/* ==========================================================================
   AV Solutions — Hoja de estilos principal
   Arquitectura e Ingeniería Contra Incendios
   ========================================================================== */

/* ---------- Variables de marca ---------- */
:root {
    --color-verde: #C0F31B;
    --color-verde-oscuro: #9BC516;
    --color-verde-suave: #E8FBC2;
    --color-negro: #000000;
    --color-gris-900: #1A1A1A;
    --color-gris-800: #2C2C2C;
    --color-gris-700: #3A3A3A;
    --color-gris-500: #6B6B6B;
    --color-gris-300: #D1D1D1;
    --color-gris-100: #F5F5F5;
    --color-blanco: #FFFFFF;
    --color-error: #E74C3C;
    --color-exito: #27AE60;

    --font-base: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Poppins', system-ui, sans-serif;

    --header-height: 96px;
    --container-max: 1280px;
    --radio-sm: 6px;
    --radio-md: 12px;
    --radio-lg: 20px;

    --sombra-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --sombra-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --sombra-lg: 0 16px 48px rgba(0, 0, 0, 0.12);

    --transicion: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-base);
    color: var(--color-gris-800);
    background-color: var(--color-blanco);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transicion);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--color-gris-900);
    line-height: 1.2;
    font-weight: 700;
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-eyebrow {
    display: inline-block;
    color: var(--color-gris-700);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
    position: relative;
    padding-left: 40px;
}

.section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 28px;
    height: 2px;
    background: var(--color-verde);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--color-gris-500);
    font-size: 1.0625rem;
    max-width: 640px;
    margin: 0 auto;
}

/* ---------- Botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radio-sm);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: all var(--transicion);
    min-height: 48px;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-verde);
    color: var(--color-negro);
    box-shadow: 0 4px 12px rgba(192, 243, 27, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-verde-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(192, 243, 27, 0.4);
}

.btn-dark {
    background-color: var(--color-gris-900);
    color: var(--color-blanco);
}

.btn-dark:hover {
    background-color: var(--color-negro);
    transform: translateY(-2px);
    box-shadow: var(--sombra-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gris-900);
    border: 2px solid var(--color-gris-900);
}

.btn-outline:hover {
    background-color: var(--color-gris-900);
    color: var(--color-blanco);
}

.btn-arrow::after {
    content: '→';
    transition: transform var(--transicion);
}

.btn-arrow:hover::after {
    transform: translateX(4px);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transicion), box-shadow var(--transicion);
}

.header.is-scrolled {
    border-bottom-color: var(--color-gris-300);
    box-shadow: var(--sombra-sm);
}

.nav {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0;
    margin: 0;
    z-index: 1100;
}

.nav-logo img {
    height: 100%;
    width: auto;
    max-height: 96px;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: inline-block;
    padding: 10px 18px;
    color: var(--color-gris-800);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radio-sm);
    position: relative;
    transition: color var(--transicion), background var(--transicion);
}

.nav-link:hover {
    color: var(--color-negro);
}

.nav-link.is-active {
    color: var(--color-negro);
    font-weight: 600;
}

.nav-link.is-active::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 4px;
    height: 3px;
    background: var(--color-verde);
    border-radius: 2px;
}

.nav-cta {
    margin-left: 12px;
    padding: 12px 22px;
    min-height: 44px;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    z-index: 1100;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-gris-900);
    transition: all var(--transicion);
    border-radius: 2px;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO — INICIO
   ========================================================================== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + 60px) 0 80px;
    background: linear-gradient(135deg, #FAFAFA 0%, #FFFFFF 60%, #F0F0F0 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 60%;
    height: 70%;
    background: radial-gradient(circle, var(--color-verde-suave) 0%, transparent 70%);
    opacity: 0.7;
    z-index: 0;
}

.hero-shape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35%;
    height: 60%;
    background: linear-gradient(135deg, var(--color-verde) 0%, var(--color-verde-suave) 100%);
    clip-path: polygon(0 100%, 0 0, 100% 100%);
    opacity: 0.18;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-text {
    max-width: 640px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--color-blanco);
    border: 1px solid var(--color-gris-300);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gris-800);
    margin-bottom: 28px;
    box-shadow: var(--sombra-sm);
}

