/* ============================================================================
   VARIABLES CSS (:root) — guardo los colores y fuentes en un solo lugar
   para reutilizarlos en todo el sitio con var(--nombre)
============================================================================ */
:root {
    --color-primario:    #b76e79;
    --color-secundario:  #7a4d55;
    --color-claro:       #eac5ca;
    --color-fondo:       #fbf9f9;
    --color-blanco:      #ffffff;
    --color-texto:       #2d2426;
    --color-texto-suave: #6b5459;
    --gradiente-oro:     linear-gradient(135deg, #8e5561 0%, #c08490 30%, #fdf2f4 60%, #b76e79 100%);
    --sombra-base:       0 20px 40px rgba(183,110,121,0.15);
    --sombra-hover:      0 28px 55px rgba(183,110,121,0.28);
    --radio:             18px;
    --font-titulo:       'Playfair Display', serif;
    --font-cuerpo:       'Montserrat', sans-serif;
    --transicion:        all 0.35s ease;
    --padding-seccion:   100px 8%;
}

/* ============================================================================
   RESET Y BASE
============================================================================ */
*, *::before, *::after {
    margin: 0;                 /* margin → espacio externo. Lo pongo en 0 para resetear (visto en clase) */
    padding: 0;                /* padding → espacio interno. En 0 para resetear (visto en clase) */
    box-sizing: border-box;    /* box-sizing → padding y border se incluyen en el tamaño total (visto en clase) */
}
html {
    scroll-behavior: smooth;
    font-size: 17px;           /* font-size → tamaño base de la letra (visto en clase) */
}
body {
    font-family: var(--font-cuerpo);  /* font-family → fuente del texto (visto en clase) */
    background-color: var(--color-fondo); /* background-color → color de fondo (visto en clase) */
    color: var(--color-texto);        /* color → color del texto (visto en clase) */
    line-height: 1.8;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    height: auto;              /* height → altura del elemento (visto en clase) */
    display: block;            /* display → define cómo se comporta el elemento (visto en clase) */
}
a {
    text-decoration: none;     /* text-decoration → quita el subrayado de los enlaces (visto en clase) */
    color: inherit;
}
ul {
    list-style: none;          /* list-style → elimina las viñetas de la lista (visto en clase) */
}

/* ============================================================================
   DECORACIONES DE FONDO
============================================================================ */
.bg-deco-1,
.bg-deco-2 {
    position: fixed;           /* position → controla la posición del elemento (visto en clase) */
    border-radius: 50%;        /* border-radius → redondea las esquinas (visto en clase) */
    z-index: -1;
    pointer-events: none;
}
.bg-deco-1 {
    top: -180px; right: -180px;
    width: 560px;              /* width → ancho del elemento (visto en clase) */
    height: 560px;             /* height → altura del elemento (visto en clase) */
    background: radial-gradient(circle, rgba(234,197,202,0.35) 0%, transparent 70%);
}
.bg-deco-2 {
    bottom: -280px; left: -180px;
    width: 750px; height: 750px;
    background: radial-gradient(circle, rgba(192,132,144,0.18) 0%, transparent 70%);
}

/* ============================================================================
   MENÚ HAMBURGUESA — solo CSS
============================================================================ */
#menu-toggle { display: none; }

.hamburger-btn {
    display: none;
    flex-direction: column;    /* flex-direction → ordena en fila o columna (visto en clase) */
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    z-index: 1100;
    position: fixed;
    top: 45px;
    right: 8%;
}
.hamburger-btn span {
    display: block;
    height: 2.5px;
    width: 100%;
    background-color: var(--color-secundario);
    border-radius: 3px;
    transition: all 0.38s cubic-bezier(0.4, 0, 0.2, 1); /* transition → animación suave al cambiar estilos (visto en clase) */
    transform-origin: center;
}
#menu-toggle:checked + .hamburger-btn span:nth-child(1) { transform: translateY(8.75px) rotate(45deg); }
#menu-toggle:checked + .hamburger-btn span:nth-child(2) { opacity: 0; transform: scaleX(0); }
#menu-toggle:checked + .hamburger-btn span:nth-child(3) { transform: translateY(-8.75px) rotate(-45deg); }
#menu-toggle:checked + .hamburger-btn span { background-color: var(--color-blanco); }

