:root {
    --asphalt: #14181B;
    --asphalt-2: #1D2226;
    --paper: #F0EDE6;
    --paper-2: #E6E1D6;
    --frio: #4FA8C9;
    --frio-dim: #2E6E88;
    --calor: #C4552B;
    --calor-dim: #8E3B1D;
    --steel: #9CA3A6;
    --ink: #1B1F22;
    --line: rgba(155,163,166,0.35);
    --white: white;
    --dark: #4b5257;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'IBM Plex Sans', sans-serif;
    background: var(--asphalt);
    color: var(--paper);
    overflow-x: hidden;
}

.logo-mark {
    width: 40px;
    height: 40px;
    /*background-image: url('images/favicon-512.png');*/
    background-image: url('images/logo.png');
    background-size: 38px;
    background-repeat: no-repeat;
    clip-path: polygon(0 0, 80% 0, 100% 20%, 100% 100%, 20% 100%, 0 80%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    top: 8px;
    left: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    margin-top: -25px;
}

h1, h2, h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    margin: 0;
    letter-spacing: 0.01em;
}

.mono {
    font-family: 'IBM Plex Mono', monospace;
}

.eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.6em;
}

    .eyebrow::before {
        content: "";
        width: 22px;
        height: 1px;
        background: currentColor;
        display: inline-block;
    }

a {
    color: inherit;
}

.problem-intro {
    max-width: 760px;
    color: var(--dark);
    line-height: 1.65;
    margin: 0 0 2rem;
}

.problem-card h3 {
    margin-bottom: .7rem;
}

.problem-card p {
    color: var(--dark);
    line-height: 1.55;
}

.problem-card .problem-icon {
    font-size: 1.55rem;
    color: var(--dark);
    margin-bottom: .8rem;
    font-weight: 700;
}

.faq-list {
    display: grid;
    gap: 1rem;
    max-width: 920px;
}

.faq-item {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.45);
    padding: 1.2rem 1.35rem;
}

    .faq-item h3 {
        font-size: 1.05rem;
        margin: 0 0 .55rem;
    }

    .faq-item p {
        margin: 0;
        color: var(--dark);
        line-height: 1.6;
    }

.faq-cta {
    margin-top: 1.7rem;
}

@media (max-width: 900px) {
    .nav-links {
        gap: .7rem;
    }
}

/* ---------- NAV ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 6vw;
    background: rgba(20,24,27,0.72);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.nav-logo {
    font-family: 'Oswald', sans-serif;
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 0.5em;
}

    .nav-logo span {
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.62rem;
        color: var(--steel);
        letter-spacing: 0.14em;
    }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

    .nav-links a {
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.74rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        text-decoration: none;
        color: var(--paper);
        opacity: 0.82;
        transition: opacity 0.2s ease, color 0.2s ease;
        position: relative;
    }

        .nav-links a:hover {
            opacity: 1;
            color: var(--frio);
        }

        .nav-links a.active {
            opacity: 1;
            color: var(--frio);
        }

            .nav-links a.active::after {
                content: "";
                position: absolute;
                left: 0;
                right: 0;
                bottom: -6px;
                height: 1px;
                background: var(--frio);
            }

        .nav-links a.call {
            opacity: 1;
            padding: 0.55rem 1rem;
            background: var(--paper);
            color: var(--ink);
            border-radius: 2px;
        }

            .nav-links a.call:hover {
                background: var(--calor);
                color: var(--paper);
            }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
}

    .nav-toggle span {
        width: 22px;
        height: 2px;
        background: var(--paper);
        display: block;
    }

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 62px;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.4rem;
        background: var(--asphalt-2);
        padding: 1.6rem 2rem;
        width: 68vw;
        max-width: 300px;
        height: calc(100vh - 62px);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        border-left: 1px solid var(--line);
    }

        .nav-links.open {
            transform: translateX(0);
        }

    .nav-toggle {
        display: flex;
    }
}

/* ---- Sections ---- */
.view-stack {
    position: relative;
}

.curtain {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding: 6vh 6vw;
    padding-top: max(6vh, 90px);
    scroll-margin-top: 70px;
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

    .curtain.active {
        position: relative;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

