* {
    box-sizing: border-box
}   

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: #f7f9fc;
    color: var(--ink);
    font-family: Geist, Arial, sans-serif
}

a {
    color: inherit;
    text-decoration: none
}

.nav {
    height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5vw;
    background: rgba(247, 249, 252, .92);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(15px)
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--ink);
    font-weight: 800;
    transform: rotate(45deg);
    border-radius: 5px;
    font-size: 13px
}

.brand-mark i {
    transform: rotate(-45deg);
    font-style: normal
}

.brand>span:last-child {
    display: flex;
    flex-direction: column;
    line-height: 1
}

.brand b {
    font-size: 25px;
    letter-spacing: .12em;
    font-weight: 900
}

.brand small {
    margin-top: 5px;
    font-size: 8px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--muted)
}

.nav-links {
    display: flex;
    gap: 32px;
    font-size: 14px;
    font-weight: 600
}

.nav-links a:hover {
    color: var(--blue)
}

.nav-cta {
    padding: 13px 18px;
    border: 1px solid var(--ink);
    font-size: 13px;
    font-weight: 700
}

.nav-cta span {
    margin-left: 16px;
    color: var(--blue)
}

.hero {
    min-height: 730px;
    padding: 90px 5vw 70px;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 3vw;
    overflow: hidden;
    position: relative
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: .35;
    pointer-events: none;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: linear-gradient(to right, #000, transparent 75%)
}

.hero-copy,
.hero-visual {
    position: relative;
    z-index: 1
}

.eyebrow,
.kicker {
    text-transform: uppercase;
    letter-spacing: .17em;
    font-size: 12px;
    font-weight: 800;
    color: var(--blue)
}

.eyebrow span {
    display: inline-block;
    width: 26px;
    height: 2px;
    background: var(--blue);
    vertical-align: middle;
    margin-right: 10px
}

h1 {
    font-size: clamp(54px, 6vw, 96px);
    letter-spacing: -.065em;
    line-height: .91;
    max-width: 850px;
    margin: 28px 0
}

h1 em,
h2 em {
    color: var(--blue);
    font-style: normal
}

.hero-lead {
    max-width: 620px;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.65
}

.hero-actions {
    display: flex;
    gap: 13px;
    margin: 36px 0 58px
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    padding: 17px 21px;
    border: 1px solid var(--ink);
    font-size: 14px;
    font-weight: 750;
    transition: .2s
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 9px 25px rgba(12, 20, 40, .15)
}

.primary {
    color: #fff;
    background: var(--ink)
}

.primary span {
    color: #72a0ff
}

.secondary {
    background: transparent
}

.hero-proof {
    display: flex;
    gap: 42px
}

.hero-proof div {
    display: flex;
    flex-direction: column;
    border-left: 2px solid var(--blue);
    padding-left: 13px
}

.hero-proof strong {
    font-size: 26px
}

.hero-proof span {
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .09em
}

.hero-visual {
    min-height: 550px;
    display: grid;
    place-items: center
}

.marquee {
    overflow: hidden;
    background: var(--blue);
    color: #fff;
    padding: 17px 0;
    white-space: nowrap;
    font-family: "Geist Mono";
    font-weight: 800;
    letter-spacing: .1em
}

.marquee div {
    width: max-content;
    font-size: 13px;
    word-spacing: 2.5vw
}

.marquee i {
    color: #a9c4ff;
    font-style: normal
}

.section {
    padding: 115px 7vw
}

.section-heading {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 10vw;
    align-items: end;
    margin-bottom: 65px
}

h2 {
    font-size: clamp(42px, 5vw, 72px);
    letter-spacing: -.055em;
    line-height: 1.02;
    margin: 18px 0 0
}

.section-heading>p {
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
    max-width: 520px
}

.service-list {
    border-top: 1px solid #aeb8c6
}

.service {
    display: grid;
    grid-template-columns: 70px 1fr 1.3fr 35px;
    gap: 30px;
    align-items: center;
    padding: 28px 5px;
    border-bottom: 1px solid var(--line);
    transition: .2s
}

.service:hover {
    padding-left: 17px;
    background: #fff
}

.service>span {
    font-family: "Geist Mono";
    color: var(--blue);
    font-size: 12px
}

.service h3 {
    font-size: 23px;
    margin: 0
}

.service p {
    color: var(--muted);
    line-height: 1.55;
    margin: 0
}

.service b {
    font-size: 22px;
    color: var(--blue)
}

.service-page-link {
    font-size: 22px;
    font-weight: 800;
    color: var(--sinter-black);
    transition: transform .2s ease;
}