.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(45, 36, 38, 0.52);
    z-index: 1050;
    cursor: pointer;
}
#menu-toggle:checked ~ .nav-backdrop { display: block; }

.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(78vw, 310px);
    height: 100%;
    background: var(--color-blanco);
    z-index: 1090;
    display: flex;                   /* display: flex → activa Flexbox (visto en clase) */
    flex-direction: column;
    justify-content: center;         /* justify-content → alinea horizontalmente (visto en clase) */
    align-items: flex-start;         /* align-items → alinea verticalmente (visto en clase) */
    gap: 6px;                        /* gap → separación entre elementos flex (visto en clase) */
    padding: 64px 40px 40px;
    box-shadow: -10px 0 40px rgba(122,77,85,0.18);
    transition: right 0.42s cubic-bezier(0.4, 0, 0.2, 1);
}
#menu-toggle:checked ~ .nav-mobile { right: 0; }

.nav-mobile .close-btn {
    position: absolute;
    top: 22px;
    right: 22px;
    font-size: 1.4rem;
    color: var(--color-secundario);
    cursor: pointer;
    line-height: 1;
    transition: var(--transicion);
    background: none;
    border: none;                    /* border → borde alrededor del elemento; aquí lo quito (visto en clase) */
}
.nav-mobile .close-btn:hover { color: var(--color-primario); }
.nav-mobile a {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--color-texto);
    padding: 11px 0;
    border-bottom: 1px solid rgba(234,197,202,0.45);
    width: 100%;
    transition: var(--transicion);
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile a:hover { color: var(--color-primario); padding-left: 8px; }

/* ============================================================================
   HEADER Y NAVEGACIÓN — uso Flexbox para alinear logo y menú
============================================================================ */
header {
    display: flex;                   /* display: flex → Flexbox (visto en clase) */
    justify-content: space-between;  /* justify-content → separa logo (izq) y menú (der) (visto en clase) */
    align-items: center;             /* align-items → centra verticalmente (visto en clase) */
    padding: 0 8%;                   /* padding → espacio interno (visto en clase) */
    height: 135px;                   /* header más alto */
    position: sticky;                /* position → se queda fijo arriba al hacer scroll (visto en clase) */
    top: 0;
    z-index: 900;
    background-color: rgba(255,255,255,0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(234,197,202,0.45);
    box-shadow: 0 4px 24px rgba(122,77,85,0.07);
}
.logo-link { display: flex; align-items: center; z-index: 901; }
.logo-img {
    height: 95px !important;         /* logo MUCHO más grande (forzado) */
    width: auto;
    max-width: none;                 /* anula el max-width global del img */
    object-fit: contain;             /* object-fit → ajusta la imagen sin deformarla (visto en clase) */
    transition: transform 0.3s ease;
}
.logo-link:hover .logo-img { transform: scale(1.05); }

nav.nav-desktop { display: flex; align-items: center; }
nav.nav-desktop a {
    margin-left: 30px;               /* margin → espacio externo entre enlaces (visto en clase) */
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-texto);
    transition: var(--transicion);
    position: relative;
    padding-bottom: 3px;
}
nav.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primario);
    transition: width 0.3s ease;
}
nav.nav-desktop a:hover { color: var(--color-primario); }
nav.nav-desktop a:hover::after { width: 100%; }

