/* ==========================================================================
   graphenemex.css — Case study: Graphenemex
   Tokens del proyecto viven en styles.css (:root). Este archivo sólo
   contiene las clases específicas de esta página de caso de estudio.
   ========================================================================== */

/* ---- HERO ---- */
#gpx-hero {
    background:
        linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px),
        var(--navy);
    background-size: 88px 88px, 88px 88px, auto;
    padding: calc(var(--nav-h, 80px) + 4rem) 0 5rem;
    position: relative;
    overflow: hidden;
}

#gpx-hero::before {
    content: '';
    position: absolute;
    top: -180px;
    right: -180px;
    width: 960px;
    height: 960px;
    background: radial-gradient(circle, rgba(82, 190, 210, .07) 0%, rgba(82, 190, 210, .02) 35%, rgba(82, 190, 210, .005) 55%, transparent 72%);
    pointer-events: none;
    animation: gpx-float-glow 8s ease-in-out infinite;
}

@keyframes gpx-float-glow {
    0%   { transform: translate(0, 0); }
    20%  { transform: translate(-30px, 20px); }
    40%  { transform: translate(-20px, 45px); }
    60%  { transform: translate(25px, 30px); }
    80%  { transform: translate(-10px, 12px); }
    100% { transform: translate(0, 0); }
}

.gpx-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    z-index: 1;
    gap: 4rem;
    align-items: center;
}

.gpx-hero-crumb {
    display: flex;
    list-style: none;
    margin: 0 0 1.75rem;
    padding: 0;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--cyan);
}

.gpx-hero-crumb li + li::before {
    content: '\203A';
    margin-right: 0.5rem;
    color: rgba(255, 255, 255, .35);
}

.gpx-hero-crumb a {
    color: rgba(255, 255, 255, .55);
}

.gpx-hero-crumb a:hover {
    color: var(--cyan);
}

.gpx-hero-title {
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.125rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -1px;
}

.gpx-hero-desc {
    max-width: 480px;
    font-size: 1.1875rem;
    color: rgba(255, 255, 255, .62);
    line-height: 1.75;
}

.gpx-hero-mockup {
    min-height: 360px;
    border: 1px solid rgba(82, 190, 210, .28);
    border-radius: var(--radius);
    background: var(--navy-mid);
}

/* ---- SECTION BASE ---- */
.gpx-sec-dark {
    position: relative;
    overflow: hidden;
    background: var(--navy);
}

.gpx-sec-dark > .container {
    position: relative;
    z-index: 1;
}

.gpx-glow {
    position: absolute;
    width: 880px;
    height: 880px;
    background: radial-gradient(circle, rgba(82, 190, 210, .06) 0%, rgba(82, 190, 210, .018) 35%, rgba(82, 190, 210, .004) 55%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: gpx-float-glow 8s ease-in-out infinite;
}

.gpx-glow--objetivos { top: -150px; right: -150px; }
.gpx-glow--estrategia { top: -100px; left: -150px; animation-delay: -3s; }
.gpx-glow--ejecucion { top: -120px; right: 10%; animation-delay: -5s; }
.gpx-glow--resultados { top: -150px; right: 5%; animation-delay: -2s; }
.gpx-glow--cta { top: -150px; left: 30%; animation-delay: -3s; }

.gpx-sec-head {
    text-align: center;
}

.gpx-title-dark {
    font-family: var(--font-display);
    font-size: clamp(1.875rem, 3.6vw, 2.875rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.12;
    letter-spacing: -1px;
}

.gpx-title-light {
    font-family: var(--font-display);
    font-size: clamp(1.875rem, 3.6vw, 2.875rem);
    font-weight: 800;
    color: var(--navy);
    line-height: 1.12;
    letter-spacing: -1px;
}

.gpx-sec-sub-light {
    margin-top: 1.125rem;
    font-size: 1.1875rem;
    color: var(--text-muted);
}