.curtain-inner {
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
}

#hero {
    background: var(--asphalt);
}

#servicios {
    background: var(--paper);
    color: var(--ink);
}

#porque {
    background: var(--asphalt-2);
    color: var(--paper);
}

#problemas {
    background: var(--paper);
    color: var(--ink);
}

#faq {
    background: var(--paper);
    color: var(--ink);
}

#galeria {
    background: var(--asphalt);
    color: var(--paper);
}

.g-label {
    z-index: 2;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--white);
}

#contacto {
    background: var(--paper);
    color: var(--ink);
}

@media (max-width: 768px) {
    .view-stack {
        margin-top: 30px;
    }

    .curtain {
        transition: none;
        transform: none;
    }
}

/* ---------- HERO ---------- */
.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4vw;
    align-items: center;
}

.hero-eyebrow {
    color: var(--steel);
    margin-bottom: 1.4rem;
}

.hero-title {
    font-size: clamp(2.6rem, 6vw, 5.2rem);
    line-height: 1.2;
}

    .hero-title .frio {
        color: var(--frio);
    }

    .hero-title .calor {
        color: var(--calor);
    }

.hero-sub {
    margin-top: 1.6rem;
    max-width: 46ch;
    font-size: 1.05rem;
    color: var(--steel);
    line-height: 1.55;
}

.hero-meta {
    margin-top: 2.6rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2.4rem;
}

    .hero-meta div {
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.8rem;
        color: var(--steel);
    }

    .hero-meta strong {
        display: block;
        font-family: 'Oswald', sans-serif;
        font-size: 1.4rem;
        color: var(--paper);
        letter-spacing: 0.02em;
    }

/* Gauge signature element */
.gauge-wrap {
    display: flex;
    justify-content: center;
}

.gauge {
    width: min(100%, 340px);
}

.gauge-needle {
    transform-origin: 170px 170px;
    animation: sweep 4.5s ease-in-out infinite alternate;
}

@keyframes sweep {
    0% {
        transform: rotate(-58deg);
    }

    100% {
        transform: rotate(58deg);
    }
}

.gauge-label {
    font-family: 'IBM Plex Mono', monospace;
    fill: var(--steel);
    font-size: 11px;
    letter-spacing: 0.05em;
}

/* ---------- SERVICIOS ---------- */
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.4rem;
}

    .section-head h2 {
        font-size: clamp(2rem, 4vw, 3.2rem);
    }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.service-card {
    background: var(--paper);
    padding: 2rem 1.8rem;
    min-height: 190px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

    .service-card .tag {
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.72rem;
        letter-spacing: 0.1em;
        color: var(--frio-dim);
    }

    .service-card.hot .tag {
        color: var(--calor-dim);
    }

    .service-card h3 {
        font-size: 1.35rem;
        margin-top: 0.6rem;
    }

    .service-card p {
        margin: 0.7rem 0 0;
        font-size: 0.92rem;
        color: var(--dark);
        line-height: 1.5;
    }

/* ---------- POR QUE ---------- */
.porque-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    align-items: center;
}

.porque-copy p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--steel);
    max-width: 42ch;
}

.stat-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.stat {
    background: var(--asphalt-2);
    padding: 1.8rem;
}

    .stat .num {
        font-family: 'Oswald', sans-serif;
        font-size: 2.6rem;
        color: var(--frio);
    }

    .stat.hot .num {
        color: var(--calor);
    }

    .stat .label {
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.75rem;
        color: var(--steel);
        letter-spacing: 0.04em;
        margin-top: 0.4rem;
    }

/* ---------- GALERIA ---------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 190px;
    grid-auto-flow: dense;
    gap: 10px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid var(--line);
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

    .gallery-item img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
        z-index: 0;
    }

    .gallery-item:hover img {
        transform: scale(1.05);
    }

    .gallery-item::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 1;
        background: linear-gradient(to top, rgba(0,0,0,0.6), rgba(0,0,0,0) 55%);
    }

.gallery-item {
    cursor: zoom-in;
}

/* ---------- FOOTER ---------- */
.site-footer {
    position: relative;
    background: var(--asphalt-2);
    border-top: 1px solid var(--line);
    padding: 3.4rem 6vw 1.6rem;
}