.service:hover .service-page-link {
    transform: translate(3px, -3px);
}

.alliance {
    background: var(--ink);
    color: #fff;
    padding: 110px 8vw;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9vw;
    position: relative;
    overflow: hidden
}

.alliance:after {
    content: "F1";
    position: absolute;
    right: -3vw;
    bottom: -11vw;
    font-size: 28vw;
    color: rgba(255, 255, 255, .025);
    font-weight: 900
}

.kicker.light {
    color: #77a3ff
}

.alliance h2 em {
    color: #75a1ff
}

.alliance-copy>p:not(.kicker) {
    color: #adb7c8;
    line-height: 1.8;
    font-size: 17px;
    max-width: 630px;
    margin: 30px 0
}

.white {
    color: var(--ink);
    background: #fff;
    border-color: #fff
}

.process {
    border-top: 1px solid #3b4657;
    z-index: 1
}

.process-step {
    display: grid;
    grid-template-columns: 55px 1fr;
    gap: 18px;
    padding: 30px 0;
    border-bottom: 1px solid #3b4657
}

.process-step>span {
    color: #72a0ff;
    font-family: "Geist Mono";
    font-size: 12px
}

.process-step h3 {
    margin: 0 0 9px;
    font-size: 25px
}

.process-step p {
    color: #98a4b8;
    margin: 0;
    line-height: 1.5
}

/* ========================================
   PROMOCIONES Y NOVEDADES
   ======================================== */

.updates {
    padding-top: 72px;
    padding-bottom: 72px;
    background: #f4f4f2;
}

.updates-heading {
    grid-template-columns: .8fr 1.2fr;
    gap: 6vw;
    max-width: 1500px;
    margin: 0 auto 34px;
}

.updates-heading h2 {
    margin-top: 12px;
    font-size: clamp(38px, 4vw, 58px);
}

.updates-heading > p {
    max-width: 520px;
    justify-self: end;
}

.updates-grid {
    display: grid;
    grid-template-columns: minmax(500px, 1.15fr) minmax(520px, .85fr);
    gap: 16px;
    max-width: 1500px;
    margin: 0 auto;
}

.update-card {
    border: 1px solid var(--sinter-border);
    background: var(--sinter-white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 14px 38px rgba(8, 11, 16, .06);
}

.update-featured {
    display: grid;
    grid-template-columns: 215px minmax(280px, 1fr);
    height: 320px;
    min-height: 0;
}

.update-image {
    display: block;
    height: 320px;
    min-height: 0;
    background: #ececea;
    overflow: hidden;
}

.update-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: transform .35s ease;
}

.update-image:hover img {
    transform: scale(1.025);
}

.update-content,
.update-action {
    padding: 28px;
}

.update-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.update-label {
    color: #1f5eff;
    font-family: "Geist Mono", monospace;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .14em;
}

.update-card h3 {
    margin: 13px 0 10px;
    font-size: clamp(22px, 1.7vw, 30px);
    line-height: 1.12;
    letter-spacing: -.035em;
}

.update-card p {
    margin: 0;
    color: var(--sinter-muted);
    font-size: 14px;
    line-height: 1.5;
}

.update-link {
    width: fit-content;
    margin-top: 22px;
    padding-bottom: 6px;
    border-bottom: 1px solid currentColor;
    font-size: 14px;
    font-weight: 800;
}

.update-link span {
    margin-left: 10px;
}

.updates-side {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.update-action {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.update-action .update-link {
    margin-top: auto;
    padding-top: 12px;
}

.update-symbol {
    width: 42px;
    height: 42px;
    margin-bottom: 18px;
    display: grid;
    place-items: center;
    color: var(--sinter-white);
    background: var(--sinter-black);
}

.update-symbol svg {
    width: 20px;
    height: 20px;
}

.update-dark {
    color: var(--sinter-white);
    background: var(--sinter-black);
    border-color: var(--sinter-black);
}

.update-dark p {
    color: #b9bec4;
}

.update-dark .update-label {
    color: #fff;
}

.update-dark .update-symbol {
    color: var(--sinter-black);
    background: var(--sinter-white);
}

@media (max-width: 1100px) {
    .updates-grid {
        grid-template-columns: 1fr;
    }
}

.about {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 8vw
}

.about-card {
    background: var(--ice);
    border: 1px solid #cddaf0;
    padding: 60px
}

.about-copy {
    align-self: center
}

.big-copy {
    font-size: 27px;
    letter-spacing: -.025em;
    line-height: 1.5
}

.values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 25px;
    margin-top: 36px
}