/* ---- CONTEXTO ---- */
#gpx-contexto {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.gpx-ctx-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 3.5rem;
    gap: 1.5rem;
}

.gpx-ctx-card {
    border-radius: 1.125rem;
    overflow: hidden;
}

.gpx-ctx-card--antes { background: #F5F7FA; }
.gpx-ctx-card--despues { background: var(--navy); }

.gpx-ctx-body {
    padding: 1.75rem 2rem 2.125rem;
}

.gpx-ctx-title {
    margin-bottom: 1.25rem;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -.5px;
}

.gpx-ctx-card--antes .gpx-ctx-title { color: var(--navy); }
.gpx-ctx-card--despues .gpx-ctx-title { color: var(--white); }

.gpx-ctx-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gpx-ctx-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 1.1875rem;
}

.gpx-ctx-card--antes .gpx-ctx-item { color: var(--text-mid); }
.gpx-ctx-card--despues .gpx-ctx-item { color: rgba(255, 255, 255, .82); }

.gpx-ctx-item svg {
    flex-shrink: 0;
}

/* ---- OBJETIVOS ---- */
#gpx-objetivos {
    padding: var(--space-4xl) 0;
}

.gpx-obj-list {
    max-width: 57.5rem;
    margin: 3.5rem auto 0;
}

.gpx-obj-item {
    display: flex;
    align-items: flex-start;
    gap: 1.375rem;
    padding: 1.625rem 0;
    border-bottom: 1px solid rgba(82, 190, 210, .15);
}

.gpx-obj-item:first-child {
    border-top: 1px solid rgba(82, 190, 210, .15);
}

.gpx-obj-check {
    flex-shrink: 0;
    margin-top: 3px;
}

.gpx-obj-text {
    font-size: 1.3125rem;
    color: rgba(255, 255, 255, .85);
    line-height: 1.55;
}

.gpx-obj-text strong {
    font-weight: 700;
    color: var(--white);
}

/* ---- ESTRATEGIA ---- */
#gpx-estrategia {
    padding: var(--space-4xl) 0;
}

.gpx-estr-intro {
    max-width: 52rem;
    margin: 2rem auto 0;
    font-size: 1.1875rem;
    color: rgba(255, 255, 255, .68);
    line-height: 1.75;
    text-align: center;
}

.gpx-estr-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 3rem;
    gap: 1.5rem;
}

.gpx-estr-card {
    border: 1px solid rgba(82, 190, 210, .16);
    border-radius: 1rem;
    padding: 2rem 2.125rem 2.25rem;
    background: var(--navy-mid);
}

.gpx-estr-eyebrow {
    margin-bottom: 0.625rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--cyan);
}

.gpx-estr-name {
    margin-bottom: 0.875rem;
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--white);
}

.gpx-estr-desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, .55);
    line-height: 1.7;
}

.gpx-estr-note {
    margin-top: 1.5rem;
    border: 1px solid rgba(82, 190, 210, .16);
    border-radius: 1rem;
    padding: 1.875rem 2.5rem;
    background: var(--navy-mid);
    font-size: 1.1875rem;
    color: rgba(255, 255, 255, .82);
    line-height: 1.7;
    text-align: center;
}

.gpx-estr-note strong {
    font-weight: 700;
    color: var(--cyan);
}

/* ---- EJECUCION ---- */
#gpx-ejecucion {
    padding: var(--space-4xl) 0;
}

.gpx-ejec-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 2.75rem 0 3rem;
    gap: 0.5rem;
}

.gpx-ejec-tab {
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0.625rem 1.25rem;
    background: none;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, .55);
    cursor: pointer;
    transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.gpx-ejec-tab:hover {
    color: rgba(255, 255, 255, .85);
}

.gpx-ejec-tab.is-active {
    border-color: rgba(82, 190, 210, .5);
    background: rgba(82, 190, 210, .08);
    color: var(--white);
}

