/* Variables y base */
:root {
    --bg-primary: #050816;
    --bg-secondary: #0B1220;
    --blue-primary: #2563EB;
    --blue-light: #3B82F6;
    --blue-readable: #8BB4FF;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --border-color: rgba(148, 163, 184, .15);
    --border-blue: rgba(59, 130, 246, .35);
    --radius: 22px;
    --header-height: 80px;
    --ease: cubic-bezier(.22, 1, .36, 1);
    color-scheme: dark;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
}
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
}
ul {
    list-style: none;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
button {
    font: inherit;
}
svg {
    display: block;
    width: 27px;
    height: 27px;
}
::selection {
    color: var(--text-primary);
    background: #1D4ED8;
}
:focus-visible {
    outline: 2px solid var(--blue-readable);
    outline-offset: 5px;
}
main:focus, section[tabindex]:focus {
    outline: none;
}
.container {
    width: min(1200px, calc(100% - 64px));
    margin-inline: auto;
}
.section {
    padding-block: 100px;
}
section[id] {
    scroll-margin-top: 0;
}
h1, h2, h3 {
    line-height: 1.2;
    letter-spacing: -.035em;
    text-wrap: balance;
}
h2 {
    margin-bottom: 22px;
    font-size: clamp(30px, 3.2vw, 44px);
    font-weight: 700;
}
h2 span {
    color: var(--blue-light);
}
h3 {
    font-size: 22px;
    letter-spacing: -.025em;
}
.section-label, .hero-label {
    margin-bottom: 20px;
    color: var(--blue-readable);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .17em;
}
.services-header, .projects-header, .process-header {
    max-width: 680px;
    margin-bottom: 42px;
}
.about-description, .services-description, .projects-description, .process-description {
    color: var(--text-secondary);
    line-height: 1.8;
}
.skip-link {
    position: fixed;
    top: 10px;
    left: 16px;
    z-index: 2000;
    padding: 12px 20px;
    border-radius: 10px;
    color: var(--text-primary);
    background: var(--blue-primary);
    transform: translateY(-160%);
}
.skip-link:focus {
    transform: translateY(0);
}

/* Navegación */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    background: rgba(5, 8, 22, .94);
    backdrop-filter: blur(16px);
    transition: box-shadow .25s ease, border-color .25s ease;
}
.header.scrolled {
    border-color: var(--border-blue);
    box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
}
.navbar {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: var(--header-height);
}
.brand {
    flex-shrink: 0;
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -.06em;
    white-space: nowrap;
}
.brand span {
    color: var(--blue-light);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-links a {
    display: block;
    padding: 10px 13px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, .08);
}
.nav-links a.active {
    color: var(--blue-readable);
    background: rgba(37, 99, 235, .13);
    border-color: var(--border-blue);
}
.nav-contact {
    flex-shrink: 0;
    padding: 10px 18px;
    border: 1px solid var(--border-blue);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    transition: background .2s ease, border-color .2s ease;
}
.nav-contact:hover {
    background: rgba(37, 99, 235, .15);
    border-color: var(--blue-light);
}
.menu-toggle {
    display: none;
    flex-shrink: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--border-blue);
    border-radius: 12px;
    background: var(--bg-secondary);
    cursor: pointer;
}
.menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-primary);
    transition: transform .25s ease, opacity .25s ease;
}
.menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-7px) rotate(-45deg);
}