.site-footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 2.4rem;
}

.site-footer-brand p {
    margin: 0.8rem 0 0;
    max-width: 34ch;
    color: var(--steel);
    font-size: 0.9rem;
    line-height: 1.5;
}

.site-footer-col .k {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: #6a7075;
    margin-bottom: 0.5rem;
}

.site-footer-col div:not(.k) {
    font-size: 0.95rem;
}

.site-footer-col a {
    text-decoration: none;
}

    .site-footer-col a:hover {
        color: var(--frio);
    }

.site-footer-bottom {
    max-width: 1180px;
    margin: 2.6rem auto 0;
    padding-top: 1.4rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.6rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    color: #6a7075;
}

@media (max-width: 768px) {
    .site-footer-inner {
        grid-template-columns: 1fr 1fr;
    }

    .social-div {
        margin-top: -120px;
    }
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(10,12,14,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vh 4vw;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

    .lightbox.open {
        opacity: 1;
        visibility: visible;
    }

    .lightbox img {
        max-width: 100%;
        max-height: 100%;
        border-radius: 4px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        transform: scale(0.94);
        transition: transform 0.3s ease;
    }

    .lightbox.open img {
        transform: scale(1);
    }

.lightbox-close {
    position: absolute;
    top: 22px;
    right: 26px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.06);
    color: var(--paper);
    font-size: 1.4rem;
    line-height: 1;
    border-radius: 2px;
    cursor: pointer;
}

    .lightbox-close:hover {
        background: var(--calor);
        border-color: var(--calor);
    }

.lightbox-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 35px;
    text-align: center;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--white);
    background-color: black;
    opacity: 60%;
}

/* ---------- CONTACTO ---------- */
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    align-items: start;
}

.contact-item {
    padding: 1.4rem 0;
    border-bottom: 1px solid var(--line);
}

    .contact-item .k {
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.72rem;
        letter-spacing: 0.1em;
        color: #6a7075;
    }

    .contact-item .v {
        font-family: 'Oswald', sans-serif;
        font-size: 1.5rem;
        margin-top: 0.2rem;
    }

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6em;
    margin-top: 2rem;
    padding: 1rem 1.6rem;
    background: var(--ink);
    color: var(--paper);
    text-decoration: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: background 0.2s ease, transform 0.2s ease;
}

    .cta-btn:hover {
        background: var(--calor);
        transform: translateY(-2px);
    }

.footer-row {
    margin-top: 4rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: #6a7075;
}

@media (max-width: 768px) {
    .lightbox, .lightbox img {
        transition: none;
        position: fixed;
        z-index: 2;
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.7rem;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--paper);
        background: rgba(20,24,27,0.55);
        padding: 0.3rem 0.6rem;
        border-radius: 2px;
        transition: transform 0.25s ease;
    }

    .lightbox-close {
        top: 80px;
        right: 10px;
    }

    .lightbox-caption {
        bottom: 145px;
        z-index: 10;
    }

    .gallery-item:hover .g-label {
        transform: translateY(-4px);
    }

    .gallery-item.span-2 {
        grid-column: span 2;
    }

    .gallery-item.tall {
        grid-row: span 2;
    }

    @media (max-width: 768px) {
        .gallery-grid {
            grid-template-columns: repeat(2, 1fr);
            grid-auto-rows: 150px;
        }

        .gallery-item.span-2 {
            grid-column: span 2;
        }

        .gallery-item.tall {
            grid-row: span 1;
        }
    }

    /* ---------- CONTACTO ---------- */
    .contacto-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4vw;
        align-items: start;
    }

    .contact-item {
        padding: 1.4rem 0;
        border-bottom: 1px solid var(--line);
    }

        .contact-item .k {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.72rem;
            letter-spacing: 0.1em;
            color: #6a7075;
        }

        .contact-item .v {
            font-family: 'Oswald', sans-serif;
            font-size: 1.5rem;
            margin-top: 0.2rem;
        }

    .cta-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.6em;
        margin-top: 2rem;
        padding: 1rem 1.6rem;
        background: var(--ink);
        color: var(--paper);
        text-decoration: none;
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.85rem;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        border-radius: 2px;
        transition: background 0.2s ease, transform 0.2s ease;
    }