.hero-eyebrow .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-verde);
    box-shadow: 0 0 0 4px rgba(192, 243, 27, 0.25);
}

.hero-title {
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-title .accent {
    position: relative;
    display: inline-block;
}

.hero-title .accent::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 6px;
    height: 14px;
    background: var(--color-verde);
    z-index: -1;
    opacity: 0.85;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gris-700);
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--color-gris-300);
}

.hero-stat .num {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gris-900);
    display: block;
    line-height: 1;
}

.hero-stat .label {
    font-size: 0.85rem;
    color: var(--color-gris-500);
    margin-top: 6px;
    display: block;
}

.hero-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 520px;
    width: 100%;
    justify-self: end;
}

/* ----- Carrusel del hero ----- */
.hero-carousel {
    position: absolute;
    inset: 0;
    border-radius: var(--radio-lg);
    overflow: hidden;
    box-shadow: var(--sombra-lg);
    background: var(--color-gris-900);
}

.hero-carousel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.25) 100%);
    pointer-events: none;
    z-index: 2;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 1.2s ease, transform 6s ease;
    z-index: 1;
}

.hero-slide img,
.hero-slide svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-slide.is-active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.hero-carousel-dots {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 4;
}

.hero-carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all var(--transicion);
}

.hero-carousel-dot.is-active {
    background: var(--color-verde);
    width: 24px;
    border-radius: 4px;
}

.hero-slide-label {
    position: absolute;
    bottom: 48px;
    left: 24px;
    right: 24px;
    color: var(--color-blanco);
    z-index: 3;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

.hero-slide.is-active .hero-slide-label {
    opacity: 1;
    transform: translateY(0);
}

.hero-badge {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background: var(--color-blanco);
    padding: 18px 22px;
    border-radius: var(--radio-md);
    box-shadow: var(--sombra-lg);
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 3;
}

.hero-badge .badge-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-verde);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-negro);
    font-weight: 800;
    font-size: 1.25rem;
}

.hero-badge .badge-text {
    font-size: 0.85rem;
    line-height: 1.3;
}

.hero-badge .badge-text strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-gris-900);
}

/* ==========================================================================
   HERO — Páginas internas
   ========================================================================== */
.page-hero {
    padding: calc(var(--header-height) + 80px) 0 80px;
    background: linear-gradient(135deg, var(--color-gris-900) 0%, var(--color-gris-700) 100%);
    color: var(--color-blanco);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 50%;
    height: 160%;
    background: radial-gradient(circle, rgba(192, 243, 27, 0.18), transparent 65%);
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.page-hero-eyebrow {
    color: var(--color-verde);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.page-hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-blanco);
    margin-bottom: 16px;
    max-width: 800px;
}

.page-hero-text {
    color: var(--color-gris-300);
    font-size: 1.125rem;
    max-width: 700px;
}

.page-hero.has-visual .page-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: center;
}

.page-hero-visual {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radio-lg);
    overflow: hidden;
    box-shadow: var(--sombra-lg);
    background: var(--color-gris-700);
}

.page-hero-visual img,
.page-hero-visual svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    animation: zoomIn 1.4s ease both;
}

.page-hero-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 50%, rgba(192, 243, 27, 0.18));
    pointer-events: none;
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(1.1); }
    to { opacity: 1; transform: scale(1); }
}

@media (max-width: 1024px) {
    .page-hero.has-visual .page-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ==========================================================================
   SERVICIOS PREVIEW (Inicio)
   ========================================================================== */
.servicios {
    background: var(--color-gris-100);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.servicio-card {
    background: var(--color-blanco);
    border-radius: var(--radio-md);
    padding: 36px 32px;
    transition: transform var(--transicion), box-shadow var(--transicion);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-verde);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.servicio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-lg);
    border-color: var(--color-gris-300);
}

.servicio-card:hover::before {
    transform: scaleX(1);
}

.servicio-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radio-sm);
    background: var(--color-verde-suave);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-gris-900);
    overflow: hidden;
}

.servicio-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.servicio-card h3 {
    font-size: 1.375rem;
    margin-bottom: 12px;
}

.servicio-card p {
    color: var(--color-gris-500);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.servicio-features {
    margin-bottom: 24px;
}