.gpx-ejec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 3.5rem;
}

.gpx-ejec-img {
    min-height: 460px;
    border-radius: 1.125rem;
    background: var(--navy-mid);
}

.gpx-ejec-block + .gpx-ejec-block {
    margin-top: 2.25rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(82, 190, 210, .14);
}

.gpx-ejec-panel-label {
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--cyan);
}

.gpx-ejec-bullets {
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
}

.gpx-ejec-bullet {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
}

.gpx-ejec-dot {
    flex-shrink: 0;
    width: 9px;
    height: 9px;
    margin-top: 10px;
    border-radius: 50%;
    background: var(--cyan);
}

.gpx-ejec-btext {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, .78);
    line-height: 1.6;
}

/* ---- RESULTADOS ---- */
#gpx-resultados {
    padding: var(--space-4xl) 0;
}

.gpx-res-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 3.25rem 0 3.5rem;
    gap: 1.5rem;
}

.gpx-res-stat {
    border-radius: 1rem;
    padding: 2.5rem 1.75rem;
    background: var(--navy-mid);
    text-align: center;
}

.gpx-res-num {
    margin-bottom: 0.875rem;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    letter-spacing: -2px;
}

.gpx-res-num--static {
    font-size: 2.75rem;
}

.gpx-res-label {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, .55);
    line-height: 1.5;
}

.gpx-res-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 3.5rem;
}

.gpx-res-img {
    min-height: 420px;
    border-radius: 1.125rem;
    background: var(--navy-mid);
}

.gpx-res-list-label {
    margin-bottom: 1.375rem;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--cyan);
}

.gpx-res-list {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.gpx-res-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 1.1875rem;
    color: rgba(255, 255, 255, .72);
    line-height: 1.6;
}

.gpx-res-item svg {
    flex-shrink: 0;
    margin-top: 3px;
}

/* ---- FICHA RESUMEN ---- */
#gpx-ficha {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.gpx-ficha-table {
    max-width: 57.5rem;
    margin: 3.25rem auto 0;
}

.gpx-ficha-row {
    display: grid;
    grid-template-columns: 260px 1fr;
    padding: 1.75rem 0;
    border-top: 1.5px solid var(--cyan);
    gap: 2rem;
}

.gpx-ficha-row:last-child {
    border-bottom: 1.5px solid var(--cyan);
}

.gpx-ficha-label {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.gpx-ficha-values {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gpx-ficha-value {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy);
}

.gpx-ficha-dot {
    flex-shrink: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cyan);
}

/* ---- CTA ---- */
#gpx-cta {
    padding: 6.875rem 0;
}

.gpx-cta-inner {
    text-align: center;
}

.gpx-cta-title {
    max-width: 44rem;
    margin: 0 auto 1.5rem;
    font-family: var(--font-display);
    font-size: clamp(2.125rem, 4.4vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.08;
    letter-spacing: -1.5px;
    text-wrap: pretty;
}

.gpx-cta-sub {
    max-width: 560px;
    margin: 0 auto 2.5rem;
    font-size: 1.1875rem;
    color: rgba(255, 255, 255, .6);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 960px) {
    .gpx-hero-inner,
    .gpx-ctx-grid,
    .gpx-estr-grid,
    .gpx-ejec-grid,
    .gpx-res-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .gpx-res-stats {
        grid-template-columns: 1fr;
    }

    .gpx-ficha-row {
        grid-template-columns: 1fr;
        gap: 0.875rem;
    }
}

@media (max-width: 480px) {
    #gpx-contexto,
    #gpx-objetivos,
    #gpx-estrategia,
    #gpx-ejecucion,
    #gpx-resultados,
    #gpx-ficha,
    #gpx-cta {
        padding: 4.5rem 0;
    }

    .gpx-ejec-tabs {
        gap: 0.375rem;
    }

    .gpx-ejec-tab {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    #gpx-hero::before,
    .gpx-glow {
        animation: none;
    }
}