        .cta-btn:hover {
            background: var(--calor);
            transform: translateY(-2px);
        }

    .footer-row {
        margin-top: 4rem;
        padding-top: 1.6rem;
        border-top: 1px solid var(--line);
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 1rem;
        font-family: 'IBM Plex Mono', monospace;
        font-size: 0.75rem;
        color: #6a7075;
    }

    @media (max-width: 768px) {
        .hero-grid, .porque-grid, .contacto-grid {
            grid-template-columns: 1fr;
        }

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

        .stat-list {
            grid-template-columns: 1fr 1fr;
        }

        .curtain {
            padding: 8vh 6vw;
        }

        .hero-meta {
            gap: 1.4rem;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        .gauge-needle {
            animation: none;
            transform: rotate(0deg);
        }

        html {
            scroll-behavior: auto;
        }

        .cta-btn {
            transition: none;
        }
    }
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 25px;
    right: 25px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0,0,0,.3);
    z-index: 9999;
    transition: transform .3s ease;
}

    .whatsapp-float:hover {
        transform: scale(1.1);
    }

.facebook-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #6a7075;
    color: white;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, background 0.2s ease;
}

    .facebook-link:hover {
        background: var(--asphalt);
        transform: translateY(-2px);
    }

.instagram-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #6a7075;
    color: white;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, background 0.2s ease;
}

    .instagram-link:hover {
        background: var(--asphalt);
        transform: translateY(-2px);
    }


/* =========================================================
   ARGENTAIR — CINEMATIC INTRO
   ========================================================= */

body.intro-lock {
    overflow: hidden;
}

.argentair-intro {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    overflow: hidden;
    isolation: isolate;
    background: radial-gradient(circle at 50% 44%, rgba(79,168,201,.13), transparent 28%), radial-gradient(circle at 52% 62%, rgba(196,85,43,.08), transparent 30%), var(--asphalt);
    color: var(--paper);
    opacity: 1;
    visibility: visible;
    transition: opacity .75s cubic-bezier(.65,0,.2,1), visibility .75s;
}

    .argentair-intro.is-leaving {
        opacity: 0;
        visibility: hidden;
    }

.intro-noise {
    position: absolute;
    inset: -50%;
    opacity: .035;
    pointer-events: none;
    background-image: repeating-radial-gradient(circle at 0 0, rgba(255,255,255,.7) 0 1px, transparent 1px 4px);
    background-size: 7px 7px;
    animation: introNoise .18s steps(2) infinite;
}

.intro-grid-lines {
    position: absolute;
    inset: -10%;
    opacity: .16;
    background-image: linear-gradient(rgba(240,237,230,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(240,237,230,.055) 1px, transparent 1px);
    background-size: 58px 58px;
    transform: perspective(700px) rotateX(62deg) scale(1.45) translateY(18%);
    transform-origin: center bottom;
    mask-image: linear-gradient(to bottom, transparent 0%, black 35%, black 78%, transparent 100%);
    animation: introGridDrift 7s linear infinite;
}

.intro-scan {
    position: absolute;
    width: min(78vw, 720px);
    height: min(78vw, 720px);
    border-radius: 50%;
    border: 1px solid rgba(240,237,230,.10);
    box-shadow: 0 0 0 38px rgba(79,168,201,.018), 0 0 0 76px rgba(196,85,43,.012);
}

    .intro-scan::before,
    .intro-scan::after {
        content: "";
        position: absolute;
        inset: 7%;
        border-radius: 50%;
        border: 1px dashed rgba(240,237,230,.11);
    }

    .intro-scan::after {
        inset: 25%;
        border-style: solid;
        border-color: rgba(79,168,201,.18);
        border-right-color: rgba(196,85,43,.24);
        animation: introRotate 12s linear infinite;
    }

.intro-scan-a {
    animation: introScanIn 1.5s cubic-bezier(.16,1,.3,1) both, introPulse 4s ease-in-out 1.2s infinite;
}