/* ============================================================================
   HERO
============================================================================ */
#inicio {
    display: flex;
    flex-direction: column;          /* flex-direction: column → apila en vertical (visto en clase) */
    align-items: center;
    justify-content: center;
    text-align: center;              /* text-align → alinea el texto al centro (visto en clase) */
    padding: 90px 8% 80px;
    min-height: calc(100vh - 135px);
}
.hero-eyebrow {
    font-size: 0.74rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--color-primario);
    font-weight: 600;
    margin-bottom: 16px;
}
.hero-nombre {
    font-family: var(--font-titulo); /* font-family → fuente decorativa para el título (visto en clase) */
    font-size: clamp(3.2rem, 9vw, 7.5rem);
    line-height: 1.02;
    font-weight: 900;
    background: var(--gradiente-oro);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
}
.hero-subtitulo {
    font-size: clamp(0.82rem, 2vw, 1rem);
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--color-secundario);
    margin-bottom: 46px;
}
.hero-galeria {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap: 14px;                       /* gap → separación entre las fotos (visto en clase) */
    max-width: 620px;
    width: 100%;
    margin: 0 auto 50px;             /* margin → centra la galería (auto) (visto en clase) */
    position: relative;
}
.hero-galeria::before {
    content: '';
    position: absolute;
    inset: -14px;
    border: 2px solid var(--color-claro);
    border-radius: 28px;
    z-index: -1;
}
.hero-galeria figure {
    border-radius: 14px;             /* border-radius → esquinas redondeadas (visto en clase) */
    overflow: hidden;
    aspect-ratio: 1 / 1;
    box-shadow: var(--sombra-base);
    border: 5px solid var(--color-blanco); /* border → marco blanco alrededor de la foto (visto en clase) */
    position: relative;
}
.hero-galeria figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;               /* object-fit: cover → recorta la foto para llenar sin deformar (visto en clase) */
    transition: transform 0.6s ease;
}
.hero-galeria figure:hover img { transform: scale(1.07); }
.hero-galeria figure:nth-child(2) { transform: scale(1.08); z-index: 2; box-shadow: var(--sombra-hover); }

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradiente-oro);
    color: var(--color-blanco);
    padding: 17px 46px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: var(--transicion);   /* transition → animación suave en el hover (visto en clase) */
    box-shadow: 0 10px 30px rgba(183,110,121,0.4);
    position: relative;
    overflow: hidden;
}
.btn-cta::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.55s ease;
}
.btn-cta:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(183,110,121,0.5); }
.btn-cta:hover::before { left: 100%; }
.btn-cta:active { transform: translateY(-1px); }

/* ============================================================================
   UTILIDADES COMUNES
============================================================================ */
.seccion { padding: var(--padding-seccion); }
.seccion-alt { background-color: var(--color-blanco); }
.seccion-titulo {
    font-family: var(--font-titulo);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-secundario);
    text-align: center;              /* text-align → títulos centrados (visto en clase) */
    margin-bottom: 14px;
}
.seccion-titulo::after {
    content: '';
    display: block;
    margin: 16px auto 0;
    width: 70px;
    height: 4px;
    background: var(--gradiente-oro);
    border-radius: 2px;
}
.seccion-desc {
    text-align: center;
    color: var(--color-texto-suave);
    font-size: 0.92rem;
    max-width: 520px;
    margin: 0 auto 54px;
}

/* ============================================================================
   SERVICIOS — aquí uso IMÁGENES DE FONDO (background-image)
============================================================================ */
#servicios { background-color: var(--color-blanco); }
.grid-servicios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 30px;                       /* gap → separación entre tarjetas (visto en clase) */
}
.tarjeta {
    position: relative;
    border-radius: var(--radio);
    overflow: hidden;
    box-shadow: var(--sombra-base);
    min-height: 380px;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    background-size: cover;          /* background-size: cover → la imagen cubre toda la tarjeta (visto en clase) */
    background-position: center;     /* background-position: center → centra la imagen de fondo (visto en clase) */
}
.tarjeta:hover { transform: translateY(-12px); box-shadow: var(--sombra-hover); }
.tarjeta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(45,36,38,0.15) 0%, rgba(45,36,38,0.75) 60%, rgba(45,36,38,0.92) 100%);
    z-index: 1;
    transition: background 0.4s ease;
}
.tarjeta:hover .tarjeta-overlay {
    background: linear-gradient(180deg, rgba(45,36,38,0.25) 0%, rgba(45,36,38,0.82) 60%, rgba(45,36,38,0.95) 100%);
}
/* background-image → imagen de fondo distinta para cada servicio (visto en clase) */
.servicio-estrategia  { background-image: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=600&h=400&fit=crop'); }
.servicio-diseno      { background-image: url('https://images.unsplash.com/photo-1626785774573-4b799315345d?w=600&h=400&fit=crop'); }
.servicio-audiovisual { background-image: url('https://images.unsplash.com/photo-1574717024653-61fd2cf4d44d?w=600&h=400&fit=crop'); }
.servicio-ecommerce   { background-image: url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?w=600&h=400&fit=crop'); }