/* Botones y enlaces */
.btn, .contact-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 52px;
    padding: 13px 23px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    transition: transform .25s var(--ease), background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.btn-primary, .contact-button {
    background: var(--blue-primary);
    color: var(--text-primary);
    box-shadow: 0 8px 24px rgba(37, 99, 235, .18);
}
.btn-outline {
    background: rgba(11, 18, 32, .7);
    border-color: var(--border-color);
}
.btn-outline:hover {
    background: rgba(37, 99, 235, .12);
    border-color: var(--border-blue);
}
.btn-primary:hover, .contact-button:hover {
    background: #1D4ED8;
    box-shadow: 0 10px 32px rgba(37, 99, 235, .3);
}
.about-link, .service-link, .project-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    color: var(--blue-readable);
    font-size: 14px;
    font-weight: 600;
    text-underline-offset: 5px;
    transition: color .2s ease;
}
.about-link:hover, .service-link:hover, .project-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Inicio */
.hero {
    position: relative;
    isolation: isolate;
    background: radial-gradient(ellipse at 80% 45%, rgba(37, 99, 235, .13), transparent 55%), var(--bg-primary);
}
.hero-container {
    display: grid;
    grid-template-columns: 1.08fr 1fr;
    align-items: center;
    gap: 48px;
    min-height: 650px;
    padding-block: 88px 80px;
}
.hero-content, .hero-visual {
    min-width: 0;
}
.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}
.hero-label > span {
    font-family: monospace;
    color: var(--blue-light);
    font-size: 18px;
    letter-spacing: -.05em;
}
.hero-content h1 {
    max-width: 640px;
    margin-bottom: 24px;
    font-size: clamp(40px, 4.4vw, 64px);
    line-height: 1.08;
    font-weight: 750;
    letter-spacing: -.045em;
}
.hero-content h1 span {
    color: var(--blue-light);
}
.hero-description {
    max-width: 530px;
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.8;
}
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hero-note {
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: 12px;
}
.hero-note span {
    margin-inline: 8px;
    color: var(--blue-light);
}
.hero-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    margin-top: 34px;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
}
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 0;
}
.hero-visual::before {
    content: '';
    position: absolute;
    z-index: -1;
    width: 88%;
    aspect-ratio: 1;
    border: 1px solid rgba(59, 130, 246, .13);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, .11), transparent 68%);
    box-shadow: 0 0 0 34px rgba(59, 130, 246, .025), 0 0 0 68px rgba(59, 130, 246, .015);
}
.hero-image {
    width: 100%;
    max-width: 560px;
    filter: drop-shadow(0 18px 28px rgba(37, 99, 235, .15));
}
.hero-visual picture {
    display: block;
    width: 100%;
    max-width: 560px;
}
.visual-label, .visual-caption {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 10px;
    letter-spacing: .12em;
}
.visual-label {
    margin-bottom: 20px;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    background: rgba(11, 18, 32, .7);
}
.visual-caption {
    margin-top: 18px;
    font-size: 12px;
    letter-spacing: .01em;
}
.visual-caption > span {
    color: var(--blue-light);
    font-family: monospace;
    font-size: 17px;
}
.status-dot {
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue-light);
    box-shadow: 0 0 10px rgba(59, 130, 246, .4);
}

/* Sobre mí y habilidades */
.about {
    background: var(--bg-secondary);
    border-block: 1px solid var(--border-color);
}
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 84px;
}
.about-description {
    margin-bottom: 18px;
}
.about-link {
    margin-top: 6px;
}
.about-skills {
    min-width: 0;
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(37, 99, 235, .06), transparent 60%), var(--bg-primary);
}
.skills-header {
    position: relative;
    margin-bottom: 25px;
    padding-right: 50px;
}
.skills-icon {
    position: absolute;
    top: -3px;
    right: 0;
    color: var(--blue-light);
    font-family: monospace;
    font-size: 30px;
    letter-spacing: -.1em;
}
.skills-header h3 {
    margin-bottom: 9px;
}
.skills-header p {
    color: var(--text-secondary);
    font-size: 13px;
}
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.skills-grid li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    font-size: 13px;
    transition: background .25s ease, border-color .25s ease;
}
.skills-grid li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 2px;
    background: var(--blue-light);
}
.skills-grid li:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}
.skills-grid li:hover {
    border-color: var(--border-blue);
    background: rgba(37, 99, 235, .1);
}
.skills-status {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
}

/* Servicios */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}
.service-card, .project-card {
    min-width: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    transition: transform .3s var(--ease), border-color .3s ease, box-shadow .3s ease;
}
.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 30px;
}
.service-icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin-bottom: 26px;
    border: 1px solid var(--border-blue);
    border-radius: 15px;
    color: var(--blue-readable);
    background: rgba(37, 99, 235, .08);
}
.service-number {
    position: absolute;
    top: 35px;
    right: 30px;
    color: var(--text-secondary);
    font-family: monospace;
    font-size: 12px;
}
.service-card h3 {
    margin-bottom: 14px;
    font-size: 21px;
}
.service-card > p {
    margin-bottom: 22px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}
.service-features {
    display: grid;
    gap: 9px;
    margin-block: auto 24px;
    color: var(--text-secondary);
    font-size: 12px;
}
.service-features li {
    display: flex;
    align-items: baseline;
    gap: 9px;
}
.service-features li::before {
    content: '+';
    flex-shrink: 0;
    color: var(--blue-readable);
    font-size: 14px;
}
.service-link {
    justify-content: space-between;
    width: 100%;
    padding-top: 17px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
}