.intro-scan-b {
    width: min(48vw, 440px);
    height: min(48vw, 440px);
    border-color: rgba(240,237,230,.07);
    transform: rotate(45deg) scale(.82);
    animation: introSquareIn 1.2s cubic-bezier(.16,1,.3,1) .18s both, introRotateReverse 16s linear 1.4s infinite;
}

.intro-center {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: min(92vw, 620px);
    animation: introCenterIn 1s cubic-bezier(.16,1,.3,1) .15s both;
}

.intro-mark-frame {
    position: relative;
    width: 96px;
    height: 96px;
    display: grid;
    place-items: center;
    margin-bottom: 1.35rem;
    opacity: 0;
    transform: translateY(14px) scale(.88);
    animation: introMarkIn .9s cubic-bezier(.16,1,.3,1) .45s forwards;
}

.intro-mark {
    width: 64px;
    height: 64px;
    background: url('images/logo.png') center / contain no-repeat;
    filter: drop-shadow(0 0 18px rgba(79,168,201,.20));
}

.intro-corner {
    position: absolute;
    width: 18px;
    height: 18px;
    border-color: rgba(240,237,230,.65);
    border-style: solid;
}

.intro-corner-tl {
    top: 0;
    left: 0;
    border-width: 1px 0 0 1px;
}

.intro-corner-tr {
    top: 0;
    right: 0;
    border-width: 1px 1px 0 0;
}

.intro-corner-bl {
    bottom: 0;
    left: 0;
    border-width: 0 0 1px 1px;
}

.intro-corner-br {
    bottom: 0;
    right: 0;
    border-width: 0 1px 1px 0;
}

.intro-brand {
    opacity: 0;
    transform: translateY(10px);
    animation: introTextIn .85s cubic-bezier(.16,1,.3,1) .75s forwards;
}

.intro-brand-name {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(2.7rem, 8vw, 5.7rem);
    font-weight: 600;
    line-height: .9;
    letter-spacing: .055em;
}

.intro-brand-sub {
    margin-top: .72rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(.58rem, 1.4vw, .75rem);
    letter-spacing: .38em;
    color: var(--steel);
}

.intro-divider {
    width: min(320px, 62vw);
    height: 1px;
    margin: 1.7rem 0 1rem;
    background: rgba(240,237,230,.13);
    overflow: hidden;
    opacity: 0;
    animation: introFadeIn .5s ease 1.15s forwards;
}

    .intro-divider span {
        display: block;
        width: 38%;
        height: 100%;
        margin-left: -38%;
        background: linear-gradient(90deg, var(--frio), var(--paper), var(--calor));
        animation: introDivider .95s cubic-bezier(.65,0,.2,1) 1.2s forwards;
    }

.intro-status {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: .65rem;
    letter-spacing: .15em;
    color: rgba(240,237,230,.58);
    opacity: 0;
    animation: introTextIn .7s ease 1.35s forwards;
}

.intro-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--frio);
    box-shadow: 0 0 12px rgba(79,168,201,.8);
    animation: introDot 1.4s ease-in-out 1.5s infinite;
}

.intro-progress {
    width: min(240px, 48vw);
    height: 2px;
    margin-top: 1.6rem;
    background: rgba(240,237,230,.08);
    overflow: hidden;
    opacity: 0;
    animation: introFadeIn .4s ease 1.45s forwards;
}

    .intro-progress span {
        display: block;
        width: 0;
        height: 100%;
        background: linear-gradient(90deg, var(--frio), var(--paper), var(--calor));
        animation: introProgress 2.05s cubic-bezier(.65,0,.2,1) .35s forwards;
    }

.intro-temperature,
.intro-location,
.intro-year {
    position: absolute;
    z-index: 2;
    font-family: 'IBM Plex Mono', monospace;
    font-size: .58rem;
    letter-spacing: .15em;
    color: rgba(240,237,230,.35);
    text-transform: uppercase;
    opacity: 0;
}

.intro-temperature {
    top: 50%;
    transform: translateY(-50%);
    animation: introSideIn .8s ease 1.1s forwards;
}

    .intro-temperature i {
        font-style: normal;
        margin-left: .5rem;
        color: rgba(240,237,230,.18);
    }