.tarjeta-contenido {
    position: relative;
    z-index: 2;
    padding: 44px 28px 34px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    height: 100%;
}
.tarjeta-contenido i { font-size: 2.6rem; color: var(--color-claro); text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.tarjeta-contenido h3 { font-family: var(--font-titulo); font-size: 1.4rem; color: var(--color-blanco); text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.tarjeta-contenido p { font-size: 0.87rem; color: rgba(255,255,255,0.88); line-height: 1.75; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.tarjeta .precio {
    margin-top: auto;
    padding-top: 12px;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--color-claro);
    letter-spacing: 1px;
    text-transform: uppercase;
    border-top: 1px dashed rgba(234,197,202,0.5);
    width: 100%;
    text-align: center;
}

/* ============================================================================
   SOBRE MÍ
============================================================================ */
#sobre-mi { background-color: var(--color-fondo); }
.sobre-mi-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 44px;
    max-width: 960px;
    margin: 0 auto;
    align-items: center;
}
.sobre-mi-foto {
    border-radius: 26px;
    overflow: hidden;
    box-shadow: var(--sombra-base);
    border: 5px solid var(--color-blanco);
    aspect-ratio: 3 / 4;
}
.sobre-mi-foto img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.sobre-mi-foto:hover img { transform: scale(1.05); }
.sobre-mi-caja {
    background: var(--color-blanco);
    padding: 58px 68px;
    border-radius: 26px;
    box-shadow: var(--sombra-base);
    border-left: 8px solid var(--color-primario);
}
.sobre-mi-caja p { font-size: 1.04rem; line-height: 1.9; color: var(--color-texto-suave); }
.sobre-mi-caja strong { color: var(--color-secundario); }

/* ============================================================================
   ESTADÍSTICAS — uso Flexbox con flex-wrap
============================================================================ */
#estadisticas { background: var(--gradiente-oro); padding: 78px 8%; }
.stats-flex {
    display: flex;                   /* display: flex (visto en clase) */
    justify-content: space-around;   /* justify-content (visto en clase) */
    align-items: center;             /* align-items (visto en clase) */
    flex-wrap: wrap;                 /* flex-wrap → permite que bajen a otra línea en móvil (visto en clase) */
    gap: 36px;                       /* gap (visto en clase) */
}
.stat-item { text-align: center; color: var(--color-blanco); flex: 1; min-width: 130px; }
.stat-numero { font-family: var(--font-titulo); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 900; display: block; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 0.73rem; text-transform: uppercase; letter-spacing: 3px; font-weight: 600; opacity: 0.92; }
.stat-divisor { width: 1px; height: 72px; background: rgba(255,255,255,0.3); flex-shrink: 0; }