/* Proyectos */
.projects {
    border-block: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 26px;
}
.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}
.project-image {
    position: relative;
    aspect-ratio: 16 / 8;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform .5s var(--ease);
}
.project-image picture {
    display: block;
    width: 100%;
    height: 100%;
}
.project-badge {
    position: absolute;
    bottom: 14px;
    left: 16px;
    max-width: calc(100% - 32px);
    padding: 5px 11px;
    border: 1px solid var(--border-blue);
    border-radius: 100px;
    color: var(--text-primary);
    background: rgba(5, 8, 22, .94);
    font-size: 11px;
}
.project-info {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
}
.project-category {
    margin-bottom: 9px;
    color: var(--blue-readable);
    font-size: 11px;
    letter-spacing: .06em;
}
.project-info h3 {
    margin-bottom: 12px;
    font-size: 24px;
}
.project-info > p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}
.project-tech li {
    padding: 4px 11px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    font-size: 11px;
}
.project-info > .project-plan {
    padding-left: 12px;
    border-left: 2px solid var(--border-blue);
    font-size: 12px;
}
.project-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 20px;
    width: 100%;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}
.project-pending {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    margin-top: auto;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: default;
    pointer-events: none;
}
.project-pending::before {
    content: '';
    width: 5px;
    height: 5px;
    border: 1px solid var(--text-secondary);
    border-radius: 50%;
}
.project-actions .project-pending {
    margin-top: 0;
}
.project-card-development > .project-image img {
    object-fit: contain;
    background: #FFF;
}

/* Proceso: horizontal en escritorio, vertical en móvil */
.process-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
    list-style: none;
}
.process-step {
    position: relative;
    min-width: 0;
}
.step-number {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin-bottom: 25px;
    border: 1px solid var(--border-blue);
    border-radius: 17px;
    color: var(--blue-readable);
    background: var(--bg-secondary);
    font-family: monospace;
    font-size: 17px;
    transition: background .25s ease, border-color .25s ease;
}
.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 27px;
    left: 68px;
    right: -16px;
    height: 1px;
    background: linear-gradient(90deg, var(--border-blue), var(--border-color));
}
.step-content h3 {
    margin-bottom: 12px;
    font-size: 19px;
}
.step-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}
.process-step:hover .step-number {
    border-color: var(--blue-light);
    background: rgba(37, 99, 235, .15);
}

/* Contacto */
.contact {
    padding-top: 12px;
}
.contact-card {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
    gap: 50px;
    padding: 50px;
    border: 1px solid var(--border-blue);
    border-radius: 28px;
    background: radial-gradient(ellipse at 100% 100%, rgba(37, 99, 235, .13), transparent 60%), var(--bg-secondary);
}
.contact-content h2 {
    max-width: 490px;
    margin-bottom: 18px;
    font-size: clamp(30px, 3.2vw, 42px);
}
.contact-content > p:not(.section-label) {
    max-width: 570px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}
.contact-action {
    text-align: center;
}
.contact-button {
    width: 100%;
    max-width: 310px;
    padding-inline: 20px;
}
.contact-note {
    max-width: 270px;
    margin: 14px auto 0;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Pie de página */
.footer {
    padding-block: 55px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.footer-main {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    align-items: start;
    gap: 50px;
    padding-bottom: 36px;
}
.footer-brand {
    max-width: 280px;
}
.footer-brand .brand {
    display: inline-block;
    margin-bottom: 14px;
}
.footer-brand p {
    color: var(--text-secondary);
    font-size: 13px;
}
.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, max-content);
    gap: 4px 22px;
}
.footer-nav a, .footer-social a {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 44px;
    color: var(--text-secondary);
    font-size: 12px;
    transition: color .2s ease;
}
.footer-nav a:hover, .footer-social a:hover {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 5px;
}
.footer-social {
    display: flex;
    flex-direction: column;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 11px;
}

/* Aparición progresiva: JS solo oculta si puede observar los elementos */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .65s var(--ease), transform .65s var(--ease), border-color .3s ease, box-shadow .3s ease;
}
.reveal.visible {
    opacity: 1;
    transform: none;
}
@media (hover: hover) and (pointer: fine) {
    .btn:hover, .contact-button:hover {
        transform: translateY(-2px);
    }
    .service-card:hover, .project-card:hover {
        border-color: var(--border-blue);
        box-shadow: 0 18px 36px rgba(0, 0, 0, .18);
        transform: translateY(-4px);
    }
    .project-card:hover .project-image img {
        transform: scale(1.025);
    }
}