.values span {
    border-top: 1px solid var(--line);
    padding: 17px 0;
    color: var(--muted);
    font-weight: 650
}

.values span:before {
    content: "+";
    color: var(--blue);
    margin-right: 10px
}

.contact {
    margin: 0 5vw 70px;
    padding: 80px 7vw;
    background: var(--blue);
    color: #fff;
    position: relative;
    overflow: hidden
}

.contact:after {
    content: "S";
    position: absolute;
    right: 1vw;
    top: -12vw;
    font-size: 32vw;
    font-weight: 900;
    color: rgba(255, 255, 255, .07)
}

.contact h2 {
    font-size: clamp(50px, 7vw, 94px);
    position: relative;
    z-index: 1
}

.contact>p:not(.kicker) {
    max-width: 650px;
    line-height: 1.7;
    font-size: 17px;
    color: #dbe7ff;
    position: relative;
    z-index: 1
}

.contact-actions {
    margin-top: 34px;
    display: flex;
    align-items: center;
    gap: 24px;
    position: relative;
    z-index: 1
}

.contact-actions>span {
    font-size: 12px;
    color: #dbe7ff
}

footer {
    padding: 35px 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted)
}

.footer-brand {
    color: var(--ink)
}

@media(max-width:900px) {
    .nav-links {
        display: none
    }

    .nav {
        padding: 0 22px
    }

    .nav-cta {
        padding: 11px 13px
    }

    .nav-cta span {
        display: none
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 70px 24px 60px
    }

    .hero-visual {
        min-height: 430px
    }

    .section {
        padding: 85px 24px
    }

    .section-heading,
    .alliance,
    .about {
        grid-template-columns: 1fr
    }

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

    .update-featured {
        grid-template-columns: 215px minmax(260px, 1fr);
    }

    .updates-heading {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .updates-heading > p {
        justify-self: start;
        margin-top: 0;
    }

    .section-heading {
        gap: 20px
    }

    .service {
        grid-template-columns: 40px 1fr 25px
    }

    .service p {
        grid-column: 2/3
    }

    .service b,
    .service-page-link {
        grid-column: 3;
        grid-row: 1
    }

    .alliance {
        padding: 85px 24px
    }

    .about-card {
        padding: 38px
    }

    .contact {
        margin: 0 16px 45px;
        padding: 60px 26px
    }

    footer {
        flex-direction: column;
        gap: 25px;
        text-align: center
    }
}

@media(max-width:560px) {
    .brand small {
        display: none
    }

    .brand b {
        font-size: 20px
    }

    .nav-cta {
        font-size: 11px
    }

    h1 {
        font-size: 54px
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch
    }

    .hero-proof {
        gap: 18px;
        justify-content: space-between
    }

    .hero-proof strong {
        font-size: 22px
    }

    .hero-proof span {
        max-width: 85px
    }

    .hero-visual {
        transform: scale(.82);
        margin: -30px
    }

    .section-heading h2,
    h2 {
        font-size: 43px
    }

    .service {
        gap: 14px
    }

    .service h3 {
        font-size: 19px
    }

    .values {
        grid-template-columns: 1fr
    }

    .update-featured {
        grid-template-columns: 125px minmax(0, 1fr);
        height: 290px;
    }

    .update-image {
        height: 290px;
        min-height: 0;
    }

    .updates-side {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }

    .update-content,
    .update-action {
        padding: 22px;
    }

    .update-featured .update-content p {
        display: none;
    }

    .contact-actions {
        flex-direction: column;
        align-items: flex-start
    }
}

.menu-button {
    display: none;
    border: 1px solid var(--ink);
    background: transparent;
    padding: 10px 13px;
    font: 700 12px Geist, Arial, sans-serif
}

@media(max-width:900px) {
    .menu-button {
        display: block;
        margin-left: auto;
        margin-right: 10px
    }

    .nav-links {
        position: absolute;
        top: 86px;
        left: 0;
        right: 0;
        padding: 22px;
        background: #f7f9fc;
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        gap: 18px
    }

    .nav-links.open {
        display: flex
    }
}

/* ========================================
   CONTACTO Y GATITA SINTER
   ======================================== */

.contact {
    margin-bottom: 28px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    min-height: 570px;
}

.contact h2 {
    font-size: clamp(50px, 6vw, 86px);
}

.contact-copy {
    position: relative;
    z-index: 3;
}

.sinter-cat {
    width: min(100%, 430px);
    max-height: 500px;
    object-fit: contain;
    object-position: center bottom;
    justify-self: center;
    align-self: end;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 24px 22px rgba(0, 0, 0, 0.28));
}

