    font-size: 0.75rem;
    color: var(--text3);
    letter-spacing: 0.05em;
}

.footer_credits .accent {
    color: var(--accent);
    font-weight: 500;
}

/* =====================================================
   MODALES
===================================================== */
.modal_backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal_backdrop.open {
    display: flex;
}

.modal {
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: var(--radius_lg);
    padding: 2rem;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modal_enter 0.3s var(--ease);
}

@keyframes modal_enter {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(10px);
    }

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

.modal_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
}

.modal_title {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
}

.modal_close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    background: var(--bg4);
    border: 1px solid var(--border);
    cursor: pointer;
    color: var(--text2);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal_close:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.modal_form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal_form input,
.modal_form textarea,
.modal_form select {
    width: 100%;
    background: var(--bg4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.65rem 0.875rem;
    color: var(--text);
    font-family: 'Sora', sans-serif;
    font-size: 0.88rem;
    transition: border-color 0.2s;
}

.modal_form input:focus,
.modal_form textarea:focus,
.modal_form select:focus {
    outline: none;
    border-color: var(--accent);
}

.modal_form input::placeholder,
.modal_form textarea::placeholder {
    color: var(--text3);
}

.modal_form textarea {
    resize: vertical;
    min-height: 90px;
}

.modal_form select {
    appearance: none;
    cursor: pointer;
}

.field_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.modal_label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.64rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.3rem;
}

.modal_help {
    font-size: 0.7rem;
    color: var(--text3);
    margin-top: 0.25rem;
}

.modal_footer {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

/* Selector de tipo de media */
.type_selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.type_option {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.type_option.active {
    border-color: var(--accent);
    background: var(--glow);
    color: var(--accent);
}

.type_option span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Vista previa de media */
.media_preview {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: none;
    margin-top: 0.5rem;
}

.media_preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media_preview.visible {
    display: block;
}

/* Visor de imagen (modal grande) */
.modal_viewer {
    align-items: center;
    justify-content: center;
}

.viewer_content {
    position: relative;
    max-width: 860px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: modal_enter 0.3s var(--ease);
}

.viewer_close {
    position: absolute;
    top: -12px;
    right: -12px;
    z-index: 10;
    width: 36px;
    height: 36px;
    background: var(--bg3);
    border: 1px solid var(--border2);
    color: var(--text);
    font-size: 1rem;
}

.viewer_content img {
    max-height: 75vh;
    width: auto;
    border-radius: var(--radius_lg);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
    object-fit: contain;
}

.viewer_info {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.viewer_name {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: white;
}

.viewer_issuer {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* =====================================================
   SCROLL REVEAL
===================================================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

.reveal_d1 {
    transition-delay: 0.1s;
}

.reveal_d2 {
    transition-delay: 0.2s;
}

.reveal_d3 {
    transition-delay: 0.3s;
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 860px) {
    .hero_grid {
        grid-template-columns: 1fr;
    }

    .hero_card {
        max-width: 340px;
    }

    .hero_content {
        margin-top: 20px;
    }

    .about_grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .nav_links {
        display: none;
    }
}

@media (max-width: 640px) {
    section {
        padding: 5rem 0;
    }

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

    .certs_grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }

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

    #main_nav {
        padding: 0 1.25rem;
    }

    .container {
        padding: 0 1.25rem;
    }

    .footer_grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer_title {
        font-size: 1rem;
    }

    .footer_bottom {
        gap: 0.75rem;
    }
}