/* Laptop */
@media (max-width: 1100px) {
    .nav-links {
        gap: 1px;
    }
    .nav-links a {
        padding-inline: 10px;
    }
    .hero-container {
        gap: 30px;
    }
    .hero-content h1 {
        font-size: clamp(40px, 4.8vw, 53px);
    }
    .about-container {
        gap: 45px;
    }
    .service-card {
        padding: 25px;
    }
    .service-number {
        right: 25px;
    }
    .service-card h3 {
        font-size: 20px;
    }
    .contact-card {
        gap: 35px;
        padding: 40px;
    }
    .footer-main {
        gap: 30px;
    }
}

/* Tablet y navegación móvil; los enlaces siguen accesibles sin JavaScript */
@media (max-width: 900px) {
    :root {
        --header-height: 72px;
    }
    .section {
        padding-block: 76px;
    }
    .navbar {
        flex-wrap: wrap;
    }
    .header:not(.nav-ready) {
        position: relative;
    }
    .nav-contact {
        display: none;
    }
    .nav-links {
        flex: 1 0 100%;
        flex-wrap: wrap;
        justify-content: center;
        padding-bottom: 12px;
    }
    .header.nav-ready .navbar {
        flex-wrap: nowrap;
    }
    .header.nav-ready .menu-toggle {
        display: flex;
    }
    .header.nav-ready .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        flex-wrap: nowrap;
        gap: 4px;
        max-height: calc(100vh - var(--header-height) - 28px);
        max-height: calc(100dvh - var(--header-height) - 28px);
        padding: 12px;
        overflow-y: auto;
        overscroll-behavior: contain;
        border: 1px solid var(--border-blue);
        border-radius: 16px;
        background: var(--bg-secondary);
        box-shadow: 0 16px 35px rgba(0, 0, 0, .35);
    }
    .header.nav-ready .nav-links.show {
        display: flex;
    }
    .nav-links a {
        padding: 12px 14px;
    }
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: 22px;
        min-height: 580px;
        padding-block: 70px;
    }
    .hero-content h1 {
        font-size: clamp(35px, 5vw, 44px);
    }
    .hero-description {
        font-size: 15px;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .hero-technologies {
        gap: 10px 16px;
        margin-top: 26px;
    }
    .hero-note {
        font-size: 11px;
    }
    .visual-caption {
        font-size: 11px;
    }
    .about-container {
        gap: 30px;
    }
    .about-skills {
        padding: 25px;
    }
    .skills-grid li {
        padding-inline: 10px;
    }
    .services-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .service-card {
        display: grid;
        grid-template-columns: 54px 1fr 1fr;
        gap: 12px 25px;
        align-items: start;
        padding: 28px;
    }
    .service-icon {
        grid-column: 1;
        grid-row: 1 / 3;
        margin: 0;
    }
    .service-number {
        display: none;
    }
    .service-card h3 {
        grid-column: 2;
        margin: 0;
    }
    .service-card > p {
        grid-column: 2;
        grid-row: 2 / 4;
        margin: 0;
    }
    .service-features {
        grid-column: 3;
        grid-row: 1 / 3;
        margin: 0;
    }
    .service-link {
        grid-column: 3;
        padding-top: 10px;
    }
    .projects-grid {
        gap: 20px;
    }
    .project-info {
        padding: 23px;
    }
    .project-category {
        font-size: 10px;
    }
    .project-info > p {
        font-size: 13px;
    }
    .process-list {
        gap: 22px;
    }
    .step-content h3 {
        font-size: 17px;
    }
    .step-content p {
        font-size: 13px;
    }
    .contact {
        padding-top: 0;
    }
    .contact-card {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 36px;
    }
    .contact-action {
        text-align: left;
    }
    .contact-note {
        max-width: none;
        margin-inline: 0;
    }
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    .footer-social {
        grid-column: 2;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    .footer-brand {
        grid-row: 1 / 3;
    }
}