.business-info {
    margin: 0 5vw 70px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.business-info a {
    min-height: 160px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transition: background 0.2s, transform 0.2s;
}

.business-info a:hover {
    background: var(--ice);
    transform: translateY(-2px);
}

.business-info small {
    color: var(--blue);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.business-info strong {
    margin: 16px 0 10px;
    font-size: 20px;
}

.business-info span {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

/* Adaptación para celulares y tabletas */

@media (max-width: 900px) {
    .contact {
        grid-template-columns: 1fr;
        padding-bottom: 0;
    }

    .sinter-cat {
        max-height: 400px;
        margin-top: 35px;
    }

    .business-info {
        grid-template-columns: 1fr;
        margin: 0 16px 45px;
    }
}

/* ==================================================
   ESTRUCTURA DE INTERACCIONES
   ================================================== */

.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 0;
    height: 2px;
    transition: width 0.2s ease;
}

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

.nav-cta {
    transition: background 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.service,
.about-card,
.business-info a {
    position: relative;
    overflow: hidden;
}

.service::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18%;
    width: 3px;
    height: 64%;
    background: transparent;
    transition: background 0.2s ease;
}

.about-card::before,
.about-card::after {
    content: "";
    position: absolute;
    top: 0;
    height: 5px;
}

.about-card::before {
    left: 0;
}

.about-card::after {
    right: 0;
}

.business-info a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.2s ease;
}

.business-info a:hover::before {
    transform: scaleY(1);
}

footer a {
    color: var(--sinter-white);
}

footer a:hover {
    color: #d6d9dd;
}

/* ==================================================
   LOGOTIPO MODERNO SINTER
   ================================================== */

.brand-modern {
    gap: 16px;
}

.modern-logo {
    position: relative;
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    background: transparent;
}

.modern-logo::before {
    display: none;
}

.modern-logo::after {
    display: none;
}

.modern-logo-frame {
    position: relative;
    z-index: 2;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    color: var(--sinter-black);
    background: #ffffff;
    border: 7px solid var(--sinter-black);
    border-radius: 0;
    transform: rotate(45deg);
    box-shadow: 0 9px 20px rgba(8, 11, 16, 0.13);
}

.modern-logo-center {
    font-family: "Geist Mono", monospace;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.04em;
    transform: rotate(-45deg);
}

.modern-wordmark {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.modern-wordmark b {
    font-size: 27px;
    font-weight: 900;
    letter-spacing: 0.13em;
}

.modern-wordmark small {
    margin-top: 7px;
    color: var(--sinter-muted);
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ==================================================
   PORTADA MÁS MODERNA
   ================================================== */

.hero {
    min-height: 760px;
    grid-template-columns: minmax(0, 1.05fr) minmax(500px, 0.95fr);
    gap: clamp(40px, 5vw, 90px);
}

.hero-copy {
    max-width: 850px;
}

.hero h1 {
    max-width: 820px;
    font-size: clamp(58px, 5.4vw, 88px);
    line-height: 0.95;
    letter-spacing: -0.065em;
}

.hero-lead {
    max-width: 650px;
}

.hero-visual-modern {
    min-height: 590px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Contenedor principal */

.technology-panel {
    position: relative;
    width: min(100%, 610px);
    min-height: 570px;
    padding: 24px;
    overflow: hidden;
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.98),
            rgba(245, 248, 253, 0.94)
        );
    border: 1px solid var(--sinter-border);
    border-radius: 32px;
    box-shadow:
        0 30px 80px rgba(8, 11, 16, 0.12),
        inset 0 1px 0 #ffffff;
}

.technology-panel::before {
    content: "";
    position: absolute;
    top: -160px;
    right: -140px;
    width: 360px;
    height: 360px;
    background: rgba(20, 92, 255, 0.12);
    border-radius: 50%;
    filter: blur(18px);
}

.technology-panel::after {
    content: "";
    position: absolute;
    left: -80px;
    bottom: -120px;
    width: 260px;
    height: 260px;
    background: rgba(215, 25, 32, 0.07);
    border-radius: 50%;
    filter: blur(20px);
}

/* Encabezado del panel */

.panel-header {
    position: relative;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--sinter-border);
}

.panel-header > div {
    display: flex;
    flex-direction: column;
}

.panel-header small {
    color: var(--sinter-blue);
    font-family: "Geist Mono", monospace;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.panel-header strong {
    margin-top: 6px;
    font-size: 16px;
}

.online-indicator,
.hub-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--sinter-muted);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.online-indicator i,
.hub-status i {
    width: 7px;
    height: 7px;
    background: #00a866;
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(0, 168, 102, 0.1);
}