/* ============================================================================
   PORTAFOLIO — más imágenes de fondo
============================================================================ */
#portafolio { background-color: var(--color-blanco); }
.grid-portafolio { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; }
.caso {
    background: var(--color-fondo);
    border-radius: var(--radio);
    overflow: hidden;
    box-shadow: var(--sombra-base);
    border: 1px solid rgba(234,197,202,0.25);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.caso:hover { transform: translateY(-10px); box-shadow: var(--sombra-hover); }
.caso-imagen {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-size: cover;          /* background-size: cover (visto en clase) */
    background-position: center;     /* background-position: center (visto en clase) */
}
.caso-imagen::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(45,36,38,0.4) 100%); }
.caso-redes .caso-imagen     { background-image: url('https://images.unsplash.com/photo-1611162617474-5b21e879e113?w=600&h=375&fit=crop'); }
.caso-ecommerce .caso-imagen { background-image: url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?w=600&h=375&fit=crop'); }
.caso-contenido .caso-imagen { background-image: url('https://images.unsplash.com/photo-1611162616305-c69b3fa7fbe0?w=600&h=375&fit=crop'); }
.caso-badge {
    position: absolute;
    top: 14px; left: 14px;
    background: var(--gradiente-oro);
    color: var(--color-blanco);
    font-size: 0.67rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}
.caso-cuerpo { padding: 24px; display: flex; flex-direction: column; gap: 7px; }
.caso-cliente { font-size: 0.72rem; font-weight: 700; color: var(--color-primario); text-transform: uppercase; letter-spacing: 2px; }
.caso-cuerpo h3 { font-family: var(--font-titulo); font-size: 1.28rem; color: var(--color-secundario); }
.caso-resultado { font-size: 0.84rem; color: var(--color-texto-suave); display: flex; align-items: center; gap: 6px; }
.caso-resultado::before { content: '↑'; color: #4caf7d; font-weight: 700; font-size: 1rem; }

/* ============================================================================
   EQUIPO
============================================================================ */
#equipo { background-color: var(--color-fondo); }
.grid-equipo { display: flex; justify-content: center; flex-wrap: wrap; gap: 34px; }
.miembro {
    background: var(--color-blanco);
    border-radius: var(--radio);
    overflow: hidden;
    box-shadow: var(--sombra-base);
    width: 260px;
    text-align: center;
    transition: transform 0.4s ease;
    border: 1px solid rgba(234,197,202,0.3);
}
.miembro:hover { transform: translateY(-10px); }
.miembro-foto { aspect-ratio: 1 / 1; overflow: hidden; }
.miembro-foto img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.miembro:hover .miembro-foto img { transform: scale(1.07); }
.miembro-info { padding: 22px 18px; }
.miembro-info h3 { font-family: var(--font-titulo); font-size: 1.28rem; color: var(--color-secundario); margin-bottom: 4px; }
.miembro-cargo { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; color: var(--color-primario); font-weight: 600; margin-bottom: 15px; display: block; }
.miembro-social { display: flex; justify-content: center; gap: 10px; }
.miembro-social a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 2px solid var(--color-claro);
    color: var(--color-primario);
    font-size: 0.88rem;
    transition: var(--transicion);
}
.miembro-social a:hover { background: var(--gradiente-oro); color: var(--color-blanco); border-color: transparent; transform: translateY(-3px) rotate(8deg); }

/* ============================================================================
   TESTIMONIOS
============================================================================ */
#testimonios { background-color: var(--color-blanco); }
.grid-testimonios { display: flex; flex-wrap: wrap; gap: 26px; justify-content: center; }
.testimonio {
    background: var(--color-fondo);
    border-radius: var(--radio);
    padding: 40px 34px 30px;
    max-width: 368px;
    flex: 1;
    min-width: 264px;
    box-shadow: var(--sombra-base);
    border-left: 5px solid var(--color-primario);
    position: relative;
    transition: transform 0.35s ease;
}
.testimonio:hover { transform: translateY(-7px); }
.testimonio::before { content: '\201C'; font-family: var(--font-titulo); font-size: 7rem; color: var(--color-claro); position: absolute; top: -12px; left: 16px; line-height: 1; pointer-events: none; }
.testimonio blockquote { font-size: 0.88rem; font-style: italic; color: var(--color-texto-suave); line-height: 1.85; margin-bottom: 24px; padding-top: 26px; }
.testimonio-autor { display: flex; align-items: center; gap: 13px; }
.testimonio-foto-placeholder {
    width: 50px; height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 3px solid var(--color-claro);
    color: var(--color-blanco);
    font-weight: 700;
    font-size: 0.85rem;
}
.testimonio-autor h4 { font-size: 0.92rem; font-weight: 700; color: var(--color-secundario); }
.testimonio-autor span { font-size: 0.73rem; color: var(--color-primario); }