.servicio-features li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--color-gris-700);
    font-size: 0.925rem;
    border-bottom: 1px solid var(--color-gris-100);
}

.servicio-features li:last-child {
    border-bottom: none;
}

.servicio-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    width: 14px;
    height: 2px;
    background: var(--color-verde);
}

.servicio-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-gris-900);
    font-weight: 600;
    font-size: 0.9rem;
}

.servicio-link::after {
    content: '→';
    transition: transform var(--transicion);
}

.servicio-link:hover::after {
    transform: translateX(4px);
}

/* ==========================================================================
   PROYECTOS EMBLEMÁTICOS
   ========================================================================== */
.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.proyecto-card {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radio-md);
    overflow: hidden;
    background: var(--color-gris-900);
    cursor: pointer;
    transition: transform var(--transicion);
}

.proyecto-card:hover {
    transform: translateY(-4px);
}

.proyecto-media {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.proyecto-media-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 1s ease, transform 5s ease;
}

.proyecto-media-slide.is-active {
    opacity: 1;
    transform: scale(1);
}

.proyecto-card:hover .proyecto-media-slide.is-active {
    transform: scale(1.08);
}

.proyecto-media-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.proyecto-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.85) 100%);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--color-blanco);
    z-index: 2;
}

.proyecto-tag {
    display: inline-block;
    align-self: flex-start;
    padding: 4px 12px;
    background: var(--color-verde);
    color: var(--color-negro);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 100px;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.proyecto-card h3 {
    color: var(--color-blanco);
    font-size: 1.5rem;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.proyecto-subtitle {
    font-size: 0.95rem;
    color: var(--color-gris-300);
    margin-bottom: 12px;
}

.proyecto-desc {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 16px;
    line-height: 1.5;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.proyecto-card:hover .proyecto-desc {
    max-height: 100px;
    opacity: 1;
    margin-bottom: 16px;
}

.proyecto-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--color-verde);
    font-weight: 600;
}

.proyecto-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   CLIENTES (logos) — Marquee animado
   ========================================================================== */
.clientes {
    background: var(--color-blanco);
    overflow: hidden;
}

.clientes-marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}

.clientes-marquee + .clientes-marquee {
    margin-top: 24px;
}

.clientes-track {
    display: flex;
    width: max-content;
    gap: 64px;
    animation: marqueeLeft 60s linear infinite;
    will-change: transform;
}

.clientes-marquee.reverse .clientes-track {
    animation-name: marqueeRight;
    animation-duration: 70s;
}

.clientes-marquee:hover .clientes-track {
    animation-play-state: paused;
}

.cliente-logo {
    flex: 0 0 auto;
    height: 80px;
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transicion);
}

.cliente-logo:hover {
    transform: scale(1.08);
}

.cliente-logo img {
    height: 100%;
    width: auto;
    max-width: none;
    object-fit: contain;
    display: block;
}

@keyframes marqueeLeft {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@keyframes marqueeRight {
    from { transform: translateX(-50%); }
    to { transform: translateX(0); }
}

/* ==========================================================================
   CERTIFICACIONES — Marquee animado
   ========================================================================== */
.certificaciones {
    background: var(--color-gris-100);
    overflow: hidden;
}

.certificados-marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}

.certificados-marquee + .certificados-marquee {
    margin-top: 20px;
}

.certificados-track {
    display: flex;
    width: max-content;
    gap: 24px;
    animation: marqueeLeft 35s linear infinite;
    will-change: transform;
}

.certificados-marquee.reverse .certificados-track {
    animation-name: marqueeRight;
    animation-duration: 40s;
}

.certificados-marquee:hover .certificados-track {
    animation-play-state: paused;
}

.certificado-card {
    flex: 0 0 auto;
    width: 320px;
    height: 240px;
    background: var(--color-blanco);
    border-radius: var(--radio-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all var(--transicion);
    border: 1px solid var(--color-gris-300);
    cursor: pointer;
    box-shadow: var(--sombra-sm);
}

.certificado-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: var(--sombra-lg);
    border-color: var(--color-verde);
}