/* Área orbital */

.modern-orbit {
    position: relative;
    z-index: 2;
    min-height: 415px;
    display: grid;
    place-items: center;
}

.orbit-line {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.orbit-line-one {
    width: 340px;
    height: 340px;
    border: 1px solid rgba(20, 92, 255, 0.2);
}

.orbit-line-two {
    width: 250px;
    height: 250px;
    border: 1px dashed rgba(8, 11, 16, 0.18);
    animation: modernOrbit 28s linear infinite;
}

@keyframes modernOrbit {
    to {
        transform: rotate(360deg);
    }
}

/* Rombo central */

.sinter-hub {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hub-brand-lockup {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hub-diamond {
    position: relative;
    width: 132px;
    height: 132px;
    display: grid;
    place-items: center;
    color: var(--sinter-black);
    background: #ffffff;
    border: 18px solid var(--sinter-black);
    border-radius: 2px;
    transform: rotate(45deg);
    box-shadow: 0 24px 48px rgba(8, 11, 16, 0.18);
}

.hub-diamond::before {
    content: "";
    position: absolute;
    inset: -11px;
    border: 2px solid #ffffff;
    border-radius: 0;
}

.hub-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: rotate(-45deg);
}

.hub-content span {
    color: var(--sinter-black);
    font-family: "Geist Mono", monospace;
    font-size: 23px;
    font-weight: 900;
}

.hub-wordmark {
    width: 290px;
    margin-top: 42px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hub-wordmark strong {
    color: var(--sinter-black);
    font-size: 25px;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.hub-wordmark small {
    margin-top: 7px;
    color: var(--sinter-muted);
    font-size: 7px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hub-status {
    margin-top: 18px;
    padding: 8px 13px;
    background: #ffffff;
    border: 1px solid var(--sinter-border);
    border-radius: 999px;
    box-shadow: 0 8px 20px rgba(8, 11, 16, 0.08);
}

/* Tarjetas flotantes */

.solution-chip {
    position: absolute;
    z-index: 4;
    min-width: 145px;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--sinter-border);
    border-radius: 15px;
    box-shadow: 0 13px 30px rgba(8, 11, 16, 0.09);
    backdrop-filter: blur(12px);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.solution-chip:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(8, 11, 16, 0.14);
}

.chip-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    color: var(--sinter-blue);
    background: var(--sinter-blue-light);
    border-radius: 11px;
    font-family: "Geist Mono", monospace;
    font-size: 9px;
    font-weight: 800;
}

.chip-icon svg {
    width: 21px;
    height: 21px;
    display: block;
}

.solution-chip > div {
    display: flex;
    flex-direction: column;
}

.solution-chip small {
    color: var(--sinter-muted);
    font-size: 7px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.solution-chip strong {
    margin-top: 4px;
    font-size: 12px;
}

.chip-computo {
    top: 48px;
    left: 0;
}

.chip-impresion {
    top: 86px;
    right: 0;
}

.chip-seguridad {
    right: 0;
    bottom: 40px;
    border-color: rgba(215, 25, 32, 0.22);
}

.chip-seguridad .chip-icon {
    color: var(--sinter-red);
    background: var(--sinter-red-light);
}

.chip-suministros {
    left: 0;
    bottom: 30px;
}

/* Pie del panel */

.panel-footer {
    position: relative;
    z-index: 4;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--sinter-border);
}

.panel-footer div {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 17px 8px 0;
}

.panel-footer div:not(:last-child) {
    border-right: 1px solid var(--sinter-border);
}

.panel-footer span {
    color: var(--sinter-blue);
    font-family: "Geist Mono", monospace;
    font-size: 10px;
    font-weight: 800;
}

.panel-footer div:nth-child(2) span {
    color: var(--sinter-red);
}

.panel-footer small {
    color: var(--sinter-muted);
    font-size: 10px;
    font-weight: 700;
}

/* ==================================================
   ADAPTACIÓN DEL NUEVO INICIO
   ================================================== */

@media (max-width: 1100px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 900px;
    }

    .hero-visual-modern {
        width: 100%;
    }

    .technology-panel {
        width: min(100%, 680px);
    }
}

@media (max-width: 650px) {
    .modern-logo {
        width: 46px;
        height: 46px;
    }

    .modern-logo-frame {
        width: 32px;
        height: 32px;
    }

    .modern-wordmark b {
        font-size: 20px;
    }

    .modern-wordmark small {
        display: none;
    }

    .hero h1 {
        font-size: clamp(47px, 14vw, 62px);
    }

    .technology-panel {
        min-height: 545px;
        padding: 18px;
        border-radius: 24px;
    }