/* Celulares */
@media (max-width: 600px) {
    :root {
        --header-height: 66px;
        --radius: 18px;
    }
    .container {
        width: calc(100% - 40px);
    }
    .section {
        padding-block: 60px;
    }
    .brand {
        font-size: 24px;
    }
    h2 {
        font-size: clamp(28px, 7.2vw, 36px);
        margin-bottom: 19px;
    }
    .section-label, .hero-label {
        font-size: 10px;
        letter-spacing: .14em;
        margin-bottom: 17px;
    }
    .services-header, .projects-header, .process-header {
        margin-bottom: 30px;
    }
    .about-description, .services-description, .projects-description, .process-description {
        font-size: 14px;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 18px;
        min-height: auto;
        padding-block: 48px 38px;
    }
    .hero-content h1 {
        max-width: 500px;
        margin-bottom: 20px;
        font-size: clamp(36px, 9.3vw, 48px);
        line-height: 1.12;
    }
    .hero-description {
        font-size: 15px;
        margin-bottom: 24px;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    .hero-buttons .btn {
        width: 100%;
        padding-inline: 16px;
        font-size: 13px;
    }
    .hero-note {
        font-size: 11px;
    }
    .hero-technologies {
        margin-top: 24px;
        padding-top: 18px;
        gap: 10px 18px;
    }
    .hero-visual {
        width: min(100%, 360px);
        justify-self: center;
        padding: 15px 8px 10px;
    }
    .hero-visual::before {
        width: 70%;
        box-shadow: 0 0 0 22px rgba(59, 130, 246, .025);
    }
    .visual-label {
        margin-bottom: 18px;
        font-size: 9px;
    }
    .visual-caption {
        margin-top: 18px;
    }
    .about-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-skills {
        padding: 24px;
    }
    .skills-header h3 {
        font-size: 21px;
    }
    .skills-grid li {
        padding: 12px;
        font-size: 12px;
    }
    .service-card {
        display: flex;
        gap: 0;
        padding: 26px;
    }
    .service-icon {
        margin-bottom: 22px;
    }
    .service-number {
        display: block;
        top: 30px;
        right: 26px;
    }
    .service-card h3 {
        margin-bottom: 14px;
        font-size: 22px;
    }
    .service-card > p {
        margin-bottom: 22px;
    }
    .service-features {
        margin-bottom: 22px;
    }
    .service-link {
        padding-top: 16px;
    }
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .project-image {
        aspect-ratio: 16 / 9;
    }
    .project-info {
        padding: 24px;
    }
    .project-info h3 {
        font-size: 23px;
    }
    .project-info > p {
        font-size: 14px;
    }
    .project-category {
        font-size: 10px;
    }
    .project-actions {
        gap: 4px 16px;
    }
    .process-list {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .process-step {
        display: flex;
        align-items: flex-start;
        gap: 20px;
    }
    .step-number {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        margin: 0;
        border-radius: 14px;
    }
    .process-step:not(:last-child)::after {
        top: 60px;
        bottom: -16px;
        left: 24px;
        right: auto;
        width: 1px;
        height: auto;
        background: var(--border-blue);
    }
    .step-content {
        padding-top: 3px;
    }
    .step-content h3 {
        font-size: 19px;
        margin-bottom: 8px;
    }
    .step-content p {
        font-size: 14px;
    }
    .contact {
        padding-top: 0;
    }
    .contact-card {
        gap: 25px;
        padding: 28px 24px;
        border-radius: 22px;
    }
    .contact-content h2 {
        font-size: 31px;
    }
    .contact-content > p:not(.section-label) {
        font-size: 14px;
    }
    .contact-button {
        max-width: none;
        padding-inline: 12px;
        font-size: 13px;
    }
    .contact-note {
        text-align: center;
        font-size: 11px;
    }
    .footer {
        padding-block: 40px 24px;
    }
    .footer-main {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-bottom: 26px;
    }
    .footer-brand {
        grid-row: auto;
    }
    .footer-social {
        grid-column: 1;
        gap: 22px;
    }
    .footer-nav {
        gap: 4px 24px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 4px;
    }
}

/* Celulares pequeños */
@media (max-width: 360px) {
    .container {
        width: calc(100% - 32px);
    }
    .hero-content h1 {
        font-size: 34px;
    }
    .hero-note span {
        margin-inline: 4px;
    }
    .hero-technologies {
        gap: 10px 16px;
    }
    .about-skills, .service-card, .project-info {
        padding: 20px;
    }
    .skills-header {
        padding-right: 32px;
    }
    .skills-icon {
        font-size: 24px;
    }
    .skills-grid li {
        padding-inline: 9px;
        gap: 7px;
    }
    .contact-card {
        padding: 26px 20px;
    }
    .contact-content h2 {
        font-size: 28px;
    }
    .footer-nav {
        gap: 4px 18px;
    }
}

/* Accesibilidad: detener todas las transiciones al reducir movimiento */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation: none;
        transition: none;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
    .btn:hover, .contact-button:hover, .service-card:hover, .project-card:hover, .project-card:hover .project-image img {
        transform: none;
    }
}