/* ============================================================================
   FORMULARIO
============================================================================ */
#contacto { background-color: var(--color-fondo); }
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 54px;
    background: var(--color-blanco);
    padding: 64px;
    border-radius: 28px;
    box-shadow: var(--sombra-base);
    max-width: 1060px;
    margin: 0 auto;
}
.contacto-info-titulo { font-family: var(--font-titulo); font-size: 1.9rem; color: var(--color-secundario); margin-bottom: 14px; }
.contacto-info > p { font-size: 0.88rem; color: var(--color-texto-suave); margin-bottom: 28px; line-height: 1.75; }
.info-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 17px; }
.info-item i { color: var(--color-primario); font-size: 1.05rem; width: 22px; flex-shrink: 0; padding-top: 3px; }
.info-item span { font-size: 0.88rem; }
address { font-style: normal; } /* <address> trae cursiva por defecto; la quito */
.redes-contacto { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }
.redes-contacto a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--color-fondo);
    border: 2px solid var(--color-claro);
    color: var(--color-primario);
    font-size: 1.05rem;
    transition: var(--transicion);
}
.redes-contacto a:hover { background: var(--gradiente-oro); color: var(--color-blanco); border-color: transparent; transform: translateY(-4px) rotate(8deg); }
fieldset { border: none; padding: 0; }
legend { font-family: var(--font-titulo); font-size: 1.5rem; color: var(--color-secundario); margin-bottom: 24px; display: block; }
.campo { margin-bottom: 18px; }
.campo label { display: block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--color-secundario); margin-bottom: 7px; }
.campo input,
.campo select,
.campo textarea {
    width: 100%;
    padding: 13px 17px;
    border: 2px solid var(--color-claro);
    border-radius: 11px;
    font-family: var(--font-cuerpo);
    font-size: 0.88rem;
    background: var(--color-blanco);
    color: var(--color-texto);
    transition: var(--transicion);
    -webkit-appearance: none;
    appearance: none;
}
.campo input:focus,
.campo select:focus,
.campo textarea:focus { outline: none; border-color: var(--color-primario); box-shadow: 0 0 0 4px rgba(192,132,144,0.13); }
.campo textarea { resize: vertical; min-height: 108px; }
.radio-group { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 4px; }
.radio-group label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
    padding: 8px 14px;
    border: 2px solid var(--color-claro);
    border-radius: 30px;
    transition: var(--transicion);
    color: var(--color-texto);
}
.radio-group label:hover { border-color: var(--color-primario); color: var(--color-primario); }
.radio-group input[type="radio"] { width: auto; padding: 0; accent-color: var(--color-primario); }
.btn-enviar {
    width: 100%;
    padding: 17px;
    background: var(--gradiente-oro);
    color: var(--color-blanco);
    border: none;
    border-radius: 50px;
    font-family: var(--font-cuerpo);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    cursor: pointer;
    transition: var(--transicion);
    box-shadow: 0 8px 26px rgba(183,110,121,0.4);
    position: relative;
    overflow: hidden;
}
.btn-enviar::after { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent); transition: left 0.55s ease; }
.btn-enviar:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(183,110,121,0.5); }
.btn-enviar:hover::after { left: 100%; }
.btn-enviar:active { transform: translateY(-1px); }