    .panel-header strong {
        font-size: 14px;
    }

    .online-indicator {
        font-size: 8px;
    }

    .modern-orbit {
        min-height: 395px;
    }

    .orbit-line-one {
        width: 270px;
        height: 270px;
    }

    .orbit-line-two {
        width: 205px;
        height: 205px;
    }

    .hub-diamond {
        width: 108px;
        height: 108px;
        border-width: 14px;
        border-radius: 2px;
    }

    .hub-wordmark {
        width: 230px;
        margin-top: 34px;
    }

    .hub-wordmark strong {
        font-size: 20px;
    }

    .solution-chip {
        min-width: auto;
        padding: 9px;
    }

    .solution-chip > div {
        display: none;
    }

    .chip-icon {
        width: 34px;
        height: 34px;
    }

    .chip-computo {
        top: 48px;
        left: 2px;
    }

    .chip-impresion {
        top: 70px;
        right: 2px;
    }

    .chip-seguridad {
        right: 2px;
        bottom: 38px;
    }

    .chip-suministros {
        left: 2px;
        bottom: 32px;
    }

    .panel-footer small {
        font-size: 8px;
    }
}

#datos-contacto {
    scroll-margin-top: 110px;
}
/* ==================================================
   TEMA SINTER MONOCROMÁTICO
   Informática · Formal · Corporativo
   ================================================== */

:root {
    --sinter-black: #080a0d;
    --sinter-black-soft: #111418;
    --sinter-graphite: #252a31;
    --sinter-white: #ffffff;
    --sinter-off-white: #f7f7f5;
    --sinter-gray-light: #eceef0;
    --sinter-gray: #717780;
    --sinter-border: #d9dde2;

    /* Colores funcionales, no decorativos */
    --sinter-blue: #145cff;
    --sinter-blue-light: #eef4ff;
    --sinter-red: #d71920;
    --sinter-red-light: #fff1f1;
    --sinter-muted: var(--sinter-gray);

    --ink: var(--sinter-black);
    --blue: var(--sinter-blue);
    --line: var(--sinter-border);
    --muted: var(--sinter-gray);
    --ice: var(--sinter-off-white);
}

/* Fondo general */

body {
    color: var(--sinter-black);
    background:
        linear-gradient(
            rgba(8, 10, 13, 0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(8, 10, 13, 0.035) 1px,
            transparent 1px
        ),
        var(--sinter-off-white);

    background-size: 70px 70px;
}

/* ==================================================
   ENCABEZADO
   ================================================== */

.nav {
    color: var(--sinter-black);
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--sinter-black);
    box-shadow: none;
}

.modern-logo {
    background: transparent;
}

.modern-logo::before,
.modern-logo::after {
    display: none;
}

.modern-logo-frame {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-black);
    box-shadow: none;
}

.modern-wordmark b {
    color: var(--sinter-black);
}

.modern-wordmark small {
    color: var(--sinter-gray);
}

.nav-links a {
    color: var(--sinter-black);
}

.nav-links a:hover {
    color: var(--sinter-black);
}

.nav-links a::after {
    height: 2px;
    background: var(--sinter-black);
}

.nav-cta {
    color: var(--sinter-white);
    background: var(--sinter-black);
    border-color: var(--sinter-black);
    box-shadow: 5px 5px 0 #aeb3ba;
}

.nav-cta span {
    color: var(--sinter-white);
}

.nav-cta:hover {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-black);
    box-shadow: 5px 5px 0 var(--sinter-black);
}

/* ==================================================
   PORTADA
   ================================================== */

.hero {
    background:
        radial-gradient(
            circle at 82% 25%,
            rgba(8, 10, 13, 0.06),
            transparent 28rem
        ),
        rgba(255, 255, 255, 0.6);
}

.hero-grid {
    opacity: 0.55;
    background-image:
        linear-gradient(
            rgba(8, 10, 13, 0.07) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(8, 10, 13, 0.07) 1px,
            transparent 1px
        );
}

.eyebrow,
.kicker {
    color: var(--sinter-black);
}

.eyebrow span {
    background: var(--sinter-black);
}

h1,
h2,
h3 {
    color: var(--sinter-black);
}

h1 em,
h2 em {
    color: var(--sinter-black);
    font-style: italic;
    font-weight: 400;
}

.hero-lead {
    color: var(--sinter-gray);
}

/* Botones del inicio */

.button.primary {
    color: var(--sinter-white);
    background: var(--sinter-black);
    border-color: var(--sinter-black);
    box-shadow: 6px 6px 0 #b9bec4;
}