.certificado-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta {
    padding: 80px 0;
    background: var(--color-gris-900);
    color: var(--color-blanco);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 50%;
    height: 200%;
    background: radial-gradient(circle, rgba(192, 243, 27, 0.15), transparent 60%);
}

.cta .container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
}

.cta h2 {
    color: var(--color-blanco);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.cta p {
    color: var(--color-gris-300);
    font-size: 1.0625rem;
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

/* ==========================================================================
   PÁGINA SERVICIOS — Detalles
   ========================================================================== */
.servicio-detalle {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-gris-100);
}

.servicio-detalle:nth-child(even) {
    background: var(--color-gris-100);
}

.servicio-detalle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.servicio-detalle:nth-child(even) .servicio-detalle-grid {
    direction: rtl;
}

.servicio-detalle:nth-child(even) .servicio-detalle-grid > * {
    direction: ltr;
}

.servicio-detalle-info .section-eyebrow {
    margin-bottom: 16px;
}

.servicio-detalle-info h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 24px;
}

.servicio-detalle-info > p {
    color: var(--color-gris-700);
    font-size: 1.0625rem;
    margin-bottom: 32px;
}

.servicio-detalle-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.servicio-detalle-list li {
    padding: 16px 16px 16px 44px;
    background: var(--color-blanco);
    border-radius: var(--radio-sm);
    position: relative;
    font-size: 0.95rem;
    color: var(--color-gris-800);
    box-shadow: var(--sombra-sm);
    border-left: 3px solid var(--color-verde);
}

.servicio-detalle:nth-child(even) .servicio-detalle-list li {
    background: var(--color-blanco);
}

.servicio-detalle-list li::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-verde);
    border-radius: 50%;
    box-shadow: inset 0 0 0 4px var(--color-blanco), 0 0 0 1px var(--color-verde);
}

.servicio-detalle-visual {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: var(--radio-lg);
    overflow: hidden;
    box-shadow: var(--sombra-lg);
    background: var(--color-gris-700);
}

.servicio-detalle-visual > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.servicio-detalle-visual:hover > img {
    transform: scale(1.04);
}

.servicio-detalle-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5) 100%);
    pointer-events: none;
}

.servicio-detalle-visual .visual-tag {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    color: var(--color-blanco);
    padding: 16px 20px;
    border-radius: var(--radio-sm);
    z-index: 2;
    font-size: 0.875rem;
}

.servicio-detalle-visual .visual-tag strong {
    color: var(--color-verde);
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
}

/* ==========================================================================
   PÁGINA CONTACTO
   ========================================================================== */
.contacto {
    padding: 80px 0;
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: start;
}

/* ----- Formulario ----- */
.form-card {
    background: var(--color-blanco);
    padding: 40px;
    border-radius: var(--radio-md);
    box-shadow: var(--sombra-md);
    border: 1px solid var(--color-gris-300);
}

.form-card h2 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.form-card-subtitle {
    color: var(--color-gris-500);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field.full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gris-800);
    margin-bottom: 8px;
}

.form-label .required {
    color: var(--color-error);
    margin-left: 2px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--color-gris-300);
    border-radius: var(--radio-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-gris-900);
    background: var(--color-blanco);
    transition: border-color var(--transicion), box-shadow var(--transicion);
    min-height: 48px;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-verde);
    box-shadow: 0 0 0 3px rgba(192, 243, 27, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
    font-family: inherit;
}

.form-field.has-error .form-input,
.form-field.has-error .form-textarea {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-error {
    display: none;
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 6px;
}

.form-field.has-error .form-error {
    display: block;
}

.form-help {
    color: var(--color-gris-500);
    font-size: 0.8rem;
    margin-top: 6px;
}

.form-submit {
    margin-top: 24px;
    width: 100%;
    grid-column: 1 / -1;
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    display: none;
    margin-top: 20px;
    padding: 14px 18px;
    border-radius: var(--radio-sm);
    font-size: 0.95rem;
    grid-column: 1 / -1;
}

.form-message.is-visible {
    display: block;
}

.form-message.success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--color-exito);
    border-left: 4px solid var(--color-exito);
}

.form-message.error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

/* ----- Información de contacto ----- */
.contact-info-card {
    background: var(--color-gris-900);
    color: var(--color-blanco);
    padding: 40px;
    border-radius: var(--radio-md);
    margin-bottom: 24px;
}