/* ============================================================================
   FOOTER
============================================================================ */
footer { background: var(--color-secundario); color: rgba(255,255,255,0.85); padding: 68px 8% 30px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 38px; margin-bottom: 46px; }
.footer-marca .logo-footer-img { height: 38px; width: auto; object-fit: contain; margin-bottom: 12px; filter: brightness(0) invert(1); }
.footer-marca p { font-size: 0.86rem; line-height: 1.75; max-width: 226px; opacity: 0.82; }
.footer-col h4 { font-family: var(--font-titulo); font-size: 1.08rem; color: var(--color-blanco); margin-bottom: 17px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.86rem; opacity: 0.78; transition: var(--transicion); }
.footer-col ul li a:hover { opacity: 1; color: var(--color-claro); }
.contacto-pie p { font-size: 0.86rem; opacity: 0.78; margin-bottom: 9px; display: flex; align-items: center; gap: 9px; }
.footer-redes { display: flex; gap: 10px; margin-top: 18px; }
.footer-redes a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.28);
    color: rgba(255,255,255,0.78);
    font-size: 0.92rem;
    transition: var(--transicion);
}
.footer-redes a:hover { background: rgba(255,255,255,0.15); color: var(--color-blanco); transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.8rem; opacity: 0.68; }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a { font-size: 0.8rem; opacity: 0.68; transition: var(--transicion); }
.footer-legal a:hover { opacity: 1; color: var(--color-claro); }

/* ============================================================================
   RESPONSIVE — @media (esto es lo que pidió el profe para el responsive)
   @media cambia los estilos según el ancho de la pantalla:
   tablet/móvil (768px), móvil pequeño (480px) y escritorio grande (1280px)
============================================================================ */

/* ----- TABLET Y MÓVIL: pantallas de 768px o menos ----- */
@media (max-width: 768px) {
    :root { --padding-seccion: 70px 5%; }
    nav.nav-desktop  { display: none; }   /* oculto el menú de escritorio */
    .hamburger-btn   { display: flex; }   /* muestro la hamburguesa */
    header { padding: 0 5%; height: 110px; }
    .logo-img { height: 78px !important; }  /* logo grande en tablet */
    #inicio { padding: 70px 5% 62px; min-height: auto; }
    .hero-galeria { grid-template-columns: repeat(3, 1fr); max-width: 100%; gap: 8px; }
    .sobre-mi-grid { grid-template-columns: 1fr; }   /* la rejilla pasa a 1 columna */
    .sobre-mi-foto { max-width: 280px; margin: 0 auto; }
    .sobre-mi-caja { padding: 38px 26px; }
    .stats-flex    { flex-direction: column; align-items: center; gap: 26px; } /* flex-direction cambia a columna */
    .stat-divisor  { width: 80px; height: 1px; }
    .grid-servicios { grid-template-columns: 1fr 1fr; gap: 18px; }
    .grid-portafolio { grid-template-columns: 1fr; }
    .miembro { width: 100%; max-width: 318px; }
    .testimonio { min-width: 100%; }
    .contacto-grid { grid-template-columns: 1fr; padding: 38px 26px; gap: 34px; }
    .footer-grid   { flex-direction: column; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-legal  { justify-content: center; }
}

/* ----- MÓVIL PEQUEÑO: pantallas de 480px o menos ----- */
@media (max-width: 480px) {
    :root { --padding-seccion: 58px 4%; }
    header { height: 92px; }
    .logo-img { height: 62px !important; }  /* logo grande en móvil */
    .hero-galeria { grid-template-columns: 1fr; max-width: 210px; }
    .hero-galeria figure:nth-child(1),
    .hero-galeria figure:nth-child(3) { display: none; } /* dejo solo 1 foto en móvil */
    .hero-galeria figure:nth-child(2) { transform: none; }
    .grid-servicios { grid-template-columns: 1fr; }
    .radio-group { flex-direction: column; }
    .radio-group label { justify-content: flex-start; }
    .contacto-grid { padding: 26px 16px; }
    .hamburger-btn { top: 36px; right: 4%; }
}

/* ----- ESCRITORIO GRANDE: pantallas de 1280px o más ----- */
@media (min-width: 1280px) {
    .grid-servicios  { grid-template-columns: repeat(4, 1fr); } /* 4 servicios en una fila */
    .grid-portafolio { grid-template-columns: repeat(3, 1fr); } /* 3 casos en una fila */
}