.button.primary span {
    color: var(--sinter-white);
}

.button.primary:hover {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-black);
    box-shadow: 6px 6px 0 var(--sinter-black);
}

.button.secondary {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-black);
}

.button.secondary:hover {
    color: var(--sinter-white);
    background: var(--sinter-black);
    border-color: var(--sinter-black);
}

/* Indicadores */

.hero-proof div,
.hero-proof div:nth-child(2),
.hero-proof div:nth-child(3) {
    border-left-color: var(--sinter-black);
}

.hero-proof strong {
    color: var(--sinter-black);
}

/* ==================================================
   PANEL TECNOLÓGICO
   ================================================== */

.technology-panel {
    background:
        linear-gradient(
            145deg,
            #ffffff,
            #f2f3f4
        );
    border: 1px solid var(--sinter-black);
    box-shadow: 20px 20px 0 var(--sinter-black);
}

.technology-panel::before,
.technology-panel::after {
    background: rgba(8, 10, 13, 0.06);
}

.panel-header {
    border-bottom-color: var(--sinter-border);
}

.panel-header small {
    color: var(--sinter-black);
}

.online-indicator i,
.hub-status i {
    background: var(--sinter-black);
    box-shadow: 0 0 0 5px rgba(8, 10, 13, 0.1);
}

.orbit-line-one {
    border-color: rgba(8, 10, 13, 0.22);
}

.orbit-line-two {
    border-color: rgba(8, 10, 13, 0.18);
}

/* Logotipo principal */

.hub-diamond {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-black);
    box-shadow: 0 25px 50px rgba(8, 10, 13, 0.2);
}

.hub-diamond::before {
    border-color: var(--sinter-white);
}

.hub-content span {
    color: var(--sinter-black);
}

.hub-wordmark strong {
    color: var(--sinter-black);
}

.hub-wordmark small {
    color: var(--sinter-gray);
}

.hub-status {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-black);
}

/* Tarjetas de servicios flotantes */

.solution-chip {
    color: var(--sinter-black);
    background: rgba(255, 255, 255, 0.96);
    border-color: var(--sinter-border);
    box-shadow: 0 14px 30px rgba(8, 10, 13, 0.1);
}

.solution-chip:hover {
    border-color: var(--sinter-black);
}

.chip-icon,
.chip-seguridad .chip-icon {
    color: var(--sinter-white);
    background: var(--sinter-black);
}

.chip-seguridad {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-border);
}

.panel-footer span,
.panel-footer div:nth-child(2) span {
    color: var(--sinter-black);
}

/* ==================================================
   FRANJA INTERMEDIA
   ================================================== */

.marquee {
    color: var(--sinter-white);
    background: var(--sinter-black);
    border-top: 1px solid var(--sinter-black);
    border-bottom: 1px solid var(--sinter-black);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: 0 clamp(20px, 4vw, 64px);
}

.marquee .marquee-track {
    width: min(100%, 1500px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(18px, 2.4vw, 48px);
    font-size: 13px;
    word-spacing: normal;
    white-space: nowrap;
}

.marquee-track span,
.marquee-track i {
    flex: 0 0 auto;
}

.marquee i {
    color: #b9bec4;
}

@media (max-width: 900px) {
    .marquee {
        justify-content: flex-start;
        padding-inline: 14px;
    }

    .marquee .marquee-track {
        justify-content: flex-start;
        gap: 24px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .marquee .marquee-track::-webkit-scrollbar {
        display: none;
    }
}

/* ==================================================
   SERVICIOS
   ================================================== */

.services {
    background: var(--sinter-off-white);
}

.service {
    border-bottom-color: var(--sinter-border);
}

.service:hover {
    background: var(--sinter-white);
    box-shadow: 0 14px 30px rgba(8, 10, 13, 0.07);
}

.service:hover::before,
.service:last-child:hover::before {
    background: var(--sinter-black);
}

.service > span,
.service b,
.service:last-child > span,
.service:last-child b {
    color: var(--sinter-black);
}

.service:last-child {
    background: linear-gradient(
        90deg,
        rgba(8, 10, 13, 0.045),
        transparent 55%
    );
}

/* ==================================================
   ALIANZAS
   ================================================== */

.alliance {
    color: var(--sinter-white);
    background:
        radial-gradient(
            circle at 90% 20%,
            rgba(255, 255, 255, 0.08),
            transparent 25rem
        ),
        var(--sinter-black);

    border-top: 1px solid var(--sinter-white);
    border-bottom: 1px solid var(--sinter-black);
}