.contact-info-card h3 {
    color: var(--color-blanco);
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radio-sm);
    background: rgba(192, 243, 27, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-verde);
    flex-shrink: 0;
}

.contact-info-text .label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gris-300);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.contact-info-text .value {
    display: block;
    font-size: 1rem;
    color: var(--color-blanco);
    font-weight: 500;
    line-height: 1.5;
}

.contact-info-text .value a {
    color: var(--color-blanco);
    transition: color var(--transicion);
}

.contact-info-text .value a:hover {
    color: var(--color-verde);
}

/* ----- Tarjeta del Gerente ----- */
.manager-card {
    background: var(--color-blanco);
    padding: 32px;
    border-radius: var(--radio-md);
    border: 1px solid var(--color-gris-300);
    box-shadow: var(--sombra-sm);
    text-align: center;
}

.manager-photo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 4px solid var(--color-verde);
    background: var(--color-gris-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.manager-card h4 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.manager-card .role {
    color: var(--color-gris-500);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.manager-card .badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.manager-card .badge {
    padding: 6px 12px;
    background: var(--color-gris-100);
    color: var(--color-gris-700);
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 100px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--color-negro);
    color: var(--color-gris-300);
    padding: 64px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand-logo {
    display: inline-flex;
    align-items: center;
    height: 72px;
    margin-bottom: 20px;
    background: var(--color-blanco);
    padding: 8px 16px;
    border-radius: var(--radio-sm);
}

.footer-brand-logo img {
    height: 100%;
    width: auto;
    display: block;
}

.footer-brand p {
    color: var(--color-gris-300);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 360px;
}

.footer-col h5 {
    color: var(--color-blanco);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: var(--color-gris-300);
    font-size: 0.925rem;
    transition: color var(--transicion);
}

.footer-col ul a:hover {
    color: var(--color-verde);
}

.footer-col .footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-gris-300);
    font-size: 0.925rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.footer-col .footer-contact-item svg {
    flex-shrink: 0;
    color: var(--color-verde);
    margin-top: 3px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-gris-800);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gris-500);
    line-height: 1.7;
}

.footer-credit {
    font-size: 0.78rem;
    color: var(--color-gris-700);
    opacity: 0.75;
}

.footer-credit a {
    color: var(--color-gris-500);
    transition: color var(--transicion);
}

.footer-credit a:hover {
    color: var(--color-verde);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-gris-800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gris-300);
    transition: all var(--transicion);
}

.footer-social a:hover {
    background: var(--color-verde);
    color: var(--color-negro);
    transform: translateY(-3px);
}

/* ==========================================================================
   ANIMACIONES — Scroll reveal
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-stagger.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease both;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        max-width: 380px;
        justify-self: center;
    }

    .servicios-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .proyectos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .servicio-detalle-grid,
    .contacto-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .header {
        height: 76px;
    }

    .nav-logo img {
        max-height: 76px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: min(85%, 360px);
        height: 100vh;
        background: var(--color-blanco);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding: calc(var(--header-height) + 24px) 28px 28px;
        gap: 4px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--sombra-lg);
    }

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

    .nav-link {
        padding: 16px 18px;
        font-size: 1.05rem;
        border-radius: var(--radio-sm);
    }

    .nav-link.is-active {
        background: var(--color-verde-suave);
    }

    .nav-link.is-active::after {
        display: none;
    }

    .nav-cta {
        margin: 16px 18px 0;
    }

    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + 40px) 0 60px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat .num {
        font-size: 1.5rem;
    }

    .hero-visual {
        max-width: 320px;
    }

    .servicios-grid,
    .proyectos-grid {
        grid-template-columns: 1fr;
    }

    .proyecto-card {
        aspect-ratio: 4 / 3;
    }

    .clientes-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .certificaciones-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

    .form-card {
        padding: 28px 24px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
        text-align: center;
    }

    .hero-badge {
        bottom: -16px;
        left: 50%;
        transform: translateX(-50%);
        padding: 14px 18px;
    }

    .clientes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .servicio-detalle-info > p {
        font-size: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}