.intro-temperature-cold {
    left: 5vw;
    color: rgba(79,168,201,.58);
}

.intro-temperature-hot {
    right: 5vw;
    color: rgba(196,85,43,.58);
}

.intro-location {
    left: 5vw;
    bottom: 4vh;
    animation: introBottomIn .7s ease 1.35s forwards;
}

.intro-year {
    right: 5vw;
    bottom: 4vh;
    animation: introBottomIn .7s ease 1.5s forwards;
}

@keyframes introCenterIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

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

@keyframes introMarkIn {
    0% {
        opacity: 0;
        transform: translateY(14px) scale(.72);
        filter: blur(8px);
    }

    65% {
        opacity: 1;
        transform: translateY(-2px) scale(1.04);
        filter: blur(0);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes introTextIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@keyframes introFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes introDivider {
    from {
        margin-left: -38%;
    }

    to {
        margin-left: 100%;
    }
}

@keyframes introProgress {
    0% {
        width: 0;
    }

    75% {
        width: 74%;
    }

    100% {
        width: 100%;
    }
}

@keyframes introScanIn {
    from {
        opacity: 0;
        transform: scale(.7);
    }

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

@keyframes introSquareIn {
    from {
        opacity: 0;
        transform: rotate(18deg) scale(.6);
    }

    to {
        opacity: 1;
        transform: rotate(45deg) scale(.82);
    }
}

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

@keyframes introRotateReverse {
    to {
        transform: rotate(-315deg);
    }
}

@keyframes introPulse {
    0%, 100% {
        box-shadow: 0 0 0 38px rgba(79,168,201,.018), 0 0 0 76px rgba(196,85,43,.012);
    }

    50% {
        box-shadow: 0 0 0 50px rgba(79,168,201,.028), 0 0 0 100px rgba(196,85,43,.018);
    }
}

@keyframes introGridDrift {
    from {
        transform: perspective(700px) rotateX(62deg) scale(1.45) translateY(18%);
    }

    to {
        transform: perspective(700px) rotateX(62deg) scale(1.45) translateY(5%);
    }
}

@keyframes introNoise {
    0% {
        transform: translate3d(0,0,0);
    }

    25% {
        transform: translate3d(2%, -1%, 0);
    }

    50% {
        transform: translate3d(-1%, 2%, 0);
    }

    75% {
        transform: translate3d(1%, 1%, 0);
    }

    100% {
        transform: translate3d(-2%, -2%, 0);
    }
}

@keyframes introDot {
    0%, 100% {
        opacity: .35;
        transform: scale(.8);
    }

    50% {
        opacity: 1;
        transform: scale(1.35);
    }
}

@keyframes introSideIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(12px);
    }

    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes introBottomIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

@media (max-width: 768px) {
    .intro-scan {
        width: 108vw;
        height: 108vw;
    }

    .intro-scan-b {
        width: 70vw;
        height: 70vw;
    }

    .intro-temperature {
        top: auto;
        bottom: 9vh;
        transform: none;
    }

    .intro-temperature-cold {
        left: 5vw;
    }

    .intro-temperature-hot {
        right: 5vw;
    }

    .intro-location,
    .intro-year {
        bottom: 4vh;
        font-size: .5rem;
    }

    .intro-location {
        left: 5vw;
    }

    .intro-year {
        right: 5vw;
    }

    .intro-brand-name {
        font-size: clamp(2.6rem, 14vw, 4.5rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .argentair-intro,
    .intro-noise,
    .intro-grid-lines,
    .intro-scan,
    .intro-scan-a,
    .intro-scan-b,
    .intro-center,
    .intro-mark-frame,
    .intro-brand,
    .intro-divider,
    .intro-divider span,
    .intro-status,
    .intro-status-dot,
    .intro-progress,
    .intro-progress span,
    .intro-temperature,
    .intro-location,
    .intro-year {
        animation: none !important;
        transition: none !important;
    }

    .intro-mark-frame,
    .intro-brand,
    .intro-divider,
    .intro-status,
    .intro-progress,
    .intro-temperature,
    .intro-location,
    .intro-year {
        opacity: 1;
        transform: none;
    }

        .intro-progress span {
            width: 100%;
        }
}