.alliance h2,
.alliance h2 em {
    color: var(--sinter-white);
}

.alliance .kicker {
    color: #c8ccd1;
}

.process-step > span,
.process-step:nth-child(2) > span {
    color: var(--sinter-white);
}

.button.white {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-color: var(--sinter-white);
}

.button.white:hover {
    color: var(--sinter-white);
    background: var(--sinter-black);
    border-color: var(--sinter-white);
}

/* ==================================================
   DIFERENCIA SINTER
   ================================================== */

.about-card {
    background: var(--sinter-white);
    border-color: var(--sinter-black);
    box-shadow: 12px 12px 0 var(--sinter-black);
}

.about-card::before {
    width: 100%;
    background: var(--sinter-black);
}

.about-card::after {
    display: none;
}

.values span::before,
.values span:nth-child(even)::before {
    color: var(--sinter-black);
}

/* ==================================================
   CONTACTO Y GATITA
   ================================================== */

.contact {
    color: var(--sinter-white);
    background:
        linear-gradient(
            135deg,
            var(--sinter-black),
            var(--sinter-black-soft)
        );

    border: 1px solid var(--sinter-black);
    border-left-width: 1px;
    border-right-width: 1px;
}

.contact .kicker {
    color: #c8ccd1;
}

.contact h2 {
    color: var(--sinter-white);
}

.contact .button.white {
    color: var(--sinter-black);
    background: var(--sinter-white);
    box-shadow: 5px 5px 0 #777d86;
}

.contact .button.white:hover {
    color: var(--sinter-white);
    background: transparent;
    border-color: var(--sinter-white);
    box-shadow: 5px 5px 0 var(--sinter-white);
}

.sinter-cat {
    filter: drop-shadow(0 25px 24px rgba(0, 0, 0, 0.5));
}

/* ==================================================
   INFORMACIÓN DE CONTACTO
   ================================================== */

.business-info {
    border-top-color: var(--sinter-black);
    border-left-color: var(--sinter-black);
}

.business-info a {
    color: var(--sinter-black);
    background: var(--sinter-white);
    border-right-color: var(--sinter-black);
    border-bottom-color: var(--sinter-black);
}

.business-info a::before,
.business-info a:nth-child(3)::before,
.business-info a:nth-child(4)::before {
    background: var(--sinter-black);
}

.business-info small {
    color: var(--sinter-black);
}

.business-info a:hover {
    background: var(--sinter-black);
}

.business-info a:hover small,
.business-info a:hover strong,
.business-info a:hover span {
    color: var(--sinter-white);
}

/* ==================================================
   PIE DE PÁGINA
   ================================================== */

footer {
    color: #b9bec4;
    background: var(--sinter-black);
    border-top-color: var(--sinter-white);
}

footer .brand-mark {
    color: var(--sinter-black);
    background: var(--sinter-white);
}

footer .footer-brand {
    color: var(--sinter-white);
}

/* ==================================================
   CELULARES
   ================================================== */

@media (max-width: 900px) {
    .nav-links {
        background: var(--sinter-white);
        border-bottom-color: var(--sinter-black);
    }

    .technology-panel {
        box-shadow: 10px 10px 0 var(--sinter-black);
    }

    .contact {
        border-left-width: 1px;
        border-right-width: 1px;
    }
}

@media (max-width: 560px) {
    .technology-panel {
        box-shadow: 7px 7px 0 var(--sinter-black);
    }

    .about-card {
        box-shadow: 7px 7px 0 var(--sinter-black);
    }
}

/* ==================================================
   GARANTÍA DE CONTRASTE EN SUPERFICIES OSCURAS
   Mantener este bloque al final del archivo.
   ================================================== */

.alliance,
.alliance h2,
.alliance h2 em,
.alliance .process-step h3 {
    color: #ffffff;
}

.alliance .alliance-copy > p:not(.kicker),
.alliance .process-step p {
    color: #c2c8d0;
}

.alliance .kicker,
.alliance .process-step > span {
    color: #e4e7eb;
}

.update-card.update-dark,
.update-card.update-dark h3,
.update-card.update-dark .update-link {
    color: #ffffff;
}

.update-card.update-dark p {
    color: #c2c8d0;
}

.update-card.update-dark .update-label {
    color: #ffffff;
}

.contact,
.contact h2,
.contact .kicker,
.contact .contact-link {
    color: #ffffff;
}

.contact .contact-copy > p:not(.kicker),
.contact #contact-note {
    color: #d8dde3;
}

.nav-cta,
.button.primary {
    color: #ffffff;
}

.button.white,
.contact .button.white {
    color: #080a0d;
    background: #ffffff;
}